| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| #include "regex_helper.h" |
| |
| bool |
| regexHelper::setRegexMatch(const std::string &s) |
| { |
| const char *errorComp = nullptr; |
| const char *errorStudy = nullptr; |
| int erroffset; |
| |
| regexString = s; |
| regex = pcre_compile(regexString.c_str(), 0, &errorComp, &erroffset, nullptr); |
| |
| if (regex == nullptr) { |
| return false; |
| } |
| regexExtra = pcre_study(regex, 0, &errorStudy); |
| if ((regexExtra == nullptr) && (errorStudy != nullptr)) { |
| return false; |
| } |
| if (pcre_fullinfo(regex, regexExtra, PCRE_INFO_CAPTURECOUNT, ®exCcount) != 0) { |
| return false; |
| } |
| return true; |
| } |
| |
| int |
| regexHelper::regexMatch(const char *str, int len, int ovector[]) const |
| { |
| return pcre_exec(regex, // the compiled pattern |
| regexExtra, // Extra data from study (maybe) |
| str, // the subject std::string |
| len, // the length of the subject |
| 0, // start at offset 0 in the subject |
| 0, // default options |
| ovector, // output vector for substring information |
| OVECCOUNT); // number of elements in the output vector |
| }; |