| 130 | |
| 131 | |
| 132 | OSL_SHADEOP int |
| 133 | osl_regex_impl (void *sg_, const char *subject_, void *results, int nresults, |
| 134 | const char *pattern, int fullmatch) |
| 135 | { |
| 136 | ShaderGlobals *sg = (ShaderGlobals *)sg_; |
| 137 | ShadingContext *ctx = sg->context; |
| 138 | const std::string &subject (ustring::from_unique(subject_).string()); |
| 139 | match_results<std::string::const_iterator> mresults; |
| 140 | const regex ®ex (ctx->find_regex (USTR(pattern))); |
| 141 | if (nresults > 0) { |
| 142 | std::string::const_iterator start = subject.begin(); |
| 143 | int res = fullmatch ? regex_match (subject, mresults, regex) |
| 144 | : regex_search (subject, mresults, regex); |
| 145 | int *m = (int *)results; |
| 146 | for (int r = 0; r < nresults; ++r) { |
| 147 | if (r/2 < (int)mresults.size()) { |
| 148 | if ((r & 1) == 0) |
| 149 | m[r] = mresults[r/2].first - start; |
| 150 | else |
| 151 | m[r] = mresults[r/2].second - start; |
| 152 | } else { |
| 153 | m[r] = USTR(pattern).length(); |
| 154 | } |
| 155 | } |
| 156 | return res; |
| 157 | } else { |
| 158 | return fullmatch ? regex_match (subject, regex) |
| 159 | : regex_search (subject, regex); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | |
| 164 | OSL_SHADEOP const char * |