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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_
#define BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_
#include <string>
#include "base/base_export.h"
#include "base/compiler_specific.h"
namespace base {
// An individual pattern of a substring or regex matcher. A pattern consists of
// a string (interpreted as individual bytes, no character encoding) and an
// identifier.
// IDs are returned to the caller of SubstringSetMatcher::Match() or
// RegexMatcher::MatchURL() to help the caller to figure out what
// patterns matched a string. All patterns registered to a matcher
// need to contain unique IDs.
class BASE_EXPORT MatcherStringPattern {
public:
using ID = size_t;
// An invalid ID value. Clients must not use this as the id.
static constexpr ID kInvalidId = static_cast<ID>(-1);
MatcherStringPattern(std::string pattern, ID id);
MatcherStringPattern(const MatcherStringPattern&) = delete;
MatcherStringPattern& operator=(const MatcherStringPattern&) = delete;
~MatcherStringPattern();
MatcherStringPattern(MatcherStringPattern&&);
MatcherStringPattern& operator=(MatcherStringPattern&&);
const std::string& pattern() const LIFETIME_BOUND { return pattern_; }
ID id() const { return id_; }
bool operator<(const MatcherStringPattern& rhs) const;
private:
std::string pattern_;
ID id_;
};
} // namespace base
#endif // BASE_SUBSTRING_SET_MATCHER_MATCHER_STRING_PATTERN_H_
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