mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-21 14:44:36 +01:00
b0581433a7
fix: remove executable flag and change back to 100644 (was 100755) Signed-off-by: Roger Meier <r.meier@siemens.com>
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
//
|
|
// UTF16Encoding.h
|
|
//
|
|
// $Id: //poco/1.4/Foundation/include/Poco/UTF16Encoding.h#1 $
|
|
//
|
|
// Library: Foundation
|
|
// Package: Text
|
|
// Module: UTF16Encoding
|
|
//
|
|
// Definition of the UTF16Encoding class.
|
|
//
|
|
// Copyright (c) 2004-2007, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_UTF16Encoding_INCLUDED
|
|
#define Foundation_UTF16Encoding_INCLUDED
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
#include "Poco/TextEncoding.h"
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
class Foundation_API UTF16Encoding: public TextEncoding
|
|
/// UTF-16 text encoding, as defined in RFC 2781.
|
|
///
|
|
/// When converting from UTF-16 to Unicode, surrogates are
|
|
/// reported as they are - in other words, surrogate pairs
|
|
/// are not combined into one Unicode character.
|
|
/// When converting from Unicode to UTF-16, however, characters
|
|
/// outside the 16-bit range are converted into a low and
|
|
/// high surrogate.
|
|
{
|
|
public:
|
|
enum ByteOrderType
|
|
{
|
|
BIG_ENDIAN_BYTE_ORDER,
|
|
LITTLE_ENDIAN_BYTE_ORDER,
|
|
NATIVE_BYTE_ORDER
|
|
};
|
|
|
|
UTF16Encoding(ByteOrderType byteOrder = NATIVE_BYTE_ORDER);
|
|
/// Creates and initializes the encoding for the given byte order.
|
|
|
|
UTF16Encoding(int byteOrderMark);
|
|
/// Creates and initializes the encoding for the byte-order
|
|
/// indicated by the given byte-order mark, which is the Unicode
|
|
/// character 0xFEFF.
|
|
|
|
~UTF16Encoding();
|
|
|
|
ByteOrderType getByteOrder() const;
|
|
/// Returns the byte-order currently in use.
|
|
|
|
void setByteOrder(ByteOrderType byteOrder);
|
|
/// Sets the byte order.
|
|
|
|
void setByteOrder(int byteOrderMark);
|
|
/// Sets the byte order according to the given
|
|
/// byte order mark, which is the Unicode
|
|
/// character 0xFEFF.
|
|
|
|
const char* canonicalName() const;
|
|
bool isA(const std::string& encodingName) const;
|
|
const CharacterMap& characterMap() const;
|
|
int convert(const unsigned char* bytes) const;
|
|
int convert(int ch, unsigned char* bytes, int length) const;
|
|
int queryConvert(const unsigned char* bytes, int length) const;
|
|
int sequenceLength(const unsigned char* bytes, int length) const;
|
|
|
|
private:
|
|
bool _flipBytes;
|
|
static const char* _names[];
|
|
static const CharacterMap _charMap;
|
|
};
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_UTF16Encoding_INCLUDED
|