C++ (Cpp) CSSParser::parseSelector示例

示例#1

文件： CSSStyleRule.cpp 项目： 0omega/platform_external_webkit

void CSSStyleRule::setSelectorText(const String& selectorText)
{
    Document* doc = 0;
    StyleSheet* ownerStyleSheet = m_style->stylesheet();
    if (ownerStyleSheet) {
        if (ownerStyleSheet->isCSSStyleSheet())
            doc = static_cast<CSSStyleSheet*>(ownerStyleSheet)->document();
        if (!doc)
            doc = ownerStyleSheet->ownerNode() ? ownerStyleSheet->ownerNode()->document() : 0;
    }
    if (!doc)
        doc = m_style->node() ? m_style->node()->document() : 0;

    if (!doc)
        return;

    CSSParser p;
    CSSSelectorList selectorList;
    p.parseSelector(selectorText, doc, selectorList);
    if (!selectorList.first())
        return;

    String oldSelectorText = this->selectorText();
    m_selectorList.adopt(selectorList);
    if (this->selectorText() == oldSelectorText)
        return;

    doc->styleSelectorChanged(DeferRecalcStyle);
}

示例#2

void CSSPageRule::setSelectorText(const String& selectorText)
{
    Document* doc = 0;
    if (CSSStyleSheet* styleSheet = parentStyleSheet())
        doc = styleSheet->findDocument();
    if (!doc)
        return;
    
    CSSParser p;
    CSSSelectorList selectorList;
    p.parseSelector(selectorText, doc, selectorList);
    if (!selectorList.first())
        return;
    
    String oldSelectorText = this->selectorText();
    m_selectorList.adopt(selectorList);
    
    if (this->selectorText() == oldSelectorText)
        return;
    doc->styleSelectorChanged(DeferRecalcStyle);
}