1 // Copyright (C) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ICING_PORTABLE_PLATFORM_H_ 16 #define ICING_PORTABLE_PLATFORM_H_ 17 18 #include "unicode/uconfig.h" // IWYU pragma: keep 19 // clang-format: do not reorder the above include. 20 21 #include "icing/expand/stemming/stemmer-factory.h" 22 #include "unicode/uvernum.h" 23 24 namespace icing { 25 namespace lib { 26 27 // Returns true if the test was built with the CFStringTokenizer as the 28 // implementation of LanguageSegmenter. IsCfStringTokenization()29inline bool IsCfStringTokenization() { 30 #if defined(__APPLE__) && !defined(ICING_IOS_ICU4C_SEGMENTATION) 31 return true; 32 #endif // defined(__APPLE__) && !defined(ICING_IOS_ICU4C_SEGMENTATION) 33 return false; 34 } 35 IsReverseJniTokenization()36inline bool IsReverseJniTokenization() { 37 #ifdef ICING_REVERSE_JNI_SEGMENTATION 38 return true; 39 #endif // ICING_REVERSE_JNI_SEGMENTATION 40 return false; 41 } 42 IsIcuTokenization()43inline bool IsIcuTokenization() { 44 return !IsReverseJniTokenization() && !IsCfStringTokenization(); 45 } 46 47 // ICU and Reverse JNI tokenization are enabled. IsIcuWithReverseTokenization()48inline bool IsIcuWithReverseTokenization() { 49 return IsReverseJniTokenization() && !IsCfStringTokenization(); 50 } 51 GetIcuTokenizationVersion()52inline int GetIcuTokenizationVersion() { 53 return (IsIcuTokenization() || IsIcuWithReverseTokenization()) 54 ? U_ICU_VERSION_MAJOR_NUM : 0; 55 } 56 // Indicates whether stemming is enabled. 57 // 58 // This is false if stemmer_factory is compiled with the none-stemmer 59 // implementation and true for the snowball-stemmer implementation. IsStemmingEnabled()60inline bool IsStemmingEnabled() { return stemmer_factory::IsStemmingEnabled(); } 61 62 // Whether we're running on android_x86 IsAndroidX86()63inline bool IsAndroidX86() { 64 #if defined(__ANDROID__) && defined(__i386__) 65 return true; 66 #endif // defined(__ANDROID__) && defined(__i386__) 67 return false; 68 } 69 70 // Whether we're running on android_armeabi-v7a IsAndroidArm()71inline bool IsAndroidArm() { 72 #if defined(__ANDROID__) && defined(__arm__) 73 return true; 74 #endif // defined(__ANDROID__) && defined(__arm__) 75 return false; 76 } 77 78 // Whether the running test is an iOS test. IsIosPlatform()79inline bool IsIosPlatform() { 80 #if defined(__APPLE__) 81 return true; 82 #endif // defined(__APPLE__) 83 return false; 84 } 85 86 // TODO(b/259129263): verify the flag works for different platforms. 87 #if defined(__arm__) || defined(__i386__) 88 #define ICING_ARCH_BIT_32 89 #elif defined(__aarch64__) || defined(__x86_64__) 90 #define ICING_ARCH_BIT_64 91 #else 92 #define ICING_ARCH_BIT_UNKNOWN 93 #endif 94 95 enum Architecture { 96 UNKNOWN, 97 BIT_32, 98 BIT_64, 99 }; 100 101 // Returns which architecture we're running on. 102 // 103 // Architecture macros pulled from 104 // https://developer.android.com/ndk/guides/cpu-features GetArchitecture()105inline Architecture GetArchitecture() { 106 #if defined(ICING_ARCH_BIT_32) 107 return BIT_32; 108 #elif defined(ICING_ARCH_BIT_64) 109 return BIT_64; 110 #else 111 return UNKNOWN; 112 #endif 113 } 114 115 } // namespace lib 116 } // namespace icing 117 118 #endif // ICING_PORTABLE_PLATFORM_H_ 119