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added the global variable STRIPRECSPC.

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fixed how to set rtx->gbl.ignorecase for IGNORECASE in set_global()
This commit is contained in:
hyung-hwan 2019-02-04 12:20:16 +00:00
parent 3fdddccde3
commit 98f726e2cc
6 changed files with 56 additions and 17 deletions
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1
qse/include/qse/awk/awk.h
View File

@ -1365,6 +1365,7 @@ enum qse_awk_gbl_id_t
QSE_AWK_GBL_RLENGTH,
QSE_AWK_GBL_RS,
QSE_AWK_GBL_RSTART,
QSE_AWK_GBL_STRIPRECSPC,
QSE_AWK_GBL_SUBSEP,
/* these are not not the actual IDs and are used internally only

1
qse/lib/awk/awk-prv.h
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@ -316,6 +316,7 @@ struct qse_awk_rtx_t
void* rs[2];
void* fs[2];
int ignorecase;
int striprecspc;
qse_awk_int_t nr;
qse_awk_int_t fnr;

4
qse/lib/awk/misc.c
View File

@ -926,7 +926,7 @@ qse_char_t* qse_awk_rtx_strxntokbyrex (
cursub.ptr++;
cursub.len--;
}
else if (rtx->awk->opt.trait & QSE_AWK_STRIPRECSPC)
else if (rtx->gbl.striprecspc > 0 || (rtx->gbl.striprecspc < 0 && (rtx->awk->opt.trait & QSE_AWK_STRIPRECSPC)))
{
/* match at the beginning of the input string */
if (match.ptr == substr)
@ -976,7 +976,7 @@ exit_loop:
/* the match is all spaces */
*errnum = QSE_AWK_ENOERR;
if (rtx->awk->opt.trait & QSE_AWK_STRIPRECSPC)
if (rtx->gbl.striprecspc > 0 || (rtx->gbl.striprecspc < 0 && (rtx->awk->opt.trait & QSE_AWK_STRIPRECSPC)))
{
/* if the match reached the last character in the input string,
* it returns QSE_NULL to terminate tokenization. */

9
qse/lib/awk/parse.c
View File

@ -364,6 +364,15 @@ static global_t gtab[] =
{ QSE_T("RS"), 2, 0 },
{ QSE_T("RSTART"), 6, 0 },
/* it decides the field construction behavior when FS is a regular expression and
* the field splitter is composed of whitespaces only. e.g) FS="[ \t]*";
* if set to a non-zero value, remove leading spaces and trailing spaces off a record
* before field splitting.
* if set to zero, leading spaces and trailing spaces result in 1 empty field respectively.
* if not set, the behavior is dependent on the awk->opt.trait & QSE_AWK_STRIPRECSPC */
{ QSE_T("STRIPRECSPC"), 11, 0 },
{ QSE_T("SUBSEP"), 6, 0 }
};

3
qse/lib/awk/rec.c
View File

@ -255,11 +255,13 @@ static int split_record (qse_awk_rtx_t* rtx)
switch (how)
{
case 0:
/* 1 character FS */
p = qse_awk_rtx_strxntok (
rtx, p, len, fs_ptr, fs_len, &tok);
break;
case 1:
/* 5 character FS beginning with ? */
p = qse_awk_rtx_strxnfld (
rtx, p, len,
fs_ptr[1], fs_ptr[2],
@ -267,6 +269,7 @@ static int split_record (qse_awk_rtx_t* rtx)
break;
default:
/* all other cases */
p = qse_awk_rtx_strxntokbyrex (
rtx,
QSE_STR_PTR(&rtx->inrec.line),

55
qse/lib/awk/run.c
View File

@ -474,8 +474,10 @@ static int set_global (
if (fs_len > 1 && !(fs_len == 5 && fs_ptr[0] == QSE_T('?')))
{
/* it's a regular expression if FS contains multiple characters.
* however, it's not a regular expression if it's 5 character
* string beginning with a question mark. */
void* rex, * irex;
qse_awk_errnum_t errnum;
if (qse_awk_buildrex (rtx->awk, fs_ptr, fs_len, &errnum, &rex, &irex) <= -1)
@ -499,11 +501,17 @@ static int set_global (
case QSE_AWK_GBL_IGNORECASE:
{
qse_awk_val_type_t vtype = QSE_AWK_RTX_GETVALTYPE (rtx, val);
rtx->gbl.ignorecase =
((vtype == QSE_AWK_VAL_INT && QSE_AWK_RTX_GETINTFROMVAL (rtx,val) != 0) ||
(vtype == QSE_AWK_VAL_FLT && ((qse_awk_val_flt_t*)val)->val != 0.0) ||
(vtype == QSE_AWK_VAL_STR && ((qse_awk_val_str_t*)val)->val.len != 0))? 1: 0;
qse_awk_int_t l;
qse_awk_flt_t r;
int vt;
vt = qse_awk_rtx_valtonum(rtx, val, &l, &r);
if (vt <= -1) return -1;
if (vt == 0)
rtx->gbl.ignorecase = ((l > 0)? 1: (l < 0)? -1: 0);
else
rtx->gbl.ignorecase = ((r > 0.0)? 1: (r < 0.0)? -1: 0);
break;
}
@ -512,12 +520,12 @@ static int set_global (
int n;
qse_awk_int_t lv;
n = qse_awk_rtx_valtoint (rtx, val, &lv);
n = qse_awk_rtx_valtoint(rtx, val, &lv);
if (n <= -1) return -1;
if (lv < (qse_awk_int_t)rtx->inrec.nflds)
{
if (shorten_record (rtx, (qse_size_t)lv) == -1)
if (shorten_record(rtx, (qse_size_t)lv) == -1)
{
/* adjust the error line */
/*if (var) ADJERR_LOC (rtx, &var->loc);*/
@ -534,7 +542,7 @@ static int set_global (
int n;
qse_awk_int_t lv;
n = qse_awk_rtx_valtoint (rtx, val, &lv);
n = qse_awk_rtx_valtoint(rtx, val, &lv);
if (n <= -1) return -1;
rtx->gbl.nr = lv;
@ -547,7 +555,7 @@ static int set_global (
qse_awk_rtx_valtostr_out_t out;
out.type = QSE_AWK_RTX_VALTOSTR_CPLDUP;
if (qse_awk_rtx_valtostr (rtx, val, &out) <= -1) return -1;
if (qse_awk_rtx_valtostr(rtx, val, &out) <= -1) return -1;
for (i = 0; i < out.u.cpldup.len; i++)
{
@ -572,7 +580,7 @@ static int set_global (
qse_awk_rtx_valtostr_out_t out;
out.type = QSE_AWK_RTX_VALTOSTR_CPLDUP;
if (qse_awk_rtx_valtostr (rtx, val, &out) <= -1) return -1;
if (qse_awk_rtx_valtostr(rtx, val, &out) <= -1) return -1;
if (rtx->gbl.ofs.ptr != QSE_NULL)
QSE_AWK_FREE (rtx->awk, rtx->gbl.ofs.ptr);
@ -587,7 +595,7 @@ static int set_global (
qse_awk_rtx_valtostr_out_t out;
out.type = QSE_AWK_RTX_VALTOSTR_CPLDUP;
if (qse_awk_rtx_valtostr (rtx, val, &out) <= -1) return -1;
if (qse_awk_rtx_valtostr(rtx, val, &out) <= -1) return -1;
if (rtx->gbl.ors.ptr != QSE_NULL)
QSE_AWK_FREE (rtx->awk, rtx->gbl.ors.ptr);
@ -615,7 +623,7 @@ static int set_global (
QSE_ASSERT (vtype != QSE_AWK_VAL_REX);
out.type = QSE_AWK_RTX_VALTOSTR_CPLDUP;
if (qse_awk_rtx_valtostr (rtx, val, &out) <= -1) return -1;
if (qse_awk_rtx_valtostr(rtx, val, &out) <= -1) return -1;
rss = out.u.cpldup;
}
@ -633,7 +641,7 @@ static int set_global (
qse_awk_errnum_t errnum;
/* compile the regular expression */
if (qse_awk_buildrex (rtx->awk, rss.ptr, rss.len, &errnum, &rex, &irex) <= -1)
if (qse_awk_buildrex(rtx->awk, rss.ptr, rss.len, &errnum, &rex, &irex) <= -1)
{
SETERR_COD (rtx, errnum);
if (vtype != QSE_AWK_VAL_STR) QSE_AWK_FREE (rtx->awk, rss.ptr);
@ -654,7 +662,7 @@ static int set_global (
qse_awk_rtx_valtostr_out_t out;
out.type = QSE_AWK_RTX_VALTOSTR_CPLDUP;
if (qse_awk_rtx_valtostr (rtx, val, &out) <= -1) return -1;
if (qse_awk_rtx_valtostr(rtx, val, &out) <= -1) return -1;
if (rtx->gbl.subsep.ptr)
QSE_AWK_FREE (rtx->awk, rtx->gbl.subsep.ptr);
@ -663,6 +671,22 @@ static int set_global (
break;
}
case QSE_AWK_GBL_STRIPRECSPC:
{
qse_awk_int_t l;
qse_awk_flt_t r;
int vt;
vt = qse_awk_rtx_valtonum(rtx, val, &l, &r);
if (vt <= -1) return -1;
if (vt == 0)
rtx->gbl.striprecspc = ((l > 0)? 1: (l < 0)? -1: 0);
else
rtx->gbl.striprecspc = ((r > 0.0)? 1: (r < 0.0)? -1: 0);
break;
}
}
qse_awk_rtx_refdownval (rtx, old);
@ -1026,6 +1050,7 @@ static int init_rtx (qse_awk_rtx_t* rtx, qse_awk_t* awk, qse_awk_rio_t* rio)
rtx->gbl.fs[0] = QSE_NULL;
rtx->gbl.fs[1] = QSE_NULL;
rtx->gbl.ignorecase = 0;
rtx->gbl.striprecspc = -1;
return 0;