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 "util/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 * Returns an immutable default config. 34 */ 35 static const ConfigDescription& defaultConfig(); 36 37 /* 38 * Parse a string of the form 'fr-sw600dp-land' and fill in the 39 * given ResTable_config with resulting configuration parameters. 40 * 41 * The resulting configuration has the appropriate sdkVersion defined 42 * for backwards compatibility. 43 */ 44 static bool parse(const StringPiece& str, ConfigDescription* out = nullptr); 45 46 /** 47 * If the configuration uses an axis that was added after 48 * the original Android release, make sure the SDK version 49 * is set accordingly. 50 */ 51 static void applyVersionForCompatibility(ConfigDescription* config); 52 53 ConfigDescription(); 54 ConfigDescription(const android::ResTable_config& o); 55 ConfigDescription(const ConfigDescription& o); 56 ConfigDescription(ConfigDescription&& o); 57 58 ConfigDescription& operator=(const android::ResTable_config& o); 59 ConfigDescription& operator=(const ConfigDescription& o); 60 ConfigDescription& operator=(ConfigDescription&& o); 61 62 bool operator<(const ConfigDescription& o) const; 63 bool operator<=(const ConfigDescription& o) const; 64 bool operator==(const ConfigDescription& o) const; 65 bool operator!=(const ConfigDescription& o) const; 66 bool operator>=(const ConfigDescription& o) const; 67 bool operator>(const ConfigDescription& o) const; 68 }; 69 ConfigDescription()70inline ConfigDescription::ConfigDescription() { 71 memset(this, 0, sizeof(*this)); 72 size = sizeof(android::ResTable_config); 73 } 74 ConfigDescription(const android::ResTable_config & o)75inline ConfigDescription::ConfigDescription(const android::ResTable_config& o) { 76 *static_cast<android::ResTable_config*>(this) = o; 77 size = sizeof(android::ResTable_config); 78 } 79 ConfigDescription(const ConfigDescription & o)80inline ConfigDescription::ConfigDescription(const ConfigDescription& o) { 81 *static_cast<android::ResTable_config*>(this) = o; 82 } 83 ConfigDescription(ConfigDescription && o)84inline ConfigDescription::ConfigDescription(ConfigDescription&& o) { 85 *this = o; 86 } 87 88 inline ConfigDescription& ConfigDescription::operator=(const android::ResTable_config& o) { 89 *static_cast<android::ResTable_config*>(this) = o; 90 size = sizeof(android::ResTable_config); 91 return *this; 92 } 93 94 inline ConfigDescription& ConfigDescription::operator=(const ConfigDescription& o) { 95 *static_cast<android::ResTable_config*>(this) = o; 96 return *this; 97 } 98 99 inline ConfigDescription& ConfigDescription::operator=(ConfigDescription&& o) { 100 *this = o; 101 return *this; 102 } 103 104 inline bool ConfigDescription::operator<(const ConfigDescription& o) const { 105 return compare(o) < 0; 106 } 107 108 inline bool ConfigDescription::operator<=(const ConfigDescription& o) const { 109 return compare(o) <= 0; 110 } 111 112 inline bool ConfigDescription::operator==(const ConfigDescription& o) const { 113 return compare(o) == 0; 114 } 115 116 inline bool ConfigDescription::operator!=(const ConfigDescription& o) const { 117 return compare(o) != 0; 118 } 119 120 inline bool ConfigDescription::operator>=(const ConfigDescription& o) const { 121 return compare(o) >= 0; 122 } 123 124 inline bool ConfigDescription::operator>(const ConfigDescription& o) const { 125 return compare(o) > 0; 126 } 127 128 inline ::std::ostream& operator<<(::std::ostream& out, const ConfigDescription& o) { 129 return out << o.toString().string(); 130 } 131 132 } // namespace aapt 133 134 #endif // AAPT_CONFIG_DESCRIPTION_H 135