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 #ifndef STRING_UTILS_H 17 #define STRING_UTILS_H 18 19 #include <string> 20 #include <unordered_set> 21 #include <ostream> 22 #include <iomanip> 23 24 namespace android { 25 namespace uirenderer { 26 27 class unordered_string_set : public std::unordered_set<std::string> { 28 public: has(const char * str)29 bool has(const char* str) { 30 return find(std::string(str)) != end(); 31 } 32 }; 33 34 class StringUtils { 35 public: 36 static unordered_string_set split(const char* spacedList); 37 }; 38 39 struct SizePrinter { 40 int bytes; 41 friend std::ostream& operator<<(std::ostream& stream, const SizePrinter& d) { 42 static const char* SUFFIXES[] = {"B", "KiB", "MiB"}; 43 size_t suffix = 0; 44 double temp = d.bytes; 45 while (temp > 1024 && suffix < 2) { 46 temp /= 1024.0; 47 suffix++; 48 } 49 stream << std::fixed << std::setprecision(2) << temp << SUFFIXES[suffix]; 50 return stream; 51 } 52 }; 53 54 } /* namespace uirenderer */ 55 } /* namespace android */ 56 57 #endif /* GLUTILS_H */ 58