125 lines
2.8 KiB
C++
125 lines
2.8 KiB
C++
/*
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* Copyright (C) 2003-2015 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "Charset.hxx"
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#include "Domain.hxx"
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#include "Limits.hxx"
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#include "Log.hxx"
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#include "lib/icu/Converter.hxx"
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#include "util/Error.hxx"
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#include <algorithm>
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#include <assert.h>
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#include <string.h>
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#ifdef HAVE_FS_CHARSET
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static std::string fs_charset;
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static IcuConverter *fs_converter;
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bool
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SetFSCharset(const char *charset, Error &error)
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{
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assert(charset != nullptr);
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assert(fs_converter == nullptr);
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fs_converter = IcuConverter::Create(charset, error);
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if (fs_converter == nullptr)
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return false;
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FormatDebug(path_domain,
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"SetFSCharset: fs charset is: %s", fs_charset.c_str());
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return true;
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}
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#endif
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void
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DeinitFSCharset()
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{
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#ifdef HAVE_ICU_CONVERTER
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delete fs_converter;
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fs_converter = nullptr;
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#endif
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}
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const char *
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GetFSCharset()
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{
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#ifdef HAVE_FS_CHARSET
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return fs_charset.empty() ? "UTF-8" : fs_charset.c_str();
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#else
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return "UTF-8";
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#endif
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}
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static inline PathTraitsUTF8::string &&
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FixSeparators(PathTraitsUTF8::string &&s)
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{
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// For whatever reason GCC can't convert constexpr to value reference.
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// This leads to link errors when passing separators directly.
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auto to = PathTraitsUTF8::SEPARATOR;
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decltype(to) from = PathTraitsFS::SEPARATOR;
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if (from != to)
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/* convert backslash to slash on WIN32 */
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std::replace(s.begin(), s.end(), from, to);
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return std::move(s);
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}
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PathTraitsUTF8::string
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PathToUTF8(PathTraitsFS::const_pointer path_fs)
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{
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#if !CLANG_CHECK_VERSION(3,6)
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/* disabled on clang due to -Wtautological-pointer-compare */
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assert(path_fs != nullptr);
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#endif
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#ifdef HAVE_FS_CHARSET
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if (fs_converter == nullptr)
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#endif
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return FixSeparators(path_fs);
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#ifdef HAVE_FS_CHARSET
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return FixSeparators(fs_converter->ToUTF8(path_fs));
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#endif
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}
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#ifdef HAVE_FS_CHARSET
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PathTraitsFS::string
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PathFromUTF8(PathTraitsUTF8::const_pointer path_utf8)
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{
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#if !CLANG_CHECK_VERSION(3,6)
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/* disabled on clang due to -Wtautological-pointer-compare */
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assert(path_utf8 != nullptr);
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#endif
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if (fs_converter == nullptr)
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return path_utf8;
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return fs_converter->FromUTF8(path_utf8);
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}
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#endif
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