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/directory_names.h"
43 #include "ardour/session.h"
44 #include "ardour/session_directory.h"
45 #include "ardour/source_factory.h"
46 #include "ardour/filename_extensions.h"
51 using namespace ARDOUR;
55 PBD::Signal3<int,std::string,std::string,std::vector<std::string> > FileSource::AmbiguousFileName;
57 FileSource::FileSource (Session& session, DataType type, const string& path, const string& origin, Source::Flag flag)
58 : 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 bool r = (_path.find (stub_dir_name) != string::npos) ||
85 && ((_flags & RemoveAtDestroy) ||
86 ((_flags & RemovableIfEmpty) && empty() == 0)));
92 FileSource::init (const string& pathstr, bool must_exist)
94 _timeline_position = 0;
96 if (Stateful::loading_state_version < 3000) {
97 if (!find_2X (_session, _type, pathstr, must_exist, _file_is_new, _channel, _path)) {
98 throw MissingSource (pathstr, _type);
101 if (!find (_session, _type, pathstr, must_exist, _file_is_new, _channel, _path)) {
102 throw MissingSource (pathstr, _type);
106 set_within_session_from_path (_path);
108 if (!within_session()) {
109 _session.ensure_search_path_includes (Glib::path_get_dirname (_path), _type);
112 _name = Glib::path_get_basename (_path);
114 if (_file_is_new && must_exist) {
122 FileSource::set_state (const XMLNode& node, int /*version*/)
124 const XMLProperty* prop;
126 if ((prop = node.property (X_("channel"))) != 0) {
127 _channel = atoi (prop->value());
132 if ((prop = node.property (X_("origin"))) != 0) {
133 _origin = prop->value();
140 FileSource::mark_take (const string& id)
148 FileSource::move_to_trash (const string& trash_dir_name)
150 if (!within_session() || !writable()) {
154 /* don't move the file across filesystems, just stick it in the
155 trash_dir_name directory on whichever filesystem it was already on
159 v.push_back (Glib::path_get_dirname (Glib::path_get_dirname (_path)));
160 v.push_back (trash_dir_name);
161 v.push_back (Glib::path_get_basename (_path));
163 string newpath = Glib::build_filename (v);
165 /* the new path already exists, try versioning */
167 if (Glib::file_test (newpath.c_str(), Glib::FILE_TEST_EXISTS)) {
168 char buf[PATH_MAX+1];
172 snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version);
175 while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) {
176 snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version);
180 if (version == 999) {
181 PBD::error << string_compose (
182 _("there are already 1000 files with names like %1; versioning discontinued"),
189 if (::rename (_path.c_str(), newpath.c_str()) != 0) {
190 PBD::error << string_compose (
191 _("cannot rename file source from %1 to %2 (%3)"),
192 _path, newpath, strerror (errno)) << endmsg;
196 if (move_dependents_to_trash() != 0) {
197 /* try to back out */
198 rename (newpath.c_str(), _path.c_str());
204 /* file can not be removed twice, since the operation is not idempotent */
205 _flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty));
210 /** Find the actual source file based on \a filename.
212 * If the source is within the session tree, \a filename should be a simple filename (no slashes).
213 * If the source is external, \a filename should be a full path.
214 * In either case, found_path is set to the complete absolute path of the source file.
215 * \return true iff the file was found.
218 FileSource::find (Session& s, DataType type, const string& path, bool must_exist,
219 bool& isnew, uint16_t& chan, string& found_path)
226 if (!Glib::path_is_absolute (path)) {
232 string search_path = s.source_search_path (type);
234 if (search_path.length() == 0) {
235 error << _("FileSource: search path not set") << endmsg;
239 split (search_path, dirs, ':');
244 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
246 fullpath = Glib::build_filename (*i, path);
248 if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
250 hits.push_back (fullpath);
257 int which = FileSource::AmbiguousFileName (path, search_path, hits).get_value_or (-1);
262 keeppath = hits[which];
265 } else if (cnt == 0) {
268 error << string_compose(
269 _("Filesource: cannot find required file (%1): while searching %2"),
270 path, search_path) << endmsg;
280 /* Current find() is unable to parse relative path names to yet non-existant
281 sources. QuickFix(tm)
283 if (keeppath == "") {
285 error << "FileSource::find(), keeppath = \"\", but the file must exist" << endl;
291 found_path = keeppath;
299 /** Find the actual source file based on \a filename.
301 * If the source is within the session tree, \a filename should be a simple filename (no slashes).
302 * If the source is external, \a filename should be a full path.
303 * In either case, found_path is set to the complete absolute path of the source file.
304 * \return true iff the file was found.
307 FileSource::find_2X (Session& s, DataType type, const string& path, bool must_exist,
308 bool& isnew, uint16_t& chan, string& found_path)
310 string search_path = s.source_search_path (type);
312 string pathstr = path;
313 string::size_type pos;
318 if (!Glib::path_is_absolute (pathstr)) {
320 /* non-absolute pathname: find pathstr in search path */
327 if (search_path.length() == 0) {
328 error << _("FileSource: search path not set") << endmsg;
332 split (search_path, dirs, ':');
336 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
338 fullpath = Glib::build_filename (*i, pathstr);
340 /* i (paul) made a nasty design error by using ':' as a special character in
341 Ardour 0.99 .. this hack tries to make things sort of work.
344 if ((pos = pathstr.find_last_of (':')) != string::npos) {
346 if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
348 /* its a real file, no problem */
357 /* might be an older session using file:channel syntax. see if the version
358 without the :suffix exists
361 string shorter = pathstr.substr (0, pos);
362 fullpath = Glib::build_filename (*i, shorter);
364 if (Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
365 chan = atoi (pathstr.substr (pos+1));
373 /* new derived file (e.g. for timefx) being created in a newer session */
380 if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
389 error << string_compose (
390 _("FileSource: \"%1\" is ambigous when searching %2\n\t"),
391 pathstr, search_path) << endmsg;
394 } else if (cnt == 0) {
397 error << string_compose(
398 _("Filesource: cannot find required file (%1): while searching %2"),
399 pathstr, search_path) << endmsg;
406 /* Current find() is unable to parse relative path names to yet non-existant
407 sources. QuickFix(tm) */
408 if (keeppath == "") {
410 error << "FileSource::find(), keeppath = \"\", but the file must exist" << endl;
416 found_path = keeppath;
422 /* external files and/or very very old style sessions include full paths */
424 /* ugh, handle ':' situation */
426 if ((pos = pathstr.find_last_of (':')) != string::npos) {
428 string shorter = pathstr.substr (0, pos);
430 if (Glib::file_test (shorter, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
431 chan = atoi (pathstr.substr (pos+1));
436 found_path = pathstr;
438 if (!Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
440 /* file does not exist or we cannot read it */
443 error << string_compose(
444 _("Filesource: cannot find required file (%1): %2"),
445 path, strerror (errno)) << endmsg;
449 if (errno != ENOENT) {
450 error << string_compose(
451 _("Filesource: cannot check for existing file (%1): %2"),
452 path, strerror (errno)) << endmsg;
472 FileSource::set_source_name (const string& newname, bool destructive)
474 Glib::Mutex::Lock lm (_lock);
475 string oldpath = _path;
476 string newpath = _session.change_source_path_by_name (oldpath, _name, newname, destructive);
478 if (newpath.empty()) {
479 error << string_compose (_("programming error: %1"), "cannot generate a changed file path") << endmsg;
483 // Test whether newpath exists, if yes notify the user but continue.
484 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
485 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;
489 if (::rename (oldpath.c_str(), newpath.c_str()) != 0) {
490 error << string_compose (_("cannot rename file %1 to %2 (%3)"), oldpath, newpath, strerror(errno)) << endmsg;
494 _name = Glib::path_get_basename (newpath);
501 FileSource::mark_immutable ()
503 /* destructive sources stay writable, and their other flags don't change. */
504 if (!(_flags & Destructive)) {
505 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
510 FileSource::mark_nonremovable ()
512 _flags = Flag (_flags & ~(Removable|RemovableIfEmpty|RemoveAtDestroy));
516 FileSource::set_within_session_from_path (const std::string& path)
518 _within_session = _session.path_is_within_session (path);
522 FileSource::unstubify ()
524 string::size_type pos = _path.find (stub_dir_name);
526 if (pos == string::npos || (_flags & Destructive)) {
532 v.push_back (Glib::path_get_dirname (Glib::path_get_dirname (_path)));
533 v.push_back (Glib::path_get_basename(_path));
535 string newpath = Glib::build_filename (v);
537 if (::rename (_path.c_str(), newpath.c_str()) != 0) {
538 error << string_compose (_("rename from %1 to %2 failed: %3)"), _path, newpath, strerror (errno)) << endmsg;
548 FileSource::set_path (const std::string& newpath)
554 FileSource::inc_use_count ()
556 Source::inc_use_count ();