79986643c0
Trunk merge conflicts resolved git-svn-id: svn://localhost/ardour2/branches/undo@756 d708f5d6-7413-0410-9779-e7cbd77b26cf
165 lines
3.7 KiB
C++
165 lines
3.7 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <cerrno>
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#include <glib.h>
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#include <glib/gstdio.h>
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#include <glibmm/miscutils.h>
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#include <glibmm/fileutils.h>
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#include <pbd/path.h>
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#include <pbd/tokenizer.h>
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namespace PBD {
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Path::Path ()
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{
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}
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Path::Path (const string& path)
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{
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vector<string> tmp;
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if(!tokenize ( path, string(":;"), std::back_inserter (tmp))) {
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g_warning ("%s : %s\n", G_STRLOC, G_STRFUNC);
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return;
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}
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add_readable_directories (tmp);
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}
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Path::Path (const vector<string>& paths)
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{
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add_readable_directories (paths);
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}
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Path::Path (const Path& other)
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: m_dirs(other.m_dirs)
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{
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}
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bool
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Path::readable_directory (const string& directory_path)
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{
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if (g_access (directory_path.c_str(), R_OK) == 0) {
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if (Glib::file_test(directory_path, Glib::FILE_TEST_IS_DIR)) {
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return true;
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} else {
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g_warning (" %s : Path exists but is not a directory\n", G_STRLOC);
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}
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} else {
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g_warning ("%s : %s : %s\n", G_STRLOC, directory_path.c_str(), g_strerror(errno));
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}
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return false;
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}
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void
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Path::add_readable_directory (const string& directory_path)
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{
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if(readable_directory(directory_path)) {
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m_dirs.push_back(directory_path);
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}
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}
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void
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Path::add_readable_directories (const vector<string>& paths)
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{
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for(vector<string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
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add_readable_directory (*i);
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}
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}
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const string
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Path::path_string() const
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{
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string path;
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for (vector<string>::const_iterator i = m_dirs.begin(); i != m_dirs.end(); ++i) {
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path += (*i);
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path += G_SEARCHPATH_SEPARATOR;
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}
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g_message ("%s : %s", G_STRLOC, path.c_str());
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return path.substr (0, path.length() - 1); // drop final colon
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}
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const Path&
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Path::operator= (const Path& path)
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{
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m_dirs = path.m_dirs;
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return *this;
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}
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const Path&
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Path::operator+= (const string& directory_path)
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{
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add_readable_directory (directory_path);
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return *this;
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}
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const Path
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operator+ (const Path& lhs_path, const Path& rhs_path)
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{
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Path tmp_path(lhs_path); // does this do what I think it does.
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// concatenate paths into new Path
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tmp_path.m_dirs.insert(tmp_path.m_dirs.end(), rhs_path.m_dirs.begin(), rhs_path.m_dirs.end());
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return tmp_path;
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}
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Path&
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Path::add_subdirectory_to_path (const string& subdir)
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{
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vector<string> tmp;
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string directory_path;
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for (vector<string>::iterator i = m_dirs.begin(); i != m_dirs.end(); ++i) {
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directory_path = Glib::build_filename (*i, subdir);
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if(readable_directory(directory_path)) {
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tmp.push_back(directory_path);
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}
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}
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m_dirs = tmp;
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return *this;
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}
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bool
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find_file_in_path (const Path& path, const string& filename, string& resulting_path)
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{
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for (vector<string>::const_iterator i = path.dirs().begin(); i != path.dirs().end(); ++i) {
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resulting_path = Glib::build_filename ((*i), filename);
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if (g_access (resulting_path.c_str(), R_OK) == 0) {
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g_message ("File %s found in Path : %s\n", resulting_path.c_str(),
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path.path_string().c_str());
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return true;
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}
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}
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g_warning ("%s : Could not locate file %s in path %s\n", G_STRLOC, filename.c_str(),
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path.path_string().c_str());
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return false;
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}
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} // namespace PBD
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