1 // Copyright 2014 The Chromium OS Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <brillo/strings/string_utils.h>
6
7 #include <algorithm>
8 #include <string.h>
9 #include <utility>
10
11 #include <base/strings/string_util.h>
12 #include <base/strings/stringprintf.h>
13
14 namespace brillo {
15 namespace string_utils {
16
Split(const std::string & str,const std::string & delimiter,bool trim_whitespaces,bool purge_empty_strings)17 std::vector<std::string> Split(const std::string& str,
18 const std::string& delimiter,
19 bool trim_whitespaces,
20 bool purge_empty_strings) {
21 std::vector<std::string> tokens;
22 if (str.empty())
23 return tokens;
24
25 for (std::string::size_type i = 0;;) {
26 const std::string::size_type pos =
27 delimiter.empty() ? (i + 1) : str.find(delimiter, i);
28 std::string tmp_str{str.substr(i, pos - i)};
29 if (trim_whitespaces)
30 base::TrimWhitespaceASCII(tmp_str, base::TRIM_ALL, &tmp_str);
31 if (!tmp_str.empty() || !purge_empty_strings)
32 tokens.emplace_back(std::move(tmp_str));
33 if (pos >= str.size())
34 break;
35 i = pos + delimiter.size();
36 }
37 return tokens;
38 }
39
SplitAtFirst(const std::string & str,const std::string & delimiter,std::string * left_part,std::string * right_part,bool trim_whitespaces)40 bool SplitAtFirst(const std::string& str,
41 const std::string& delimiter,
42 std::string* left_part,
43 std::string* right_part,
44 bool trim_whitespaces) {
45 bool delimiter_found = false;
46 std::string::size_type pos = str.find(delimiter);
47 if (pos != std::string::npos) {
48 *left_part = str.substr(0, pos);
49 *right_part = str.substr(pos + delimiter.size());
50 delimiter_found = true;
51 } else {
52 *left_part = str;
53 right_part->clear();
54 }
55
56 if (trim_whitespaces) {
57 base::TrimWhitespaceASCII(*left_part, base::TRIM_ALL, left_part);
58 base::TrimWhitespaceASCII(*right_part, base::TRIM_ALL, right_part);
59 }
60
61 return delimiter_found;
62 }
63
SplitAtFirst(const std::string & str,const std::string & delimiter,bool trim_whitespaces)64 std::pair<std::string, std::string> SplitAtFirst(const std::string& str,
65 const std::string& delimiter,
66 bool trim_whitespaces) {
67 std::pair<std::string, std::string> pair;
68 SplitAtFirst(str, delimiter, &pair.first, &pair.second, trim_whitespaces);
69 return pair;
70 }
71
ToString(double value)72 std::string ToString(double value) {
73 return base::StringPrintf("%g", value);
74 }
75
ToString(bool value)76 std::string ToString(bool value) {
77 return value ? "true" : "false";
78 }
79
GetBytesAsString(const std::vector<uint8_t> & buffer)80 std::string GetBytesAsString(const std::vector<uint8_t>& buffer) {
81 return std::string(buffer.begin(), buffer.end());
82 }
83
GetStringAsBytes(const std::string & str)84 std::vector<uint8_t> GetStringAsBytes(const std::string& str) {
85 return std::vector<uint8_t>(str.begin(), str.end());
86 }
87
88 } // namespace string_utils
89 } // namespace brillo
90