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-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CPakReader.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CPakReader.h b/libraries/irrlicht-1.8/source/Irrlicht/CPakReader.h new file mode 100644 index 0000000..1a8dbdd --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/CPakReader.h | |||
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1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #ifndef __C_PAK_READER_H_INCLUDED__ | ||
6 | #define __C_PAK_READER_H_INCLUDED__ | ||
7 | |||
8 | #include "IrrCompileConfig.h" | ||
9 | |||
10 | #ifdef __IRR_COMPILE_WITH_PAK_ARCHIVE_LOADER_ | ||
11 | |||
12 | #include "IReferenceCounted.h" | ||
13 | #include "IReadFile.h" | ||
14 | #include "irrArray.h" | ||
15 | #include "irrString.h" | ||
16 | #include "IFileSystem.h" | ||
17 | #include "CFileList.h" | ||
18 | |||
19 | namespace irr | ||
20 | { | ||
21 | namespace io | ||
22 | { | ||
23 | //! File header containing location and size of the table of contents | ||
24 | struct SPAKFileHeader | ||
25 | { | ||
26 | // Don't change the order of these fields! They must match the order stored on disk. | ||
27 | c8 tag[4]; | ||
28 | u32 offset; | ||
29 | u32 length; | ||
30 | }; | ||
31 | |||
32 | //! An entry in the PAK file's table of contents. | ||
33 | struct SPAKFileEntry | ||
34 | { | ||
35 | // Don't change the order of these fields! They must match the order stored on disk. | ||
36 | c8 name[56]; | ||
37 | u32 offset; | ||
38 | u32 length; | ||
39 | }; | ||
40 | |||
41 | //! Archiveloader capable of loading PAK Archives | ||
42 | class CArchiveLoaderPAK : public IArchiveLoader | ||
43 | { | ||
44 | public: | ||
45 | |||
46 | //! Constructor | ||
47 | CArchiveLoaderPAK(io::IFileSystem* fs); | ||
48 | |||
49 | //! returns true if the file maybe is able to be loaded by this class | ||
50 | //! based on the file extension (e.g. ".zip") | ||
51 | virtual bool isALoadableFileFormat(const io::path& filename) const; | ||
52 | |||
53 | //! Check if the file might be loaded by this class | ||
54 | /** Check might look into the file. | ||
55 | \param file File handle to check. | ||
56 | \return True if file seems to be loadable. */ | ||
57 | virtual bool isALoadableFileFormat(io::IReadFile* file) const; | ||
58 | |||
59 | //! Check to see if the loader can create archives of this type. | ||
60 | /** Check based on the archive type. | ||
61 | \param fileType The archive type to check. | ||
62 | \return True if the archile loader supports this type, false if not */ | ||
63 | virtual bool isALoadableFileFormat(E_FILE_ARCHIVE_TYPE fileType) const; | ||
64 | |||
65 | //! Creates an archive from the filename | ||
66 | /** \param file File handle to check. | ||
67 | \return Pointer to newly created archive, or 0 upon error. */ | ||
68 | virtual IFileArchive* createArchive(const io::path& filename, bool ignoreCase, bool ignorePaths) const; | ||
69 | |||
70 | //! creates/loads an archive from the file. | ||
71 | //! \return Pointer to the created archive. Returns 0 if loading failed. | ||
72 | virtual io::IFileArchive* createArchive(io::IReadFile* file, bool ignoreCase, bool ignorePaths) const; | ||
73 | |||
74 | //! Returns the type of archive created by this loader | ||
75 | virtual E_FILE_ARCHIVE_TYPE getType() const { return EFAT_PAK; } | ||
76 | |||
77 | private: | ||
78 | io::IFileSystem* FileSystem; | ||
79 | }; | ||
80 | |||
81 | |||
82 | //! reads from pak | ||
83 | class CPakReader : public virtual IFileArchive, virtual CFileList | ||
84 | { | ||
85 | public: | ||
86 | |||
87 | CPakReader(IReadFile* file, bool ignoreCase, bool ignorePaths); | ||
88 | virtual ~CPakReader(); | ||
89 | |||
90 | // file archive methods | ||
91 | |||
92 | //! return the id of the file Archive | ||
93 | virtual const io::path& getArchiveName() const | ||
94 | { | ||
95 | return File->getFileName(); | ||
96 | } | ||
97 | |||
98 | //! opens a file by file name | ||
99 | virtual IReadFile* createAndOpenFile(const io::path& filename); | ||
100 | |||
101 | //! opens a file by index | ||
102 | virtual IReadFile* createAndOpenFile(u32 index); | ||
103 | |||
104 | //! returns the list of files | ||
105 | virtual const IFileList* getFileList() const; | ||
106 | |||
107 | //! get the class Type | ||
108 | virtual E_FILE_ARCHIVE_TYPE getType() const { return EFAT_PAK; } | ||
109 | |||
110 | private: | ||
111 | |||
112 | //! scans for a local header, returns false if the header is invalid | ||
113 | bool scanLocalHeader(); | ||
114 | |||
115 | IReadFile* File; | ||
116 | |||
117 | }; | ||
118 | |||
119 | } // end namespace io | ||
120 | } // end namespace irr | ||
121 | |||
122 | #endif // __IRR_COMPILE_WITH_PAK_ARCHIVE_LOADER_ | ||
123 | |||
124 | #endif // __C_PAK_READER_H_INCLUDED__ | ||
125 | |||