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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) 2006-2012, assimp team
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6 All rights reserved.
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7
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8 Redistribution and use of this software in source and binary forms,
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9 with or without modification, are permitted provided that the
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10 following conditions are met:
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11
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12 * Redistributions of source code must retain the above
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13 copyright notice, this list of conditions and the
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14 following disclaimer.
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15
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16 * Redistributions in binary form must reproduce the above
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17 copyright notice, this list of conditions and the
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18 following disclaimer in the documentation and/or other
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19 materials provided with the distribution.
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20
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21 * Neither the name of the assimp team, nor the names of its
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22 contributors may be used to endorse or promote products
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23 derived from this software without specific prior
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24 written permission of the assimp team.
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25
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26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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37
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38 ----------------------------------------------------------------------
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39 */
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40
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41 /** @file LogStream.h
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42 * @brief Abstract base class 'LogStream', representing an output log stream.
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43 */
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44 #ifndef INCLUDED_AI_LOGSTREAM_H
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45 #define INCLUDED_AI_LOGSTREAM_H
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46 #include "types.h"
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47 namespace Assimp {
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48 class IOSystem;
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49
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50 // ------------------------------------------------------------------------------------
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51 /** @brief CPP-API: Abstract interface for log stream implementations.
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52 *
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53 * Several default implementations are provided, see #aiDefaultLogStream for more
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54 * details. Writing your own implementation of LogStream is just necessary if these
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55 * are not enough for your purpose. */
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56 class ASSIMP_API LogStream
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57 : public Intern::AllocateFromAssimpHeap {
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58 protected:
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59 /** @brief Default constructor */
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60 LogStream() {
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61 }
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62 public:
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63 /** @brief Virtual destructor */
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64 virtual ~LogStream() {
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65 }
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66
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67 // -------------------------------------------------------------------
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68 /** @brief Overwrite this for your own output methods
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69 *
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70 * Log messages *may* consist of multiple lines and you shouldn't
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71 * expect a consistent formatting. If you want custom formatting
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72 * (e.g. generate HTML), supply a custom instance of Logger to
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73 * #DefaultLogger:set(). Usually you can *expect* that a log message
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74 * is exactly one line and terminated with a single \n character.
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75 * @param message Message to be written */
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76 virtual void write(const char* message) = 0;
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77
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78 // -------------------------------------------------------------------
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79 /** @brief Creates a default log stream
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80 * @param streams Type of the default stream
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81 * @param name For aiDefaultLogStream_FILE: name of the output file
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82 * @param io For aiDefaultLogStream_FILE: IOSystem to be used to open the output
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83 * file. Pass NULL for the default implementation.
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84 * @return New LogStream instance. */
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85 static LogStream* createDefaultStream(aiDefaultLogStream stream,
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86 const char* name = "AssimpLog.txt",
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87 IOSystem* io = NULL);
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88
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89 }; // !class LogStream
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90 // ------------------------------------------------------------------------------------
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91 } // Namespace Assimp
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92
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93 #endif
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