Add "tree construction dispatcher" and token handling stub

https://html.spec.whatwg.org/multipage/syntax.html#tree-construction

HTMLKit/HTMLElement.h

@@ -7,9 +7,11 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "HTMLNamespaces.h"
 
 @interface HTMLElement : NSObject
 
 @property (nonatomic, strong, readonly) NSString *tagName;
+@property (nonatomic, assign, readonly) HTMLNamespace namespace;
 
 @end

HTMLKit/HTMLElementTypes.h

@@ -0,0 +1,27 @@
+//
+//  HTMLElementTypes.h
+//  HTMLKit
+//
+//  Created by Iska on 19/02/15.
+//  Copyright (c) 2015 BrainCookie. All rights reserved.
+//
+
+#import	"HTMLElement.h"
+#import "HTMLNamespaces.h"
+
+#define matches(x, ...)  [[NSSet setWithObjects:__VA_ARGS__, nil] containsObject:x]
+
+NS_INLINE BOOL IsNodeMathMLTextIntegrationPoint(HTMLElement *node)
+{
+	return (node.namespace == HTMLNamespaceMathML && matches(node.tagName, @"mi", @"mo", @"mn", @"ms", @"mtext"));
+}
+
+NS_INLINE BOOL IsNodeHTMLIntegrationPoint(HTMLElement *node)
+{
+	if (node.namespace == HTMLNamespaceMathML && [node.tagName isEqualToString:@"annotation-xml"]) {
+#warning Implement HTML Element Attributes
+	} else if (node.namespace == HTMLNamespaceSVG) {
+		return matches(node.tagName, @"foreignObject", @"desc", @"title");
+	}
+	return NO;
+}

HTMLKit/HTMLParser.m

@@ -24,4 +24,64 @@
 
 @implementation HTMLParser
 
+#pragma mark - Parse
+
+- (id)parse
+{
+	for (HTMLToken *token in _tokenizer) {
+		[self handleToken:token];
+	}
+	return nil;
+}
+
+- (void)handleToken:(HTMLToken *)token
+{
+	BOOL (^ treeConstructionDispatcher)(HTMLElement *node) = ^BOOL(HTMLElement *node){
+
+		if (node == nil) {
+			return YES;
+		}
+		if (node.namespace == HTMLNamespaceHTML) {
+			return YES;
+		}
+		if (IsNodeMathMLTextIntegrationPoint(node)) {
+			if (token.type == HTMLTokenTypeStartTag) {
+				return !matches([(HTMLStartTagToken *)token tagName], @"mglyph", @"malignmark");
+			}
+			if (token.type == HTMLTokenTypeCharacter) {
+				return YES;
+			}
+		}
+		if (node.namespace == HTMLNamespaceMathML && [node.tagName isEqualToString:@"annotation-xml"]) {
+			if (token.type == HTMLTokenTypeStartTag) {
+				return [[(HTMLStartTagToken *)token tagName] isEqualToString:@"svg"];
+			}
+		}
+		if (IsNodeHTMLIntegrationPoint(node)) {
+			return token.type == HTMLTokenTypeStartTag || token.type == HTMLTokenTypeCharacter;
+		}
+		if (token.type == HTMLTokenTypeEOF) {
+			return YES;
+		}
+
+		return NO;
+	};
+
+	if (treeConstructionDispatcher(self.adjustedCurrentNode)) {
+		[self handleToken:token byApplyingRulesForInsertionMode:_insertionMode];
+	} else {
+		[self handleTokenByApplyingRulesForParsingTokensInForeignContent:token];
+	}
+}
+
+- (void)handleToken:(HTMLToken *)token byApplyingRulesForInsertionMode:(HTMLInsertionMode)insertionMode
+{
+	
+}
+
+- (void)handleTokenByApplyingRulesForParsingTokensInForeignContent:(HTMLToken *)token
+{
+
+}
+
 @end