2 Copyright (C) 2003-2006 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.
22 #include <libxml/uri.h>
26 #include <pbd/compose.h>
28 #include <ardour/audio_library.h>
29 #include <ardour/utils.h>
34 using namespace ARDOUR;
36 static char* TAG = "http://ardour.org/ontology/Tag";
38 AudioLibrary::AudioLibrary ()
40 src = "file:" + get_user_ardour_path() + "sfdb";
42 // workaround for possible bug in raptor that crashes when saving to a
44 touch_file(get_user_ardour_path() + "sfdb");
46 lrdf_read_file(src.c_str());
49 AudioLibrary::~AudioLibrary ()
54 AudioLibrary::save_changes ()
56 if (lrdf_export_by_source(src.c_str(), src.substr(5).c_str())) {
57 PBD::warning << string_compose(_("Could not open %1. Audio Library not saved"), src) << endmsg;
62 AudioLibrary::path2uri (string path)
65 memset(&temp, 0, sizeof(temp));
67 xmlChar *cal = xmlCanonicPath((xmlChar*) path.c_str());
68 temp.path = (char *) cal;
69 xmlChar *ret = xmlSaveUri(&temp);
73 uri << "file:" << (const char*) ret;
81 AudioLibrary::uri2path (string uri)
83 string path = xmlURIUnescapeString(uri.c_str(), 0, 0);
84 return path.substr(5);
88 AudioLibrary::set_tags (string member, vector<string> tags)
90 sort (tags.begin(), tags.end());
91 tags.erase (unique(tags.begin(), tags.end()), tags.end());
93 string file_uri(path2uri(member));
95 lrdf_remove_uri_matches (file_uri.c_str());
97 for (vector<string>::iterator i = tags.begin(); i != tags.end(); ++i) {
98 lrdf_add_triple (src.c_str(), file_uri.c_str(), TAG, (*i).c_str(), lrdf_literal);
103 AudioLibrary::get_tags (string member)
107 lrdf_statement pattern;
108 pattern.subject = strdup(path2uri(member).c_str());
109 pattern.predicate = TAG;
111 pattern.object_type = lrdf_literal;
113 lrdf_statement* matches = lrdf_matches (&pattern);
114 free (pattern.subject);
116 lrdf_statement* current = matches;
117 while (current != 0) {
118 tags.push_back (current->object);
120 current = current->next;
123 lrdf_free_statements (matches);
125 sort (tags.begin(), tags.end());
131 AudioLibrary::search_members_and (vector<string>& members, const vector<string> tags)
133 lrdf_statement **head;
134 lrdf_statement* pattern = 0;
135 lrdf_statement* old = 0;
138 vector<string>::const_iterator i;
139 for (i = tags.begin(); i != tags.end(); ++i){
140 pattern = new lrdf_statement;
141 pattern->subject = "?";
142 pattern->predicate = TAG;
143 pattern->object = strdup((*i).c_str());
150 lrdf_uris* ulist = lrdf_match_multi(*head);
151 for (uint32_t j = 0; ulist && j < ulist->count; ++j) {
152 // cerr << "AND: " << uri2path(ulist->items[j]) << endl;
153 members.push_back(uri2path(ulist->items[j]));
155 lrdf_free_uris(ulist);
157 sort(members.begin(), members.end());
158 unique(members.begin(), members.end());
164 free(pattern->object);
166 pattern = pattern->next;