#ifndef TextEncoding_h
#define TextEncoding_h
#include "TextCodec.h"
#include <wtf/Forward.h>
#include <wtf/unicode/Unicode.h>
namespace WebCore {
class TextEncoding {
public:
TextEncoding() : m_name(0) { }
TextEncoding(const char* name);
TextEncoding(const String& name);
bool isValid() const { return m_name; }
const char* name() const { return m_name; }
const char* domName() const; bool usesVisualOrdering() const;
bool isJapanese() const;
PassRefPtr<StringImpl> displayString(PassRefPtr<StringImpl> str) const
{
if (m_backslashAsCurrencySymbol == '\\' || !str)
return str;
return str->replace('\\', m_backslashAsCurrencySymbol);
}
template <typename CharacterType>
void displayBuffer(CharacterType* characters, unsigned len) const
{
if (m_backslashAsCurrencySymbol == '\\')
return;
for (unsigned i = 0; i < len; ++i) {
if (characters[i] == '\\')
characters[i] = m_backslashAsCurrencySymbol;
}
}
const TextEncoding& closestByteBasedEquivalent() const;
const TextEncoding& encodingForFormSubmission() const;
String decode(const char* str, size_t length) const
{
bool ignored;
return decode(str, length, false, ignored);
}
String decode(const char*, size_t length, bool stopOnError, bool& sawError) const;
CString encode(const UChar*, size_t length, UnencodableHandling) const;
UChar backslashAsCurrencySymbol() const;
private:
bool isNonByteBasedEncoding() const;
bool isUTF7Encoding() const;
const char* m_name;
UChar m_backslashAsCurrencySymbol;
};
inline bool operator==(const TextEncoding& a, const TextEncoding& b) { return a.name() == b.name(); }
inline bool operator!=(const TextEncoding& a, const TextEncoding& b) { return a.name() != b.name(); }
const TextEncoding& ASCIIEncoding();
const TextEncoding& Latin1Encoding();
const TextEncoding& UTF16BigEndianEncoding();
const TextEncoding& UTF16LittleEndianEncoding();
const TextEncoding& UTF32BigEndianEncoding();
const TextEncoding& UTF32LittleEndianEncoding();
const TextEncoding& UTF8Encoding();
const TextEncoding& WindowsLatin1Encoding();
}
#endif // TextEncoding_h