1 // Copyright 2013 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_ 6 #define BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_ 7 8 #include <string> 9 10 #include "base/base_export.h" 11 12 namespace base { 13 14 // An individual pattern of a substring or regex matcher. A pattern consists of 15 // a string (interpreted as individual bytes, no character encoding) and an 16 // identifier. 17 // IDs are returned to the caller of SubstringSetMatcher::Match() or 18 // RegexMatcher::MatchURL() to help the caller to figure out what 19 // patterns matched a string. All patterns registered to a matcher 20 // need to contain unique IDs. 21 class BASE_EXPORT MatcherStringPattern { 22 public: 23 using ID = size_t; 24 25 // An invalid ID value. Clients must not use this as the id. 26 static constexpr ID kInvalidId = static_cast<ID>(-1); 27 28 MatcherStringPattern(std::string pattern, ID id); 29 30 MatcherStringPattern(const MatcherStringPattern&) = delete; 31 MatcherStringPattern& operator=(const MatcherStringPattern&) = delete; 32 33 ~MatcherStringPattern(); 34 MatcherStringPattern(MatcherStringPattern&&); 35 MatcherStringPattern& operator=(MatcherStringPattern&&); pattern()36 const std::string& pattern() const { return pattern_; } id()37 ID id() const { return id_; } 38 39 bool operator<(const MatcherStringPattern& rhs) const; 40 41 private: 42 std::string pattern_; 43 ID id_; 44 }; 45 46 } // namespace base 47 48 #endif // BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_ 49