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//
// TextConverter.h
//
// Library: Foundation
// Package: Text
// Module: TextConverter
//
// Definition of the TextConverter class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_TextConverter_INCLUDED
#define Foundation_TextConverter_INCLUDED
#include "Poco/Foundation.h"
namespace Poco {
class TextEncoding;
class Foundation_API TextConverter
/// A TextConverter converts strings from one encoding
/// into another.
{
public:
typedef int (*Transform)(int);
/// Transform function for convert.
TextConverter(const TextEncoding& inEncoding, const TextEncoding& outEncoding, int defaultChar = '?');
/// Creates the TextConverter. The encoding objects must not be deleted while the
/// TextConverter is in use.
~TextConverter();
/// Destroys the TextConverter.
int convert(const std::string& source, std::string& destination, Transform trans);
/// Converts the source string from inEncoding to outEncoding
/// and appends the result to destination. Every character is
/// passed to the transform function.
/// If a character cannot be represented in outEncoding, defaultChar
/// is used instead.
/// Returns the number of encoding errors (invalid byte sequences
/// in source).
int convert(const void* source, int length, std::string& destination, Transform trans);
/// Converts the source buffer from inEncoding to outEncoding
/// and appends the result to destination. Every character is
/// passed to the transform function.
/// If a character cannot be represented in outEncoding, defaultChar
/// is used instead.
/// Returns the number of encoding errors (invalid byte sequences
/// in source).
int convert(const std::string& source, std::string& destination);
/// Converts the source string from inEncoding to outEncoding
/// and appends the result to destination.
/// If a character cannot be represented in outEncoding, defaultChar
/// is used instead.
/// Returns the number of encoding errors (invalid byte sequences
/// in source).
int convert(const void* source, int length, std::string& destination);
/// Converts the source buffer from inEncoding to outEncoding
/// and appends the result to destination.
/// If a character cannot be represented in outEncoding, defaultChar
/// is used instead.
/// Returns the number of encoding errors (invalid byte sequences
/// in source).
private:
TextConverter();
TextConverter(const TextConverter&);
TextConverter& operator = (const TextConverter&);
const TextEncoding& _inEncoding;
const TextEncoding& _outEncoding;
int _defaultChar;
};
} // namespace Poco
#endif // Foundation_TextConverter_INCLUDED
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