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annotate libs/assimp/DefaultIOStream.h @ 2:334d17aed7de

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author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 02 Feb 2014 18:36:38 +0200
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nuclear@0 1 /*
nuclear@0 2 Open Asset Import Library (assimp)
nuclear@0 3 ----------------------------------------------------------------------
nuclear@0 4
nuclear@0 5 Copyright (c) 2006-2012, assimp team
nuclear@0 6 All rights reserved.
nuclear@0 7
nuclear@0 8 Redistribution and use of this software in source and binary forms,
nuclear@0 9 with or without modification, are permitted provided that the
nuclear@0 10 following conditions are met:
nuclear@0 11
nuclear@0 12 * Redistributions of source code must retain the above
nuclear@0 13 copyright notice, this list of conditions and the
nuclear@0 14 following disclaimer.
nuclear@0 15
nuclear@0 16 * Redistributions in binary form must reproduce the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer in the documentation and/or other
nuclear@0 19 materials provided with the distribution.
nuclear@0 20
nuclear@0 21 * Neither the name of the assimp team, nor the names of its
nuclear@0 22 contributors may be used to endorse or promote products
nuclear@0 23 derived from this software without specific prior
nuclear@0 24 written permission of the assimp team.
nuclear@0 25
nuclear@0 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 37
nuclear@0 38 ----------------------------------------------------------------------
nuclear@0 39 */
nuclear@0 40
nuclear@0 41 /** @file Default file I/O using fXXX()-family of functions */
nuclear@0 42 #ifndef AI_DEFAULTIOSTREAM_H_INC
nuclear@0 43 #define AI_DEFAULTIOSTREAM_H_INC
nuclear@0 44
nuclear@0 45 #include <stdio.h>
nuclear@0 46 #include "assimp/IOStream.hpp"
nuclear@0 47
nuclear@0 48 namespace Assimp {
nuclear@0 49
nuclear@0 50 // ----------------------------------------------------------------------------------
nuclear@0 51 //! @class DefaultIOStream
nuclear@0 52 //! @brief Default IO implementation, use standard IO operations
nuclear@0 53 //! @note An instance of this class can exist without a valid file handle
nuclear@0 54 //! attached to it. All calls fail, but the instance can nevertheless be
nuclear@0 55 //! used with no restrictions.
nuclear@0 56 class DefaultIOStream : public IOStream
nuclear@0 57 {
nuclear@0 58 friend class DefaultIOSystem;
nuclear@0 59
nuclear@0 60 protected:
nuclear@0 61 DefaultIOStream ();
nuclear@0 62 DefaultIOStream (FILE* pFile, const std::string &strFilename);
nuclear@0 63
nuclear@0 64 public:
nuclear@0 65 /** Destructor public to allow simple deletion to close the file. */
nuclear@0 66 ~DefaultIOStream ();
nuclear@0 67
nuclear@0 68 // -------------------------------------------------------------------
nuclear@0 69 // Read from stream
nuclear@0 70 size_t Read(void* pvBuffer,
nuclear@0 71 size_t pSize,
nuclear@0 72 size_t pCount);
nuclear@0 73
nuclear@0 74
nuclear@0 75 // -------------------------------------------------------------------
nuclear@0 76 // Write to stream
nuclear@0 77 size_t Write(const void* pvBuffer,
nuclear@0 78 size_t pSize,
nuclear@0 79 size_t pCount);
nuclear@0 80
nuclear@0 81 // -------------------------------------------------------------------
nuclear@0 82 // Seek specific position
nuclear@0 83 aiReturn Seek(size_t pOffset,
nuclear@0 84 aiOrigin pOrigin);
nuclear@0 85
nuclear@0 86 // -------------------------------------------------------------------
nuclear@0 87 // Get current seek position
nuclear@0 88 size_t Tell() const;
nuclear@0 89
nuclear@0 90 // -------------------------------------------------------------------
nuclear@0 91 // Get size of file
nuclear@0 92 size_t FileSize() const;
nuclear@0 93
nuclear@0 94 // -------------------------------------------------------------------
nuclear@0 95 // Flush file contents
nuclear@0 96 void Flush();
nuclear@0 97
nuclear@0 98 private:
nuclear@0 99 //! File datastructure, using clib
nuclear@0 100 FILE* mFile;
nuclear@0 101 //! Filename
nuclear@0 102 std::string mFilename;
nuclear@0 103
nuclear@0 104 //! Cached file size
nuclear@0 105 mutable size_t cachedSize;
nuclear@0 106 };
nuclear@0 107
nuclear@0 108
nuclear@0 109 // ----------------------------------------------------------------------------------
nuclear@0 110 inline DefaultIOStream::DefaultIOStream () :
nuclear@0 111 mFile (NULL),
nuclear@0 112 mFilename (""),
nuclear@0 113 cachedSize (SIZE_MAX)
nuclear@0 114 {
nuclear@0 115 // empty
nuclear@0 116 }
nuclear@0 117
nuclear@0 118
nuclear@0 119 // ----------------------------------------------------------------------------------
nuclear@0 120 inline DefaultIOStream::DefaultIOStream (FILE* pFile,
nuclear@0 121 const std::string &strFilename) :
nuclear@0 122 mFile(pFile),
nuclear@0 123 mFilename(strFilename),
nuclear@0 124 cachedSize (SIZE_MAX)
nuclear@0 125 {
nuclear@0 126 // empty
nuclear@0 127 }
nuclear@0 128 // ----------------------------------------------------------------------------------
nuclear@0 129
nuclear@0 130 } // ns assimp
nuclear@0 131
nuclear@0 132 #endif //!!AI_DEFAULTIOSTREAM_H_INC
nuclear@0 133