84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
// Copyright (c) 2009, Thomas Goyne
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file charset_conv.cpp
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/// @brief Iconv-based implementation of character set conversions
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/// @ingroup utility
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///
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#include "config.h"
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#include "charset_conv.h"
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#ifndef AGI_PRE
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#include <errno.h>
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#include <stdint.h>
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#include <wx/intl.h>
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#endif
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class AegisubCSConvImpl : public AegisubCSConv {
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public:
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AegisubCSConvImpl() { }
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};
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AegisubCSConv::AegisubCSConv()
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: conv("wchar_t", "")
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{
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}
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size_t AegisubCSConv::ToWChar(wchar_t *dst, size_t dstSize, const char *src, size_t srcLen) const {
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throw agi::charset::UnsupportedConversion("Cannot convert to local with csConvLocal");
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}
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/// @brief Convert a string from wide characters to multibyte
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/// @param dst Destination buffer
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/// @param dstSize Length of destination buffer in bytes
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/// @param src Source wide character string
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/// @param srcLen Length in wchar_ts of source, or -1 to autodetect
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/// @return The number of bytes needed to store the string in the target charset
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size_t AegisubCSConv::FromWChar(char *dst, size_t dstSize, const wchar_t *src, size_t srcLen) const {
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try {
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if (srcLen != (size_t)-1) {
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if (src[srcLen - 1] == 0) srcLen -= 1;
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srcLen *= sizeof(wchar_t);
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}
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if (dstSize == 0) {
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return conv.RequiredBufferSize(reinterpret_cast<const char*>(src), srcLen);
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}
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return conv.Convert(reinterpret_cast<const char*>(src), srcLen, dst, dstSize);
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}
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catch (agi::charset::ConvError const&) {
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return (size_t)-1;
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}
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}
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static AegisubCSConvImpl localConv;
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AegisubCSConv& csConvLocal = localConv;
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