chromium/third_party/libphonenumber/dist/cpp/src/phonenumbers/regexp_adapter_icu.cc

// Copyright (C) 2011 The Libphonenumber Authors
//
// Licensed 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.

// Author: George Yakovlev
//         Philippe Liard

// Note that we don't use features of ICU that depend on std::string (e.g.
// UnicodeString::toUTF8String()) to support clients that build ICU without
// -DU_HAVE_STD_STRING.

#include "phonenumbers/regexp_adapter_icu.h"

#include <stddef.h>
#include <string>

#include <unicode/regex.h>
#include <unicode/stringpiece.h>
#include <unicode/unistr.h>

#include "phonenumbers/base/basictypes.h"
#include "phonenumbers/base/logging.h"
#include "phonenumbers/base/memory/scoped_ptr.h"
#include "phonenumbers/default_logger.h"
#include "phonenumbers/string_byte_sink.h"

namespace i18n {
namespace phonenumbers {

RegexMatcher;
RegexPattern;
UnicodeString;

namespace {

// Converts UnicodeString 'source' to a UTF8-formatted std::string.
string UnicodeStringToUtf8String(const UnicodeString& source) { … }

// Converts UTF8-formatted std::string 'source' to a UnicodeString.
UnicodeString Utf8StringToUnicodeString(const string& source) { … }

}  // namespace

// Implementation of the abstract classes RegExpInput and RegExp using ICU
// regular expression capabilities.

// ICU implementation of the RegExpInput abstract class.
class IcuRegExpInput : public RegExpInput { … };

// ICU implementation of the RegExp abstract class.
class IcuRegExp : public RegExp { … };

RegExpInput* ICURegExpFactory::CreateInput(const string& utf8_input) const { … }

RegExp* ICURegExpFactory::CreateRegExp(const string& utf8_regexp) const { … }

}  // namespace phonenumbers
}  // namespace i18n