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/*
* $Id: putshell.c,v 2.7 2002/03/29 04:13:04 bkorb Exp $
*
* This module will interpret the options set in the tOptions
* structure and print them to standard out in a fashion that
* will allow them to be interpreted by the Bourne or Korn shells.
*/
/*
* Automated Options copyright 1992-2002 Bruce Korb
*
* Automated Options is free software.
* You may 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, or (at your option) any later version.
*
* Automated Options 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 Automated Options. See the file "COPYING". If not,
* write to: The Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* As a special exception, Bruce Korb gives permission for additional
* uses of the text contained in his release of AutoOpts.
*
* The exception is that, if you link the AutoOpts library with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the AutoOpts library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by Bruce Korb under
* the name AutoOpts. If you copy code from other sources under the
* General Public License into a copy of AutoOpts, as the General Public
* License permits, the exception does not apply to the code that you add
* in this way. To avoid misleading anyone as to the status of such
* modified files, you must delete this exception notice from them.
*
* If you write modifications of your own for AutoOpts, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
#include <stdio.h>
#include <string.h>
#ifdef __STDC__
#include "autoopts.h"
/*
* Make sure embedded single quotes come out okay
*/
static void
putQuotedStr( char* pzStr )
{
if (pzStr != (char*)NULL) for (;;) {
char* pz = strchr( pzStr, '\'' );
if (pz != (char*)NULL)
*pz = NUL;
fputs( pzStr, stdout );
if (pz == (char*)NULL)
break;
fputs( "'\"'\"'", stdout );
pzStr = pz+1;
}
}
void
putBourneShell( tOptions* pOpts )
{
int optIx = 0;
tSCC zOptCtFmt[] = "OPTION_CT=%d\nexport OPTION_CT\n";
tSCC zOptNumFmt[] = "%1$s_%2$s=%3$d\nexport %1$s_%2$s\n";
tSCC zOptDisabl[] = "%1$s_%2$s=%3$s\nexport %1$s_%2$s\n";
tSCC zOptValFmt[] = "%s_%s='";
tSCC zOptEnd[] = "'\nexport %s_%s\n";
tSCC zFullOptFmt[]= "%1$s_%2$s='%3$s'\nexport %1$s_%2$s\n";
tSCC zEquiv[] = "%1$s_%2$s_MODE='%3$s'\nexport %1$s_%2$s_MODE\n";
printf( zOptCtFmt, pOpts->curOptIdx-1 );
do {
tOptDesc* pOD = pOpts->pOptDesc + optIx;
if (SKIP_OPT(pOD))
continue;
/*
* Equivalence classes are hard to deal with. Where the
* option data wind up kind of squishes around. For the purposes
* of emitting shell state, they are not recommended, but we'll
* do something. I guess we'll emit the equivalenced-to option
* at the point in time when the base option is found.
*/
if (pOD->optEquivIndex != NO_EQUIVALENT)
continue; /* equivalence to a different option */
/*
* Equivalenced to a different option. Process the current option
* as the equivalenced-to option. Keep the persistent state bits,
* but copy over the set-state bits.
*/
if (pOD->optActualIndex != optIx) {
tOptDesc* p = pOpts->pOptDesc + pOD->optActualIndex;
p->pzLastArg = pOD->pzLastArg;
p->fOptState &= OPTST_PERSISTENT;
p->fOptState |= pOD->fOptState & ~OPTST_PERSISTENT;
printf( zEquiv, pOpts->pzPROGNAME, pOD->pz_NAME, p->pz_NAME );
pOD = p;
}
if (UNUSED_OPT( pOD ))
continue;
/*
* We assume stacked arguments if the cookie is non-NULL
*/
if (pOD->optCookie != (void*)NULL) {
tSCC zOptCookieCt[] = "%1$s_%2$s_CT=%3$d\nexport %1$s_%2$s_CT\n";
tArgList* pAL = (tArgList*)pOD->optCookie;
char** ppz = pAL->apzArgs;
int ct = pAL->useCt;
printf( zOptCookieCt, pOpts->pzPROGNAME, pOD->pz_NAME, ct );
while (--ct >= 0) {
tSCC zOptNumArg[] = "%s_%s_%d='";
tSCC zOptEnd[] = "'\nexport %s_%s_%d\n";
printf( zOptNumArg, pOpts->pzPROGNAME, pOD->pz_NAME,
pAL->useCt-ct );
putQuotedStr( *(ppz++) );
printf( zOptEnd, pOpts->pzPROGNAME, pOD->pz_NAME,
pAL->useCt-ct );
}
}
/*
* If the argument has been disabled,
* Then set its value to the disablement string
*/
else if ((pOD->fOptState & OPTST_DISABLED) != 0)
printf( zOptDisabl, pOpts->pzPROGNAME, pOD->pz_NAME,
pOD->pz_DisablePfx );
/*
* If the argument type is numeric, the last arg pointer
* is really the VALUE of the string that was pointed to.
*/
else if ((pOD->fOptState & OPTST_NUMERIC) != 0)
printf( zOptNumFmt, pOpts->pzPROGNAME, pOD->pz_NAME,
(int)(pOD->pzLastArg) );
/*
* If the argument type is an enumeration, then it is much
* like a text value, except we call the callback function
* to emit the value corresponding to the "pzLastArg" number.
*/
else if ((pOD->fOptState & OPTST_ENUMERATION) != 0) {
printf( zOptValFmt, pOpts->pzPROGNAME, pOD->pz_NAME );
(*(pOD->pOptProc))( (tOptions*)1UL, pOD );
printf( zOptEnd, pOpts->pzPROGNAME, pOD->pz_NAME );
}
/*
* If the argument type is numeric, the last arg pointer
* is really the VALUE of the string that was pointed to.
*/
else if ((pOD->fOptState & OPTST_BOOLEAN) != 0)
printf( zFullOptFmt, pOpts->pzPROGNAME, pOD->pz_NAME,
((int)(pOD->pzLastArg) == 0) ? "false" : "true" );
/*
* IF the option has an empty value,
* THEN we set the argument to the occurrence count.
*/
else if ( (pOD->pzLastArg == (char*)NULL)
|| (pOD->pzLastArg[0] == NUL) )
printf( zOptNumFmt, pOpts->pzPROGNAME, pOD->pz_NAME,
pOD->optOccCt );
/*
* This option has a text value
*/
else {
printf( zOptValFmt, pOpts->pzPROGNAME, pOD->pz_NAME );
putQuotedStr( pOD->pzLastArg );
printf( zOptEnd, pOpts->pzPROGNAME, pOD->pz_NAME );
}
} while (++optIx < pOpts->presetOptCt );
}
#else
int putBourneShell( pOpts )
tOptions* pOpts;
{
fputs( "putBourneShell disabled for pre-ANSI C\n", stderr );
exit( EXIT_FAILURE );
}
#endif
/*
* Local Variables:
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* putshell.c ends here */
|
