iska
145 lines
3.9 KiB
C
145 lines
3.9 KiB
C
//
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// CSSTokenizer CODEPOINTs.h
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// HTMLKit
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//
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// Created by Iska on 08/06/15.
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// Copyright (c) 2015 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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#define CODEPOINTS \
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CODEPOINT( CONTROL, 0x0080 ) \
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CODEPOINT( CHARACTER_TABULATION, 0x0009 ) \
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CODEPOINT( LINE_FEED, 0x000A ) \
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CODEPOINT( SPACE, 0x0020 ) \
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CODEPOINT( QUOTATION_MARK, 0x0022 ) \
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CODEPOINT( NUMBER_SIGN, 0x0023 ) \
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CODEPOINT( DOLLAR_SIGN, 0x0024 ) \
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CODEPOINT( APOSTROPHE, 0x0027 ) \
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CODEPOINT( LEFT_PARENTHESIS, 0x0028 ) \
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CODEPOINT( RIGHT_PARENTHESIS, 0x0029 ) \
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CODEPOINT( ASTERIX, 0x002A ) \
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CODEPOINT( PLUS_SIGN, 0x002B ) \
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CODEPOINT( COMMA, 0x002C ) \
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CODEPOINT( HYPHEN_MINUS, 0x002D ) \
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CODEPOINT( FULL_STOP, 0x002E ) \
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CODEPOINT( DIGIT_ZERO, 0x0030 ) \
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CODEPOINT( DIGIT_NINE, 0x0039 ) \
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CODEPOINT( COLON, 0x003A ) \
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CODEPOINT( EQUALS_SIGN, 0x003D ) \
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CODEPOINT( GREATER_THAN_SIGN, 0x003E ) \
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CODEPOINT( LATIN_CAPITAL_LETTER_A, 0x0041 ) \
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CODEPOINT( LATIN_CAPITAL_LETTER_F, 0x0046 ) \
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CODEPOINT( LATIN_CAPITAL_LETTER_Z, 0x005A ) \
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CODEPOINT( LEFT_SQUARE_BRACKET, 0x005B ) \
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CODEPOINT( REVERSE_SOLIDUS, 0x005C ) \
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CODEPOINT( RIGHT_SQUARE_BRACKET, 0x005D ) \
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CODEPOINT( CIRCUMFLEX_ACCENT, 0x005E ) \
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CODEPOINT( LOW_LINE, 0x005F ) \
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CODEPOINT( LATIN_SMALL_LETTER_A, 0x0061 ) \
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CODEPOINT( LATIN_SMALL_LETTER_F, 0x0066 ) \
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CODEPOINT( LATIN_SMALL_LETTER_Z, 0x007A ) \
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CODEPOINT( VERTICAL_LINE, 0x007C ) \
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CODEPOINT( TILDE, 0x007E ) \
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CODEPOINT( REPLACEMENT_CHARACTER, 0xFFFD )
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#define CODEPOINT( name, value ) static UniChar const name = value;
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CODEPOINTS
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#undef CODEPOINT
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NS_INLINE BOOL isWhitespace(UTF32Char codePoint)
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{
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return (codePoint == CHARACTER_TABULATION ||
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codePoint == LINE_FEED ||
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codePoint == SPACE);
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}
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NS_INLINE BOOL isCombinator(UTF32Char codePoint)
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{
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return (codePoint == SPACE ||
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codePoint == PLUS_SIGN ||
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codePoint == COMMA ||
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codePoint == GREATER_THAN_SIGN ||
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codePoint == TILDE);
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}
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NS_INLINE BOOL isDigit(UTF32Char codePoint)
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{
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return codePoint >= DIGIT_ZERO && codePoint <= DIGIT_NINE;
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}
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NS_INLINE BOOL isHexDigit(UTF32Char codePoint)
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{
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return ((codePoint >= DIGIT_ZERO && codePoint <= DIGIT_NINE) ||
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(codePoint >= LATIN_CAPITAL_LETTER_A && codePoint <= LATIN_CAPITAL_LETTER_F) ||
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(codePoint >= LATIN_SMALL_LETTER_A && codePoint <= LATIN_SMALL_LETTER_F));
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}
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NS_INLINE BOOL isQuote(UTF32Char codePoint)
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{
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return codePoint == QUOTATION_MARK || codePoint == APOSTROPHE;
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}
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NS_INLINE BOOL isNewLine(UTF32Char codePoint)
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{
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return codePoint == LINE_FEED;
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}
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NS_INLINE BOOL isNameStart(UTF32Char codePoint)
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{
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return ((codePoint >= LATIN_CAPITAL_LETTER_A && codePoint <= LATIN_CAPITAL_LETTER_Z) ||
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(codePoint >= LATIN_SMALL_LETTER_A && codePoint <= LATIN_SMALL_LETTER_Z) ||
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codePoint >= CONTROL ||
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codePoint == LOW_LINE);
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}
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NS_INLINE BOOL isName(UTF32Char codePoint)
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{
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return isNameStart(codePoint) || isDigit(codePoint) || codePoint == HYPHEN_MINUS;
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}
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NS_INLINE BOOL isValidEscape(UTF32Char first, UTF32Char second)
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{
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if (first != REVERSE_SOLIDUS || isNewLine(second)) {
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return false;
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}
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return YES;
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}
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NS_INLINE BOOL isValidEscapedCodePoint(UTF32Char codePoint)
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{
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return (codePoint != 0 &&
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!(codePoint >= 0xD800 && codePoint <= 0x0DFFF) &&
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codePoint <= 0x10FFFF);
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}
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NS_INLINE BOOL isValidIdentifierStart(UTF32Char first, UTF32Char second, UTF32Char third)
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{
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if (first == HYPHEN_MINUS) {
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if (isNameStart(second) ||
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second == HYPHEN_MINUS ||
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isValidEscape(second, third)) {
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return YES;
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} else {
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return NO;
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}
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} else if (isNameStart(first)) {
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return YES;
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} else if (first == REVERSE_SOLIDUS) {
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return isValidEscape(first, second);
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} else {
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return NO;
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}
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}
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NS_INLINE void AppendCodePoint(CFMutableStringRef string, UTF32Char codePoint)
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{
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UniChar pair[2];
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Boolean isPair = CFStringGetSurrogatePairForLongCharacter(codePoint, pair);
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CFStringAppendCharacters(string, pair, isPair ? 2 : 1);
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}
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