1 // Copyright 2015 Google Inc. All rights reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "re.h"
16 
17 namespace benchmark {
18 
Regex()19 Regex::Regex() : init_(false) { }
20 
Init(const std::string & spec,std::string * error)21 bool Regex::Init(const std::string& spec, std::string* error) {
22   try {
23     re_ = std::regex(spec, std::regex_constants::extended);
24 
25     init_ = true;
26   } catch (const std::regex_error& e) {
27     if (error) {
28       *error = e.what();
29     }
30   }
31   return init_;
32 }
33 
~Regex()34 Regex::~Regex() { }
35 
Match(const std::string & str)36 bool Regex::Match(const std::string& str) {
37   if (!init_) {
38     return false;
39   }
40 
41   return std::regex_search(str, re_);
42 }
43 
44 }  // end namespace benchmark
45