libopenraw
rawfilefactory.cpp
1 /*
2  * libopenraw - rawfilefactory.cpp
3  *
4  * Copyright (C) 2006-2017 Hubert Figuière
5  *
6  * This library is free software: you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public License
8  * as published by the Free Software Foundation, either version 3 of
9  * the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library. If not, see
18  * <http://www.gnu.org/licenses/>.
19  */
20 
21 #include <stdlib.h>
22 #include <stddef.h>
23 
24 #include <utility>
25 #include <cassert>
26 
27 #include <libopenraw/debug.h>
28 
29 #include "rawfile.hpp"
30 #include "rawfilefactory.hpp"
31 #include "trace.hpp"
32 
33 using namespace Debug;
34 
35 namespace OpenRaw {
36 
37 namespace Internals {
38 
39 RawFileFactory::RawFileFactory(RawFile::Type type,
40  const RawFileFactory::raw_file_factory_t &fn,
41  const char *ext)
42 {
43  LOGDBG1("registering type %d\n", (int)type);
44  registerType(type, fn, ext);
45 }
46 
47 void RawFileFactory::registerType(RawFile::Type type,
48  const RawFileFactory::raw_file_factory_t &fn,
49  const char *ext)
50 {
51  if (fn == nullptr) {
52  LOGERR("NULL fn for registerFactory()\n");
53  assert(fn == nullptr);
54  }
55  table()[type] = fn;
56  extensions()[ext] = type;
57 }
58 
59 void RawFileFactory::unRegisterType(RawFile::Type type)
60 {
61  Table::iterator iter = table().find(type);
62  if (iter == table().end()) {
63  LOGERR("attempting to unregisterFactory() in unregistered element\n");
64  assert(true);
65  }
66  table().erase(iter);
67 }
68 
69 const char **RawFileFactory::fileExtensions()
70 {
71  static const char **_fileExtensions = NULL;
72  if (!_fileExtensions) {
73  Extensions &ext = extensions();
74  size_t s = ext.size();
75  _fileExtensions = (const char **)calloc((s + 1), sizeof(char *));
76  const char **current = _fileExtensions;
77  Extensions::const_iterator iter(ext.begin());
78  for (; iter != ext.end(); ++iter) {
79  *current = iter->first.c_str();
80  current++;
81  }
82  }
83 
84  return _fileExtensions;
85 }
86 }
87 }
88 
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed.
Definition: arwfile.cpp:30
Definition: trace.cpp:30