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90 lines
2.6 KiB
90 lines
2.6 KiB
4 months ago
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// Copyright 2014 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <brillo/strings/string_utils.h>
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#include <algorithm>
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#include <string.h>
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#include <utility>
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#include <base/strings/string_util.h>
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#include <base/strings/stringprintf.h>
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namespace brillo {
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namespace string_utils {
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std::vector<std::string> Split(const std::string& str,
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const std::string& delimiter,
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bool trim_whitespaces,
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bool purge_empty_strings) {
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std::vector<std::string> tokens;
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if (str.empty())
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return tokens;
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for (std::string::size_type i = 0;;) {
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const std::string::size_type pos =
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delimiter.empty() ? (i + 1) : str.find(delimiter, i);
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std::string tmp_str{str.substr(i, pos - i)};
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if (trim_whitespaces)
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base::TrimWhitespaceASCII(tmp_str, base::TRIM_ALL, &tmp_str);
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if (!tmp_str.empty() || !purge_empty_strings)
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tokens.emplace_back(std::move(tmp_str));
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if (pos >= str.size())
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break;
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i = pos + delimiter.size();
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}
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return tokens;
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}
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bool SplitAtFirst(const std::string& str,
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const std::string& delimiter,
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std::string* left_part,
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std::string* right_part,
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bool trim_whitespaces) {
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bool delimiter_found = false;
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std::string::size_type pos = str.find(delimiter);
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if (pos != std::string::npos) {
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*left_part = str.substr(0, pos);
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*right_part = str.substr(pos + delimiter.size());
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delimiter_found = true;
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} else {
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*left_part = str;
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right_part->clear();
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}
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if (trim_whitespaces) {
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base::TrimWhitespaceASCII(*left_part, base::TRIM_ALL, left_part);
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base::TrimWhitespaceASCII(*right_part, base::TRIM_ALL, right_part);
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}
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return delimiter_found;
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}
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std::pair<std::string, std::string> SplitAtFirst(const std::string& str,
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const std::string& delimiter,
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bool trim_whitespaces) {
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std::pair<std::string, std::string> pair;
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SplitAtFirst(str, delimiter, &pair.first, &pair.second, trim_whitespaces);
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return pair;
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}
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std::string ToString(double value) {
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return base::StringPrintf("%g", value);
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}
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std::string ToString(bool value) {
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return value ? "true" : "false";
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}
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std::string GetBytesAsString(const std::vector<uint8_t>& buffer) {
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return std::string(buffer.begin(), buffer.end());
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}
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std::vector<uint8_t> GetStringAsBytes(const std::string& str) {
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return std::vector<uint8_t>(str.begin(), str.end());
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}
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} // namespace string_utils
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} // namespace brillo
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