2 Copyright (C) 2006-2009 Paul Davis
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.
24 #include <stdio.h> // for rename(), sigh
29 #include "pbd/convert.h"
30 #include "pbd/basename.h"
31 #include "pbd/mountpoint.h"
32 #include "pbd/stl_delete.h"
33 #include "pbd/strsplit.h"
34 #include "pbd/shortpath.h"
35 #include "pbd/enumwriter.h"
37 #include <glibmm/miscutils.h>
38 #include <glibmm/fileutils.h>
39 #include <glibmm/thread.h>
41 #include "ardour/file_source.h"
42 #include "ardour/session.h"
43 #include "ardour/session_directory.h"
44 #include "ardour/source_factory.h"
45 #include "ardour/filename_extensions.h"
50 using namespace ARDOUR;
54 static const std::string PATH_SEP = "/"; // I don't do windows
56 map<DataType, ustring> FileSource::search_paths;
58 FileSource::FileSource (Session& session, DataType type, const ustring& path, Source::Flag flag)
59 : Source(session, type, path, flag)
64 set_within_session_from_path (path);
67 FileSource::FileSource (Session& session, const XMLNode& node, bool /*must_exist*/)
68 : Source(session, node)
69 , _file_is_new (false)
71 /* this setting of _path is temporary - we expect derived classes
72 to call ::init() which will actually locate the file
73 and reset _path and _within_session correctly.
77 _within_session = true;
81 FileSource::removable () const
83 return (_flags & Removable)
84 && ((_flags & RemoveAtDestroy) ||
85 ((_flags & RemovableIfEmpty) && length(timeline_position()) == 0));
89 FileSource::init (const ustring& pathstr, bool must_exist)
91 _timeline_position = 0;
93 if (!find (_type, pathstr, must_exist, _file_is_new, _channel, _path)) {
94 throw MissingSource ();
97 set_within_session_from_path (pathstr);
99 if (_within_session) {
100 _name = Glib::path_get_basename (_name);
103 if (_file_is_new && must_exist) {
111 FileSource::set_state (const XMLNode& node, int /*version*/)
113 const XMLProperty* prop;
115 if ((prop = node.property (X_("channel"))) != 0) {
116 _channel = atoi (prop->value());
125 FileSource::mark_take (const ustring& id)
133 FileSource::move_to_trash (const ustring& trash_dir_name)
135 if (!within_session() || !writable()) {
139 /* don't move the file across filesystems, just stick it in the
140 trash_dir_name directory on whichever filesystem it was already on
144 newpath = Glib::path_get_dirname (_path);
145 newpath = Glib::path_get_dirname (newpath);
147 newpath += string(PATH_SEP) + trash_dir_name + PATH_SEP;
148 newpath += Glib::path_get_basename (_path);
150 /* the new path already exists, try versioning */
151 if (access (newpath.c_str(), F_OK) == 0) {
152 char buf[PATH_MAX+1];
156 snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version);
159 while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) {
160 snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version);
164 if (version == 999) {
165 PBD::error << string_compose (
166 _("there are already 1000 files with names like %1; versioning discontinued"),
173 if (::rename (_path.c_str(), newpath.c_str()) != 0) {
174 PBD::error << string_compose (
175 _("cannot rename file source from %1 to %2 (%3)"),
176 _path, newpath, strerror (errno)) << endmsg;
180 if (move_dependents_to_trash() != 0) {
181 /* try to back out */
182 rename (newpath.c_str(), _path.c_str());
188 /* file can not be removed twice, since the operation is not idempotent */
189 _flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty));
194 /** Find the actual source file based on \a filename.
196 * If the source is within the session tree, \a filename should be a simple filename (no slashes).
197 * If the source is external, \a filename should be a full path.
198 * In either case, found_path is set to the complete absolute path of the source file.
199 * \return true iff the file was found.
202 FileSource::find (DataType type, const ustring& path, bool must_exist,
203 bool& isnew, uint16_t& chan, ustring& found_path)
205 Glib::ustring search_path = search_paths[type];
207 ustring pathstr = path;
208 ustring::size_type pos;
213 if (pathstr[0] != '/') {
215 /* non-absolute pathname: find pathstr in search path */
217 vector<ustring> dirs;
222 if (search_path.length() == 0) {
223 error << _("FileSource: search path not set") << endmsg;
227 split (search_path, dirs, ':');
231 for (vector<ustring>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
233 if (fullpath[fullpath.length()-1] != '/') {
239 /* i (paul) made a nasty design error by using ':' as a special character in
240 Ardour 0.99 .. this hack tries to make things sort of work.
243 if ((pos = pathstr.find_last_of (':')) != ustring::npos) {
245 if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
247 /* its a real file, no problem */
256 /* might be an older session using file:channel syntax. see if the version
257 without the :suffix exists
260 ustring shorter = pathstr.substr (0, pos);
263 if (fullpath[fullpath.length()-1] != '/') {
269 if (Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
270 chan = atoi (pathstr.substr (pos+1));
278 /* new derived file (e.g. for timefx) being created in a newer session */
285 if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
294 error << string_compose (
295 _("FileSource: \"%1\" is ambigous when searching %2\n\t"),
296 pathstr, search_path) << endmsg;
299 } else if (cnt == 0) {
302 error << string_compose(
303 _("Filesource: cannot find required file (%1): while searching %2"),
304 pathstr, search_path) << endmsg;
311 /* Current find() is unable to parse relative path names to yet non-existant
312 sources. QuickFix(tm) */
313 if (keeppath == "") {
315 error << "FileSource::find(), keeppath = \"\", but the file must exist" << endl;
321 found_path = keeppath;
327 /* external files and/or very very old style sessions include full paths */
329 /* ugh, handle ':' situation */
331 if ((pos = pathstr.find_last_of (':')) != ustring::npos) {
333 ustring shorter = pathstr.substr (0, pos);
335 if (Glib::file_test (shorter, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
336 chan = atoi (pathstr.substr (pos+1));
341 found_path = pathstr;
343 if (!Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
345 /* file does not exist or we cannot read it */
348 error << string_compose(
349 _("Filesource: cannot find required file (%1): %2"),
350 path, strerror (errno)) << endmsg;
354 if (errno != ENOENT) {
355 error << string_compose(
356 _("Filesource: cannot check for existing file (%1): %2"),
357 path, strerror (errno)) << endmsg;
377 FileSource::set_source_name (const ustring& newname, bool destructive)
379 Glib::Mutex::Lock lm (_lock);
380 ustring oldpath = _path;
381 ustring newpath = Session::change_source_path_by_name (oldpath, _name, newname, destructive);
383 if (newpath.empty()) {
384 error << string_compose (_("programming error: %1"), "cannot generate a changed file path") << endmsg;
388 // Test whether newpath exists, if yes notify the user but continue.
389 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
390 error << string_compose (_("Programming error! %1 tried to rename a file over another file! It's safe to continue working, but please report this to the developers."), PROGRAM_NAME) << endmsg;
394 if (rename (oldpath.c_str(), newpath.c_str()) != 0) {
395 error << string_compose (_("cannot rename audio file %1 to %2"), _name, newpath) << endmsg;
399 _name = Glib::path_get_basename (newpath);
406 FileSource::set_search_path (DataType type, const ustring& p)
408 search_paths[type] = p;
412 FileSource::mark_immutable ()
414 /* destructive sources stay writable, and their other flags don't change. */
415 if (!(_flags & Destructive)) {
416 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
421 FileSource::set_within_session_from_path (const std::string& path)
423 _within_session = _session.path_is_within_session (path);