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C++ StringData::mutableData方法代码示例

本文整理汇总了C++中StringData::mutableData方法的典型用法代码示例。如果您正苦于以下问题:C++ StringData::mutableData方法的具体用法?C++ StringData::mutableData怎么用?C++ StringData::mutableData使用的例子?那么恭喜您, 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StringData的用法示例。


在下文中一共展示了StringData::mutableData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: xdebug_get_php_symbol

Variant xdebug_get_php_symbol(ActRec* ar, StringData* name) {
    int state;
    auto slice = name->slice();
    const char *p = slice.begin();
    const char *end = slice.end();
    const char *keyword = nullptr;
    const char *keyword_end = nullptr;
    Class* ctx = nullptr;
    Variant sym;
    String key(name->size(), ReserveStringMode());
    char quotechar = 0;
    SymbolType type = SymbolType::Root;

    StringData* sd = key.get();
    char* keyBuf = sd->mutableData();

    for (; p != end; ++p) {
        switch (state) {
        case 0:
            if (*p == '$') {
                keyword = p + 1;
                break;
            }
            // special tricks
            if (*p == ':') {
                keyword = p;
                state = 7;
                break;
            }
            keyword = p;
            state = 1;
        // fallthrough
        case 1:
            if (*p == '[') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    ctx = nullptr;
                    keyword = nullptr;
                }
                state = 3;
            } else if (*p == '-') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    ctx = xdebug_get_sym_class(sym);
                    keyword = nullptr;
                }
                state = 2;
                type = SymbolType::ObjProp;
            } else if (*p == ':') {
                keyword_end = p;
                if (keyword) {
                    memcpy(keyBuf, keyword, keyword_end - keyword);
                    sd->setSize(keyword_end - keyword);
                    // XXX: this call is going to set ctx
                    sym = xdebug_lookup_symbol(type, key, ctx, sym, ar);
                    keyword = nullptr;
                }
                state = 8;
                type = SymbolType::StaticProp;
            }
            break;
        case 2:
            if (*p != '>') {
                keyword = p;
                state = 1;
            }
            break;
        case 8:
            if (*p != ':') {
                keyword = p;
                state = 1;
            }
            break;
        // Parsing in [...]
        case 3:
            // Associative arrays
            if (*p == '\'' || *p == '"') {
                state = 4;
                keyword = p + 1;
                quotechar = *p;
                type = SymbolType::ArrayIndexAssoc;
            }
            // Numerical index
            if (*p >= '0' && *p <= '9') {
                state = 6;
                keyword = p;
                type = SymbolType::ArrayIndexNum;
            }
            // Numerical index starting with a -
            if (*p == '-') {
                state = 9;
                keyword = p;
            }
            break;
//.........这里部分代码省略.........
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