iska
113 lines
2.9 KiB
Objective-C
113 lines
2.9 KiB
Objective-C
//
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// HTMLToken.h
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// HTMLKit
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//
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// Created by Iska on 20/09/14.
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// Copyright (c) 2014 BrainCookie. All rights reserved.
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//
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///------------------------------------------------------
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/// HTMLKit private header
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///------------------------------------------------------
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#import <Foundation/Foundation.h>
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@class HTMLDOCTYPEToken;
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@class HTMLTagToken;
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@class HTMLStartTagToken;
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@class HTMLEndTagToken;
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@class HTMLCommentToken;
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@class HTMLCharacterToken;
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@class HTMLParseErrorToken;
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/** @brief Returns YES if both arguments are `nil` or equal, NO otherwise. */
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NS_INLINE BOOL bothNilOrEqual(id first, id second) {
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return (first == nil && second == nil) || ([first isEqual:second]);
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}
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/** @brief The token type. */
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typedef NS_ENUM(NSUInteger, HTMLTokenType)
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{
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HTMLTokenTypeCharacter,
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HTMLTokenTypeComment,
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HTMLTokenTypeDoctype,
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HTMLTokenTypeEndTag,
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HTMLTokenTypeEOF,
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HTMLTokenTypeParseError,
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HTMLTokenTypeStartTag
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};
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/**
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Base class for HTML Tokens emitted by the Tokenizer.
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@see HTMLTokenizer
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*/
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@interface HTMLToken : NSObject
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@property (nonatomic, assign) HTMLTokenType type;
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/** @brief YES if this token is DOCTYPE token. NO otherwise */
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- (BOOL)isDoctypeToken;
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/** @brief YES if this token is Start Tag token. NO otherwise */
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- (BOOL)isStartTagToken;
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/** @brief YES if this token is End Tag token. NO otherwise */
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- (BOOL)isEndTagToken;
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/** @brief YES if this token is Comment token. NO otherwise */
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- (BOOL)isCommentToken;
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/** @brief YES if this token is Character token. NO otherwise */
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- (BOOL)isCharacterToken;
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/** @brief YES if this token is EOF token. NO otherwise */
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- (BOOL)isEOFToken;
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/** @brief YES if this token is Parse Error token. NO otherwise */
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- (BOOL)isParseError;
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/**
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@brief Casts this token to DOCTYPE token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLDOCTYPEToken *)asDoctypeToken;
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/**
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@brief Casts this token to Tag token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLTagToken *)asTagToken;
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/**
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@brief Casts this token to Start Tag token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLStartTagToken *)asStartTagToken;
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/**
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@brief Casts this token to End Tag token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLEndTagToken *)asEndTagToken;
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/**
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@brief Casts this token to Comment token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLCommentToken *)asCommentToken;
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/**
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@brief Casts this token to Character token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLCharacterToken *)asCharacterToken;
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/**
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@brief Casts this token to Parse Error token.
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@warning This is a convenience method and should be paired with the appropriate check.
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*/
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- (HTMLParseErrorToken *)asParseError;
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@end
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