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-rw-r--r--ext/date/date_parse.c3086
1 files changed, 3086 insertions, 0 deletions
diff --git a/ext/date/date_parse.c b/ext/date/date_parse.c
new file mode 100644
index 0000000000..a1600e4708
--- /dev/null
+++ b/ext/date/date_parse.c
@@ -0,0 +1,3086 @@
+/*
+ date_parse.c: Coded by Tadayoshi Funaba 2011,2012
+*/
+
+#include "ruby.h"
+#include "ruby/encoding.h"
+#include "ruby/re.h"
+#include <ctype.h>
+
+#undef strncasecmp
+#define strncasecmp STRNCASECMP
+
+RUBY_EXTERN VALUE rb_int_positive_pow(long x, unsigned long y);
+RUBY_EXTERN unsigned long ruby_scan_digits(const char *str, ssize_t len, int base, size_t *retlen, int *overflow);
+
+/* #define TIGHT_PARSER */
+
+#define sizeof_array(o) (sizeof o / sizeof o[0])
+
+#define f_negate(x) rb_funcall(x, rb_intern("-@"), 0)
+#define f_add(x,y) rb_funcall(x, '+', 1, y)
+#define f_sub(x,y) rb_funcall(x, '-', 1, y)
+#define f_mul(x,y) rb_funcall(x, '*', 1, y)
+#define f_div(x,y) rb_funcall(x, '/', 1, y)
+#define f_idiv(x,y) rb_funcall(x, rb_intern("div"), 1, y)
+#define f_mod(x,y) rb_funcall(x, '%', 1, y)
+#define f_expt(x,y) rb_funcall(x, rb_intern("**"), 1, y)
+
+#define f_lt_p(x,y) rb_funcall(x, '<', 1, y)
+#define f_gt_p(x,y) rb_funcall(x, '>', 1, y)
+#define f_le_p(x,y) rb_funcall(x, rb_intern("<="), 1, y)
+#define f_ge_p(x,y) rb_funcall(x, rb_intern(">="), 1, y)
+
+#define f_to_s(x) rb_funcall(x, rb_intern("to_s"), 0)
+
+#define f_match(r,s) rb_funcall(r, rb_intern("match"), 1, s)
+#define f_aref(o,i) rb_funcall(o, rb_intern("[]"), 1, i)
+#define f_aref2(o,i,j) rb_funcall(o, rb_intern("[]"), 2, i, j)
+#define f_begin(o,i) rb_funcall(o, rb_intern("begin"), 1, i)
+#define f_end(o,i) rb_funcall(o, rb_intern("end"), 1, i)
+#define f_aset(o,i,v) rb_funcall(o, rb_intern("[]="), 2, i, v)
+#define f_aset2(o,i,j,v) rb_funcall(o, rb_intern("[]="), 3, i, j, v)
+#define f_sub_bang(s,r,x) rb_funcall(s, rb_intern("sub!"), 2, r, x)
+#define f_gsub_bang(s,r,x) rb_funcall(s, rb_intern("gsub!"), 2, r, x)
+
+#define set_hash(k,v) rb_hash_aset(hash, ID2SYM(rb_intern(k"")), v)
+#define ref_hash(k) rb_hash_aref(hash, ID2SYM(rb_intern(k"")))
+#define del_hash(k) rb_hash_delete(hash, ID2SYM(rb_intern(k"")))
+
+#define cstr2num(s) rb_cstr_to_inum(s, 10, 0)
+#define str2num(s) rb_str_to_inum(s, 10, 0)
+
+static const char abbr_days[][4] = {
+ "sun", "mon", "tue", "wed",
+ "thu", "fri", "sat"
+};
+
+static const char abbr_months[][4] = {
+ "jan", "feb", "mar", "apr", "may", "jun",
+ "jul", "aug", "sep", "oct", "nov", "dec"
+};
+
+#define issign(c) ((c) == '-' || (c) == '+')
+#define asp_string() rb_str_new(" ", 1)
+#ifdef TIGHT_PARSER
+#define asuba_string() rb_str_new("\001", 1)
+#define asubb_string() rb_str_new("\002", 1)
+#define asubw_string() rb_str_new("\027", 1)
+#define asubt_string() rb_str_new("\024", 1)
+#endif
+
+static size_t
+digit_span(const char *s, const char *e)
+{
+ size_t i = 0;
+ while (s + i < e && isdigit((unsigned char)s[i])) i++;
+ return i;
+}
+
+static void
+s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
+{
+ VALUE vbuf = 0;
+ VALUE c = Qnil;
+
+ if (!RB_TYPE_P(m, T_STRING))
+ m = f_to_s(m);
+
+ if (!NIL_P(y) && !NIL_P(m) && NIL_P(d)) {
+ VALUE oy = y;
+ VALUE om = m;
+ VALUE od = d;
+
+ y = od;
+ m = oy;
+ d = om;
+ }
+
+ if (NIL_P(y)) {
+ if (!NIL_P(d) && RSTRING_LEN(d) > 2) {
+ y = d;
+ d = Qnil;
+ }
+ if (!NIL_P(d) && RSTRING_LEN(d) > 0 && *RSTRING_PTR(d) == '\'') {
+ y = d;
+ d = Qnil;
+ }
+ }
+
+ if (!NIL_P(y)) {
+ const char *s, *bp, *ep;
+ size_t l;
+
+ s = RSTRING_PTR(y);
+ ep = RSTRING_END(y);
+ while (s < ep && !issign(*s) && !isdigit((unsigned char)*s))
+ s++;
+ if (s >= ep) goto no_date;
+ bp = s;
+ if (issign((unsigned char)*s))
+ s++;
+ l = digit_span(s, ep);
+ ep = s + l;
+ if (*ep) {
+ y = d;
+ d = rb_str_new(bp, ep - bp);
+ }
+ no_date:;
+ }
+
+ if (!NIL_P(m)) {
+ const char *s;
+
+ s = RSTRING_PTR(m);
+ if (*s == '\'' || RSTRING_LEN(m) > 2) {
+ /* us -> be */
+ VALUE oy = y;
+ VALUE om = m;
+ VALUE od = d;
+
+ y = om;
+ m = od;
+ d = oy;
+ }
+ }
+
+ if (!NIL_P(d)) {
+ const char *s;
+
+ s = RSTRING_PTR(d);
+ if (*s == '\'' || RSTRING_LEN(d) > 2) {
+ VALUE oy = y;
+ VALUE od = d;
+
+ y = od;
+ d = oy;
+ }
+ }
+
+ if (!NIL_P(y)) {
+ const char *s, *bp, *ep;
+ int sign = 0;
+ size_t l;
+ VALUE iy;
+
+ s = RSTRING_PTR(y);
+ ep = RSTRING_END(y);
+ while (s < ep && !issign(*s) && !isdigit((unsigned char)*s))
+ s++;
+ if (s >= ep) goto no_year;
+ bp = s;
+ if (issign(*s)) {
+ s++;
+ sign = 1;
+ }
+ if (sign)
+ c = Qfalse;
+ l = digit_span(s, ep);
+ ep = s + l;
+ if (l > 2)
+ c = Qfalse;
+ {
+ char *buf;
+
+ buf = ALLOCV_N(char, vbuf, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ iy = cstr2num(buf);
+ ALLOCV_END(vbuf);
+ }
+ set_hash("year", iy);
+ no_year:;
+ }
+
+ if (bc)
+ set_hash("_bc", Qtrue);
+
+ if (!NIL_P(m)) {
+ const char *s, *bp, *ep;
+ size_t l;
+ VALUE im;
+
+ s = RSTRING_PTR(m);
+ ep = RSTRING_END(m);
+ while (s < ep && !isdigit((unsigned char)*s))
+ s++;
+ if (s >= ep) goto no_month;
+ bp = s;
+ l = digit_span(s, ep);
+ ep = s + l;
+ {
+ char *buf;
+
+ buf = ALLOCV_N(char, vbuf, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ im = cstr2num(buf);
+ ALLOCV_END(vbuf);
+ }
+ set_hash("mon", im);
+ no_month:;
+ }
+
+ if (!NIL_P(d)) {
+ const char *s, *bp, *ep;
+ size_t l;
+ VALUE id;
+
+ s = RSTRING_PTR(d);
+ ep = RSTRING_END(d);
+ while (s < ep && !isdigit((unsigned char)*s))
+ s++;
+ if (s >= ep) goto no_mday;
+ bp = s;
+ l = digit_span(s, ep);
+ ep = s + l;
+ {
+ char *buf;
+
+ buf = ALLOCV_N(char, vbuf, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ id = cstr2num(buf);
+ ALLOCV_END(vbuf);
+ }
+ set_hash("mday", id);
+ no_mday:;
+ }
+
+ if (!NIL_P(c))
+ set_hash("_comp", c);
+}
+
+#define DAYS "sunday|monday|tuesday|wednesday|thursday|friday|saturday"
+#define MONTHS "january|february|march|april|may|june|july|august|september|october|november|december"
+#define ABBR_DAYS "sun|mon|tue|wed|thu|fri|sat"
+#define ABBR_MONTHS "jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec"
+
+#define NUMBER "(?<!\\d)\\d"
+
+#ifdef TIGHT_PARSER
+#define VALID_DAYS "(?:" DAYS ")" "|(?:tues|wednes|thurs|thur|" ABBR_DAYS ")\\.?"
+#define VALID_MONTHS "(?:" MONTHS ")" "|(?:sept|" ABBR_MONTHS ")\\.?"
+#define DOTLESS_VALID_MONTHS "(?:" MONTHS ")" "|(?:sept|" ABBR_MONTHS ")"
+#define BOS "\\A\\s*"
+#define FPA "\\001"
+#define FPB "\\002"
+#define FPW "\\027"
+#define FPT "\\024"
+#define FPW_COM "\\s*(?:" FPW "\\s*,?)?\\s*"
+#define FPT_COM "\\s*(?:" FPT "\\s*,?)?\\s*"
+#define COM_FPW "\\s*(?:,?\\s*" FPW ")?\\s*"
+#define COM_FPT "\\s*(?:,?\\s*(?:@|\\b[aA][tT]\\b)?\\s*" FPT ")?\\s*"
+#define TEE_FPT "\\s*(?:[tT]?" FPT ")?"
+#define EOS "\\s*\\z"
+#endif
+
+static VALUE
+regcomp(const char *source, long len, int opt)
+{
+ VALUE pat;
+
+ pat = rb_reg_new(source, len, opt);
+ rb_obj_freeze(pat);
+ rb_gc_register_mark_object(pat);
+ return pat;
+}
+
+#define REGCOMP(pat,opt) \
+do { \
+ if (NIL_P(pat)) \
+ pat = regcomp(pat##_source, sizeof pat##_source - 1, opt); \
+} while (0)
+
+#define REGCOMP_0(pat) REGCOMP(pat, 0)
+#define REGCOMP_I(pat) REGCOMP(pat, ONIG_OPTION_IGNORECASE)
+
+#define MATCH(s,p,c) \
+do { \
+ return match(s, p, hash, c); \
+} while (0)
+
+static int
+match(VALUE str, VALUE pat, VALUE hash, int (*cb)(VALUE, VALUE))
+{
+ VALUE m;
+
+ m = f_match(pat, str);
+
+ if (NIL_P(m))
+ return 0;
+
+ (*cb)(m, hash);
+
+ return 1;
+}
+
+static int
+subx(VALUE str, VALUE rep, VALUE pat, VALUE hash, int (*cb)(VALUE, VALUE))
+{
+ VALUE m;
+
+ m = f_match(pat, str);
+
+ if (NIL_P(m))
+ return 0;
+
+ {
+ VALUE be, en;
+
+ be = f_begin(m, INT2FIX(0));
+ en = f_end(m, INT2FIX(0));
+ f_aset2(str, be, LONG2NUM(NUM2LONG(en) - NUM2LONG(be)), rep);
+ (*cb)(m, hash);
+ }
+
+ return 1;
+}
+
+#define SUBS(s,p,c) \
+do { \
+ return subx(s, asp_string(), p, hash, c); \
+} while (0)
+
+#ifdef TIGHT_PARSER
+#define SUBA(s,p,c) \
+do { \
+ return subx(s, asuba_string(), p, hash, c); \
+} while (0)
+
+#define SUBB(s,p,c) \
+do { \
+ return subx(s, asubb_string(), p, hash, c); \
+} while (0)
+
+#define SUBW(s,p,c) \
+do { \
+ return subx(s, asubw_string(), p, hash, c); \
+} while (0)
+
+#define SUBT(s,p,c) \
+do { \
+ return subx(s, asubt_string(), p, hash, c); \
+} while (0)
+#endif
+
+#include "zonetab.h"
+
+static int
+str_end_with_word(const char *s, long l, const char *w)
+{
+ int n = (int)strlen(w);
+ if (l <= n || !isspace((unsigned char)s[l - n - 1])) return 0;
+ if (strncasecmp(&s[l - n], w, n)) return 0;
+ do ++n; while (l > n && isspace((unsigned char)s[l - n - 1]));
+ return n;
+}
+
+static long
+shrunk_size(const char *s, long l)
+{
+ long i, ni;
+ int sp = 0;
+ for (i = ni = 0; i < l; ++i) {
+ if (!isspace((unsigned char)s[i])) {
+ if (sp) ni++;
+ sp = 0;
+ ni++;
+ }
+ else {
+ sp = 1;
+ }
+ }
+ return ni < l ? ni : 0;
+}
+
+static long
+shrink_space(char *d, const char *s, long l)
+{
+ long i, ni;
+ int sp = 0;
+ for (i = ni = 0; i < l; ++i) {
+ if (!isspace((unsigned char)s[i])) {
+ if (sp) d[ni++] = ' ';
+ sp = 0;
+ d[ni++] = s[i];
+ }
+ else {
+ sp = 1;
+ }
+ }
+ return ni;
+}
+
+VALUE
+date_zone_to_diff(VALUE str)
+{
+ VALUE offset = Qnil;
+ long l = RSTRING_LEN(str);
+ const char *s = RSTRING_PTR(str);
+
+ {
+ int dst = 0;
+ int w;
+
+ if ((w = str_end_with_word(s, l, "time")) > 0) {
+ int wtime = w;
+ l -= w;
+ if ((w = str_end_with_word(s, l, "standard")) > 0) {
+ l -= w;
+ }
+ else if ((w = str_end_with_word(s, l, "daylight")) > 0) {
+ l -= w;
+ dst = 1;
+ }
+ else {
+ l += wtime;
+ }
+ }
+ else if ((w = str_end_with_word(s, l, "dst")) > 0) {
+ l -= w;
+ dst = 1;
+ }
+
+ {
+ const char *zn = s;
+ long sl = shrunk_size(s, l);
+ char shrunk_buff[MAX_WORD_LENGTH]; /* no terminator to be added */
+ const struct zone *z = 0;
+
+ if (sl <= 0) {
+ sl = l;
+ }
+ else if (sl <= MAX_WORD_LENGTH) {
+ char *d = shrunk_buff;
+ sl = shrink_space(d, s, l);
+ zn = d;
+ }
+
+ if (sl > 0 && sl <= MAX_WORD_LENGTH) {
+ z = zonetab(zn, (unsigned int)sl);
+ }
+
+ if (z) {
+ int d = z->offset;
+ if (dst)
+ d += 3600;
+ offset = INT2FIX(d);
+ goto ok;
+ }
+ }
+
+ {
+ char *p;
+ int sign = 0;
+ long hour = 0, min = 0, sec = 0;
+
+ if (l > 3 &&
+ (strncasecmp(s, "gmt", 3) == 0 ||
+ strncasecmp(s, "utc", 3) == 0)) {
+ s += 3;
+ l -= 3;
+ }
+ if (issign(*s)) {
+ sign = *s == '-';
+ s++;
+ l--;
+
+#define out_of_range(v, min, max) ((v) < (min) || (max) < (v))
+ hour = STRTOUL(s, &p, 10);
+ if (*p == ':') {
+ if (out_of_range(hour, 0, 23)) return Qnil;
+ s = ++p;
+ min = STRTOUL(s, &p, 10);
+ if (out_of_range(min, 0, 59)) return Qnil;
+ if (*p == ':') {
+ s = ++p;
+ sec = STRTOUL(s, &p, 10);
+ if (out_of_range(sec, 0, 59)) return Qnil;
+ }
+ }
+ else if (*p == ',' || *p == '.') {
+ /* fractional hour */
+ size_t n;
+ int ov;
+ /* no over precision for offset; 10**-7 hour = 0.36
+ * milliseconds should be enough. */
+ const size_t max_digits = 7; /* 36 * 10**7 < 32-bit FIXNUM_MAX */
+
+ if (out_of_range(hour, 0, 23)) return Qnil;
+
+ n = (s + l) - ++p;
+ if (n > max_digits) n = max_digits;
+ sec = ruby_scan_digits(p, n, 10, &n, &ov);
+ if ((p += n) < s + l && *p >= ('5' + !(sec & 1)) && *p <= '9') {
+ /* round half to even */
+ sec++;
+ }
+ sec *= 36;
+ if (sign) {
+ hour = -hour;
+ sec = -sec;
+ }
+ if (n <= 2) {
+ /* HH.nn or HH.n */
+ if (n == 1) sec *= 10;
+ offset = INT2FIX(sec + hour * 3600);
+ }
+ else {
+ VALUE denom = rb_int_positive_pow(10, (int)(n - 2));
+ offset = f_add(rb_rational_new(INT2FIX(sec), denom), INT2FIX(hour * 3600));
+ if (rb_rational_den(offset) == INT2FIX(1)) {
+ offset = rb_rational_num(offset);
+ }
+ }
+ goto ok;
+ }
+ else if (l > 2) {
+ size_t n;
+ int ov;
+
+ if (l >= 1)
+ hour = ruby_scan_digits(&s[0], 2 - l % 2, 10, &n, &ov);
+ if (l >= 3)
+ min = ruby_scan_digits(&s[2 - l % 2], 2, 10, &n, &ov);
+ if (l >= 5)
+ sec = ruby_scan_digits(&s[4 - l % 2], 2, 10, &n, &ov);
+ }
+ sec += min * 60 + hour * 3600;
+ if (sign) sec = -sec;
+ offset = INT2FIX(sec);
+#undef out_of_range
+ }
+ }
+ }
+ RB_GC_GUARD(str);
+ ok:
+ return offset;
+}
+
+static int
+day_num(VALUE s)
+{
+ int i;
+
+ for (i = 0; i < (int)sizeof_array(abbr_days); i++)
+ if (strncasecmp(abbr_days[i], RSTRING_PTR(s), 3) == 0)
+ break;
+ return i;
+}
+
+static int
+mon_num(VALUE s)
+{
+ int i;
+
+ for (i = 0; i < (int)sizeof_array(abbr_months); i++)
+ if (strncasecmp(abbr_months[i], RSTRING_PTR(s), 3) == 0)
+ break;
+ return i + 1;
+}
+
+static int
+parse_day_cb(VALUE m, VALUE hash)
+{
+ VALUE s;
+
+ s = rb_reg_nth_match(1, m);
+ set_hash("wday", INT2FIX(day_num(s)));
+ return 1;
+}
+
+static int
+parse_day(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b(" ABBR_DAYS ")[^-/\\d\\s]*"
+#else
+ "(" VALID_DAYS ")"
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+#ifndef TIGHT_PARSER
+ SUBS(str, pat, parse_day_cb);
+#else
+ SUBW(str, pat, parse_day_cb);
+#endif
+}
+
+static int
+parse_time2_cb(VALUE m, VALUE hash)
+{
+ VALUE h, min, s, f, p;
+
+ h = rb_reg_nth_match(1, m);
+ h = str2num(h);
+
+ min = rb_reg_nth_match(2, m);
+ if (!NIL_P(min))
+ min = str2num(min);
+
+ s = rb_reg_nth_match(3, m);
+ if (!NIL_P(s))
+ s = str2num(s);
+
+ f = rb_reg_nth_match(4, m);
+
+ if (!NIL_P(f))
+ f = rb_rational_new2(str2num(f),
+ f_expt(INT2FIX(10), LONG2NUM(RSTRING_LEN(f))));
+
+ p = rb_reg_nth_match(5, m);
+
+ if (!NIL_P(p)) {
+ int ih = NUM2INT(h);
+ ih %= 12;
+ if (*RSTRING_PTR(p) == 'P' || *RSTRING_PTR(p) == 'p')
+ ih += 12;
+ h = INT2FIX(ih);
+ }
+
+ set_hash("hour", h);
+ if (!NIL_P(min))
+ set_hash("min", min);
+ if (!NIL_P(s))
+ set_hash("sec", s);
+ if (!NIL_P(f))
+ set_hash("sec_fraction", f);
+
+ return 1;
+}
+
+static int
+parse_time_cb(VALUE m, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A(\\d+)h?"
+ "(?:\\s*:?\\s*(\\d+)m?"
+ "(?:"
+ "\\s*:?\\s*(\\d+)(?:[,.](\\d+))?s?"
+ ")?"
+ ")?"
+ "(?:\\s*([ap])(?:m\\b|\\.m\\.))?";
+ static VALUE pat = Qnil;
+ VALUE s1, s2;
+
+ s1 = rb_reg_nth_match(1, m);
+ s2 = rb_reg_nth_match(2, m);
+
+ if (!NIL_P(s2))
+ set_hash("zone", s2);
+
+ REGCOMP_I(pat);
+
+ {
+ VALUE m = f_match(pat, s1);
+
+ if (NIL_P(m))
+ return 0;
+ parse_time2_cb(m, hash);
+ }
+
+ return 1;
+}
+
+static int
+parse_time(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "("
+ "" NUMBER "+\\s*"
+ "(?:"
+ "(?:"
+ ":\\s*\\d+"
+ "(?:"
+#ifndef TIGHT_PARSER
+ "\\s*:\\s*\\d+(?:[,.]\\d*)?"
+#else
+ "\\s*:\\s*\\d+(?:[,.]\\d+)?"
+#endif
+ ")?"
+ "|"
+ "h(?:\\s*\\d+m?(?:\\s*\\d+s?)?)?"
+ ")"
+ "(?:"
+ "\\s*"
+ "[ap](?:m\\b|\\.m\\.)"
+ ")?"
+ "|"
+ "[ap](?:m\\b|\\.m\\.)"
+ ")"
+ ")"
+ "(?:"
+ "\\s*"
+ "("
+ "(?:gmt|utc?)?[-+]\\d+(?:[,.:]\\d+(?::\\d+)?)?"
+ "|"
+ "(?-i:[[:alpha:].\\s]+)(?:standard|daylight)\\stime\\b"
+ "|"
+ "(?-i:[[:alpha:]]+)(?:\\sdst)?\\b"
+ ")"
+ ")?";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+#ifndef TIGHT_PARSER
+ SUBS(str, pat, parse_time_cb);
+#else
+ SUBT(str, pat, parse_time_cb);
+#endif
+}
+
+#define BEGIN_ERA "\\b"
+#define END_ERA "(?!(?<!\\.)[a-z])"
+
+#ifdef TIGHT_PARSER
+static int
+parse_era1_cb(VALUE m, VALUE hash)
+{
+ return 1;
+}
+
+static int
+parse_era1(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ BEGIN_ERA "(a(?:d\\b|\\.d\\.))" END_ERA;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBA(str, pat, parse_era1_cb);
+}
+
+static int
+parse_era2_cb(VALUE m, VALUE hash)
+{
+ VALUE b;
+
+ b = rb_reg_nth_match(1, m);
+ if (*RSTRING_PTR(b) == 'B' ||
+ *RSTRING_PTR(b) == 'b')
+ set_hash("_bc", Qtrue);
+ return 1;
+}
+
+static int
+parse_era2(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = BEGIN_ERA
+ "(c(?:e\\b|\\.e\\.)|b(?:ce\\b|\\.c\\.e\\.)|b(?:c\\b|\\.c\\.))"
+ END_ERA;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBB(str, pat, parse_era2_cb);
+}
+
+static int
+parse_era(VALUE str, VALUE hash)
+{
+ if (parse_era1(str, hash)) /* pre */
+ goto ok;
+ if (parse_era2(str, hash)) /* post */
+ goto ok;
+ return 0;
+ ok:
+ return 1;
+}
+#endif
+
+#ifdef TIGHT_PARSER
+static int
+check_year_width(VALUE y)
+{
+ const char *s;
+ long l;
+
+ l = RSTRING_LEN(y);
+ if (l < 2) return 0;
+ s = RSTRING_PTR(y);
+ if (!isdigit((unsigned char)s[1])) return 0;
+ return (l == 2 || !isdigit((unsigned char)s[2]));
+}
+
+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)
+{
+#ifndef TIGHT_PARSER
+ VALUE y, mon, d, b;
+
+ d = rb_reg_nth_match(1, m);
+ mon = rb_reg_nth_match(2, m);
+ b = rb_reg_nth_match(3, m);
+ y = rb_reg_nth_match(4, m);
+
+ mon = INT2FIX(mon_num(mon));
+
+ s3e(hash, y, mon, d, !NIL_P(b) &&
+ (*RSTRING_PTR(b) == 'B' ||
+ *RSTRING_PTR(b) == 'b'));
+#else
+ VALUE y, mon, d;
+
+ d = rb_reg_nth_match(1, m);
+ 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);
+#endif
+ return 1;
+}
+
+static int
+parse_eu(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifdef TIGHT_PARSER
+ BOS
+ FPW_COM FPT_COM
+#endif
+#ifndef TIGHT_PARSER
+ "('?" NUMBER "+)[^-\\d\\s]*"
+#else
+ "(\\d+)(?:(?:st|nd|rd|th)\\b)?"
+#endif
+ "\\s*"
+#ifndef TIGHT_PARSER
+ "(" ABBR_MONTHS ")[^-\\d\\s']*"
+#else
+ "(" VALID_MONTHS ")"
+#endif
+ "(?:"
+ "\\s*"
+#ifndef TIGHT_PARSER
+ "(?:"
+ BEGIN_ERA
+ "(c(?:e|\\.e\\.)|b(?:ce|\\.c\\.e\\.)|a(?:d|\\.d\\.)|b(?:c|\\.c\\.))"
+ END_ERA
+ ")?"
+ "\\s*"
+ "('?-?\\d+(?:(?:st|nd|rd|th)\\b)?)"
+#else
+ "(?:" FPA ")?"
+ "\\s*"
+ "([-']?\\d+)"
+ "\\s*"
+ "(?:" FPA "|" FPB ")?"
+#endif
+ ")?"
+#ifdef TIGHT_PARSER
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_eu_cb);
+}
+
+static int
+parse_us_cb(VALUE m, VALUE hash)
+{
+#ifndef TIGHT_PARSER
+ VALUE y, mon, d, b;
+
+ mon = rb_reg_nth_match(1, m);
+ d = rb_reg_nth_match(2, m);
+
+ b = rb_reg_nth_match(3, m);
+ y = rb_reg_nth_match(4, m);
+
+ mon = INT2FIX(mon_num(mon));
+
+ s3e(hash, y, mon, d, !NIL_P(b) &&
+ (*RSTRING_PTR(b) == 'B' ||
+ *RSTRING_PTR(b) == 'b'));
+#else
+ VALUE y, mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ 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);
+#endif
+ return 1;
+}
+
+static int
+parse_us(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifdef TIGHT_PARSER
+ BOS
+ FPW_COM FPT_COM
+#endif
+#ifndef TIGHT_PARSER
+ "\\b(" ABBR_MONTHS ")[^-\\d\\s']*"
+#else
+ "\\b(" VALID_MONTHS ")"
+#endif
+ "\\s*"
+#ifndef TIGHT_PARSER
+ "('?\\d+)[^-\\d\\s']*"
+#else
+ "('?\\d+)(?:(?:st|nd|rd|th)\\b)?"
+ COM_FPT
+#endif
+ "(?:"
+ "\\s*+,?"
+ "\\s*+"
+#ifndef TIGHT_PARSER
+ "(c(?:e|\\.e\\.)|b(?:ce|\\.c\\.e\\.)|a(?:d|\\.d\\.)|b(?:c|\\.c\\.))?"
+ "\\s*"
+ "('?-?\\d+)"
+#else
+ "(?:" FPA ")?"
+ "\\s*"
+ "([-']?\\d+)"
+ "\\s*"
+ "(?:" FPA "|" FPB ")?"
+#endif
+ ")?"
+#ifdef TIGHT_PARSER
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_us_cb);
+}
+
+static int
+parse_iso_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ y = rb_reg_nth_match(1, m);
+ mon = rb_reg_nth_match(2, m);
+ d = rb_reg_nth_match(3, m);
+
+#ifdef TIGHT_PARSER
+ if (!check_apost(y, mon, d))
+ return 0;
+#endif
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_iso(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "('?[-+]?" NUMBER "+)-(\\d+)-('?-?\\d+)"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "([-+']?\\d+)-(\\d+)-([-']?\\d+)"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_iso_cb);
+}
+
+static int
+parse_iso21_cb(VALUE m, VALUE hash)
+{
+ VALUE y, w, d;
+
+ y = rb_reg_nth_match(1, m);
+ w = rb_reg_nth_match(2, m);
+ d = rb_reg_nth_match(3, m);
+
+ if (!NIL_P(y))
+ set_hash("cwyear", str2num(y));
+ set_hash("cweek", str2num(w));
+ if (!NIL_P(d))
+ set_hash("cwday", str2num(d));
+
+ return 1;
+}
+
+static int
+parse_iso21(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b(\\d{2}|\\d{4})?-?w(\\d{2})(?:-?(\\d))?\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "(\\d{2}|\\d{4})?-?w(\\d{2})(?:-?(\\d))?"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_iso21_cb);
+}
+
+static int
+parse_iso22_cb(VALUE m, VALUE hash)
+{
+ VALUE d;
+
+ d = rb_reg_nth_match(1, m);
+ set_hash("cwday", str2num(d));
+ return 1;
+}
+
+static int
+parse_iso22(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "-w-(\\d)\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "-w-(\\d)"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_iso22_cb);
+}
+
+static int
+parse_iso23_cb(VALUE m, VALUE hash)
+{
+ VALUE mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ d = rb_reg_nth_match(2, m);
+
+ if (!NIL_P(mon))
+ set_hash("mon", str2num(mon));
+ set_hash("mday", str2num(d));
+
+ return 1;
+}
+
+static int
+parse_iso23(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "--(\\d{2})?-(\\d{2})\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "--(\\d{2})?-(\\d{2})"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_iso23_cb);
+}
+
+static int
+parse_iso24_cb(VALUE m, VALUE hash)
+{
+ VALUE mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ d = rb_reg_nth_match(2, m);
+
+ set_hash("mon", str2num(mon));
+ if (!NIL_P(d))
+ set_hash("mday", str2num(d));
+
+ return 1;
+}
+
+static int
+parse_iso24(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "--(\\d{2})(\\d{2})?\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "--(\\d{2})(\\d{2})?"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_iso24_cb);
+}
+
+static int
+parse_iso25_cb(VALUE m, VALUE hash)
+{
+ VALUE y, d;
+
+ y = rb_reg_nth_match(1, m);
+ d = rb_reg_nth_match(2, m);
+
+ set_hash("year", str2num(y));
+ set_hash("yday", str2num(d));
+
+ return 1;
+}
+
+static int
+parse_iso25(VALUE str, VALUE hash)
+{
+ static const char pat0_source[] =
+#ifndef TIGHT_PARSER
+ "[,.](\\d{2}|\\d{4})-\\d{3}\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "[,.](\\d{2}|\\d{4})-\\d{3}"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat0 = Qnil;
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b(\\d{2}|\\d{4})-(\\d{3})\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "(\\d{2}|\\d{4})-(\\d{3})"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat0);
+ REGCOMP_0(pat);
+
+ if (!NIL_P(f_match(pat0, str)))
+ return 0;
+ SUBS(str, pat, parse_iso25_cb);
+}
+
+static int
+parse_iso26_cb(VALUE m, VALUE hash)
+{
+ VALUE d;
+
+ d = rb_reg_nth_match(1, m);
+ set_hash("yday", str2num(d));
+
+ return 1;
+}
+static int
+parse_iso26(VALUE str, VALUE hash)
+{
+ static const char pat0_source[] =
+#ifndef TIGHT_PARSER
+ "\\d-\\d{3}\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "\\d-\\d{3}"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat0 = Qnil;
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b-(\\d{3})\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "-(\\d{3})"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat0);
+ REGCOMP_0(pat);
+
+ if (!NIL_P(f_match(pat0, str)))
+ return 0;
+ SUBS(str, pat, parse_iso26_cb);
+}
+
+static int
+parse_iso2(VALUE str, VALUE hash)
+{
+ if (parse_iso21(str, hash))
+ goto ok;
+ if (parse_iso22(str, hash))
+ goto ok;
+ if (parse_iso23(str, hash))
+ goto ok;
+ if (parse_iso24(str, hash))
+ goto ok;
+ if (parse_iso25(str, hash))
+ goto ok;
+ if (parse_iso26(str, hash))
+ goto ok;
+ return 0;
+
+ ok:
+ return 1;
+}
+
+#define JISX0301_ERA_INITIALS "mtshr"
+#define JISX0301_DEFAULT_ERA 'H' /* obsolete */
+
+static int
+gengo(int c)
+{
+ int e;
+
+ switch (c) {
+ case 'M': case 'm': e = 1867; break;
+ case 'T': case 't': e = 1911; break;
+ case 'S': case 's': e = 1925; break;
+ case 'H': case 'h': e = 1988; break;
+ case 'R': case 'r': e = 2018; break;
+ default: e = 0; break;
+ }
+ return e;
+}
+
+static int
+parse_jis_cb(VALUE m, VALUE hash)
+{
+ VALUE e, y, mon, d;
+ int ep;
+
+ e = rb_reg_nth_match(1, m);
+ y = rb_reg_nth_match(2, m);
+ mon = rb_reg_nth_match(3, m);
+ d = rb_reg_nth_match(4, m);
+
+ ep = gengo(*RSTRING_PTR(e));
+
+ set_hash("year", f_add(str2num(y), INT2FIX(ep)));
+ set_hash("mon", str2num(mon));
+ set_hash("mday", str2num(d));
+
+ return 1;
+}
+
+static int
+parse_jis(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b([" JISX0301_ERA_INITIALS "])(\\d+)\\.(\\d+)\\.(\\d+)"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "([" JISX0301_ERA_INITIALS "])(\\d+)\\.(\\d+)\\.(\\d+)"
+ TEE_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_jis_cb);
+}
+
+static int
+parse_vms11_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ d = rb_reg_nth_match(1, m);
+ mon = rb_reg_nth_match(2, m);
+ y = rb_reg_nth_match(3, m);
+
+#ifdef TIGHT_PARSER
+ if (!check_apost(d, mon, y))
+ return 0;
+#endif
+
+ mon = INT2FIX(mon_num(mon));
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_vms11(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "('?-?" NUMBER "+)-(" ABBR_MONTHS ")[^-/.]*"
+ "-('?-?\\d+)"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "([-']?\\d+)-(" DOTLESS_VALID_MONTHS ")"
+ "-([-']?\\d+)"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_vms11_cb);
+}
+
+static int
+parse_vms12_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ d = rb_reg_nth_match(2, m);
+ y = rb_reg_nth_match(3, m);
+
+#ifdef TIGHT_PARSER
+ if (!check_apost(mon, d, y))
+ return 0;
+#endif
+
+ mon = INT2FIX(mon_num(mon));
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_vms12(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b(" ABBR_MONTHS ")[^-/.]*"
+ "-('?-?\\d+)(?:-('?-?\\d+))?"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "(" DOTLESS_VALID_MONTHS ")"
+ "-([-']?\\d+)(?:-([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_vms12_cb);
+}
+
+static int
+parse_vms(VALUE str, VALUE hash)
+{
+ if (parse_vms11(str, hash))
+ goto ok;
+ if (parse_vms12(str, hash))
+ goto ok;
+ return 0;
+
+ ok:
+ return 1;
+}
+
+static int
+parse_sla_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ y = rb_reg_nth_match(1, m);
+ mon = rb_reg_nth_match(2, m);
+ d = rb_reg_nth_match(3, m);
+
+#ifdef TIGHT_PARSER
+ if (!check_apost(y, mon, d))
+ return 0;
+#endif
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_sla(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "('?-?" NUMBER "+)/\\s*('?\\d+)(?:\\D\\s*('?-?\\d+))?"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "([-']?\\d+)/\\s*('?\\d+)(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_sla_cb);
+}
+
+#ifdef TIGHT_PARSER
+static int
+parse_sla2_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ d = rb_reg_nth_match(1, m);
+ 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);
+ return 1;
+}
+
+static int
+parse_sla2(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ BOS
+ FPW_COM FPT_COM
+ "([-']?\\d+)/\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_sla2_cb);
+}
+
+static int
+parse_sla3_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ 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);
+ return 1;
+}
+
+static int
+parse_sla3(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ BOS
+ FPW_COM FPT_COM
+ "(" DOTLESS_VALID_MONTHS ")/\\s*([-']?\\d+)(?:(?:[-/]|\\s+)\\s*([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_sla3_cb);
+}
+#endif
+
+static int
+parse_dot_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ y = rb_reg_nth_match(1, m);
+ mon = rb_reg_nth_match(2, m);
+ d = rb_reg_nth_match(3, m);
+
+#ifdef TIGHT_PARSER
+ if (!check_apost(y, mon, d))
+ return 0;
+#endif
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_dot(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "('?-?" NUMBER "+)\\.\\s*('?\\d+)\\.\\s*('?-?\\d+)"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "([-']?\\d+)\\.\\s*(\\d+)\\.\\s*([-']?\\d+)"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_dot_cb);
+}
+
+#ifdef TIGHT_PARSER
+static int
+parse_dot2_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ d = rb_reg_nth_match(1, m);
+ 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);
+ return 1;
+}
+
+static int
+parse_dot2(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ BOS
+ FPW_COM FPT_COM
+ "([-']?\\d+)\\.\\s*(" DOTLESS_VALID_MONTHS ")(?:(?:[./])\\s*([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_dot2_cb);
+}
+
+static int
+parse_dot3_cb(VALUE m, VALUE hash)
+{
+ VALUE y, mon, d;
+
+ mon = rb_reg_nth_match(1, m);
+ 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);
+ return 1;
+}
+
+static int
+parse_dot3(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ BOS
+ FPW_COM FPT_COM
+ "(" DOTLESS_VALID_MONTHS ")\\.\\s*([-']?\\d+)(?:(?:[./])\\s*([-']?\\d+))?"
+ COM_FPT COM_FPW
+ EOS
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_dot3_cb);
+}
+#endif
+
+static int
+parse_year_cb(VALUE m, VALUE hash)
+{
+ VALUE y;
+
+ y = rb_reg_nth_match(1, m);
+ set_hash("year", str2num(y));
+ return 1;
+}
+
+static int
+parse_year(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "'(\\d+)\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "'(\\d+)"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_year_cb);
+}
+
+static int
+parse_mon_cb(VALUE m, VALUE hash)
+{
+ VALUE mon;
+
+ mon = rb_reg_nth_match(1, m);
+ set_hash("mon", INT2FIX(mon_num(mon)));
+ return 1;
+}
+
+static int
+parse_mon(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "\\b(" ABBR_MONTHS ")\\S*"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "(" VALID_MONTHS ")"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_mon_cb);
+}
+
+static int
+parse_mday_cb(VALUE m, VALUE hash)
+{
+ VALUE d;
+
+ d = rb_reg_nth_match(1, m);
+ set_hash("mday", str2num(d));
+ return 1;
+}
+
+static int
+parse_mday(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "(" NUMBER "+)(st|nd|rd|th)\\b"
+#else
+ BOS
+ FPW_COM FPT_COM
+ "(\\d+)(st|nd|rd|th)"
+ COM_FPT COM_FPW
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_mday_cb);
+}
+
+static int
+n2i(const char *s, long f, long w)
+{
+ long e, i;
+ int v;
+
+ e = f + w;
+ v = 0;
+ for (i = f; i < e; i++) {
+ v *= 10;
+ v += s[i] - '0';
+ }
+ return v;
+}
+
+static int
+parse_ddd_cb(VALUE m, VALUE hash)
+{
+ VALUE s1, s2, s3, s4, s5;
+ const char *cs2, *cs3, *cs5;
+ long l2, l3, l4, l5;
+
+ s1 = rb_reg_nth_match(1, m);
+ s2 = rb_reg_nth_match(2, m);
+ s3 = rb_reg_nth_match(3, m);
+ s4 = rb_reg_nth_match(4, m);
+ s5 = rb_reg_nth_match(5, m);
+
+ cs2 = RSTRING_PTR(s2);
+ l2 = RSTRING_LEN(s2);
+
+ switch (l2) {
+ case 2:
+ if (NIL_P(s3) && !NIL_P(s4))
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ else
+ set_hash("mday", INT2FIX(n2i(cs2, 0, 2)));
+ break;
+ case 4:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-4, 2)));
+ }
+ else {
+ set_hash("mon", INT2FIX(n2i(cs2, 0, 2)));
+ set_hash("mday", INT2FIX(n2i(cs2, 2, 2)));
+ }
+ break;
+ case 6:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-4, 2)));
+ set_hash("hour", INT2FIX(n2i(cs2, l2-6, 2)));
+ }
+ else {
+ int y = n2i(cs2, 0, 2);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ set_hash("mon", INT2FIX(n2i(cs2, 2, 2)));
+ set_hash("mday", INT2FIX(n2i(cs2, 4, 2)));
+ }
+ break;
+ case 8:
+ case 10:
+ case 12:
+ case 14:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-4, 2)));
+ set_hash("hour", INT2FIX(n2i(cs2, l2-6, 2)));
+ set_hash("mday", INT2FIX(n2i(cs2, l2-8, 2)));
+ if (l2 >= 10)
+ set_hash("mon", INT2FIX(n2i(cs2, l2-10, 2)));
+ if (l2 == 12) {
+ int y = n2i(cs2, l2-12, 2);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ }
+ if (l2 == 14) {
+ int y = n2i(cs2, l2-14, 4);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ set_hash("_comp", Qfalse);
+ }
+ }
+ else {
+ int y = n2i(cs2, 0, 4);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ set_hash("mon", INT2FIX(n2i(cs2, 4, 2)));
+ set_hash("mday", INT2FIX(n2i(cs2, 6, 2)));
+ if (l2 >= 10)
+ set_hash("hour", INT2FIX(n2i(cs2, 8, 2)));
+ if (l2 >= 12)
+ set_hash("min", INT2FIX(n2i(cs2, 10, 2)));
+ if (l2 >= 14)
+ set_hash("sec", INT2FIX(n2i(cs2, 12, 2)));
+ set_hash("_comp", Qfalse);
+ }
+ break;
+ case 3:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-3, 1)));
+ }
+ else
+ set_hash("yday", INT2FIX(n2i(cs2, 0, 3)));
+ break;
+ case 5:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-4, 2)));
+ set_hash("hour", INT2FIX(n2i(cs2, l2-5, 1)));
+ }
+ else {
+ int y = n2i(cs2, 0, 2);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ set_hash("yday", INT2FIX(n2i(cs2, 2, 3)));
+ }
+ break;
+ case 7:
+ if (NIL_P(s3) && !NIL_P(s4)) {
+ set_hash("sec", INT2FIX(n2i(cs2, l2-2, 2)));
+ set_hash("min", INT2FIX(n2i(cs2, l2-4, 2)));
+ set_hash("hour", INT2FIX(n2i(cs2, l2-6, 2)));
+ set_hash("mday", INT2FIX(n2i(cs2, l2-7, 1)));
+ }
+ else {
+ int y = n2i(cs2, 0, 4);
+ if (!NIL_P(s1) && *RSTRING_PTR(s1) == '-')
+ y = -y;
+ set_hash("year", INT2FIX(y));
+ set_hash("yday", INT2FIX(n2i(cs2, 4, 3)));
+ }
+ break;
+ }
+ RB_GC_GUARD(s2);
+ if (!NIL_P(s3)) {
+ cs3 = RSTRING_PTR(s3);
+ l3 = RSTRING_LEN(s3);
+
+ if (!NIL_P(s4)) {
+ switch (l3) {
+ case 2:
+ case 4:
+ case 6:
+ set_hash("sec", INT2FIX(n2i(cs3, l3-2, 2)));
+ if (l3 >= 4)
+ set_hash("min", INT2FIX(n2i(cs3, l3-4, 2)));
+ if (l3 >= 6)
+ set_hash("hour", INT2FIX(n2i(cs3, l3-6, 2)));
+ break;
+ }
+ }
+ else {
+ switch (l3) {
+ case 2:
+ case 4:
+ case 6:
+ set_hash("hour", INT2FIX(n2i(cs3, 0, 2)));
+ if (l3 >= 4)
+ set_hash("min", INT2FIX(n2i(cs3, 2, 2)));
+ if (l3 >= 6)
+ set_hash("sec", INT2FIX(n2i(cs3, 4, 2)));
+ break;
+ }
+ }
+ RB_GC_GUARD(s3);
+ }
+ if (!NIL_P(s4)) {
+ l4 = RSTRING_LEN(s4);
+
+ set_hash("sec_fraction",
+ rb_rational_new2(str2num(s4),
+ f_expt(INT2FIX(10), LONG2NUM(l4))));
+ }
+ if (!NIL_P(s5)) {
+ cs5 = RSTRING_PTR(s5);
+ l5 = RSTRING_LEN(s5);
+
+ set_hash("zone", s5);
+
+ if (*cs5 == '[') {
+ const char *s1, *s2;
+ VALUE zone;
+
+ l5 -= 2;
+ s1 = cs5 + 1;
+ s2 = memchr(s1, ':', l5);
+ if (s2) {
+ s2++;
+ zone = rb_str_subseq(s5, s2 - cs5, l5 - (s2 - s1));
+ s5 = rb_str_subseq(s5, 1, s2 - s1);
+ }
+ else {
+ zone = rb_str_subseq(s5, 1, l5);
+ if (isdigit((unsigned char)*s1))
+ s5 = rb_str_append(rb_str_new_cstr("+"), zone);
+ else
+ s5 = zone;
+ }
+ set_hash("zone", zone);
+ set_hash("offset", date_zone_to_diff(s5));
+ }
+ RB_GC_GUARD(s5);
+ }
+
+ return 1;
+}
+
+static int
+parse_ddd(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+#ifdef TIGHT_PARSER
+ BOS
+#endif
+ "([-+]?)(" NUMBER "{2,14})"
+ "(?:"
+ "\\s*"
+ "t?"
+ "\\s*"
+ "(\\d{2,6})?(?:[,.](\\d*))?"
+ ")?"
+ "(?:"
+ "\\s*"
+ "("
+ "z\\b"
+ "|"
+ "[-+]\\d{1,4}\\b"
+ "|"
+ "\\[[-+]?\\d[^\\]]*\\]"
+ ")"
+ ")?"
+#ifdef TIGHT_PARSER
+ EOS
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_ddd_cb);
+}
+
+#ifndef TIGHT_PARSER
+static int
+parse_bc_cb(VALUE m, VALUE hash)
+{
+ set_hash("_bc", Qtrue);
+ return 1;
+}
+
+static int
+parse_bc(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\b(bc\\b|bce\\b|b\\.c\\.|b\\.c\\.e\\.)";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_bc_cb);
+}
+
+static int
+parse_frag_cb(VALUE m, VALUE hash)
+{
+ VALUE s, n;
+
+ s = rb_reg_nth_match(1, m);
+
+ if (!NIL_P(ref_hash("hour")) && NIL_P(ref_hash("mday"))) {
+ n = str2num(s);
+ if (f_ge_p(n, INT2FIX(1)) &&
+ f_le_p(n, INT2FIX(31)))
+ set_hash("mday", n);
+ }
+ if (!NIL_P(ref_hash("mday")) && NIL_P(ref_hash("hour"))) {
+ n = str2num(s);
+ if (f_ge_p(n, INT2FIX(0)) &&
+ f_le_p(n, INT2FIX(24)))
+ set_hash("hour", n);
+ }
+
+ return 1;
+}
+
+static int
+parse_frag(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = "\\A\\s*(\\d{1,2})\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_frag_cb);
+}
+#endif
+
+#ifdef TIGHT_PARSER
+static int
+parse_dummy_cb(VALUE m, VALUE hash)
+{
+ return 1;
+}
+
+static int
+parse_wday_only(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = "\\A\\s*" FPW "\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_dummy_cb);
+}
+
+static int
+parse_time_only(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = "\\A\\s*" FPT "\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_dummy_cb);
+}
+
+static int
+parse_wday_and_time(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = "\\A\\s*(" FPW "\\s+" FPT "|" FPT "\\s+" FPW ")\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ SUBS(str, pat, parse_dummy_cb);
+}
+
+static unsigned
+have_invalid_char_p(VALUE s)
+{
+ long i;
+
+ for (i = 0; i < RSTRING_LEN(s); i++)
+ if (iscntrl((unsigned char)RSTRING_PTR(s)[i]) &&
+ !isspace((unsigned char)RSTRING_PTR(s)[i]))
+ return 1;
+ return 0;
+}
+#endif
+
+#define HAVE_ALPHA (1<<0)
+#define HAVE_DIGIT (1<<1)
+#define HAVE_DASH (1<<2)
+#define HAVE_DOT (1<<3)
+#define HAVE_SLASH (1<<4)
+
+static unsigned
+check_class(VALUE s)
+{
+ unsigned flags;
+ long i;
+
+ flags = 0;
+ for (i = 0; i < RSTRING_LEN(s); i++) {
+ if (isalpha((unsigned char)RSTRING_PTR(s)[i]))
+ flags |= HAVE_ALPHA;
+ if (isdigit((unsigned char)RSTRING_PTR(s)[i]))
+ flags |= HAVE_DIGIT;
+ if (RSTRING_PTR(s)[i] == '-')
+ flags |= HAVE_DASH;
+ if (RSTRING_PTR(s)[i] == '.')
+ flags |= HAVE_DOT;
+ if (RSTRING_PTR(s)[i] == '/')
+ flags |= HAVE_SLASH;
+ }
+ return flags;
+}
+
+#define HAVE_ELEM_P(x) ((check_class(str) & (x)) == (x))
+
+#ifdef TIGHT_PARSER
+#define PARSER_ERROR return rb_hash_new()
+#endif
+
+VALUE
+date__parse(VALUE str, VALUE comp)
+{
+ VALUE backref, hash;
+
+#ifdef TIGHT_PARSER
+ if (have_invalid_char_p(str))
+ PARSER_ERROR;
+#endif
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ {
+ static const char pat_source[] =
+#ifndef TIGHT_PARSER
+ "[^-+',./:@[:alnum:]\\[\\]]+"
+#else
+ "[^[:graph:]]+"
+#endif
+ ;
+ static VALUE pat = Qnil;
+
+ REGCOMP_0(pat);
+ str = rb_str_dup(str);
+ f_gsub_bang(str, pat, asp_string());
+ }
+
+ hash = rb_hash_new();
+ set_hash("_comp", comp);
+
+ if (HAVE_ELEM_P(HAVE_ALPHA))
+ parse_day(str, hash);
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ parse_time(str, hash);
+
+#ifdef TIGHT_PARSER
+ if (HAVE_ELEM_P(HAVE_ALPHA))
+ parse_era(str, hash);
+#endif
+
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT)) {
+ if (parse_eu(str, hash))
+ goto ok;
+ if (parse_us(str, hash))
+ goto ok;
+ }
+ if (HAVE_ELEM_P(HAVE_DIGIT|HAVE_DASH))
+ if (parse_iso(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_DIGIT|HAVE_DOT))
+ if (parse_jis(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT|HAVE_DASH))
+ if (parse_vms(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_DIGIT|HAVE_SLASH))
+ if (parse_sla(str, hash))
+ goto ok;
+#ifdef TIGHT_PARSER
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT|HAVE_SLASH)) {
+ if (parse_sla2(str, hash))
+ goto ok;
+ if (parse_sla3(str, hash))
+ goto ok;
+ }
+#endif
+ if (HAVE_ELEM_P(HAVE_DIGIT|HAVE_DOT))
+ if (parse_dot(str, hash))
+ goto ok;
+#ifdef TIGHT_PARSER
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT|HAVE_DOT)) {
+ if (parse_dot2(str, hash))
+ goto ok;
+ if (parse_dot3(str, hash))
+ goto ok;
+ }
+#endif
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ if (parse_iso2(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ if (parse_year(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_ALPHA))
+ if (parse_mon(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ if (parse_mday(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ if (parse_ddd(str, hash))
+ goto ok;
+
+#ifdef TIGHT_PARSER
+ if (parse_wday_only(str, hash))
+ goto ok;
+ if (parse_time_only(str, hash))
+ goto ok;
+ if (parse_wday_and_time(str, hash))
+ goto ok;
+
+ PARSER_ERROR; /* not found */
+#endif
+
+ ok:
+#ifndef TIGHT_PARSER
+ if (HAVE_ELEM_P(HAVE_ALPHA))
+ parse_bc(str, hash);
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ parse_frag(str, hash);
+#endif
+
+ {
+ if (RTEST(del_hash("_bc"))) {
+ VALUE y;
+
+ y = ref_hash("cwyear");
+ if (!NIL_P(y)) {
+ y = f_add(f_negate(y), INT2FIX(1));
+ set_hash("cwyear", y);
+ }
+ y = ref_hash("year");
+ if (!NIL_P(y)) {
+ y = f_add(f_negate(y), INT2FIX(1));
+ set_hash("year", y);
+ }
+ }
+
+ if (RTEST(del_hash("_comp"))) {
+ VALUE y;
+
+ y = ref_hash("cwyear");
+ if (!NIL_P(y))
+ if (f_ge_p(y, INT2FIX(0)) && f_le_p(y, INT2FIX(99))) {
+ if (f_ge_p(y, INT2FIX(69)))
+ set_hash("cwyear", f_add(y, INT2FIX(1900)));
+ else
+ set_hash("cwyear", f_add(y, INT2FIX(2000)));
+ }
+ y = ref_hash("year");
+ if (!NIL_P(y))
+ if (f_ge_p(y, INT2FIX(0)) && f_le_p(y, INT2FIX(99))) {
+ if (f_ge_p(y, INT2FIX(69)))
+ set_hash("year", f_add(y, INT2FIX(1900)));
+ else
+ set_hash("year", f_add(y, INT2FIX(2000)));
+ }
+ }
+
+ }
+
+ {
+ VALUE zone = ref_hash("zone");
+ if (!NIL_P(zone) && NIL_P(ref_hash("offset")))
+ set_hash("offset", date_zone_to_diff(zone));
+ }
+
+ rb_backref_set(backref);
+
+ return hash;
+}
+
+static VALUE
+comp_year69(VALUE y)
+{
+ if (f_ge_p(y, INT2FIX(69)))
+ return f_add(y, INT2FIX(1900));
+ return f_add(y, INT2FIX(2000));
+}
+
+static VALUE
+comp_year50(VALUE y)
+{
+ if (f_ge_p(y, INT2FIX(50)))
+ return f_add(y, INT2FIX(1900));
+ return f_add(y, INT2FIX(2000));
+}
+
+static VALUE
+sec_fraction(VALUE f)
+{
+ return rb_rational_new2(str2num(f),
+ f_expt(INT2FIX(10),
+ LONG2NUM(RSTRING_LEN(f))));
+}
+
+#define SNUM 14
+
+static int
+iso8601_ext_datetime_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1], y;
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ if (!NIL_P(s[1])) {
+ if (!NIL_P(s[3])) set_hash("mday", str2num(s[3]));
+ if (strcmp(RSTRING_PTR(s[1]), "-") != 0) {
+ y = str2num(s[1]);
+ if (RSTRING_LEN(s[1]) < 4)
+ y = comp_year69(y);
+ set_hash("year", y);
+ }
+ if (NIL_P(s[2])) {
+ if (strcmp(RSTRING_PTR(s[1]), "-") != 0)
+ return 0;
+ }
+ else
+ set_hash("mon", str2num(s[2]));
+ }
+ else if (!NIL_P(s[5])) {
+ set_hash("yday", str2num(s[5]));
+ if (!NIL_P(s[4])) {
+ y = str2num(s[4]);
+ if (RSTRING_LEN(s[4]) < 4)
+ y = comp_year69(y);
+ set_hash("year", y);
+ }
+ }
+ else if (!NIL_P(s[8])) {
+ set_hash("cweek", str2num(s[7]));
+ set_hash("cwday", str2num(s[8]));
+ if (!NIL_P(s[6])) {
+ y = str2num(s[6]);
+ if (RSTRING_LEN(s[6]) < 4)
+ y = comp_year69(y);
+ set_hash("cwyear", y);
+ }
+ }
+ else if (!NIL_P(s[9])) {
+ set_hash("cwday", str2num(s[9]));
+ }
+ if (!NIL_P(s[10])) {
+ set_hash("hour", str2num(s[10]));
+ set_hash("min", str2num(s[11]));
+ if (!NIL_P(s[12]))
+ set_hash("sec", str2num(s[12]));
+ }
+ if (!NIL_P(s[13])) {
+ set_hash("sec_fraction", sec_fraction(s[13]));
+ }
+ if (!NIL_P(s[14])) {
+ set_hash("zone", s[14]);
+ set_hash("offset", date_zone_to_diff(s[14]));
+ }
+
+ return 1;
+}
+
+static int
+iso8601_ext_datetime(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(?:([-+]?\\d{2,}|-)-(\\d{2})?(?:-(\\d{2}))?|"
+ "([-+]?\\d{2,})?-(\\d{3})|"
+ "(\\d{4}|\\d{2})?-w(\\d{2})-(\\d)|"
+ "-w-(\\d))"
+ "(?:t"
+ "(\\d{2}):(\\d{2})(?::(\\d{2})(?:[,.](\\d+))?)?"
+ "(z|[-+]\\d{2}(?::?\\d{2})?)?)?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, iso8601_ext_datetime_cb);
+}
+
+#undef SNUM
+#define SNUM 17
+
+static int
+iso8601_bas_datetime_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1], y;
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ if (!NIL_P(s[3])) {
+ set_hash("mday", str2num(s[3]));
+ if (strcmp(RSTRING_PTR(s[1]), "--") != 0) {
+ y = str2num(s[1]);
+ if (RSTRING_LEN(s[1]) < 4)
+ y = comp_year69(y);
+ set_hash("year", y);
+ }
+ if (*RSTRING_PTR(s[2]) == '-') {
+ if (strcmp(RSTRING_PTR(s[1]), "--") != 0)
+ return 0;
+ }
+ else
+ set_hash("mon", str2num(s[2]));
+ }
+ else if (!NIL_P(s[5])) {
+ set_hash("yday", str2num(s[5]));
+ y = str2num(s[4]);
+ if (RSTRING_LEN(s[4]) < 4)
+ y = comp_year69(y);
+ set_hash("year", y);
+ }
+ else if (!NIL_P(s[6])) {
+ set_hash("yday", str2num(s[6]));
+ }
+ else if (!NIL_P(s[9])) {
+ set_hash("cweek", str2num(s[8]));
+ set_hash("cwday", str2num(s[9]));
+ y = str2num(s[7]);
+ if (RSTRING_LEN(s[7]) < 4)
+ y = comp_year69(y);
+ set_hash("cwyear", y);
+ }
+ else if (!NIL_P(s[11])) {
+ set_hash("cweek", str2num(s[10]));
+ set_hash("cwday", str2num(s[11]));
+ }
+ else if (!NIL_P(s[12])) {
+ set_hash("cwday", str2num(s[12]));
+ }
+ if (!NIL_P(s[13])) {
+ set_hash("hour", str2num(s[13]));
+ set_hash("min", str2num(s[14]));
+ if (!NIL_P(s[15]))
+ set_hash("sec", str2num(s[15]));
+ }
+ if (!NIL_P(s[16])) {
+ set_hash("sec_fraction", sec_fraction(s[16]));
+ }
+ if (!NIL_P(s[17])) {
+ set_hash("zone", s[17]);
+ set_hash("offset", date_zone_to_diff(s[17]));
+ }
+
+ return 1;
+}
+
+static int
+iso8601_bas_datetime(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(?:([-+]?(?:\\d{4}|\\d{2})|--)(\\d{2}|-)(\\d{2})|"
+ "([-+]?(?:\\d{4}|\\d{2}))(\\d{3})|"
+ "-(\\d{3})|"
+ "(\\d{4}|\\d{2})w(\\d{2})(\\d)|"
+ "-w(\\d{2})(\\d)|"
+ "-w-(\\d))"
+ "(?:t?"
+ "(\\d{2})(\\d{2})(?:(\\d{2})(?:[,.](\\d+))?)?"
+ "(z|[-+]\\d{2}(?:\\d{2})?)?)?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, iso8601_bas_datetime_cb);
+}
+
+#undef SNUM
+#define SNUM 5
+
+static int
+iso8601_ext_time_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("hour", str2num(s[1]));
+ set_hash("min", str2num(s[2]));
+ if (!NIL_P(s[3]))
+ set_hash("sec", str2num(s[3]));
+ if (!NIL_P(s[4]))
+ set_hash("sec_fraction", sec_fraction(s[4]));
+ if (!NIL_P(s[5])) {
+ set_hash("zone", s[5]);
+ set_hash("offset", date_zone_to_diff(s[5]));
+ }
+
+ return 1;
+}
+
+#define iso8601_bas_time_cb iso8601_ext_time_cb
+
+static int
+iso8601_ext_time(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(\\d{2}):(\\d{2})(?::(\\d{2})(?:[,.](\\d+))?"
+ "(z|[-+]\\d{2}(:?\\d{2})?)?)?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, iso8601_ext_time_cb);
+}
+
+static int
+iso8601_bas_time(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(\\d{2})(\\d{2})(?:(\\d{2})(?:[,.](\\d+))?"
+ "(z|[-+]\\d{2}(\\d{2})?)?)?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, iso8601_bas_time_cb);
+}
+
+VALUE
+date__iso8601(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+
+ if (iso8601_ext_datetime(str, hash))
+ goto ok;
+ if (iso8601_bas_datetime(str, hash))
+ goto ok;
+ if (iso8601_ext_time(str, hash))
+ goto ok;
+ if (iso8601_bas_time(str, hash))
+ goto ok;
+
+ ok:
+ rb_backref_set(backref);
+
+ return hash;
+}
+
+#undef SNUM
+#define SNUM 8
+
+static int
+rfc3339_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("year", str2num(s[1]));
+ set_hash("mon", str2num(s[2]));
+ set_hash("mday", str2num(s[3]));
+ set_hash("hour", str2num(s[4]));
+ set_hash("min", str2num(s[5]));
+ set_hash("sec", str2num(s[6]));
+ set_hash("zone", s[8]);
+ set_hash("offset", date_zone_to_diff(s[8]));
+ if (!NIL_P(s[7]))
+ set_hash("sec_fraction", sec_fraction(s[7]));
+
+ return 1;
+}
+
+static int
+rfc3339(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(-?\\d{4})-(\\d{2})-(\\d{2})"
+ "(?:t|\\s)"
+ "(\\d{2}):(\\d{2}):(\\d{2})(?:\\.(\\d+))?"
+ "(z|[-+]\\d{2}:\\d{2})\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, rfc3339_cb);
+}
+
+VALUE
+date__rfc3339(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+ rfc3339(str, hash);
+ rb_backref_set(backref);
+ return hash;
+}
+
+#undef SNUM
+#define SNUM 8
+
+static int
+xmlschema_datetime_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("year", str2num(s[1]));
+ if (!NIL_P(s[2]))
+ set_hash("mon", str2num(s[2]));
+ if (!NIL_P(s[3]))
+ set_hash("mday", str2num(s[3]));
+ if (!NIL_P(s[4]))
+ set_hash("hour", str2num(s[4]));
+ if (!NIL_P(s[5]))
+ set_hash("min", str2num(s[5]));
+ if (!NIL_P(s[6]))
+ set_hash("sec", str2num(s[6]));
+ if (!NIL_P(s[7]))
+ set_hash("sec_fraction", sec_fraction(s[7]));
+ if (!NIL_P(s[8])) {
+ set_hash("zone", s[8]);
+ set_hash("offset", date_zone_to_diff(s[8]));
+ }
+
+ return 1;
+}
+
+static int
+xmlschema_datetime(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(-?\\d{4,})(?:-(\\d{2})(?:-(\\d{2}))?)?"
+ "(?:t"
+ "(\\d{2}):(\\d{2}):(\\d{2})(?:\\.(\\d+))?)?"
+ "(z|[-+]\\d{2}:\\d{2})?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, xmlschema_datetime_cb);
+}
+
+#undef SNUM
+#define SNUM 5
+
+static int
+xmlschema_time_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("hour", str2num(s[1]));
+ set_hash("min", str2num(s[2]));
+ if (!NIL_P(s[3]))
+ set_hash("sec", str2num(s[3]));
+ if (!NIL_P(s[4]))
+ set_hash("sec_fraction", sec_fraction(s[4]));
+ if (!NIL_P(s[5])) {
+ set_hash("zone", s[5]);
+ set_hash("offset", date_zone_to_diff(s[5]));
+ }
+
+ return 1;
+}
+
+static int
+xmlschema_time(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(\\d{2}):(\\d{2}):(\\d{2})(?:\\.(\\d+))?"
+ "(z|[-+]\\d{2}:\\d{2})?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, xmlschema_time_cb);
+}
+
+#undef SNUM
+#define SNUM 4
+
+static int
+xmlschema_trunc_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ if (!NIL_P(s[1]))
+ set_hash("mon", str2num(s[1]));
+ if (!NIL_P(s[2]))
+ set_hash("mday", str2num(s[2]));
+ if (!NIL_P(s[3]))
+ set_hash("mday", str2num(s[3]));
+ if (!NIL_P(s[4])) {
+ set_hash("zone", s[4]);
+ set_hash("offset", date_zone_to_diff(s[4]));
+ }
+
+ return 1;
+}
+
+static int
+xmlschema_trunc(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(?:--(\\d{2})(?:-(\\d{2}))?|---(\\d{2}))"
+ "(z|[-+]\\d{2}:\\d{2})?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, xmlschema_trunc_cb);
+}
+
+VALUE
+date__xmlschema(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+
+ if (xmlschema_datetime(str, hash))
+ goto ok;
+ if (xmlschema_time(str, hash))
+ goto ok;
+ if (xmlschema_trunc(str, hash))
+ goto ok;
+
+ ok:
+ rb_backref_set(backref);
+
+ return hash;
+}
+
+#undef SNUM
+#define SNUM 8
+
+static int
+rfc2822_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1], y;
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ if (!NIL_P(s[1])) {
+ set_hash("wday", INT2FIX(day_num(s[1])));
+ }
+ set_hash("mday", str2num(s[2]));
+ set_hash("mon", INT2FIX(mon_num(s[3])));
+ y = str2num(s[4]);
+ if (RSTRING_LEN(s[4]) < 4)
+ y = comp_year50(y);
+ set_hash("year", y);
+ set_hash("hour", str2num(s[5]));
+ set_hash("min", str2num(s[6]));
+ if (!NIL_P(s[7]))
+ set_hash("sec", str2num(s[7]));
+ set_hash("zone", s[8]);
+ set_hash("offset", date_zone_to_diff(s[8]));
+
+ return 1;
+}
+
+static int
+rfc2822(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(?:(" ABBR_DAYS ")\\s*,\\s+)?"
+ "(\\d{1,2})\\s+"
+ "(" ABBR_MONTHS ")\\s+"
+ "(-?\\d{2,})\\s+"
+ "(\\d{2}):(\\d{2})(?::(\\d{2}))?\\s*"
+ "([-+]\\d{4}|ut|gmt|e[sd]t|c[sd]t|m[sd]t|p[sd]t|[a-ik-z])\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, rfc2822_cb);
+}
+
+VALUE
+date__rfc2822(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+ rfc2822(str, hash);
+ rb_backref_set(backref);
+ return hash;
+}
+
+#undef SNUM
+#define SNUM 8
+
+static int
+httpdate_type1_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("wday", INT2FIX(day_num(s[1])));
+ set_hash("mday", str2num(s[2]));
+ set_hash("mon", INT2FIX(mon_num(s[3])));
+ set_hash("year", str2num(s[4]));
+ set_hash("hour", str2num(s[5]));
+ set_hash("min", str2num(s[6]));
+ set_hash("sec", str2num(s[7]));
+ set_hash("zone", s[8]);
+ set_hash("offset", INT2FIX(0));
+
+ return 1;
+}
+
+static int
+httpdate_type1(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(" ABBR_DAYS ")\\s*,\\s+"
+ "(\\d{2})\\s+"
+ "(" ABBR_MONTHS ")\\s+"
+ "(-?\\d{4})\\s+"
+ "(\\d{2}):(\\d{2}):(\\d{2})\\s+"
+ "(gmt)\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, httpdate_type1_cb);
+}
+
+#undef SNUM
+#define SNUM 8
+
+static int
+httpdate_type2_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1], y;
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("wday", INT2FIX(day_num(s[1])));
+ set_hash("mday", str2num(s[2]));
+ set_hash("mon", INT2FIX(mon_num(s[3])));
+ y = str2num(s[4]);
+ if (f_ge_p(y, INT2FIX(0)) && f_le_p(y, INT2FIX(99)))
+ y = comp_year69(y);
+ set_hash("year", y);
+ set_hash("hour", str2num(s[5]));
+ set_hash("min", str2num(s[6]));
+ set_hash("sec", str2num(s[7]));
+ set_hash("zone", s[8]);
+ set_hash("offset", INT2FIX(0));
+
+ return 1;
+}
+
+static int
+httpdate_type2(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(" DAYS ")\\s*,\\s+"
+ "(\\d{2})\\s*-\\s*"
+ "(" ABBR_MONTHS ")\\s*-\\s*"
+ "(\\d{2})\\s+"
+ "(\\d{2}):(\\d{2}):(\\d{2})\\s+"
+ "(gmt)\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, httpdate_type2_cb);
+}
+
+#undef SNUM
+#define SNUM 7
+
+static int
+httpdate_type3_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ set_hash("wday", INT2FIX(day_num(s[1])));
+ set_hash("mon", INT2FIX(mon_num(s[2])));
+ set_hash("mday", str2num(s[3]));
+ set_hash("hour", str2num(s[4]));
+ set_hash("min", str2num(s[5]));
+ set_hash("sec", str2num(s[6]));
+ set_hash("year", str2num(s[7]));
+
+ return 1;
+}
+
+static int
+httpdate_type3(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*(" ABBR_DAYS ")\\s+"
+ "(" ABBR_MONTHS ")\\s+"
+ "(\\d{1,2})\\s+"
+ "(\\d{2}):(\\d{2}):(\\d{2})\\s+"
+ "(\\d{4})\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, httpdate_type3_cb);
+}
+
+VALUE
+date__httpdate(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+
+ if (httpdate_type1(str, hash))
+ goto ok;
+ if (httpdate_type2(str, hash))
+ goto ok;
+ if (httpdate_type3(str, hash))
+ goto ok;
+
+ ok:
+ rb_backref_set(backref);
+
+ return hash;
+}
+
+#undef SNUM
+#define SNUM 9
+
+static int
+jisx0301_cb(VALUE m, VALUE hash)
+{
+ VALUE s[SNUM + 1];
+ int ep;
+
+ {
+ int i;
+ s[0] = Qnil;
+ for (i = 1; i <= SNUM; i++)
+ s[i] = rb_reg_nth_match(i, m);
+ }
+
+ ep = gengo(NIL_P(s[1]) ? JISX0301_DEFAULT_ERA : *RSTRING_PTR(s[1]));
+ set_hash("year", f_add(str2num(s[2]), INT2FIX(ep)));
+ set_hash("mon", str2num(s[3]));
+ set_hash("mday", str2num(s[4]));
+ if (!NIL_P(s[5])) {
+ set_hash("hour", str2num(s[5]));
+ if (!NIL_P(s[6]))
+ set_hash("min", str2num(s[6]));
+ if (!NIL_P(s[7]))
+ set_hash("sec", str2num(s[7]));
+ }
+ if (!NIL_P(s[8]))
+ set_hash("sec_fraction", sec_fraction(s[8]));
+ if (!NIL_P(s[9])) {
+ set_hash("zone", s[9]);
+ set_hash("offset", date_zone_to_diff(s[9]));
+ }
+
+ return 1;
+}
+
+static int
+jisx0301(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\A\\s*([" JISX0301_ERA_INITIALS "])?(\\d{2})\\.(\\d{2})\\.(\\d{2})"
+ "(?:t"
+ "(?:(\\d{2}):(\\d{2})(?::(\\d{2})(?:[,.](\\d*))?)?"
+ "(z|[-+]\\d{2}(?::?\\d{2})?)?)?)?\\s*\\z";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ MATCH(str, pat, jisx0301_cb);
+}
+
+VALUE
+date__jisx0301(VALUE str)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ hash = rb_hash_new();
+ if (jisx0301(str, hash))
+ goto ok;
+ hash = date__iso8601(str);
+
+ ok:
+ rb_backref_set(backref);
+ return hash;
+}
+
+/*
+Local variables:
+c-file-style: "ruby"
+End:
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-03 22:36:54 +0000