diff options
Diffstat (limited to 'CAN-binder/libs/ini-config')
| -rw-r--r-- | CAN-binder/libs/ini-config/ini-config.cpp | 93 | ||||
| -rw-r--r-- | CAN-binder/libs/ini-config/ini-config.hpp | 61 |
2 files changed, 154 insertions, 0 deletions
diff --git a/CAN-binder/libs/ini-config/ini-config.cpp b/CAN-binder/libs/ini-config/ini-config.cpp new file mode 100644 index 00000000..b670e76b --- /dev/null +++ b/CAN-binder/libs/ini-config/ini-config.cpp @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2015, 2016 ,2017 "IoT.bzh" + * Author "Loïc Collignon" <loic.collignon@iot.bzh> + * + * 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 "ini-config.hpp" + +bool starts_with(const std::string& text, const std::string& token) +{ + if(text.length() < token.length()) return false; + return (text.compare(0, token.length(), token) == 0); +} + +void ini_config::read_file(const std::string& filename) +{ + std::ifstream f(filename); + if (f) + { + std::regex r_section("^\\s*\\[([^\\]]+)\\]\\s*(#.*)?$"); + std::regex r_key("^\\s*([^\\s]+)\\s*=\\s*\"([^\"]+)\"\\s*(#.*)?$"); + std::string current_section; + std::string line; + while (std::getline(f, line)) + { + std::smatch mr; + + switch (qualify(line)) + { + case line_type::section: + if (std::regex_match(line, mr, r_section) && mr.size() >= 2 && mr[1].matched) + { + current_section = mr[1].str(); + } + break; + case line_type::key: + if(std::regex_match(line, mr, r_key) && mr.size() >= 2 && mr[1].matched) + { + std::string key = current_section + '/' + mr[1].str(); + config_[key] = (mr.size() >= 3 && mr[2].matched) ? mr[2].str() : ""; + } + break; + } + } + } +} + +std::map<std::string, std::string> ini_config::get_keys(const std::string& section) +{ + std::map<std::string, std::string> ret; + + std::string prefix = section + '/'; + for(auto i = config_.begin(); + i != config_.end(); + ++i) + { + if (starts_with(i->first, prefix)) + { + ret[i->first] = i->second; + } + } + return ret; +} + +std::string ini_config::get_value(const std::string& section, const std::string& key) +{ + return config_[section + '/' + key]; +} + +ini_config::line_type ini_config::qualify(std::string& line) +{ + if (line.size()) + { + for (std::string::value_type c : line) + { + if (c == '#') return line_type::ignore; + if (c == '[') return line_type::section; + if (!std::isspace(c, std::locale("C"))) return line_type::key; + } + } + return line_type::ignore; +}
\ No newline at end of file diff --git a/CAN-binder/libs/ini-config/ini-config.hpp b/CAN-binder/libs/ini-config/ini-config.hpp new file mode 100644 index 00000000..3a154547 --- /dev/null +++ b/CAN-binder/libs/ini-config/ini-config.hpp @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015, 2016 ,2017 "IoT.bzh" + * Author "Loïc Collignon" <loic.collignon@iot.bzh> + * + * 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. + */ + +#ifndef INI_CONFIG_HPP +#define INI_CONFIG_HPP + +#include <string> +#include <fstream> +#include <map> +#include <regex> +#include <algorithm> + +// Représente un fichier de configuration. +class ini_config +{ +public: + using map = std::map<std::string, std::string>; + + void read_file(const std::string& filename); + + map get_keys(const std::string& section); + std::string get_value(const std::string& section, const std::string& key); + + typename map::size_type size() const { return config_.size(); } + typename map::iterator begin() { return config_.begin(); } + typename map::iterator end() { return config_.end(); } + typename map::const_iterator cbegin() const { return config_.cbegin(); } + typename map::const_iterator cend() const { return config_.cend(); } + typename map::reverse_iterator rbegin() { return config_.rbegin(); } + typename map::reverse_iterator rend() { return config_.rend(); } + typename map::const_reverse_iterator crbegin() const { return config_.crbegin(); } + typename map::const_reverse_iterator crend() const { return config_.crend(); } + +private: + map config_; + + enum class line_type + { + ignore = 0, + section = 1, + key = 2 + }; + + line_type qualify(std::string& line); +}; + +#endif // INI_CONFIG_HPP |