cc9c82d2c5
Bug: 280683256 Test: OUT_DIR=out prebuilts/clang-tools/build-prebuilts.sh Change-Id: Id1e6449e0792f3937298e0f47c6c0a9f9f8fd08e
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
// Copyright (C) 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "utils/string_utils.h"
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#include <llvm/ADT/Optional.h>
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#include <algorithm>
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#include <cctype>
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#include <cstdlib>
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#include <string>
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#include <utility>
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namespace header_checker {
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namespace utils {
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std::string_view Trim(std::string_view s) {
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std::string::size_type start = s.find_first_not_of(" \t\r\n");
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if (start == std::string::npos) {
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return "";
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}
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std::string::size_type end = s.find_last_not_of(" \t\r\n");
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if (end == std::string::npos) {
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return s.substr(start);
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}
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return s.substr(start, end - start + 1);
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}
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bool StartsWith(std::string_view s, std::string_view prefix) {
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return s.size() >= prefix.size() && s.compare(0, prefix.size(), prefix) == 0;
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}
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bool EndsWith(std::string_view s, std::string_view suffix) {
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return (s.size() >= suffix.size() &&
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s.compare(s.size() - suffix.size(), suffix.size(), suffix) == 0);
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}
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std::vector<std::string_view> Split(std::string_view s,
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std::string_view delim_chars) {
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std::vector<std::string_view> res;
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std::string::size_type pos = 0;
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while (true) {
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pos = s.find_first_not_of(delim_chars, pos);
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if (pos == std::string::npos) {
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break;
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}
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std::string::size_type end = s.find_first_of(delim_chars, pos + 1);
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if (end == std::string::npos) {
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res.push_back(s.substr(pos));
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break;
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}
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res.push_back(s.substr(pos, end - pos));
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pos = end + 1;
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}
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return res;
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}
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llvm::Optional<int> ParseInt(const std::string &s) {
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const char *start = s.c_str();
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if (*start == '\0') {
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return {};
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}
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char *endptr = nullptr;
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long int res = ::strtol(start, &endptr, 10);
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if (*endptr != '\0') {
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return {};
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}
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return static_cast<int>(res);
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}
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bool ParseBool(const std::string &s) {
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std::string value(s);
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std::transform(value.begin(), value.end(), value.begin(),
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[](unsigned char c){ return std::tolower(c); }
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);
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return (value == "true" || value == "on" || value == "1");
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}
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bool IsGlobPattern(std::string_view s) {
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return s.find_first_of("*?[") != std::string::npos;
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}
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} // namespace utils
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} // namespace header_checker
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