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/* $Id: rxsub.h,v 1.3 2005/05/02 21:39:53 jschrod Exp $
*------------------------------------------------------------
This piece of code was inspired from the regsub implementation of
Henry Spencer. I modified it to make it compatible with the GNU Rx
library.
I added a more flexible interface that also allows dynamic
allocation of the string buffer and a function that computes the
length of the resulting string.
*/
#ifndef RXSUB_H
#define RXSUB_H
#include "mkind.h"
#include "regex.h"
/* The error codes used by the rxsub-library */
typedef enum
{
RXSUB_NOERROR = 0, /* Success. */
RXSUB_INVAL, /* Invalid arguments */
RXSUB_ESPACE, /* The given buffer is too small */
RXSUB_DAMAGE /* Damaged source string */
} rxsub_errcode_t;
/*
nrxsub - perform substitutions after a regexp match
substpat : a string consisting of ordinary characters and subexpression
specifiers like `&' and `\0'..`\9'.
pmatch[] : the vector of subexpression specifiers into `source'
source : the string that was used in the regexec call yielding `pmatch'
dest : where to store the result
nsize : buffer length
Returns one of the error codes.
*/
extern rxsub_errcode_t nrxsub
PROTO( (char *substpat,
regmatch_t pmatch[],
char *source,
char *dest,
size_t nsize) );
/*
rxsub - perform substitutions after a regexp match
substpat : a string consisting of ordinary characters and subexpression
specifiers like `&' and `\0'..`\9'.
pmatch[] : the vector of subexpression specifiers into `source'
source : the string that was used in the regexec call yielding `pmatch'
dest : pointer to a char*, which is used to store the pointer of the
result string. The neccessary space for the result is allocated
dynamically.
Returns one of the error codes.
*/
rxsub_errcode_t rxsub
PROTO( (char *substpat,
regmatch_t pmatch[],
char *source,
char **dest) );
/*
rxsub_len - calculate the neccessary space to hold the result of the
rxsub-call.
substpat : a string consisting of ordinary characters and subexpression
specifiers like `&' and `\0'..`\9'.
pmatch[] : the vector of subexpression specifiers into `source'
Returns the length of the string neccessary to hold the substituted
result with the final '\0' character included, or 0 of a fatal error occured.
*/
extern size_t rxsub_len
PROTO( (char *substpat,
regmatch_t pmatch[]) );
#endif /* RXSUB_H */
/*======================================================================
$Log: rxsub.h,v $
Revision 1.3 2005/05/02 21:39:53 jschrod
xindy run time engine 3.0; as used for CLISP 2.33.2.
Revision 1.2 1999/07/30 08:37:09 kehr
Intermediate checkin.
Revision 1.1 1996/03/26 17:31:04 kehr
First check-in of the rx-support for clisp.
*/
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