1 /* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #ifndef PRINCE_RESOURCE_H
24 #define PRINCE_RESOURCE_H
25
26 #include "common/stream.h"
27 #include "common/memstream.h"
28 #include "common/archive.h"
29 #include "common/debug-channels.h"
30 #include "common/ptr.h"
31
32 #include "prince/decompress.h"
33
34 namespace Prince {
35
36 namespace Resource {
37
38 Common::SeekableReadStream *getDecompressedStream(Common::SeekableReadStream *stream);
39
40 template <typename T>
loadFromStream(T & resource,Common::SeekableReadStream & stream)41 bool loadFromStream(T &resource, Common::SeekableReadStream &stream) {
42 return resource.loadStream(stream);
43 }
44
45 template<typename T>
loadResource(T * resource,const char * resourceName,bool required)46 bool loadResource(T *resource, const char *resourceName, bool required) {
47 Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
48 if (!stream_) {
49 if (required)
50 error("Can't load %s", resourceName);
51 return false;
52 }
53
54 Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
55
56 return loadFromStream(*resource, *stream);
57 }
58
59 template <typename T>
60 bool loadResource(Common::Array<T> &array, Common::SeekableReadStream &stream, bool required = true) {
61 T t;
62 while (t.loadFromStream(stream))
63 array.push_back(t);
64
65 return true;
66 }
67
68
69 template <typename T>
70 bool loadResource(Common::Array<T> &array, const char *resourceName, bool required = true) {
71 Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
72 if (!stream_) {
73 if (required)
74 error("Can't load %s", resourceName);
75 return false;
76 }
77
78 Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
79
80 return loadResource(array, *stream, required);
81 }
82
83 template <typename T>
84 bool loadResource(Common::Array<T *> &array, const char *resourceName, bool required = true) {
85
86 Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
87 if (!stream_) {
88 if (required)
89 error("Can't load %s", resourceName);
90 return false;
91 }
92
93 Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
94
95 // FIXME: This is stupid. Maybe loadFromStream should be helper method that returns initialized object
96 while (true) {
97 T* t = new T();
98 if (!t->loadFromStream(*stream)) {
99 delete t;
100 break;
101 }
102 array.push_back(t);
103 }
104 return true;
105 }
106
107 }
108
109 } // End of namespace Prince
110
111 #endif
112