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/*
Copyright (C) 2001 by Jorrit Tyberghein
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <string.h>
#include "cssysdef.h"
#include "csutil/cmdhelp.h"
#include "csutil/csevent.h"
#include "csutil/snprintf.h"
#include "iutil/objreg.h"
#include "iutil/cmdline.h"
#include "iutil/config.h"
#include "iutil/eventq.h"
#include "iutil/plugin.h"
void csCommandLineHelper::Help (iConfig* config)
{
int i;
for (i = 0 ; ; i++)
{
csOptionDescription option;
if (!config->GetOptionDescription (i, &option))
break;
char opt [30], desc [80];
csVariant def;
config->GetOption (i, &def);
switch (option.type)
{
case CSVAR_BOOL:
sprintf (opt, " -[no]%s", option.name);
sprintf (desc, "%s (%s) ", option.description, def.GetBool ()
? "yes" : "no");
break;
case CSVAR_CMD:
sprintf (opt, " -%s", option.name);
strcpy (desc, option.description);
break;
case CSVAR_FLOAT:
sprintf (opt, " -%s=<val>", option.name);
sprintf (desc, "%s (%g)", option.description, def.GetFloat ());
break;
case CSVAR_LONG:
sprintf (opt, " -%s=<val>", option.name);
sprintf (desc, "%s (%ld)", option.description, def.GetLong ());
break;
case CSVAR_STRING:
sprintf (opt, " -%s=<val>", option.name);
sprintf (desc, "%s (%s)", option.description, def.GetString ()
? def.GetString () : "none");
break;
}
//@@@????
printf ("%-21s%s\n", opt, desc);
//ReportSys (CS_MSG_STDOUT, "%-21s%s\n", opt, desc);
}
}
void csCommandLineHelper::Help (iObjectRegistry* object_reg,
iCommandLineParser* cmdline)
{
if (!cmdline)
cmdline = CS_QUERY_REGISTRY (object_reg, iCommandLineParser);
else
cmdline->IncRef ();
CS_ASSERT (cmdline != NULL);
// First send a global cscmdCommandLineHelp event.
iEventQueue* evq = CS_QUERY_REGISTRY (object_reg, iEventQueue);
if (evq)
{
iEventOutlet* evout = evq->GetEventOutlet ();
evq->DecRef ();
CS_ASSERT (evout != NULL);
// We use ImmediateBroadcast here because after processing commandline
// help the application usually exits. This means there is no chance
// to actually process the event in the queue.
evout->ImmediateBroadcast (cscmdCommandLineHelp, NULL);
}
iPluginManager* plgmgr = CS_QUERY_REGISTRY (object_reg, iPluginManager);
int i;
for (i = 0; i < plgmgr->GetPluginCount (); i++)
{
iBase* plug = plgmgr->GetPlugin (i);
iConfig* config = SCF_QUERY_INTERFACE (plug, iConfig);
if (config)
{
iFactory* fact = SCF_QUERY_INTERFACE (plug, iFactory);
if (fact)
{
printf ("Options for %s:\n", fact->QueryDescription ());
fact->DecRef ();
}
else
printf ("Options for unknown plugin:\n");
Help (config);
config->DecRef ();
}
}
plgmgr->DecRef ();
cmdline->DecRef ();
//@@@???
printf (
"General options:\n"
" -help this help\n"
" -video=<s> the 3D rendering driver (opengl, software, ...)\n"
" -canvas=<s> the 2D canvas driver (asciiart, x2d, ...)\n"
" -plugin=<s> load the plugin after all others\n");
}
bool csCommandLineHelper::CheckHelp (iObjectRegistry* object_reg,
iCommandLineParser* cmdline)
{
if (!cmdline)
cmdline = CS_QUERY_REGISTRY (object_reg, iCommandLineParser);
else
cmdline->IncRef ();
CS_ASSERT (cmdline != NULL);
bool rc = cmdline->GetOption ("help") != NULL;
cmdline->DecRef ();
return rc;
}
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