2 Copyright (C) 2007 Tim Mayberry
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <glib/gstdio.h>
24 #include <giomm/file.h>
29 #include <glibmm/fileutils.h>
30 #include <glibmm/miscutils.h>
32 #include "pbd/filesystem.h"
33 #include "pbd/error.h"
34 #include "pbd/compose.h"
35 #include "pbd/pathscanner.h"
46 path::operator/=(const path& rhs)
48 m_path = Glib::build_filename(m_path, rhs.m_path);
53 path::operator/=(const string& rhs)
55 m_path = Glib::build_filename(m_path, rhs);
60 path::operator/=(const char* rhs)
62 m_path = Glib::build_filename(m_path, rhs);
69 return Glib::path_get_basename(m_path);
73 path::branch_path () const
75 string dir = Glib::path_get_dirname (m_path);
78 * glib returns "." to signify that the path
79 * has no directory components(branch path)
80 * whereas boost::filesystem returns an empty
91 exists (const path & p)
93 return Glib::file_test (p.to_string(), Glib::FILE_TEST_EXISTS);
97 exists_and_writable (const std::string & p)
99 /* writable() really reflects the whole folder, but if for any
100 reason the session state file can't be written to, still
106 if (g_stat (p.c_str(), &statbuf) != 0) {
107 /* doesn't exist - not writable */
110 if (!(statbuf.st_mode & S_IWUSR)) {
111 /* exists and is not writable */
114 /* filesystem may be mounted read-only, so even though file
115 * permissions permit access, the mount status does not.
116 * access(2) seems like the best test for this.
118 if (g_access (p.to_string().c_str(), W_OK) != 0) {
128 is_directory (const path & p)
130 return Glib::file_test (p.to_string(), Glib::FILE_TEST_IS_DIR);
134 create_directory(const path & p)
136 if(is_directory(p)) return false;
138 int error = g_mkdir (p.to_string().c_str(), S_IRWXU|S_IRWXG|S_IRWXO);
142 throw filesystem_error(g_strerror(errno), errno);
148 create_directories(const path & p)
150 if(is_directory(p)) return false;
152 int error = g_mkdir_with_parents (p.to_string().c_str(), S_IRWXU|S_IRWXG|S_IRWXO);
156 throw filesystem_error(g_strerror(errno), errno);
162 remove(const path & p)
164 if(!exists(p)) return false;
166 int error = g_unlink (p.to_string().c_str());
170 throw filesystem_error(g_strerror(errno), errno);
176 rename (const path & from_path, const path & to_path)
178 // g_rename is a macro that evaluates to ::rename on
179 // POSIX systems, without the global namespace qualifier
180 // it would evaluate to a recursive call(if it compiled)
181 if ( ::g_rename( from_path.to_string().c_str(),
182 to_path.to_string().c_str() ) == -1 )
184 throw filesystem_error(g_strerror(errno), errno);
189 basename (const path & p)
191 string base(p.leaf());
193 string::size_type n = base.rfind ('.');
195 return base.substr (0, n);
199 extension (const path & p)
201 string base(p.leaf());
203 string::size_type n = base.rfind ('.');
205 if (n != string::npos)
207 return base.substr(n);