Mercurial > irccd
view irccdctl/alias.hpp @ 448:9be4f8a5cf1a
Irccdctl: implement rule-list
author | David Demelier <markand@malikania.fr> |
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date | Wed, 05 Jul 2017 18:20:26 +0200 |
parents | c6fbb6e0e06d |
children | a88796ed040a |
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/* * alias.hpp -- create irccdctl aliases * * Copyright (c) 2013-2017 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef IRCCD_ALIAS_HPP #define IRCCD_ALIAS_HPP /** * \file alias.hpp * \brief Create irccdctl aliases. */ #include <ostream> #include <string> #include <vector> #include "sysconfig.hpp" namespace irccd { /** * \brief Describe an alias argument. * * When the user specify arguments, it can precise an applied argument or a * placeholder that will be substituted during command line invocation. * * Placeholders are placed using %n where n is an integer starting from 0. */ class AliasArg { private: std::string m_value; bool m_isPlaceholder; public: /** * Construct an argument. * * \pre value must not be empty * \param value the value */ IRCCD_EXPORT AliasArg(std::string value); /** * Check if the argument is a placeholder. * * \return true if the argument is a placeholder */ inline bool isPlaceholder() const noexcept { return m_isPlaceholder; } /** * Get the placeholder index (e.g %0 returns 0) * * \pre isPlaceholder() must return true * \return the position */ IRCCD_EXPORT unsigned index() const noexcept; /** * Get the real value. * * \pre isPlaceholder() must return false * \return the value */ IRCCD_EXPORT const std::string &value() const noexcept; /** * Output the alias to the stream. * * \param out the output stream * \return out */ IRCCD_EXPORT friend std::ostream &operator<<(std::ostream &out, const AliasArg &); }; /** * \brief Describe a user-provided alias command. * * An alias command is just a command with a set of applied or placeholders * arguments. */ class AliasCommand { private: std::string m_command; std::vector<AliasArg> m_args; public: /** * Create an alias command. * * \param command the command * \param args the arguments */ inline AliasCommand(std::string command, std::vector<AliasArg> args = {}) noexcept : m_command(std::move(command)) , m_args(std::move(args)) { } /** * Get the command to execute. * * \return the command name */ inline const std::string &command() const noexcept { return m_command; } /** * Get the arguments. * * \return the arguments */ inline const std::vector<AliasArg> &args() const noexcept { return m_args; } }; /** * \brief A set of commands to execute with their arguments. * * An alias is a composition of AliasCommand, typically, the user is able to set * an alias that execute a list of specified commands in order they are defined. */ class Alias : public std::vector<AliasCommand> { private: std::string m_name; public: /** * Create an alias. * * \param name the alias name */ inline Alias(std::string name) noexcept : m_name(std::move(name)) { } /** * Get the alias name. * * \return the name */ inline const std::string &name() const noexcept { return m_name; } }; } // !irccd #endif // !IRCCD_ALIAS_HPP