本文整理汇总了C++中Identifier::length方法的典型用法代码示例。如果您正苦于以下问题:C++ Identifier::length方法的具体用法?C++ Identifier::length怎么用?C++ Identifier::length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Identifier
的用法示例。
在下文中一共展示了Identifier::length方法的3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: cssPropertyName
static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0)
{
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = false;
unsigned length = propertyName.length();
if (!length)
return String();
StringImpl* propertyNameString = propertyName.impl();
// If there is no uppercase character in the propertyName, there can
// be no prefix, nor extension and we can return the same string.
if (!containsASCIIUpperChar(*propertyNameString))
return String(propertyNameString);
StringBuilder builder;
builder.reserveCapacity(length);
unsigned i = 0;
switch (getCSSPropertyNamePrefix(*propertyNameString)) {
case PropertyNamePrefixNone:
if (isASCIIUpper((*propertyNameString)[0]))
return String();
break;
case PropertyNamePrefixCSS:
i += 3;
break;
case PropertyNamePrefixPixel:
i += 5;
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = true;
break;
case PropertyNamePrefixPos:
i += 3;
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = true;
break;
case PropertyNamePrefixApple:
case PropertyNamePrefixEpub:
case PropertyNamePrefixKHTML:
case PropertyNamePrefixWebKit:
builder.append('-');
}
builder.append(toASCIILower((*propertyNameString)[i++]));
for (; i < length; ++i) {
UChar c = (*propertyNameString)[i];
if (!isASCIIUpper(c))
builder.append(c);
else
builder.append(makeString('-', toASCIILower(c)));
}
return builder.toString();
}
示例2: hasCSSPropertyNamePrefix
// Check for a CSS prefix.
// Passed prefix is all lowercase.
// First character of the prefix within the property name may be upper or lowercase.
// Other characters in the prefix within the property name must be lowercase.
// The prefix within the property name must be followed by a capital letter.
static bool hasCSSPropertyNamePrefix(const Identifier& propertyName, const char* prefix)
{
#ifndef NDEBUG
ASSERT(*prefix);
for (const char* p = prefix; *p; ++p)
ASSERT(isASCIILower(*p));
ASSERT(propertyName.length());
#endif
if (toASCIILower(propertyName.characters()[0]) != prefix[0])
return false;
unsigned length = propertyName.length();
for (unsigned i = 1; i < length; ++i) {
if (!prefix[i])
return isASCIIUpper(propertyName.characters()[i]);
if (propertyName.characters()[i] != prefix[i])
return false;
}
return false;
}
示例3: cssPropertyName
static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0)
{
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = false;
unsigned length = propertyName.length();
if (!length)
return String();
StringBuilder builder;
builder.reserveCapacity(length);
unsigned i = 0;
if (hasCSSPropertyNamePrefix(propertyName, "css"))
i += 3;
else if (hasCSSPropertyNamePrefix(propertyName, "pixel")) {
i += 5;
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = true;
} else if (hasCSSPropertyNamePrefix(propertyName, "pos")) {
i += 3;
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = true;
} else if (hasCSSPropertyNamePrefix(propertyName, "webkit")
|| hasCSSPropertyNamePrefix(propertyName, "khtml")
|| hasCSSPropertyNamePrefix(propertyName, "apple")
|| hasCSSPropertyNamePrefix(propertyName, "epub"))
builder.append('-');
else {
if (isASCIIUpper(propertyName.characters()[0]))
return String();
}
builder.append(toASCIILower(propertyName.characters()[i++]));
for (; i < length; ++i) {
UChar c = propertyName.characters()[i];
if (!isASCIIUpper(c))
builder.append(c);
else
builder.append(makeString('-', toASCIILower(c)));
}
return builder.toString();
}