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/*
* Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
*
* 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.
*/
#include <iostream>
#include <sstream>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
#include "ardour/filesystem_paths.h"
#include "pbd/file_utils.h"
#include "resources.h"
static const char* const data_dir_env_var = "ARDOUR_WEBSURFACES_PATH";
static const char* const data_dir_name = "web_surfaces";
static const char* const builtin_dir_name = "builtin";
static const char* const user_dir_name = "user";
static bool
dir_filter (const std::string &str, void* /*arg*/)
{
return Glib::file_test (str, Glib::FILE_TEST_IS_DIR);
}
ServerResources::ServerResources ()
: _index_dir ("")
, _builtin_dir ("")
, _user_dir ("")
{
}
const std::string&
ServerResources::index_dir ()
{
if (_index_dir.empty ()) {
_index_dir = server_data_dir ();
}
return _index_dir;
}
const std::string&
ServerResources::builtin_dir ()
{
if (_builtin_dir.empty ()) {
_builtin_dir = Glib::build_filename (server_data_dir (), builtin_dir_name);
}
return _builtin_dir;
}
const std::string&
ServerResources::user_dir ()
{
if (_user_dir.empty ()) {
_user_dir = Glib::build_filename (ARDOUR::user_config_directory (), data_dir_name);
}
return _user_dir;
}
std::string
ServerResources::scan ()
{
std::stringstream ss;
ss << "[{\"path\":\"" << builtin_dir_name << "\",\"surfaces\":[";
SurfaceManifestVector builtin = read_manifests (builtin_dir ());
for (SurfaceManifestVector::iterator it = builtin.begin (); it != builtin.end (); ) {
ss << it->to_json ();
if (++it != builtin.end()) {
ss << ",";
}
}
ss << "]},{\"path\":\"" << user_dir_name << "\",\"surfaces\":[";
SurfaceManifestVector user = read_manifests (user_dir ());
for (SurfaceManifestVector::iterator it = user.begin (); it != user.end (); ) {
ss << it->to_json ();
if (++it != user.end()) {
ss << ",";
}
}
ss << "]}]";
return ss.str ();
}
std::string
ServerResources::server_data_dir ()
{
std::string data_dir;
bool defined = false;
std::string env_dir (Glib::getenv (data_dir_env_var, defined));
if (defined) {
/* useful for development */
data_dir = env_dir;
} else {
/* use reverse iterator, since ardour_data_search_path() prefixes the user-data dir */
PBD::Searchpath s (ARDOUR::ardour_data_search_path ());
for (PBD::Searchpath::reverse_iterator i = s.rbegin (); i != s.rend(); ++i) {
data_dir = Glib::build_filename (*i, data_dir_name);
if (Glib::file_test(data_dir, Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
break;
}
}
}
return data_dir;
}
SurfaceManifestVector
ServerResources::read_manifests (std::string dir)
{
SurfaceManifestVector result;
std::vector<std::string> subdirs;
PBD::Searchpath spath (dir);
find_paths_matching_filter (subdirs, spath, dir_filter,
0 /*arg*/, true /*pass_fullpath*/, true /*return_fullpath*/, false /*recurse*/);
for (std::vector<std::string>::const_iterator it = subdirs.begin (); it != subdirs.end (); ++it) {
if (!SurfaceManifest::exists_at_path (*it)) {
continue;
}
SurfaceManifest manifest (*it);
if (manifest.valid ()) {
result.push_back (manifest);
}
}
return result;
}
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