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/*
* Copyright (C) 2005-2007 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2005-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2006-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2007-2010 David Robillard <d@drobilla.net>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <sstream>
#include <libxml/uri.h>
#ifdef HAVE_LRDF
#include <lrdf.h>
#endif
#include <glibmm/miscutils.h>
#include <glibmm/convert.h>
#include "pbd/compose.h"
#include "pbd/error.h"
#include "pbd/file_utils.h"
#include "ardour/audio_library.h"
#include "ardour/filesystem_paths.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
namespace {
const char* const sfdb_file_name = "sfdb";
} // anonymous namespace
static const char* TAG = "http://ardour.org/ontology/Tag";
AudioLibrary::AudioLibrary ()
{
std::string sfdb_file_path(user_config_directory ());
sfdb_file_path = Glib::build_filename (sfdb_file_path, sfdb_file_name);
src = Glib::filename_to_uri (sfdb_file_path);
// workaround for possible bug in raptor that crashes when saving to a
// non-existant file.
touch_file(sfdb_file_path);
#ifdef HAVE_LRDF
lrdf_read_file(src.c_str());
#endif
}
AudioLibrary::~AudioLibrary ()
{
}
void
AudioLibrary::save_changes ()
{
#ifdef HAVE_LRDF
#ifdef PLATFORM_WINDOWS
string path = Glib::locale_from_utf8 (Glib::filename_from_uri(src));
#else
string path = Glib::filename_from_uri(src);
#endif
if (lrdf_export_by_source(src.c_str(), path.c_str())) {
PBD::warning << string_compose(_("Could not open %1. Audio Library not saved"), path) << endmsg;
}
#endif
}
void
AudioLibrary::set_tags (string member, vector<string> tags)
{
#ifdef HAVE_LRDF
sort (tags.begin(), tags.end());
tags.erase (unique(tags.begin(), tags.end()), tags.end());
const string file_uri(Glib::filename_to_uri (member));
lrdf_remove_uri_matches (file_uri.c_str());
for (vector<string>::iterator i = tags.begin(); i != tags.end(); ++i) {
lrdf_add_triple (src.c_str(), file_uri.c_str(), TAG, (*i).c_str(), lrdf_literal);
}
#endif
}
vector<string>
AudioLibrary::get_tags (string member)
{
vector<string> tags;
#ifdef HAVE_LRDF
char * uri = strdup(Glib::filename_to_uri(member).c_str());
lrdf_statement pattern;
pattern.subject = uri;
pattern.predicate = const_cast<char*>(TAG);
pattern.object = 0;
pattern.object_type = lrdf_literal;
lrdf_statement* matches = lrdf_matches (&pattern);
lrdf_statement* current = matches;
while (current != 0) {
tags.push_back (current->object);
current = current->next;
}
lrdf_free_statements (matches);
sort (tags.begin(), tags.end());
free (uri);
#endif
return tags;
}
void
AudioLibrary::search_members_and (vector<string>& members, const vector<string>& tags)
{
#ifdef HAVE_LRDF
lrdf_statement **head;
lrdf_statement* pattern = 0;
lrdf_statement* old = 0;
head = &pattern;
vector<string>::const_iterator i;
for (i = tags.begin(); i != tags.end(); ++i){
pattern = new lrdf_statement;
pattern->subject = const_cast<char*>("?");
pattern->predicate = const_cast<char*>(TAG);
pattern->object = strdup((*i).c_str());
pattern->next = old;
old = pattern;
}
if (*head != 0) {
lrdf_uris* ulist = lrdf_match_multi(*head);
for (uint32_t j = 0; ulist && j < ulist->count; ++j) {
members.push_back(Glib::filename_from_uri(ulist->items[j]));
}
lrdf_free_uris(ulist);
sort (members.begin(), members.end());
members.erase (unique (members.begin(), members.end()), members.end());
}
// memory clean up
pattern = *head;
while(pattern){
free(pattern->object);
old = pattern;
pattern = pattern->next;
delete old;
}
#endif
}
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