Shell.h

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/*
 * Copyright (C) 2009 Niek Linnenbank
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __BIN_SH_SHELL
#define __BIN_SH_SHELL
 
#include <Types.h>
#include <POSIXApplication.h>
#include "ShellCommand.h"
 
class Shell : public POSIXApplication
{
  public:
 
    Shell(int argc, char **argv);
 
    virtual ~Shell();
 
    virtual Result exec();
 
    ShellCommand * getCommand(const char *name);
 
    HashTable<String, ShellCommand *> & getCommands();
 
    void registerCommand(ShellCommand *command);
 
    int executeInput(const Size argc, const char **argv, const bool background);
 
    int executeInput(char *cmdline);
 
  private:
 
    Result runInteractive();
 
    char * getInput() const;
 
    void prompt() const;
 
    Size parse(char *cmdline, char **argv, Size maxArgv, bool *background);
 
  private:
 
    HashTable<String, ShellCommand *> m_commands;
};
 
#endif /* __BIN_SH_SHELL */