1 /*
2  * Copyright (C) 2020 Luciano Iam <oss@lucianoiam.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the/GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #include <iostream>
20 #include <sstream>
21 
22 #include <glibmm/fileutils.h>
23 #include <glibmm/miscutils.h>
24 
25 #include "pbd/xml++.h"
26 
27 #include "manifest.h"
28 #include "resources.h"
29 #include "json.h"
30 
31 using namespace ArdourSurface;
32 
33 static const char* const manifest_filename = "manifest.xml";
34 
SurfaceManifest(std::string path)35 SurfaceManifest::SurfaceManifest (std::string path)
36 	: _path (path)
37 {
38 	XMLTree tree;
39 	std::string xml_path = Glib::build_filename (_path, manifest_filename);
40 
41 	if (!tree.read (xml_path.c_str())) {
42 #ifndef NDEBUG
43 		std::cerr << "SurfaceManifest: could not parse " << xml_path << std::endl;
44 #endif
45 		return;
46 	}
47 
48 	XMLNodeList nlist = tree.root ()->children ();
49 
50 	for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
51 		XMLNode*    node = *niter;
52 		std::string name = node->name ();
53 		std::string value;
54 
55 		node->get_property ("value", value);
56 
57 		if (name == "Name") {
58 			_name = value;
59 		} else if (name == "Description") {
60 			_description = value;
61 		} else if (name == "Version") {
62 			_version = value;
63 		}
64 	}
65 
66 	if (_name.empty () || _description.empty () || _version.empty ()) {
67 #ifndef NDEBUG
68 		std::cerr << "SurfaceManifest: missing properties in " << xml_path << std::endl;
69 #endif
70 		return;
71 	}
72 
73 	_valid = true;
74 }
75 
76 std::string
to_json()77 SurfaceManifest::to_json ()
78 {
79 	std::stringstream ss;
80 
81 	ss << "{"
82 		<< "\"path\":\"" << WebSocketsJSON::escape (Glib::path_get_basename (_path)) << "\""
83 		<< ",\"name\":\"" << WebSocketsJSON::escape (_name) << "\""
84 		<< ",\"description\":\"" << WebSocketsJSON::escape (_description) << "\""
85 		<< ",\"version\":\"" << WebSocketsJSON::escape (_version) << "\""
86 		<< "}";
87 
88 	return ss.str ();
89 }
90 
91 bool
exists_at_path(std::string path)92 SurfaceManifest::exists_at_path (std::string path)
93 {
94 	std::string xml_path = Glib::build_filename (path, manifest_filename);
95 	return Glib::file_test (xml_path, Glib::FILE_TEST_EXISTS);
96 }
97