diff options
Diffstat (limited to 'init/init_parser.cpp')
-rw-r--r-- | init/init_parser.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/init/init_parser.cpp b/init/init_parser.cpp deleted file mode 100644 index 9f7089bcd..000000000 --- a/init/init_parser.cpp +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "init_parser.h" - -#include <dirent.h> - -#include <android-base/chrono_utils.h> -#include <android-base/logging.h> -#include <android-base/stringprintf.h> -#include <android-base/strings.h> - -#include "parser.h" -#include "util.h" - -namespace android { -namespace init { - -Parser::Parser() { -} - -Parser& Parser::GetInstance() { - static Parser instance; - return instance; -} - -void Parser::AddSectionParser(const std::string& name, - std::unique_ptr<SectionParser> parser) { - section_parsers_[name] = std::move(parser); -} - -void Parser::AddSingleLineParser(const std::string& prefix, LineCallback callback) { - line_callbacks_.emplace_back(prefix, callback); -} - -void Parser::ParseData(const std::string& filename, const std::string& data) { - //TODO: Use a parser with const input and remove this copy - std::vector<char> data_copy(data.begin(), data.end()); - data_copy.push_back('\0'); - - parse_state state; - state.line = 0; - state.ptr = &data_copy[0]; - state.nexttoken = 0; - - SectionParser* section_parser = nullptr; - std::vector<std::string> args; - - for (;;) { - switch (next_token(&state)) { - case T_EOF: - if (section_parser) { - section_parser->EndSection(); - } - return; - case T_NEWLINE: - state.line++; - if (args.empty()) { - break; - } - // If we have a line matching a prefix we recognize, call its callback and unset any - // current section parsers. This is meant for /sys/ and /dev/ line entries for uevent. - for (const auto& [prefix, callback] : line_callbacks_) { - if (android::base::StartsWith(args[0], prefix.c_str())) { - if (section_parser) section_parser->EndSection(); - - std::string ret_err; - if (!callback(std::move(args), &ret_err)) { - LOG(ERROR) << filename << ": " << state.line << ": " << ret_err; - } - section_parser = nullptr; - break; - } - } - if (section_parsers_.count(args[0])) { - if (section_parser) { - section_parser->EndSection(); - } - section_parser = section_parsers_[args[0]].get(); - std::string ret_err; - if (!section_parser->ParseSection(std::move(args), filename, state.line, &ret_err)) { - LOG(ERROR) << filename << ": " << state.line << ": " << ret_err; - section_parser = nullptr; - } - } else if (section_parser) { - std::string ret_err; - if (!section_parser->ParseLineSection(std::move(args), state.line, &ret_err)) { - LOG(ERROR) << filename << ": " << state.line << ": " << ret_err; - } - } - args.clear(); - break; - case T_TEXT: - args.emplace_back(state.text); - break; - } - } -} - -bool Parser::ParseConfigFile(const std::string& path) { - LOG(INFO) << "Parsing file " << path << "..."; - android::base::Timer t; - std::string data; - std::string err; - if (!ReadFile(path, &data, &err)) { - LOG(ERROR) << err; - return false; - } - - data.push_back('\n'); // TODO: fix parse_config. - ParseData(path, data); - for (const auto& [section_name, section_parser] : section_parsers_) { - section_parser->EndFile(); - } - - LOG(VERBOSE) << "(Parsing " << path << " took " << t << ".)"; - return true; -} - -bool Parser::ParseConfigDir(const std::string& path) { - LOG(INFO) << "Parsing directory " << path << "..."; - std::unique_ptr<DIR, int(*)(DIR*)> config_dir(opendir(path.c_str()), closedir); - if (!config_dir) { - PLOG(ERROR) << "Could not import directory '" << path << "'"; - return false; - } - dirent* current_file; - std::vector<std::string> files; - while ((current_file = readdir(config_dir.get()))) { - // Ignore directories and only process regular files. - if (current_file->d_type == DT_REG) { - std::string current_path = - android::base::StringPrintf("%s/%s", path.c_str(), current_file->d_name); - files.emplace_back(current_path); - } - } - // Sort first so we load files in a consistent order (bug 31996208) - std::sort(files.begin(), files.end()); - for (const auto& file : files) { - if (!ParseConfigFile(file)) { - LOG(ERROR) << "could not import file '" << file << "'"; - } - } - return true; -} - -bool Parser::ParseConfig(const std::string& path) { - if (is_dir(path.c_str())) { - return ParseConfigDir(path); - } - return ParseConfigFile(path); -} - -} // namespace init -} // namespace android |