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1 /*
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2 ---------------------------------------------------------------------------
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3 Open Asset Import Library (assimp)
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4 ---------------------------------------------------------------------------
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5
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6 Copyright (c) 2006-2018, assimp team
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7
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8
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9
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10 All rights reserved.
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11
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12 Redistribution and use of this software in source and binary forms,
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13 with or without modification, are permitted provided that the following
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14 conditions are met:
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15
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16 * Redistributions of source code must retain the above
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17 copyright notice, this list of conditions and the
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18 following disclaimer.
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19
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20 * Redistributions in binary form must reproduce the above
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21 copyright notice, this list of conditions and the
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22 following disclaimer in the documentation and/or other
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23 materials provided with the distribution.
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24
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25 * Neither the name of the assimp team, nor the names of its
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26 contributors may be used to endorse or promote products
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27 derived from this software without specific prior
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28 written permission of the assimp team.
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29
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30 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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31 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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32 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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33 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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34 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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35 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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36 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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37 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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38 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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39 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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40 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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41 ---------------------------------------------------------------------------
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42 */
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43
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44 /** @file aiFileIO -> IOSystem wrapper*/
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45
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46 #ifndef AI_CIOSYSTEM_H_INCLUDED
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47 #define AI_CIOSYSTEM_H_INCLUDED
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48
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49 #include <miniassimp/cfileio.h>
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50 #include <miniassimp/IOStream.hpp>
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51 #include <miniassimp/IOSystem.hpp>
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52
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53 namespace Assimp {
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54
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55 class CIOSystemWrapper;
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56
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57 // ------------------------------------------------------------------------------------------------
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58 // Custom IOStream implementation for the C-API
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59 class CIOStreamWrapper : public IOStream
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60 {
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61 public:
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62 explicit CIOStreamWrapper(aiFile* pFile, CIOSystemWrapper* io)
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63 : mFile(pFile),
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64 mIO(io)
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65 {}
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66 ~CIOStreamWrapper(void);
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67
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68 size_t Read(void* pvBuffer, size_t pSize, size_t pCount);
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69 size_t Write(const void* pvBuffer, size_t pSize, size_t pCount);
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70 aiReturn Seek(size_t pOffset, aiOrigin pOrigin);
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71 size_t Tell(void) const;
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72 size_t FileSize() const;
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73 void Flush();
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74
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75 private:
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76 aiFile* mFile;
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77 CIOSystemWrapper* mIO;
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78 };
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79
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80 class CIOSystemWrapper : public IOSystem
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81 {
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82 friend class CIOStreamWrapper;
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83 public:
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84 explicit CIOSystemWrapper(aiFileIO* pFile)
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85 : mFileSystem(pFile)
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86 {}
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87
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88 bool Exists( const char* pFile) const;
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89 char getOsSeparator() const;
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90 IOStream* Open(const char* pFile,const char* pMode = "rb");
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91 void Close( IOStream* pFile);
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92 private:
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93 aiFileIO* mFileSystem;
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94 };
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95
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96 }
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97
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98 #endif
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99
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