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C++ SegmentedString::push方法代码示例

本文整理汇总了C++中SegmentedString::push方法的典型用法代码示例。如果您正苦于以下问题:C++ SegmentedString::push方法的具体用法?C++ SegmentedString::push怎么用?C++ SegmentedString::push使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SegmentedString的用法示例。


在下文中一共展示了SegmentedString::push方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: consumeHTMLEntity

bool consumeHTMLEntity(SegmentedString& source, Vector<UChar, 16>& decodedEntity, bool& notEnoughCharacters, UChar additionalAllowedCharacter)
{
    ASSERT(!additionalAllowedCharacter || additionalAllowedCharacter == '"' || additionalAllowedCharacter == '\'' || additionalAllowedCharacter == '>');
    ASSERT(!notEnoughCharacters);
    ASSERT(decodedEntity.isEmpty());

    enum EntityState {
        Initial,
        Number,
        MaybeHexLowerCaseX,
        MaybeHexUpperCaseX,
        Hex,
        Decimal,
        Named
    };
    EntityState entityState = Initial;
    UChar32 result = 0;
    Vector<UChar, 10> consumedCharacters;

    while (!source.isEmpty()) {
        UChar cc = *source;
        switch (entityState) {
        case Initial: {
            if (cc == '\x09' || cc == '\x0A' || cc == '\x0C' || cc == ' ' || cc == '<' || cc == '&')
                return false;
            if (additionalAllowedCharacter && cc == additionalAllowedCharacter)
                return false;
            if (cc == '#') {
                entityState = Number;
                break;
            }
            if ((cc >= 'a' && cc <= 'z') || (cc >= 'A' && cc <= 'Z')) {
                entityState = Named;
                continue;
            }
            return false;
        }
        case Number: {
            if (cc == 'x') {
                entityState = MaybeHexLowerCaseX;
                break;
            }
            if (cc == 'X') {
                entityState = MaybeHexUpperCaseX;
                break;
            }
            if (cc >= '0' && cc <= '9') {
                entityState = Decimal;
                continue;
            }
            source.push('#');
            return false;
        }
        case MaybeHexLowerCaseX: {
            if (isHexDigit(cc)) {
                entityState = Hex;
                continue;
            }
            source.push('#');
            source.push('x');
            return false;
        }
        case MaybeHexUpperCaseX: {
            if (isHexDigit(cc)) {
                entityState = Hex;
                continue;
            }
            source.push('#');
            source.push('X');
            return false;
        }
        case Hex: {
            if (cc >= '0' && cc <= '9')
                result = result * 16 + cc - '0';
            else if (cc >= 'a' && cc <= 'f')
                result = result * 16 + 10 + cc - 'a';
            else if (cc >= 'A' && cc <= 'F')
                result = result * 16 + 10 + cc - 'A';
            else {
                if (cc == ';')
                    source.advanceAndASSERT(cc);
                return convertToUTF16(legalEntityFor(result), decodedEntity);
            }
            break;
        }
        case Decimal: {
            if (cc >= '0' && cc <= '9')
                result = result * 10 + cc - '0';
            else {
                if (cc == ';')
                    source.advanceAndASSERT(cc);
                return convertToUTF16(legalEntityFor(result), decodedEntity);
            }
            break;
        }
        case Named: {
            HTMLEntitySearch entitySearch;
            while (!source.isEmpty()) {
                cc = *source;
                entitySearch.advance(cc);
//.........这里部分代码省略.........
开发者ID:azrul2202,项目名称:WebKit-Smartphone,代码行数:101,代码来源:HTMLEntityParser.cpp


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