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Diffstat (limited to 'ext/date/date_parse.c')
-rw-r--r--ext/date/date_parse.c116
1 files changed, 78 insertions, 38 deletions
diff --git a/ext/date/date_parse.c b/ext/date/date_parse.c
index 419d76a..815c07f 100644
--- a/ext/date/date_parse.c
+++ b/ext/date/date_parse.c
@@ -63,6 +63,8 @@ static const char *abbr_months[] = {
#define asubt_string() rb_str_new("\024", 1)
#endif
+#define DECDIGIT "0123456789"
+
static void
s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
{
@@ -102,7 +104,7 @@ s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
bp = s;
if (issign((unsigned char)*s))
s++;
- l = strspn(s, "0123456789");
+ l = strspn(s, DECDIGIT);
ep = s + l;
if (*ep) {
y = d;
@@ -155,7 +157,7 @@ s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
}
if (sign)
c = Qfalse;
- l = strspn(s, "0123456789");
+ l = strspn(s, DECDIGIT);
ep = s + l;
if (l > 2)
c = Qfalse;
@@ -182,7 +184,7 @@ s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
while (!isdigit((unsigned char)*s))
s++;
bp = s;
- l = strspn(s, "0123456789");
+ l = strspn(s, DECDIGIT);
ep = s + l;
{
char *buf;
@@ -204,7 +206,7 @@ s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
while (!isdigit((unsigned char)*s))
s++;
bp = s;
- l = strspn(s, "0123456789");
+ l = strspn(s, DECDIGIT);
ep = s + l;
{
char *buf;
@@ -832,6 +834,50 @@ parse_era(VALUE str, VALUE hash)
}
#endif
+#ifdef TIGHT_PARSER
+static int
+check_year_width(VALUE y)
+{
+ char *s;
+ size_t l;
+
+ s = RSTRING_PTR(y);
+ l = strcspn(s, DECDIGIT);
+ s += l;
+ l = strspn(s, DECDIGIT);
+ if (l != 2)
+ return 0;
+ return 1;
+}
+
+static int
+check_apost(VALUE a, VALUE b, VALUE c)
+{
+ int f = 0;
+
+ if (!NIL_P(a) && *RSTRING_PTR(a) == '\'') {
+ if (!check_year_width(a))
+ return 0;
+ f++;
+ }
+ if (!NIL_P(b) && *RSTRING_PTR(b) == '\'') {
+ if (!check_year_width(b))
+ return 0;
+ if (!NIL_P(c))
+ return 0;
+ f++;
+ }
+ if (!NIL_P(c) && *RSTRING_PTR(c) == '\'') {
+ if (!check_year_width(c))
+ return 0;
+ f++;
+ }
+ if (f > 1)
+ return 0;
+ return 1;
+}
+#endif
+
static int
parse_eu_cb(VALUE m, VALUE hash)
{
@@ -855,6 +901,9 @@ parse_eu_cb(VALUE m, VALUE hash)
mon = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
+ if (!check_apost(d, mon, y))
+ return 0;
+
mon = INT2FIX(mon_num(mon));
s3e(hash, y, mon, d, 0);
@@ -890,7 +939,7 @@ parse_eu(VALUE str, VALUE hash)
#else
"(?:" FPA ")?"
"\\s*"
- "('?-?\\d+)"
+ "([-']?\\d+)"
"\\s*"
"(?:" FPA "|" FPB ")?"
#endif
@@ -930,6 +979,9 @@ parse_us_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
+ if (!check_apost(mon, d, y))
+ return 0;
+
mon = INT2FIX(mon_num(mon));
s3e(hash, y, mon, d, 0);
@@ -954,7 +1006,7 @@ parse_us(VALUE str, VALUE hash)
#ifndef TIGHT_PARSER
"('?\\d+)[^-\\d\\s']*"
#else
- "(\\d+)(?:(?:st|nd|rd|th)\\b)?"
+ "('?\\d+)(?:(?:st|nd|rd|th)\\b)?"
COM_FPT
#endif
"(?:"
@@ -967,7 +1019,7 @@ parse_us(VALUE str, VALUE hash)
#else
"(?:" FPA ")?"
"\\s*"
- "('?-?\\d+)"
+ "([-']?\\d+)"
"\\s*"
"(?:" FPA "|" FPB ")?"
#endif
@@ -993,7 +1045,7 @@ parse_iso_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(3, m);
#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(y) == '\'' && *RSTRING_PTR(d) == '\'')
+ if (!check_apost(y, mon, d))
return 0;
#endif
@@ -1010,7 +1062,7 @@ parse_iso(VALUE str, VALUE hash)
#else
BOS
FPW_COM FPT_COM
- "('?[-+]?\\d+)-(\\d+)-('?-?\\d+)"
+ "([-+']?\\d+)-(\\d+)-([-']?\\d+)"
TEE_FPT COM_FPW
EOS
#endif
@@ -1341,7 +1393,7 @@ parse_vms11_cb(VALUE m, VALUE hash)
y = rb_reg_nth_match(3, m);
#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y) && *RSTRING_PTR(y) == '\'')
+ if (!check_apost(d, mon, y))
return 0;
#endif
@@ -1361,8 +1413,8 @@ parse_vms11(VALUE str, VALUE hash)
#else
BOS
FPW_COM FPT_COM
- "('?-?\\d+)-(" DOTLESS_VALID_MONTHS ")"
- "-('?-?\\d+)"
+ "([-']?\\d+)-(" DOTLESS_VALID_MONTHS ")"
+ "-([-']?\\d+)"
COM_FPT COM_FPW
EOS
#endif
@@ -1383,7 +1435,7 @@ parse_vms12_cb(VALUE m, VALUE hash)
y = rb_reg_nth_match(3, m);
#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y))
+ if (!check_apost(mon, d, y))
return 0;
#endif
@@ -1404,7 +1456,7 @@ parse_vms12(VALUE str, VALUE hash)
BOS
FPW_COM FPT_COM
"(" DOTLESS_VALID_MONTHS ")"
- "-('?-?\\d+)(?:-('?-?\\d+))?"
+ "-([-']?\\d+)(?:-([-']?\\d+))?"
COM_FPT COM_FPW
EOS
#endif
@@ -1438,11 +1490,7 @@ parse_sla_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(3, m);
#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(y) == '\'' &&
- (*RSTRING_PTR(mon) == '\'' ||
- !NIL_P(d) && *RSTRING_PTR(d) == '\''))
- return 0;
- if (*RSTRING_PTR(mon) == '\'' && !NIL_P(d))
+ if (!check_apost(y, mon, d))
return 0;
#endif
@@ -1459,7 +1507,7 @@ parse_sla(VALUE str, VALUE hash)
#else
BOS
FPW_COM FPT_COM
- "('?-?\\d+)/\\s*('?\\d+)(?:(?:[-/]|\\s+)\\s*('?-?\\d+))?"
+ "([-']?\\d+)/\\s*('?\\d+)(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
COM_FPT COM_FPW
EOS
#endif
@@ -1480,10 +1528,8 @@ parse_sla2_cb(VALUE m, VALUE hash)
mon = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
-#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y) && *RSTRING_PTR(y) == '\'')
+ if (!check_apost(d, mon, y))
return 0;
-#endif
mon = INT2FIX(mon_num(mon));
@@ -1497,7 +1543,7 @@ parse_sla2(VALUE str, VALUE hash)
static const char pat_source[] =
BOS
FPW_COM FPT_COM
- "('?-?\\d+)/\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[-/]|\\s+)\\s*('?-?\\d+))?"
+ "([-']?\\d+)/\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
COM_FPT COM_FPW
EOS
;
@@ -1516,10 +1562,8 @@ parse_sla3_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
-#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y))
+ if (!check_apost(mon, d, y))
return 0;
-#endif
mon = INT2FIX(mon_num(mon));
@@ -1533,7 +1577,7 @@ parse_sla3(VALUE str, VALUE hash)
static const char pat_source[] =
BOS
FPW_COM FPT_COM
- "(" DOTLESS_VALID_MONTHS ")/\\s*('?\\d+)(?:(?:[-/]|\\s+)\\s*('?-?\\d+))?"
+ "(" DOTLESS_VALID_MONTHS ")/\\s*([-']?\\d+)(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
COM_FPT COM_FPW
EOS
;
@@ -1554,7 +1598,7 @@ parse_dot_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(3, m);
#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(y) == '\'' && *RSTRING_PTR(d) == '\'')
+ if (!check_apost(y, mon, d))
return 0;
#endif
@@ -1571,7 +1615,7 @@ parse_dot(VALUE str, VALUE hash)
#else
BOS
FPW_COM FPT_COM
- "('?-?\\d+)\\.\\s*(\\d+)\\.\\s*('?-?\\d+)"
+ "([-']?\\d+)\\.\\s*(\\d+)\\.\\s*([-']?\\d+)"
COM_FPT COM_FPW
EOS
#endif
@@ -1592,10 +1636,8 @@ parse_dot2_cb(VALUE m, VALUE hash)
mon = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
-#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y) && *RSTRING_PTR(y) == '\'')
+ if (!check_apost(d, mon, y))
return 0;
-#endif
mon = INT2FIX(mon_num(mon));
@@ -1609,7 +1651,7 @@ parse_dot2(VALUE str, VALUE hash)
static const char pat_source[] =
BOS
FPW_COM FPT_COM
- "('?-?\\d+)\\.\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[./])\\s*('?-?\\d+))?"
+ "([-']?\\d+)\\.\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[./])\\s*([-']?\\d+))?"
COM_FPT COM_FPW
EOS
;
@@ -1628,10 +1670,8 @@ parse_dot3_cb(VALUE m, VALUE hash)
d = rb_reg_nth_match(2, m);
y = rb_reg_nth_match(3, m);
-#ifdef TIGHT_PARSER
- if (*RSTRING_PTR(d) == '\'' && !NIL_P(y))
+ if (!check_apost(mon, d, y))
return 0;
-#endif
mon = INT2FIX(mon_num(mon));
@@ -1645,7 +1685,7 @@ parse_dot3(VALUE str, VALUE hash)
static const char pat_source[] =
BOS
FPW_COM FPT_COM
- "(" DOTLESS_VALID_MONTHS ")\\.\\s*('?\\d+)(?:(?:[./])\\s*('?-?\\d+))?"
+ "(" DOTLESS_VALID_MONTHS ")\\.\\s*([-']?\\d+)(?:(?:[./])\\s*([-']?\\d+))?"
COM_FPT COM_FPW
EOS
;