TEMP

Escapes HTML as described in:
https://html.spec.whatwg.org/multipage/parsing.html#escapingString

. codecov.yml

@@ -0,0 +1,5 @@
+codecov:
+  branch: develop
+
+ignore:
+  - "Tests/"

.jazzy.yaml

@@ -1,5 +1,5 @@
 module: HTMLKit
-module_version: 2.0.3
+module_version: 2.1.4
 author: Iskandar Abudiab 
 author_url: https://twitter.com/iabudiab
 github_url: https://github.com/iabudiab/HTMLKit

.travis.yml

@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8.2
+osx_image: xcode9
 
 branches:
   except:
@@ -17,29 +17,29 @@ env:
     - MACOS_FRAMEWORK_SCHEME=HTMLKit-macOS
     - WATCHOS_FRAMEWORK_SCHEME="HTMLKit-watchOS"
     - TVOS_FRAMEWORK_SCHEME="HTMLKit-tvOS"
-    - IOS_SDK=iphonesimulator10.2
-    - MACOS_SDK=macosx10.12
-    - WATCHOS_SDK=watchsimulator3.1
-    - TVOS_SDK=appletvsimulator10.1
+    - IOS_SDK=iphonesimulator11.0
+    - MACOS_SDK=macosx10.13
+    - WATCHOS_SDK=watchsimulator4.0
+    - TVOS_SDK=appletvsimulator11.0
   matrix:
-    - DESTINATION="arch=x86_64"                              SIMULATOR=""                                   SCHEME="$MACOS_FRAMEWORK_SCHEME"    SDK="$MACOS_SDK"
-    - DESTINATION="OS=9.0,name=iPhone 6"                     SIMULATOR="iPhone 6 (9.0)"                     SCHEME="$IOS_FRAMEWORK_SCHEME"      SDK="$IOS_SDK"
-    - DESTINATION="OS=9.1,name=iPhone 6 Plus"                SIMULATOR="iPhone 6 Plus (9.1)"                SCHEME="$IOS_FRAMEWORK_SCHEME"      SDK="$IOS_SDK"
-    - DESTINATION="OS=9.2,name=iPhone 6S"                    SIMULATOR="iPhone 6S (9.2)"                    SCHEME="$IOS_FRAMEWORK_SCHEME"      SDK="$IOS_SDK"
-    - DESTINATION="OS=9.3,name=iPhone 6S Plus"               SIMULATOR="iPhone 6S Plus (9.3)"               SCHEME="$IOS_FRAMEWORK_SCHEME"      SDK="$IOS_SDK"
-    - DESTINATION="OS=10.1,name=iPhone 7 Plus"               SIMULATOR="iPhone 7 Plus (10.1)"               SCHEME="$IOS_FRAMEWORK_SCHEME"      SDK="$IOS_SDK"
-    - DESTINATION="OS=2.2,name=Apple Watch - 42mm"           SIMULATOR="Apple Watch - 42mm (2.2)"           SCHEME="$WATCHOS_FRAMEWORK_SCHEME"  SDK="$WATCHOS_SDK"
-    - DESTINATION="OS=3.1,name=Apple Watch Series 2 - 42mm"  SIMULATOR="Apple Watch Series 2 - 42mm (3.1)"  SCHEME="$WATCHOS_FRAMEWORK_SCHEME"  SDK="$WATCHOS_SDK"
-    - DESTINATION="OS=9.0,name=Apple TV 1080p"               SIMULATOR="Apple TV 1080p (9.2)"               SCHEME="$TVOS_FRAMEWORK_SCHEME"     SDK="$TVOS_SDK"
-    - DESTINATION="OS=10.0,name=Apple TV 1080p"              SIMULATOR="Apple TV 1080p (10.0)"              SCHEME="$TVOS_FRAMEWORK_SCHEME"     SDK="$TVOS_SDK"
+    - DESTINATION="arch=x86_64"                                SCHEME="$MACOS_FRAMEWORK_SCHEME"      SDK="$MACOS_SDK"
+    - DESTINATION="OS=9.3,name=iPhone 6s Plus"                 SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
+    - DESTINATION="OS=10.3.1,name=iPhone 7 Plus"               SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
+    - DESTINATION="OS=11.0,name=iPhone X"                      SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
+    - DESTINATION="OS=3.2,name=Apple Watch Series 2 - 42mm"    SCHEME="$WATCHOS_FRAMEWORK_SCHEME"    SDK="$WATCHOS_SDK"
+    - DESTINATION="OS=4.0,name=Apple Watch Series 3 - 42mm"    SCHEME="$WATCHOS_FRAMEWORK_SCHEME"    SDK="$WATCHOS_SDK"
+    - DESTINATION="OS=10.2,name=Apple TV 1080p"                SCHEME="$TVOS_FRAMEWORK_SCHEME"       SDK="$TVOS_SDK"
+    - DESTINATION="OS=11.0,name=Apple TV 4K"                   SCHEME="$TVOS_FRAMEWORK_SCHEME"       SDK="$TVOS_SDK"
 
 script:
   - set -o pipefail
   - xcodebuild -version
   - xcodebuild -showsdks
-  - SIMULATOR_ID=$(xcrun instruments -s devices | grep -io "$SIMULATOR \[.*\]" | grep -o "\[.*\]" | sed "s/^\[\(.*\)\]$/\1/")
-  - open -b com.apple.iphonesimulator --args -CurrentDeviceUDID $SIMULATOR_ID
   - travis_retry xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO clean build | xcpretty -c
   - if [ "$SDK" != "$WATCHOS_SDK" ]; then
-      travis_retry xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO test | xcpretty -c;
+      travis_retry xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES test | xcpretty -c;
     fi
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
+

CHANGELOG.md

@@ -1,10 +1,114 @@
 # Change Log
 
+## [2.1.4](https://github.com/iabudiab/HTMLKit/releases/tag/2.1.4) 
+
+Released on 2018.05.01
+
+### Fixes
+
+- `gt(n)`, `lt(n)` and `eq(n)` selectors would select wrong elements for the zero-index (issue #25)
+
+
+## [2.1.3](https://github.com/iabudiab/HTMLKit/releases/tag/2.1.3) 
+
+Released on 2018.03.21
+
+### Fixes
+
+- `HTMLElement` clone would return an immutable dictionary for attributes (issue #20)
+	- Fixed by @CRivlaldo in PR #24
+- `HTMLNodeFilterBlock` would behave differently on simulator and device (issue #22)
+	- Fixed by @CRivlaldo in PR #23
+
+
+## [2.1.2](https://github.com/iabudiab/HTMLKit/releases/tag/2.1.2) 
+
+Released on 2017.11.6
+
+### Fixes
+
+- `HTMLText` serialization (issue #16)
+- `HTMLElement` attribute value serialization (issue #17)
+
+
+## [2.1.1](https://github.com/iabudiab/HTMLKit/releases/tag/2.1.1) 
+
+Released on 2017.10.13
+
+### Hotfix
+
+- Fixed documentation comments
+	- Should fix CocoaDocs generation and percentage
+
+
+## [2.1.0](https://github.com/iabudiab/HTMLKit/releases/tag/2.1.0) 
+
+Released on 2017.10.12
+
+### Added
+
+- Standarized tokenizer error codes:
+	- [whatwg/html#2701](https://github.com/whatwg/html/pull/2701)
+	- [html5lib/html5lib-tests#92](https://github.com/html5lib/html5lib-tests/pull/92)
+
+### Updated
+
+- Project for Xcode 9
+- Travis config for iOS 11.0, macOS 10.13, tvOS 11.0 and watchOS 4.0
+- Updated HTML5Lib-Tests submodule (cbafeba)
+
+## [2.0.6](https://github.com/iabudiab/HTMLKit/releases/tag/2.0.6) 
+
+Released on 2017.05.02
+
+### Added
+
+- Memory consumption improvements (issue #10)
+	- Allocate `childNodes` collection in `HTMLNode` only when inserting child nodes
+	- Replace `NSStringFromSelector` calls with constants in `HTMLNode` validations
+	- Improve `reverseObjectEnumerator` usage while parsing HTML
+	- Rewrite internal logic of the `HTMLStackOfOpenElements` to prevent excessive allocations
+
+
+## [2.0.5](https://github.com/iabudiab/HTMLKit/releases/tag/2.0.5) 
+
+Released on 2017.04.19
+
+### Fixed
+
+- Xcode 8.3 issue with modulemaps
+	- Temporary workaround (renamed modulemap file)
+- Memory Leaks in `CSSInputStream`
+
+### Added
+
+- Minor memory consumption improvements
+	- Collections for child nodes or attributes of HTML Nodes or Elements are allocated lazily
+	- Underyling data string of `CharacterData` is allocated on first access
+	- Autorelease pool for the main `HTMLTokenizer` loop
+
+
+## [2.0.4](https://github.com/iabudiab/HTMLKit/releases/tag/2.0.4) 
+
+Released on 2017.04.2
+
+### Fixed
+
+- Testing with Swift 3.1
+	- Fixed by @tali in PR #8
+
+### Deprecated
+
+- `HTMLRange` initializers with typo
+	- `initWithDowcument:startContainer:startOffset:endContainer:endOffset:`
+
+
 ## [2.0.3](https://github.com/iabudiab/HTMLKit/releases/tag/2.0.3) 
 
 Released on 2017.03.6
 
 ### Fixed
+
 - Compilation for Swift 3.1
 	- Fixed by @tali in PR #6
 
@@ -14,6 +118,7 @@ Released on 2017.03.6
 Released on 2017.02.26
 
 ### Fixed
+
 - Retain cycles in `HTMLNodeIterator` (issue #4)
 - Retain cycles in `HTMLRange` (issue #5)
 - The layout of `HTMLKit` tests module for Swift Package Manager

Example/HTMLKitExample/HTMLKitExample.xcodeproj/project.pbxproj

@@ -89,7 +89,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0800;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = iabudiab;
 				TargetAttributes = {
 					629A63C81D9AFE0E0089679F = {
@@ -136,7 +136,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -144,7 +146,12 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_SUSPICIOUS_MOVES = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -184,7 +191,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -192,7 +201,12 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_SUSPICIOUS_MOVES = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -212,6 +226,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 			};
 			name = Release;
 		};
@@ -250,6 +265,7 @@
 				629A63D21D9AFE0E0089679F /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};

Example/HTMLKitExample/HTMLKitExample.xcodeproj/xcshareddata/xcschemes/HTMLKitExample.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
@@ -45,6 +46,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

HTMLKit.playground/Pages/Sanitizing HTML.xcplaygroundpage/Contents.swift

@@ -0,0 +1,29 @@
+
+import HTMLKit
+
+HTMLSanitizingPolicy { (builder) in
+	builder
+		.allowCommonBlockElements()
+		.allowCommonInlineFormattingElements()
+		.allowElements(["p", "div"])
+		.allow(HTMLElementPolicy.identity(), onElements: ["b", "p"])
+		.allow(HTMLAttributePolicy.init(), onElements: [])
+		.disallowText(inElements: ["a"])
+}
+
+HTMLElementPolicy { (str) -> String in
+	return str
+}
+
+
+HTMLSanitizer { (builder) in
+	builder
+		.allowCommonBlockElements()
+		.allowCommonInlineFormattingElements()
+		.allowElements(["p", "div"])
+		.allow(HTMLElementPolicy.identity() , onElements: ["b", "p"])
+		.allow(HTMLAttributePolicy.init(), onElements: [])
+		.disallowText(inElements: ["a"])
+}
+
+

HTMLKit.playground/contents.xcplayground

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='macos' display-mode='rendered' last-migration='0800'>
+<playground version='6.0' target-platform='macos' display-mode='raw' last-migration='0800'>
     <pages>
         <page name='Intro'/>
         <page name='Parsing Documents'/>
         <page name='Parsing Fragments'/>
         <page name='The DOM'/>
         <page name='CSS Selectors'/>
+        <page name='Sanitizing HTML'/>
     </pages>
 </playground>

HTMLKit.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name               = "HTMLKit"
-  s.version            = "2.0.3"
+  s.version            = "2.1.4"
   s.summary            = "HTMLKit, an Objective-C framework for your everyday HTML needs."
   s.license            = "MIT"
   s.homepage           = "https://github.com/iabudiab/HTMLKit"

HTMLKit.xcodeproj/project.pbxproj

@@ -11,6 +11,9 @@
 		62056C501E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 62056C4E1E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		62056C511E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 62056C4E1E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		62056C521E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 62056C4E1E2AD9FB009A4EE0 /* HTMLNodeIterator+Private.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		620AB7B12087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m in Sources */ = {isa = PBXBuildFile; fileRef = 620AB7B02087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m */; };
+		620AB7B22087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m in Sources */ = {isa = PBXBuildFile; fileRef = 620AB7B02087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m */; };
+		620AB7B32087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m in Sources */ = {isa = PBXBuildFile; fileRef = 620AB7B02087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m */; };
 		62132E5A1C01F83200084175 /* CSSSelectorTest.m in Sources */ = {isa = PBXBuildFile; fileRef = 62132E581C01F83200084175 /* CSSSelectorTest.m */; };
 		62132E5D1C021FF200084175 /* css-tests in Resources */ = {isa = PBXBuildFile; fileRef = 62132E5B1C021FF200084175 /* css-tests */; };
 		6216ACFD1C28DCC80074CAB4 /* CSSExtensionSelectorsParsingTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 6216ACFC1C28DCC80074CAB4 /* CSSExtensionSelectorsParsingTests.m */; };
@@ -73,6 +76,38 @@
 		626BE1E71DF3819600C49514 /* HTMLDOMUtils.m in Sources */ = {isa = PBXBuildFile; fileRef = 626BE1E11DF3819500C49514 /* HTMLDOMUtils.m */; };
 		626BE1E81DF3819600C49514 /* HTMLDOMUtils.m in Sources */ = {isa = PBXBuildFile; fileRef = 626BE1E11DF3819500C49514 /* HTMLDOMUtils.m */; };
 		626BE1E91DF3819600C49514 /* HTMLDOMUtils.m in Sources */ = {isa = PBXBuildFile; fileRef = 626BE1E11DF3819500C49514 /* HTMLDOMUtils.m */; };
+		627E609D20B9C55400AB06E8 /* HTMLSanitizer.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E609E20B9C55400AB06E8 /* HTMLSanitizer.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */; };
+		627E609F20B9C55400AB06E8 /* HTMLSanitizer.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60A020B9C55400AB06E8 /* HTMLSanitizer.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60A120B9C55400AB06E8 /* HTMLSanitizer.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */; };
+		627E60A220B9C55400AB06E8 /* HTMLSanitizer.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */; };
+		627E60A320B9C55400AB06E8 /* HTMLSanitizer.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */; };
+		627E60A420B9C55400AB06E8 /* HTMLSanitizer.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */; };
+		627E60A820B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60A920B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60AA20B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60AB20B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60AC20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */; };
+		627E60AD20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */; };
+		627E60AE20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */; };
+		627E60AF20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */; };
+		627E60BC20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60BD20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60BE20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60BF20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60C020BA015100AB06E8 /* HTMLSanitizingPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */; };
+		627E60C120BA015100AB06E8 /* HTMLSanitizingPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */; };
+		627E60C220BA015100AB06E8 /* HTMLSanitizingPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */; };
+		627E60C320BA015100AB06E8 /* HTMLSanitizingPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */; };
+		627E60C620BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60C720BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60C820BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60C920BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */ = {isa = PBXBuildFile; fileRef = 627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		627E60CA20BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60C520BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m */; };
+		627E60CB20BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60C520BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m */; };
+		627E60CC20BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m in Sources */ = {isa = PBXBuildFile; fileRef = 627E60C520BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m */; };
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@@ -306,6 +341,17 @@
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+		62A6CDCE20BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		62A6CDCF20BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		62A6CDD020BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		62A6CDD120BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		62A6CDD220BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */; };
+		62A6CDD320BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */; };
+		62A6CDD420BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */; };
+		62A6CDD520BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */; };
+		62A95A4D1FB0FBFC0009FF26 /* HTMLSerializationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A95A4C1FB0FBFC0009FF26 /* HTMLSerializationTests.m */; };
+		62A95A4E1FB0FBFC0009FF26 /* HTMLSerializationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A95A4C1FB0FBFC0009FF26 /* HTMLSerializationTests.m */; };
+		62A95A4F1FB0FBFC0009FF26 /* HTMLSerializationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 62A95A4C1FB0FBFC0009FF26 /* HTMLSerializationTests.m */; };
 		62D8345A19FB1AC4009205A9 /* HTML5LibTokenizerTest.m in Sources */ = {isa = PBXBuildFile; fileRef = 62D8345819FB1AC4009205A9 /* HTML5LibTokenizerTest.m */; };
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@@ -321,6 +367,14 @@
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 		62E1A3B71E610E5300C41C3B /* Fixtures in Resources */ = {isa = PBXBuildFile; fileRef = 62E1A3B41E610E5300C41C3B /* Fixtures */; };
+		62E2BC0D20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */; };
+		62E2BC0E20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */; };
+		62E2BC0F20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */; };
+		62E2BC1020C0A93300979D71 /* HTMLTokenPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = 62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */; };
+		62E2BC1120C0A93300979D71 /* HTMLTokenPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */; };
+		62E2BC1220C0A93300979D71 /* HTMLTokenPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */; };
+		62E2BC1320C0A93300979D71 /* HTMLTokenPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */; };
+		62E2BC1420C0A93300979D71 /* HTMLTokenPolicy.m in Sources */ = {isa = PBXBuildFile; fileRef = 62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */; };
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 /* Begin PBXFileReference section */
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+		620AB7B02087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = CSSStructuralPseudoSelectors.m; path = HTMLKitTests/CSSStructuralPseudoSelectors.m; sourceTree = "<group>"; };
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@@ -694,6 +749,14 @@
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+		627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLSanitizer.h; sourceTree = "<group>"; };
+		627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLSanitizer.m; sourceTree = "<group>"; };
+		627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLElementPolicy.h; sourceTree = "<group>"; };
+		627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLElementPolicy.m; sourceTree = "<group>"; };
+		627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLSanitizingPolicy.h; sourceTree = "<group>"; };
+		627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLSanitizingPolicy.m; sourceTree = "<group>"; };
+		627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLSanitizingPolicyBuilder.h; sourceTree = "<group>"; };
+		627E60C520BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLSanitizingPolicyBuilder.m; sourceTree = "<group>"; };
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+		62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLAttributePolicy.h; sourceTree = "<group>"; };
+		62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLAttributePolicy.m; sourceTree = "<group>"; };
+		62A95A4C1FB0FBFC0009FF26 /* HTMLSerializationTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = HTMLSerializationTests.m; path = HTMLKitTests/HTMLSerializationTests.m; sourceTree = "<group>"; };
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@@ -721,6 +787,8 @@
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 		62E1A3B41E610E5300C41C3B /* Fixtures */ = {isa = PBXFileReference; lastKnownFileType = folder; path = Fixtures; sourceTree = "<group>"; };
+		62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLTokenPolicy.h; sourceTree = "<group>"; };
+		62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HTMLTokenPolicy.m; sourceTree = "<group>"; };
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@@ -885,6 +953,7 @@
 				62EC7AE51AEEAC6F0015D3BE /* HTMLMutationAlgorithmsTests.m */,
 				62EC0A841E158BD80007786B /* HTMLRangeTests.m */,
 				62E0BA961E25456700E4D193 /* HTMLCharacterDataTests.m */,
+				62A95A4C1FB0FBFC0009FF26 /* HTMLSerializationTests.m */,
 			);
 			name = DOM;
 			sourceTree = "<group>";
@@ -957,6 +1026,7 @@
 				625A14BC19C7829400AD0C32 /* HTMLKit.h */,
 				626652F81C03D30F00C3F121 /* HTMLKitErrorDomain.h */,
 				62AE593219F97CCA0043F069 /* Tokenizing */,
+				627E609A20B9C53B00AB06E8 /* Sanitizing */,
 				628E16EC1ADAE71700B15A06 /* Parsing */,
 				623719441AA1472B002E03C8 /* DOM */,
 				628E16ED1ADAE73700B15A06 /* Categories */,
@@ -1020,6 +1090,33 @@
 			name = Private;
 			sourceTree = "<group>";
 		};
+		627E609A20B9C53B00AB06E8 /* Sanitizing */ = {
+			isa = PBXGroup;
+			children = (
+				627E609B20B9C55400AB06E8 /* HTMLSanitizer.h */,
+				627E609C20B9C55400AB06E8 /* HTMLSanitizer.m */,
+				627E60BA20BA015100AB06E8 /* HTMLSanitizingPolicy.h */,
+				627E60BB20BA015100AB06E8 /* HTMLSanitizingPolicy.m */,
+				627E60C420BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h */,
+				627E60C520BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m */,
+				627E60A520B9C55900AB06E8 /* Policies */,
+			);
+			name = Sanitizing;
+			sourceTree = "<group>";
+		};
+		627E60A520B9C55900AB06E8 /* Policies */ = {
+			isa = PBXGroup;
+			children = (
+				62E2BC0B20C0A93300979D71 /* HTMLTokenPolicy.h */,
+				62E2BC0C20C0A93300979D71 /* HTMLTokenPolicy.m */,
+				627E60A620B9C58F00AB06E8 /* HTMLElementPolicy.h */,
+				627E60A720B9C58F00AB06E8 /* HTMLElementPolicy.m */,
+				62A6CDCC20BC9A3D00351AAE /* HTMLAttributePolicy.h */,
+				62A6CDCD20BC9A3D00351AAE /* HTMLAttributePolicy.m */,
+			);
+			name = Policies;
+			sourceTree = "<group>";
+		};
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 			isa = PBXGroup;
 			children = (
@@ -1069,6 +1166,14 @@
 				62E7CAAE19CDFFB500465A83 /* HTMLTokenizerCharacters.h */,
 				62F31FDB19E9DCCF007F0657 /* HTMLTokenizerEntities.h */,
 				62F31FDC19E9DCCF007F0657 /* HTMLTokenizerEntities.m */,
+				62E2BC1520C0AAD000979D71 /* Tokens */,
+			);
+			name = Tokenizing;
+			sourceTree = "<group>";
+		};
+		62E2BC1520C0AAD000979D71 /* Tokens */ = {
+			isa = PBXGroup;
+			children = (
 				624AC8FE19FBF4F700BD3C4A /* HTMLTokens.h */,
 				624493AA19CD0CBE00BCDDF4 /* HTMLToken.h */,
 				624493AB19CD0CBE00BCDDF4 /* HTMLToken.m */,
@@ -1085,7 +1190,7 @@
 				6238039D1AB63A8C008A53D0 /* HTMLEOFToken.h */,
 				6238039E1AB63A8C008A53D0 /* HTMLEOFToken.m */,
 			);
-			name = Tokenizing;
+			name = Tokens;
 			sourceTree = "<group>";
 		};
 		62ECBEDF1C0B671000AF847B /* Parsing */ = {
@@ -1139,6 +1244,7 @@
 				624AB3191B050A4D00F3830D /* CSSAttributeSelectorTests.m */,
 				62F6586F1BD83C8E0045F137 /* CSSNThExpressionSelectorTests.m */,
 				621FBE5C1BDAD90200BC9555 /* CSSCombinatorSelectorTests.m */,
+				620AB7B02087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m */,
 			);
 			name = Selectors;
 			sourceTree = "<group>";
@@ -1158,11 +1264,13 @@
 				62D91C231DE218A500BEFADE /* HTMLRange.h in Headers */,
 				62ECBEE51C0B69FD00AF847B /* HTMLTokenizerCharacters.h in Headers */,
 				62ECBEE61C0B69FD00AF847B /* HTMLTokenizerEntities.h in Headers */,
+				627E60A820B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */,
 				625D0F031C2717DE00D7BEB0 /* HTMLNode+Private.h in Headers */,
 				62ECBEE71C0B69FD00AF847B /* HTMLTokens.h in Headers */,
 				62ECBF1B1C0B6ABF00AF847B /* HTMLElement.h in Headers */,
 				62ECBEE81C0B69FD00AF847B /* HTMLToken.h in Headers */,
 				62ECBEE91C0B69FD00AF847B /* HTMLCharacterToken.h in Headers */,
+				627E60C620BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */,
 				62ECBEEA1C0B69FD00AF847B /* HTMLCommentToken.h in Headers */,
 				62ECBEEB1C0B69FD00AF847B /* HTMLDOCTYPEToken.h in Headers */,
 				626BE1E21DF3819500C49514 /* HTMLDOMUtils.h in Headers */,
@@ -1177,6 +1285,7 @@
 				62ECBEF11C0B69FD00AF847B /* HTMLListOfActiveFormattingElements.h in Headers */,
 				62ECBEF21C0B69FD00AF847B /* HTMLElementTypes.h in Headers */,
 				62ECBEF31C0B69FD00AF847B /* HTMLElementAdjustment.h in Headers */,
+				627E60BC20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */,
 				62ECBEF41C0B69FD00AF847B /* HTMLParserInsertionModes.h in Headers */,
 				624C777A1DE9D05E00DD6DFA /* HTMLCharacterData.h in Headers */,
 				62ECBEF51C0B69FD00AF847B /* HTMLMarker.h in Headers */,
@@ -1184,11 +1293,13 @@
 				62ECBEF71C0B69FE00AF847B /* HTMLNode.h in Headers */,
 				621CC4A51DEA721A00D1992A /* HTMLParser+Private.h in Headers */,
 				62ECBEF81C0B69FE00AF847B /* HTMLDocument.h in Headers */,
+				62E2BC0D20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */,
 				62ECBEF91C0B69FE00AF847B /* HTMLDocumentType.h in Headers */,
 				62ECBEFA1C0B69FE00AF847B /* HTMLDocumentFragment.h in Headers */,
 				62ECBEFC1C0B69FE00AF847B /* HTMLComment.h in Headers */,
 				62ECBEFD1C0B69FE00AF847B /* HTMLText.h in Headers */,
 				62ECBEFE1C0B69FE00AF847B /* HTMLTemplate.h in Headers */,
+				627E609D20B9C55400AB06E8 /* HTMLSanitizer.h in Headers */,
 				62ECBEFF1C0B69FE00AF847B /* HTMLNodeIterator.h in Headers */,
 				62ECBF001C0B69FF00AF847B /* HTMLTreeWalker.h in Headers */,
 				62ECBF011C0B69FF00AF847B /* HTMLNodeTraversal.h in Headers */,
@@ -1214,6 +1325,7 @@
 				62ECBF131C0B6A0200AF847B /* CSSPseudoClassSelector.h in Headers */,
 				62ECBF141C0B6A0200AF847B /* CSSNthExpressionSelector.h in Headers */,
 				62ECBF151C0B6A0200AF847B /* CSSPseudoFunctionSelector.h in Headers */,
+				62A6CDCE20BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */,
 				62ECBF161C0B6A0300AF847B /* CSSCombinatorSelector.h in Headers */,
 				62ECBF171C0B6A0300AF847B /* CSSCompoundSelector.h in Headers */,
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@@ -1231,11 +1343,13 @@
 				62857CA31D398973008DC254 /* HTMLDocumentType.h in Headers */,
 				62D91C261DE218A500BEFADE /* HTMLRange.h in Headers */,
 				62857C6B1D3988EE008DC254 /* HTMLKit.h in Headers */,
+				627E60AB20B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */,
 				62857C701D398907008DC254 /* HTMLTokenizerCharacters.h in Headers */,
 				62857C6F1D398907008DC254 /* HTMLTokenizerStates.h in Headers */,
 				62857C721D398907008DC254 /* HTMLTokens.h in Headers */,
 				62857CBF1D398999008DC254 /* NSCharacterSet+HTMLKit.h in Headers */,
 				62857CDD1D3989CE008DC254 /* CSSNthExpressionSelector.h in Headers */,
+				627E60C920BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */,
 				62857C841D398917008DC254 /* HTMLParser.h in Headers */,
 				62857CDB1D3989CE008DC254 /* CSSAttributeSelector.h in Headers */,
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 				62857C751D398907008DC254 /* HTMLCommentToken.h in Headers */,
 				62857C891D398927008DC254 /* HTMLParserInsertionModes.h in Headers */,
+				627E60BF20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */,
 				62857CA81D398973008DC254 /* HTMLDOMTokenList.h in Headers */,
 				62857C851D398927008DC254 /* HTMLStackOfOpenElements.h in Headers */,
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 				62857CAE1D398973008DC254 /* HTMLQuirksMode.h in Headers */,
 				621CC4A81DEA721A00D1992A /* HTMLParser+Private.h in Headers */,
+				62E2BC1020C0A93300979D71 /* HTMLTokenPolicy.h in Headers */,
 				62857CAF1D398977008DC254 /* HTMLNodeTraversal.h in Headers */,
 				62857C771D398907008DC254 /* HTMLParseErrorToken.h in Headers */,
 				62857CDC1D3989CE008DC254 /* CSSPseudoClassSelector.h in Headers */,
 				62857CC21D3989A1008DC254 /* HTMLOrderedDictionary.h in Headers */,
 				62857C761D398907008DC254 /* HTMLDOCTYPEToken.h in Headers */,
+				627E60A020B9C55400AB06E8 /* HTMLSanitizer.h in Headers */,
 				62857CE21D39A119008DC254 /* HTMLNode+Private.h in Headers */,
 				62857CD71D3989C2008DC254 /* CSSNthExpressionParser.h in Headers */,
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 				62857CD51D3989BF008DC254 /* CSSInputStream.h in Headers */,
 				62857C741D398907008DC254 /* HTMLCharacterToken.h in Headers */,
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 				62D91C251DE218A500BEFADE /* HTMLRange.h in Headers */,
 				62857D701D39A44E008DC254 /* HTMLDocumentType.h in Headers */,
+				627E60AA20B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */,
 				62857D861D39A476008DC254 /* CSSCodePoints.h in Headers */,
 				62857D8A1D39A47F008DC254 /* CSSTypeSelector.h in Headers */,
 				62857D491D39A3F4008DC254 /* HTMLKit.h in Headers */,
 				62857D8D1D39A47F008DC254 /* CSSNthExpressionSelector.h in Headers */,
 				62857D721D39A44E008DC254 /* HTMLElement.h in Headers */,
+				627E60C820BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.h in Headers */,
 				62857D4E1D39A40A008DC254 /* HTMLTokenizerCharacters.h in Headers */,
 				62857D4D1D39A40A008DC254 /* HTMLTokenizerStates.h in Headers */,
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@@ -1323,6 +1443,7 @@
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 				62857D741D39A44E008DC254 /* HTMLText.h in Headers */,
 				62857D5D1D39A41D008DC254 /* HTMLParserInsertionModes.h in Headers */,
+				627E60BE20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */,
 				62857D591D39A41D008DC254 /* HTMLStackOfOpenElements.h in Headers */,
 				62857D781D39A44E008DC254 /* HTMLTreeWalker.h in Headers */,
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@@ -1330,11 +1451,13 @@
 				62857D541D39A411008DC254 /* HTMLDOCTYPEToken.h in Headers */,
 				62857D871D39A476008DC254 /* CSSInputStream.h in Headers */,
 				621CC4A71DEA721A00D1992A /* HTMLParser+Private.h in Headers */,
+				62E2BC0F20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */,
 				62857D8F1D39A47F008DC254 /* CSSCombinatorSelector.h in Headers */,
 				62857D5C1D39A41D008DC254 /* HTMLElementAdjustment.h in Headers */,
 				62857D891D39A47F008DC254 /* CSSSelectorBlock.h in Headers */,
 				62857D6D1D39A44E008DC254 /* HTMLDOM.h in Headers */,
 				62857D751D39A44E008DC254 /* HTMLTemplate.h in Headers */,
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 				62857D7C1D39A452008DC254 /* HTMLQuirksMode.h in Headers */,
 				62857D791D39A44E008DC254 /* HTMLNodeFilter.h in Headers */,
+				62A6CDD020BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */,
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 				62ECBFA81C0B6D3A00AF847B /* HTMLDocument.h in Headers */,
 				62ECBFA91C0B6D3A00AF847B /* HTMLDocumentType.h in Headers */,
+				627E60A920B9C58F00AB06E8 /* HTMLElementPolicy.h in Headers */,
 				62ECBFAA1C0B6D3A00AF847B /* HTMLDocumentFragment.h in Headers */,
 				62ECBFAB1C0B6D3B00AF847B /* HTMLElement.h in Headers */,
 				62ECBFAC1C0B6D3B00AF847B /* HTMLComment.h in Headers */,
 				62ECBFAD1C0B6D3B00AF847B /* HTMLText.h in Headers */,
 				62ECBFAE1C0B6D3B00AF847B /* HTMLTemplate.h in Headers */,
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 				62ECBFB01C0B6D3C00AF847B /* HTMLTreeWalker.h in Headers */,
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@@ -1396,6 +1522,7 @@
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 				62ECBFBA1C0B6D3E00AF847B /* CSSStructuralPseudoSelectors.h in Headers */,
+				627E60BD20BA015100AB06E8 /* HTMLSanitizingPolicy.h in Headers */,
 				624C777B1DE9D05E00DD6DFA /* HTMLCharacterData.h in Headers */,
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@@ -1403,11 +1530,13 @@
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 				62ECBFC01C0B6D4000AF847B /* CSSSelectorBlock.h in Headers */,
 				62ECBFC11C0B6D4100AF847B /* CSSTypeSelector.h in Headers */,
+				62E2BC0E20C0A93300979D71 /* HTMLTokenPolicy.h in Headers */,
 				62ECBFC21C0B6D4100AF847B /* CSSAttributeSelector.h in Headers */,
 				62ECBFC31C0B6D4100AF847B /* CSSPseudoClassSelector.h in Headers */,
 				62ECBFC41C0B6D4200AF847B /* CSSNthExpressionSelector.h in Headers */,
 				62ECBFC51C0B6D4200AF847B /* CSSPseudoFunctionSelector.h in Headers */,
 				62ECBFC61C0B6D4300AF847B /* CSSCombinatorSelector.h in Headers */,
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@@ -1433,6 +1562,7 @@
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 				62ECBFA41C0B6D3900AF847B /* HTMLParserInsertionModes.h in Headers */,
 				62ECBFA51C0B6D3900AF847B /* HTMLMarker.h in Headers */,
+				62A6CDCF20BC9A3D00351AAE /* HTMLAttributePolicy.h in Headers */,
 				62ECBFBB1C0B6D3F00AF847B /* CSSCodePoints.h in Headers */,
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@@ -1693,6 +1823,8 @@
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 				62ECBF1E1C0B6B7900AF847B /* HTMLTokenizerEntities.m in Sources */,
 				62ECBF1F1C0B6B7900AF847B /* HTMLToken.m in Sources */,
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 				62ECBF2E1C0B6B7900AF847B /* HTMLElement.m in Sources */,
 				62ECBF2F1C0B6B7900AF847B /* HTMLComment.m in Sources */,
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 				62ECBF371C0B6B7900AF847B /* NSString+HTMLKit.m in Sources */,
 				62ECBF381C0B6B7900AF847B /* NSCharacterSet+HTMLKit.m in Sources */,
+				627E60AC20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */,
 				62ECBF391C0B6B7900AF847B /* HTMLOrderedDictionary.m in Sources */,
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 				62ECBF3B1C0B6B7900AF847B /* CSSStructuralPseudoSelectors.m in Sources */,
 				62ECBF3C1C0B6B7900AF847B /* CSSInputStream.m in Sources */,
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 				62ECBF3E1C0B6B7900AF847B /* CSSNthExpressionParser.m in Sources */,
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@@ -1745,6 +1881,7 @@
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 				624B9FB31AE0313300646C4C /* HTMLStringCategoryTests.m in Sources */,
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@@ -1780,6 +1918,8 @@
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 				62857CB61D398992008DC254 /* HTMLText.m in Sources */,
 				62857C7D1D398912008DC254 /* HTMLToken.m in Sources */,
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+				627E60A420B9C55400AB06E8 /* HTMLSanitizer.m in Sources */,
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@@ -1797,6 +1937,7 @@
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 				62857C7A1D398912008DC254 /* HTMLInputStreamReader.m in Sources */,
 				62857CC11D39899C008DC254 /* NSCharacterSet+HTMLKit.m in Sources */,
+				62A6CDD520BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */,
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 				62857C8E1D39892D008DC254 /* HTMLMarker.m in Sources */,
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@@ -1806,10 +1947,12 @@
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 				62857CBA1D398992008DC254 /* HTMLTreeWalker.m in Sources */,
 				62857CE11D39A108008DC254 /* HTMLDocumentType.m in Sources */,
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 				62857CC71D3989AF008DC254 /* CSSStructuralPseudoSelectors.m in Sources */,
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 				62857CB71D398992008DC254 /* HTMLTemplate.m in Sources */,
 				62857CBC1D398992008DC254 /* HTMLNodeFilter.m in Sources */,
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 				62857CC01D39899C008DC254 /* NSString+HTMLKit.m in Sources */,
 				62857CCA1D3989B8008DC254 /* CSSInputStream.m in Sources */,
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 				624C77811DE9D05E00DD6DFA /* HTMLCharacterData.m in Sources */,
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@@ -1835,6 +1979,8 @@
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 				62857D151D39A32A008DC254 /* HTMLText.m in Sources */,
 				62857D0B1D39A328008DC254 /* HTMLParser.m in Sources */,
+				62E2BC1320C0A93300979D71 /* HTMLTokenPolicy.m in Sources */,
+				627E60A320B9C55400AB06E8 /* HTMLSanitizer.m in Sources */,
 				62857D131D39A32A008DC254 /* HTMLElement.m in Sources */,
 				62857D251D39A334008DC254 /* CSSSelector.m in Sources */,
 				62857D021D39A324008DC254 /* HTMLTokenizer.m in Sources */,
@@ -1852,6 +1998,7 @@
 				62857D291D39A334008DC254 /* CSSPseudoClassSelector.m in Sources */,
 				62857D011D39A324008DC254 /* HTMLInputStreamReader.m in Sources */,
 				62857D1E1D39A334008DC254 /* NSCharacterSet+HTMLKit.m in Sources */,
+				62A6CDD420BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */,
 				62857D271D39A334008DC254 /* CSSTypeSelector.m in Sources */,
 				62857D0E1D39A328008DC254 /* HTMLMarker.m in Sources */,
 				62857D071D39A324008DC254 /* HTMLDOCTYPEToken.m in Sources */,
@@ -1861,10 +2008,12 @@
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 				62857D221D39A334008DC254 /* CSSSelectorParser.m in Sources */,
 				62857D191D39A32A008DC254 /* HTMLTreeWalker.m in Sources */,
+				627E60AE20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */,
 				62857D211D39A334008DC254 /* CSSStructuralPseudoSelectors.m in Sources */,
 				62857D091D39A324008DC254 /* HTMLTagToken.m in Sources */,
 				62857D161D39A32A008DC254 /* HTMLTemplate.m in Sources */,
 				62857D1B1D39A32A008DC254 /* HTMLNodeFilter.m in Sources */,
+				627E60CC20BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m in Sources */,
 				62857D1D1D39A334008DC254 /* NSString+HTMLKit.m in Sources */,
 				62857D241D39A334008DC254 /* CSSInputStream.m in Sources */,
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@@ -1878,6 +2027,7 @@
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 				624C77801DE9D05E00DD6DFA /* HTMLCharacterData.m in Sources */,
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 			runOnlyForDeploymentPostprocessing = 0;
@@ -1887,6 +2037,7 @@
 			buildActionMask = 2147483647;
 			files = (
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@@ -1903,6 +2054,7 @@
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 				62857D391D39A342008DC254 /* HTMLOrderedDictionaryTests.m in Sources */,
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@@ -1922,6 +2074,8 @@
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 				62ECBF661C0B6D2A00AF847B /* HTMLTokenizerEntities.m in Sources */,
 				62ECBF671C0B6D2A00AF847B /* HTMLToken.m in Sources */,
+				62E2BC1220C0A93300979D71 /* HTMLTokenPolicy.m in Sources */,
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@@ -1939,6 +2093,7 @@
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 				62ECBF761C0B6D2A00AF847B /* HTMLElement.m in Sources */,
 				62ECBF771C0B6D2A00AF847B /* HTMLComment.m in Sources */,
+				62A6CDD320BC9A3D00351AAE /* HTMLAttributePolicy.m in Sources */,
 				62ECBF781C0B6D2A00AF847B /* HTMLText.m in Sources */,
 				62ECBF791C0B6D2A00AF847B /* HTMLTemplate.m in Sources */,
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@@ -1948,10 +2103,12 @@
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 				62ECBF801C0B6D2A00AF847B /* NSCharacterSet+HTMLKit.m in Sources */,
+				627E60AD20B9C58F00AB06E8 /* HTMLElementPolicy.m in Sources */,
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+				627E60CB20BA02E900AB06E8 /* HTMLSanitizingPolicyBuilder.m in Sources */,
 				62ECBF851C0B6D2A00AF847B /* CSSSelectorParser.m in Sources */,
 				62ECBF861C0B6D2A00AF847B /* CSSNthExpressionParser.m in Sources */,
 				62ECBF871C0B6D2A00AF847B /* CSSSelector.m in Sources */,
@@ -1965,6 +2122,7 @@
 				62ECBF8F1C0B6D2A00AF847B /* CSSCompoundSelector.m in Sources */,
 				62567F531C0CB5750025D458 /* HTMLDOMTokenList.m in Sources */,
 				624C777F1DE9D05E00DD6DFA /* HTMLCharacterData.m in Sources */,
+				627E60C120BA015100AB06E8 /* HTMLSanitizingPolicy.m in Sources */,
 				626BE1E71DF3819600C49514 /* HTMLDOMUtils.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -1974,6 +2132,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				62EC0A861E158BD80007786B /* HTMLRangeTests.m in Sources */,
+				620AB7B22087F18D00AFCCC7 /* CSSStructuralPseudoSelectors.m in Sources */,
 				62E0BA981E25456700E4D193 /* HTMLCharacterDataTests.m in Sources */,
 				6216ACFE1C28DCC80074CAB4 /* CSSExtensionSelectorsParsingTests.m in Sources */,
 				62ECBFCA1C0B6E2E00AF847B /* HTML5LibTokenizerTest.m in Sources */,
@@ -1990,6 +2149,7 @@
 				62567F571C0CC3AE0025D458 /* HTMLDOMTokenListTests.m in Sources */,
 				62ECBFD41C0B6E2E00AF847B /* HTMLStringCategoryTests.m in Sources */,
 				62ECBFD51C0B6E2E00AF847B /* HTMLOrderedDictionaryTests.m in Sources */,
+				62A95A4E1FB0FBFC0009FF26 /* HTMLSerializationTests.m in Sources */,
 				62ECBFD61C0B6E2E00AF847B /* CSSSelectorTest.m in Sources */,
 				62ECBFD71C0B6E2E00AF847B /* CSSSelectorParserTests.m in Sources */,
 				62ECBFD81C0B6E2E00AF847B /* CSSNthExpressionsParserTests.m in Sources */,
@@ -2030,14 +2190,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -2074,14 +2240,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -2106,6 +2278,7 @@
 		625A14D519C7829400AD0C32 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -2115,8 +2288,10 @@
 				FRAMEWORK_VERSION = A;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "@rpath";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2131,6 +2306,7 @@
 		625A14D619C7829400AD0C32 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -2140,8 +2316,10 @@
 				FRAMEWORK_VERSION = A;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "@rpath";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2206,6 +2384,7 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				"CODE_SIGN_IDENTITY[sdk=watchos*]" = "";
 				CURRENT_PROJECT_VERSION = 1;
@@ -2217,7 +2396,9 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2241,6 +2422,7 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				"CODE_SIGN_IDENTITY[sdk=watchos*]" = "";
 				COPY_PHASE_STRIP = NO;
@@ -2252,7 +2434,9 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2276,6 +2460,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=*]" = "iPhone Developer";
@@ -2289,7 +2474,9 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2311,6 +2498,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=*]" = "iPhone Developer";
@@ -2324,7 +2512,9 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
@@ -2387,6 +2577,7 @@
 		62ECBF5F1C0B6C7600AF847B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
@@ -2399,8 +2590,10 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				GCC_WARN_INHIBIT_ALL_WARNINGS = NO;
 				GCC_WARN_PEDANTIC = NO;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";
@@ -2423,6 +2616,7 @@
 		62ECBF601C0B6C7600AF847B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
@@ -2435,8 +2629,10 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "";
+				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
 				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				GCC_WARN_INHIBIT_ALL_WARNINGS = NO;
 				GCC_WARN_PEDANTIC = NO;
 				INFOPLIST_FILE = "Sources/HTMLKit-Info.plist";

HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
       <Testables>
@@ -70,6 +71,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-macOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
       <Testables>
@@ -70,6 +71,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
       <Testables>
@@ -64,6 +65,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

HTMLKit.xcodeproj/xcshareddata/xcschemes/HTMLKit-watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
       <Testables>
@@ -37,6 +38,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

README.md

@@ -4,7 +4,8 @@
 
 An Objective-C framework for your everyday HTML needs.
 
-[![Build Status](https://img.shields.io/travis/iabudiab/HTMLKit/master.svg?style=flat)](https://travis-ci.org/iabudiab/HTMLKit)
+[![Build Status](https://img.shields.io/travis/iabudiab/HTMLKit/develop.svg?style=flat)](https://travis-ci.org/iabudiab/HTMLKit)
+[![codecov](https://codecov.io/gh/iabudiab/HTMLKit/branch/develop/graph/badge.svg)](https://codecov.io/gh/iabudiab/HTMLKit)
 [![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![CocoaPods Compatible](https://img.shields.io/cocoapods/v/HTMLKit.svg?style=flat)](https://cocoapods.org/pods/HTMLKit)
 [![CocoaDocs](https://img.shields.io/cocoapods/metrics/doc-percent/HTMLKit.svg?style=flat)](http://cocoadocs.org/docsets/HTMLKit)
@@ -75,10 +76,8 @@ $ gem install cocoapods
 To add `HTMLKit` as a dependency into your project using CocoaPods just add the following in your `Podfile`:
 
 ```ruby
-use_frameworks!
-
 target 'MyTarget' do
-  pod 'HTMLKit', '~> 2.0'
+  pod 'HTMLKit', '~> 2.1'
 end
 ```
 

Sources/CSSInputStream.m

@@ -24,14 +24,14 @@
 
 - (NSString *)consumeIdentifier
 {
-	CFMutableStringRef value = CFStringCreateMutable(kCFAllocatorDefault, 0);
-
 	if (!isValidIdentifierStart([self inputCharacterPointAtOffset:0],
 								[self inputCharacterPointAtOffset:1],
 								[self inputCharacterPointAtOffset:2])) {
 		return nil;
 	}
 
+	CFMutableStringRef value = CFStringCreateMutable(kCFAllocatorDefault, 0);
+
 	while (YES) {
 		UTF32Char codePoint = [self consumeNextInputCharacter];
 		if (codePoint == EOF) {
@@ -47,7 +47,12 @@
 		}
 	}
 
-	return (__bridge NSString *)(CFStringGetLength(value) > 0 ? value : nil);
+	if (CFStringGetLength(value) > 0) {
+		return (__bridge_transfer NSString *)value;
+	}
+
+	CFRelease(value);
+	return nil;
 }
 
 - (NSString *)consumeStringWithEndingCodePoint:(UTF32Char)endingCodePoint
@@ -85,7 +90,12 @@
 		}
 	}
 
-	return (__bridge NSString *)(CFStringGetLength(value) > 0 ? value : nil);
+	if (CFStringGetLength(value) > 0) {
+		return (__bridge_transfer NSString *)value;
+	}
+
+	CFRelease(value);
+	return nil;
 }
 
 - (UTF32Char)consumeEscapedCodePoint
@@ -105,7 +115,7 @@
 			[self consumeNextInputCharacter];
 		}
 
-		NSScanner *scanner = [NSScanner scannerWithString:(__bridge NSString *)(hexString)];
+		NSScanner *scanner = [NSScanner scannerWithString:(__bridge_transfer NSString *)(hexString)];
 		unsigned int number;
 		[scanner scanHexInt:&number];
 

Sources/CSSNthExpressionSelector.m

@@ -38,7 +38,7 @@ NSString * _Nonnull NSStringFromNthExpression(CSSNthExpression expression)
 
 #pragma mark - Implementation
 
-NSInteger computeIndex(NSEnumerator *enumerator, HTMLElement *element)
+NS_INLINE NSInteger computeIndex(NSEnumerator *enumerator, HTMLElement *element)
 {
 	NSInteger index = 0;
 	for (HTMLNode *node in enumerator) {

Sources/CSSStructuralPseudoSelectors.m

@@ -276,7 +276,7 @@ CSSSelector * ltSelector(NSInteger index)
 	return namedBlockSelector(name, ^BOOL(HTMLElement * _Nonnull element) {
 		NSUInteger elementIndex = [element.parentElement indexOfChildNode:element];
 
-		if (index > 0) {
+		if (index >= 0) {
 			return elementIndex < index;
 		} else {
 			return elementIndex < element.parentElement.childNodesCount - index - 1;
@@ -290,7 +290,7 @@ CSSSelector * gtSelector(NSInteger index)
 	return namedBlockSelector(name, ^BOOL(HTMLElement * _Nonnull element) {
 		NSUInteger elementIndex = [element.parentElement indexOfChildNode:element];
 
-		if (index > 0) {
+		if (index >= 0) {
 			return elementIndex > index;
 		} else {
 			return elementIndex > element.parentElement.childNodesCount - index - 1;
@@ -304,7 +304,7 @@ CSSSelector * eqSelector(NSInteger index)
 	return namedBlockSelector(name, ^BOOL(HTMLElement * _Nonnull element) {
 		NSUInteger elementIndex = [element.parentElement indexOfChildNode:element];
 
-		if (index > 0) {
+		if (index >= 0) {
 			return elementIndex == index;
 		} else {
 			return elementIndex == element.parentElement.childNodesCount - index - 1;

Sources/HTMLAttributePolicy.h

@@ -0,0 +1,25 @@
+//
+//  HTMLAttributePolicy.h
+//  HTMLKit
+//
+//  Created by Iska on 28.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NSString * _Nullable (^ SanitizeAttrbiuteValueBlock) (NSString * _Nullable value, NSString * key);
+
+@interface HTMLAttributePolicy : NSObject
+
++ (instancetype)identity;
++ (instancetype)rejectAll;
++ (instancetype)policyWithBlock:(SanitizeAttrbiuteValueBlock)block;
+
+- (NSString *)sanitizeValue:(NSString *)value forKey:(NSString *)key;
+
+@end
+
+NS_ASSUME_NONNULL_END

Sources/HTMLAttributePolicy.m

@@ -0,0 +1,56 @@
+//
+//  HTMLAttributePolicy.m
+//  HTMLKit
+//
+//  Created by Iska on 28.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLAttributePolicy.h"
+
+@interface HTMLAttributePolicy()
+{
+	SanitizeAttrbiuteValueBlock _block;
+}
+@end
+
+@implementation HTMLAttributePolicy
+
++ (instancetype)identity
+{
+	return [self policyWithBlock:^NSString * _Nullable (NSString * _Nullable value, NSString * _Nonnull key) {
+		return value;
+	}];
+}
+
++ (instancetype)rejectAll
+{
+	return [self policyWithBlock:^NSString * _Nullable (NSString * _Nullable value, NSString * _Nonnull key) {
+		return nil;
+	}];
+}
+
++ (instancetype)policyWithBlock:(SanitizeAttrbiuteValueBlock)block
+{
+	HTMLAttributePolicy *policy = [[HTMLAttributePolicy alloc] initWithBlock:block];
+	return policy;
+}
+
+- (instancetype)initWithBlock:(SanitizeAttrbiuteValueBlock)block
+{
+	self = [super init];
+	if (self) {
+		_block = block;
+	}
+	return self;
+}
+
+- (NSString *)sanitizeValue:(NSString *)value forKey:(NSString *)key
+{
+	if (_block) {
+		return _block(value, key);
+	}
+	return value;
+}
+
+@end

Sources/HTMLCharacterData.m

@@ -24,14 +24,25 @@
 {
 	self = [super initWithName:name type:type];
 	if (self) {
-		_data = [[NSMutableString alloc] initWithString:data ?: @""];
+		if (data) {
+			_data = [[NSMutableString alloc] initWithString:data];
+		}
 	}
 	return self;
 }
 
+- (NSString *)data
+{
+	if (_data == nil) {
+		_data = [[NSMutableString alloc] initWithString:@""];
+	}
+
+	return _data;
+}
+
 - (NSString *)textContent
 {
-	return [_data copy];
+	return [self.data copy];
 }
 
 - (void)setTextContent:(NSString *)textContent
@@ -41,7 +52,7 @@
 
 - (NSUInteger)length
 {
-	return _data.length;
+	return self.data.length;
 }
 
 #pragma mark - Data
@@ -81,7 +92,7 @@ NS_INLINE void CheckValidOffset(HTMLCharacterData *node, NSUInteger offset, NSSt
 
 	range.length = MIN(range.length, self.length - range.location);
 
-	[_data replaceCharactersInRange:range withString:data];
+	[(NSMutableString *)self.data replaceCharactersInRange:range withString:data];
 	[self.ownerDocument didRemoveCharacterDataInNode:self atOffset:range.location withLength:range.length];
 	[self.ownerDocument didAddCharacterDataToNode:self atOffset:range.location withLength:data.length];
 }

Sources/HTMLElement.m

@@ -32,7 +32,7 @@
 
 - (instancetype)initWithTagName:(NSString *)tagName
 {
-	return [self initWithTagName:tagName attributes:@{}];
+	return [self initWithTagName:tagName attributes:nil];
 }
 
 - (instancetype)initWithTagName:(NSString *)tagName attributes:(NSDictionary *)attributes
@@ -45,8 +45,9 @@
 	self = [super initWithName:tagName type:HTMLNodeElement];
 	if (self) {
 		_tagName = [tagName copy];
-		_attributes = [HTMLOrderedDictionary new];
+		_attributes = nil;
 		if (attributes != nil) {
+			_attributes = [HTMLOrderedDictionary new];
 			[_attributes addEntriesFromDictionary:attributes];
 		}
 		_htmlNamespace = htmlNamespace;
@@ -56,24 +57,33 @@
 
 #pragma mark - Special Attributes
 
+- (NSMutableDictionary<NSString *,NSString *> *)attributes
+{
+	if (_attributes == nil) {
+		_attributes = [HTMLOrderedDictionary new];
+	}
+
+	return _attributes;
+}
+
 - (NSString *)elementId
 {
-	return _attributes[@"id"] ?: @"";
+	return self.attributes[@"id"] ?: @"";
 }
 
 - (void)setElementId:(NSString *)elementId
 {
-	_attributes[@"id"] = elementId;
+	self.attributes[@"id"] = elementId;
 }
 
 - (NSString *)className
 {
-	return _attributes[@"class"] ?: @"";
+	return self.attributes[@"class"] ?: @"";
 }
 
 - (void)setClassName:(NSString *)className
 {
-	_attributes[@"class"] = className;
+	self.attributes[@"class"] = className;
 }
 
 - (HTMLDOMTokenList *)classList
@@ -85,22 +95,22 @@
 
 - (BOOL)hasAttribute:(NSString *)name
 {
-	return _attributes[name] != nil;
+	return self.attributes[name] != nil;
 }
 
 - (NSString *)objectForKeyedSubscript:(NSString *)name;
 {
-	return _attributes[name];
+	return self.attributes[name];
 }
 
 - (void)setObject:(NSString *)value forKeyedSubscript:(NSString *)attribute
 {
-	_attributes[attribute] = value;
+	self.attributes[attribute] = value;
 }
 
 - (void)removeAttribute:(NSString *)name
 {
-	[_attributes removeObjectForKey:name];
+	[self.attributes removeObjectForKey:name];
 }
 
 - (NSString *)textContent
@@ -134,7 +144,7 @@
 {
 	HTMLElement *copy = [super copyWithZone:zone];
 	copy->_tagName = [_tagName copy];
-	copy->_attributes = [_attributes copy];
+	copy->_attributes = [_attributes mutableCopy];
 	copy->_htmlNamespace = _htmlNamespace;
 	return copy;
 }
@@ -147,11 +157,10 @@
 
 	[result appendFormat:@"<%@", self.tagName];
 	[self.attributes enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *value, BOOL *stop) {
-		NSRange range = NSMakeRange(0, value.length);
 		NSMutableString *escaped = [value mutableCopy];
-		[escaped replaceOccurrencesOfString:@"&" withString:@"&amp;" options:0 range:range];
-		[escaped replaceOccurrencesOfString:@"\00A0" withString:@"&nbsp;" options:0 range:range];
-		[escaped replaceOccurrencesOfString:@"\"" withString:@"&quot;" options:0 range:range];
+		[escaped replaceOccurrencesOfString:@"&" withString:@"&amp;" options:0 range:NSMakeRange(0, escaped.length)];
+		[escaped replaceOccurrencesOfString:@"0x00A0" withString:@"&nbsp;" options:0 range:NSMakeRange(0, escaped.length)];
+		[escaped replaceOccurrencesOfString:@"\"" withString:@"&quot;" options:0 range:NSMakeRange(0, escaped.length)];
 
 		[result appendFormat:@" %@=\"%@\"", key, escaped];
 	}];

Sources/HTMLElementPolicy.h

@@ -0,0 +1,31 @@
+//
+//  HTMLElementPolicy.h
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "HTMLSanitizingPolicy.h"
+#import "HTMLOrderedDictionary.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NSString * _Nullable (^ SanitizeElementNameBlock) (NSString *);
+typedef HTMLOrderedDictionary * _Nullable (^ SanitizeElementAttributesBlock) (HTMLOrderedDictionary * _Nullable);
+
+@interface HTMLElementPolicy : NSObject
+
++ (instancetype)identity;
++ (instancetype)rejectAll;
++ (instancetype)policyWithNameBlock:(SanitizeElementNameBlock)nameBlock;
++ (instancetype)policyWithNameBlock:(SanitizeElementNameBlock)nameBlock
+					attributesBlock:(nullable SanitizeElementAttributesBlock)attributesBlock;
+
+- (NSString *)sanitizeName:(NSString *)name;
+- (HTMLOrderedDictionary *)sanitzeAttributes:(HTMLOrderedDictionary *)attributes;
+
+@end
+
+NS_ASSUME_NONNULL_END

Sources/HTMLElementPolicy.m

@@ -0,0 +1,73 @@
+//
+//  HTMLElementPolicy.m
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLElementPolicy.h"
+
+@interface HTMLElementPolicy()
+{
+	SanitizeElementNameBlock _nameBlock;
+	SanitizeElementAttributesBlock _attributesBlock;
+}
+@end
+
+@implementation HTMLElementPolicy
+
++ (instancetype)identity
+{
+	return [self policyWithNameBlock:^NSString * _Nullable (NSString * _Nonnull name) {
+		return name;
+	}];
+}
+
++ (instancetype)rejectAll
+{
+	return [self policyWithNameBlock:^NSString *_Nullable (NSString * _Nonnull name) {
+		return nil;
+	}];
+}
+
++ (instancetype)policyWithNameBlock:(NSString * _Nonnull (^)(NSString * _Nonnull))nameBlock
+{
+	return [self policyWithNameBlock:nameBlock attributesBlock:nil];
+}
+
++ (instancetype)policyWithNameBlock:(SanitizeElementNameBlock)nameBlock
+					attributesBlock:(SanitizeElementAttributesBlock)attributesBlock
+{
+	HTMLElementPolicy *policy = [[HTMLElementPolicy alloc] initWithNameBlock:nameBlock attributesBlock:attributesBlock];
+	return policy;
+}
+
+- (instancetype)initWithNameBlock:(SanitizeElementNameBlock)nameBlock
+				  attributesBlock:(SanitizeElementAttributesBlock)attributesBlock
+{
+	self = [super init];
+	if (self) {
+		_nameBlock = nameBlock;
+		_attributesBlock = attributesBlock;
+	}
+	return self;
+}
+
+- (NSString *)sanitizeName:(NSString *)name
+{
+	if (_nameBlock) {
+		return _nameBlock(name);
+	}
+	return name;
+}
+
+- (HTMLOrderedDictionary *)sanitzeAttributes:(HTMLOrderedDictionary *)attributes
+{
+	if (_attributesBlock) {
+		return _attributesBlock(attributes);
+	}
+	return attributes;
+}
+
+@end

Sources/HTMLInputStreamReader.m

@@ -48,10 +48,10 @@
 
 #pragma mark - Errors
 
-- (void)emitParseError:(NSString *)reason
+- (void)emitParseError:(NSString *)code details:(NSString *)details
 {
 	if (self.errorCallback) {
-		self.errorCallback(reason);
+		self.errorCallback(code, details);
 	}
 }
 
@@ -82,16 +82,16 @@
 		return LINE_FEED;
 	}
 	if (CFStringIsSurrogateLowCharacter(nextInputCharacter)) {
-		NSString *reason = [NSString stringWithFormat:@"Non-Unicode character found (an isolated low surrogate: 0x%X)", (unsigned int)nextInputCharacter];
-		[self emitParseError:reason];
+		NSString *details = [NSString stringWithFormat:@"Non-Unicode character found (an isolated low surrogate: 0x%X)", (unsigned int)nextInputCharacter];
+		[self emitParseError:@"surrogate-in-input-stream" details:details];
 		return nextInputCharacter;
 	}
 
 	if (CFStringIsSurrogateHighCharacter(nextInputCharacter)) {
 		UniChar surrogateLow = CFStringGetCharacterFromInlineBuffer(&_buffer, _location + 1);
 		if (CFStringIsSurrogateLowCharacter(surrogateLow) == NO) {
-			NSString *reason = [NSString stringWithFormat:@"Non-Unicode character found (an isolated high surrogate: 0x%X)", (unsigned int)nextInputCharacter];
-			[self emitParseError:reason];
+			NSString *details = [NSString stringWithFormat:@"Non-Unicode character found (an isolated high surrogate: 0x%X)", (unsigned int)nextInputCharacter];
+			[self emitParseError:@"surrogate-in-input-stream" details:details];
 			return nextInputCharacter;
 		}
 
@@ -99,9 +99,14 @@
 		nextInputCharacter = CFStringGetLongCharacterForSurrogatePair(nextInputCharacter, surrogateLow);
 	}
 
-	if (isControlOrUndefinedCharacter(nextInputCharacter)) {
-		NSString *reason = [NSString stringWithFormat:@"A control/undefined character found: (0x%X)", (unsigned int)nextInputCharacter];
-		[self emitParseError:reason];
+	if (isControlCharacter(nextInputCharacter)) {
+		NSString *details = [NSString stringWithFormat:@"A control character found: (0x%X)", (unsigned int)nextInputCharacter];
+		[self emitParseError:@"control-character-in-input-stream" details:details];
+	}
+
+	if (isNoncharacter(nextInputCharacter)) {
+		NSString *details = [NSString stringWithFormat:@"A noncharacter found: (0x%X)", (unsigned int)nextInputCharacter];
+		[self emitParseError:@"noncharacter-in-input-stream" details:details];
 	}
 
 	return nextInputCharacter;

Sources/HTMLKit-Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.0.3</string>
+	<string>2.1.4</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/HTMLListOfActiveFormattingElements.m

@@ -46,7 +46,7 @@
 - (void)addElement:(HTMLElement *)element
 {
 	NSUInteger existing = 0;
-	for (HTMLElement *node in _list.reverseObjectEnumerator.allObjects) {
+	for (HTMLElement *node in _list.reverseObjectEnumerator) {
 		if ([node isEqual:[HTMLMarker marker]]) {
 			break;
 		}

Sources/HTMLNode.m

@@ -19,6 +19,10 @@
 #import "HTMLDocument+Private.h"
 #import "HTMLDOMUtils.h"
 
+NSString * const ValidationNodePreInsertion = @"-ensurePreInsertionValidityOfNode:beforeChildNode:";
+NSString * const ValidationNodeReplacement = @"-ensureReplacementValidityOfChildNode:withNode:";
+NSString * const RemoveChildNode = @"-removeChildNode:";
+
 @interface HTMLNode ()
 {
 	NSMutableOrderedSet *_childNodes;
@@ -36,13 +40,22 @@
 	if (self) {
 		_name = name;
 		_nodeType = type;
-		_childNodes = [NSMutableOrderedSet new];
+		_childNodes = nil;
 	}
 	return self;
 }
 
 #pragma mark - Properties
 
+- (NSOrderedSet<HTMLNode *> *)childNodes
+{
+	if (_childNodes == nil) {
+		_childNodes = [NSMutableOrderedSet new];
+	}
+
+	return _childNodes;
+}
+
 - (HTMLDocument *)ownerDocument
 {
 	if (_nodeType == HTMLNodeDocument) {
@@ -55,7 +68,9 @@
 - (void)setOwnerDocument:(HTMLDocument *)ownerDocument
 {
 	_ownerDocument = ownerDocument;
-	[self.childNodes.array makeObjectsPerformSelector:@selector(setOwnerDocument:) withObject:ownerDocument];
+	for (HTMLNode *child in _childNodes) {
+		[child setOwnerDocument:ownerDocument];
+	}
 }
 
 - (HTMLNode *)rootNode
@@ -75,12 +90,12 @@
 
 - (HTMLNode *)firstChild
 {
-	return self.childNodes.firstObject;
+	return _childNodes.firstObject;
 }
 
 - (HTMLNode *)lastChild
 {
-	return self.childNodes.lastObject;
+	return _childNodes.lastObject;
 }
 
 - (HTMLNode *)previousSibling
@@ -112,7 +127,7 @@
 
 - (HTMLElement *)nextSiblingElement
 {
-	HTMLNode *node = self.previousSibling;
+	HTMLNode *node = self.nextSibling;
 	while (node && node.nodeType != HTMLNodeElement) {
 		node = node.nextSibling;
 	}
@@ -121,7 +136,7 @@
 
 - (NSUInteger)index
 {
-	return [self.parentNode indexOfChildNode:self];
+	return [_parentNode indexOfChildNode:self];
 }
 
 - (NSString *)textContent
@@ -145,12 +160,16 @@
 
 - (BOOL)hasChildNodes
 {
-	return self.childNodes.count > 0;
+	return _childNodes.count > 0;
 }
 
 - (BOOL)hasChildNodeOfType:(HTMLNodeType)type
 {
-	NSUInteger index = [self.childNodes indexOfObjectPassingTest:^BOOL(id obj, NSUInteger idx, BOOL *stop) {
+	if (_childNodes == nil) {
+		return NO;
+	}
+
+	NSUInteger index = [_childNodes indexOfObjectPassingTest:^BOOL(id obj, NSUInteger idx, BOOL *stop) {
 		if ([(HTMLNode *)obj nodeType] == type) {
 			*stop = YES;
 			return YES;
@@ -163,7 +182,7 @@
 
 - (NSUInteger)childNodesCount
 {
-	return self.childNodes.count;
+	return _childNodes.count;
 }
 
 - (BOOL)isEmpty
@@ -173,25 +192,25 @@
 
 - (HTMLNode *)childNodeAtIndex:(NSUInteger)index
 {
-	return [self.childNodes objectAtIndex:index];
+	return [_childNodes objectAtIndex:index];
 }
 
 - (NSUInteger)childElementsCount
 {
-	return [self.childNodes indexesOfObjectsPassingTest:^BOOL(HTMLNode *  _Nonnull node, NSUInteger idx, BOOL * _Nonnull stop) {
+	return [_childNodes indexesOfObjectsPassingTest:^BOOL(HTMLNode *  _Nonnull node, NSUInteger idx, BOOL * _Nonnull stop) {
 		return node.nodeType == HTMLNodeElement;
 	}].count;
 }
 
 - (NSUInteger)indexOfChildNode:(HTMLNode *)node
 {
-	return [self.childNodes indexOfObject:node];
+	return [_childNodes indexOfObject:node];
 }
 
 - (HTMLElement *)childElementAtIndex:(NSUInteger)index
 {
 	NSUInteger counter = 0;
-	for (HTMLNode *node in self.childNodes) {
+	for (HTMLNode *node in _childNodes) {
 		if (node.nodeType == HTMLNodeElement) {
 			if (counter == index) {
 				return node.asElement;
@@ -205,7 +224,7 @@
 - (NSUInteger)indexOfChildElement:(HTMLElement *)element
 {
 	NSUInteger counter = 0;
-	for (HTMLNode *node in self.childNodes) {
+	for (HTMLNode *node in _childNodes) {
 		if (node.nodeType == HTMLNodeElement) {
 			if (node == element) {
 				return counter;
@@ -262,7 +281,9 @@
 		[node removeAllChildNodes];
 	}
 
-	[nodes makeObjectsPerformSelector:@selector(setParentNode:) withObject:self];
+	for (HTMLNode *node in nodes) {
+		[node setParentNode:self];
+	}
 
 	return node;
 }
@@ -290,7 +311,7 @@
 
 - (void)removeFromParentNode
 {
-	[self.parentNode removeChildNode:self];
+	[_parentNode removeChildNode:self];
 }
 
 - (HTMLNode *)removeChildNode:(HTMLNode *)child
@@ -298,7 +319,7 @@
 	if (child.parentNode != self) {
 		[NSException raise:HTMLKitNotFoundError
 					format:@"%@: Not Fount Error, removing non-child node %@. The object can not be found here.",
-		 NSStringFromSelector(_cmd), child];
+		 RemoveChildNode, child];
 	}
 
 	HTMLNode *oldNode = child;
@@ -322,16 +343,18 @@
 
 - (void)reparentChildNodesIntoNode:(HTMLNode *)node
 {
-	for (HTMLNode *child in self.childNodes.array) {
+	for (HTMLNode *child in _childNodes) {
 		[node appendNode:child];
 	}
-	[(NSMutableOrderedSet *)self.childNodes removeAllObjects];
+	[(NSMutableOrderedSet *)_childNodes removeAllObjects];
 }
 
 - (void)removeAllChildNodes
 {
-	[self.childNodes.array makeObjectsPerformSelector:@selector(setParentNode:) withObject:nil];
-	[(NSMutableOrderedSet *)self.childNodes removeAllObjects];
+	for (HTMLNode *child in _childNodes) {
+		[child setParentNode:nil];
+	}
+	[(NSMutableOrderedSet *)_childNodes removeAllObjects];
 }
 
 - (HTMLDocumentPosition)compareDocumentPositionWithNode:(HTMLNode *)otherNode
@@ -402,7 +425,7 @@
 		return self.nodeType != HTMLNodeDocument && self.ownerDocument == otherNode;
 	}
 
-	for (HTMLNode *parentNode = self.parentNode; parentNode; parentNode = parentNode.parentNode) {
+	for (HTMLNode *parentNode = _parentNode; parentNode; parentNode = parentNode.parentNode) {
 		if (parentNode == otherNode) {
 			return YES;
 		}
@@ -424,7 +447,7 @@
 		return;
 	}
 
-	[self.childNodes enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+	[_childNodes enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
 		block(obj, idx, stop);
 	}];
 }
@@ -435,7 +458,7 @@
 		return;
 	}
 
-	[self.childNodes enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+	[_childNodes enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
 		if ([obj isKindOfClass:[HTMLElement class]]) {
 			block([obj asElement], idx, stop);
 		}
@@ -558,18 +581,18 @@ NS_INLINE void CheckInvalidCombination(HTMLNode *parent, HTMLNode *node, NSStrin
 
 - (void)ensurePreInsertionValidityOfNode:(HTMLNode *)node beforeChildNode:(HTMLNode *)child
 {
-	CheckParentValid(self, NSStringFromSelector(_cmd));
+	CheckParentValid(self, ValidationNodePreInsertion);
 
-	CheckChildsParent(self, child, NSStringFromSelector(_cmd));
+	CheckChildsParent(self, child, ValidationNodePreInsertion);
 
-	CheckInsertedNodeValid(node, NSStringFromSelector(_cmd));
+	CheckInsertedNodeValid(node, ValidationNodePreInsertion);
 
-	CheckInvalidCombination(self, node, NSStringFromSelector(_cmd));
+	CheckInvalidCombination(self, node, ValidationNodePreInsertion);
 
-	void (^ hierarchyError)() = ^{
+	void (^ hierarchyError)(void) = ^{
 		[NSException raise:HTMLKitHierarchyRequestError
 					format:@"%@: Hierarchy Request Error, inserting (%@) into (%@). The operation would yield an incorrect node tree.",
-		 NSStringFromSelector(_cmd), self, node];
+		 ValidationNodePreInsertion, self, node];
 	};
 
 	if (self.nodeType == HTMLNodeDocument) {
@@ -608,18 +631,18 @@ NS_INLINE void CheckInvalidCombination(HTMLNode *parent, HTMLNode *node, NSStrin
 
 - (void)ensureReplacementValidityOfChildNode:(HTMLNode *)child withNode:(HTMLNode *)node
 {
-	CheckParentValid(self, NSStringFromSelector(_cmd));
+	CheckParentValid(self, ValidationNodeReplacement);
 
-	CheckChildsParent(self, child, NSStringFromSelector(_cmd));
+	CheckChildsParent(self, child, ValidationNodeReplacement);
 
-	CheckInsertedNodeValid(node, NSStringFromSelector(_cmd));
+	CheckInsertedNodeValid(node, ValidationNodeReplacement);
 
-	CheckInvalidCombination(self, node, NSStringFromSelector(_cmd));
+	CheckInvalidCombination(self, node, ValidationNodeReplacement);
 
-	void (^ hierarchyError)() = ^{
+	void (^ hierarchyError)(void) = ^{
 		[NSException raise:HTMLKitHierarchyRequestError
 					format:@"%@: Hierarchy Request Error. The operation would yield an incorrect node tree.",
-		 NSStringFromSelector(_cmd)];
+		 ValidationNodeReplacement];
 	};
 
 	void (^ checkParentHasAnotherChildOfType)(HTMLNodeType) = ^ void (HTMLNodeType type) {
@@ -675,7 +698,7 @@ NS_INLINE void CheckInvalidCombination(HTMLNode *parent, HTMLNode *node, NSStrin
 	HTMLNode *copy = [self copy];
 
 	if (deep) {
-		for (HTMLNode *child in self.childNodes) {
+		for (HTMLNode *child in _childNodes) {
 			[copy appendNode:[child cloneNodeDeep:YES]];
 		}
 	}

Sources/HTMLNodeFilter.m

@@ -15,7 +15,7 @@
 
 @interface HTMLNodeFilterBlock ()
 {
-	BOOL (^ _block)(HTMLNode *);
+	HTMLNodeFilterValue (^ _block)(HTMLNode *);
 }
 @end
 

Sources/HTMLOrderedDictionary.m

@@ -154,4 +154,11 @@
 	return [_keys countByEnumeratingWithState:state objects:buffer count:len];
 }
 
+#pragma mark - Copying
+
+- (id)mutableCopy
+{
+	return [[HTMLOrderedDictionary alloc] initWithDictionary:self];
+}
+
 @end

Sources/HTMLParseErrorToken.m

@@ -10,29 +10,46 @@
 
 @interface HTMLParseErrorToken ()
 {
-	NSString *_reason;
+	NSString *_code;
+	NSString *_details;
 	NSUInteger _location;
 }
 @end
 
 @implementation HTMLParseErrorToken
-@synthesize reason = _reason;
+@synthesize code = _code;
+@synthesize details = _details;
 @synthesize location = _location;
 
-- (instancetype)initWithReasonMessage:(NSString *)reason andStreamLocation:(NSUInteger)location
+- (instancetype)initWithCode:(NSString *)code details:(NSString *)details location:(NSUInteger)location
 {
 	self = [super init];
 	if (self) {
 		self.type = HTMLTokenTypeParseError;
-		_reason = [reason copy];
+		_code = [code copy];
+		_details = [details copy];
 		_location = location;
 	}
 	return self;
 }
 
+- (BOOL)isEqual:(id)other
+{
+	if ([other isKindOfClass:[self class]]) {
+		HTMLParseErrorToken *token = (HTMLParseErrorToken *)other;
+		return bothNilOrEqual(self.code, token.code);
+	}
+	return NO;
+}
+
+- (NSUInteger)hash
+{
+	return self.code.hash + self.code.hash;
+}
+
 - (NSString *)description
 {
-	return [NSString stringWithFormat:@"<%@: %p Reason='%@' Location='%lu'>", self.class, self, _reason, (unsigned long)_location];
+	return [NSString stringWithFormat:@"<%@: %p Code='%@' Details='%@' Location='%lu'>", self.class, self, _code, _details, (unsigned long)_location];
 }
 
 @end

Sources/HTMLParser.m

@@ -73,6 +73,10 @@
 
 		_tokenizer = [[HTMLTokenizer alloc] initWithString:string ?: @""];
 		_tokenizer.parser = self;
+		__weak HTMLParser *weakSelf = self;
+		_tokenizer.parseErrorCallback = ^(HTMLParseErrorToken *token) {
+			[weakSelf emitParseError:@"Tokenization error: %@", token.asParseError];
+		};
 
 		_pendingTableCharacterTokens = [[HTMLCharacterToken alloc] initWithString:@""];
 
@@ -130,6 +134,10 @@
 	[self initializeDocument];
 	_tokenizer = [[HTMLTokenizer alloc] initWithString:_tokenizer.string];
 	_tokenizer.parser = self;
+	__weak HTMLParser *weakSelf = self;
+	_tokenizer.parseErrorCallback = ^(HTMLParseErrorToken *token) {
+		[weakSelf emitParseError:@"Tokenization error: %@", token.asParseError];
+	};
 
 	_contextElement = contextElement;
 	_fragmentParsingAlgorithm = YES;
@@ -226,11 +234,6 @@
 		return NO;
 	};
 
-	if (token.isParseError) {
-		[self emitParseError:@"Tokenizer Parser Error: %@", token.asParseError];
-		return;
-	}
-
 	if (_ignoreNextLineFeedCharacterToken) {
 		_ignoreNextLineFeedCharacterToken = NO;
 		if (token.isCharacterToken) {
@@ -1272,7 +1275,7 @@
 								  @"dd": @[@"dd", @"dt"],
 								  @"dt": @[@"dd", @"dt"]};
 
-		for (HTMLElement *node in _stackOfOpenElements.reverseObjectEnumerator.allObjects) {
+		for (HTMLElement *node in _stackOfOpenElements.reverseObjectEnumerator) {
 			if ([map[tagName] containsObject:node.tagName]) {
 				[self generateImpliedEndTagsExceptForElement:node.tagName];
 				if (![self.currentNode.tagName isEqualToString:node.tagName]) {
@@ -1440,7 +1443,6 @@
 	} else if ([tagName isEqualToString:@"math"]) {
 		[self reconstructActiveFormattingElements];
 		AdjustMathMLAttributes(token);
-		AdjustForeignAttributes(token);
 		[self insertForeignElementForToken:token inNamespace:HTMLNamespaceMathML];
 		if (token.isSelfClosing) {
 			[_stackOfOpenElements popCurrentNode];
@@ -1448,7 +1450,6 @@
 	} else if ([tagName isEqualToString:@"svg"]) {
 		[self reconstructActiveFormattingElements];
 		AdjustSVGAttributes(token);
-		AdjustForeignAttributes(token);
 		[self insertForeignElementForToken:token inNamespace:HTMLNamespaceSVG];
 		if (token.isSelfClosing) {
 			[_stackOfOpenElements popCurrentNode];
@@ -1529,7 +1530,7 @@
 		}
 		[self closePElement];
 	} else if ([tagName isEqualToString:@"li"]) {
-		if (![_stackOfOpenElements hasElementInListItemScopeWithTagName:@"li"]) {
+		if (![_stackOfOpenElements hasElementInListItemScopeWithTagName:tagName]) {
 			[self emitParseError:@"Unexpected <li> element in <body>"];
 			return;
 		}
@@ -1549,7 +1550,7 @@
 		}
 		[_stackOfOpenElements popElementsUntilElementPoppedWithTagName:tagName];
 	} else if ([tagName isEqualToAny:@"h1", @"h2", @"h3", @"h4", @"h5", @"h6", nil]) {
-		if (![_stackOfOpenElements hasAnyElementInScopeWithAnyOfTagNames:@[@"h1", @"h2", @"h3", @"h4", @"h5", @"h6"]]) {
+		if (![_stackOfOpenElements hasHeaderElementInScope]) {
 			[self emitParseError:@"Unexpected <%@> element in <body>", tagName];
 			return;
 		}
@@ -1569,7 +1570,7 @@
 			return;
 		}
 	} else if ([tagName isEqualToAny:@"applet", @"marquee", @"object", nil]) {
-		if (![_stackOfOpenElements hasAnyElementInScopeWithAnyOfTagNames:@[@"applet", @"marquee", @"object"]]) {
+		if (![_stackOfOpenElements hasElementInScopeWithTagName:tagName]) {
 			[self emitParseError:@"Unexpected <%@> element in <body>", tagName];
 			return;
 		}
@@ -1590,7 +1591,7 @@
 
 - (void)processAnyOtherEndTagTokenInBody:(HTMLTagToken *)token
 {
-	for (HTMLElement *node in _stackOfOpenElements.reverseObjectEnumerator.allObjects) {
+	for (HTMLElement *node in _stackOfOpenElements.reverseObjectEnumerator) {
 		if ([node.tagName isEqualToString:token.tagName]) {
 			[self generateImpliedEndTagsExceptForElement:token.tagName];
 			if (![node.tagName isEqualToString:self.currentNode.tagName]) {
@@ -2530,7 +2531,7 @@
 			return;
 		case HTMLTokenTypeStartTag:
 		{
-			void (^ anythingElse)() = ^ {
+			void (^ anythingElse)(void) = ^ {
 				if (self.adjustedCurrentNode.htmlNamespace == HTMLNamespaceMathML) {
 					AdjustMathMLAttributes(token.asTagToken);
 				}
@@ -2538,14 +2539,13 @@
 					AdjustSVGNameCase(token.asTagToken);
 					AdjustSVGAttributes(token.asTagToken);
 				}
-				AdjustForeignAttributes(token.asTagToken);
 				[self insertForeignElementForToken:token.asTagToken inNamespace:self.adjustedCurrentNode.htmlNamespace];
 				if (token.asTagToken.selfClosing) {
 					[_stackOfOpenElements popCurrentNode];
 				}
 			};
 
-			void (^ matchedCase)() = ^ {
+			void (^ matchedCase)(void) = ^ {
 				[self emitParseError:@"Unexpected start tag <%@> in foreign content", token.asTagToken.tagName];
 				if (_fragmentParsingAlgorithm) {
 					anythingElse();

Sources/HTMLRange.m

@@ -23,14 +23,28 @@
 
 #pragma mark - Lifecycle
 
+- (instancetype)initWithDocument:(HTMLDocument *)document
+{
+	return [self initWithDocument:document startContainer:document startOffset:0 endContainer:document endOffset:0];
+}
+
 - (instancetype)initWithDowcument:(HTMLDocument *)document
 {
-	return [self initWithDowcument:document startContainer:document startOffset:0 endContainer:document endOffset:0];
+	return [self initWithDocument:document startContainer:document startOffset:0 endContainer:document endOffset:0];
 }
 
 - (instancetype)initWithDowcument:(HTMLDocument *)document
 				   startContainer:(HTMLNode *)startContainer startOffset:(NSUInteger)startOffset
 					 endContainer:(HTMLNode *)endContainer endOffset:(NSUInteger)endOffset
+{
+	return [self initWithDocument:document
+				   startContainer:startContainer startOffset:startOffset
+					 endContainer:endContainer endOffset:endOffset];
+}
+
+- (instancetype)initWithDocument:(HTMLDocument *)document
+				  startContainer:(HTMLNode *)startContainer startOffset:(NSUInteger)startOffset
+					endContainer:(HTMLNode *)endContainer endOffset:(NSUInteger)endOffset
 {
 	self = [super init];
 	if (self) {
@@ -517,7 +531,7 @@ NS_INLINE HTMLCharacterData * CloneCharachterData(HTMLNode *node, NSUInteger sta
 		HTMLNode *clone = [firstPartiallyContainedChild copy];
 		[fragment appendNode:clone];
 
-		HTMLRange *subRange = [[HTMLRange alloc] initWithDowcument:_ownerDocument
+		HTMLRange *subRange = [[HTMLRange alloc] initWithDocument:_ownerDocument
 													startContainer:_startContainer
 													   startOffset:_startOffset
 													  endContainer:firstPartiallyContainedChild
@@ -537,7 +551,7 @@ NS_INLINE HTMLCharacterData * CloneCharachterData(HTMLNode *node, NSUInteger sta
 		HTMLNode *clone = [lastPartiallyContainedChild copy];
 		[fragment appendNode:clone];
 
-		HTMLRange *subRange = [[HTMLRange alloc] initWithDowcument:_ownerDocument
+		HTMLRange *subRange = [[HTMLRange alloc] initWithDocument:_ownerDocument
 													startContainer:lastPartiallyContainedChild
 													   startOffset:0
 													  endContainer:_endContainer
@@ -580,7 +594,7 @@ NS_INLINE HTMLCharacterData * CloneCharachterData(HTMLNode *node, NSUInteger sta
 		HTMLNode *clone = [firstPartiallyContainedChild copy];
 		[fragment appendNode:clone];
 
-		HTMLRange *subRange = [[HTMLRange alloc] initWithDowcument:_ownerDocument
+		HTMLRange *subRange = [[HTMLRange alloc] initWithDocument:_ownerDocument
 													startContainer:_startContainer
 													   startOffset:_startOffset
 													  endContainer:firstPartiallyContainedChild
@@ -601,7 +615,7 @@ NS_INLINE HTMLCharacterData * CloneCharachterData(HTMLNode *node, NSUInteger sta
 		HTMLNode *clone = [lastPartiallyContainedChild copy];
 		[fragment appendNode:clone];
 
-		HTMLRange *subRange = [[HTMLRange alloc] initWithDowcument:_ownerDocument
+		HTMLRange *subRange = [[HTMLRange alloc] initWithDocument:_ownerDocument
 													startContainer:lastPartiallyContainedChild
 													   startOffset:0
 													  endContainer:_endContainer

Sources/HTMLSanitizer.h

@@ -0,0 +1,21 @@
+//
+//  HTMLSanitizer.h
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "HTMLSanitizingPolicyBuilder.h"
+#import "HTMLSanitizingPolicy.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface HTMLSanitizer : NSObject
+
++ (instancetype)sanitizerWithPolicy:(void (^)(HTMLSanitizingPolicyBuilder *))block;
+
+@end
+
+NS_ASSUME_NONNULL_END

Sources/HTMLSanitizer.m

@@ -0,0 +1,45 @@
+//
+//  HTMLSanitizer.m
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLSanitizer.h"
+#import "HTMLTokenizer.h"
+#import "HTMLTokens.h"
+
+@interface HTMLSanitizer()
+{
+	HTMLTokenizer *_tokenizer;
+}
+
+@end
+
+@implementation HTMLSanitizer
+
++ (instancetype)sanitizerWithPolicy:(void (^)(HTMLSanitizingPolicyBuilder *))block
+{
+	HTMLSanitizingPolicyBuilder *builder = [HTMLSanitizingPolicyBuilder new];
+	block(builder);
+	return nil; //[[HTMLSanitizingPolicy alloc] initWithBuilder:builder];
+}
+
+- (instancetype)initWithString:(NSString *)string
+{
+	self = [super init];
+	if (self) {
+		_tokenizer = [[HTMLTokenizer alloc] initWithString:string ?: @""];
+	}
+	return self;
+}
+
+- (void)sanitize
+{
+//	for (HTMLToken *token in _tokenizer) {
+//		
+//	}
+}
+
+@end

Sources/HTMLSanitizingPolicy.h

@@ -0,0 +1,20 @@
+//
+//  HTMLSanitizingPolicy.h
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface HTMLSanitizingPolicy : NSObject
+
+- (HTMLSanitizingPolicy *)combineWith:(nullable HTMLSanitizingPolicy *)other;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

Sources/HTMLSanitizingPolicy.m

@@ -0,0 +1,36 @@
+//
+//  HTMLSanitizingPolicy.m
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLSanitizingPolicy.h"
+
+@interface HTMLSanitizingPolicy()
+{
+	NSMutableArray *_policies;
+}
+@end
+
+@implementation HTMLSanitizingPolicy
+
+- (instancetype)init
+{
+	self = [super init];
+	if (self) {
+		_policies = [NSMutableArray new];
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicy *)combineWith:(HTMLSanitizingPolicy *)other
+{
+	if (other) {
+		[_policies addObject:other];
+	}
+	return self;
+}
+
+@end

Sources/HTMLSanitizingPolicyBuilder.h

@@ -0,0 +1,39 @@
+//
+//  HTMLSanitizingPolicyBuilder.h
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "HTMLElementPolicy.h"
+#import "HTMLTokenPolicy.h"
+#import "HTMLAttributePolicy.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface HTMLSanitizingPolicyBuilder : NSObject
+
+- (HTMLSanitizingPolicyBuilder *)allowElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)disallowElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)allowPolicy:(HTMLElementPolicy *)policy onElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)allowCommonInlineFormattingElements;
+- (HTMLSanitizingPolicyBuilder *)allowCommonBlockElements;
+- (HTMLSanitizingPolicyBuilder *)allowTextInElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)disallowTextInElements:(NSArray<NSString *> *)elementNames;
+
+//- (HTMLSanitizingPolicyBuilder *)allowAttributes:(NSArray<NSString *> *)attributeName
+//									  onElements:(NSArray<NSString *> *)elementNames;
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributes:(NSArray<NSString *> *)attributeName
+//										 onElements:(NSArray<NSString *> *)elementNames;
+//
+//- (HTMLSanitizingPolicyBuilder *)allowAttributePolicy:(HTMLAttributePolicy *)policy
+//										   onElements:(NSArray<NSString *> *)elementNames;
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributePolicy:(HTMLAttributePolicy *)policy
+//											  onElements:(NSArray<NSString *> *)elementNames;
+
+@end
+
+NS_ASSUME_NONNULL_END

Sources/HTMLSanitizingPolicyBuilder.m

@@ -0,0 +1,94 @@
+//
+//  HTMLSanitizingPolicyBuilder.m
+//  HTMLKit
+//
+//  Created by Iska on 26.05.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLSanitizingPolicyBuilder.h"
+
+@interface HTMLSanitizingPolicyBuilder()
+{
+	NSMutableDictionary<NSString *, NSMutableArray<HTMLElementPolicy *> *> * elementPolicies;
+	NSMutableDictionary<NSString *, HTMLAttributePolicy *> * attributePolicies;
+	NSMutableDictionary<NSString *, NSNumber *> * textContainers;
+}
+@end
+
+@implementation HTMLSanitizingPolicyBuilder
+
+- (HTMLSanitizingPolicyBuilder *)allowElements:(NSArray<NSString *> *)elementNames
+{
+	return [self allowPolicy:HTMLElementPolicy.identity onElements:elementNames];
+}
+
+- (HTMLSanitizingPolicyBuilder *)disallowElements:(NSArray<NSString *> *)elementNames
+{
+	return [self allowPolicy:HTMLElementPolicy.rejectAll onElements:elementNames];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowPolicy:(HTMLElementPolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+{
+	for (NSString *name in elementNames) {
+		NSMutableArray<HTMLElementPolicy *> *list = elementPolicies[name];
+		if (list == nil) {
+			list = [NSMutableArray new];
+		}
+		[list addObject:policy];
+		elementPolicies[name] = list;
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowCommonInlineFormattingElements
+{
+	return [self allowElements:@[@"b", @"i", @"font", @"s", @"u", @"o", @"sup", @"sub", @"ins", @"del",
+								 @"strong", @"strike", @"tt", @"code", @"big", @"small", @"br", @"span", @"em"]];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowCommonBlockElements
+{
+	return [self allowElements:@[@"p", @"div", @"h1", @"h2", @"h3", @"h4", @"h5", @"h6", @"ul", @"ol", @"li",
+								 @"blockquote"]];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowTextInElements:(NSArray<NSString *> *)elementNames;
+{
+	for (NSString *name in elementNames) {
+		textContainers[name] = @YES;
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicyBuilder *)disallowTextInElements:(NSArray<NSString *> *)elementNames
+{
+	for (NSString *name in elementNames) {
+		textContainers[name] = @NO;
+	}
+	return self;
+}
+
+//- (HTMLSanitizingPolicyBuilder *)allowAttributes:(NSArray<NSString *> *)attributeNames
+//									  onElements:(NSArray<NSString *> *)elementNames
+//{
+//	for (NSString *attribute in attributeNames) {
+//		[self allowAttributePolicy:HTMLAttributePolicy.identity onElements:elementNames];
+//	}
+//	return self;
+//}
+//
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributes:(NSArray<NSString *> *)attributeName
+//										 onElements:(NSArray<NSString *> *)elementNames;
+//
+//- (HTMLSanitizingPolicyBuilder *)allowAttributePolicy:(HTMLAttributePolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+//{
+//	return self;
+//}
+//
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributePolicy:(HTMLAttributePolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+//{
+//	return self;
+//}
+
+@end

Sources/HTMLStackOfOpenElements.m

@@ -14,7 +14,6 @@
 @interface HTMLStackOfOpenElements ()
 {
 	NSMutableArray *_stack;
-	NSDictionary *_specificScopeElementTypes;
 }
 @end
 
@@ -27,26 +26,6 @@
 	self = [super init];
 	if (self) {
 		_stack = [NSMutableArray new];
-		_specificScopeElementTypes = @{
-									   @"applet": @(HTMLNamespaceHTML),
-									   @"caption": @(HTMLNamespaceHTML),
-									   @"html": @(HTMLNamespaceHTML),
-									   @"table": @(HTMLNamespaceHTML),
-									   @"td": @(HTMLNamespaceHTML),
-									   @"th": @(HTMLNamespaceHTML),
-									   @"marquee": @(HTMLNamespaceHTML),
-									   @"object": @(HTMLNamespaceHTML),
-									   @"template": @(HTMLNamespaceHTML),
-									   @"mi": @(HTMLNamespaceMathML),
-									   @"mo": @(HTMLNamespaceMathML),
-									   @"mn": @(HTMLNamespaceMathML),
-									   @"ms": @(HTMLNamespaceMathML),
-									   @"mtext": @(HTMLNamespaceMathML),
-									   @"annotation-xml": @(HTMLNamespaceMathML),
-									   @"foreignObject": @(HTMLNamespaceSVG),
-									   @"desc": @(HTMLNamespaceSVG),
-									   @"title": @(HTMLNamespaceSVG)
-									   };
 	}
 	return self;
 }
@@ -195,82 +174,148 @@
 
 #pragma mark - Element Scope
 
+NS_INLINE BOOL IsSpecificScopeElement(HTMLElement *element)
+{
+	switch (element.htmlNamespace) {
+		case HTMLNamespaceHTML:
+			return [element.tagName isEqualToAny:@"applet", @"caption", @"html", @"table", @"td", @"th", @"marquee", @"object", @"template", nil];
+		case HTMLNamespaceMathML:
+			return [element.tagName isEqualToAny:@"mi", @"mo", @"mn", @"ms", @"mtext", @"annotation-xml", nil];
+		case HTMLNamespaceSVG:
+			return [element.tagName isEqualToAny:@"foreignObject", @"desc", @"title", nil];
+	}
+}
+
+NS_INLINE BOOL IsHeaderElement(HTMLElement *element)
+{
+	if (element.htmlNamespace != HTMLNamespaceHTML) {
+		return NO;
+	}
+
+	return [element.tagName isEqualToAny:@"h1", @"h2", @"h3", @"h4", @"h5", @"h6", nil];
+}
+
+NS_INLINE BOOL IsTableScopeElement(HTMLElement *element)
+{
+	if (element.htmlNamespace != HTMLNamespaceHTML) {
+		return NO;
+	}
+
+	return [element.tagName isEqualToAny:@"html", @"table", @"template", nil];
+}
+
+NS_INLINE BOOL IsListItemScopeElement(HTMLElement *element)
+{
+	if (element.htmlNamespace != HTMLNamespaceHTML) {
+		return NO;
+	}
+
+	return [element.tagName isEqualToAny:@"ol", @"ul", nil];
+}
+
+NS_INLINE BOOL IsSelectScopeElement(HTMLElement *element)
+{
+	if (element.htmlNamespace != HTMLNamespaceHTML) {
+		return NO;
+	}
+
+	return ![element.tagName isEqualToString:@"optgroup"] && ![element.tagName isEqualToString:@"option"];
+}
+
+NS_INLINE BOOL IsButtonScopeElement(HTMLElement *element)
+{
+	if (element.htmlNamespace != HTMLNamespaceHTML) {
+		return NO;
+	}
+
+	return [element.tagName isEqualToString:@"button"];
+}
+
 - (HTMLElement *)hasElementInScopeWithTagName:(NSString *)tagName;
-{
-	return [self hasAnyElementInSpecificScopeWithTagNames:@[tagName] andElementTypes:_specificScopeElementTypes];
-}
-
-- (HTMLElement *)hasAnyElementInScopeWithAnyOfTagNames:(NSArray *)tagNames
-{
-	return [self hasAnyElementInSpecificScopeWithTagNames:tagNames andElementTypes:_specificScopeElementTypes];
-}
-
-- (HTMLElement *)hasElementInListItemScopeWithTagName:(NSString *)tagName
-{
-	NSMutableDictionary *elementTypes = [NSMutableDictionary dictionaryWithDictionary:_specificScopeElementTypes];
-	[elementTypes addEntriesFromDictionary:@{@"ol": @(HTMLNamespaceHTML),
-											 @"ul": @(HTMLNamespaceHTML)}];
-
-	return [self hasElementInSpecificScopeWithTagName:tagName
-									  andElementTypes:elementTypes];
-}
-
-- (HTMLElement *)hasElementInButtonScopeWithTagName:(NSString *)tagName
-{
-	NSMutableDictionary *elementTypes = [NSMutableDictionary dictionaryWithDictionary:_specificScopeElementTypes];
-	[elementTypes addEntriesFromDictionary:@{@"button": @(HTMLNamespaceHTML)}];
-
-	return [self hasElementInSpecificScopeWithTagName:tagName
-									  andElementTypes:elementTypes];
-}
-
-- (HTMLElement *)hasElementInTableScopeWithTagName:(NSString *)tagName
-{
-	return [self hasElementInSpecificScopeWithTagName:tagName
-									  andElementTypes:@{@"html": @(HTMLNamespaceHTML),
-														@"table": @(HTMLNamespaceHTML),
-														@"template": @(HTMLNamespaceHTML)}];
-}
-
-- (HTMLElement *)hasElementInTableScopeWithAnyOfTagNames:(NSArray *)tagNames
-{
-	return [self hasAnyElementInSpecificScopeWithTagNames:tagNames
-										  andElementTypes:@{@"html": @(HTMLNamespaceHTML),
-															@"table": @(HTMLNamespaceHTML),
-															@"template": @(HTMLNamespaceHTML)}];
-}
-
-- (HTMLElement *)hasElementInSelectScopeWithTagName:(NSString *)tagName
 {
 	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
-		if ([node.tagName isEqualToString:tagName]) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagName isEqualToString:node.tagName]) {
 			return node;
 		}
-		if (!(node.htmlNamespace == HTMLNamespaceHTML &&
-			  [node.tagName isEqualToAny:@"optgroup", @"option", nil])) {
+		if (IsSpecificScopeElement(node)) {
 			return nil;
 		}
 	}
 	return nil;
 }
 
-- (HTMLElement *)hasElementInSpecificScopeWithTagName:(NSString *)tagName
-									  andElementTypes:(NSDictionary *)elementTypes
-{
-	return [self hasAnyElementInSpecificScopeWithTagNames:@[tagName] andElementTypes:elementTypes];
-}
-
-- (HTMLElement *)hasAnyElementInSpecificScopeWithTagNames:(NSArray *)tagNames
-										  andElementTypes:(NSDictionary *)elementTypes
+- (HTMLElement *)hasHeaderElementInScope
 {
 	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
-		if ([tagNames containsObject:node.tagName]) {
-			NSNumber *namespace = elementTypes[node.tagName] ?: @(HTMLNamespaceHTML);
-			if ([namespace isEqual:@(node.htmlNamespace)]) {
-				return node;
-			}
+		if (IsHeaderElement(node)) {
+			return node;
 		}
-		if ([elementTypes[node.tagName] isEqual:@(node.htmlNamespace)]) {
+		if (IsSpecificScopeElement(node)) {
+			return nil;
+		}
+	}
+	return nil;
+}
+
+- (HTMLElement *)hasElementInTableScopeWithTagName:(NSString *)tagName
+{
+	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagName isEqualToString:node.tagName]) {
+			return node;
+		}
+		if (IsTableScopeElement(node)) {
+			return nil;
+		}
+	}
+	return nil;
+}
+
+- (HTMLElement *)hasElementInTableScopeWithAnyOfTagNames:(NSArray *)tagNames
+{
+	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagNames containsObject:node.tagName]) {
+			return node;
+		}
+		if (IsTableScopeElement(node)) {
+			return nil;
+		}
+	}
+	return nil;
+}
+
+- (HTMLElement *)hasElementInListItemScopeWithTagName:(NSString *)tagName
+{
+	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagName isEqualToString:node.tagName]) {
+			return node;
+		}
+		if (IsSpecificScopeElement(node) || IsListItemScopeElement(node)) {
+			return nil;
+		}
+	}
+	return nil;
+}
+
+- (HTMLElement *)hasElementInButtonScopeWithTagName:(NSString *)tagName
+{
+	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagName isEqualToString:node.tagName]) {
+			return node;
+		}
+		if (IsSpecificScopeElement(node) || IsButtonScopeElement(node)) {
+			return nil;
+		}
+	}
+	return nil;
+}
+
+- (HTMLElement *)hasElementInSelectScopeWithTagName:(NSString *)tagName
+{
+	for (HTMLElement *node in _stack.reverseObjectEnumerator) {
+		if (node.htmlNamespace == HTMLNamespaceHTML && [tagName isEqualToString:node.tagName]) {
+			return node;
+		}
+		if (IsSelectScopeElement(node)) {
 			return nil;
 		}
 	}

Sources/HTMLText.m

@@ -74,12 +74,11 @@ NS_INLINE void CheckValidOffset(HTMLNode *node, NSUInteger offset, NSString *cmd
 		 @"plaintext", @"noscript", nil]) {
 		return self.data;
 	} else {
-		NSRange range = NSMakeRange(0, self.data.length);
 		NSMutableString *escaped = [self.data mutableCopy];
-		[escaped replaceOccurrencesOfString:@"&" withString:@"&" options:0 range:range];
-		[escaped replaceOccurrencesOfString:@"\00A0" withString:@" " options:0 range:range];
-		[escaped replaceOccurrencesOfString:@"<" withString:@"&lt;" options:0 range:range];
-		[escaped replaceOccurrencesOfString:@">" withString:@"&gt;" options:0 range:range];
+		[escaped replaceOccurrencesOfString:@"&" withString:@"&amp;" options:0 range:NSMakeRange(0, escaped.length)];
+		[escaped replaceOccurrencesOfString:@"\00A0" withString:@"&nbsp;" options:0 range:NSMakeRange(0, escaped.length)];
+		[escaped replaceOccurrencesOfString:@"<" withString:@"&lt;" options:0 range:NSMakeRange(0, escaped.length)];
+		[escaped replaceOccurrencesOfString:@">" withString:@"&gt;" options:0 range:NSMakeRange(0, escaped.length)];
 		return escaped;
 	}
 }

Sources/HTMLTokenPolicy.h

@@ -0,0 +1,22 @@
+//
+//  HTMLTokenPolicy.h
+//  HTMLKit
+//
+//  Created by Iska on 01.06.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "HTMLTokens.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface HTMLTokenPolicy : NSObject
+
++ (instancetype)policy:(HTMLToken * _Nullable (^)(HTMLToken *))block;
+
+- (nullable HTMLToken *)apply:(HTMLToken *)token;
+
+@end
+
+NS_ASSUME_NONNULL_END

Sources/HTMLTokenPolicy.m

@@ -0,0 +1,38 @@
+//
+//  HTMLTokenPolicy.m
+//  HTMLKit
+//
+//  Created by Iska on 01.06.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import "HTMLTokenPolicy.h"
+
+@interface HTMLTokenPolicy()
+{
+	HTMLToken * (^ _policyBlock)(HTMLToken *);
+}
+@end
+
+@implementation HTMLTokenPolicy
+
++ (instancetype)policy:(HTMLToken * _Nullable (^)(HTMLToken * _Nonnull))block
+{
+	return [[HTMLTokenPolicy alloc] initWithBlock:block];
+}
+
+- (instancetype)initWithBlock:(HTMLToken * _Nullable (^)(HTMLToken * _Nonnull))block
+{
+	self = [super init];
+	if (self) {
+		_policyBlock = block;
+	}
+	return self;
+}
+
+- (HTMLToken *)apply:(HTMLToken *)token
+{
+	return _policyBlock(token);
+}
+
+@end

Sources/NSString+HTMLKit.m

@@ -58,4 +58,15 @@ NS_INLINE BOOL isHtmlWhitespaceChar(unichar c)
 	return idx;
 }
 
+- (NSString *)stringByEscapingForHTML
+{
+	NSMutableString *escaped = [self mutableCopy];
+	[escaped replaceOccurrencesOfString:@"&" withString:@"&" options:0 range:NSMakeRange(0, escaped.length)];
+	[escaped replaceOccurrencesOfString:@"0x00A0" withString:@" " options:0 range:NSMakeRange(0, escaped.length)];
+	[escaped replaceOccurrencesOfString:@"\"" withString:@""" options:0 range:NSMakeRange(0, escaped.length)];
+	[escaped replaceOccurrencesOfString:@"<" withString:@"&lt;" options:0 range:NSMakeRange(0, escaped.length)];
+	[escaped replaceOccurrencesOfString:@">" withString:@"&gt;" options:0 range:NSMakeRange(0, escaped.length)];
+	return escaped;
+}
+
 @end

Sources/include/CSSPseudoFunctionSelector.h

@@ -26,7 +26,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Initializes and returns a CSS has-descendant selector, e.g. 'div:has(p)'
 
- @discussion 'div:has(p)' matches all <div> elements which have a descendant <p> element.
+ @discussion 'div:has(p)' matches all &lt;div&gt; elements which have a descendant &lt;p&gt; element.
 
  @param selector The selector matching a descendant element.
  @return A new instance of the has-descendant selector.

Sources/include/CSSSelector.h

@@ -76,7 +76,7 @@ extern NSString * _Nonnull NSStringFromNthExpression(CSSNthExpression expression
  @param string The selector string which will be parsed.
  @return A new instance of a parsed CSS Selector, `nil` if the string is not a valid selector string.
  */
-+ (nullable instancetype)selectorWithString:(NSString *)stirng;
++ (nullable instancetype)selectorWithString:(NSString *)string;
 
 /**
  Implementations should override this method to provide the selector-sprecific logic for matching elements.

Sources/include/CSSSelectors.h

@@ -26,7 +26,7 @@ NS_ASSUME_NONNULL_BEGIN
 
  @return The universal CSS selector.
  */
-extern CSSSelector * universalSelector();
+extern CSSSelector * universalSelector(void);
 
 /**
  CSS type selector, e.g. 'div', 'p', ...etc.
@@ -125,7 +125,7 @@ extern CSSSelector * nthLastOfTypeSelector(CSSNthExpression expression);
 
  @return Odd-Child selector.
  */
-extern CSSSelector * oddSelector();
+extern CSSSelector * oddSelector(void);
 
 /**
  CSS even-child selector: ':nth-child(even)'
@@ -134,49 +134,49 @@ extern CSSSelector * oddSelector();
 
  @return Even-Child selector.
  */
-extern CSSSelector * evenSlector();
+extern CSSSelector * evenSlector(void);
 
 /**
  CSS first-child selector: ':nth-child(1)'
 
  @return First-Child selector.
  */
-extern CSSSelector * firstChildSelector();
+extern CSSSelector * firstChildSelector(void);
 
 /**
  CSS first-child selector: ':nth-last-child(1)'
 
  @return First-Child selector.
  */
-extern CSSSelector * lastChildSelector();
+extern CSSSelector * lastChildSelector(void);
 
 /**
  CSS first-of-type selector: ':nth-first-of-type(1)'
 
  @return First-Of-Type selector.
  */
-extern CSSSelector * firstOfTypeSelector();
+extern CSSSelector * firstOfTypeSelector(void);
 
 /**
  CSS last-of-type selector: ':nth-last-of-type(1)'
 
  @return Last-Of-Type selector.
  */
-extern CSSSelector * lastOfTypeSelector();
+extern CSSSelector * lastOfTypeSelector(void);
 
 /**
  CSS only-child selector: ':first-child:last-child'
 
  @return Only-Child selector.
  */
-extern CSSSelector * onlyChildSelector();
+extern CSSSelector * onlyChildSelector(void);
 
 /**
  CSS only-of-type selector: ':first-of-type:last-of-type'
 
  @return Only-Of-Type selector.
  */
-extern CSSSelector * onlyOfTypeSelector();
+extern CSSSelector * onlyOfTypeSelector(void);
 
 #pragma mark - Combinators
 
@@ -225,7 +225,7 @@ extern CSSSelector * not(CSSSelector *selector);
 /**
  CSS has-descendant selector, e.g. 'div:has(p)'
 
- @discussion 'div:has(p)' matches all <div> elements which have a descendant <p> element.
+ @discussion 'div:has(p)' matches all &lt;div&gt; elements which have a descendant &lt;p&gt; element.
 
  @param selector The selector matching a descendant element.
  @return A has-descendant selector.

Sources/include/CSSStructuralPseudoSelectors.h

@@ -15,102 +15,102 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  @return Root element selector: ':root'
  */
-extern CSSSelector * rootSelector();
+extern CSSSelector * rootSelector(void);
 
 /**
  @return Empy element selector: ':empty'
  */
-extern CSSSelector * emptySelector();
+extern CSSSelector * emptySelector(void);
 
 /**
  @return A parent element selector: ':parent'
  */
-extern CSSSelector * parentSelector();
+extern CSSSelector * parentSelector(void);
 
 /**
  @return A button element selector: ':button'
  */
-extern CSSSelector * buttonSelector();
+extern CSSSelector * buttonSelector(void);
 
 /**
  @return A checkbox element selector: ':checkbox'
  */
-extern CSSSelector * checkboxSelector();
+extern CSSSelector * checkboxSelector(void);
 
 /**
  @return A file element selector: ':file'
  */
-extern CSSSelector * fileSelector();
+extern CSSSelector * fileSelector(void);
 
 /**
  @return A header element selector: ':header'
  */
-extern CSSSelector * headerSelector();
+extern CSSSelector * headerSelector(void);
 
 /**
  @return An image element selector: ':image'
  */
-extern CSSSelector * imageSelector();
+extern CSSSelector * imageSelector(void);
 
 /**
  @return A parent element selector: ':parent'
  */
-extern CSSSelector * inputSelector();
+extern CSSSelector * inputSelector(void);
 
 /**
  @return A link element selector: ':link'
  */
-extern CSSSelector * linkSelector();
+extern CSSSelector * linkSelector(void);
 
 /**
  @return A password element selector: ':password'
  */
-extern CSSSelector * passwordSelector();
+extern CSSSelector * passwordSelector(void);
 
 /**
  @return A radio element selector: ':radio'
  */
-extern CSSSelector * radioSelector();
+extern CSSSelector * radioSelector(void);
 
 /**
  @return A reset element selector: ':reset'
  */
-extern CSSSelector * resetSelector();
+extern CSSSelector * resetSelector(void);
 
 /**
  @return A submit element selector: ':submit'
  */
-extern CSSSelector * submitSelector();
+extern CSSSelector * submitSelector(void);
 
 /**
  @return A text element selector: ':text'
  */
-extern CSSSelector * textSelector();
+extern CSSSelector * textSelector(void);
 
 /**
  @return An enabled element selector: ':enabled'
  */
-extern CSSSelector * enabledSelector();
+extern CSSSelector * enabledSelector(void);
 
 /**
  @return A disabled element selector: ':disabled'
  */
-extern CSSSelector * disabledSelector();
+extern CSSSelector * disabledSelector(void);
 
 /**
  @return A checked element selector: ':checked'
  */
-extern CSSSelector * checkedSelector();
+extern CSSSelector * checkedSelector(void);
 
 /**
  @return An optional element selector: ':optional'
  */
-extern CSSSelector * optionalSelector();
+extern CSSSelector * optionalSelector(void);
 
 /**
  @return A required element selector: ':required'
  */
-extern CSSSelector * requiredSelector();
+extern CSSSelector * requiredSelector(void);
 
 /**
  Less-than selector, e.g. 'lt(2)'

Sources/include/HTMLCharacterToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 

Sources/include/HTMLCommentToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
@@ -24,7 +20,7 @@
 /**
  Initializes a new comment token.
 
- @param string The string with which to initialize the token.
+ @param data The string with which to initialize the token.
  @return A new instance of a comment token.
  */
 - (instancetype)initWithData:(NSString *)data;

Sources/include/HTMLDOCTYPEToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 

Sources/include/HTMLDOM.h

@@ -24,3 +24,5 @@
 #import "HTMLKitDOMExceptions.h"
 #import "HTMLNamespaces.h"
 #import "HTMLQuirksMode.h"
+
+#import "HTMLOrderedDictionary.h"

Sources/include/HTMLEOFToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2015 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import "HTMLToken.h"
 
 /**

Sources/include/HTMLElement.h

@@ -63,7 +63,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Initializes a new HTML element with the given tag name.
  
- @param tagname The tag name.
+ @param tagName The tag name.
  @return A new HTML element.
  */
 - (instancetype)initWithTagName:(NSString *)tagName;
@@ -71,21 +71,21 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Initializes a new HTML element with the given tag name and attributes.
 
- @param tagname The tag name.
+ @param tagName The tag name.
  @param attributes The attributes.
  @return A new HTML element.
  */
-- (instancetype)initWithTagName:(NSString *)tagName attributes:(NSDictionary<NSString *, NSString *> *)attributes;
+- (instancetype)initWithTagName:(NSString *)tagName attributes:(nullable NSDictionary<NSString *, NSString *> *)attributes;
 
 /**
  Initializes a new HTML element with the given tag name, namespace, and attributes.
 
- @param tagname The tag name.
- @param namespace The namespace.
+ @param tagName The tag name.
+ @param htmlNamespace The HTML namespace.
  @param attributes The attributes.
  @return A new HTML element.
  */
-- (instancetype)initWithTagName:(NSString *)tagName namespace:(HTMLNamespace)htmlNamespace attributes:(NSDictionary<NSString *, NSString *> *)attributes;
+- (instancetype)initWithTagName:(NSString *)tagName namespace:(HTMLNamespace)htmlNamespace attributes:(nullable NSDictionary<NSString *, NSString *> *)attributes;
 
 /**
  Checks whether this element has an attribute with the given name.
@@ -107,7 +107,7 @@ NS_ASSUME_NONNULL_BEGIN
  Set the value of the attribute with the given name.
 
  @param value The value to set.
- @param name The attribute's name.
+ @param attribute The attribute's name.
  */
 - (void)setObject:(NSString *)value forKeyedSubscript:(NSString *)attribute;
 

Sources/include/HTMLElementAdjustment.h

@@ -140,31 +140,3 @@ NS_INLINE void AdjustSVGNameCase(HTMLTagToken *token)
 	NSString *replacement = replacements[token.tagName] ?: token.tagName;
 	token.tagName = replacement;
 }
-
-NS_INLINE void AdjustForeignAttributes(HTMLTagToken *token)
-{
-	if (token.attributes == nil) {
-		return;
-	}
-
-	NSDictionary *replacements = @{ @"xlink:actuate": @"xlink actuate",
-									@"xlink:arcrole": @"xlink arcrole",
-									@"xlink:href": @"xlink href",
-									@"xlink:role": @"xlink role",
-									@"xlink:show": @"xlink show",
-									@"xlink:title": @"xlink title",
-									@"xlink:type": @"xlink type",
-									@"xml:base": @"xml base",
-									@"xml:lang": @"xml lang",
-									@"xml:space": @"xml space",
-									@"xmlns": @"xmlns",
-									@"xmlns:xlink": @"xmlns xlink"};
-
-	HTMLOrderedDictionary *adjusted = [HTMLOrderedDictionary new];
-	for (id key in token.attributes) {
-		NSString *replacement = replacements[key] ?: key;
-		adjusted[replacement] = token.attributes[key];
-	}
-	token.attributes = adjusted;
-}
-

Sources/include/HTMLInputStreamReader.h

@@ -15,9 +15,10 @@
 /** 
  Typedef for the error callback block.
 
- @param reason The string describing the reason of the reported error.
+ @param code The standarized error-code
+ @param details The string describing the reason of the reported error.
  */
-typedef void (^ HTMLStreamReaderErrorCallback)(NSString *reason);
+typedef void (^ HTMLStreamReaderErrorCallback)(NSString *code, NSString *details);
 
 /**
  * HTML Input Stream Reader processor conforming to the HTML standard

Sources/include/HTMLKit.h

@@ -16,6 +16,8 @@ extern const unsigned char HTMLKitVersionString[];
 
 #import "HTMLDOM.h"
 #import "HTMLParser.h"
+#import "HTMLSanitizer.h"
+
 #import "HTMLKitErrorDomain.h"
 #import "HTMLOrderedDictionary.h"
 

Sources/include/HTMLNode.h

@@ -232,7 +232,7 @@ typedef NS_OPTIONS(unsigned short, HTMLDocumentPosition)
 /**
  Returns the index of the given child element in the set of child nodes.
 
- @param node The element.
+ @param element The element.
  @return The index of the given element in the children set.
  */
 - (NSUInteger)indexOfChildElement:(HTMLElement *)element;
@@ -248,7 +248,7 @@ typedef NS_OPTIONS(unsigned short, HTMLDocumentPosition)
 /**
  Prepends the given array of nodes to the set of child nodes.
 
- @param node The nodes to prepend.
+ @param nodes The nodes to prepend.
  */
 - (void)prependNodes:(NSArray<HTMLNode *> *)nodes;
 

Sources/include/HTMLParseErrorToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
@@ -18,19 +14,22 @@
  */
 @interface HTMLParseErrorToken : HTMLToken
 
-/** @brief The error's reason message. */
-@property (nonatomic, copy) NSString *reason;
+/** @brief The parse error's code as specified at https://html.spec.whatwg.org/multipage/parsing.html#parse-errors. */
+@property (nonatomic, strong, readonly) NSString *code;
+
+/** @brief Additional detailed error information. */
+@property (nonatomic, strong, readonly) NSString *details;
 
 /** @brief The error's location in the stream. */
-@property (nonatomic, assign) NSUInteger location;
+@property (nonatomic, assign, readonly) NSUInteger location;
 
 /**
  Initializes a new Parse Error token.
 
- @param reason The error's reason message.
+ @param code The parse error's as specified at https://html.spec.whatwg.org/multipage/parsing.html#parse-errors.
  @param location The error's location in the stream.
  @return A new instance of a parse error token.
  */
-- (instancetype)initWithReasonMessage:(NSString *)reason andStreamLocation:(NSUInteger)location;
+- (instancetype)initWithCode:(NSString *)code details:(NSString *)details location:(NSUInteger)location;
 
 @end

Sources/include/HTMLRange.h

@@ -81,7 +81,12 @@ typedef NS_ENUM(unsigned short, HTMLRangeComparisonMethod)
  @param document The HTML doucment for which the range will be constructed.
  @return A new HTML Range instance.
  */
-- (instancetype)initWithDowcument:(HTMLDocument *)document;
+- (instancetype)initWithDocument:(HTMLDocument *)document;
+
+/**
+ Deprecated due to typo.
+ */
+- (instancetype)initWithDowcument:(HTMLDocument *)document __attribute__((deprecated("Replaced by -initWithDocument:")));
 
 /**
  Initializes a new range instance for the given document and boundaries.
@@ -93,23 +98,31 @@ typedef NS_ENUM(unsigned short, HTMLRangeComparisonMethod)
  @param endOffset The offset of the end boundary
  @return A new HTML Range instance.
  */
+- (instancetype)initWithDocument:(HTMLDocument *)document
+				  startContainer:(HTMLNode *)startContainer startOffset:(NSUInteger)startOffset
+					endContainer:(HTMLNode *)endContainer endOffset:(NSUInteger)endOffset;
+
+/**
+ Deprecated due to typo.
+ */
 - (instancetype)initWithDowcument:(HTMLDocument *)document
 				   startContainer:(HTMLNode *)startContainer startOffset:(NSUInteger)startOffset
-					 endContainer:(HTMLNode *)endContainer endOffset:(NSUInteger)endOffset;
+					 endContainer:(HTMLNode *)endContainer endOffset:(NSUInteger)endOffset
+	__attribute__((deprecated("Replaced by -initWithDocument:startContainer:startOffset:endContainer:endOffset:")));
 
 /**
  Sets the start boundary.
 
- @param startNode The new node of the start boundary.
- @param startOffset The new offset of the start boundary.
+ @param node The new node of the start boundary.
+ @param offset The new offset of the start boundary.
  */
 - (void)setStartNode:(HTMLNode *)node startOffset:(NSUInteger)offset;
 
 /**
  Sets the end boundary.
 
- @param startNode The new node of the end boundary.
- @param startOffset The new offset of the end boundary.
+ @param node The new node of the end boundary.
+ @param offset The new offset of the end boundary.
  */
 - (void)setEndNode:(HTMLNode *)node endOffset:(NSUInteger)offset;
 

Sources/include/HTMLStackOfOpenElements.h

@@ -79,7 +79,7 @@
 /**
  Checks whether an element with the given tag name is in the stack.
 
- @param tagname The element's tag name.
+ @param tagName The element's tag name.
  @return `YES` if such an element is in the stack, `NO` otherwise.
  */
 - (BOOL)containsElementWithTagName:(NSString *)tagName;
@@ -163,11 +163,11 @@
  https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-the-specific-scope
  */
 - (HTMLElement *)hasElementInScopeWithTagName:(NSString *)tagName;
-- (HTMLElement *)hasAnyElementInScopeWithAnyOfTagNames:(NSArray *)tagNames;
-- (HTMLElement *)hasElementInListItemScopeWithTagName:(NSString *)tagName;
-- (HTMLElement *)hasElementInButtonScopeWithTagName:(NSString *)tagName;
+- (HTMLElement *)hasHeaderElementInScope;
 - (HTMLElement *)hasElementInTableScopeWithTagName:(NSString *)tagName;
 - (HTMLElement *)hasElementInTableScopeWithAnyOfTagNames:(NSArray *)tagNames;
+- (HTMLElement *)hasElementInListItemScopeWithTagName:(NSString *)tagName;
+- (HTMLElement *)hasElementInButtonScopeWithTagName:(NSString *)tagName;
 - (HTMLElement *)hasElementInSelectScopeWithTagName:(NSString *)tagName;
 
 /**

Sources/include/HTMLTagToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 #import "HTMLOrderedDictionary.h"

Sources/include/HTMLToken.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 
 @class HTMLDOCTYPEToken;

Sources/include/HTMLTokenizer.h

@@ -16,6 +16,13 @@
 
 @class HTMLParser;
 
+/**
+ Typedef for the parse error callback block.
+
+ @param token The parse error token.
+ */
+typedef void (^ HTMLTokenizerParseErrorCallback)(HTMLParseErrorToken *token);
+
 /**
  * HTML Tokenizer
  * https://html.spec.whatwg.org/multipage/syntax.html#tokenization
@@ -39,6 +46,13 @@
  */
 @property (nonatomic, weak) HTMLParser *parser;
 
+/**
+ An error callback block, which gets called when encountering parse errors while tokenizing the stream
+ 
+ Parse error tokens are dropped if the callback is `nil`.
+ */
+@property (nonatomic, copy) HTMLTokenizerParseErrorCallback parseErrorCallback;
+
 /**
  Initializes a new Tokenizer with the given string.
 

Sources/include/HTMLTokenizerCharacters.h

@@ -23,11 +23,16 @@
 	CHAR( DIGIT_NINE, 0x0039 ) \
 	CHAR( LATIN_CAPITAL_LETTER_A, 0x0041 ) \
 	CHAR( LATIN_CAPITAL_LETTER_F, 0x0046 ) \
+	CHAR( LATIN_CAPITAL_LETTER_P, 0x0050 ) \
+	CHAR( LATIN_CAPITAL_LETTER_S, 0x0053 ) \
 	CHAR( LATIN_CAPITAL_LETTER_X, 0x0058 ) \
 	CHAR( LATIN_CAPITAL_LETTER_Z, 0x005A ) \
+	CHAR( RIGHT_SQUARE_BRACKET, 0x005D ) \
 	CHAR( GRAVE_ACCENT, 0x0060 ) \
 	CHAR( LATIN_SMALL_LETTER_A, 0x0061 ) \
 	CHAR( LATIN_SMALL_LETTER_F, 0x0066 ) \
+	CHAR( LATIN_SMALL_LETTER_P, 0x0070 ) \
+	CHAR( LATIN_SMALL_LETTER_S, 0x0073 ) \
 	CHAR( LATIN_SMALL_LETTER_X, 0x0078 ) \
 	CHAR( LATIN_SMALL_LETTER_Z, 0x007A ) \
 	CHAR( HYPHEN_MINUS, 0x002D ) \
@@ -82,13 +87,17 @@ NUMERIC_REPLACEMENT_CHARACTERS
 #undef CHAR
 };
 
-NS_INLINE BOOL isControlOrUndefinedCharacter(UTF32Char character)
+NS_INLINE BOOL isControlCharacter(unsigned long long character)
 {
 	return ((character >= 0x0001 && character <= 0x0008) ||
-			(character >= 0x000D && character <= 0x001F) ||
-			(character >= 0x007F && character <= 0x009F) ||
-			(character >= 0xFDD0 && character <= 0xFDEF) ||
 			character == 0x000B ||
+			(character >= 0x000E && character <= 0x001F) ||
+			(character >= 0x007F && character <= 0x009F));
+}
+
+NS_INLINE BOOL isNoncharacter(unsigned long long character)
+{
+	return ((character >= 0xFDD0 && character <= 0xFDEF) ||
 			character == 0xFFFE ||
 			character == 0xFFFF ||
 			character == 0x1FFFE ||
@@ -137,6 +146,18 @@ NS_INLINE BOOL isHexDigit(UTF32Char character)
 			(character >= LATIN_SMALL_LETTER_A && character <= LATIN_SMALL_LETTER_F));
 }
 
+NS_INLINE BOOL isUpperHexDigit(UTF32Char character)
+{
+	return ((character >= LATIN_CAPITAL_LETTER_A && character <= LATIN_CAPITAL_LETTER_F) ||
+			(character >= DIGIT_ZERO && character <= DIGIT_NINE));
+}
+
+NS_INLINE BOOL isLowerHexDigit(UTF32Char character)
+{
+	return ((character >= LATIN_SMALL_LETTER_A && character <= LATIN_SMALL_LETTER_F) ||
+			(character >= DIGIT_ZERO && character <= DIGIT_NINE));
+}
+
 NS_INLINE BOOL isAlphanumeric(UTF32Char character)
 {
 	return ((character >= DIGIT_ZERO && character <= DIGIT_NINE) ||
@@ -151,17 +172,14 @@ NS_INLINE BOOL isStringAlphanumeric(NSString *string)
 	return ([string rangeOfCharacterFromSet:set].location == NSNotFound);
 }
 
-NS_INLINE BOOL isInvalidNumericRange(unsigned long long numeric)
+NS_INLINE BOOL isSurrogate(unsigned long long character)
 {
-	return ((numeric >= 0xD800 && numeric <= 0xDFFF) ||
-			numeric > 0x10FFFF);
+	return (character >= 0xD800 && character <= 0xDFFF);
 }
 
 NS_INLINE unichar NumericReplacementCharacter(UTF32Char character)
 {
-	if (character == NULL_CHAR) {
-		return REPLACEMENT_CHAR;
-	} else if (character >= 0x0080 && character <= 0x009F) {
+	if (character >= 0x0080 && character <= 0x009F) {
 		return NumericReplacementTable[character - 0x0080];
 	} else {
 		return NULL_CHAR;

Sources/include/HTMLTokenizerStates.h

@@ -12,9 +12,7 @@
 
 #define TOKENIZER_STATES \
 	STATE_ENTRY( HTMLTokenizerStateData, = 0) \
-	STATE_ENTRY( HTMLTokenizerStateCharacterReferenceInData, ) \
 	STATE_ENTRY( HTMLTokenizerStateRCDATA, ) \
-	STATE_ENTRY( HTMLTokenizerStateCharacterReferenceInRCDATA, ) \
 	STATE_ENTRY( HTMLTokenizerStateRAWTEXT, ) \
 	STATE_ENTRY( HTMLTokenizerStateScriptData, ) \
 	STATE_ENTRY( HTMLTokenizerStatePLAINTEXT, ) \
@@ -59,6 +57,10 @@
 	STATE_ENTRY( HTMLTokenizerStateCommentStart, ) \
 	STATE_ENTRY( HTMLTokenizerStateCommentStartDash, ) \
 	STATE_ENTRY( HTMLTokenizerStateComment, ) \
+	STATE_ENTRY( HTMLTokenizerStateCommentLessThanSign, ) \
+	STATE_ENTRY( HTMLTokenizerStateCommentLessThanSignBang, ) \
+	STATE_ENTRY( HTMLTokenizerStateCommentLessThanSignBangDash, ) \
+	STATE_ENTRY( HTMLTokenizerStateCommentLessThanSignBangDashDash, ) \
 	STATE_ENTRY( HTMLTokenizerStateCommentEndDash, ) \
 	STATE_ENTRY( HTMLTokenizerStateCommentEnd, ) \
 	STATE_ENTRY( HTMLTokenizerStateCommentEndBang, ) \
@@ -78,7 +80,18 @@
 	STATE_ENTRY( HTMLTokenizerStateDOCTYPESystemIdentifierSingleQuoted, ) \
 	STATE_ENTRY( HTMLTokenizerStateAfterDOCTYPESystemIdentifier, ) \
 	STATE_ENTRY( HTMLTokenizerStateBogusDOCTYPE, ) \
-	STATE_ENTRY( HTMLTokenizerStateCDATASection, )
+	STATE_ENTRY( HTMLTokenizerStateCDATASection, ) \
+	STATE_ENTRY( HTMLTokenizerStateCDATASectionBracket, ) \
+	STATE_ENTRY( HTMLTokenizerStateCDATASectionEnd, ) \
+	STATE_ENTRY( HTMLTokenizerStateCharacterReference, ) \
+	STATE_ENTRY( HTMLTokenizerStateNamedCharacterReference, ) \
+	STATE_ENTRY( HTMLTokenizerStateAmbiguousAmpersand, ) \
+	STATE_ENTRY( HTMLTokenizerStateNumericCharacterReference, ) \
+	STATE_ENTRY( HTMLTokenizerStateHexadecimalCharacterReferenceStart, ) \
+	STATE_ENTRY( HTMLTokenizerStateDecimalCharacterReferenceStart, ) \
+	STATE_ENTRY( HTMLTokenizerStateHexadecimalCharacterReference, ) \
+	STATE_ENTRY( HTMLTokenizerStateDecimalCharacterReference, ) \
+	STATE_ENTRY( HTMLTokenizerStateNumericCharacterReferenceEnd, )
 
 typedef NS_ENUM(NSUInteger, HTMLTokenizerState)
 {

Sources/include/HTMLTokens.h

@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import	"HTMLToken.h"
 #import "HTMLCharacterToken.h"
 #import "HTMLCommentToken.h"

Sources/include/HTMLTreeWalker.h

@@ -49,7 +49,6 @@ NS_ASSUME_NONNULL_BEGIN
  Initializes a new tree walker with no filter and HTMLNodeFilterShowAll show options.
 
  @param node The root node.
- @param filter The node filter to use.
  @return A new instance of a tree walker.
  */
 - (instancetype)initWithNode:(HTMLNode *)node;

Sources/include/NSString+HTMLKit.h

@@ -48,6 +48,13 @@ NS_ASSUME_NONNULL_BEGIN
  */
 - (NSUInteger)leadingHTMLWhitespaceLength;
 
+/**
+Escapes this string as specified in `https://html.spec.whatwg.org/multipage/parsing.html#escapingString`
+
+ @return A copy of this string by HTML-escaping this stirng.
+ */
+- (NSString *)stringByEscapingForHTML;
+
 @end
 
 NS_ASSUME_NONNULL_END

Sources/include/module.modulemap

@@ -5,7 +5,7 @@ module HTMLKit {
 	export *
 
 	explicit module Private {
-		header "CSSCodePoints.h"
+		textual header "CSSCodePoints.h"
 		header "CSSInputStream.h"
 		header "HTMLCharacterToken.h"
 		header "HTMLCommentToken.h"
@@ -22,7 +22,7 @@ module HTMLKit {
 		header "HTMLTagToken.h"
 		header "HTMLToken.h"
 		header "HTMLTokenizer.h"
-		header "HTMLTokenizerCharacters.h"
+		textual header "HTMLTokenizerCharacters.h"
 		header "HTMLTokenizerEntities.h"
 		header "HTMLTokenizerStates.h"
 		header "HTMLTokens.h"

Tests/HTMLKitTests/CSSSelectorParserTests.m

@@ -7,7 +7,7 @@
 //
 
 #import <XCTest/XCTest.h>
-#import <HTMLKit/HTMLKit.h>
+#import "HTMLKit.h"
 #import "CSSSelectorTest.h"
 #import "CSSSelectorParser.h"
 

Tests/HTMLKitTests/CSSSelectorTest.m

@@ -11,6 +11,7 @@
 #import "HTMLDocument.h"
 #import "HTMLElement.h"
 #import "CSSSelectors.h"
+#import "HTMLKitTestUtil.h"
 
 static NSString * const CSSTests = @"css-tests";
 
@@ -18,8 +19,7 @@ static NSString * const CSSTests = @"css-tests";
 
 + (NSArray *)loadCSSSelectorTests
 {
-	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
-	path = [path stringByAppendingPathComponent:CSSTests];
+	NSString *path = [HTMLKitTestUtil pathForFixture:CSSTests ofType:nil inDirectory:nil];
 
 	NSMutableArray *tests = [NSMutableArray array];
 	NSArray *testFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];

Tests/HTMLKitTests/CSSStructuralPseudoSelectors.m

@@ -0,0 +1,41 @@
+//
+//  CSSStructuralPseudoSelectors.m
+//  HTMLKit
+//
+//  Created by Iska on 18.04.18.
+//  Copyright © 2018 BrainCookie. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+#import "CSSSelectors.h"
+#import "HTMLParser.h"
+#import "HTMLDOM.h"
+
+@interface CSSStructuralPseudoSelectors : XCTestCase
+
+@end
+
+@implementation CSSStructuralPseudoSelectors
+
+#pragma mark - Bug Fixes
+
+- (void)testBugFix_Issue_25
+{
+	NSString *html = @"<table><tr><td>TD #0</td><td>TD #1</td><td>TD #2</td><td>TD #3</td></tr></table>";
+	HTMLDocument *doc = [HTMLDocument documentWithString:html];
+	NSArray<HTMLElement *> *elements = [doc querySelectorAll:@"td:gt(0)"];
+
+	XCTAssertEqual(elements.count, 3);
+	XCTAssertEqualObjects(elements[0].textContent, @"TD #1");
+	XCTAssertEqualObjects(elements[1].textContent, @"TD #2");
+	XCTAssertEqualObjects(elements[2].textContent, @"TD #3");
+
+	elements = [doc querySelectorAll:@"td:lt(0)"];
+	XCTAssertEqual(elements.count, 0);
+
+	elements = [doc querySelectorAll:@"td:eq(0)"];
+	XCTAssertEqual(elements.count, 1);
+	XCTAssertEqualObjects(elements[0].textContent, @"TD #0");
+}
+
+@end

Tests/HTMLKitTests/HTML5LibTokenizerTest.h

@@ -14,9 +14,9 @@
 @property (nonatomic, copy) NSString *title;
 @property (nonatomic, copy) NSString *input;
 @property (nonatomic, strong) NSArray *output;
+@property (nonatomic, strong) NSArray *errors;
 @property (nonatomic, strong) NSArray *initialStates;
 @property (nonatomic, copy) NSString *lastStartTag;
-@property (nonatomic, assign) BOOL ignoreErrorOrder;
 
 + (NSDictionary *)loadHTML5LibTokenizerTests;
 

Tests/HTMLKitTests/HTML5LibTokenizerTest.m

@@ -7,23 +7,22 @@
 //
 
 #import "HTML5LibTokenizerTest.h"
+#import "HTMLOrderedDictionary.h"
 #import "HTMLTokenizerStates.h"
 #import "HTMLTokens.h"
+#import "HTMLKitTestUtil.h"
 
 static NSString * const HTML5LibTests = @"html5lib-tests";
-static NSString * const TOKENIZER = @"tokenizer";
+static NSString * const Tokenizer = @"tokenizer";
 
 @implementation HTML5LibTokenizerTest
 
 + (NSDictionary *)loadHTML5LibTokenizerTests
 {
-	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
-	path = [path stringByAppendingPathComponent:HTML5LibTests];
-	path = [path stringByAppendingPathComponent:TOKENIZER];
-
-	NSMutableDictionary *testsMap = [NSMutableDictionary dictionary];
+	NSString *path = [HTMLKitTestUtil pathForFixture:Tokenizer ofType:nil inDirectory:HTML5LibTests];
 	NSArray *testFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];
 
+	NSMutableDictionary *testsMap = [NSMutableDictionary dictionary];
 	for (NSString *testFile in testFiles) {
 		if (![testFile.pathExtension isEqualToString:@"test"]) {
 			continue;
@@ -71,16 +70,16 @@ static NSString * const TOKENIZER = @"tokenizer";
 {
 	BOOL doubleEscaped = [test[@"doubleEscaped"] boolValue];
 
-		// Test Title
+	// Test Title
 	self.title = test[@"description"];
 
-		// Test Input
+	// Test Input
 	self.input = test[@"input"];
 	if (doubleEscaped) {
 		self.input = [self processDoubleEscaped:self.input];
 	}
 
-		// Test Output
+	// Test Output
 	NSMutableArray *tokens = [NSMutableArray array];
 	NSArray *outputs = test[@"output"];
 	for (NSArray *output in outputs) {
@@ -90,7 +89,7 @@ static NSString * const TOKENIZER = @"tokenizer";
 	[tokens addObject:[HTMLEOFToken token]];
 	self.output = tokens;
 
-		// Test Initial States
+	// Test Initial States
 	NSMutableArray *initialStates = [NSMutableArray array];
 
 	NSArray *states = test[@"initialStates"];
@@ -102,6 +101,10 @@ static NSString * const TOKENIZER = @"tokenizer";
 			state = HTMLTokenizerStateRCDATA;
 		} else if ([name isEqualToString:@"RAWTEXT state"]) {
 			state = HTMLTokenizerStateRAWTEXT;
+		} else if ([name isEqualToString:@"Script data state"]) {
+			state = HTMLTokenizerStateScriptData;
+		} else if ([name isEqualToString:@"CDATA section state"]) {
+			state = HTMLTokenizerStateCDATASection;
 		}
 		[initialStates addObject:@(state)];
 	}
@@ -111,19 +114,21 @@ static NSString * const TOKENIZER = @"tokenizer";
 
 	self.initialStates = initialStates;
 
-		// Test Last Start Tag
+	// Test Last Start Tag
 	self.lastStartTag = test[@"lastStartTag"];
 
-		// Ignore Error Order
-	self.ignoreErrorOrder = [test[@"ignoreErrorOrder"] boolValue];
+	// Test errors
+	NSArray *errors = test[@"errors"];
+	NSMutableArray *errorTokens = [NSMutableArray new];
+	for (NSDictionary *error in errors) {
+		HTMLParseErrorToken *token = [[HTMLParseErrorToken alloc] initWithCode:error[@"code"] details:nil location:0];
+		[errorTokens addObject:token];
+	}
+	self.errors = errorTokens;
 }
 
 - (HTMLToken *)processOutputToken:(id)output doubleEscaped:(BOOL)doubleEscaped
 {
-	if ([output isKindOfClass:[NSString class]] && [output isEqualToString:@"ParseError"]) {
-		return [HTMLParseErrorToken new];
-	}
-
 	NSString *type = [output firstObject];
 
 	NSString *data = nil;
@@ -147,8 +152,6 @@ static NSString * const TOKENIZER = @"tokenizer";
 		return token;
 	} else if ([type isEqualToString:@"EndTag"]) {
 		return [[HTMLEndTagToken alloc] initWithTagName:data];
-	} else if ([type isEqualToString:@"ParseError"]) {
-		return [HTMLParseErrorToken new];
 	} else if ([type isEqualToString:@"StartTag"]) {
 		HTMLStartTagToken *token = [[HTMLStartTagToken alloc] initWithTagName:data];
 		NSDictionary *attributes = output[2];

Tests/HTMLKitTests/HTML5LibTreeConstructionTest.m

@@ -9,10 +9,12 @@
 #import "HTML5LibTreeConstructionTest.h"
 #import <XCTest/XCTest.h>
 
+#import "HTMLDOM.h"
 #import "HTMLDocumentType.h"
 #import "HTMLElement.h"
 #import "HTMLText.h"
 #import "HTMLComment.h"
+#import "HTMLKitTestUtil.h"
 
 static NSString * const HTML5LibTests = @"html5lib-tests";
 static NSString * const TreeConstruction = @"tree-construction";
@@ -21,13 +23,10 @@ static NSString * const TreeConstruction = @"tree-construction";
 
 + (NSDictionary *)loadHTML5LibTreeConstructionTests
 {
-	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
-	path = [path stringByAppendingPathComponent:HTML5LibTests];
-	path = [path stringByAppendingPathComponent:TreeConstruction];
-
-	NSMutableDictionary *testsMap = [NSMutableDictionary dictionary];
+	NSString *path = [HTMLKitTestUtil pathForFixture:TreeConstruction ofType:nil inDirectory:HTML5LibTests];
 	NSArray *testFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];
 
+	NSMutableDictionary *testsMap = [NSMutableDictionary dictionary];
 	for (NSString *testFile in testFiles) {
 		if (![testFile.pathExtension isEqualToString:@"dat"]) {
 			continue;
@@ -48,7 +47,7 @@ static NSString * const TreeConstruction = @"tree-construction";
 	NSMutableArray *tests = [NSMutableArray array];
 
 	NSScanner *scanner = [NSScanner scannerWithString:contents];
-	NSString * (^ nextTest)() = ^ NSString * () {
+	NSString * (^ nextTest)(void) = ^ NSString * () {
 		NSString *str;
 		[scanner scanUpToString:@"\n\n#data" intoString:&str];
 		return str;
@@ -291,6 +290,8 @@ NS_INLINE NSArray * parseAttribute(NSString *str)
 	NSRange range = [str rangeOfString:@"=" options:0];
 
 	NSString *key = [str substringToIndex:range.location];
+	key = [key stringByReplacingOccurrencesOfString:@" " withString:@":"];
+
 	NSString *value = [str substringFromIndex:range.location + 2];
 	value = [value substringToIndex:value.length - 1];
 

Tests/HTMLKitTests/HTMLKitParserPerformance.m

@@ -8,6 +8,7 @@
 
 #import <XCTest/XCTest.h>
 #import "HTMLParser.h"
+#import "HTMLKitTestUtil.h"
 
 @interface HTMLKitParserPerformance : XCTestCase
 
@@ -17,11 +18,9 @@
 
 #define HTMLKIT_NO_DOM_CHECKS
 
-- (void)testParserPerformance
+- (void)_testParserPerformance
 {
-	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
-	path = [path stringByAppendingPathComponent:@"Fixtures"];
-	path = [path stringByAppendingPathComponent:@"HTML Standard.html"];
+	NSString *path = [HTMLKitTestUtil pathForFixture:@"HTML Standard" ofType:@"html" inDirectory:@"Fixtures"];
 
 	NSString *string = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
 

Tests/HTMLKitTests/HTMLKitTestUtil.h

@@ -12,5 +12,6 @@
 
 + (NSInvocation *)addTestToClass:(Class)cls withName:(NSString *)name block:(id)block;
 + (id)ivarForInstacne:(id)instance name:(NSString *)name;
++ (NSString *)pathForFixture:(NSString *)fixture ofType:(NSString *)type inDirectory:(NSString *)directory;
 
 @end

Tests/HTMLKitTests/HTMLKitTestUtil.m

@@ -32,4 +32,23 @@
 	return object_getIvar(instance, ivar);
 }
 
++ (NSString *)pathForFixture:(NSString *)fixture ofType:(NSString *)type inDirectory:(NSString *)directory
+{
+	// Try testing bundle first
+	NSString *path = [[NSBundle bundleForClass:self.class] pathForResource:fixture ofType:type inDirectory:directory];
+	if (path) {
+		return path;
+	}
+
+	path = [[@(__FILE__) stringByDeletingLastPathComponent] stringByDeletingLastPathComponent];
+	if (directory) {
+		path = [path stringByAppendingPathComponent:directory];
+	}
+
+	NSString *resource = type ? [NSString stringWithFormat:@"%@.%@", fixture, type] : fixture;
+	path = [path stringByAppendingPathComponent:resource];
+
+	return path;
+}
+
 @end

Tests/HTMLKitTests/HTMLKitTokenizerPerformance.m

@@ -10,6 +10,7 @@
 #import "HTMLTokenizer.h"
 #import "HTMLTokenizerStates.h"
 #import "HTMLTokens.h"
+#import "HTMLKitTestUtil.h"
 
 @interface HTMLKitTokenizerPerformance : XCTestCase
 
@@ -17,11 +18,9 @@
 
 @implementation HTMLKitTokenizerPerformance
 
-- (void)testTokenizerPerformance
+- (void)_testTokenizerPerformance
 {
-	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
-	path = [path stringByAppendingPathComponent:@"Fixtures"];
-	path = [path stringByAppendingPathComponent:@"HTML Standard.html"];
+	NSString *path = [HTMLKitTestUtil pathForFixture:@"HTML Standard" ofType:@"html" inDirectory:@"Fixtures"];
 
 	NSString *string = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
 

Tests/HTMLKitTests/HTMLKitTokenizerTests.m

@@ -81,20 +81,31 @@
 
 		for (NSNumber *state in test.initialStates) {
 			HTMLTokenizer *tokenizer = [[HTMLTokenizer alloc] initWithString:test.input];
-			[tokenizer setValue:test.lastStartTag forKey:@"_lastStartTagName"];
 
+			[tokenizer setValue:test.lastStartTag forKey:@"_lastStartTagName"];
 			tokenizer.state = [state integerValue];
 
-			NSArray *expectedTokens = test.output;
-			NSArray *tokens = tokenizer.allObjects;
+			NSArray *expectedErrors = test.errors;
+			NSMutableArray *actualErrors = [NSMutableArray new];
+			tokenizer.parseErrorCallback = ^(HTMLParseErrorToken *token) {
+				[actualErrors addObject:token];
+			};
 
-			NSString *message = [NSString stringWithFormat:@"HTML5Lib test in file: \'%@\' Title: '%@'\nInput: '%@'\nExpected:\n%@\nActual:\n%@\n",
+			NSArray *expectedTokens = test.output;
+			NSArray *actualTokens = tokenizer.allObjects;
+
+			NSString *message = [NSString stringWithFormat:@"\nTest file: \'%@\'\nTitle: '%@'\nInput: '%@'\n",
 								 test.testFile,
 								 test.title,
-								 test.input,
-								 expectedTokens,
-								 tokens];
-			XCTAssertEqualObjects(tokens, expectedTokens, @"%@", message);
+								 test.input];
+			XCTAssertEqualObjects(actualTokens, expectedTokens, @"%@", message);
+
+
+			message = [NSString stringWithFormat:@"\nTest file: \'%@\'\nTitle: '%@'\nInput: '%@'\n",
+								 test.testFile,
+								 test.title,
+								 test.input];
+			XCTAssertEqualObjects(actualErrors, expectedErrors, @"%@", message);
 		}
 	}
 }

Tests/HTMLKitTests/HTMLMutationAlgorithmsTests.m

@@ -157,7 +157,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLDocument *document = [HTMLDocument new];
 	HTMLDocumentFragment *fragment = [[HTMLDocumentFragment alloc] initWithDocument:document];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[fragment removeAllChildNodes];
 		[document removeAllChildNodes];
 	};
@@ -213,7 +213,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLDocument *document = [HTMLDocument new];
 	HTMLElement *element = [HTMLElement new];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[element removeAllChildNodes];
 		[document removeAllChildNodes];
 	};
@@ -247,7 +247,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLDocument *document = [HTMLDocument new];
 	HTMLDocumentType *doctype = [HTMLDocumentType new];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[document removeAllChildNodes];
 	};
 
@@ -280,7 +280,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLComment *child = [HTMLComment new];
 	HTMLDocumentFragment *replacement = [[HTMLDocumentFragment alloc] initWithDocument:document];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[replacement removeAllChildNodes];
 		[document removeAllChildNodes];
 		[document appendNode:child];
@@ -326,7 +326,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLComment *child = [HTMLComment new];
 	HTMLElement *replacement = [HTMLElement new];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[replacement removeAllChildNodes];
 		[document removeAllChildNodes];
 		[document appendNode:child];
@@ -353,7 +353,7 @@ extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));
 	HTMLComment *child = [HTMLComment new];
 	HTMLDocumentType *replacement = [HTMLDocumentType new];
 
-	void (^ reset)() = ^ {
+	void (^ reset)(void) = ^ {
 		[replacement removeAllChildNodes];
 		[document removeAllChildNodes];
 		[document appendNode:child];

Tests/HTMLKitTests/HTMLNodeIteratorTests.m

@@ -592,4 +592,35 @@ static HTMLNode * (^ LastDescendant)(HTMLNode *) = ^ HTMLNode * (HTMLNode *node)
 	XCTAssertEqual(0, nodeIterators.count);
 }
 
+- (void)testBugFix_Issue_22 {
+    // The issue is applicable only for devices. On simulator the test is passed.
+    HTMLDocument *document = [HTMLDocument documentWithString:@"<div id=\"id\"></div>"];
+    
+    NSString *divId = @"id";
+    HTMLNodeFilterBlock *filter = [HTMLNodeFilterBlock filterWithBlock:^HTMLNodeFilterValue(HTMLNode * _Nonnull node) {
+        HTMLElement *element = (HTMLElement *)node;
+        return [element.elementId isEqualToString:divId] ? HTMLNodeFilterAccept : HTMLNodeFilterSkip;
+    }];
+    
+    HTMLNodeIterator *iterator = [document nodeIteratorWithShowOptions:HTMLNodeFilterShowElement filter:filter];
+    
+    HTMLElement *element = (HTMLElement*)iterator.nextObject;
+    XCTAssertTrue([element.elementId isEqualToString:divId]);
+}
+
+- (void)testBugFix_Issue_28 {
+    HTMLDocument *document = self.document;
+    HTMLNodeIterator *iterator = document.body.nodeIterator;
+    
+    [iterator nextNode]; // Reference node: <body>
+    
+    HTMLElement *span = (HTMLElement*)iterator.nextNode; // <span>
+    NSString *spanTag = @"span";
+    XCTAssertTrue([span.tagName isEqualToString:spanTag]);
+    
+    HTMLElement *paragraph = span.nextSiblingElement; // <p>
+    NSString *paragraphTag = @"p";
+    XCTAssertTrue([paragraph.tagName isEqualToString:paragraphTag]);
+}
+
 @end

Tests/HTMLKitTests/HTMLNodesTests.m

@@ -512,4 +512,60 @@
 	XCTAssertTrue([image compareDocumentPositionWithNode:outerDiv] == (HTMLDocumentPositionContainedBy | HTMLDocumentPositionFollowing));
 }
 
+- (void)testDeepCloneElement {
+	HTMLElement *outer = [[HTMLElement alloc] initWithTagName:@"div"
+													 attributes:@{@"id": @"outer",
+																  @"class": @"green"}];
+
+	HTMLElement *innerLevel1 = [[HTMLElement alloc] initWithTagName:@"div"
+												 attributes:@{@"id": @"inner1",
+															  @"class": @"red"}];
+
+	HTMLElement *innerLevel2 = [[HTMLElement alloc] initWithTagName:@"div"
+														 attributes:@{@"id": @"inner2",
+																	  @"class": @"red"}];
+
+	[outer appendNode:innerLevel1];
+	[innerLevel1 appendNode:innerLevel2];
+
+    HTMLElement *clone = [outer cloneNodeDeep:YES];
+
+	XCTAssertNotEqual(clone, outer);
+	XCTAssertEqualObjects(clone.elementId, outer.elementId);
+	XCTAssertEqualObjects(clone.attributes, outer.attributes);
+
+	XCTAssertNotEqual(clone.firstChild, innerLevel1);
+	XCTAssertEqualObjects(clone.firstChild.asElement.elementId, innerLevel1.elementId);
+	XCTAssertEqualObjects(clone.firstChild.asElement.attributes, innerLevel1.attributes);
+
+	XCTAssertNotEqual(clone.firstChild, innerLevel2);
+	XCTAssertEqualObjects(clone.firstChild.firstChild.asElement.elementId, innerLevel2.elementId);
+	XCTAssertEqualObjects(clone.firstChild.firstChild.asElement.attributes, innerLevel2.attributes);
+}
+
+- (void)testDeepCloneElementAttributes {
+	HTMLElement *div = [[HTMLElement alloc] initWithTagName:@"div"
+												   attributes:@{@"id": @"outer",
+																@"class": @"green",
+																@"data": @"test"}];
+
+	HTMLElement *clone = [div cloneNodeDeep:YES];
+
+	XCTAssertEqualObjects(clone.attributes, div.attributes);
+	XCTAssertTrue([clone.attributes isKindOfClass:[HTMLOrderedDictionary class]]);
+}
+
+#pragma mark - Bug Fixes
+
+- (void)testBugFix_Issue_20 {
+	HTMLElement *element = [HTMLElement new];
+	element.elementId = @"originalId";
+
+	HTMLElement *clone = [element cloneNodeDeep:YES];
+	NSString *cloneId = @"cloneId";
+	clone.elementId = cloneId;
+
+	XCTAssertTrue([clone.elementId isEqualToString:cloneId]);
+}
+
 @end

Tests/HTMLKitTests/HTMLRangeTests.m

@@ -90,7 +90,7 @@
 
 - (void)testInitRange
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	XCTAssertEqualObjects(range.startContainer, _document);
 	XCTAssertEqual(range.startOffset, 0);
@@ -101,7 +101,7 @@
 
 - (void)testSetStartBoundary
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	XCTAssertThrows([range setStartNode:[HTMLElement new] startOffset:0], @"Cannot set boundary to a node outside of the range's document");
 	XCTAssertThrows([range setStartNode:[HTMLDocumentType new] startOffset:0], @"DOCTYPE as range boundary is invalid");
@@ -130,7 +130,7 @@
 
 - (void)testSetEndBoundary
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	XCTAssertThrows([range setEndNode:[HTMLDocumentType new] endOffset:	0], @"DOCTYPE as range boundary is invalid");
 	XCTAssertThrows([range setEndNode:_firstText endOffset:_firstText.length + 1], @"Offset is outside the boundary node");
@@ -168,7 +168,7 @@
 
 - (void)testSetStartBeforeNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><!--Second comment--></div>
 	//                  |___|
@@ -263,7 +263,7 @@
 
 - (void)testSetStartAfterNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><!--Second comment--></div>
 	//                  |___|
@@ -358,7 +358,7 @@
 
 - (void)testSetEndBeforeNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><!--Second comment--></div>
 	//                  |___|
@@ -453,7 +453,7 @@
 
 - (void)testSetEndAfterNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><!--Second comment--></div>
 	//                  |___|
@@ -548,7 +548,7 @@
 
 - (void)testIsCollapsed
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	XCTAssertTrue(range.isCollapsed);
 
 	[range setEndNode:_title endOffset:1];
@@ -560,7 +560,7 @@
 
 - (void)testCollapseToStart
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//       |______________|
@@ -579,7 +579,7 @@
 
 - (void)testCollapseToEnd
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//       |______________|
@@ -598,7 +598,7 @@
 
 - (void)testSelectNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     ----------
@@ -651,7 +651,7 @@
 
 - (void)testSelectNodeContents
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     ----------
@@ -704,9 +704,9 @@
 
 - (void)testCompareBoundaries
 {
-	HTMLRange *range1 = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range1 = [[HTMLRange alloc] initWithDocument:_document];
 
-	HTMLRange *range2 = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range2 = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     ----------
@@ -776,7 +776,7 @@
 
 - (void)testContainmentAndComparisons
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	/*********** Compare ***********/
 
@@ -850,7 +850,7 @@
 
 - (void)testIntersections
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	XCTAssertFalse([range intersectsNode:[HTMLText new]]);
 	XCTAssertTrue([range intersectsNode:_document]);
@@ -882,7 +882,7 @@
 
 - (void)testThatCharacterDataMutationsUpdateRangeCorrectly
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     |________|
@@ -980,7 +980,7 @@
 
 - (void)testThatCharacterDataMutationsUpdateRangeCorrectly_DifferentBoundaries
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                         |___________________________|
@@ -1094,7 +1094,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_BeforeStartTextNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     |________|
 	[range selectNodeContents:_firstText];
@@ -1111,7 +1111,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_AfterEndTextNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     |________|
 	[range selectNodeContents:_firstText];
@@ -1128,7 +1128,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_MidleSameTextNode
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                     |________|
 	[range selectNodeContents:_firstText];
@@ -1145,7 +1145,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_MidleDifferentTextNodes
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                      |______________________________|
 	[range setStartNode:_firstText startOffset:2];
@@ -1163,7 +1163,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_BeforeStartDifferentTextNodes
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                      |______________________________|
 	[range setStartNode:_firstText startOffset:6];
@@ -1181,7 +1181,7 @@
 
 - (void)testThatTextSplitUpdateRangeCorrectly_BeforeEndDifferentTextNodes
 {
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:_document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:_document];
 	// <h1>Title</h1><p>Hello</p><div><div>First text<!--First comment-->Second text</div><--Second comment--></div>
 	//                                      |_______________________________|
 	[range setStartNode:_firstText startOffset:6];
@@ -1241,7 +1241,7 @@
 - (void)testDeleteContents_SameTextNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1260,7 +1260,7 @@
 - (void)testDeleteContents_SameTextNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNode:node];
@@ -1279,7 +1279,7 @@
 - (void)testDeleteContents_SameTextNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNodeContents:node];
@@ -1299,7 +1299,7 @@
 - (void)testDeleteContents_DifferentTextNodesOfSingleParent
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1318,7 +1318,7 @@
 - (void)testDeleteContents_DifferentTextNodesOfDifferentParents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1337,7 +1337,7 @@
 - (void)testDeleteContents_DifferentTextNodesOfDifferentParents_HavingContainedNodesInBetween
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1355,7 +1355,7 @@
 - (void)testDeleteContents_SameContainerNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:0];
@@ -1374,7 +1374,7 @@
 - (void)testDeleteContents_SameContainerNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNode:node];
@@ -1391,7 +1391,7 @@
 - (void)testDeleteContents_SameContainerNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNodeContents:node];
@@ -1408,7 +1408,7 @@
 - (void)testDeleteContents_StartContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#D1"];
 	[range setStartNode:start startOffset:0];
@@ -1427,7 +1427,7 @@
 - (void)testDeleteContents_EndContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1448,7 +1448,7 @@
 - (void)testCloneContents_SameTextNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1464,7 +1464,7 @@
 - (void)testCloneContents_SameTextNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNode:node];
@@ -1478,7 +1478,7 @@
 - (void)testCloneContents_SameTextNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNodeContents:node];
@@ -1492,7 +1492,7 @@
 - (void)testCloneContents_DifferentTextNodesOfSingleParent
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1506,7 +1506,7 @@
 - (void)testCloneContents_DifferentTextNodesOfDifferentParents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1520,7 +1520,7 @@
 - (void)testCloneContents_DifferentTextNodesOfDifferentParents_HavingContainedNodesInBetween
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1536,7 +1536,7 @@
 - (void)testCloneContents_SameContainerNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:0];
@@ -1550,7 +1550,7 @@
 - (void)testCloneContents_SameContainerNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNode:node];
@@ -1562,7 +1562,7 @@
 - (void)testCloneContents_SameContainerNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNodeContents:node];
@@ -1574,7 +1574,7 @@
 - (void)testCloneContents_StartContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#D1"];
 	[range setStartNode:start startOffset:0];
@@ -1588,7 +1588,7 @@
 - (void)testCloneContents_EndContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1604,7 +1604,7 @@
 - (void)testExtractContents_SameTextNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1627,7 +1627,7 @@
 - (void)testExtractContents_SameTextNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNode:node];
@@ -1650,7 +1650,7 @@
 - (void)testExtractContents_SameTextNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"].firstChild;
 	[range selectNodeContents:node];
@@ -1674,7 +1674,7 @@
 - (void)testExtractContents_DifferentTextNodesOfSingleParent
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1695,7 +1695,7 @@
 - (void)testExtractContents_DifferentTextNodesOfDifferentParents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1716,7 +1716,7 @@
 - (void)testExtractContents_DifferentTextNodesOfDifferentParents_HavingContainedNodesInBetween
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:3];
@@ -1738,7 +1738,7 @@
 - (void)testExtractContents_SameContainerNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:0];
@@ -1759,7 +1759,7 @@
 - (void)testExtractContents_SameContainerNode_Selected
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNode:node];
@@ -1778,7 +1778,7 @@
 - (void)testExtractContents_SameContainerNode_SelectedContents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *node = [document querySelector:@"#P1"];
 	[range selectNodeContents:node];
@@ -1797,7 +1797,7 @@
 - (void)testExtractContents_StartContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#D1"];
 	[range setStartNode:start startOffset:0];
@@ -1818,7 +1818,7 @@
 - (void)testExtractContents_EndContainerIsCommonRoot
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:1];
@@ -1841,7 +1841,7 @@
 - (void)testInsertNode_InvalidNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -1860,7 +1860,7 @@
 - (void)testInsertNode_TextNodeStart_Begin
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:0];
@@ -1884,7 +1884,7 @@
 - (void)testInsertNode_TextNodeStart_Middle
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -1908,7 +1908,7 @@
 - (void)testInsertNode_NonTextNodeStart_Begin
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:0];
@@ -1932,7 +1932,7 @@
 - (void)testInsertNode_NonTextNodeStart_Middle
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:2];
@@ -1956,7 +1956,7 @@
 - (void)testInsertNode_NonTextNodeStart_DifferentParents
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#D1"];
 	[range setStartNode:start startOffset:1];
@@ -1980,7 +1980,7 @@
 - (void)testSurroundContents_InvalidNode
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -1995,7 +1995,7 @@
 - (void)testSurroundContents_PartiallySelectedAncestors
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -2016,7 +2016,7 @@
 - (void)testSurroundContents_TextNodes
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -2037,7 +2037,7 @@
 - (void)testSurroundContents_NonTextNodes
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"];
 	[range setStartNode:start startOffset:0];
@@ -2060,7 +2060,7 @@
 - (void)testRangeStringifier
 {
 	HTMLDocument *document = self.editingDocument;
-	HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+	HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 
 	HTMLNode *start = [document querySelector:@"#P1"].firstChild;
 	[range setStartNode:start startOffset:2];
@@ -2110,7 +2110,7 @@
 
 	// range should be autoreleased, deallocated and detached after autoreleasepool
 	@autoreleasepool {
-		HTMLRange *range = [[HTMLRange alloc] initWithDowcument:document];
+		HTMLRange *range = [[HTMLRange alloc] initWithDocument:document];
 		[range cloneContents];
 		XCTAssertEqual(1, ranges.count);
 	}

Tests/HTMLKitTests/HTMLSerializationTests.m

@@ -0,0 +1,44 @@
+//
+//  HTMLSerializationTests.m
+//  HTMLKit
+//
+//  Created by Iska on 06.11.17.
+//  Copyright © 2017 BrainCookie. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+#import "HTMLDOM.h"
+
+@interface HTMLSerializationTests : XCTestCase
+
+@end
+
+@implementation HTMLSerializationTests
+
+- (void)setUp {
+    [super setUp];
+}
+
+- (void)tearDown {
+    [super tearDown];
+}
+
+#pragma mark - Bug Fixes
+
+- (void)testBugFix_Issue_16
+{
+	NSString *html = @"<body><div>&lt;test&gt;</div></body>";
+	HTMLDocument *document = [HTMLDocument documentWithString:html];
+
+	XCTAssertEqualObjects(document.body.outerHTML, html);
+}
+
+- (void)testBugFix_Issue_17
+{
+	NSString *html = @"<body key='& testing 0x00A0'></body>";
+	HTMLDocument *document = [HTMLDocument documentWithString:html];
+
+	XCTAssertEqualObjects(document.body.outerHTML, @"<body key=\"&amp; testing &nbsp;\"></body>");
+}
+
+@end

Tests/HTMLKitTests/HTMLStringCategoryTests.m

@@ -8,6 +8,7 @@
 
 #import <XCTest/XCTest.h>
 #import "NSString+HTMLKit.h"
+#import "HTMLDOM.h"
 
 @interface HTMLKitStringCategoryTests : XCTestCase
 
@@ -79,4 +80,20 @@
 	XCTAssertEqual([@"\t\r\n\f\0 " leadingHTMLWhitespaceLength], 4);
 }
 
+- (void)testStringByEscapingForHTML
+{
+	XCTAssertEqualObjects(@"".stringByEscapingForHTML, @"");
+	XCTAssertEqualObjects(@"&".stringByEscapingForHTML, @"&amp;");
+	XCTAssertEqualObjects(@"0x00A0".stringByEscapingForHTML, @"&nbsp;");
+	XCTAssertEqualObjects(@"\"".stringByEscapingForHTML, @"&quot;");
+	XCTAssertEqualObjects(@"<".stringByEscapingForHTML, @"&lt;");
+	XCTAssertEqualObjects(@">".stringByEscapingForHTML, @"&gt;");
+	XCTAssertEqualObjects(@"&0x00A0\"<>".stringByEscapingForHTML, @"&amp;&nbsp;&quot;&lt;&gt;");
+
+	NSString *input = @"This is an <b>email</b>: John Do <john@do.com>";
+	NSString *escaped = input.stringByEscapingForHTML;
+	XCTAssertNotEqual(input, escaped);
+	XCTAssertEqualObjects(escaped, @"This is an &lt;b&gt;email&lt;/b&gt;: John Do &lt;john@do.com&gt;");
+}
+
 @end