int Lookup::find(const struct HashTable *table, const Identifier &s)
{
const HashEntry *entry = KJS::findEntry(table, s.ustring().rep()->hash(), s.data(), s.size());
if (entry)
return entry->value;
return -1;
}
static String cssPropertyName(const Identifier& propertyName, bool* hadPixelOrPosPrefix = 0)
{
if (hadPixelOrPosPrefix)
*hadPixelOrPosPrefix = false;
unsigned length = propertyName.size();
if (!length)
return String();
Vector<UChar> name;
name.reserveInitialCapacity(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"))
name.append('-');
else {
if (isASCIIUpper(propertyName.data()[0]))
return String();
}
name.append(toASCIILower(propertyName.data()[i++]));
for (; i < length; ++i) {
UChar c = propertyName.data()[i];
if (!isASCIIUpper(c))
name.append(c);
else {
name.append('-');
name.append(toASCIILower(c));
}
}
return String::adopt(name);
}
String::String(const Identifier& str)
{
if (str.isNull())
return;
if (str.isEmpty())
m_impl = StringImpl::empty();
else
m_impl = new StringImpl(reinterpret_cast<const UChar*>(str.data()), str.size());
}
// 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.size());
#endif
if (toASCIILower(propertyName.data()[0]) != prefix[0])
return false;
unsigned length = propertyName.size();
for (unsigned i = 1; i < length; ++i) {
if (!prefix[i])
return isASCIIUpper(propertyName.data()[i]);
if (propertyName.data()[i] != prefix[i])
return false;
}
return false;
}
int Lookup::find(const struct HashTable *table, const Identifier &s)
{
return find(table, s.data(), s.size());
}
unsigned int Lookup::hash(const Identifier &key)
{
return hash(key.data(), key.size());
}
String::String(const Identifier& str)
{
if (str.isNull())
return;
m_impl = StringImpl::create(str.data(), str.size());
}
