1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14 copyright notice, this list of conditions and the
15 following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18 copyright notice, this list of conditions and the
19 following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23 contributors may be used to endorse or promote products
24 derived from this software without specific prior
25 written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41
42/** @file RemoveComments.cpp
43 * @brief Defines the CommentRemover utility class
44 */
45
46#include "RemoveComments.h"
47#include "ParsingUtils.h"
48
49namespace Assimp {
50
51// ------------------------------------------------------------------------------------------------
52// Remove line comments from a file
53void CommentRemover::RemoveLineComments(const char* szComment,
54 char* szBuffer, char chReplacement /* = ' ' */)
55{
56 // validate parameters
57 ai_assert(NULL != szComment && NULL != szBuffer && *szComment);
58
59 const size_t len = strlen(szComment);
60 while (*szBuffer) {
61
62 // skip over quotes
63 if (*szBuffer == '\"' || *szBuffer == '\'')
64 while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
65
66 if (!strncmp(szBuffer,szComment,len)) {
67 while (!IsLineEnd(*szBuffer))
68 *szBuffer++ = chReplacement;
69 }
70 ++szBuffer;
71 }
72}
73
74// ------------------------------------------------------------------------------------------------
75// Remove multi-line comments from a file
76void CommentRemover::RemoveMultiLineComments(const char* szCommentStart,
77 const char* szCommentEnd,char* szBuffer,
78 char chReplacement)
79{
80 // validate parameters
81 ai_assert(NULL != szCommentStart && NULL != szCommentEnd &&
82 NULL != szBuffer && *szCommentStart && *szCommentEnd);
83
84 const size_t len = strlen(szCommentEnd);
85 const size_t len2 = strlen(szCommentStart);
86
87 while (*szBuffer) {
88 // skip over quotes
89 if (*szBuffer == '\"' || *szBuffer == '\'')
90 while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
91
92 if (!strncmp(szBuffer,szCommentStart,len2)) {
93 while (*szBuffer) {
94 if (!::strncmp(szBuffer,szCommentEnd,len)) {
95 for (unsigned int i = 0; i < len;++i)
96 *szBuffer++ = chReplacement;
97
98 break;
99 }
100 *szBuffer++ = chReplacement;
101 }
102 continue;
103 }
104 ++szBuffer;
105 }
106}
107
108} // !! Assimp
109