本文整理汇总了C++中JSString::hasPureChars方法的典型用法代码示例。如果您正苦于以下问题：C++ JSString::hasPureChars方法的具体用法？C++ JSString::hasPureChars怎么用？C++ JSString::hasPureChars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类JSString的用法示例。
在下文中一共展示了JSString::hasPureChars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: key
bool
JSCompartment::wrap(JSContext *cx, JSString **strp)
{
JS_ASSERT(!cx->runtime()->isAtomsCompartment(this));
JS_ASSERT(cx->compartment() == this);
/* If the string is already in this compartment, we are done. */
JSString *str = *strp;
if (str->zone() == zone())
return true;
/* If the string is an atom, we don't have to copy. */
if (str->isAtom()) {
JS_ASSERT(cx->runtime()->isAtomsZone(str->zone()));
return true;
}
/* Check the cache. */
RootedValue key(cx, StringValue(str));
if (WrapperMap::Ptr p = crossCompartmentWrappers.lookup(key)) {
*strp = p->value().get().toString();
return true;
}
/*
* No dice. Make a copy, and cache it. Directly allocate the copy in the
* destination compartment, rather than first flattening it (and possibly
* allocating in source compartment), because we don't know whether the
* flattening will pay off later.
*/
JSString *copy;
if (str->hasPureChars()) {
copy = js_NewStringCopyN<CanGC>(cx, str->pureChars(), str->length());
} else {
ScopedJSFreePtr<jschar> copiedChars;
if (!str->copyNonPureCharsZ(cx, copiedChars))
return false;
copy = js_NewString<CanGC>(cx, copiedChars.forget(), str->length());
}
if (!copy)
return false;
if (!putWrapper(cx, key, StringValue(copy)))
return false;
*strp = copy;
return true;
}