本文整理汇总了C++中nsAutoString::IsEmpty方法的典型用法代码示例。如果您正苦于以下问题：C++ nsAutoString::IsEmpty方法的具体用法？C++ nsAutoString::IsEmpty怎么用？C++ nsAutoString::IsEmpty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类nsAutoString的用法示例。
在下文中一共展示了nsAutoString::IsEmpty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: acceptLangs
bool
SVGTests::PassesConditionalProcessingTests(const nsString *aAcceptLangs) const
{
// Required Features
if (mStringListAttributes[FEATURES].IsExplicitlySet()) {
if (mStringListAttributes[FEATURES].IsEmpty()) {
return false;
}
nsCOMPtr<nsIContent> content(
do_QueryInterface(const_cast<SVGTests*>(this)));
for (uint32_t i = 0; i < mStringListAttributes[FEATURES].Length(); i++) {
if (!nsSVGFeatures::HasFeature(content, mStringListAttributes[FEATURES][i])) {
return false;
}
}
}
// Required Extensions
//
// The requiredExtensions attribute defines a list of required language
// extensions. Language extensions are capabilities within a user agent that
// go beyond the feature set defined in the SVG specification.
// Each extension is identified by a URI reference.
// For now, claim that mozilla's SVG implementation supports XHTML and MathML.
if (mStringListAttributes[EXTENSIONS].IsExplicitlySet()) {
if (mStringListAttributes[EXTENSIONS].IsEmpty()) {
return false;
}
for (uint32_t i = 0; i < mStringListAttributes[EXTENSIONS].Length(); i++) {
if (!nsSVGFeatures::HasExtension(mStringListAttributes[EXTENSIONS][i])) {
return false;
}
}
}
if (aAcceptLangs == kIgnoreSystemLanguage) {
return true;
}
// systemLanguage
//
// Evaluates to "true" if one of the languages indicated by user preferences
// exactly equals one of the languages given in the value of this parameter,
// or if one of the languages indicated by user preferences exactly equals a
// prefix of one of the languages given in the value of this parameter such
// that the first tag character following the prefix is "-".
if (mStringListAttributes[LANGUAGE].IsExplicitlySet()) {
if (mStringListAttributes[LANGUAGE].IsEmpty()) {
return false;
}
// Get our language preferences
const nsAutoString acceptLangs(aAcceptLangs ? *aAcceptLangs :
Preferences::GetLocalizedString("intl.accept_languages"));
if (acceptLangs.IsEmpty()) {
NS_WARNING("no default language specified for systemLanguage conditional test");
return false;
}
const nsDefaultStringComparator defaultComparator;
for (uint32_t i = 0; i < mStringListAttributes[LANGUAGE].Length(); i++) {
nsCharSeparatedTokenizer languageTokenizer(acceptLangs, ',');
while (languageTokenizer.hasMoreTokens()) {
if (nsStyleUtil::DashMatchCompare(mStringListAttributes[LANGUAGE][i],
languageTokenizer.nextToken(),
defaultComparator)) {
return true;
}
}
}
return false;
}
return true;
}