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_CONFIG_DESCRIPTION_H 18 #define AAPT_CONFIG_DESCRIPTION_H 19 20 #include "StringPiece.h" 21 22 #include <androidfw/ResourceTypes.h> 23 #include <ostream> 24 25 namespace aapt { 26 27 /* 28 * Subclass of ResTable_config that adds convenient 29 * initialization and comparison methods. 30 */ 31 struct ConfigDescription : public android::ResTable_config { 32 /* 33 * Parse a string of the form 'fr-sw600dp-land' and fill in the 34 * given ResTable_config with resulting configuration parameters. 35 * 36 * The resulting configuration has the appropriate sdkVersion defined 37 * for backwards compatibility. 38 */ 39 static bool parse(const StringPiece& str, ConfigDescription* out = nullptr); 40 41 /** 42 * If the configuration uses an axis that was added after 43 * the original Android release, make sure the SDK version 44 * is set accordingly. 45 */ 46 static void applyVersionForCompatibility(ConfigDescription* config); 47 48 ConfigDescription(); 49 ConfigDescription(const android::ResTable_config& o); 50 ConfigDescription(const ConfigDescription& o); 51 ConfigDescription(ConfigDescription&& o); 52 53 ConfigDescription& operator=(const android::ResTable_config& o); 54 ConfigDescription& operator=(const ConfigDescription& o); 55 ConfigDescription& operator=(ConfigDescription&& o); 56 57 bool operator<(const ConfigDescription& o) const; 58 bool operator<=(const ConfigDescription& o) const; 59 bool operator==(const ConfigDescription& o) const; 60 bool operator!=(const ConfigDescription& o) const; 61 bool operator>=(const ConfigDescription& o) const; 62 bool operator>(const ConfigDescription& o) const; 63 }; 64 ConfigDescription()65inline ConfigDescription::ConfigDescription() { 66 memset(this, 0, sizeof(*this)); 67 size = sizeof(android::ResTable_config); 68 } 69 ConfigDescription(const android::ResTable_config & o)70inline ConfigDescription::ConfigDescription(const android::ResTable_config& o) { 71 *static_cast<android::ResTable_config*>(this) = o; 72 size = sizeof(android::ResTable_config); 73 } 74 ConfigDescription(const ConfigDescription & o)75inline ConfigDescription::ConfigDescription(const ConfigDescription& o) { 76 *static_cast<android::ResTable_config*>(this) = o; 77 } 78 ConfigDescription(ConfigDescription && o)79inline ConfigDescription::ConfigDescription(ConfigDescription&& o) { 80 *this = o; 81 } 82 83 inline ConfigDescription& ConfigDescription::operator=(const android::ResTable_config& o) { 84 *static_cast<android::ResTable_config*>(this) = o; 85 size = sizeof(android::ResTable_config); 86 return *this; 87 } 88 89 inline ConfigDescription& ConfigDescription::operator=(const ConfigDescription& o) { 90 *static_cast<android::ResTable_config*>(this) = o; 91 return *this; 92 } 93 94 inline ConfigDescription& ConfigDescription::operator=(ConfigDescription&& o) { 95 *this = o; 96 return *this; 97 } 98 99 inline bool ConfigDescription::operator<(const ConfigDescription& o) const { 100 return compare(o) < 0; 101 } 102 103 inline bool ConfigDescription::operator<=(const ConfigDescription& o) const { 104 return compare(o) <= 0; 105 } 106 107 inline bool ConfigDescription::operator==(const ConfigDescription& o) const { 108 return compare(o) == 0; 109 } 110 111 inline bool ConfigDescription::operator!=(const ConfigDescription& o) const { 112 return compare(o) != 0; 113 } 114 115 inline bool ConfigDescription::operator>=(const ConfigDescription& o) const { 116 return compare(o) >= 0; 117 } 118 119 inline bool ConfigDescription::operator>(const ConfigDescription& o) const { 120 return compare(o) > 0; 121 } 122 123 inline ::std::ostream& operator<<(::std::ostream& out, const ConfigDescription& o) { 124 return out << o.toString().string(); 125 } 126 127 } // namespace aapt 128 129 #endif // AAPT_CONFIG_DESCRIPTION_H 130