Robin Gareus
396013bf5a
Direct calls to `Config->get_clip_library_dir` may return "@default@". The path is OS specific and may also not yet exist, so indirection is required.
182 lines
4.2 KiB
C++
182 lines
4.2 KiB
C++
/*
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* Copyright (C) 2022 Paul Davis <paul@linuxaudiosystems.com>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <curl/curl.h>
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#include <glib/gstdio.h>
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#include <glibmm/fileutils.h>
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#include <glibmm/miscutils.h>
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#include "pbd/error.h"
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#include "pbd/i18n.h"
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#include "pbd/file_archive.h"
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#include "pbd/pthread_utils.h"
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#include "pbd/replace_all.h"
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#include "pbd/whitespace.h"
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#include "pbd/xml++.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/clip_library.h"
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#include "ardour/library.h"
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using namespace PBD;
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using namespace ARDOUR;
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using std::string;
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static size_t
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CurlWrite_CallbackFunc_StdString(void *contents, size_t size, size_t nmemb, std::string *s)
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{
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size_t newLength = size*nmemb;
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try {
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s->append ((char*)contents, newLength);
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} catch (std::bad_alloc &e) {
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//handle memory problem
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return 0;
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}
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return newLength;
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}
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LibraryFetcher::LibraryFetcher ()
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{
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}
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int
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LibraryFetcher::get_descriptions ()
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{
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CURL* curl;
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curl = curl_easy_init ();
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if (!curl) {
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return -1;
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}
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std::string buf;
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curl_easy_setopt (curl, CURLOPT_URL, Config->get_resource_index_url().c_str());
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curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1L);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWrite_CallbackFunc_StdString);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buf);
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 2L);
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CURLcode res = curl_easy_perform (curl);
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curl_easy_cleanup (curl);
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if (res != CURLE_OK) {
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return -2;
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}
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XMLTree tree;
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if (!tree.read_buffer (buf.c_str())) {
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return -3;
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}
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XMLNode const & root (*tree.root());
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if (root.name() != X_("Resources")) {
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return -4;
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}
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XMLNode* libraries = 0;
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for (auto const & node : root.children()) {
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if (node->name() == X_("Libraries")) {
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libraries = node;
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break;
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}
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}
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if (!libraries) {
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return -5;
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}
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for (auto const & node : libraries->children()) {
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string n, d, u, l, td, a, sz;
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if (!node->get_property (X_("name"), n) ||
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!node->get_property (X_("author"), a) ||
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!node->get_property (X_("url"), u) ||
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!node->get_property (X_("license"), l) ||
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!node->get_property (X_("toplevel"), td) ||
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!node->get_property (X_("size"), sz)) {
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continue;
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}
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for (auto const & cnode : node->children()) {
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if (cnode->is_content()) {
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d = cnode->content();
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break;
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}
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}
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string ds;
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remove_extra_whitespace (d, ds);
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strip_whitespace_edges (ds);
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replace_all (ds, "\n", "");
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_descriptions.push_back (LibraryDescription (n, a, ds, u, l, td, sz));
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_descriptions.back().set_installed (installed (_descriptions.back()));
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}
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return 0;
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}
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int
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LibraryFetcher::add (std::string const & root_dir)
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{
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std::string newpath;
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/* just add the root dir to the relevant search path. The user can
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* expand the rest in the browser
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*/
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if (Config->get_sample_lib_path().find (root_dir) == string::npos) {
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newpath = root_dir;
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newpath += G_SEARCHPATH_SEPARATOR;
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newpath += Config->get_sample_lib_path ();
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Config->set_sample_lib_path (newpath);
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Config->save_state ();
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}
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return 0;
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}
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void
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LibraryFetcher::foreach_description (boost::function<void (LibraryDescription)> f)
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{
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for (auto ld : _descriptions) {
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f (ld);
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}
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}
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std::string
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LibraryFetcher::install_path_for (LibraryDescription const & desc)
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{
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return Glib::build_filename (clip_library_dir(true), desc.toplevel_dir());
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}
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bool
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LibraryFetcher::installed (LibraryDescription const & desc)
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{
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std::string path = install_path_for (desc);
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if (Glib::file_test (path, Glib::FILE_TEST_EXISTS) && Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
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return true;
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}
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return false;
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}
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