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Diffstat (limited to 'vmime-master/src/vmime/charsetConverter_iconv.hpp')
-rw-r--r-- | vmime-master/src/vmime/charsetConverter_iconv.hpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/vmime-master/src/vmime/charsetConverter_iconv.hpp b/vmime-master/src/vmime/charsetConverter_iconv.hpp new file mode 100644 index 0000000..c64813c --- /dev/null +++ b/vmime-master/src/vmime/charsetConverter_iconv.hpp @@ -0,0 +1,145 @@ +// +// VMime library (http://www.vmime.org) +// Copyright (C) 2002 Vincent Richard <vincent@vmime.org> +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 3 of +// the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// Linking this library statically or dynamically with other modules is making +// a combined work based on this library. Thus, the terms and conditions of +// the GNU General Public License cover the whole combination. +// + +#ifndef VMIME_CHARSETCONVERTER_ICONV_HPP_INCLUDED +#define VMIME_CHARSETCONVERTER_ICONV_HPP_INCLUDED + + +#include "vmime/config.hpp" + + +#if VMIME_CHARSETCONV_LIB_IS_ICONV + + +#include "vmime/charsetConverter.hpp" + + +namespace vmime { + + +/** A generic charset converter which uses iconv library. + */ +class charsetConverter_iconv : public charsetConverter { + +public: + + /** Construct and initialize an iconv charset converter. + * + * @param source input charset + * @param dest output charset + * @param opts conversion options + */ + charsetConverter_iconv( + const charset& source, + const charset& dest, + const charsetConverterOptions& opts = charsetConverterOptions() + ); + + ~charsetConverter_iconv(); + + void convert(const string& in, string& out, status* st = NULL); + void convert(utility::inputStream& in, utility::outputStream& out, status* st = NULL); + + shared_ptr <utility::charsetFilteredOutputStream> getFilteredOutputStream( + utility::outputStream& os, + const charsetConverterOptions& opts = charsetConverterOptions() + ); + +private: + + void* m_desc; + + charset m_source; + charset m_dest; + + charsetConverterOptions m_options; +}; + + +namespace utility { + + +class charsetFilteredOutputStream_iconv : public charsetFilteredOutputStream { + +public: + + /** Construct a new filter for the specified output stream. + * + * @param source input charset + * @param dest output charset + * @param os stream into which write filtered data + * @param opts conversion options + */ + charsetFilteredOutputStream_iconv( + const charset& source, + const charset& dest, outputStream* os, + const charsetConverterOptions& opts = charsetConverterOptions() + ); + + ~charsetFilteredOutputStream_iconv(); + + + outputStream& getNextOutputStream(); + + void flush(); + +protected: + + void writeImpl(const byte_t* const data, const size_t count); + +private: + + // Maximum character width in any charset + enum { MAX_CHARACTER_WIDTH = 128 }; + + + void* m_desc; + + const charset m_sourceCharset; + const charset m_destCharset; + + outputStream& m_stream; + + // Buffer in which unconverted bytes are left until they can + // be converted (when more data arrives). The length should be + // large enough to contain any character in any charset. + byte_t m_unconvBuffer[MAX_CHARACTER_WIDTH]; + size_t m_unconvCount; + + // Buffer used for conversion. Avoids declaring it in write(). + // Should be at least MAX_CHARACTER_WIDTH * MAX_CHARACTER_WIDTH. + byte_t m_outputBuffer[32768]; + + charsetConverterOptions m_options; +}; + + +} // utility + + +} // vmime + + +#endif // VMIME_CHARSETCONV_LIB_IS_ICONV + +#endif // VMIME_CHARSETCONVERTER_ICONV_HPP_INCLUDED |