date_parse.c
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/*
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:
*/