| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef ANDROIDFW_LOCALE_VALUE_H |
| #define ANDROIDFW_LOCALE_VALUE_H |
| |
| #include <string> |
| #include <vector> |
| |
| #include "androidfw/ResourceTypes.h" |
| #include "androidfw/StringPiece.h" |
| |
| namespace android { |
| |
| /** |
| * A convenience class to build and parse locales. |
| */ |
| struct LocaleValue { |
| char language[4]; |
| char region[4]; |
| char script[4]; |
| char variant[8]; |
| |
| inline LocaleValue(); |
| |
| /** |
| * Initialize this LocaleValue from a config string. |
| */ |
| bool InitFromFilterString(const android::StringPiece& config); |
| |
| // Initializes this LocaleValue from a BCP-47 locale tag. |
| bool InitFromBcp47Tag(const android::StringPiece& bcp47tag); |
| |
| /** |
| * Initialize this LocaleValue from parts of a vector. |
| */ |
| ssize_t InitFromParts(std::vector<std::string>::iterator iter, |
| std::vector<std::string>::iterator end); |
| |
| /** |
| * Initialize this LocaleValue from a ResTable_config. |
| */ |
| void InitFromResTable(const android::ResTable_config& config); |
| |
| /** |
| * Set the locale in a ResTable_config from this LocaleValue. |
| */ |
| void WriteTo(android::ResTable_config* out) const; |
| |
| inline int compare(const LocaleValue& other) const; |
| |
| inline bool operator<(const LocaleValue& o) const; |
| inline bool operator<=(const LocaleValue& o) const; |
| inline bool operator==(const LocaleValue& o) const; |
| inline bool operator!=(const LocaleValue& o) const; |
| inline bool operator>=(const LocaleValue& o) const; |
| inline bool operator>(const LocaleValue& o) const; |
| |
| private: |
| bool InitFromBcp47TagImpl(const android::StringPiece& bcp47tag, const char separator); |
| |
| void set_language(const char* language); |
| void set_region(const char* language); |
| void set_script(const char* script); |
| void set_variant(const char* variant); |
| }; |
| |
| // |
| // Implementation |
| // |
| |
| LocaleValue::LocaleValue() { memset(this, 0, sizeof(LocaleValue)); } |
| |
| int LocaleValue::compare(const LocaleValue& other) const { |
| return memcmp(this, &other, sizeof(LocaleValue)); |
| } |
| |
| bool LocaleValue::operator<(const LocaleValue& o) const { |
| return compare(o) < 0; |
| } |
| |
| bool LocaleValue::operator<=(const LocaleValue& o) const { |
| return compare(o) <= 0; |
| } |
| |
| bool LocaleValue::operator==(const LocaleValue& o) const { |
| return compare(o) == 0; |
| } |
| |
| bool LocaleValue::operator!=(const LocaleValue& o) const { |
| return compare(o) != 0; |
| } |
| |
| bool LocaleValue::operator>=(const LocaleValue& o) const { |
| return compare(o) >= 0; |
| } |
| |
| bool LocaleValue::operator>(const LocaleValue& o) const { |
| return compare(o) > 0; |
| } |
| |
| } // namespace android |
| |
| #endif // ANDROIDFW_LOCALE_VALUE_H |