qse/samples/awk/awk12.c

98 lines
1.8 KiB
C

#include <qse/awk/stdawk.h>
#include <qse/si/sio.h>
/* this sample produces 8 text files containing multiplication chart. */
const qse_char_t* src = QSE_T(
"BEGIN {"
" for (i=2;i<=9;i++)"
" {"
" print \"OFILENAME:\" OFILENAME;"
" for (j=1;j<=9;j++)"
" print i \"*\" j \"=\" i * j;"
" nextofile;"
" }"
"}"
);
int main ()
{
qse_awk_t* awk = QSE_NULL;
qse_awk_rtx_t* rtx = QSE_NULL;
qse_awk_val_t* retv;
qse_awk_parsestd_t psin[2];
int ret = -1, opt;
const qse_char_t* output_files[] =
{
QSE_T("awk12.out.2"),
QSE_T("awk12.out.3"),
QSE_T("awk12.out.4"),
QSE_T("awk12.out.5"),
QSE_T("awk12.out.6"),
QSE_T("awk12.out.7"),
QSE_T("awk12.out.8"),
QSE_T("awk12.out.9"),
QSE_NULL
};
qse_open_stdsios ();
awk = qse_awk_openstd (0, QSE_NULL);
if (awk == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot open awk\n"));
goto oops;
}
qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
opt |= QSE_AWK_NEXTOFILE;
qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
psin[0].type = QSE_AWK_PARSESTD_STR;
psin[0].u.str.ptr = src;
psin[0].u.str.len = qse_strlen(src);
psin[1].type = QSE_AWK_PARSESTD_NULL;
if (qse_awk_parsestd (awk, psin, QSE_NULL) <= -1)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"),
qse_awk_geterrmsg(awk));
goto oops;
}
rtx = qse_awk_rtx_openstd (
awk,
0,
QSE_T("awk12"),
QSE_NULL, /* stdin */
output_files,
QSE_NULL /* default cmgr */
);
if (rtx == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"),
qse_awk_geterrmsg(awk));
goto oops;
}
retv = qse_awk_rtx_loop (rtx);
if (retv == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"),
qse_awk_rtx_geterrmsg(rtx));
goto oops;
}
qse_awk_rtx_refdownval (rtx, retv);
ret = 0;
oops:
if (rtx != QSE_NULL) qse_awk_rtx_close (rtx);
if (awk != QSE_NULL) qse_awk_close (awk);
qse_close_stdsios ();
return ret;
}