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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_ADDRESS_REWRITER_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_ADDRESS_REWRITER_H_
#include "base/strings/string16.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"
namespace autofill {
// A class to apply address normalization rewriting rules to strings. This
// class is a wrapper to a handle for a set of cached rules. As such, it is
// copyable, movable, and passable by value.
class AddressRewriter {
public:
// Get an AddressRewrite instance which applies the rules for |country_code|.
static AddressRewriter ForCountryCode(const base::string16& country_code);
// Apply the rewrite rules to |text| and return the result.
base::string16 Rewrite(const base::string16& text) const;
private:
// A handle to the internal rewrite rules this instance is using.
const void* impl_ = nullptr;
};
// Implementation details follow. Not part of the public interface.
namespace internal {
// The structure used to statically define a rule.
struct Rule {
const char* pattern;
const char* rewrite;
};
// The structure used to statically define a set of rules for a region.
struct RegionInfo {
const char* region;
const Rule* rules;
size_t num_rules;
bool operator<(const base::StringPiece& region) const {
return base::CompareCaseInsensitiveASCII(this->region, region) < 0;
}
bool operator==(const base::StringPiece& region) const {
return base::EqualsCaseInsensitiveASCII(this->region, region);
}
};
// The statically defined rule table, sorted by region.
extern const internal::RegionInfo kRuleTable[];
// The size (in records) of the statically defined rule table.
extern const size_t kRuleTableSize;
} // namespace internal
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_ADDRESS_REWRITER_H_
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