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/*
* Copyright 2009 Free Software Foundation, Inc.
*
* This software is distributed under the terms of the GNU Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
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 OPENBTSCLI_H
#define OPENBTSCLI_H
#include <string>
#include <map>
#include <iostream>
namespace CommandLine {
/** A table for matching strings to actions. */
typedef std::map<std::string,int (*)(int,char**,std::ostream&,std::istream&)> ParseTable;
/** The help table. */
typedef std::map<std::string,std::string> HelpTable;
class Parser {
private:
ParseTable mParseTable;
HelpTable mHelpTable;
static const int mMaxArgs = 10;
public:
Parser();
/** Process a command line. */
void process(const char* line, std::ostream& os, std::istream& is) const;
/** Add a command to the parsing table. */
void addCommand(const char* name, int (*func)(int,char**,std::ostream&,std::istream&), const char* helpString)
{ mParseTable[name] = func; mHelpTable[name]=helpString; }
ParseTable::const_iterator begin() const { return mParseTable.begin(); }
ParseTable::const_iterator end() const { return mParseTable.end(); }
/** Return a help string. */
const char *help(const std::string& cmd) const;
private:
/** Parse and execute a command string. */
int execute(char* line, std::ostream& os, std::istream& is) const;
};
} // CLI
#endif
// vim: ts=4 sw=4
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