mpd/src/fs/AllocatedPath.cxx

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/*
2014-01-13 22:30:36 +01:00
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.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 2 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.
*/
#include "config.h"
#include "AllocatedPath.hxx"
#include "Domain.hxx"
#include "Charset.hxx"
#include "util/Error.hxx"
#include "Compiler.h"
#include <glib.h>
#include <string.h>
inline AllocatedPath::AllocatedPath(Donate, pointer _value)
:value(_value) {
g_free(_value);
}
/* no inlining, please */
AllocatedPath::~AllocatedPath() {}
AllocatedPath
AllocatedPath::FromUTF8(const char *path_utf8)
{
return AllocatedPath(Donate(), ::PathFromUTF8(path_utf8));
}
AllocatedPath
AllocatedPath::FromUTF8(const char *path_utf8, Error &error)
{
AllocatedPath path = FromUTF8(path_utf8);
if (path.IsNull())
error.Format(path_domain,
"Failed to convert to file system charset: %s",
path_utf8);
return path;
}
AllocatedPath
AllocatedPath::GetDirectoryName() const
{
return FromFS(PathTraitsFS::GetParent(c_str()));
}
std::string
AllocatedPath::ToUTF8() const
{
return ::PathToUTF8(c_str());
}
const char *
AllocatedPath::RelativeFS(const char *other_fs) const
{
const size_t l = length();
if (memcmp(data(), other_fs, l) != 0)
return nullptr;
other_fs += l;
if (*other_fs != 0) {
if (!PathTraitsFS::IsSeparator(*other_fs))
/* mismatch */
return nullptr;
/* skip remaining path separators */
do {
++other_fs;
} while (PathTraitsFS::IsSeparator(*other_fs));
}
return other_fs;
}
void
AllocatedPath::ChopSeparators()
{
size_t l = length();
const char *p = data();
while (l >= 2 && PathTraitsFS::IsSeparator(p[l - 1])) {
--l;
#if GCC_CHECK_VERSION(4,7) && !defined(__clang__)
value.pop_back();
#else
value.erase(value.end() - 1, value.end());
#endif
}
}