X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/a500fb72810060e52d87ad2c2e4691531f0bcc5a..479b8853c2ab18c98926a9369a03888021e9b986:/projects/sgconf/options.cpp diff --git a/projects/sgconf/options.cpp b/projects/sgconf/options.cpp index e431bcb0..06378d1c 100644 --- a/projects/sgconf/options.cpp +++ b/projects/sgconf/options.cpp @@ -39,26 +39,26 @@ 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)) + 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) + ++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()); + 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))); + (obj->*callback)(Trim(line.substr(0, pos)), Trim(line.substr(pos + 1, line.length() - pos - 1))); } } @@ -72,184 +72,157 @@ using SGCONF::PARSER_STATE; OPTION::OPTION(const std::string & shortName, const std::string & longName, - ACTION * action, + std::unique_ptr action, const std::string & description) : m_shortName(shortName), m_longName(longName), - m_action(action), + m_action(std::move(action)), m_description(description) { } OPTION::OPTION(const std::string & longName, - ACTION * action, + std::unique_ptr action, const std::string & description) : m_longName(longName), - m_action(action), + m_action(std::move(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); + 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 == NULL) + return false; -if (*arg++ != '-') - return false; + if (*arg++ != '-') + return false; -if (*arg == '-') -{ - return m_longName == arg + 1; -} + if (*arg == '-') + return m_longName == arg + 1; -return m_shortName == arg; + return m_shortName == arg; } PARSER_STATE OPTION::Parse(int argc, char ** argv, void * data) { -if (!m_action) - throw ERROR("Option is not defined."); -try + if (!m_action) + throw ERROR("Option is not defined."); + try { - return m_action->Parse(argc, argv, data); + return m_action->Parse(argc, argv, data); } -catch (const ACTION::ERROR & ex) + 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()); + 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 + if (!m_action) + throw ERROR("Option is not defined."); + try { - return m_action->ParseValue(value); + return m_action->ParseValue(value); } -catch (const ACTION::ERROR & ex) + catch (const ACTION::ERROR & ex) { - throw ERROR(m_longName + ": " + ex.what()); + throw ERROR(m_longName + ": " + ex.what()); } } OPTION_BLOCK & OPTION_BLOCK::Add(const std::string & shortName, const std::string & longName, - ACTION * action, + std::unique_ptr action, const std::string & description) { -m_options.push_back(OPTION(shortName, longName, action, description)); -return *this; + m_options.emplace_back(shortName, longName, std::move(action), description); + return *this; } OPTION_BLOCK & OPTION_BLOCK::Add(const std::string & longName, - ACTION * action, + std::unique_ptr action, const std::string & description) { -m_options.push_back(OPTION(longName, action, description)); -return *this; + m_options.emplace_back(longName, std::move(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); }); + if (m_options.empty()) + return; + if (!m_description.empty()) + std::cout << m_description << ":\n"; + for (const auto& option : m_options) + option.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) + 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; + 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; + 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); + 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