1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AAPT_LOCALE_VALUE_H 18 #define AAPT_LOCALE_VALUE_H 19 20 #include <androidfw/ResourceTypes.h> 21 #include <string> 22 #include <vector> 23 24 namespace aapt { 25 26 /** 27 * A convenience class to build and parse locales. 28 */ 29 struct LocaleValue { 30 char language[4]; 31 char region[4]; 32 char script[4]; 33 char variant[8]; 34 35 inline LocaleValue(); 36 37 /** 38 * Initialize this LocaleValue from a config string. 39 */ 40 bool initFromFilterString(const std::string& config); 41 42 /** 43 * Initialize this LocaleValue from parts of a vector. 44 */ 45 ssize_t initFromParts(std::vector<std::string>::iterator iter, 46 std::vector<std::string>::iterator end); 47 48 /** 49 * Initialize this LocaleValue from a ResTable_config. 50 */ 51 void initFromResTable(const android::ResTable_config& config); 52 53 /** 54 * Set the locale in a ResTable_config from this LocaleValue. 55 */ 56 void writeTo(android::ResTable_config* out) const; 57 58 std::string toDirName() const; 59 60 inline int compare(const LocaleValue& other) const; 61 62 inline bool operator<(const LocaleValue& o) const; 63 inline bool operator<=(const LocaleValue& o) const; 64 inline bool operator==(const LocaleValue& o) const; 65 inline bool operator!=(const LocaleValue& o) const; 66 inline bool operator>=(const LocaleValue& o) const; 67 inline bool operator>(const LocaleValue& o) const; 68 69 private: 70 void setLanguage(const char* language); 71 void setRegion(const char* language); 72 void setScript(const char* script); 73 void setVariant(const char* variant); 74 }; 75 76 // 77 // Implementation 78 // 79 LocaleValue()80LocaleValue::LocaleValue() { 81 memset(this, 0, sizeof(LocaleValue)); 82 } 83 compare(const LocaleValue & other)84int LocaleValue::compare(const LocaleValue& other) const { 85 return memcmp(this, &other, sizeof(LocaleValue)); 86 } 87 88 bool LocaleValue::operator<(const LocaleValue& o) const { 89 return compare(o) < 0; 90 } 91 92 bool LocaleValue::operator<=(const LocaleValue& o) const { 93 return compare(o) <= 0; 94 } 95 96 bool LocaleValue::operator==(const LocaleValue& o) const { 97 return compare(o) == 0; 98 } 99 100 bool LocaleValue::operator!=(const LocaleValue& o) const { 101 return compare(o) != 0; 102 } 103 104 bool LocaleValue::operator>=(const LocaleValue& o) const { 105 return compare(o) >= 0; 106 } 107 108 bool LocaleValue::operator>(const LocaleValue& o) const { 109 return compare(o) > 0; 110 } 111 112 } // namespace aapt 113 114 #endif // AAPT_LOCALE_VALUE_H 115