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livetrax/libs/ardour/template_utils.cc
Robin Gareus e1ca4b2887 Speed up recent session display (for many large sessions)
- don't parse XML into XMLTree
- only read the file, extract relevant elements
- don't read session-template contents, only test file
2016-12-08 10:36:12 +01:00

146 lines
3.2 KiB
C++

/*
Copyright (C) 2012 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <algorithm>
#include <cstring>
#include <glibmm.h>
#include "pbd/basename.h"
#include "pbd/file_utils.h"
#include "pbd/stl_delete.h"
#include "pbd/xml++.h"
#include "ardour/template_utils.h"
#include "ardour/directory_names.h"
#include "ardour/filesystem_paths.h"
#include "ardour/filename_extensions.h"
#include "ardour/search_paths.h"
#include "ardour/io.h"
using namespace std;
using namespace PBD;
namespace ARDOUR {
std::string
user_template_directory ()
{
return Glib::build_filename (user_config_directory(), templates_dir_name);
}
std::string
user_route_template_directory ()
{
return Glib::build_filename (user_config_directory(), route_templates_dir_name);
}
static bool
template_filter (const string &str, void* /*arg*/)
{
if (!Glib::file_test (str, Glib::FILE_TEST_IS_DIR)) {
return false;
}
return true;
}
static bool
route_template_filter (const string &str, void* /*arg*/)
{
if (str.find (template_suffix) == str.length() - strlen (template_suffix)) {
return true;
}
return false;
}
string
session_template_dir_to_file (string const & dir)
{
return Glib::build_filename (dir, Glib::path_get_basename(dir) + template_suffix);
}
void
find_session_templates (vector<TemplateInfo>& template_names, bool read_xml)
{
vector<string> templates;
find_paths_matching_filter (templates, template_search_path(), template_filter, 0, true, true);
if (templates.empty()) {
cerr << "Found nothing along " << template_search_path().to_string() << endl;
return;
}
cerr << "Found " << templates.size() << " along " << template_search_path().to_string() << endl;
for (vector<string>::iterator i = templates.begin(); i != templates.end(); ++i) {
string file = session_template_dir_to_file (*i);
if (read_xml) {
XMLTree tree;
if (!tree.read (file.c_str())) {
continue;
}
}
TemplateInfo rti;
rti.name = basename_nosuffix (*i);
rti.path = *i;
template_names.push_back (rti);
}
}
void
find_route_templates (vector<TemplateInfo>& template_names)
{
vector<string> templates;
find_files_matching_filter (templates, route_template_search_path(), route_template_filter, 0, false, true);
if (templates.empty()) {
return;
}
for (vector<string>::iterator i = templates.begin(); i != templates.end(); ++i) {
string fullpath = *i;
XMLTree tree;
if (!tree.read (fullpath.c_str())) {
continue;
}
XMLNode* root = tree.root();
TemplateInfo rti;
rti.name = IO::name_from_state (*root->children().front());
rti.path = fullpath;
template_names.push_back (rti);
}
}
}