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129 lines
2.9 KiB
C++
129 lines
2.9 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srsenb/hdr/parser.h"
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#include <iostream>
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namespace srsenb {
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using namespace libconfig;
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int parser::parse_section(std::string filename, parser::section* s)
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{
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parser p(filename);
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p.add_section(s);
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return p.parse();
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}
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parser::parser(std::string filename_)
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{
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filename = filename_;
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}
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void parser::add_section(parser::section* s)
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{
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sections.push_back(s);
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}
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int parser::parse()
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{
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// open file
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Config cfg;
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try {
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cfg.readFile(filename.c_str());
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} catch (const FileIOException& fioex) {
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std::cerr << "I/O error while reading file: " << filename << std::endl;
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return (-1);
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} catch (const ParseException& pex) {
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std::cerr << "Parse error at " << pex.getFile() << ":" << pex.getLine() << " - " << pex.getError() << std::endl;
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return (-1);
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}
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for (auto s : sections) {
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if (s->parse(cfg.getRoot())) {
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return -1;
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}
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}
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return 0;
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}
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parser::section::section(std::string name_)
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{
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name = std::move(name_);
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enabled_value = nullptr;
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}
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// Fields are allocated dynamically, free all fields added to the section
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parser::section::~section()
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{
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for (auto& field : fields) {
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delete field;
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}
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}
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void parser::section::add_field(field_itf* f)
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{
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fields.push_back(f);
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}
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void parser::section::add_subsection(parser::section* s)
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{
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sub_sections.push_back(s);
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}
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void parser::section::set_optional(bool* enabled_value_)
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{
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enabled_value = enabled_value_;
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}
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int parser::section::parse(Setting& root)
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{
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try {
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for (auto f : fields) {
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if (f->parse(root[name.c_str()])) {
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fprintf(stderr, "Error parsing field %s in section %s\n", f->get_name(), name.c_str());
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return -1;
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}
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}
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for (auto s : sub_sections) {
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if (s->parse(root[name.c_str()])) {
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fprintf(stderr, "Error parsing section %s\n", name.c_str());
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return -1;
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}
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}
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if (enabled_value) {
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*enabled_value = true;
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}
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} catch (const SettingNotFoundException& ex) {
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if (enabled_value) {
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*enabled_value = false;
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return 0;
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} else {
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std::cerr << "Error section " << name.c_str() << " not found." << std::endl;
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return -1;
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}
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}
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return 0;
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}
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} // namespace srsenb
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