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/* ISC license. */
#include <skalibs/bytestr.h>
#include <skalibs/sgetopt.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <execline/execline.h>
#include "exlsn.h"
int exlsn_define (int argc, char const **argv, char const *const *envp, exlsn_t *info)
{
eltransforminfo_t si = ELTRANSFORMINFO_ZERO ;
subgetopt_t localopt = SUBGETOPT_ZERO ;
elsubst_t blah ;
blah.var = info->vars.len ;
blah.value = info->values.len ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "nsCcd:", &localopt) ;
if (opt < 0) break ;
switch (opt)
{
case 'n' : si.chomp = 1 ; break ;
case 's' : si.split = 1 ; break ;
case 'C' : si.crunch = 1 ; break ;
case 'c' : si.crunch = 0 ; break ;
case 'd' : si.delim = localopt.arg ; break ;
default : return -3 ;
}
}
argc -= localopt.ind ; argv += localopt.ind ;
if (argc < 2) return -3 ;
if (!*argv[0] || el_vardupl(argv[0], info->vars.s, info->vars.len)) return -2 ;
if (!stralloc_catb(&info->vars, argv[0], str_len(argv[0]) + 1)) return -1 ;
if (!stralloc_cats(&info->values, argv[1])) goto err ;
{
register int r = el_transform(&info->values, blah.value, &si) ;
if (r < 0) goto err ;
blah.n = r ;
}
if (!genalloc_append(elsubst_t, &info->data, &blah)) goto err ;
(void)envp ;
return localopt.ind + 2 ;
err:
info->vars.len = blah.var ;
info->values.len = blah.value ;
return -1 ;
}
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