abfbd55305
The new class Path only holds a string pointer without being responsible for allocation/deallocation. The FileSystem.hxx library accepts Path arguments instead of AllocatedPath, to avoid forcing callers to allocate another string object.
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
/*
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* Copyright (C) 2003-2013 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 "AllocatedPath.hxx"
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#include "Domain.hxx"
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#include "Charset.hxx"
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#include "util/Error.hxx"
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#include "Compiler.h"
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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inline AllocatedPath::AllocatedPath(Donate, pointer _value)
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:value(_value) {
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g_free(_value);
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}
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/* no inlining, please */
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AllocatedPath::~AllocatedPath() {}
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AllocatedPath
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AllocatedPath::Build(const_pointer a, const_pointer b)
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{
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return AllocatedPath(Donate(), g_build_filename(a, b, nullptr));
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}
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AllocatedPath
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AllocatedPath::FromUTF8(const char *path_utf8)
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{
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return AllocatedPath(Donate(), ::PathFromUTF8(path_utf8));
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}
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AllocatedPath
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AllocatedPath::FromUTF8(const char *path_utf8, Error &error)
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{
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AllocatedPath path = FromUTF8(path_utf8);
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if (path.IsNull())
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error.Format(path_domain,
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"Failed to convert to file system charset: %s",
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path_utf8);
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return path;
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}
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AllocatedPath
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AllocatedPath::GetDirectoryName() const
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{
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return AllocatedPath(Donate(), g_path_get_dirname(c_str()));
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}
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std::string
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AllocatedPath::ToUTF8() const
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{
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return ::PathToUTF8(c_str());
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}
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const char *
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AllocatedPath::RelativeFS(const char *other_fs) const
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{
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const size_t l = length();
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if (memcmp(data(), other_fs, l) != 0)
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return nullptr;
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other_fs += l;
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if (*other_fs != 0) {
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if (!PathTraits::IsSeparatorFS(*other_fs))
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/* mismatch */
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return nullptr;
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/* skip remaining path separators */
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do {
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++other_fs;
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} while (PathTraits::IsSeparatorFS(*other_fs));
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}
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return other_fs;
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}
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void
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AllocatedPath::ChopSeparators()
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{
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size_t l = length();
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const char *p = data();
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while (l >= 2 && PathTraits::IsSeparatorFS(p[l - 1])) {
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--l;
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#if GCC_CHECK_VERSION(4,7) && !defined(__clang__)
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value.pop_back();
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#else
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value.erase(value.end() - 1, value.end());
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#endif
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}
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}
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