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