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 24namespace android { 25namespace uirenderer { 26 27class unordered_string_set : public std::unordered_set<std::string> { 28public: 29 bool has(const char* str) { 30 return find(std::string(str)) != end(); 31 } 32}; 33 34class StringUtils { 35public: 36 static unordered_string_set split(const char* spacedList); 37}; 38 39struct 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