diff options
Diffstat (limited to 'brillo/strings/string_utils.cc')
-rw-r--r-- | brillo/strings/string_utils.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/brillo/strings/string_utils.cc b/brillo/strings/string_utils.cc new file mode 100644 index 0000000..8279a0e --- /dev/null +++ b/brillo/strings/string_utils.cc @@ -0,0 +1,89 @@ +// Copyright 2014 The Chromium OS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include <brillo/strings/string_utils.h> + +#include <algorithm> +#include <string.h> +#include <utility> + +#include <base/strings/string_util.h> +#include <base/strings/stringprintf.h> + +namespace brillo { +namespace string_utils { + +std::vector<std::string> Split(const std::string& str, + const std::string& delimiter, + bool trim_whitespaces, + bool purge_empty_strings) { + std::vector<std::string> tokens; + if (str.empty()) + return tokens; + + for (std::string::size_type i = 0;;) { + const std::string::size_type pos = + delimiter.empty() ? (i + 1) : str.find(delimiter, i); + std::string tmp_str{str.substr(i, pos - i)}; + if (trim_whitespaces) + base::TrimWhitespaceASCII(tmp_str, base::TRIM_ALL, &tmp_str); + if (!tmp_str.empty() || !purge_empty_strings) + tokens.emplace_back(std::move(tmp_str)); + if (pos >= str.size()) + break; + i = pos + delimiter.size(); + } + return tokens; +} + +bool SplitAtFirst(const std::string& str, + const std::string& delimiter, + std::string* left_part, + std::string* right_part, + bool trim_whitespaces) { + bool delimiter_found = false; + std::string::size_type pos = str.find(delimiter); + if (pos != std::string::npos) { + *left_part = str.substr(0, pos); + *right_part = str.substr(pos + delimiter.size()); + delimiter_found = true; + } else { + *left_part = str; + right_part->clear(); + } + + if (trim_whitespaces) { + base::TrimWhitespaceASCII(*left_part, base::TRIM_ALL, left_part); + base::TrimWhitespaceASCII(*right_part, base::TRIM_ALL, right_part); + } + + return delimiter_found; +} + +std::pair<std::string, std::string> SplitAtFirst(const std::string& str, + const std::string& delimiter, + bool trim_whitespaces) { + std::pair<std::string, std::string> pair; + SplitAtFirst(str, delimiter, &pair.first, &pair.second, trim_whitespaces); + return pair; +} + +std::string ToString(double value) { + return base::StringPrintf("%g", value); +} + +std::string ToString(bool value) { + return value ? "true" : "false"; +} + +std::string GetBytesAsString(const std::vector<uint8_t>& buffer) { + return std::string(buffer.begin(), buffer.end()); +} + +std::vector<uint8_t> GetStringAsBytes(const std::string& str) { + return std::vector<uint8_t>(str.begin(), str.end()); +} + +} // namespace string_utils +} // namespace brillo |