1 /*
2 Open Asset Import Library (assimp)
3 ----------------------------------------------------------------------
4 
5 Copyright (c) 2006-2017, assimp team
6 
7 All rights reserved.
8 
9 Redistribution and use of this software in source and binary forms,
10 with or without modification, are permitted provided that the
11 following conditions are met:
12 
13 * Redistributions of source code must retain the above
14   copyright notice, this list of conditions and the
15   following disclaimer.
16 
17 * Redistributions in binary form must reproduce the above
18   copyright notice, this list of conditions and the
19   following disclaimer in the documentation and/or other
20   materials provided with the distribution.
21 
22 * Neither the name of the assimp team, nor the names of its
23   contributors may be used to endorse or promote products
24   derived from this software without specific prior
25   written permission of the assimp team.
26 
27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 
39 ----------------------------------------------------------------------
40 */
41 #ifndef AI_Q3BSP_ZIPARCHIVE_H_INC
42 #define AI_Q3BSP_ZIPARCHIVE_H_INC
43 
44 #include <contrib/unzip/unzip.h>
45 #include <assimp/IOStream.hpp>
46 #include <assimp/IOSystem.hpp>
47 #include <vector>
48 #include <map>
49 #include <cassert>
50 
51 namespace Assimp {
52 namespace Q3BSP {
53 
54 // ------------------------------------------------------------------------------------------------
55 /// \class      IOSystem2Unzip
56 /// \ingroup    Assimp::Q3BSP
57 ///
58 /// \brief
59 // ------------------------------------------------------------------------------------------------
60 class IOSystem2Unzip {
61 public:
62     static voidpf open(voidpf opaque, const char* filename, int mode);
63     static uLong read(voidpf opaque, voidpf stream, void* buf, uLong size);
64     static uLong write(voidpf opaque, voidpf stream, const void* buf, uLong size);
65     static long tell(voidpf opaque, voidpf stream);
66     static long seek(voidpf opaque, voidpf stream, uLong offset, int origin);
67     static int close(voidpf opaque, voidpf stream);
68     static int testerror(voidpf opaque, voidpf stream);
69     static zlib_filefunc_def get(IOSystem* pIOHandler);
70 };
71 
72 // ------------------------------------------------------------------------------------------------
73 /// \class      ZipFile
74 /// \ingroup    Assimp::Q3BSP
75 ///
76 /// \brief
77 // ------------------------------------------------------------------------------------------------
78 class ZipFile : public IOStream {
79     friend class Q3BSPZipArchive;
80 
81 public:
82     explicit ZipFile(size_t size);
83     ~ZipFile();
84     size_t Read(void* pvBuffer, size_t pSize, size_t pCount );
85     size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/, size_t /*pCount*/);
86     size_t FileSize() const;
87     aiReturn Seek(size_t /*pOffset*/, aiOrigin /*pOrigin*/);
88     size_t Tell() const;
89     void Flush();
90 
91 private:
92     void* m_Buffer;
93     size_t m_Size;
94 };
95 
96 // ------------------------------------------------------------------------------------------------
97 /// \class      Q3BSPZipArchive
98 /// \ingroup    Assimp::Q3BSP
99 ///
100 /// \brief  IMplements a zip archive like the WinZip archives. Will be also used to import data
101 /// from a P3K archive ( Quake level format ).
102 // ------------------------------------------------------------------------------------------------
103 class Q3BSPZipArchive : public Assimp::IOSystem {
104 public:
105     static const unsigned int FileNameSize = 256;
106 
107 public:
108     Q3BSPZipArchive(IOSystem* pIOHandler, const std::string & rFile);
109     ~Q3BSPZipArchive();
110     bool Exists(const char* pFile) const;
111     char getOsSeparator() const;
112     IOStream* Open(const char* pFile, const char* pMode = "rb");
113     void Close(IOStream* pFile);
114     bool isOpen() const;
115     void getFileList(std::vector<std::string> &rFileList);
116 
117 private:
118     bool mapArchive();
119 
120 private:
121     unzFile m_ZipFileHandle;
122     std::map<std::string, ZipFile*> m_ArchiveMap;
123 };
124 
125 // ------------------------------------------------------------------------------------------------
126 
127 } // Namespace Q3BSP
128 } // Namespace Assimp
129 
130 #endif // AI_Q3BSP_ZIPARCHIVE_H_INC
131