David Robillard
650c6d5824
git-svn-id: svn://localhost/ardour2/branches/3.0@6710 d708f5d6-7413-0410-9779-e7cbd77b26cf
157 lines
3.6 KiB
C++
157 lines
3.6 KiB
C++
/*
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Copyright (C) 2003-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <sstream>
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#include <libxml/uri.h>
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#include <lrdf.h>
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#include <glibmm/miscutils.h>
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#include <glibmm/convert.h>
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#include "pbd/compose.h"
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#include "ardour/audio_library.h"
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#include "ardour/utils.h"
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#include "ardour/filesystem_paths.h"
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#include "i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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namespace {
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const char* const sfdb_file_name = "sfdb";
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} // anonymous namespace
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static const char* TAG = "http://ardour.org/ontology/Tag";
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AudioLibrary::AudioLibrary ()
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{
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sys::path sfdb_file_path(user_config_directory ());
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sfdb_file_path /= sfdb_file_name;
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src = Glib::filename_to_uri (sfdb_file_path.to_string ());
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// workaround for possible bug in raptor that crashes when saving to a
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// non-existant file.
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touch_file(sfdb_file_path.to_string());
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lrdf_read_file(src.c_str());
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}
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AudioLibrary::~AudioLibrary ()
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{
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}
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void
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AudioLibrary::save_changes ()
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{
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if (lrdf_export_by_source(src.c_str(), src.substr(5).c_str())) {
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PBD::warning << string_compose(_("Could not open %1. Audio Library not saved"), src) << endmsg;
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}
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}
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void
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AudioLibrary::set_tags (string member, vector<string> tags)
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{
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sort (tags.begin(), tags.end());
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tags.erase (unique(tags.begin(), tags.end()), tags.end());
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const string file_uri(Glib::filename_to_uri (member));
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lrdf_remove_uri_matches (file_uri.c_str());
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for (vector<string>::iterator i = tags.begin(); i != tags.end(); ++i) {
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lrdf_add_triple (src.c_str(), file_uri.c_str(), TAG, (*i).c_str(), lrdf_literal);
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}
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}
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vector<string>
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AudioLibrary::get_tags (string member)
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{
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vector<string> tags;
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lrdf_statement pattern;
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pattern.subject = strdup(Glib::filename_to_uri(member).c_str());
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pattern.predicate = (char*)TAG;
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pattern.object = 0;
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pattern.object_type = lrdf_literal;
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lrdf_statement* matches = lrdf_matches (&pattern);
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free (pattern.subject);
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lrdf_statement* current = matches;
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while (current != 0) {
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tags.push_back (current->object);
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current = current->next;
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}
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lrdf_free_statements (matches);
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sort (tags.begin(), tags.end());
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return tags;
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}
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void
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AudioLibrary::search_members_and (vector<string>& members, const vector<string>& tags)
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{
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lrdf_statement **head;
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lrdf_statement* pattern = 0;
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lrdf_statement* old = 0;
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head = &pattern;
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vector<string>::const_iterator i;
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for (i = tags.begin(); i != tags.end(); ++i){
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pattern = new lrdf_statement;
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pattern->subject = (char*)"?";
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pattern->predicate = (char*)TAG;
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pattern->object = strdup((*i).c_str());
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pattern->next = old;
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old = pattern;
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}
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if (*head != 0) {
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lrdf_uris* ulist = lrdf_match_multi(*head);
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for (uint32_t j = 0; ulist && j < ulist->count; ++j) {
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members.push_back(Glib::filename_from_uri(ulist->items[j]));
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}
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lrdf_free_uris(ulist);
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sort(members.begin(), members.end());
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unique(members.begin(), members.end());
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}
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// memory clean up
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pattern = *head;
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while(pattern){
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free(pattern->object);
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old = pattern;
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pattern = pattern->next;
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delete old;
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}
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}
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