115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
//
|
|
// Copyright (C) 2001 Graeme Walker <graeme_walker@users.sourceforge.net>
|
|
//
|
|
// 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 2 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, write to the Free Software
|
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
// ===
|
|
//
|
|
// garg.h
|
|
//
|
|
|
|
#ifndef G_ARG_H
|
|
#define G_ARG_H
|
|
|
|
#include "gdef.h"
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
namespace G
|
|
{
|
|
class Arg ;
|
|
} ;
|
|
|
|
// Class: G::Arg
|
|
// Description: A command line parser class.
|
|
//
|
|
// Also does command line splitting for Windows:
|
|
// the single command line string is split into
|
|
// an argv[] array, including argv[0].
|
|
//
|
|
class G::Arg
|
|
{
|
|
public:
|
|
Arg( int argc , char *argv[] ) ;
|
|
// Constructor taking argc/argv.
|
|
|
|
Arg() ;
|
|
// Default constructor for Windows.
|
|
// Initialise (once) with parse().
|
|
|
|
void parse( HINSTANCE hinstance , const std::string & command_line ) ;
|
|
// Windows only.
|
|
//
|
|
// Parses the given command line, splitting
|
|
// it up into an array of tokens.
|
|
// The program name is automatically
|
|
// added as the first token (cf. argv[0]).
|
|
|
|
~Arg() ;
|
|
// Destructor.
|
|
|
|
size_t c() const ;
|
|
// Returns the number of tokens in the
|
|
// command line, including the program
|
|
// name.
|
|
|
|
std::string v( size_t i ) const ;
|
|
// Returns the i'th argument.
|
|
// Precondition: i < c()
|
|
|
|
std::string prefix() const ;
|
|
// Returns the basename of v(0) without
|
|
// any extension.
|
|
|
|
bool contains( const std::string & sw , size_t sw_args = 0U ) const ;
|
|
// Returns true if the command line
|
|
// contains the given switch with enough
|
|
// command line arguments left to satisfy
|
|
// the given number of switch arguments.
|
|
|
|
size_t index( const std::string & sw , size_t sw_args = 0U ) const ;
|
|
// Returns the index of the given switch.
|
|
// Returns zero if not present.
|
|
|
|
void remove( const std::string & sw , size_t sw_args = 0U ) ;
|
|
// Removes the given switch and its
|
|
// arguments.
|
|
//
|
|
// Precondition: contains()
|
|
|
|
void removeAt( size_t sw_index , size_t sw_args = 0U ) ;
|
|
// Removes the given argument and the
|
|
// following <sw_args> ones.
|
|
|
|
Arg & operator=( const Arg & ) ;
|
|
// Assignment operator.
|
|
|
|
Arg( const Arg & ) ;
|
|
// Copy constructor.
|
|
|
|
private:
|
|
static std::string moduleName( HINSTANCE h ) ;
|
|
bool find( const std::string & sw , size_t sw_args , size_t *index_p ) const ;
|
|
void setPrefix() ;
|
|
|
|
private:
|
|
typedef std::vector<std::string GAllocator(std::string) > Array ;
|
|
Array m_array ;
|
|
std::string m_prefix ;
|
|
} ;
|
|
|
|
#endif
|