mirror of
git://git.savannah.nongnu.org/eliot.git
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3c7a84d543
Status: It works well, but there are still a few details to improve/fix More details about the changes: - New dependency on Arabica and Libxml2 to parse the XML - Loading the old format is still supported for this release, but won't be supported anymore in the next one - Games are now only saved in the new format - In training mode, the player is now created externally, like in the other modes - Avoid using GameIO (the one from game/) whenever possible - Do not use a FILE* argument anymore when loading a game - Throw and catch exceptions correctly when a game cannot be loaded or saved - The non-regression tests now use a new method to print the game history
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*****************************************************************************
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* Eliot
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* Copyright (C) 2008 Olivier Teulière
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* Authors: Olivier Teulière <ipkiss @@ gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#ifndef COMMAND_H_
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#define COMMAND_H_
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#include <string>
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using std::wstring;
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/**
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* This abstract class is the parent of all classes implementing the Command
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* design pattern.
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*/
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class Command
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{
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public:
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Command();
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virtual ~Command() {}
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/**
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* Execute the command. This can later be undone using the undo()
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* method.
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*
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* You are not allowed to call this method twice before calling
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* undo() first.
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*/
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void execute();
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/**
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* Undo the previous call to execute().
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*
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* You are not allowed to undo a command which is not executed yet.
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*/
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void undo();
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/**
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* Return true if the command has been executed (i.e. if it is
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* allowed to call undo()), false otherwise.
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*/
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bool isExecuted() const { return m_executed; }
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/**
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* Mark the command as auto-executable, which means that it will
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* be automatically executed if the commands history is cleared
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* just before this command.
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* Auto-executable commands correspond to commands for AI players,
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* for which the user cannot change the behaviour.
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*/
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void setAutoExecution(bool autoExec) { m_autoExecution = autoExec; }
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/// Return true if the command is auto-executable
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virtual bool isAutoExecution() const { return m_autoExecution; }
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/**
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* Description of the command, for debugging purposes
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*/
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virtual wstring toString() const = 0;
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protected:
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virtual void doExecute() = 0;
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virtual void doUndo() = 0;
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private:
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bool m_executed;
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bool m_autoExecution;
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};
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#endif
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