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livetrax/libs/pbd/file_utils.cc

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/*
Copyright (C) 2007 Tim Mayberry
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <algorithm>
#include <glibmm/fileutils.h>
#include <glibmm/pattern.h>
#include <pbd/compose.h>
#include <pbd/file_utils.h>
#include <pbd/error.h>
namespace PBD {
void
get_files_in_directory (const sys::path& directory_path, vector<string>& result)
{
if (!is_directory(directory_path)) return;
try
{
Glib::Dir dir(directory_path.to_string());
std::copy(dir.begin(), dir.end(), std::back_inserter(result));
}
catch (Glib::FileError& err)
{
warning << err.what() << endmsg;
}
}
void
find_matching_files_in_directory (const sys::path& directory,
const Glib::PatternSpec& pattern,
vector<sys::path>& result)
{
vector<string> tmp_files;
get_files_in_directory (directory, tmp_files);
for (vector<string>::iterator file_iter = tmp_files.begin();
file_iter != tmp_files.end();
++file_iter)
{
if (!pattern.match(*file_iter)) continue;
sys::path full_path(directory);
full_path /= *file_iter;
result.push_back(full_path);
}
}
void
find_matching_files_in_directories (const vector<sys::path>& paths,
const Glib::PatternSpec& pattern,
vector<sys::path>& result)
{
for (vector<sys::path>::const_iterator path_iter = paths.begin();
path_iter != paths.end();
++path_iter)
{
find_matching_files_in_directory (*path_iter, pattern, result);
}
}
void
find_matching_files_in_search_path (const SearchPath& search_path,
const Glib::PatternSpec& pattern,
vector<sys::path>& result)
{
vector<sys::path> dirs;
std::copy(search_path.begin(), search_path.end(), std::back_inserter(dirs));
find_matching_files_in_directories (dirs, pattern, result);
}
bool
find_file_in_search_path(const SearchPath& search_path,
const string& filename,
sys::path& result)
{
vector<sys::path> tmp;
Glib::PatternSpec tmp_pattern(filename);
find_matching_files_in_search_path (search_path, tmp_pattern, tmp);
if (tmp.size() == 0)
{
info << string_compose
(
"Found no file named %1 in search path %2",
filename,
search_path.get_string ()
)
<< endmsg;
return false;
}
#if 0
if (tmp.size() != 1)
{
info << string_compose
(
"Found more than one file matching %1 in search path %2",
filename,
search_path.get_string ()
)
<< endmsg;
}
#endif
result = tmp.front();
return true;
}
} // namespace PBD