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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 RemoveComments.cpp
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42 * @brief Defines the CommentRemover utility class
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43 */
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44
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45 #include "AssimpPCH.h"
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46 #include "RemoveComments.h"
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47 #include "ParsingUtils.h"
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48
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49 namespace Assimp {
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50
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51 // ------------------------------------------------------------------------------------------------
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52 // Remove line comments from a file
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53 void CommentRemover::RemoveLineComments(const char* szComment,
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54 char* szBuffer, char chReplacement /* = ' ' */)
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55 {
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56 // validate parameters
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57 ai_assert(NULL != szComment && NULL != szBuffer && *szComment);
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58
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59 const size_t len = strlen(szComment);
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60 while (*szBuffer) {
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61
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62 // skip over quotes
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63 if (*szBuffer == '\"' || *szBuffer == '\'')
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64 while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
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65
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66 if (!strncmp(szBuffer,szComment,len)) {
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67 while (!IsLineEnd(*szBuffer))
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68 *szBuffer++ = chReplacement;
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69 }
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70 ++szBuffer;
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71 }
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72 }
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73
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74 // ------------------------------------------------------------------------------------------------
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75 // Remove multi-line comments from a file
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76 void CommentRemover::RemoveMultiLineComments(const char* szCommentStart,
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77 const char* szCommentEnd,char* szBuffer,
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78 char chReplacement)
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79 {
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80 // validate parameters
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81 ai_assert(NULL != szCommentStart && NULL != szCommentEnd &&
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82 NULL != szBuffer && *szCommentStart && *szCommentEnd);
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83
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84 const size_t len = strlen(szCommentEnd);
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85 const size_t len2 = strlen(szCommentStart);
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86
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87 while (*szBuffer) {
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88 // skip over quotes
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89 if (*szBuffer == '\"' || *szBuffer == '\'')
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90 while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
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91
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92 if (!strncmp(szBuffer,szCommentStart,len2)) {
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93 while (*szBuffer) {
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94 if (!::strncmp(szBuffer,szCommentEnd,len)) {
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95 for (unsigned int i = 0; i < len;++i)
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96 *szBuffer++ = chReplacement;
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97
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98 break;
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99 }
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100 *szBuffer++ = chReplacement;
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101 }
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102 continue;
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103 }
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104 ++szBuffer;
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105 }
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106 }
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107
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108 } // !! Assimp
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