Aegisub/libaegisub/unix/fs.cpp

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// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include "config.h"
#include "libaegisub/access.h"
#include "libaegisub/fs.h"
#include "libaegisub/io.h"
#include <boost/filesystem.hpp>
#include <fcntl.h>
#include <fnmatch.h>
#include <istream>
#include <sys/time.h>
namespace bfs = boost::filesystem;
namespace agi { namespace fs {
std::string ShortName(path const& p) {
return p.string();
}
void Touch(path const& file) {
CreateDirectory(file.parent_path());
int fd = open(file.c_str(), O_CREAT | O_APPEND | O_WRONLY, 0644);
if (fd >= 0) {
futimes(fd, nullptr);
close(fd);
}
}
void Copy(fs::path const& from, fs::path const& to) {
acs::CheckFileRead(from);
CreateDirectory(to.parent_path());
acs::CheckDirWrite(to.parent_path());
auto in = io::Open(from, true);
io::Save(to).Get() << in->rdbuf();
}
struct DirectoryIterator::PrivData {
boost::system::error_code ec;
bfs::directory_iterator it;
std::string filter;
PrivData(path const& p, std::string const& filter) : it(p, ec), filter(filter) { }
bool bad() const {
return
it == bfs::directory_iterator() ||
(!filter.empty() && fnmatch(filter.c_str(), it->path().filename().c_str(), 0));
}
};
DirectoryIterator::DirectoryIterator() { }
DirectoryIterator::DirectoryIterator(path const& p, std::string const& filter)
: privdata(new PrivData(p, filter))
{
if (privdata->it == bfs::directory_iterator())
privdata.reset();
else if (privdata->bad())
++*this;
else
value = privdata->it->path().filename().string();
}
bool DirectoryIterator::operator==(DirectoryIterator const& rhs) const {
return privdata.get() == rhs.privdata.get();
}
DirectoryIterator& DirectoryIterator::operator++() {
if (!privdata) return *this;
++privdata->it;
while (privdata->bad()) {
if (privdata->it == bfs::directory_iterator()) {
privdata.reset();
return *this;
}
++privdata->it;
}
value = privdata->it->path().filename().string();
return *this;
}
DirectoryIterator::~DirectoryIterator() { }
} }