X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/4271ab433cd55bbd2612292bcf39e4dc3d7274f1..0907aa4037b12b6b88ee24495d4577a064d4f8db:/sgconf/options.cpp diff --git a/sgconf/options.cpp b/sgconf/options.cpp deleted file mode 100644 index e431bcb0..00000000 --- a/sgconf/options.cpp +++ /dev/null @@ -1,255 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * Author : Maxim Mamontov - */ - -#include "options.h" - -#include "action.h" -#include "parser_state.h" - -#include "stg/common.h" - -#include -#include -#include -#include -#include - -#include - -namespace -{ - -template -void ReadConfigFile(const std::string & filePath, void (C::* callback)(const std::string&, const std::string&), C * obj) -{ -std::ifstream stream(filePath.c_str()); -std::string line; -size_t num = 0; -while (std::getline(stream, line)) - { - ++num; - line = Trim(line); - std::string::size_type pos = line.find_first_of('#'); - if (pos != std::string::npos) - line = line.substr(0, pos); - if (line.empty()) - continue; - pos = line.find_first_of('='); - if (pos == std::string::npos) - { - std::ostringstream error; - error << "Bad file format, missing '=' in '" << filePath << ":" << num << "'."; - throw std::runtime_error(error.str().c_str()); - } - (obj->*callback)(Trim(line.substr(0, pos)), Trim(line.substr(pos + 1, line.length() - pos - 1))); - } -} - -} // namespace anonymous - -using SGCONF::OPTION; -using SGCONF::OPTION_BLOCK; -using SGCONF::OPTION_BLOCKS; -using SGCONF::ACTION; -using SGCONF::PARSER_STATE; - -OPTION::OPTION(const std::string & shortName, - const std::string & longName, - ACTION * action, - const std::string & description) - : m_shortName(shortName), - m_longName(longName), - m_action(action), - m_description(description) -{ -} - -OPTION::OPTION(const std::string & longName, - ACTION * action, - const std::string & description) - : m_longName(longName), - m_action(action), - m_description(description) -{ -} - -OPTION::OPTION(const OPTION & rhs) - : m_shortName(rhs.m_shortName), - m_longName(rhs.m_longName), - m_action(rhs.m_action->Clone()), - m_description(rhs.m_description) -{ -} - -OPTION::~OPTION() -{ -delete m_action; -} - -OPTION & OPTION::operator=(const OPTION & rhs) -{ -m_shortName = rhs.m_shortName; -m_longName = rhs.m_longName; -m_action = rhs.m_action->Clone(); -m_description = rhs.m_description; -return *this; -} - -void OPTION::Help(size_t level) const -{ -if (!m_action) - throw ERROR("Option is not defined."); -std::string indent(level, '\t'); -std::cout << indent; -if (!m_shortName.empty()) - std::cout << "-" << m_shortName << ", "; -std::cout << "--" << m_longName << " " << m_action->ParamDescription() - << "\t" << m_description << m_action->DefaultDescription() << "\n"; -m_action->Suboptions().Help(level); -} - -bool OPTION::Check(const char * arg) const -{ -if (arg == NULL) - return false; - -if (*arg++ != '-') - return false; - -if (*arg == '-') -{ - return m_longName == arg + 1; -} - -return m_shortName == arg; -} - -PARSER_STATE OPTION::Parse(int argc, char ** argv, void * data) -{ -if (!m_action) - throw ERROR("Option is not defined."); -try - { - return m_action->Parse(argc, argv, data); - } -catch (const ACTION::ERROR & ex) - { - if (m_longName.empty()) - throw ERROR("-" + m_shortName + ": " + ex.what()); - else - throw m_shortName.empty() ? ERROR("--" + m_longName + ": " + ex.what()) - : ERROR("--" + m_longName + ", -" + m_shortName + ": " + ex.what()); - } -} - -void OPTION::ParseValue(const std::string & value) -{ -if (!m_action) - throw ERROR("Option is not defined."); -try - { - return m_action->ParseValue(value); - } -catch (const ACTION::ERROR & ex) - { - throw ERROR(m_longName + ": " + ex.what()); - } -} - -OPTION_BLOCK & OPTION_BLOCK::Add(const std::string & shortName, - const std::string & longName, - ACTION * action, - const std::string & description) -{ -m_options.push_back(OPTION(shortName, longName, action, description)); -return *this; -} - -OPTION_BLOCK & OPTION_BLOCK::Add(const std::string & longName, - ACTION * action, - const std::string & description) -{ -m_options.push_back(OPTION(longName, action, description)); -return *this; -} - -void OPTION_BLOCK::Help(size_t level) const -{ -if (m_options.empty()) - return; -if (!m_description.empty()) - std::cout << m_description << ":\n"; -std::for_each(m_options.begin(), - m_options.end(), - [&level](const auto& opt){ opt.Help(level + 1); }); -} - -PARSER_STATE OPTION_BLOCK::Parse(int argc, char ** argv, void * data) -{ -PARSER_STATE state(false, argc, argv); -if (state.argc == 0) - return state; -while (state.argc > 0 && !state.stop) - { - const auto it = std::find_if(m_options.begin(), m_options.end(), [&state](const auto& opt){ return opt.Check(*state.argv); }); - if (it != m_options.end()) - state = it->Parse(--state.argc, ++state.argv, data); - else - break; - } -return state; -} - -void OPTION_BLOCK::ParseFile(const std::string & filePath) -{ -if (access(filePath.c_str(), R_OK)) - throw ERROR("File '" + filePath + "' does not exists."); -ReadConfigFile(filePath, &OPTION_BLOCK::OptionCallback, this); -} - -void OPTION_BLOCK::OptionCallback(const std::string & key, const std::string & value) -{ -for (std::vector