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-rw-r--r--ruby_1_9_3/ext/date/date_parse.c2425
1 files changed, 2425 insertions, 0 deletions
diff --git a/ruby_1_9_3/ext/date/date_parse.c b/ruby_1_9_3/ext/date/date_parse.c
new file mode 100644
index 0000000000..903163003c
--- /dev/null
+++ b/ruby_1_9_3/ext/date/date_parse.c
@@ -0,0 +1,2425 @@
+/*
+ date_parse.c: Coded by Tadayoshi Funaba 2011,2012
+*/
+
+#include "ruby.h"
+#include "ruby/encoding.h"
+#include "ruby/re.h"
+#include <ctype.h>
+
+#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[] = {
+ "sun", "mon", "tue", "wed",
+ "thu", "fri", "sat"
+};
+
+static const char *abbr_months[] = {
+ "jan", "feb", "mar", "apr", "may", "jun",
+ "jul", "aug", "sep", "oct", "nov", "dec"
+};
+
+#define issign(c) ((c) == '-' || (c) == '+')
+#define asp_string() rb_str_new(" ", 1)
+
+static void
+s3e(VALUE hash, VALUE y, VALUE m, VALUE d, int bc)
+{
+ VALUE c = Qnil;
+
+ if (TYPE(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_PTR(d) == '\'') {
+ y = d;
+ d = Qnil;
+ }
+ }
+
+ if (!NIL_P(y)) {
+ const char *s, *bp, *ep;
+ size_t l;
+
+ s = RSTRING_PTR(y);
+ while (!issign(*s) && !isdigit(*s))
+ s++;
+ bp = s;
+ if (issign(*s))
+ s++;
+ l = strspn(s, "0123456789");
+ ep = s + l;
+ if (*ep) {
+ y = d;
+ d = rb_str_new(bp, ep - bp);
+ }
+ }
+
+ 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);
+ while (!issign(*s) && !isdigit(*s))
+ s++;
+ bp = s;
+ if (issign(*s)) {
+ s++;
+ sign = 1;
+ }
+ if (sign)
+ c = Qfalse;
+ l = strspn(s, "0123456789");
+ ep = s + l;
+ if (l > 2)
+ c = Qfalse;
+ {
+ char *buf;
+
+ buf = ALLOCA_N(char, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ iy = cstr2num(buf);
+ }
+ if (bc)
+ iy = f_add(f_negate(iy), INT2FIX(1));
+ set_hash("year", iy);
+ }
+
+ if (!NIL_P(m)) {
+ const char *s, *bp, *ep;
+ size_t l;
+ VALUE im;
+
+ s = RSTRING_PTR(m);
+ while (!isdigit(*s))
+ s++;
+ bp = s;
+ l = strspn(s, "0123456789");
+ ep = s + l;
+ {
+ char *buf;
+
+ buf = ALLOCA_N(char, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ im = cstr2num(buf);
+ }
+ set_hash("mon", im);
+ }
+
+ if (!NIL_P(d)) {
+ const char *s, *bp, *ep;
+ size_t l;
+ VALUE id;
+
+ s = RSTRING_PTR(d);
+ while (!isdigit(*s))
+ s++;
+ bp = s;
+ l = strspn(s, "0123456789");
+ ep = s + l;
+ {
+ char *buf;
+
+ buf = ALLOCA_N(char, ep - bp + 1);
+ memcpy(buf, bp, ep - bp);
+ buf[ep - bp] = '\0';
+ id = cstr2num(buf);
+ }
+ set_hash("mday", id);
+ }
+
+ 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"
+
+static VALUE
+regcomp(const char *source, long len, int opt)
+{
+ VALUE pat;
+
+ pat = rb_reg_new(source, len, opt);
+ rb_gc_register_mark_object(pat);
+ return pat;
+}
+
+#define REGCOMP(pat,opt) \
+{ \
+ if (NIL_P(pat)) \
+ pat = regcomp(pat##_source, sizeof pat##_source - 1, opt); \
+}
+
+#define REGCOMP_0(pat) REGCOMP(pat, 0)
+#define REGCOMP_I(pat) REGCOMP(pat, ONIG_OPTION_IGNORECASE)
+
+#define MATCH(s,p,c) \
+{ \
+ return match(s, p, hash, c); \
+}
+
+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;
+}
+
+#define SUBS(s,p,c) \
+{ \
+ return subs(s, p, hash, c); \
+}
+
+static int
+subs(VALUE str, 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)), asp_string());
+ (*cb)(m, hash);
+ }
+
+ return 1;
+}
+
+struct zone {
+ const char *name;
+ int offset;
+};
+
+static struct zone zones_source[] = {
+ {"ut", 0*3600}, {"gmt", 0*3600}, {"est", -5*3600}, {"edt", -4*3600},
+ {"cst", -6*3600}, {"cdt", -5*3600}, {"mst", -7*3600}, {"mdt", -6*3600},
+ {"pst", -8*3600}, {"pdt", -7*3600},
+ {"a", 1*3600}, {"b", 2*3600}, {"c", 3*3600}, {"d", 4*3600},
+ {"e", 5*3600}, {"f", 6*3600}, {"g", 7*3600}, {"h", 8*3600},
+ {"i", 9*3600}, {"k", 10*3600}, {"l", 11*3600}, {"m", 12*3600},
+ {"n", -1*3600}, {"o", -2*3600}, {"p", -3*3600}, {"q", -4*3600},
+ {"r", -5*3600}, {"s", -6*3600}, {"t", -7*3600}, {"u", -8*3600},
+ {"v", -9*3600}, {"w", -10*3600}, {"x", -11*3600}, {"y", -12*3600},
+ {"z", 0*3600},
+
+ {"utc", 0*3600}, {"wet", 0*3600},
+ {"at", -2*3600}, {"brst",-2*3600}, {"ndt", -(2*3600+1800)},
+ {"art", -3*3600}, {"adt", -3*3600}, {"brt", -3*3600}, {"clst",-3*3600},
+ {"nst", -(3*3600+1800)},
+ {"ast", -4*3600}, {"clt", -4*3600},
+ {"akdt",-8*3600}, {"ydt", -8*3600},
+ {"akst",-9*3600}, {"hadt",-9*3600}, {"hdt", -9*3600}, {"yst", -9*3600},
+ {"ahst",-10*3600},{"cat",-10*3600}, {"hast",-10*3600},{"hst",-10*3600},
+ {"nt", -11*3600},
+ {"idlw",-12*3600},
+ {"bst", 1*3600}, {"cet", 1*3600}, {"fwt", 1*3600}, {"met", 1*3600},
+ {"mewt", 1*3600}, {"mez", 1*3600}, {"swt", 1*3600}, {"wat", 1*3600},
+ {"west", 1*3600},
+ {"cest", 2*3600}, {"eet", 2*3600}, {"fst", 2*3600}, {"mest", 2*3600},
+ {"mesz", 2*3600}, {"sast", 2*3600}, {"sst", 2*3600},
+ {"bt", 3*3600}, {"eat", 3*3600}, {"eest", 3*3600}, {"msk", 3*3600},
+ {"msd", 4*3600}, {"zp4", 4*3600},
+ {"zp5", 5*3600}, {"ist", (5*3600+1800)},
+ {"zp6", 6*3600},
+ {"wast", 7*3600},
+ {"cct", 8*3600}, {"sgt", 8*3600}, {"wadt", 8*3600},
+ {"jst", 9*3600}, {"kst", 9*3600},
+ {"east",10*3600}, {"gst", 10*3600},
+ {"eadt",11*3600},
+ {"idle",12*3600}, {"nzst",12*3600}, {"nzt", 12*3600},
+ {"nzdt",13*3600},
+
+ {"afghanistan", 16200}, {"alaskan", -32400},
+ {"arab", 10800}, {"arabian", 14400},
+ {"arabic", 10800}, {"atlantic", -14400},
+ {"aus central", 34200}, {"aus eastern", 36000},
+ {"azores", -3600}, {"canada central", -21600},
+ {"cape verde", -3600}, {"caucasus", 14400},
+ {"cen. australia", 34200}, {"central america", -21600},
+ {"central asia", 21600}, {"central europe", 3600},
+ {"central european", 3600}, {"central pacific", 39600},
+ {"central", -21600}, {"china", 28800},
+ {"dateline", -43200}, {"e. africa", 10800},
+ {"e. australia", 36000}, {"e. europe", 7200},
+ {"e. south america", -10800}, {"eastern", -18000},
+ {"egypt", 7200}, {"ekaterinburg", 18000},
+ {"fiji", 43200}, {"fle", 7200},
+ {"greenland", -10800}, {"greenwich", 0},
+ {"gtb", 7200}, {"hawaiian", -36000},
+ {"india", 19800}, {"iran", 12600},
+ {"jerusalem", 7200}, {"korea", 32400},
+ {"mexico", -21600}, {"mid-atlantic", -7200},
+ {"mountain", -25200}, {"myanmar", 23400},
+ {"n. central asia", 21600}, {"nepal", 20700},
+ {"new zealand", 43200}, {"newfoundland", -12600},
+ {"north asia east", 28800}, {"north asia", 25200},
+ {"pacific sa", -14400}, {"pacific", -28800},
+ {"romance", 3600}, {"russian", 10800},
+ {"sa eastern", -10800}, {"sa pacific", -18000},
+ {"sa western", -14400}, {"samoa", -39600},
+ {"se asia", 25200}, {"malay peninsula", 28800},
+ {"south africa", 7200}, {"sri lanka", 21600},
+ {"taipei", 28800}, {"tasmania", 36000},
+ {"tokyo", 32400}, {"tonga", 46800},
+ {"us eastern", -18000}, {"us mountain", -25200},
+ {"vladivostok", 36000}, {"w. australia", 28800},
+ {"w. central africa", 3600}, {"w. europe", 3600},
+ {"west asia", 18000}, {"west pacific", 36000},
+ {"yakutsk", 32400}
+};
+
+VALUE
+date_zone_to_diff(VALUE str)
+{
+ VALUE offset = Qnil;
+
+ long l, i;
+ char *s, *dest, *d;
+ int sp = 1;
+
+ l = RSTRING_LEN(str);
+ s = RSTRING_PTR(str);
+
+ dest = d = ALLOCA_N(char, l + 1);
+
+ for (i = 0; i < l; i++) {
+ if (isspace(s[i]) || s[i] == '\0') {
+ if (!sp)
+ *d++ = ' ';
+ sp = 1;
+ }
+ else {
+ if (isalpha(s[i]))
+ *d++ = tolower(s[i]);
+ else
+ *d++ = s[i];
+ sp = 0;
+ }
+ }
+ if (d > dest) {
+ if (*(d - 1) == ' ')
+ --d;
+ *d = '\0';
+ }
+ str = rb_str_new2(dest);
+ {
+#define STD " standard time"
+#define DST " daylight time"
+ char *ss, *ds;
+ long sl, dl;
+ int dst = 0;
+
+ sl = RSTRING_LEN(str) - (sizeof STD - 1);
+ ss = RSTRING_PTR(str) + sl;
+ dl = RSTRING_LEN(str) - (sizeof DST - 1);
+ ds = RSTRING_PTR(str) + dl;
+
+ if (sl >= 0 && strcmp(ss, STD) == 0) {
+ str = rb_str_new(RSTRING_PTR(str), sl);
+ }
+ else if (dl >= 0 && strcmp(ds, DST) == 0) {
+ str = rb_str_new(RSTRING_PTR(str), dl);
+ dst = 1;
+ }
+#undef STD
+#undef DST
+ else {
+#define DST " dst"
+ char *ds;
+ long dl;
+
+ dl = RSTRING_LEN(str) - (sizeof DST - 1);
+ ds = RSTRING_PTR(str) + dl;
+
+ if (dl >= 0 && strcmp(ds, DST) == 0) {
+ str = rb_str_new(RSTRING_PTR(str), dl);
+ dst = 1;
+ }
+#undef DST
+ }
+ {
+ static VALUE zones = Qnil;
+
+ if (NIL_P(zones)) {
+ int i;
+
+ zones = rb_hash_new();
+ rb_gc_register_mark_object(zones);
+ for (i = 0; i < (int)sizeof_array(zones_source); i++) {
+ VALUE name = rb_str_new2(zones_source[i].name);
+ VALUE offset = INT2FIX(zones_source[i].offset);
+ rb_hash_aset(zones, name, offset);
+ }
+ }
+
+ offset = f_aref(zones, str);
+ if (!NIL_P(offset)) {
+ if (dst)
+ offset = f_add(offset, INT2FIX(3600));
+ goto ok;
+ }
+ }
+ {
+ char *s, *p;
+ VALUE sign;
+ VALUE hour = Qnil, min = Qnil, sec = Qnil;
+ VALUE str_orig;
+
+ s = RSTRING_PTR(str);
+ str_orig = str;
+
+ if (strncmp(s, "gmt", 3) == 0 ||
+ strncmp(s, "utc", 3) == 0)
+ s += 3;
+ if (issign(*s)) {
+ sign = rb_str_new(s, 1);
+ s++;
+
+ str = rb_str_new2(s);
+
+ if (p = strchr(s, ':')) {
+ hour = rb_str_new(s, p - s);
+ s = ++p;
+ if (p = strchr(s, ':')) {
+ min = rb_str_new(s, p - s);
+ s = ++p;
+ if (p = strchr(s, ':')) {
+ sec = rb_str_new(s, p - s);
+ }
+ else
+ sec = rb_str_new2(s);
+ }
+ else
+ min = rb_str_new2(s);
+ RB_GC_GUARD(str_orig);
+ goto num;
+ }
+ if (strpbrk(RSTRING_PTR(str), ",.")) {
+ char *a, *b;
+
+ a = ALLOCA_N(char, RSTRING_LEN(str) + 1);
+ strcpy(a, RSTRING_PTR(str));
+ b = strpbrk(a, ",.");
+ *b = '\0';
+ b++;
+
+ hour = cstr2num(a);
+ min = f_mul(rb_rational_new2
+ (cstr2num(b),
+ f_expt(INT2FIX(10),
+ LONG2NUM((long)strlen(b)))),
+ INT2FIX(60));
+ goto num;
+ }
+ {
+ const char *cs = RSTRING_PTR(str);
+ long cl = RSTRING_LEN(str);
+
+ if (cl % 2) {
+ if (cl >= 1)
+ hour = rb_str_new(&cs[0], 1);
+ if (cl >= 3)
+ min = rb_str_new(&cs[1], 2);
+ if (cl >= 5)
+ min = rb_str_new(&cs[3], 2);
+ }
+ else {
+ if (cl >= 2)
+ hour = rb_str_new(&cs[0], 2);
+ if (cl >= 4)
+ min = rb_str_new(&cs[2], 2);
+ if (cl >= 6)
+ sec = rb_str_new(&cs[4], 2);
+ }
+ goto num;
+ }
+ num:
+ if (NIL_P(hour))
+ offset = INT2FIX(0);
+ else {
+ if (TYPE(hour) == T_STRING)
+ hour = str2num(hour);
+ offset = f_mul(hour, INT2FIX(3600));
+ }
+ if (!NIL_P(min)) {
+ if (TYPE(min) == T_STRING)
+ min = str2num(min);
+ offset = f_add(offset, f_mul(min, INT2FIX(60)));
+ }
+ if (!NIL_P(sec))
+ offset = f_add(offset, str2num(sec));
+ if (!NIL_P(sign) &&
+ RSTRING_LEN(sign) == 1 &&
+ *RSTRING_PTR(sign) == '-')
+ offset = f_negate(offset);
+ }
+ }
+ }
+ 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[] = "\\b(" ABBR_DAYS ")[^-\\d\\s]*";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_day_cb);
+}
+
+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[] =
+ "("
+ "(?:"
+ "\\d+\\s*:\\s*\\d+"
+ "(?:"
+ "\\s*:\\s*\\d+(?:[,.]\\d*)?"
+ ")?"
+ "|"
+ "\\d+\\s*h(?:\\s*\\d+m?(?:\\s*\\d+s?)?)?"
+ ")"
+ "(?:"
+ "\\s*"
+ "[ap](?:m\\b|\\.m\\.)"
+ ")?"
+ "|"
+ "\\d+\\s*[ap](?:m\\b|\\.m\\.)"
+ ")"
+ "(?:"
+ "\\s*"
+ "("
+ "(?:gmt|utc?)?[-+]\\d+(?:[,.:]\\d+(?::\\d+)?)?"
+ "|"
+ "[[:alpha:].\\s]+(?:standard|daylight)\\stime\\b"
+ "|"
+ "[[:alpha:]]+(?:\\sdst)?\\b"
+ ")"
+ ")?";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_time_cb);
+}
+
+static int
+parse_eu_cb(VALUE m, VALUE hash)
+{
+ 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'));
+ return 1;
+}
+
+static int
+parse_eu(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "'?(\\d+)[^-\\d\\s]*"
+ "\\s*"
+ "(" ABBR_MONTHS ")[^-\\d\\s']*"
+ "(?:"
+ "\\s*"
+ "(c(?:e|\\.e\\.)|b(?:ce|\\.c\\.e\\.)|a(?:d|\\.d\\.)|b(?:c|\\.c\\.))?"
+ "\\s*"
+ "('?-?\\d+(?:(?:st|nd|rd|th)\\b)?)"
+ ")?";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_eu_cb);
+}
+
+static int
+parse_us_cb(VALUE m, VALUE hash)
+{
+ 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'));
+ return 1;
+}
+
+static int
+parse_us(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "\\b(" ABBR_MONTHS ")[^-\\d\\s']*"
+ "\\s*"
+ "('?\\d+)[^-\\d\\s']*"
+ "(?:"
+ "\\s*"
+ "(c(?:e|\\.e\\.)|b(?:ce|\\.c\\.e\\.)|a(?:d|\\.d\\.)|b(?:c|\\.c\\.))?"
+ "\\s*"
+ "('?-?\\d+)"
+ ")?";
+ 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);
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_iso(VALUE str, VALUE hash)
+{
+ static const char pat_source[] = "('?[-+]?\\d+)-(\\d+)-('?-?\\d+)";
+ 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[] =
+ "\\b(\\d{2}|\\d{4})?-?w(\\d{2})(?:-?(\\d))?\\b";
+ 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[] = "-w-(\\d)\\b";
+ 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[] = "--(\\d{2})?-(\\d{2})\\b";
+ 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[] = "--(\\d{2})(\\d{2})?\\b";
+ 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[] = "[,.](\\d{2}|\\d{4})-\\d{3}\\b";
+ static VALUE pat0 = Qnil;
+ static const char pat_source[] = "\\b(\\d{2}|\\d{4})-(\\d{3})\\b";
+ 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[] = "\\d-\\d{3}\\b";
+ static VALUE pat0 = Qnil;
+ static const char pat_source[] = "\\b-(\\d{3})\\b";
+ 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;
+}
+
+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;
+ 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[] = "\\b([mtsh])(\\d+)\\.(\\d+)\\.(\\d+)";
+ 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);
+
+ 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[] =
+ "('?-?\\d+)-(" ABBR_MONTHS ")[^-]*"
+ "-('?-?\\d+)";
+ 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);
+
+ 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[] =
+ "\\b(" ABBR_MONTHS ")[^-]*"
+ "-('?-?\\d+)(?:-('?-?\\d+))?";
+ 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);
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_sla(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "('?-?\\d+)/\\s*('?\\d+)(?:\\D\\s*('?-?\\d+))?";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_sla_cb);
+}
+
+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);
+
+ s3e(hash, y, mon, d, 0);
+ return 1;
+}
+
+static int
+parse_dot(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "('?-?\\d+)\\.\\s*('?\\d+)\\.\\s*('?-?\\d+)";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_dot_cb);
+}
+
+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[] = "'(\\d+)\\b";
+ 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[] = "\\b(" ABBR_MONTHS ")\\S*";
+ 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[] = "(\\d+)(st|nd|rd|th)\\b";
+ 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 == '[') {
+ char *buf = ALLOCA_N(char, l5 + 1);
+ char *s1, *s2, *s3;
+ VALUE zone;
+
+ memcpy(buf, cs5, l5);
+ buf[l5 - 1] = '\0';
+
+ s1 = buf + 1;
+ s2 = strchr(buf, ':');
+ if (s2) {
+ *s2 = '\0';
+ s2++;
+ }
+ if (s2)
+ s3 = s2;
+ else
+ s3 = s1;
+ zone = rb_str_new2(s3);
+ set_hash("zone", zone);
+ if (isdigit(*s1))
+ *--s1 = '+';
+ set_hash("offset", date_zone_to_diff(rb_str_new2(s1)));
+ }
+ RB_GC_GUARD(s5);
+ }
+
+ return 1;
+}
+
+static int
+parse_ddd(VALUE str, VALUE hash)
+{
+ static const char pat_source[] =
+ "([-+]?)(\\d{2,14})"
+ "(?:"
+ "\\s*"
+ "t?"
+ "\\s*"
+ "(\\d{2,6})?(?:[,.](\\d*))?"
+ ")?"
+ "(?:"
+ "\\s*"
+ "("
+ "z\\b"
+ "|"
+ "[-+]\\d{1,4}\\b"
+ "|"
+ "\\[[-+]?\\d[^\\]]*\\]"
+ ")"
+ ")?";
+ static VALUE pat = Qnil;
+
+ REGCOMP_I(pat);
+ SUBS(str, pat, parse_ddd_cb);
+}
+
+static int
+parse_bc_cb(VALUE m, VALUE hash)
+{
+ VALUE y;
+
+ y = ref_hash("year");
+ if (!NIL_P(y))
+ set_hash("year", f_add(f_negate(y), INT2FIX(1)));
+
+ 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);
+}
+
+#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(RSTRING_PTR(s)[i]))
+ flags |= HAVE_ALPHA;
+ if (isdigit(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))
+
+VALUE
+date__parse(VALUE str, VALUE comp)
+{
+ VALUE backref, hash;
+
+ backref = rb_backref_get();
+ rb_match_busy(backref);
+
+ {
+ static const char pat_source[] = "[^-+',./:@[:alnum:]\\[\\]]+";
+ 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);
+
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT))
+ if (parse_eu(str, hash))
+ goto ok;
+ if (HAVE_ELEM_P(HAVE_ALPHA|HAVE_DIGIT))
+ 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;
+ if (HAVE_ELEM_P(HAVE_DIGIT|HAVE_DOT))
+ if (parse_dot(str, hash))
+ goto ok;
+ 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;
+
+ ok:
+ if (HAVE_ELEM_P(HAVE_ALPHA))
+ parse_bc(str, hash);
+ if (HAVE_ELEM_P(HAVE_DIGIT))
+ parse_frag(str, hash);
+
+ {
+ if (RTEST(ref_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)));
+ }
+ }
+ }
+
+ del_hash("_comp");
+
+ {
+ 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[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);
+ }
+
+ 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]) ? 'h' : *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*([mtsh])?(\\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 2024-06-24 03:51:10 +0000