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1 /*
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2 Open Asset Import Library (assimp)
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3 ----------------------------------------------------------------------
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4
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5 Copyright (c) 2006-2018, assimp team
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6
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7
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8 All rights reserved.
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9
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10 Redistribution and use of this software in source and binary forms,
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11 with or without modification, are permitted provided that the
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12 following conditions are met:
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13
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14 * Redistributions of source code must retain the above
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15 copyright notice, this list of conditions and the
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16 following disclaimer.
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17
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18 * Redistributions in binary form must reproduce the above
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19 copyright notice, this list of conditions and the
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20 following disclaimer in the documentation and/or other
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21 materials provided with the distribution.
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22
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23 * Neither the name of the assimp team, nor the names of its
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24 contributors may be used to endorse or promote products
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25 derived from this software without specific prior
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26 written permission of the assimp team.
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27
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28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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39
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40 ----------------------------------------------------------------------
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41 */
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42
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43 /** @file LogStream.hpp
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44 * @brief Abstract base class 'LogStream', representing an output log stream.
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45 */
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46 #ifndef INCLUDED_AI_LOGSTREAM_H
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47 #define INCLUDED_AI_LOGSTREAM_H
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48
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49 #include "types.h"
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50
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51 namespace Assimp {
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52
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53 class IOSystem;
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54
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55 // ------------------------------------------------------------------------------------
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56 /** @brief CPP-API: Abstract interface for log stream implementations.
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57 *
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58 * Several default implementations are provided, see #aiDefaultLogStream for more
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59 * details. Writing your own implementation of LogStream is just necessary if these
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60 * are not enough for your purpose. */
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61 class ASSIMP_API LogStream
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62 #ifndef SWIG
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63 : public Intern::AllocateFromAssimpHeap
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64 #endif
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65 {
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66 protected:
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67 /** @brief Default constructor */
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68 LogStream() AI_NO_EXCEPT;
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69
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70 public:
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71 /** @brief Virtual destructor */
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72 virtual ~LogStream();
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73
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74 // -------------------------------------------------------------------
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75 /** @brief Overwrite this for your own output methods
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76 *
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77 * Log messages *may* consist of multiple lines and you shouldn't
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78 * expect a consistent formatting. If you want custom formatting
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79 * (e.g. generate HTML), supply a custom instance of Logger to
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80 * #DefaultLogger:set(). Usually you can *expect* that a log message
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81 * is exactly one line and terminated with a single \n character.
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82 * @param message Message to be written */
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83 virtual void write(const char* message) = 0;
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84
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85 // -------------------------------------------------------------------
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86 /** @brief Creates a default log stream
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87 * @param streams Type of the default stream
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88 * @param name For aiDefaultLogStream_FILE: name of the output file
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89 * @param io For aiDefaultLogStream_FILE: IOSystem to be used to open the output
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90 * file. Pass NULL for the default implementation.
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91 * @return New LogStream instance. */
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92 static LogStream* createDefaultStream(aiDefaultLogStream stream,
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93 const char* name = "AssimpLog.txt",
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94 IOSystem* io = 0 );
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95
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96 }; // !class LogStream
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97
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98 inline
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99 LogStream::LogStream() AI_NO_EXCEPT {
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100 // empty
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101 }
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102
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103 inline
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104 LogStream::~LogStream() {
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105 // empty
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106 }
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107
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108 // ------------------------------------------------------------------------------------
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109 } // Namespace Assimp
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110
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111 #endif
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