118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_LOCALE_VALUE_H
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#define AAPT_LOCALE_VALUE_H
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#include <string>
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#include <vector>
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#include "androidfw/ResourceTypes.h"
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#include "androidfw/StringPiece.h"
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namespace aapt {
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/**
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* A convenience class to build and parse locales.
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*/
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struct LocaleValue {
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char language[4];
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char region[4];
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char script[4];
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char variant[8];
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inline LocaleValue();
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/**
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* Initialize this LocaleValue from a config string.
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*/
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bool InitFromFilterString(const android::StringPiece& config);
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// Initializes this LocaleValue from a BCP-47 locale tag.
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bool InitFromBcp47Tag(const android::StringPiece& bcp47tag);
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/**
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* Initialize this LocaleValue from parts of a vector.
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*/
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ssize_t InitFromParts(std::vector<std::string>::iterator iter,
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std::vector<std::string>::iterator end);
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/**
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* Initialize this LocaleValue from a ResTable_config.
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*/
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void InitFromResTable(const android::ResTable_config& config);
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/**
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* Set the locale in a ResTable_config from this LocaleValue.
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*/
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void WriteTo(android::ResTable_config* out) const;
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inline int compare(const LocaleValue& other) const;
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inline bool operator<(const LocaleValue& o) const;
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inline bool operator<=(const LocaleValue& o) const;
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inline bool operator==(const LocaleValue& o) const;
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inline bool operator!=(const LocaleValue& o) const;
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inline bool operator>=(const LocaleValue& o) const;
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inline bool operator>(const LocaleValue& o) const;
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private:
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bool InitFromBcp47TagImpl(const android::StringPiece& bcp47tag, const char separator);
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void set_language(const char* language);
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void set_region(const char* language);
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void set_script(const char* script);
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void set_variant(const char* variant);
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};
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//
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// Implementation
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//
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LocaleValue::LocaleValue() { memset(this, 0, sizeof(LocaleValue)); }
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int LocaleValue::compare(const LocaleValue& other) const {
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return memcmp(this, &other, sizeof(LocaleValue));
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}
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bool LocaleValue::operator<(const LocaleValue& o) const {
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return compare(o) < 0;
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}
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bool LocaleValue::operator<=(const LocaleValue& o) const {
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return compare(o) <= 0;
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}
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bool LocaleValue::operator==(const LocaleValue& o) const {
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return compare(o) == 0;
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}
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bool LocaleValue::operator!=(const LocaleValue& o) const {
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return compare(o) != 0;
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}
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bool LocaleValue::operator>=(const LocaleValue& o) const {
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return compare(o) >= 0;
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}
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bool LocaleValue::operator>(const LocaleValue& o) const {
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return compare(o) > 0;
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}
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} // namespace aapt
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#endif // AAPT_LOCALE_VALUE_H
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