| /********************************************************************** | |
| time.c - | |
| $Author$ | |
| created at: Tue Dec 28 14:31:59 JST 1993 | |
| Copyright (C) 1993-2007 Yukihiro Matsumoto | |
| **********************************************************************/ | |
| #include "internal.h" | |
| #include <sys/types.h> | |
| #include <time.h> | |
| #include <errno.h> | |
| #ifdef HAVE_UNISTD_H | |
| #include <unistd.h> | |
| #endif | |
| #include <float.h> | |
| #include <math.h> | |
| #ifdef HAVE_STRINGS_H | |
| #include <strings.h> | |
| #endif | |
| #if defined(HAVE_SYS_TIME_H) | |
| #include <sys/time.h> | |
| #endif | |
| #include "timev.h" | |
| static ID id_divmod, id_mul, id_submicro, id_nano_num, id_nano_den, id_offset, id_zone; | |
| static ID id_eq, id_ne, id_quo, id_div, id_cmp; | |
| #define NDIV(x,y) (-(-((x)+1)/(y))-1) | |
| #define NMOD(x,y) ((y)-(-((x)+1)%(y))-1) | |
| #define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d)) | |
| #define MOD(n,d) ((n)<0 ? NMOD((n),(d)) : (n)%(d)) | |
| #define VTM_WDAY_INITVAL (7) | |
| #define VTM_ISDST_INITVAL (3) | |
| #define TO_GMT_INITVAL (3) | |
| static int | |
| eq(VALUE x, VALUE y) | |
| { | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| return x == y; | |
| } | |
| return RTEST(rb_funcall(x, id_eq, 1, y)); | |
| } | |
| static int | |
| cmp(VALUE x, VALUE y) | |
| { | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| if ((long)x < (long)y) | |
| return -1; | |
| if ((long)x > (long)y) | |
| return 1; | |
| return 0; | |
| } | |
| return rb_cmpint(rb_funcall(x, id_cmp, 1, y), x, y); | |
| } | |
| #define ne(x,y) (!eq((x),(y))) | |
| #define lt(x,y) (cmp((x),(y)) < 0) | |
| #define gt(x,y) (cmp((x),(y)) > 0) | |
| #define le(x,y) (cmp((x),(y)) <= 0) | |
| #define ge(x,y) (cmp((x),(y)) >= 0) | |
| static VALUE | |
| add(VALUE x, VALUE y) | |
| { | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| long l = FIX2LONG(x) + FIX2LONG(y); | |
| if (FIXABLE(l)) return LONG2FIX(l); | |
| return LONG2NUM(l); | |
| } | |
| if (RB_TYPE_P(x, T_BIGNUM)) return rb_big_plus(x, y); | |
| return rb_funcall(x, '+', 1, y); | |
| } | |
| static VALUE | |
| sub(VALUE x, VALUE y) | |
| { | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| long l = FIX2LONG(x) - FIX2LONG(y); | |
| if (FIXABLE(l)) return LONG2FIX(l); | |
| return LONG2NUM(l); | |
| } | |
| if (RB_TYPE_P(x, T_BIGNUM)) return rb_big_minus(x, y); | |
| return rb_funcall(x, '-', 1, y); | |
| } | |
| #if !(HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG) | |
| static int | |
| long_mul(long x, long y, long *z) | |
| { | |
| unsigned long a, b, c; | |
| int s; | |
| if (x == 0 || y == 0) { | |
| *z = 0; | |
| return 1; | |
| } | |
| if (x < 0) { | |
| s = -1; | |
| a = (unsigned long)-x; | |
| } | |
| else { | |
| s = 1; | |
| a = (unsigned long)x; | |
| } | |
| if (y < 0) { | |
| s = -s; | |
| b = (unsigned long)-y; | |
| } | |
| else { | |
| b = (unsigned long)y; | |
| } | |
| if (a <= ULONG_MAX / b) { | |
| c = a * b; | |
| if (s < 0) { | |
| if (c <= (unsigned long)LONG_MAX + 1) { | |
| *z = -(long)c; | |
| return 1; | |
| } | |
| } | |
| else { | |
| if (c <= (unsigned long)LONG_MAX) { | |
| *z = (long)c; | |
| return 1; | |
| } | |
| } | |
| } | |
| return 0; | |
| } | |
| #endif | |
| static VALUE | |
| mul(VALUE x, VALUE y) | |
| { | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| #if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG | |
| LONG_LONG ll = (LONG_LONG)FIX2LONG(x) * FIX2LONG(y); | |
| if (FIXABLE(ll)) | |
| return LONG2FIX(ll); | |
| return LL2NUM(ll); | |
| #else | |
| long z; | |
| if (long_mul(FIX2LONG(x), FIX2LONG(y), &z)) | |
| return LONG2NUM(z); | |
| #endif | |
| } | |
| if (RB_TYPE_P(x, T_BIGNUM)) | |
| return rb_big_mul(x, y); | |
| return rb_funcall(x, '*', 1, y); | |
| } | |
| #define div(x,y) (rb_funcall((x), id_div, 1, (y))) | |
| static VALUE | |
| mod(VALUE x, VALUE y) | |
| { | |
| switch (TYPE(x)) { | |
| case T_BIGNUM: return rb_big_modulo(x, y); | |
| default: return rb_funcall(x, '%', 1, y); | |
| } | |
| } | |
| #define neg(x) (sub(INT2FIX(0), (x))) | |
| static VALUE | |
| quo(VALUE x, VALUE y) | |
| { | |
| VALUE ret; | |
| if (FIXNUM_P(x) && FIXNUM_P(y)) { | |
| long a, b, c; | |
| a = FIX2LONG(x); | |
| b = FIX2LONG(y); | |
| if (b == 0) rb_num_zerodiv(); | |
| c = a / b; | |
| if (c * b == a) { | |
| return LONG2NUM(c); | |
| } | |
| } | |
| ret = rb_funcall(x, id_quo, 1, y); | |
| if (RB_TYPE_P(ret, T_RATIONAL) && | |
| RRATIONAL(ret)->den == INT2FIX(1)) { | |
| ret = RRATIONAL(ret)->num; | |
| } | |
| return ret; | |
| } | |
| #define mulquo(x,y,z) (((y) == (z)) ? (x) : quo(mul((x),(y)),(z))) | |
| static void | |
| divmodv(VALUE n, VALUE d, VALUE *q, VALUE *r) | |
| { | |
| VALUE tmp, ary; | |
| tmp = rb_funcall(n, id_divmod, 1, d); | |
| ary = rb_check_array_type(tmp); | |
| if (NIL_P(ary)) { | |
| rb_raise(rb_eTypeError, "unexpected divmod result: into %s", | |
| rb_obj_classname(tmp)); | |
| } | |
| *q = rb_ary_entry(ary, 0); | |
| *r = rb_ary_entry(ary, 1); | |
| } | |
| #if SIZEOF_LONG == 8 | |
| # define INT64toNUM(x) LONG2NUM(x) | |
| #elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 8 | |
| # define INT64toNUM(x) LL2NUM(x) | |
| #endif | |
| #if defined(HAVE_UINT64_T) && SIZEOF_LONG*2 <= SIZEOF_UINT64_T | |
| typedef uint64_t uwideint_t; | |
| typedef int64_t wideint_t; | |
| typedef uint64_t WIDEVALUE; | |
| typedef int64_t SIGNED_WIDEVALUE; | |
| # define WIDEVALUE_IS_WIDER 1 | |
| # define UWIDEINT_MAX UINT64_MAX | |
| # define WIDEINT_MAX INT64_MAX | |
| # define WIDEINT_MIN INT64_MIN | |
| # define FIXWINT_P(tv) ((tv) & 1) | |
| # define FIXWVtoINT64(tv) RSHIFT((SIGNED_WIDEVALUE)(tv), 1) | |
| # define INT64toFIXWV(wi) ((WIDEVALUE)((SIGNED_WIDEVALUE)(wi) << 1 | FIXNUM_FLAG)) | |
| # define FIXWV_MAX (((int64_t)1 << 62) - 1) | |
| # define FIXWV_MIN (-((int64_t)1 << 62)) | |
| # define FIXWVABLE(wi) (POSFIXWVABLE(wi) && NEGFIXWVABLE(wi)) | |
| # define WINT2FIXWV(i) WIDEVAL_WRAP(INT64toFIXWV(i)) | |
| # define FIXWV2WINT(w) FIXWVtoINT64(WIDEVAL_GET(w)) | |
| #else | |
| typedef unsigned long uwideint_t; | |
| typedef long wideint_t; | |
| typedef VALUE WIDEVALUE; | |
| typedef SIGNED_VALUE SIGNED_WIDEVALUE; | |
| # define WIDEVALUE_IS_WIDER 0 | |
| # define UWIDEINT_MAX ULONG_MAX | |
| # define WIDEINT_MAX LONG_MAX | |
| # define WIDEINT_MIN LONG_MIN | |
| # define FIXWINT_P(v) FIXNUM_P(v) | |
| # define FIXWV_MAX FIXNUM_MAX | |
| # define FIXWV_MIN FIXNUM_MIN | |
| # define FIXWVABLE(i) FIXABLE(i) | |
| # define WINT2FIXWV(i) WIDEVAL_WRAP(LONG2FIX(i)) | |
| # define FIXWV2WINT(w) FIX2LONG(WIDEVAL_GET(w)) | |
| #endif | |
| #define POSFIXWVABLE(wi) ((wi) < FIXWV_MAX+1) | |
| #define NEGFIXWVABLE(wi) ((wi) >= FIXWV_MIN) | |
| #define FIXWV_P(w) FIXWINT_P(WIDEVAL_GET(w)) | |
| /* #define STRUCT_WIDEVAL */ | |
| #ifdef STRUCT_WIDEVAL | |
| /* for type checking */ | |
| typedef struct { | |
| WIDEVALUE value; | |
| } wideval_t; | |
| static inline wideval_t WIDEVAL_WRAP(WIDEVALUE v) { wideval_t w = { v }; return w; } | |
| # define WIDEVAL_GET(w) ((w).value) | |
| #else | |
| typedef WIDEVALUE wideval_t; | |
| # define WIDEVAL_WRAP(v) (v) | |
| # define WIDEVAL_GET(w) (w) | |
| #endif | |
| #if WIDEVALUE_IS_WIDER | |
| static inline wideval_t | |
| wint2wv(wideint_t wi) | |
| { | |
| if (FIXWVABLE(wi)) | |
| return WINT2FIXWV(wi); | |
| else | |
| return WIDEVAL_WRAP(INT64toNUM(wi)); | |
| } | |
| # define WINT2WV(wi) wint2wv(wi) | |
| #else | |
| # define WINT2WV(wi) WIDEVAL_WRAP(LONG2NUM(wi)) | |
| #endif | |
| static inline VALUE | |
| w2v(wideval_t w) | |
| { | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(w)) | |
| return INT64toNUM(FIXWV2WINT(w)); | |
| return (VALUE)WIDEVAL_GET(w); | |
| #else | |
| return WIDEVAL_GET(w); | |
| #endif | |
| } | |
| #if WIDEVALUE_IS_WIDER | |
| static wideval_t | |
| v2w_bignum(VALUE v) | |
| { | |
| int sign; | |
| uwideint_t u; | |
| sign = rb_integer_pack(v, &u, 1, sizeof(u), 0, | |
| INTEGER_PACK_NATIVE_BYTE_ORDER); | |
| if (sign == 0) | |
| return WINT2FIXWV(0); | |
| else if (sign == -1) { | |
| if (u <= -FIXWV_MIN) | |
| return WINT2FIXWV(-(wideint_t)u); | |
| } | |
| else if (sign == +1) { | |
| if (u <= FIXWV_MAX) | |
| return WINT2FIXWV((wideint_t)u); | |
| } | |
| return WIDEVAL_WRAP(v); | |
| } | |
| #endif | |
| static inline wideval_t | |
| v2w(VALUE v) | |
| { | |
| if (RB_TYPE_P(v, T_RATIONAL)) { | |
| if (RRATIONAL(v)->den != LONG2FIX(1)) | |
| return v; | |
| v = RRATIONAL(v)->num; | |
| } | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXNUM_P(v)) { | |
| return WIDEVAL_WRAP((WIDEVALUE)(SIGNED_WIDEVALUE)(long)v); | |
| } | |
| else if (RB_TYPE_P(v, T_BIGNUM) && | |
| rb_absint_size(v, NULL) <= sizeof(WIDEVALUE)) { | |
| return v2w_bignum(v); | |
| } | |
| #endif | |
| return WIDEVAL_WRAP(v); | |
| } | |
| static int | |
| weq(wideval_t wx, wideval_t wy) | |
| { | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| return WIDEVAL_GET(wx) == WIDEVAL_GET(wy); | |
| } | |
| return RTEST(rb_funcall(w2v(wx), id_eq, 1, w2v(wy))); | |
| #else | |
| return eq(WIDEVAL_GET(wx), WIDEVAL_GET(wy)); | |
| #endif | |
| } | |
| static int | |
| wcmp(wideval_t wx, wideval_t wy) | |
| { | |
| VALUE x, y; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| wideint_t a, b; | |
| a = FIXWV2WINT(wx); | |
| b = FIXWV2WINT(wy); | |
| if (a < b) | |
| return -1; | |
| if (a > b) | |
| return 1; | |
| return 0; | |
| } | |
| #endif | |
| x = w2v(wx); | |
| y = w2v(wy); | |
| return rb_cmpint(rb_funcall(x, id_cmp, 1, y), x, y); | |
| } | |
| #define wne(x,y) (!weq((x),(y))) | |
| #define wlt(x,y) (wcmp((x),(y)) < 0) | |
| #define wgt(x,y) (wcmp((x),(y)) > 0) | |
| #define wle(x,y) (wcmp((x),(y)) <= 0) | |
| #define wge(x,y) (wcmp((x),(y)) >= 0) | |
| static wideval_t | |
| wadd(wideval_t wx, wideval_t wy) | |
| { | |
| VALUE x; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| wideint_t r = FIXWV2WINT(wx) + FIXWV2WINT(wy); | |
| return WINT2WV(r); | |
| } | |
| else | |
| #endif | |
| x = w2v(wx); | |
| if (RB_TYPE_P(x, T_BIGNUM)) return v2w(rb_big_plus(x, w2v(wy))); | |
| return v2w(rb_funcall(x, '+', 1, w2v(wy))); | |
| } | |
| static wideval_t | |
| wsub(wideval_t wx, wideval_t wy) | |
| { | |
| VALUE x; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| wideint_t r = FIXWV2WINT(wx) - FIXWV2WINT(wy); | |
| return WINT2WV(r); | |
| } | |
| else | |
| #endif | |
| x = w2v(wx); | |
| if (RB_TYPE_P(x, T_BIGNUM)) return v2w(rb_big_minus(x, w2v(wy))); | |
| return v2w(rb_funcall(x, '-', 1, w2v(wy))); | |
| } | |
| static int | |
| wi_mul(wideint_t x, wideint_t y, wideint_t *z) | |
| { | |
| uwideint_t a, b, c; | |
| int s; | |
| if (x == 0 || y == 0) { | |
| *z = 0; | |
| return 1; | |
| } | |
| if (x < 0) { | |
| s = -1; | |
| a = (uwideint_t)-x; | |
| } | |
| else { | |
| s = 1; | |
| a = (uwideint_t)x; | |
| } | |
| if (y < 0) { | |
| s = -s; | |
| b = (uwideint_t)-y; | |
| } | |
| else { | |
| b = (uwideint_t)y; | |
| } | |
| if (a <= UWIDEINT_MAX / b) { | |
| c = a * b; | |
| if (s < 0) { | |
| if (c <= (uwideint_t)WIDEINT_MAX + 1) { | |
| *z = -(wideint_t)c; | |
| return 1; | |
| } | |
| } | |
| else { | |
| if (c <= (uwideint_t)WIDEINT_MAX) { | |
| *z = (wideint_t)c; | |
| return 1; | |
| } | |
| } | |
| } | |
| return 0; | |
| } | |
| static wideval_t | |
| wmul(wideval_t wx, wideval_t wy) | |
| { | |
| VALUE x, z; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| wideint_t z; | |
| if (wi_mul(FIXWV2WINT(wx), FIXWV2WINT(wy), &z)) | |
| return WINT2WV(z); | |
| } | |
| #endif | |
| x = w2v(wx); | |
| if (RB_TYPE_P(x, T_BIGNUM)) return v2w(rb_big_mul(x, w2v(wy))); | |
| z = rb_funcall(x, '*', 1, w2v(wy)); | |
| if (RB_TYPE_P(z, T_RATIONAL) && RRATIONAL(z)->den == INT2FIX(1)) { | |
| z = RRATIONAL(z)->num; | |
| } | |
| return v2w(z); | |
| } | |
| static wideval_t | |
| wquo(wideval_t wx, wideval_t wy) | |
| { | |
| VALUE x, y, ret; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wx) && FIXWV_P(wy)) { | |
| wideint_t a, b, c; | |
| a = FIXWV2WINT(wx); | |
| b = FIXWV2WINT(wy); | |
| if (b == 0) rb_num_zerodiv(); | |
| c = a / b; | |
| if (c * b == a) { | |
| return WINT2WV(c); | |
| } | |
| } | |
| #endif | |
| x = w2v(wx); | |
| y = w2v(wy); | |
| ret = rb_funcall(x, id_quo, 1, y); | |
| if (RB_TYPE_P(ret, T_RATIONAL) && | |
| RRATIONAL(ret)->den == INT2FIX(1)) { | |
| ret = RRATIONAL(ret)->num; | |
| } | |
| return v2w(ret); | |
| } | |
| #define wmulquo(x,y,z) ((WIDEVAL_GET(y) == WIDEVAL_GET(z)) ? (x) : wquo(wmul((x),(y)),(z))) | |
| #define wmulquoll(x,y,z) (((y) == (z)) ? (x) : wquo(wmul((x),WINT2WV(y)),WINT2WV(z))) | |
| static void | |
| wdivmod(wideval_t wn, wideval_t wd, wideval_t *wq, wideval_t *wr) | |
| { | |
| VALUE tmp, ary; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(wn) && FIXWV_P(wd)) { | |
| wideint_t n, d, q, r; | |
| d = FIXWV2WINT(wd); | |
| if (d == 0) rb_num_zerodiv(); | |
| if (d == 1) { | |
| *wq = wn; | |
| *wr = WINT2FIXWV(0); | |
| return; | |
| } | |
| if (d == -1) { | |
| wideint_t xneg = -FIXWV2WINT(wn); | |
| *wq = WINT2WV(xneg); | |
| *wr = WINT2FIXWV(0); | |
| return; | |
| } | |
| n = FIXWV2WINT(wn); | |
| if (n == 0) { | |
| *wq = WINT2FIXWV(0); | |
| *wr = WINT2FIXWV(0); | |
| return; | |
| } | |
| if (d < 0) { | |
| if (n < 0) { | |
| q = ((-n) / (-d)); | |
| r = ((-n) % (-d)); | |
| if (r != 0) { | |
| q -= 1; | |
| r += d; | |
| } | |
| } | |
| else { /* 0 < n */ | |
| q = -(n / (-d)); | |
| r = -(n % (-d)); | |
| } | |
| } | |
| else { /* 0 < d */ | |
| if (n < 0) { | |
| q = -((-n) / d); | |
| r = -((-n) % d); | |
| if (r != 0) { | |
| q -= 1; | |
| r += d; | |
| } | |
| } | |
| else { /* 0 < n */ | |
| q = n / d; | |
| r = n % d; | |
| } | |
| } | |
| *wq = WINT2FIXWV(q); | |
| *wr = WINT2FIXWV(r); | |
| return; | |
| } | |
| #endif | |
| tmp = rb_funcall(w2v(wn), id_divmod, 1, w2v(wd)); | |
| ary = rb_check_array_type(tmp); | |
| if (NIL_P(ary)) { | |
| rb_raise(rb_eTypeError, "unexpected divmod result: into %s", | |
| rb_obj_classname(tmp)); | |
| } | |
| *wq = v2w(rb_ary_entry(ary, 0)); | |
| *wr = v2w(rb_ary_entry(ary, 1)); | |
| } | |
| static void | |
| wmuldivmod(wideval_t wx, wideval_t wy, wideval_t wz, wideval_t *wq, wideval_t *wr) | |
| { | |
| if (WIDEVAL_GET(wy) == WIDEVAL_GET(wz)) { | |
| *wq = wx; | |
| *wr = WINT2FIXWV(0); | |
| return; | |
| } | |
| wdivmod(wmul(wx,wy), wz, wq, wr); | |
| } | |
| static wideval_t | |
| wdiv(wideval_t wx, wideval_t wy) | |
| { | |
| wideval_t q, r; | |
| wdivmod(wx, wy, &q, &r); | |
| return q; | |
| } | |
| static wideval_t | |
| wmod(wideval_t wx, wideval_t wy) | |
| { | |
| wideval_t q, r; | |
| wdivmod(wx, wy, &q, &r); | |
| return r; | |
| } | |
| static VALUE | |
| num_exact(VALUE v) | |
| { | |
| VALUE tmp; | |
| int t; | |
| t = TYPE(v); | |
| switch (t) { | |
| case T_FIXNUM: | |
| case T_BIGNUM: | |
| return v; | |
| case T_RATIONAL: | |
| break; | |
| case T_STRING: | |
| case T_NIL: | |
| goto typeerror; | |
| default: | |
| if ((tmp = rb_check_funcall(v, rb_intern("to_r"), 0, NULL)) != Qundef) { | |
| /* test to_int method availability to reject non-Numeric | |
| * objects such as String, Time, etc which have to_r method. */ | |
| if (!rb_respond_to(v, rb_intern("to_int"))) goto typeerror; | |
| v = tmp; | |
| break; | |
| } | |
| if (!NIL_P(tmp = rb_check_to_integer(v, "to_int"))) { | |
| v = tmp; | |
| break; | |
| } | |
| goto typeerror; | |
| } | |
| t = TYPE(v); | |
| switch (t) { | |
| case T_FIXNUM: | |
| case T_BIGNUM: | |
| return v; | |
| case T_RATIONAL: | |
| if (RRATIONAL(v)->den == INT2FIX(1)) | |
| v = RRATIONAL(v)->num; | |
| break; | |
| default: | |
| typeerror: | |
| rb_raise(rb_eTypeError, "can't convert %s into an exact number", | |
| NIL_P(v) ? "nil" : rb_obj_classname(v)); | |
| } | |
| return v; | |
| } | |
| /* time_t */ | |
| static wideval_t | |
| rb_time_magnify(wideval_t w) | |
| { | |
| if (FIXWV_P(w)) { | |
| wideint_t z; | |
| if (wi_mul(FIXWV2WINT(w), TIME_SCALE, &z)) | |
| return WINT2WV(z); | |
| } | |
| return wmul(w, WINT2FIXWV(TIME_SCALE)); | |
| } | |
| static wideval_t | |
| rb_time_unmagnify(wideval_t w) | |
| { | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(w)) { | |
| wideint_t a, b, c; | |
| a = FIXWV2WINT(w); | |
| b = TIME_SCALE; | |
| c = a / b; | |
| if (c * b == a) { | |
| return WINT2FIXWV(c); | |
| } | |
| } | |
| #endif | |
| return wquo(w, WINT2FIXWV(TIME_SCALE)); | |
| } | |
| static VALUE | |
| rb_time_unmagnify_to_float(wideval_t w) | |
| { | |
| VALUE v; | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(w)) { | |
| wideint_t a, b, c; | |
| a = FIXWV2WINT(w); | |
| b = TIME_SCALE; | |
| c = a / b; | |
| if (c * b == a) { | |
| return DBL2NUM((double)c); | |
| } | |
| v = DBL2NUM((double)FIXWV2WINT(w)); | |
| return quo(v, DBL2NUM(TIME_SCALE)); | |
| } | |
| #endif | |
| v = w2v(w); | |
| if (RB_TYPE_P(v, T_RATIONAL)) | |
| return rb_Float(quo(v, INT2FIX(TIME_SCALE))); | |
| else | |
| return quo(v, DBL2NUM(TIME_SCALE)); | |
| } | |
| static void | |
| split_second(wideval_t timew, wideval_t *timew_p, VALUE *subsecx_p) | |
| { | |
| wideval_t q, r; | |
| wdivmod(timew, WINT2FIXWV(TIME_SCALE), &q, &r); | |
| *timew_p = q; | |
| *subsecx_p = w2v(r); | |
| } | |
| static wideval_t | |
| timet2wv(time_t t) | |
| { | |
| #if WIDEVALUE_IS_WIDER | |
| if (TIMET_MIN == 0) { | |
| uwideint_t wi = (uwideint_t)t; | |
| if (wi <= FIXWV_MAX) { | |
| return WINT2FIXWV(wi); | |
| } | |
| } | |
| else { | |
| wideint_t wi = (wideint_t)t; | |
| if (FIXWV_MIN <= wi && wi <= FIXWV_MAX) { | |
| return WINT2FIXWV(wi); | |
| } | |
| } | |
| #endif | |
| return v2w(TIMET2NUM(t)); | |
| } | |
| #define TIMET2WV(t) timet2wv(t) | |
| static time_t | |
| wv2timet(wideval_t w) | |
| { | |
| #if WIDEVALUE_IS_WIDER | |
| if (FIXWV_P(w)) { | |
| wideint_t wi = FIXWV2WINT(w); | |
| if (TIMET_MIN == 0) { | |
| if (wi < 0) | |
| rb_raise(rb_eRangeError, "negative value to convert into `time_t'"); | |
| if (TIMET_MAX < (uwideint_t)wi) | |
| rb_raise(rb_eRangeError, "too big to convert into `time_t'"); | |
| } | |
| else { | |
| if (wi < TIMET_MIN || TIMET_MAX < wi) | |
| rb_raise(rb_eRangeError, "too big to convert into `time_t'"); | |
| } | |
| return (time_t)wi; | |
| } | |
| #endif | |
| return NUM2TIMET(w2v(w)); | |
| } | |
| #define WV2TIMET(t) wv2timet(t) | |
| VALUE rb_cTime; | |
| static VALUE time_utc_offset _((VALUE)); | |
| static int obj2int(VALUE obj); | |
| static uint32_t obj2ubits(VALUE obj, size_t bits); | |
| static VALUE obj2vint(VALUE obj); | |
| static uint32_t month_arg(VALUE arg); | |
| static VALUE validate_utc_offset(VALUE utc_offset); | |
| static VALUE validate_zone_name(VALUE zone_name); | |
| static void validate_vtm(struct vtm *vtm); | |
| static uint32_t obj2subsecx(VALUE obj, VALUE *subsecx); | |
| static VALUE time_gmtime(VALUE); | |
| static VALUE time_localtime(VALUE); | |
| static VALUE time_fixoff(VALUE); | |
| static time_t timegm_noleapsecond(struct tm *tm); | |
| static int tmcmp(struct tm *a, struct tm *b); | |
| static int vtmcmp(struct vtm *a, struct vtm *b); | |
| static const char *find_time_t(struct tm *tptr, int utc_p, time_t *tp); | |
| static struct vtm *localtimew(wideval_t timew, struct vtm *result); | |
| static int leap_year_p(long y); | |
| #define leap_year_v_p(y) leap_year_p(NUM2LONG(mod((y), INT2FIX(400)))) | |
| #ifdef HAVE_GMTIME_R | |
| #define rb_gmtime_r(t, tm) gmtime_r((t), (tm)) | |
| #define rb_localtime_r(t, tm) localtime_r((t), (tm)) | |
| #else | |
| static inline struct tm * | |
| rb_gmtime_r(const time_t *tp, struct tm *result) | |
| { | |
| struct tm *t = gmtime(tp); | |
| if (t) *result = *t; | |
| return t; | |
| } | |
| static inline struct tm * | |
| rb_localtime_r(const time_t *tp, struct tm *result) | |
| { | |
| struct tm *t = localtime(tp); | |
| if (t) *result = *t; | |
| return t; | |
| } | |
| #endif | |
| static struct tm * | |
| rb_localtime_r2(const time_t *t, struct tm *result) | |
| { | |
| #if defined __APPLE__ && defined __LP64__ | |
| if (*t != (time_t)(int)*t) return NULL; | |
| #endif | |
| result = rb_localtime_r(t, result); | |
| #if defined(HAVE_MKTIME) && defined(LOCALTIME_OVERFLOW_PROBLEM) | |
| if (result) { | |
| long gmtoff1 = 0; | |
| long gmtoff2 = 0; | |
| struct tm tmp = *result; | |
| time_t t2; | |
| # if defined(HAVE_STRUCT_TM_TM_GMTOFF) | |
| gmtoff1 = result->tm_gmtoff; | |
| # endif | |
| t2 = mktime(&tmp); | |
| # if defined(HAVE_STRUCT_TM_TM_GMTOFF) | |
| gmtoff2 = tmp.tm_gmtoff; | |
| # endif | |
| if (*t + gmtoff1 != t2 + gmtoff2) | |
| result = NULL; | |
| } | |
| #endif | |
| return result; | |
| } | |
| #define LOCALTIME(tm, result) (tzset(),rb_localtime_r2((tm), &(result))) | |
| #if !defined(HAVE_STRUCT_TM_TM_GMTOFF) | |
| static struct tm * | |
| rb_gmtime_r2(const time_t *t, struct tm *result) | |
| { | |
| result = rb_gmtime_r(t, result); | |
| #if defined(HAVE_TIMEGM) && defined(LOCALTIME_OVERFLOW_PROBLEM) | |
| if (result) { | |
| struct tm tmp = *result; | |
| time_t t2 = timegm(&tmp); | |
| if (*t != t2) | |
| result = NULL; | |
| } | |
| #endif | |
| return result; | |
| } | |
| # define GMTIME(tm, result) rb_gmtime_r2((tm), &(result)) | |
| #endif | |
| static const int common_year_yday_offset[] = { | |
| -1, | |
| -1 + 31, | |
| -1 + 31 + 28, | |
| -1 + 31 + 28 + 31, | |
| -1 + 31 + 28 + 31 + 30, | |
| -1 + 31 + 28 + 31 + 30 + 31, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, | |
| -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 | |
| /* 1 2 3 4 5 6 7 8 9 10 11 */ | |
| }; | |
| static const int leap_year_yday_offset[] = { | |
| -1, | |
| -1 + 31, | |
| -1 + 31 + 29, | |
| -1 + 31 + 29 + 31, | |
| -1 + 31 + 29 + 31 + 30, | |
| -1 + 31 + 29 + 31 + 30 + 31, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, | |
| -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 | |
| /* 1 2 3 4 5 6 7 8 9 10 11 */ | |
| }; | |
| static const int common_year_days_in_month[] = { | |
| 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 | |
| }; | |
| static const int leap_year_days_in_month[] = { | |
| 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 | |
| }; | |
| static int | |
| calc_tm_yday(long tm_year, int tm_mon, int tm_mday) | |
| { | |
| int tm_year_mod400 = (int)MOD(tm_year, 400); | |
| int tm_yday = tm_mday; | |
| if (leap_year_p(tm_year_mod400 + 1900)) | |
| tm_yday += leap_year_yday_offset[tm_mon]; | |
| else | |
| tm_yday += common_year_yday_offset[tm_mon]; | |
| return tm_yday; | |
| } | |
| static wideval_t | |
| timegmw_noleapsecond(struct vtm *vtm) | |
| { | |
| VALUE year1900; | |
| VALUE q400, r400; | |
| int year_mod400; | |
| int yday; | |
| long days_in400; | |
| VALUE vdays, ret; | |
| wideval_t wret; | |
| year1900 = sub(vtm->year, INT2FIX(1900)); | |
| divmodv(year1900, INT2FIX(400), &q400, &r400); | |
| year_mod400 = NUM2INT(r400); | |
| yday = calc_tm_yday(year_mod400, vtm->mon-1, vtm->mday); | |
| /* | |
| * `Seconds Since the Epoch' in SUSv3: | |
| * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + | |
| * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - | |
| * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 | |
| */ | |
| ret = LONG2NUM(vtm->sec | |
| + vtm->min*60 | |
| + vtm->hour*3600); | |
| days_in400 = yday | |
| - 70*365 | |
| + DIV(year_mod400 - 69, 4) | |
| - DIV(year_mod400 - 1, 100) | |
| + (year_mod400 + 299) / 400; | |
| vdays = LONG2NUM(days_in400); | |
| vdays = add(vdays, mul(q400, INT2FIX(97))); | |
| vdays = add(vdays, mul(year1900, INT2FIX(365))); | |
| wret = wadd(rb_time_magnify(v2w(ret)), wmul(rb_time_magnify(v2w(vdays)), WINT2FIXWV(86400))); | |
| wret = wadd(wret, v2w(vtm->subsecx)); | |
| return wret; | |
| } | |
| static st_table *zone_table; | |
| static int | |
| zone_str_update(st_data_t *key, st_data_t *value, st_data_t arg, int existing) | |
| { | |
| const char *s = (const char *)*key; | |
| const char **ret = (const char **)arg; | |
| if (existing) { | |
| *ret = (const char *)*value; | |
| return ST_STOP; | |
| } | |
| *ret = s = strdup(s); | |
| *key = *value = (st_data_t)s; | |
| return ST_CONTINUE; | |
| } | |
| static const char * | |
| zone_str(const char *s) | |
| { | |
| if (!zone_table) | |
| zone_table = st_init_strtable(); | |
| st_update(zone_table, (st_data_t)s, zone_str_update, (st_data_t)&s); | |
| return s; | |
| } | |
| static void | |
| gmtimew_noleapsecond(wideval_t timew, struct vtm *vtm) | |
| { | |
| VALUE v; | |
| int i, n, x, y; | |
| const int *yday_offset; | |
| int wday; | |
| VALUE timev; | |
| wideval_t timew2, w, w2; | |
| vtm->isdst = 0; | |
| split_second(timew, &timew2, &vtm->subsecx); | |
| wdivmod(timew2, WINT2FIXWV(86400), &w2, &w); | |
| timev = w2v(w2); | |
| v = w2v(w); | |
| wday = NUM2INT(mod(timev, INT2FIX(7))); | |
| vtm->wday = (wday + 4) % 7; | |
| n = NUM2INT(v); | |
| vtm->sec = n % 60; n = n / 60; | |
| vtm->min = n % 60; n = n / 60; | |
| vtm->hour = n; | |
| /* 97 leap days in the 400 year cycle */ | |
| divmodv(timev, INT2FIX(400*365 + 97), &timev, &v); | |
| vtm->year = mul(timev, INT2FIX(400)); | |
| /* n is the days in the 400 year cycle. | |
| * the start of the cycle is 1970-01-01. */ | |
| n = NUM2INT(v); | |
| y = 1970; | |
| /* 30 years including 7 leap days (1972, 1976, ... 1996), | |
| * 31 days in January 2000 and | |
| * 29 days in February 2000 | |
| * from 1970-01-01 to 2000-02-29 */ | |
| if (30*365+7+31+29-1 <= n) { | |
| /* 2000-02-29 or after */ | |
| if (n < 31*365+8) { | |
| /* 2000-02-29 to 2000-12-31 */ | |
| y += 30; | |
| n -= 30*365+7; | |
| goto found; | |
| } | |
| else { | |
| /* 2001-01-01 or after */ | |
| n -= 1; | |
| } | |
| } | |
| x = n / (365*100 + 24); | |
| n = n % (365*100 + 24); | |
| y += x * 100; | |
| if (30*365+7+31+29-1 <= n) { | |
| if (n < 31*365+7) { | |
| y += 30; | |
| n -= 30*365+7; | |
| goto found; | |
| } | |
| else | |
| n += 1; | |
| } | |
| x = n / (365*4 + 1); | |
| n = n % (365*4 + 1); | |
| y += x * 4; | |
| if (365*2+31+29-1 <= n) { | |
| if (n < 365*2+366) { | |
| y += 2; | |
| n -= 365*2; | |
| goto found; | |
| } | |
| else | |
| n -= 1; | |
| } | |
| x = n / 365; | |
| n = n % 365; | |
| y += x; | |
| found: | |
| vtm->yday = n+1; | |
| vtm->year = add(vtm->year, INT2NUM(y)); | |
| if (leap_year_p(y)) | |
| yday_offset = leap_year_yday_offset; | |
| else | |
| yday_offset = common_year_yday_offset; | |
| for (i = 0; i < 12; i++) { | |
| if (yday_offset[i] < n) { | |
| vtm->mon = i+1; | |
| vtm->mday = n - yday_offset[i]; | |
| } | |
| else | |
| break; | |
| } | |
| vtm->utc_offset = INT2FIX(0); | |
| vtm->zone = "UTC"; | |
| } | |
| static struct tm * | |
| gmtime_with_leapsecond(const time_t *timep, struct tm *result) | |
| { | |
| #if defined(HAVE_STRUCT_TM_TM_GMTOFF) | |
| /* 4.4BSD counts leap seconds only with localtime, not with gmtime. */ | |
| struct tm *t; | |
| int sign; | |
| int gmtoff_sec, gmtoff_min, gmtoff_hour, gmtoff_day; | |
| long gmtoff; | |
| t = LOCALTIME(timep, *result); | |
| if (t == NULL) | |
| return NULL; | |
| /* subtract gmtoff */ | |
| if (t->tm_gmtoff < 0) { | |
| sign = 1; | |
| gmtoff = -t->tm_gmtoff; | |
| } | |
| else { | |
| sign = -1; | |
| gmtoff = t->tm_gmtoff; | |
| } | |
| gmtoff_sec = (int)(gmtoff % 60); | |
| gmtoff = gmtoff / 60; | |
| gmtoff_min = (int)(gmtoff % 60); | |
| gmtoff = gmtoff / 60; | |
| gmtoff_hour = (int)gmtoff; /* <= 12 */ | |
| gmtoff_sec *= sign; | |
| gmtoff_min *= sign; | |
| gmtoff_hour *= sign; | |
| gmtoff_day = 0; | |
| if (gmtoff_sec) { | |
| /* If gmtoff_sec == 0, don't change result->tm_sec. | |
| * It may be 60 which is a leap second. */ | |
| result->tm_sec += gmtoff_sec; | |
| if (result->tm_sec < 0) { | |
| result->tm_sec += 60; | |
| gmtoff_min -= 1; | |
| } | |
| if (60 <= result->tm_sec) { | |
| result->tm_sec -= 60; | |
| gmtoff_min += 1; | |
| } | |
| } | |
| if (gmtoff_min) { | |
| result->tm_min += gmtoff_min; | |
| if (result->tm_min < 0) { | |
| result->tm_min += 60; | |
| gmtoff_hour -= 1; | |
| } | |
| if (60 <= result->tm_min) { | |
| result->tm_min -= 60; | |
| gmtoff_hour += 1; | |
| } | |
| } | |
| if (gmtoff_hour) { | |
| result->tm_hour += gmtoff_hour; | |
| if (result->tm_hour < 0) { | |
| result->tm_hour += 24; | |
| gmtoff_day = -1; | |
| } | |
| if (24 <= result->tm_hour) { | |
| result->tm_hour -= 24; | |
| gmtoff_day = 1; | |
| } | |
| } | |
| if (gmtoff_day) { | |
| if (gmtoff_day < 0) { | |
| if (result->tm_yday == 0) { | |
| result->tm_mday = 31; | |
| result->tm_mon = 11; /* December */ | |
| result->tm_year--; | |
| result->tm_yday = leap_year_p(result->tm_year + 1900) ? 365 : 364; | |
| } | |
| else if (result->tm_mday == 1) { | |
| const int *days_in_month = leap_year_p(result->tm_year + 1900) ? | |
| leap_year_days_in_month : | |
| common_year_days_in_month; | |
| result->tm_mon--; | |
| result->tm_mday = days_in_month[result->tm_mon]; | |
| result->tm_yday--; | |
| } | |
| else { | |
| result->tm_mday--; | |
| result->tm_yday--; | |
| } | |
| result->tm_wday = (result->tm_wday + 6) % 7; | |
| } | |
| else { | |
| int leap = leap_year_p(result->tm_year + 1900); | |
| if (result->tm_yday == (leap ? 365 : 364)) { | |
| result->tm_year++; | |
| result->tm_mon = 0; /* January */ | |
| result->tm_mday = 1; | |
| result->tm_yday = 0; | |
| } | |
| else if (result->tm_mday == (leap ? leap_year_days_in_month : | |
| common_year_days_in_month)[result->tm_mon]) { | |
| result->tm_mon++; | |
| result->tm_mday = 1; | |
| result->tm_yday++; | |
| } | |
| else { | |
| result->tm_mday++; | |
| result->tm_yday++; | |
| } | |
| result->tm_wday = (result->tm_wday + 1) % 7; | |
| } | |
| } | |
| result->tm_isdst = 0; | |
| result->tm_gmtoff = 0; | |
| #if defined(HAVE_TM_ZONE) | |
| result->tm_zone = (char *)"UTC"; | |
| #endif | |
| return result; | |
| #else | |
| return GMTIME(timep, *result); | |
| #endif | |
| } | |
| static long this_year = 0; | |
| static time_t known_leap_seconds_limit; | |
| static int number_of_leap_seconds_known; | |
| static void | |
| init_leap_second_info(void) | |
| { | |
| /* | |
| * leap seconds are determined by IERS. | |
| * It is announced 6 months before the leap second. | |
| * So no one knows leap seconds in the future after the next year. | |
| */ | |
| if (this_year == 0) { | |
| time_t now; | |
| struct tm *tm, result; | |
| struct vtm vtm; | |
| wideval_t timew; | |
| now = time(NULL); | |
| gmtime(&now); | |
| tm = gmtime_with_leapsecond(&now, &result); | |
| if (!tm) return; | |
| this_year = tm->tm_year; | |
| if (TIMET_MAX - now < (time_t)(366*86400)) | |
| known_leap_seconds_limit = TIMET_MAX; | |
| else | |
| known_leap_seconds_limit = now + (time_t)(366*86400); | |
| if (!gmtime_with_leapsecond(&known_leap_seconds_limit, &result)) | |
| return; | |
| vtm.year = LONG2NUM(result.tm_year + 1900); | |
| vtm.mon = result.tm_mon + 1; | |
| vtm.mday = result.tm_mday; | |
| vtm.hour = result.tm_hour; | |
| vtm.min = result.tm_min; | |
| vtm.sec = result.tm_sec; | |
| vtm.subsecx = INT2FIX(0); | |
| vtm.utc_offset = INT2FIX(0); | |
| timew = timegmw_noleapsecond(&vtm); | |
| number_of_leap_seconds_known = NUM2INT(w2v(wsub(TIMET2WV(known_leap_seconds_limit), rb_time_unmagnify(timew)))); | |
| } | |
| } | |
| static wideval_t | |
| timegmw(struct vtm *vtm) | |
| { | |
| wideval_t timew; | |
| struct tm tm; | |
| time_t t; | |
| const char *errmsg; | |
| /* The first leap second is 1972-06-30 23:59:60 UTC. | |
| * No leap seconds before. */ | |
| if (gt(INT2FIX(1972), vtm->year)) | |
| return timegmw_noleapsecond(vtm); | |
| init_leap_second_info(); | |
| timew = timegmw_noleapsecond(vtm); | |
| if (wlt(rb_time_magnify(TIMET2WV(known_leap_seconds_limit)), timew)) { | |
| return wadd(timew, rb_time_magnify(WINT2WV(number_of_leap_seconds_known))); | |
| } | |
| tm.tm_year = rb_long2int(NUM2LONG(vtm->year) - 1900); | |
| tm.tm_mon = vtm->mon - 1; | |
| tm.tm_mday = vtm->mday; | |
| tm.tm_hour = vtm->hour; | |
| tm.tm_min = vtm->min; | |
| tm.tm_sec = vtm->sec; | |
| tm.tm_isdst = 0; | |
| errmsg = find_time_t(&tm, 1, &t); | |
| if (errmsg) | |
| rb_raise(rb_eArgError, "%s", errmsg); | |
| return wadd(rb_time_magnify(TIMET2WV(t)), v2w(vtm->subsecx)); | |
| } | |
| static struct vtm * | |
| gmtimew(wideval_t timew, struct vtm *result) | |
| { | |
| time_t t; | |
| struct tm tm; | |
| VALUE subsecx; | |
| wideval_t timew2; | |
| if (wlt(timew, WINT2FIXWV(0))) { | |
| gmtimew_noleapsecond(timew, result); | |
| return result; | |
| } | |
| init_leap_second_info(); | |
| if (wlt(rb_time_magnify(TIMET2WV(known_leap_seconds_limit)), timew)) { | |
| timew = wsub(timew, rb_time_magnify(WINT2WV(number_of_leap_seconds_known))); | |
| gmtimew_noleapsecond(timew, result); | |
| return result; | |
| } | |
| split_second(timew, &timew2, &subsecx); | |
| t = WV2TIMET(timew2); | |
| if (!gmtime_with_leapsecond(&t, &tm)) | |
| return NULL; | |
| result->year = LONG2NUM((long)tm.tm_year + 1900); | |
| result->mon = tm.tm_mon + 1; | |
| result->mday = tm.tm_mday; | |
| result->hour = tm.tm_hour; | |
| result->min = tm.tm_min; | |
| result->sec = tm.tm_sec; | |
| result->subsecx = subsecx; | |
| result->utc_offset = INT2FIX(0); | |
| result->wday = tm.tm_wday; | |
| result->yday = tm.tm_yday+1; | |
| result->isdst = tm.tm_isdst; | |
| result->zone = "UTC"; | |
| return result; | |
| } | |
| static struct tm *localtime_with_gmtoff_zone(const time_t *t, struct tm *result, long *gmtoff, const char **zone); | |
| /* | |
| * The idea is borrowed from Perl: | |
| * http://web.archive.org/web/20080211114141/http://use.perl.org/articles/08/02/07/197204.shtml | |
| * | |
| * compat_common_month_table is generated by the following program. | |
| * This table finds the last month which starts at the same day of a week. | |
| * The year 2037 is not used because: | |
| * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=522949 | |
| * | |
| * #!/usr/bin/ruby | |
| * | |
| * require 'date' | |
| * | |
| * h = {} | |
| * 2036.downto(2010) {|y| | |
| * 1.upto(12) {|m| | |
| * next if m == 2 && y % 4 == 0 | |
| * d = Date.new(y,m,1) | |
| * h[m] ||= {} | |
| * h[m][d.wday] ||= y | |
| * } | |
| * } | |
| * | |
| * 1.upto(12) {|m| | |
| * print "{" | |
| * 0.upto(6) {|w| | |
| * y = h[m][w] | |
| * print " #{y}," | |
| * } | |
| * puts "}," | |
| * } | |
| * | |
| */ | |
| static int compat_common_month_table[12][7] = { | |
| /* Sun Mon Tue Wed Thu Fri Sat */ | |
| { 2034, 2035, 2036, 2031, 2032, 2027, 2033 }, /* January */ | |
| { 2026, 2027, 2033, 2034, 2035, 2030, 2031 }, /* February */ | |
| { 2026, 2032, 2033, 2034, 2035, 2030, 2036 }, /* March */ | |
| { 2035, 2030, 2036, 2026, 2032, 2033, 2034 }, /* April */ | |
| { 2033, 2034, 2035, 2030, 2036, 2026, 2032 }, /* May */ | |
| { 2036, 2026, 2032, 2033, 2034, 2035, 2030 }, /* June */ | |
| { 2035, 2030, 2036, 2026, 2032, 2033, 2034 }, /* July */ | |
| { 2032, 2033, 2034, 2035, 2030, 2036, 2026 }, /* August */ | |
| { 2030, 2036, 2026, 2032, 2033, 2034, 2035 }, /* September */ | |
| { 2034, 2035, 2030, 2036, 2026, 2032, 2033 }, /* October */ | |
| { 2026, 2032, 2033, 2034, 2035, 2030, 2036 }, /* November */ | |
| { 2030, 2036, 2026, 2032, 2033, 2034, 2035 }, /* December */ | |
| }; | |
| /* | |
| * compat_leap_month_table is generated by following program. | |
| * | |
| * #!/usr/bin/ruby | |
| * | |
| * require 'date' | |
| * | |
| * h = {} | |
| * 2037.downto(2010) {|y| | |
| * 1.upto(12) {|m| | |
| * next unless m == 2 && y % 4 == 0 | |
| * d = Date.new(y,m,1) | |
| * h[m] ||= {} | |
| * h[m][d.wday] ||= y | |
| * } | |
| * } | |
| * | |
| * 2.upto(2) {|m| | |
| * 0.upto(6) {|w| | |
| * y = h[m][w] | |
| * print " #{y}," | |
| * } | |
| * puts | |
| * } | |
| */ | |
| static int compat_leap_month_table[7] = { | |
| /* Sun Mon Tue Wed Thu Fri Sat */ | |
| 2032, 2016, 2028, 2012, 2024, 2036, 2020, /* February */ | |
| }; | |
| static int | |
| calc_wday(int year, int month, int day) | |
| { | |
| int a, y, m; | |
| int wday; | |
| a = (14 - month) / 12; | |
| y = year + 4800 - a; | |
| m = month + 12 * a - 3; | |
| wday = day + (153*m+2)/5 + 365*y + y/4 - y/100 + y/400 + 2; | |
| wday = wday % 7; | |
| return wday; | |
| } | |
| static VALUE | |
| guess_local_offset(struct vtm *vtm_utc, int *isdst_ret, const char **zone_ret) | |
| { | |
| struct tm tm; | |
| long gmtoff; | |
| const char *zone; | |
| time_t t; | |
| struct vtm vtm2; | |
| VALUE timev; | |
| int y, wday; | |
| /* Daylight Saving Time was introduced in 1916. | |
| * So we don't need to care about DST before that. */ | |
| if (lt(vtm_utc->year, INT2FIX(1916))) { | |
| VALUE off = INT2FIX(0); | |
| int isdst = 0; | |
| zone = "UTC"; | |
| # if defined(NEGATIVE_TIME_T) | |
| # if SIZEOF_TIME_T <= 4 | |
| /* 1901-12-13 20:45:52 UTC : The oldest time in 32-bit signed time_t. */ | |
| # define THE_TIME_OLD_ENOUGH ((time_t)0x80000000) | |
| # else | |
| /* Since the Royal Greenwich Observatory was commissioned in 1675, | |
| no timezone defined using GMT at 1600. */ | |
| # define THE_TIME_OLD_ENOUGH ((time_t)(1600-1970)*366*24*60*60) | |
| # endif | |
| if (localtime_with_gmtoff_zone((t = THE_TIME_OLD_ENOUGH, &t), &tm, &gmtoff, &zone)) { | |
| off = LONG2FIX(gmtoff); | |
| isdst = tm.tm_isdst; | |
| } | |
| else | |
| # endif | |
| /* 1970-01-01 00:00:00 UTC : The Unix epoch - the oldest time in portable time_t. */ | |
| if (localtime_with_gmtoff_zone((t = 0, &t), &tm, &gmtoff, &zone)) { | |
| off = LONG2FIX(gmtoff); | |
| isdst = tm.tm_isdst; | |
| } | |
| if (isdst_ret) | |
| *isdst_ret = isdst; | |
| if (zone_ret) | |
| *zone_ret = zone; | |
| return off; | |
| } | |
| /* It is difficult to guess the future. */ | |
| vtm2 = *vtm_utc; | |
| /* guess using a year before 2038. */ | |
| y = NUM2INT(mod(vtm_utc->year, INT2FIX(400))); | |
| wday = calc_wday(y, vtm_utc->mon, 1); | |
| if (vtm_utc->mon == 2 && leap_year_p(y)) | |
| vtm2.year = INT2FIX(compat_leap_month_table[wday]); | |
| else | |
| vtm2.year = INT2FIX(compat_common_month_table[vtm_utc->mon-1][wday]); | |
| timev = w2v(rb_time_unmagnify(timegmw(&vtm2))); | |
| t = NUM2TIMET(timev); | |
| zone = "UTC"; | |
| if (localtime_with_gmtoff_zone(&t, &tm, &gmtoff, &zone)) { | |
| if (isdst_ret) | |
| *isdst_ret = tm.tm_isdst; | |
| if (zone_ret) | |
| *zone_ret = zone; | |
| return LONG2FIX(gmtoff); | |
| } | |
| { | |
| /* Use the current time offset as a last resort. */ | |
| static time_t now = 0; | |
| static long now_gmtoff = 0; | |
| static const char *now_zone = "UTC"; | |
| if (now == 0) { | |
| now = time(NULL); | |
| localtime_with_gmtoff_zone(&now, &tm, &now_gmtoff, &now_zone); | |
| } | |
| if (isdst_ret) | |
| *isdst_ret = tm.tm_isdst; | |
| if (zone_ret) | |
| *zone_ret = now_zone; | |
| return LONG2FIX(now_gmtoff); | |
| } | |
| } | |
| static VALUE | |
| small_vtm_sub(struct vtm *vtm1, struct vtm *vtm2) | |
| { | |
| int off; | |
| off = vtm1->sec - vtm2->sec; | |
| off += (vtm1->min - vtm2->min) * 60; | |
| off += (vtm1->hour - vtm2->hour) * 3600; | |
| if (ne(vtm1->year, vtm2->year)) | |
| off += lt(vtm1->year, vtm2->year) ? -24*3600 : 24*3600; | |
| else if (vtm1->mon != vtm2->mon) | |
| off += vtm1->mon < vtm2->mon ? -24*3600 : 24*3600; | |
| else if (vtm1->mday != vtm2->mday) | |
| off += vtm1->mday < vtm2->mday ? -24*3600 : 24*3600; | |
| return INT2FIX(off); | |
| } | |
| static wideval_t | |
| timelocalw(struct vtm *vtm) | |
| { | |
| time_t t; | |
| struct tm tm; | |
| VALUE v; | |
| wideval_t timew1, timew2; | |
| struct vtm vtm1, vtm2; | |
| int n; | |
| if (FIXNUM_P(vtm->year)) { | |
| long l = FIX2LONG(vtm->year) - 1900; | |
| if (l < INT_MIN || INT_MAX < l) | |
| goto no_localtime; | |
| tm.tm_year = (int)l; | |
| } | |
| else { | |
| v = sub(vtm->year, INT2FIX(1900)); | |
| if (lt(v, INT2NUM(INT_MIN)) || lt(INT2NUM(INT_MAX), v)) | |
| goto no_localtime; | |
| tm.tm_year = NUM2INT(v); | |
| } | |
| tm.tm_mon = vtm->mon-1; | |
| tm.tm_mday = vtm->mday; | |
| tm.tm_hour = vtm->hour; | |
| tm.tm_min = vtm->min; | |
| tm.tm_sec = vtm->sec; | |
| tm.tm_isdst = vtm->isdst; | |
| if (find_time_t(&tm, 0, &t)) | |
| goto no_localtime; | |
| return wadd(rb_time_magnify(TIMET2WV(t)), v2w(vtm->subsecx)); | |
| no_localtime: | |
| timew1 = timegmw(vtm); | |
| if (!localtimew(timew1, &vtm1)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| n = vtmcmp(vtm, &vtm1); | |
| if (n == 0) { | |
| timew1 = wsub(timew1, rb_time_magnify(WINT2FIXWV(12*3600))); | |
| if (!localtimew(timew1, &vtm1)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| n = 1; | |
| } | |
| if (n < 0) { | |
| timew2 = timew1; | |
| vtm2 = vtm1; | |
| timew1 = wsub(timew1, rb_time_magnify(WINT2FIXWV(24*3600))); | |
| if (!localtimew(timew1, &vtm1)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| } | |
| else { | |
| timew2 = wadd(timew1, rb_time_magnify(WINT2FIXWV(24*3600))); | |
| if (!localtimew(timew2, &vtm2)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| } | |
| timew1 = wadd(timew1, rb_time_magnify(v2w(small_vtm_sub(vtm, &vtm1)))); | |
| timew2 = wadd(timew2, rb_time_magnify(v2w(small_vtm_sub(vtm, &vtm2)))); | |
| if (weq(timew1, timew2)) | |
| return timew1; | |
| if (!localtimew(timew1, &vtm1)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| if (vtm->hour != vtm1.hour || vtm->min != vtm1.min || vtm->sec != vtm1.sec) | |
| return timew2; | |
| if (!localtimew(timew2, &vtm2)) | |
| rb_raise(rb_eArgError, "localtimew error"); | |
| if (vtm->hour != vtm2.hour || vtm->min != vtm2.min || vtm->sec != vtm2.sec) | |
| return timew1; | |
| if (vtm->isdst) | |
| return lt(vtm1.utc_offset, vtm2.utc_offset) ? timew2 : timew1; | |
| else | |
| return lt(vtm1.utc_offset, vtm2.utc_offset) ? timew1 : timew2; | |
| } | |
| static struct tm * | |
| localtime_with_gmtoff_zone(const time_t *t, struct tm *result, long *gmtoff, const char **zone) | |
| { | |
| struct tm tm; | |
| if (LOCALTIME(t, tm)) { | |
| #if defined(HAVE_STRUCT_TM_TM_GMTOFF) | |
| *gmtoff = tm.tm_gmtoff; | |
| #else | |
| struct tm *u, *l; | |
| long off; | |
| struct tm tmbuf; | |
| l = &tm; | |
| u = GMTIME(t, tmbuf); | |
| if (!u) | |
| return NULL; | |
| if (l->tm_year != u->tm_year) | |
| off = l->tm_year < u->tm_year ? -1 : 1; | |
| else if (l->tm_mon != u->tm_mon) | |
| off = l->tm_mon < u->tm_mon ? -1 : 1; | |
| else if (l->tm_mday != u->tm_mday) | |
| off = l->tm_mday < u->tm_mday ? -1 : 1; | |
| else | |
| off = 0; | |
| off = off * 24 + l->tm_hour - u->tm_hour; | |
| off = off * 60 + l->tm_min - u->tm_min; | |
| off = off * 60 + l->tm_sec - u->tm_sec; | |
| *gmtoff = off; | |
| #endif | |
| if (zone) { | |
| #if defined(HAVE_TM_ZONE) | |
| if (tm.tm_zone) | |
| *zone = zone_str(tm.tm_zone); | |
| else | |
| *zone = zone_str("(NO-TIMEZONE-ABBREVIATION)"); | |
| #elif defined(HAVE_TZNAME) && defined(HAVE_DAYLIGHT) | |
| /* this needs tzset or localtime, instead of localtime_r */ | |
| *zone = zone_str(tzname[daylight && tm.tm_isdst]); | |
| #else | |
| { | |
| char buf[64]; | |
| strftime(buf, sizeof(buf), "%Z", &tm); | |
| *zone = zone_str(buf); | |
| } | |
| #endif | |
| } | |
| *result = tm; | |
| return result; | |
| } | |
| return NULL; | |
| } | |
| static int | |
| timew_out_of_timet_range(wideval_t timew) | |
| { | |
| VALUE timexv; | |
| #if WIDEVALUE_IS_WIDER && SIZEOF_TIME_T < SIZEOF_INT64_T | |
| if (FIXWV_P(timew)) { | |
| wideint_t t = FIXWV2WINT(timew); | |
| if (t < TIME_SCALE * (wideint_t)TIMET_MIN || | |
| TIME_SCALE * (1 + (wideint_t)TIMET_MAX) <= t) | |
| return 1; | |
| return 0; | |
| } | |
| #endif | |
| #if SIZEOF_TIME_T == SIZEOF_INT64_T | |
| if (FIXWV_P(timew)) { | |
| wideint_t t = FIXWV2WINT(timew); | |
| if (~(time_t)0 <= 0) { | |
| return 0; | |
| } | |
| else { | |
| if (t < 0) | |
| return 1; | |
| return 0; | |
| } | |
| } | |
| #endif | |
| timexv = w2v(timew); | |
| if (lt(timexv, mul(INT2FIX(TIME_SCALE), TIMET2NUM(TIMET_MIN))) || | |
| le(mul(INT2FIX(TIME_SCALE), add(TIMET2NUM(TIMET_MAX), INT2FIX(1))), timexv)) | |
| return 1; | |
| return 0; | |
| } | |
| static struct vtm * | |
| localtimew(wideval_t timew, struct vtm *result) | |
| { | |
| VALUE subsecx, offset; | |
| const char *zone; | |
| int isdst; | |
| if (!timew_out_of_timet_range(timew)) { | |
| time_t t; | |
| struct tm tm; | |
| long gmtoff; | |
| wideval_t timew2; | |
| split_second(timew, &timew2, &subsecx); | |
| t = WV2TIMET(timew2); | |
| if (localtime_with_gmtoff_zone(&t, &tm, &gmtoff, &zone)) { | |
| result->year = LONG2NUM((long)tm.tm_year + 1900); | |
| result->mon = tm.tm_mon + 1; | |
| result->mday = tm.tm_mday; | |
| result->hour = tm.tm_hour; | |
| result->min = tm.tm_min; | |
| result->sec = tm.tm_sec; | |
| result->subsecx = subsecx; | |
| result->wday = tm.tm_wday; | |
| result->yday = tm.tm_yday+1; | |
| result->isdst = tm.tm_isdst; | |
| result->utc_offset = LONG2NUM(gmtoff); | |
| result->zone = zone; | |
| return result; | |
| } | |
| } | |
| if (!gmtimew(timew, result)) | |
| return NULL; | |
| offset = guess_local_offset(result, &isdst, &zone); | |
| if (!gmtimew(wadd(timew, rb_time_magnify(v2w(offset))), result)) | |
| return NULL; | |
| result->utc_offset = offset; | |
| result->isdst = isdst; | |
| result->zone = zone; | |
| return result; | |
| } | |
| PACKED_STRUCT_UNALIGNED(struct time_object { | |
| wideval_t timew; /* time_t value * TIME_SCALE. possibly Rational. */ | |
| struct vtm vtm; | |
| uint8_t gmt:3; /* 0:utc 1:localtime 2:fixoff 3:init */ | |
| uint8_t tm_got:1; | |
| }); | |
| #define GetTimeval(obj, tobj) ((tobj) = get_timeval(obj)) | |
| #define GetNewTimeval(obj, tobj) ((tobj) = get_new_timeval(obj)) | |
| #define IsTimeval(obj) rb_typeddata_is_kind_of((obj), &time_data_type) | |
| #define TIME_INIT_P(tobj) ((tobj)->gmt != TO_GMT_INITVAL) | |
| #define TIME_UTC_P(tobj) ((tobj)->gmt == 1) | |
| #define TIME_SET_UTC(tobj) ((tobj)->gmt = 1) | |
| #define TIME_LOCALTIME_P(tobj) ((tobj)->gmt == 0) | |
| #define TIME_SET_LOCALTIME(tobj) ((tobj)->gmt = 0) | |
| #define TIME_FIXOFF_P(tobj) ((tobj)->gmt == 2) | |
| #define TIME_SET_FIXOFF(tobj, off) \ | |
| ((tobj)->gmt = 2, \ | |
| (tobj)->vtm.utc_offset = (off), \ | |
| (tobj)->vtm.zone = NULL) | |
| #define TIME_COPY_GMT(tobj1, tobj2) \ | |
| ((tobj1)->gmt = (tobj2)->gmt, \ | |
| (tobj1)->vtm.utc_offset = (tobj2)->vtm.utc_offset, \ | |
| (tobj1)->vtm.zone = (tobj2)->vtm.zone) | |
| static VALUE time_get_tm(VALUE, struct time_object *); | |
| #define MAKE_TM(time, tobj) \ | |
| do { \ | |
| if ((tobj)->tm_got == 0) { \ | |
| time_get_tm((time), (tobj)); \ | |
| } \ | |
| } while (0) | |
| static void | |
| time_mark(void *ptr) | |
| { | |
| struct time_object *tobj = ptr; | |
| if (!FIXWV_P(tobj->timew)) | |
| rb_gc_mark(w2v(tobj->timew)); | |
| rb_gc_mark(tobj->vtm.year); | |
| rb_gc_mark(tobj->vtm.subsecx); | |
| rb_gc_mark(tobj->vtm.utc_offset); | |
| } | |
| static size_t | |
| time_memsize(const void *tobj) | |
| { | |
| return sizeof(struct time_object); | |
| } | |
| static const rb_data_type_t time_data_type = { | |
| "time", | |
| {time_mark, RUBY_TYPED_DEFAULT_FREE, time_memsize,}, | |
| 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | |
| }; | |
| static VALUE | |
| time_s_alloc(VALUE klass) | |
| { | |
| VALUE obj; | |
| struct time_object *tobj; | |
| obj = TypedData_Make_Struct(klass, struct time_object, &time_data_type, tobj); | |
| tobj->gmt = TO_GMT_INITVAL; | |
| tobj->tm_got=0; | |
| tobj->timew = WINT2FIXWV(0); | |
| return obj; | |
| } | |
| static struct time_object * | |
| get_timeval(VALUE obj) | |
| { | |
| struct time_object *tobj; | |
| TypedData_Get_Struct(obj, struct time_object, &time_data_type, tobj); | |
| if (!TIME_INIT_P(tobj)) { | |
| rb_raise(rb_eTypeError, "uninitialized %"PRIsVALUE, rb_obj_class(obj)); | |
| } | |
| return tobj; | |
| } | |
| static struct time_object * | |
| get_new_timeval(VALUE obj) | |
| { | |
| struct time_object *tobj; | |
| TypedData_Get_Struct(obj, struct time_object, &time_data_type, tobj); | |
| if (TIME_INIT_P(tobj)) { | |
| rb_raise(rb_eTypeError, "already initialized %"PRIsVALUE, rb_obj_class(obj)); | |
| } | |
| return tobj; | |
| } | |
| static void | |
| time_modify(VALUE time) | |
| { | |
| rb_check_frozen(time); | |
| rb_check_trusted(time); | |
| } | |
| static wideval_t | |
| timespec2timew(struct timespec *ts) | |
| { | |
| wideval_t timew; | |
| timew = rb_time_magnify(TIMET2WV(ts->tv_sec)); | |
| if (ts->tv_nsec) | |
| timew = wadd(timew, wmulquoll(WINT2WV(ts->tv_nsec), TIME_SCALE, 1000000000)); | |
| return timew; | |
| } | |
| static struct timespec | |
| timew2timespec(wideval_t timew) | |
| { | |
| VALUE subsecx; | |
| struct timespec ts; | |
| wideval_t timew2; | |
| if (timew_out_of_timet_range(timew)) | |
| rb_raise(rb_eArgError, "time out of system range"); | |
| split_second(timew, &timew2, &subsecx); | |
| ts.tv_sec = WV2TIMET(timew2); | |
| ts.tv_nsec = NUM2LONG(mulquo(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE))); | |
| return ts; | |
| } | |
| static struct timespec * | |
| timew2timespec_exact(wideval_t timew, struct timespec *ts) | |
| { | |
| VALUE subsecx; | |
| wideval_t timew2; | |
| VALUE nsecv; | |
| if (timew_out_of_timet_range(timew)) | |
| return NULL; | |
| split_second(timew, &timew2, &subsecx); | |
| ts->tv_sec = WV2TIMET(timew2); | |
| nsecv = mulquo(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE)); | |
| if (!FIXNUM_P(nsecv)) | |
| return NULL; | |
| ts->tv_nsec = NUM2LONG(nsecv); | |
| return ts; | |
| } | |
| static VALUE | |
| time_init_0(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct timespec ts; | |
| time_modify(time); | |
| GetNewTimeval(time, tobj); | |
| tobj->gmt = 0; | |
| tobj->tm_got=0; | |
| tobj->timew = WINT2FIXWV(0); | |
| #ifdef HAVE_CLOCK_GETTIME | |
| if (clock_gettime(CLOCK_REALTIME, &ts) == -1) { | |
| rb_sys_fail("clock_gettime"); | |
| } | |
| #else | |
| { | |
| struct timeval tv; | |
| if (gettimeofday(&tv, 0) < 0) { | |
| rb_sys_fail("gettimeofday"); | |
| } | |
| ts.tv_sec = tv.tv_sec; | |
| ts.tv_nsec = tv.tv_usec * 1000; | |
| } | |
| #endif | |
| tobj->timew = timespec2timew(&ts); | |
| return time; | |
| } | |
| static VALUE | |
| time_set_utc_offset(VALUE time, VALUE off) | |
| { | |
| struct time_object *tobj; | |
| off = num_exact(off); | |
| time_modify(time); | |
| GetTimeval(time, tobj); | |
| tobj->tm_got = 0; | |
| TIME_SET_FIXOFF(tobj, off); | |
| return time; | |
| } | |
| static void | |
| vtm_add_offset(struct vtm *vtm, VALUE off) | |
| { | |
| int sign; | |
| VALUE subsec, v; | |
| int sec, min, hour; | |
| int day; | |
| vtm->utc_offset = sub(vtm->utc_offset, off); | |
| if (lt(off, INT2FIX(0))) { | |
| sign = -1; | |
| off = neg(off); | |
| } | |
| else { | |
| sign = 1; | |
| } | |
| divmodv(off, INT2FIX(1), &off, &subsec); | |
| divmodv(off, INT2FIX(60), &off, &v); | |
| sec = NUM2INT(v); | |
| divmodv(off, INT2FIX(60), &off, &v); | |
| min = NUM2INT(v); | |
| divmodv(off, INT2FIX(24), &off, &v); | |
| hour = NUM2INT(v); | |
| if (sign < 0) { | |
| subsec = neg(subsec); | |
| sec = -sec; | |
| min = -min; | |
| hour = -hour; | |
| } | |
| day = 0; | |
| if (!rb_equal(subsec, INT2FIX(0))) { | |
| vtm->subsecx = add(vtm->subsecx, w2v(rb_time_magnify(v2w(subsec)))); | |
| if (lt(vtm->subsecx, INT2FIX(0))) { | |
| vtm->subsecx = add(vtm->subsecx, INT2FIX(TIME_SCALE)); | |
| sec -= 1; | |
| } | |
| if (le(INT2FIX(TIME_SCALE), vtm->subsecx)) { | |
| vtm->subsecx = sub(vtm->subsecx, INT2FIX(TIME_SCALE)); | |
| sec += 1; | |
| } | |
| goto not_zero_sec; | |
| } | |
| if (sec) { | |
| not_zero_sec: | |
| /* If sec + subsec == 0, don't change vtm->sec. | |
| * It may be 60 which is a leap second. */ | |
| sec += vtm->sec; | |
| if (sec < 0) { | |
| sec += 60; | |
| min -= 1; | |
| } | |
| if (60 <= sec) { | |
| sec -= 60; | |
| min += 1; | |
| } | |
| vtm->sec = sec; | |
| } | |
| if (min) { | |
| min += vtm->min; | |
| if (min < 0) { | |
| min += 60; | |
| hour -= 1; | |
| } | |
| if (60 <= min) { | |
| min -= 60; | |
| hour += 1; | |
| } | |
| vtm->min = min; | |
| } | |
| if (hour) { | |
| hour += vtm->hour; | |
| if (hour < 0) { | |
| hour += 24; | |
| day = -1; | |
| } | |
| if (24 <= hour) { | |
| hour -= 24; | |
| day = 1; | |
| } | |
| vtm->hour = hour; | |
| } | |
| if (day) { | |
| if (day < 0) { | |
| if (vtm->mon == 1 && vtm->mday == 1) { | |
| vtm->mday = 31; | |
| vtm->mon = 12; /* December */ | |
| vtm->year = sub(vtm->year, INT2FIX(1)); | |
| vtm->yday = leap_year_v_p(vtm->year) ? 365 : 364; | |
| } | |
| else if (vtm->mday == 1) { | |
| const int *days_in_month = leap_year_v_p(vtm->year) ? | |
| leap_year_days_in_month : | |
| common_year_days_in_month; | |
| vtm->mon--; | |
| vtm->mday = days_in_month[vtm->mon-1]; | |
| vtm->yday--; | |
| } | |
| else { | |
| vtm->mday--; | |
| vtm->yday--; | |
| } | |
| vtm->wday = (vtm->wday + 6) % 7; | |
| } | |
| else { | |
| int leap = leap_year_v_p(vtm->year); | |
| if (vtm->mon == 12 && vtm->mday == 31) { | |
| vtm->year = add(vtm->year, INT2FIX(1)); | |
| vtm->mon = 1; /* January */ | |
| vtm->mday = 1; | |
| vtm->yday = 1; | |
| } | |
| else if (vtm->mday == (leap ? leap_year_days_in_month : | |
| common_year_days_in_month)[vtm->mon-1]) { | |
| vtm->mon++; | |
| vtm->mday = 1; | |
| vtm->yday++; | |
| } | |
| else { | |
| vtm->mday++; | |
| vtm->yday++; | |
| } | |
| vtm->wday = (vtm->wday + 1) % 7; | |
| } | |
| } | |
| } | |
| static VALUE | |
| utc_offset_arg(VALUE arg) | |
| { | |
| VALUE tmp; | |
| if (!NIL_P(tmp = rb_check_string_type(arg))) { | |
| int n = 0; | |
| char *s = RSTRING_PTR(tmp); | |
| if (!rb_enc_str_asciicompat_p(tmp)) { | |
| invalid_utc_offset: | |
| rb_raise(rb_eArgError, "\"+HH:MM\" or \"-HH:MM\" expected for utc_offset"); | |
| } | |
| switch (RSTRING_LEN(tmp)) { | |
| case 9: | |
| if (s[6] != ':') goto invalid_utc_offset; | |
| if (!ISDIGIT(s[7]) || !ISDIGIT(s[8])) goto invalid_utc_offset; | |
| n += (s[7] * 10 + s[8] - '0' * 11); | |
| case 6: | |
| if (s[0] != '+' && s[0] != '-') goto invalid_utc_offset; | |
| if (!ISDIGIT(s[1]) || !ISDIGIT(s[2])) goto invalid_utc_offset; | |
| if (s[3] != ':') goto invalid_utc_offset; | |
| if (!ISDIGIT(s[4]) || !ISDIGIT(s[5])) goto invalid_utc_offset; | |
| if (s[4] > '5') goto invalid_utc_offset; | |
| break; | |
| default: | |
| goto invalid_utc_offset; | |
| } | |
| n += (s[1] * 10 + s[2] - '0' * 11) * 3600; | |
| n += (s[4] * 10 + s[5] - '0' * 11) * 60; | |
| if (s[0] == '-') | |
| n = -n; | |
| return INT2FIX(n); | |
| } | |
| else { | |
| return num_exact(arg); | |
| } | |
| } | |
| static VALUE | |
| time_init_1(int argc, VALUE *argv, VALUE time) | |
| { | |
| struct vtm vtm; | |
| VALUE v[7]; | |
| struct time_object *tobj; | |
| vtm.wday = VTM_WDAY_INITVAL; | |
| vtm.yday = 0; | |
| vtm.zone = ""; | |
| /* year mon mday hour min sec off */ | |
| rb_scan_args(argc, argv, "16", &v[0],&v[1],&v[2],&v[3],&v[4],&v[5],&v[6]); | |
| vtm.year = obj2vint(v[0]); | |
| vtm.mon = NIL_P(v[1]) ? 1 : month_arg(v[1]); | |
| vtm.mday = NIL_P(v[2]) ? 1 : obj2ubits(v[2], 5); | |
| vtm.hour = NIL_P(v[3]) ? 0 : obj2ubits(v[3], 5); | |
| vtm.min = NIL_P(v[4]) ? 0 : obj2ubits(v[4], 6); | |
| vtm.subsecx = INT2FIX(0); | |
| vtm.sec = NIL_P(v[5]) ? 0 : obj2subsecx(v[5], &vtm.subsecx); | |
| vtm.isdst = VTM_ISDST_INITVAL; | |
| vtm.utc_offset = Qnil; | |
| if (!NIL_P(v[6])) { | |
| VALUE arg = v[6]; | |
| if (arg == ID2SYM(rb_intern("dst"))) | |
| vtm.isdst = 1; | |
| else if (arg == ID2SYM(rb_intern("std"))) | |
| vtm.isdst = 0; | |
| else | |
| vtm.utc_offset = utc_offset_arg(arg); | |
| } | |
| validate_vtm(&vtm); | |
| time_modify(time); | |
| GetNewTimeval(time, tobj); | |
| tobj->gmt = 0; | |
| tobj->tm_got=0; | |
| tobj->timew = WINT2FIXWV(0); | |
| if (!NIL_P(vtm.utc_offset)) { | |
| VALUE off = vtm.utc_offset; | |
| vtm_add_offset(&vtm, neg(off)); | |
| vtm.utc_offset = Qnil; | |
| tobj->timew = timegmw(&vtm); | |
| return time_set_utc_offset(time, off); | |
| } | |
| else { | |
| tobj->timew = timelocalw(&vtm); | |
| return time_localtime(time); | |
| } | |
| } | |
| /* | |
| * call-seq: | |
| * Time.new -> time | |
| * Time.new(year, month=nil, day=nil, hour=nil, min=nil, sec=nil, utc_offset=nil) -> time | |
| * | |
| * Returns a Time object. | |
| * | |
| * It is initialized to the current system time if no argument is given. | |
| * | |
| * *Note:* The new object will use the resolution available on your | |
| * system clock, and may include fractional seconds. | |
| * | |
| * If one or more arguments specified, the time is initialized to the specified | |
| * time. | |
| * | |
| * +sec+ may have fraction if it is a rational. | |
| * | |
| * +utc_offset+ is the offset from UTC. | |
| * It can be a string such as "+09:00" or a number of seconds such as 32400. | |
| * | |
| * a = Time.new #=> 2007-11-19 07:50:02 -0600 | |
| * b = Time.new #=> 2007-11-19 07:50:02 -0600 | |
| * a == b #=> false | |
| * "%.6f" % a.to_f #=> "1195480202.282373" | |
| * "%.6f" % b.to_f #=> "1195480202.283415" | |
| * | |
| * Time.new(2008,6,21, 13,30,0, "+09:00") #=> 2008-06-21 13:30:00 +0900 | |
| * | |
| * # A trip for RubyConf 2007 | |
| * t1 = Time.new(2007,11,1,15,25,0, "+09:00") # JST (Narita) | |
| * t2 = Time.new(2007,11,1,12, 5,0, "-05:00") # CDT (Minneapolis) | |
| * t3 = Time.new(2007,11,1,13,25,0, "-05:00") # CDT (Minneapolis) | |
| * t4 = Time.new(2007,11,1,16,53,0, "-04:00") # EDT (Charlotte) | |
| * t5 = Time.new(2007,11,5, 9,24,0, "-05:00") # EST (Charlotte) | |
| * t6 = Time.new(2007,11,5,11,21,0, "-05:00") # EST (Detroit) | |
| * t7 = Time.new(2007,11,5,13,45,0, "-05:00") # EST (Detroit) | |
| * t8 = Time.new(2007,11,6,17,10,0, "+09:00") # JST (Narita) | |
| * p((t2-t1)/3600.0) #=> 10.666666666666666 | |
| * p((t4-t3)/3600.0) #=> 2.466666666666667 | |
| * p((t6-t5)/3600.0) #=> 1.95 | |
| * p((t8-t7)/3600.0) #=> 13.416666666666666 | |
| * | |
| */ | |
| static VALUE | |
| time_init(int argc, VALUE *argv, VALUE time) | |
| { | |
| if (argc == 0) | |
| return time_init_0(time); | |
| else | |
| return time_init_1(argc, argv, time); | |
| } | |
| static void | |
| time_overflow_p(time_t *secp, long *nsecp) | |
| { | |
| time_t sec = *secp; | |
| long nsec = *nsecp; | |
| long sec2; | |
| if (nsec >= 1000000000) { /* nsec positive overflow */ | |
| sec2 = nsec / 1000000000; | |
| if (TIMET_MAX - sec2 < sec) { | |
| rb_raise(rb_eRangeError, "out of Time range"); | |
| } | |
| nsec -= sec2 * 1000000000; | |
| sec += sec2; | |
| } | |
| else if (nsec < 0) { /* nsec negative overflow */ | |
| sec2 = NDIV(nsec,1000000000); /* negative div */ | |
| if (sec < TIMET_MIN - sec2) { | |
| rb_raise(rb_eRangeError, "out of Time range"); | |
| } | |
| nsec -= sec2 * 1000000000; | |
| sec += sec2; | |
| } | |
| #ifndef NEGATIVE_TIME_T | |
| if (sec < 0) | |
| rb_raise(rb_eArgError, "time must be positive"); | |
| #endif | |
| *secp = sec; | |
| *nsecp = nsec; | |
| } | |
| static wideval_t | |
| nsec2timew(time_t sec, long nsec) | |
| { | |
| struct timespec ts; | |
| time_overflow_p(&sec, &nsec); | |
| ts.tv_sec = sec; | |
| ts.tv_nsec = nsec; | |
| return timespec2timew(&ts); | |
| } | |
| static VALUE | |
| time_new_timew(VALUE klass, wideval_t timew) | |
| { | |
| VALUE time = time_s_alloc(klass); | |
| struct time_object *tobj; | |
| tobj = DATA_PTR(time); /* skip type check */ | |
| tobj->gmt = 0; | |
| tobj->timew = timew; | |
| return time; | |
| } | |
| VALUE | |
| rb_time_new(time_t sec, long usec) | |
| { | |
| wideval_t timew; | |
| if (usec >= 1000000) { | |
| long sec2 = usec / 1000000; | |
| if (sec > TIMET_MAX - sec2) { | |
| rb_raise(rb_eRangeError, "out of Time range"); | |
| } | |
| usec -= sec2 * 1000000; | |
| sec += sec2; | |
| } | |
| else if (usec < 0) { | |
| long sec2 = NDIV(usec,1000000); /* negative div */ | |
| if (sec < TIMET_MIN - sec2) { | |
| rb_raise(rb_eRangeError, "out of Time range"); | |
| } | |
| usec -= sec2 * 1000000; | |
| sec += sec2; | |
| } | |
| timew = nsec2timew(sec, usec * 1000); | |
| return time_new_timew(rb_cTime, timew); | |
| } | |
| VALUE | |
| rb_time_nano_new(time_t sec, long nsec) | |
| { | |
| return time_new_timew(rb_cTime, nsec2timew(sec, nsec)); | |
| } | |
| VALUE | |
| rb_time_num_new(VALUE timev, VALUE off) | |
| { | |
| VALUE time = time_new_timew(rb_cTime, rb_time_magnify(v2w(timev))); | |
| if (!NIL_P(off)) { | |
| off = utc_offset_arg(off); | |
| validate_utc_offset(off); | |
| time_set_utc_offset(time, off); | |
| return time; | |
| } | |
| return time; | |
| } | |
| static struct timespec | |
| time_timespec(VALUE num, int interval) | |
| { | |
| struct timespec t; | |
| const char *tstr = interval ? "time interval" : "time"; | |
| VALUE i, f, ary; | |
| #ifndef NEGATIVE_TIME_T | |
| interval = 1; | |
| #endif | |
| switch (TYPE(num)) { | |
| case T_FIXNUM: | |
| t.tv_sec = NUM2TIMET(num); | |
| if (interval && t.tv_sec < 0) | |
| rb_raise(rb_eArgError, "%s must be positive", tstr); | |
| t.tv_nsec = 0; | |
| break; | |
| case T_FLOAT: | |
| if (interval && RFLOAT_VALUE(num) < 0.0) | |
| rb_raise(rb_eArgError, "%s must be positive", tstr); | |
| else { | |
| double f, d; | |
| d = modf(RFLOAT_VALUE(num), &f); | |
| if (d >= 0) { | |
| t.tv_nsec = (int)(d*1e9+0.5); | |
| if (t.tv_nsec >= 1000000000) { | |
| t.tv_nsec -= 1000000000; | |
| f += 1; | |
| } | |
| } | |
| else if ((t.tv_nsec = (int)(-d*1e9+0.5)) > 0) { | |
| t.tv_nsec = 1000000000 - t.tv_nsec; | |
| f -= 1; | |
| } | |
| t.tv_sec = (time_t)f; | |
| if (f != t.tv_sec) { | |
| rb_raise(rb_eRangeError, "%f out of Time range", RFLOAT_VALUE(num)); | |
| } | |
| } | |
| break; | |
| case T_BIGNUM: | |
| t.tv_sec = NUM2TIMET(num); | |
| if (interval && t.tv_sec < 0) | |
| rb_raise(rb_eArgError, "%s must be positive", tstr); | |
| t.tv_nsec = 0; | |
| break; | |
| default: | |
| i = INT2FIX(1); | |
| ary = rb_check_funcall(num, id_divmod, 1, &i); | |
| if (ary != Qundef && !NIL_P(ary = rb_check_array_type(ary))) { | |
| i = rb_ary_entry(ary, 0); | |
| f = rb_ary_entry(ary, 1); | |
| t.tv_sec = NUM2TIMET(i); | |
| if (interval && t.tv_sec < 0) | |
| rb_raise(rb_eArgError, "%s must be positive", tstr); | |
| f = rb_funcall(f, id_mul, 1, INT2FIX(1000000000)); | |
| t.tv_nsec = NUM2LONG(f); | |
| } | |
| else { | |
| rb_raise(rb_eTypeError, "can't convert %s into %s", | |
| rb_obj_classname(num), tstr); | |
| } | |
| break; | |
| } | |
| return t; | |
| } | |
| static struct timeval | |
| time_timeval(VALUE num, int interval) | |
| { | |
| struct timespec ts; | |
| struct timeval tv; | |
| ts = time_timespec(num, interval); | |
| tv.tv_sec = (TYPEOF_TIMEVAL_TV_SEC)ts.tv_sec; | |
| tv.tv_usec = (TYPEOF_TIMEVAL_TV_USEC)(ts.tv_nsec / 1000); | |
| return tv; | |
| } | |
| struct timeval | |
| rb_time_interval(VALUE num) | |
| { | |
| return time_timeval(num, TRUE); | |
| } | |
| struct timeval | |
| rb_time_timeval(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct timeval t; | |
| struct timespec ts; | |
| if (IsTimeval(time)) { | |
| GetTimeval(time, tobj); | |
| ts = timew2timespec(tobj->timew); | |
| t.tv_sec = (TYPEOF_TIMEVAL_TV_SEC)ts.tv_sec; | |
| t.tv_usec = (TYPEOF_TIMEVAL_TV_USEC)(ts.tv_nsec / 1000); | |
| return t; | |
| } | |
| return time_timeval(time, FALSE); | |
| } | |
| struct timespec | |
| rb_time_timespec(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct timespec t; | |
| if (IsTimeval(time)) { | |
| GetTimeval(time, tobj); | |
| t = timew2timespec(tobj->timew); | |
| return t; | |
| } | |
| return time_timespec(time, FALSE); | |
| } | |
| /* | |
| * call-seq: | |
| * Time.now -> time | |
| * | |
| * Creates a new Time object for the current time. | |
| * This is same as Time.new without arguments. | |
| * | |
| * Time.now #=> 2009-06-24 12:39:54 +0900 | |
| */ | |
| static VALUE | |
| time_s_now(VALUE klass) | |
| { | |
| return rb_class_new_instance(0, NULL, klass); | |
| } | |
| /* | |
| * call-seq: | |
| * Time.at(time) -> time | |
| * Time.at(seconds_with_frac) -> time | |
| * Time.at(seconds, microseconds_with_frac) -> time | |
| * | |
| * Creates a new Time object with the value given by +time+, | |
| * the given number of +seconds_with_frac+, or | |
| * +seconds+ and +microseconds_with_frac+ since the Epoch. | |
| * +seconds_with_frac+ and +microseconds_with_frac+ | |
| * can be an Integer, Float, Rational, or other Numeric. | |
| * non-portable feature allows the offset to be negative on some systems. | |
| * | |
| * If a numeric argument is given, the result is in local time. | |
| * | |
| * Time.at(0) #=> 1969-12-31 18:00:00 -0600 | |
| * Time.at(Time.at(0)) #=> 1969-12-31 18:00:00 -0600 | |
| * Time.at(946702800) #=> 1999-12-31 23:00:00 -0600 | |
| * Time.at(-284061600) #=> 1960-12-31 00:00:00 -0600 | |
| * Time.at(946684800.2).usec #=> 200000 | |
| * Time.at(946684800, 123456.789).nsec #=> 123456789 | |
| */ | |
| static VALUE | |
| time_s_at(int argc, VALUE *argv, VALUE klass) | |
| { | |
| VALUE time, t; | |
| wideval_t timew; | |
| if (rb_scan_args(argc, argv, "11", &time, &t) == 2) { | |
| time = num_exact(time); | |
| t = num_exact(t); | |
| timew = wadd(rb_time_magnify(v2w(time)), wmulquoll(v2w(t), TIME_SCALE, 1000000)); | |
| t = time_new_timew(klass, timew); | |
| } | |
| else if (IsTimeval(time)) { | |
| struct time_object *tobj, *tobj2; | |
| GetTimeval(time, tobj); | |
| t = time_new_timew(klass, tobj->timew); | |
| GetTimeval(t, tobj2); | |
| TIME_COPY_GMT(tobj2, tobj); | |
| } | |
| else { | |
| timew = rb_time_magnify(v2w(num_exact(time))); | |
| t = time_new_timew(klass, timew); | |
| } | |
| return t; | |
| } | |
| static const char months[][4] = { | |
| "jan", "feb", "mar", "apr", "may", "jun", | |
| "jul", "aug", "sep", "oct", "nov", "dec", | |
| }; | |
| static int | |
| obj2int(VALUE obj) | |
| { | |
| if (RB_TYPE_P(obj, T_STRING)) { | |
| obj = rb_str_to_inum(obj, 10, FALSE); | |
| } | |
| return NUM2INT(obj); | |
| } | |
| static uint32_t | |
| obj2ubits(VALUE obj, size_t bits) | |
| { | |
| static const uint32_t u32max = (uint32_t)-1; | |
| const uint32_t usable_mask = ~(u32max << bits); | |
| uint32_t rv; | |
| int tmp = obj2int(obj); | |
| if (tmp < 0) | |
| rb_raise(rb_eArgError, "argument out of range"); | |
| rv = tmp; | |
| if ((rv & usable_mask) != rv) | |
| rb_raise(rb_eArgError, "argument out of range"); | |
| return rv; | |
| } | |
| static VALUE | |
| obj2vint(VALUE obj) | |
| { | |
| if (RB_TYPE_P(obj, T_STRING)) { | |
| obj = rb_str_to_inum(obj, 10, FALSE); | |
| } | |
| else { | |
| obj = rb_to_int(obj); | |
| } | |
| return obj; | |
| } | |
| static uint32_t | |
| obj2subsecx(VALUE obj, VALUE *subsecx) | |
| { | |
| VALUE subsec; | |
| if (RB_TYPE_P(obj, T_STRING)) { | |
| obj = rb_str_to_inum(obj, 10, FALSE); | |
| *subsecx = INT2FIX(0); | |
| } | |
| else { | |
| divmodv(num_exact(obj), INT2FIX(1), &obj, &subsec); | |
| *subsecx = w2v(rb_time_magnify(v2w(subsec))); | |
| } | |
| return obj2ubits(obj, 6); /* vtm->sec */ | |
| } | |
| static long | |
| usec2subsecx(VALUE obj) | |
| { | |
| if (RB_TYPE_P(obj, T_STRING)) { | |
| obj = rb_str_to_inum(obj, 10, FALSE); | |
| } | |
| return mulquo(num_exact(obj), INT2FIX(TIME_SCALE), INT2FIX(1000000)); | |
| } | |
| static uint32_t | |
| month_arg(VALUE arg) | |
| { | |
| int i, mon; | |
| VALUE s = rb_check_string_type(arg); | |
| if (!NIL_P(s) && RSTRING_LEN(s) > 0) { | |
| mon = 0; | |
| for (i=0; i<12; i++) { | |
| if (RSTRING_LEN(s) == 3 && | |
| STRNCASECMP(months[i], RSTRING_PTR(s), 3) == 0) { | |
| mon = i+1; | |
| break; | |
| } | |
| } | |
| if (mon == 0) { | |
| char c = RSTRING_PTR(s)[0]; | |
| if ('0' <= c && c <= '9') { | |
| mon = obj2ubits(s, 4); | |
| } | |
| } | |
| } | |
| else { | |
| mon = obj2ubits(arg, 4); | |
| } | |
| return mon; | |
| } | |
| static VALUE | |
| validate_utc_offset(VALUE utc_offset) | |
| { | |
| if (le(utc_offset, INT2FIX(-86400)) || ge(utc_offset, INT2FIX(86400))) | |
| rb_raise(rb_eArgError, "utc_offset out of range"); | |
| return utc_offset; | |
| } | |
| static VALUE | |
| validate_zone_name(VALUE zone_name) | |
| { | |
| StringValueCStr(zone_name); | |
| return zone_name; | |
| } | |
| static void | |
| validate_vtm(struct vtm *vtm) | |
| { | |
| if ( vtm->mon < 1 || vtm->mon > 12 | |
| || vtm->mday < 1 || vtm->mday > 31 | |
| || vtm->hour < 0 || vtm->hour > 24 | |
| || (vtm->hour == 24 && (vtm->min > 0 || vtm->sec > 0)) | |
| || vtm->min < 0 || vtm->min > 59 | |
| || vtm->sec < 0 || vtm->sec > 60 | |
| || lt(vtm->subsecx, INT2FIX(0)) || ge(vtm->subsecx, INT2FIX(TIME_SCALE)) | |
| || (!NIL_P(vtm->utc_offset) && (validate_utc_offset(vtm->utc_offset), 0))) | |
| rb_raise(rb_eArgError, "argument out of range"); | |
| } | |
| static void | |
| time_arg(int argc, VALUE *argv, struct vtm *vtm) | |
| { | |
| VALUE v[8]; | |
| vtm->year = INT2FIX(0); | |
| vtm->mon = 0; | |
| vtm->mday = 0; | |
| vtm->hour = 0; | |
| vtm->min = 0; | |
| vtm->sec = 0; | |
| vtm->subsecx = INT2FIX(0); | |
| vtm->utc_offset = Qnil; | |
| vtm->wday = 0; | |
| vtm->yday = 0; | |
| vtm->isdst = 0; | |
| vtm->zone = ""; | |
| if (argc == 10) { | |
| v[0] = argv[5]; | |
| v[1] = argv[4]; | |
| v[2] = argv[3]; | |
| v[3] = argv[2]; | |
| v[4] = argv[1]; | |
| v[5] = argv[0]; | |
| v[6] = Qnil; | |
| vtm->isdst = RTEST(argv[8]) ? 1 : 0; | |
| } | |
| else { | |
| rb_scan_args(argc, argv, "17", &v[0],&v[1],&v[2],&v[3],&v[4],&v[5],&v[6],&v[7]); | |
| /* v[6] may be usec or zone (parsedate) */ | |
| /* v[7] is wday (parsedate; ignored) */ | |
| vtm->wday = VTM_WDAY_INITVAL; | |
| vtm->isdst = VTM_ISDST_INITVAL; | |
| } | |
| vtm->year = obj2vint(v[0]); | |
| if (NIL_P(v[1])) { | |
| vtm->mon = 1; | |
| } | |
| else { | |
| vtm->mon = month_arg(v[1]); | |
| } | |
| if (NIL_P(v[2])) { | |
| vtm->mday = 1; | |
| } | |
| else { | |
| vtm->mday = obj2ubits(v[2], 5); | |
| } | |
| vtm->hour = NIL_P(v[3])?0:obj2ubits(v[3], 5); | |
| vtm->min = NIL_P(v[4])?0:obj2ubits(v[4], 6); | |
| if (!NIL_P(v[6]) && argc == 7) { | |
| vtm->sec = NIL_P(v[5])?0:obj2ubits(v[5],6); | |
| vtm->subsecx = usec2subsecx(v[6]); | |
| } | |
| else { | |
| /* when argc == 8, v[6] is timezone, but ignored */ | |
| vtm->sec = NIL_P(v[5])?0:obj2subsecx(v[5], &vtm->subsecx); | |
| } | |
| validate_vtm(vtm); | |
| } | |
| static int | |
| leap_year_p(long y) | |
| { | |
| return ((y % 4 == 0) && (y % 100 != 0)) || (y % 400 == 0); | |
| } | |
| static time_t | |
| timegm_noleapsecond(struct tm *tm) | |
| { | |
| long tm_year = tm->tm_year; | |
| int tm_yday = tm->tm_mday; | |
| if (leap_year_p(tm_year + 1900)) | |
| tm_yday += leap_year_yday_offset[tm->tm_mon]; | |
| else | |
| tm_yday += common_year_yday_offset[tm->tm_mon]; | |
| /* | |
| * `Seconds Since the Epoch' in SUSv3: | |
| * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + | |
| * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - | |
| * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 | |
| */ | |
| return tm->tm_sec + tm->tm_min*60 + tm->tm_hour*3600 + | |
| (time_t)(tm_yday + | |
| (tm_year-70)*365 + | |
| DIV(tm_year-69,4) - | |
| DIV(tm_year-1,100) + | |
| DIV(tm_year+299,400))*86400; | |
| } | |
| #if 0 | |
| #define DEBUG_FIND_TIME_NUMGUESS | |
| #define DEBUG_GUESSRANGE | |
| #endif | |
| #ifdef DEBUG_GUESSRANGE | |
| #define DEBUG_REPORT_GUESSRANGE fprintf(stderr, "find time guess range: %ld - %ld : %"PRI_TIMET_PREFIX"u\n", guess_lo, guess_hi, (unsigned_time_t)(guess_hi-guess_lo)) | |
| #else | |
| #define DEBUG_REPORT_GUESSRANGE | |
| #endif | |
| #ifdef DEBUG_FIND_TIME_NUMGUESS | |
| #define DEBUG_FIND_TIME_NUMGUESS_INC find_time_numguess++, | |
| static unsigned long long find_time_numguess; | |
| static VALUE find_time_numguess_getter(void) | |
| { | |
| return ULL2NUM(find_time_numguess); | |
| } | |
| #else | |
| #define DEBUG_FIND_TIME_NUMGUESS_INC | |
| #endif | |
| static const char * | |
| find_time_t(struct tm *tptr, int utc_p, time_t *tp) | |
| { | |
| time_t guess, guess0, guess_lo, guess_hi; | |
| struct tm *tm, tm0, tm_lo, tm_hi; | |
| int d; | |
| int find_dst; | |
| struct tm result; | |
| int status; | |
| int tptr_tm_yday; | |
| #define GUESS(p) (DEBUG_FIND_TIME_NUMGUESS_INC (utc_p ? gmtime_with_leapsecond((p), &result) : LOCALTIME((p), result))) | |
| guess_lo = TIMET_MIN; | |
| guess_hi = TIMET_MAX; | |
| find_dst = 0 < tptr->tm_isdst; | |
| #if defined(HAVE_MKTIME) | |
| tm0 = *tptr; | |
| if (!utc_p && (guess = mktime(&tm0)) != -1) { | |
| tm = GUESS(&guess); | |
| if (tm && tmcmp(tptr, tm) == 0) { | |
| goto found; | |
| } | |
| } | |
| #endif | |
| tm0 = *tptr; | |
| if (tm0.tm_mon < 0) { | |
| tm0.tm_mon = 0; | |
| tm0.tm_mday = 1; | |
| tm0.tm_hour = 0; | |
| tm0.tm_min = 0; | |
| tm0.tm_sec = 0; | |
| } | |
| else if (11 < tm0.tm_mon) { | |
| tm0.tm_mon = 11; | |
| tm0.tm_mday = 31; | |
| tm0.tm_hour = 23; | |
| tm0.tm_min = 59; | |
| tm0.tm_sec = 60; | |
| } | |
| else if (tm0.tm_mday < 1) { | |
| tm0.tm_mday = 1; | |
| tm0.tm_hour = 0; | |
| tm0.tm_min = 0; | |
| tm0.tm_sec = 0; | |
| } | |
| else if ((d = (leap_year_p(1900 + tm0.tm_year) ? | |
| leap_year_days_in_month : | |
| common_year_days_in_month)[tm0.tm_mon]) < tm0.tm_mday) { | |
| tm0.tm_mday = d; | |
| tm0.tm_hour = 23; | |
| tm0.tm_min = 59; | |
| tm0.tm_sec = 60; | |
| } | |
| else if (tm0.tm_hour < 0) { | |
| tm0.tm_hour = 0; | |
| tm0.tm_min = 0; | |
| tm0.tm_sec = 0; | |
| } | |
| else if (23 < tm0.tm_hour) { | |
| tm0.tm_hour = 23; | |
| tm0.tm_min = 59; | |
| tm0.tm_sec = 60; | |
| } | |
| else if (tm0.tm_min < 0) { | |
| tm0.tm_min = 0; | |
| tm0.tm_sec = 0; | |
| } | |
| else if (59 < tm0.tm_min) { | |
| tm0.tm_min = 59; | |
| tm0.tm_sec = 60; | |
| } | |
| else if (tm0.tm_sec < 0) { | |
| tm0.tm_sec = 0; | |
| } | |
| else if (60 < tm0.tm_sec) { | |
| tm0.tm_sec = 60; | |
| } | |
| DEBUG_REPORT_GUESSRANGE; | |
| guess0 = guess = timegm_noleapsecond(&tm0); | |
| tm = GUESS(&guess); | |
| if (tm) { | |
| d = tmcmp(tptr, tm); | |
| if (d == 0) { goto found; } | |
| if (d < 0) { | |
| guess_hi = guess; | |
| guess -= 24 * 60 * 60; | |
| } | |
| else { | |
| guess_lo = guess; | |
| guess += 24 * 60 * 60; | |
| } | |
| DEBUG_REPORT_GUESSRANGE; | |
| if (guess_lo < guess && guess < guess_hi && (tm = GUESS(&guess)) != NULL) { | |
| d = tmcmp(tptr, tm); | |
| if (d == 0) { goto found; } | |
| if (d < 0) | |
| guess_hi = guess; | |
| else | |
| guess_lo = guess; | |
| DEBUG_REPORT_GUESSRANGE; | |
| } | |
| } | |
| tm = GUESS(&guess_lo); | |
| if (!tm) goto error; | |
| d = tmcmp(tptr, tm); | |
| if (d < 0) goto out_of_range; | |
| if (d == 0) { guess = guess_lo; goto found; } | |
| tm_lo = *tm; | |
| tm = GUESS(&guess_hi); | |
| if (!tm) goto error; | |
| d = tmcmp(tptr, tm); | |
| if (d > 0) goto out_of_range; | |
| if (d == 0) { guess = guess_hi; goto found; } | |
| tm_hi = *tm; | |
| DEBUG_REPORT_GUESSRANGE; | |
| status = 1; | |
| while (guess_lo + 1 < guess_hi) { | |
| if (status == 0) { | |
| binsearch: | |
| guess = guess_lo / 2 + guess_hi / 2; | |
| if (guess <= guess_lo) | |
| guess = guess_lo + 1; | |
| else if (guess >= guess_hi) | |
| guess = guess_hi - 1; | |
| status = 1; | |
| } | |
| else { | |
| if (status == 1) { | |
| time_t guess0_hi = timegm_noleapsecond(&tm_hi); | |
| guess = guess_hi - (guess0_hi - guess0); | |
| if (guess == guess_hi) /* hh:mm:60 tends to cause this condition. */ | |
| guess--; | |
| status = 2; | |
| } | |
| else if (status == 2) { | |
| time_t guess0_lo = timegm_noleapsecond(&tm_lo); | |
| guess = guess_lo + (guess0 - guess0_lo); | |
| if (guess == guess_lo) | |
| guess++; | |
| status = 0; | |
| } | |
| if (guess <= guess_lo || guess_hi <= guess) { | |
| /* Precious guess is invalid. try binary search. */ | |
| #ifdef DEBUG_GUESSRANGE | |
| if (guess <= guess_lo) fprintf(stderr, "too small guess: %ld <= %ld\n", guess, guess_lo); | |
| if (guess_hi <= guess) fprintf(stderr, "too big guess: %ld <= %ld\n", guess_hi, guess); | |
| #endif | |
| goto binsearch; | |
| } | |
| } | |
| tm = GUESS(&guess); | |
| if (!tm) goto error; | |
| d = tmcmp(tptr, tm); | |
| if (d < 0) { | |
| guess_hi = guess; | |
| tm_hi = *tm; | |
| DEBUG_REPORT_GUESSRANGE; | |
| } | |
| else if (d > 0) { | |
| guess_lo = guess; | |
| tm_lo = *tm; | |
| DEBUG_REPORT_GUESSRANGE; | |
| } | |
| else { | |
| found: | |
| if (!utc_p) { | |
| /* If localtime is nonmonotonic, another result may exist. */ | |
| time_t guess2; | |
| if (find_dst) { | |
| guess2 = guess - 2 * 60 * 60; | |
| tm = LOCALTIME(&guess2, result); | |
| if (tm) { | |
| if (tptr->tm_hour != (tm->tm_hour + 2) % 24 || | |
| tptr->tm_min != tm->tm_min || | |
| tptr->tm_sec != tm->tm_sec) { | |
| guess2 -= (tm->tm_hour - tptr->tm_hour) * 60 * 60 + | |
| (tm->tm_min - tptr->tm_min) * 60 + | |
| (tm->tm_sec - tptr->tm_sec); | |
| if (tptr->tm_mday != tm->tm_mday) | |
| guess2 += 24 * 60 * 60; | |
| if (guess != guess2) { | |
| tm = LOCALTIME(&guess2, result); | |
| if (tm && tmcmp(tptr, tm) == 0) { | |
| if (guess < guess2) | |
| *tp = guess; | |
| else | |
| *tp = guess2; | |
| return NULL; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| else { | |
| guess2 = guess + 2 * 60 * 60; | |
| tm = LOCALTIME(&guess2, result); | |
| if (tm) { | |
| if ((tptr->tm_hour + 2) % 24 != tm->tm_hour || | |
| tptr->tm_min != tm->tm_min || | |
| tptr->tm_sec != tm->tm_sec) { | |
| guess2 -= (tm->tm_hour - tptr->tm_hour) * 60 * 60 + | |
| (tm->tm_min - tptr->tm_min) * 60 + | |
| (tm->tm_sec - tptr->tm_sec); | |
| if (tptr->tm_mday != tm->tm_mday) | |
| guess2 -= 24 * 60 * 60; | |
| if (guess != guess2) { | |
| tm = LOCALTIME(&guess2, result); | |
| if (tm && tmcmp(tptr, tm) == 0) { | |
| if (guess < guess2) | |
| *tp = guess2; | |
| else | |
| *tp = guess; | |
| return NULL; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| *tp = guess; | |
| return NULL; | |
| } | |
| } | |
| /* Given argument has no corresponding time_t. Let's extrapolate. */ | |
| /* | |
| * `Seconds Since the Epoch' in SUSv3: | |
| * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + | |
| * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - | |
| * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 | |
| */ | |
| tptr_tm_yday = calc_tm_yday(tptr->tm_year, tptr->tm_mon, tptr->tm_mday); | |
| *tp = guess_lo + | |
| ((tptr->tm_year - tm_lo.tm_year) * 365 + | |
| ((tptr->tm_year-69)/4) - | |
| ((tptr->tm_year-1)/100) + | |
| ((tptr->tm_year+299)/400) - | |
| ((tm_lo.tm_year-69)/4) + | |
| ((tm_lo.tm_year-1)/100) - | |
| ((tm_lo.tm_year+299)/400) + | |
| tptr_tm_yday - | |
| tm_lo.tm_yday) * 86400 + | |
| (tptr->tm_hour - tm_lo.tm_hour) * 3600 + | |
| (tptr->tm_min - tm_lo.tm_min) * 60 + | |
| (tptr->tm_sec - (tm_lo.tm_sec == 60 ? 59 : tm_lo.tm_sec)); | |
| return NULL; | |
| out_of_range: | |
| return "time out of range"; | |
| error: | |
| return "gmtime/localtime error"; | |
| } | |
| static int | |
| vtmcmp(struct vtm *a, struct vtm *b) | |
| { | |
| if (ne(a->year, b->year)) | |
| return lt(a->year, b->year) ? -1 : 1; | |
| else if (a->mon != b->mon) | |
| return a->mon < b->mon ? -1 : 1; | |
| else if (a->mday != b->mday) | |
| return a->mday < b->mday ? -1 : 1; | |
| else if (a->hour != b->hour) | |
| return a->hour < b->hour ? -1 : 1; | |
| else if (a->min != b->min) | |
| return a->min < b->min ? -1 : 1; | |
| else if (a->sec != b->sec) | |
| return a->sec < b->sec ? -1 : 1; | |
| else if (ne(a->subsecx, b->subsecx)) | |
| return lt(a->subsecx, b->subsecx) ? -1 : 1; | |
| else | |
| return 0; | |
| } | |
| static int | |
| tmcmp(struct tm *a, struct tm *b) | |
| { | |
| if (a->tm_year != b->tm_year) | |
| return a->tm_year < b->tm_year ? -1 : 1; | |
| else if (a->tm_mon != b->tm_mon) | |
| return a->tm_mon < b->tm_mon ? -1 : 1; | |
| else if (a->tm_mday != b->tm_mday) | |
| return a->tm_mday < b->tm_mday ? -1 : 1; | |
| else if (a->tm_hour != b->tm_hour) | |
| return a->tm_hour < b->tm_hour ? -1 : 1; | |
| else if (a->tm_min != b->tm_min) | |
| return a->tm_min < b->tm_min ? -1 : 1; | |
| else if (a->tm_sec != b->tm_sec) | |
| return a->tm_sec < b->tm_sec ? -1 : 1; | |
| else | |
| return 0; | |
| } | |
| static VALUE | |
| time_utc_or_local(int argc, VALUE *argv, int utc_p, VALUE klass) | |
| { | |
| struct vtm vtm; | |
| VALUE time; | |
| time_arg(argc, argv, &vtm); | |
| if (utc_p) | |
| time = time_new_timew(klass, timegmw(&vtm)); | |
| else | |
| time = time_new_timew(klass, timelocalw(&vtm)); | |
| if (utc_p) return time_gmtime(time); | |
| return time_localtime(time); | |
| } | |
| /* | |
| * call-seq: | |
| * Time.utc(year) -> time | |
| * Time.utc(year, month) -> time | |
| * Time.utc(year, month, day) -> time | |
| * Time.utc(year, month, day, hour) -> time | |
| * Time.utc(year, month, day, hour, min) -> time | |
| * Time.utc(year, month, day, hour, min, sec_with_frac) -> time | |
| * Time.utc(year, month, day, hour, min, sec, usec_with_frac) -> time | |
| * Time.utc(sec, min, hour, day, month, year, dummy, dummy, dummy, dummy) -> time | |
| * Time.gm(year) -> time | |
| * Time.gm(year, month) -> time | |
| * Time.gm(year, month, day) -> time | |
| * Time.gm(year, month, day, hour) -> time | |
| * Time.gm(year, month, day, hour, min) -> time | |
| * Time.gm(year, month, day, hour, min, sec_with_frac) -> time | |
| * Time.gm(year, month, day, hour, min, sec, usec_with_frac) -> time | |
| * Time.gm(sec, min, hour, day, month, year, dummy, dummy, dummy, dummy) -> time | |
| * | |
| * Creates a Time object based on given values, interpreted as UTC (GMT). The | |
| * year must be specified. Other values default to the minimum value | |
| * for that field (and may be +nil+ or omitted). Months may | |
| * be specified by numbers from 1 to 12, or by the three-letter English | |
| * month names. Hours are specified on a 24-hour clock (0..23). Raises | |
| * an ArgumentError if any values are out of range. Will | |
| * also accept ten arguments in the order output by Time#to_a. | |
| * | |
| * +sec_with_frac+ and +usec_with_frac+ can have a fractional part. | |
| * | |
| * Time.utc(2000,"jan",1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| * Time.gm(2000,"jan",1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| */ | |
| static VALUE | |
| time_s_mkutc(int argc, VALUE *argv, VALUE klass) | |
| { | |
| return time_utc_or_local(argc, argv, TRUE, klass); | |
| } | |
| /* | |
| * call-seq: | |
| * Time.local(year) -> time | |
| * Time.local(year, month) -> time | |
| * Time.local(year, month, day) -> time | |
| * Time.local(year, month, day, hour) -> time | |
| * Time.local(year, month, day, hour, min) -> time | |
| * Time.local(year, month, day, hour, min, sec_with_frac) -> time | |
| * Time.local(year, month, day, hour, min, sec, usec_with_frac) -> time | |
| * Time.local(sec, min, hour, day, month, year, dummy, dummy, isdst, dummy) -> time | |
| * Time.mktime(year) -> time | |
| * Time.mktime(year, month) -> time | |
| * Time.mktime(year, month, day) -> time | |
| * Time.mktime(year, month, day, hour) -> time | |
| * Time.mktime(year, month, day, hour, min) -> time | |
| * Time.mktime(year, month, day, hour, min, sec_with_frac) -> time | |
| * Time.mktime(year, month, day, hour, min, sec, usec_with_frac) -> time | |
| * Time.mktime(sec, min, hour, day, month, year, dummy, dummy, isdst, dummy) -> time | |
| * | |
| * Same as Time::gm, but interprets the values in the | |
| * local time zone. | |
| * | |
| * Time.local(2000,"jan",1,20,15,1) #=> 2000-01-01 20:15:01 -0600 | |
| */ | |
| static VALUE | |
| time_s_mktime(int argc, VALUE *argv, VALUE klass) | |
| { | |
| return time_utc_or_local(argc, argv, FALSE, klass); | |
| } | |
| /* | |
| * call-seq: | |
| * time.to_i -> int | |
| * time.tv_sec -> int | |
| * | |
| * Returns the value of _time_ as an integer number of seconds | |
| * since the Epoch. | |
| * | |
| * t = Time.now | |
| * "%10.5f" % t.to_f #=> "1270968656.89607" | |
| * t.to_i #=> 1270968656 | |
| */ | |
| static VALUE | |
| time_to_i(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| return w2v(wdiv(tobj->timew, WINT2FIXWV(TIME_SCALE))); | |
| } | |
| /* | |
| * call-seq: | |
| * time.to_f -> float | |
| * | |
| * Returns the value of _time_ as a floating point number of | |
| * seconds since the Epoch. | |
| * | |
| * t = Time.now | |
| * "%10.5f" % t.to_f #=> "1270968744.77658" | |
| * t.to_i #=> 1270968744 | |
| * | |
| * Note that IEEE 754 double is not accurate enough to represent | |
| * the number of nanoseconds since the Epoch. | |
| */ | |
| static VALUE | |
| time_to_f(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| return rb_Float(rb_time_unmagnify_to_float(tobj->timew)); | |
| } | |
| /* | |
| * call-seq: | |
| * time.to_r -> a_rational | |
| * | |
| * Returns the value of _time_ as a rational number of seconds | |
| * since the Epoch. | |
| * | |
| * t = Time.now | |
| * p t.to_r #=> (1270968792716287611/1000000000) | |
| * | |
| * This methods is intended to be used to get an accurate value | |
| * representing the nanoseconds since the Epoch. You can use this method | |
| * to convert _time_ to another Epoch. | |
| */ | |
| static VALUE | |
| time_to_r(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| VALUE v; | |
| GetTimeval(time, tobj); | |
| v = w2v(rb_time_unmagnify(tobj->timew)); | |
| if (!RB_TYPE_P(v, T_RATIONAL)) { | |
| v = rb_Rational1(v); | |
| } | |
| return v; | |
| } | |
| /* | |
| * call-seq: | |
| * time.usec -> int | |
| * time.tv_usec -> int | |
| * | |
| * Returns the number of microseconds for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:03:26 -0600 | |
| * "%10.6f" % t.to_f #=> "1195481006.775195" | |
| * t.usec #=> 775195 | |
| */ | |
| static VALUE | |
| time_usec(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| wideval_t w, q, r; | |
| GetTimeval(time, tobj); | |
| w = wmod(tobj->timew, WINT2WV(TIME_SCALE)); | |
| wmuldivmod(w, WINT2FIXWV(1000000), WINT2FIXWV(TIME_SCALE), &q, &r); | |
| return rb_to_int(w2v(q)); | |
| } | |
| /* | |
| * call-seq: | |
| * time.nsec -> int | |
| * time.tv_nsec -> int | |
| * | |
| * Returns the number of nanoseconds for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-17 15:18:03 +0900 | |
| * "%10.9f" % t.to_f #=> "1195280283.536151409" | |
| * t.nsec #=> 536151406 | |
| * | |
| * The lowest digits of #to_f and #nsec are different because | |
| * IEEE 754 double is not accurate enough to represent | |
| * the exact number of nanoseconds since the Epoch. | |
| * | |
| * The more accurate value is returned by #nsec. | |
| */ | |
| static VALUE | |
| time_nsec(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| return rb_to_int(w2v(wmulquoll(wmod(tobj->timew, WINT2WV(TIME_SCALE)), 1000000000, TIME_SCALE))); | |
| } | |
| /* | |
| * call-seq: | |
| * time.subsec -> number | |
| * | |
| * Returns the fraction for _time_. | |
| * | |
| * The return value can be a rational number. | |
| * | |
| * t = Time.now #=> 2009-03-26 22:33:12 +0900 | |
| * "%10.9f" % t.to_f #=> "1238074392.940563917" | |
| * t.subsec #=> (94056401/100000000) | |
| * | |
| * The lowest digits of #to_f and #subsec are different because | |
| * IEEE 754 double is not accurate enough to represent | |
| * the rational number. | |
| * | |
| * The more accurate value is returned by #subsec. | |
| */ | |
| static VALUE | |
| time_subsec(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| return quo(w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))), INT2FIX(TIME_SCALE)); | |
| } | |
| /* | |
| * call-seq: | |
| * time <=> other_time -> -1, 0, +1 or nil | |
| * | |
| * Comparison---Compares +time+ with +other_time+. | |
| * | |
| * -1, 0, +1 or nil depending on whether +time+ is less than, equal to, or | |
| * greater than +other_time+. | |
| * | |
| * +nil+ is returned if the two values are incomparable. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:12:12 -0600 | |
| * t2 = t + 2592000 #=> 2007-12-19 08:12:12 -0600 | |
| * t <=> t2 #=> -1 | |
| * t2 <=> t #=> 1 | |
| * | |
| * t = Time.now #=> 2007-11-19 08:13:38 -0600 | |
| * t2 = t + 0.1 #=> 2007-11-19 08:13:38 -0600 | |
| * t.nsec #=> 98222999 | |
| * t2.nsec #=> 198222999 | |
| * t <=> t2 #=> -1 | |
| * t2 <=> t #=> 1 | |
| * t <=> t #=> 0 | |
| */ | |
| static VALUE | |
| time_cmp(VALUE time1, VALUE time2) | |
| { | |
| struct time_object *tobj1, *tobj2; | |
| int n; | |
| GetTimeval(time1, tobj1); | |
| if (IsTimeval(time2)) { | |
| GetTimeval(time2, tobj2); | |
| n = wcmp(tobj1->timew, tobj2->timew); | |
| } | |
| else { | |
| return rb_invcmp(time1, time2); | |
| } | |
| if (n == 0) return INT2FIX(0); | |
| if (n > 0) return INT2FIX(1); | |
| return INT2FIX(-1); | |
| } | |
| /* | |
| * call-seq: | |
| * time.eql?(other_time) | |
| * | |
| * Returns +true+ if _time_ and +other_time+ are | |
| * both Time objects with the same seconds and fractional seconds. | |
| */ | |
| static VALUE | |
| time_eql(VALUE time1, VALUE time2) | |
| { | |
| struct time_object *tobj1, *tobj2; | |
| GetTimeval(time1, tobj1); | |
| if (IsTimeval(time2)) { | |
| GetTimeval(time2, tobj2); | |
| return rb_equal(w2v(tobj1->timew), w2v(tobj2->timew)); | |
| } | |
| return Qfalse; | |
| } | |
| /* | |
| * call-seq: | |
| * time.utc? -> true or false | |
| * time.gmt? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents a time in UTC (GMT). | |
| * | |
| * t = Time.now #=> 2007-11-19 08:15:23 -0600 | |
| * t.utc? #=> false | |
| * t = Time.gm(2000,"jan",1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| * t.utc? #=> true | |
| * | |
| * t = Time.now #=> 2007-11-19 08:16:03 -0600 | |
| * t.gmt? #=> false | |
| * t = Time.gm(2000,1,1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| * t.gmt? #=> true | |
| */ | |
| static VALUE | |
| time_utc_p(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| if (TIME_UTC_P(tobj)) return Qtrue; | |
| return Qfalse; | |
| } | |
| /* | |
| * call-seq: | |
| * time.hash -> fixnum | |
| * | |
| * Returns a hash code for this Time object. | |
| * | |
| * See also Object#hash. | |
| */ | |
| static VALUE | |
| time_hash(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| return rb_hash(w2v(tobj->timew)); | |
| } | |
| /* :nodoc: */ | |
| static VALUE | |
| time_init_copy(VALUE copy, VALUE time) | |
| { | |
| struct time_object *tobj, *tcopy; | |
| if (!OBJ_INIT_COPY(copy, time)) return copy; | |
| GetTimeval(time, tobj); | |
| GetNewTimeval(copy, tcopy); | |
| MEMCPY(tcopy, tobj, struct time_object, 1); | |
| return copy; | |
| } | |
| static VALUE | |
| time_dup(VALUE time) | |
| { | |
| VALUE dup = time_s_alloc(rb_obj_class(time)); | |
| time_init_copy(dup, time); | |
| return dup; | |
| } | |
| static VALUE | |
| time_localtime(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct vtm vtm; | |
| GetTimeval(time, tobj); | |
| if (TIME_LOCALTIME_P(tobj)) { | |
| if (tobj->tm_got) | |
| return time; | |
| } | |
| else { | |
| time_modify(time); | |
| } | |
| if (!localtimew(tobj->timew, &vtm)) | |
| rb_raise(rb_eArgError, "localtime error"); | |
| tobj->vtm = vtm; | |
| tobj->tm_got = 1; | |
| TIME_SET_LOCALTIME(tobj); | |
| return time; | |
| } | |
| /* | |
| * call-seq: | |
| * time.localtime -> time | |
| * time.localtime(utc_offset) -> time | |
| * | |
| * Converts _time_ to local time (using the local time zone in | |
| * effect for this process) modifying the receiver. | |
| * | |
| * If +utc_offset+ is given, it is used instead of the local time. | |
| * | |
| * t = Time.utc(2000, "jan", 1, 20, 15, 1) #=> 2000-01-01 20:15:01 UTC | |
| * t.utc? #=> true | |
| * | |
| * t.localtime #=> 2000-01-01 14:15:01 -0600 | |
| * t.utc? #=> false | |
| * | |
| * t.localtime("+09:00") #=> 2000-01-02 05:15:01 +0900 | |
| * t.utc? #=> false | |
| */ | |
| static VALUE | |
| time_localtime_m(int argc, VALUE *argv, VALUE time) | |
| { | |
| VALUE off; | |
| rb_scan_args(argc, argv, "01", &off); | |
| if (!NIL_P(off)) { | |
| off = utc_offset_arg(off); | |
| validate_utc_offset(off); | |
| time_set_utc_offset(time, off); | |
| return time_fixoff(time); | |
| } | |
| return time_localtime(time); | |
| } | |
| /* | |
| * call-seq: | |
| * time.gmtime -> time | |
| * time.utc -> time | |
| * | |
| * Converts _time_ to UTC (GMT), modifying the receiver. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:18:31 -0600 | |
| * t.gmt? #=> false | |
| * t.gmtime #=> 2007-11-19 14:18:31 UTC | |
| * t.gmt? #=> true | |
| * | |
| * t = Time.now #=> 2007-11-19 08:18:51 -0600 | |
| * t.utc? #=> false | |
| * t.utc #=> 2007-11-19 14:18:51 UTC | |
| * t.utc? #=> true | |
| */ | |
| static VALUE | |
| time_gmtime(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct vtm vtm; | |
| GetTimeval(time, tobj); | |
| if (TIME_UTC_P(tobj)) { | |
| if (tobj->tm_got) | |
| return time; | |
| } | |
| else { | |
| time_modify(time); | |
| } | |
| if (!gmtimew(tobj->timew, &vtm)) | |
| rb_raise(rb_eArgError, "gmtime error"); | |
| tobj->vtm = vtm; | |
| tobj->tm_got = 1; | |
| TIME_SET_UTC(tobj); | |
| return time; | |
| } | |
| static VALUE | |
| time_fixoff(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct vtm vtm; | |
| VALUE off; | |
| GetTimeval(time, tobj); | |
| if (TIME_FIXOFF_P(tobj)) { | |
| if (tobj->tm_got) | |
| return time; | |
| } | |
| else { | |
| time_modify(time); | |
| } | |
| if (TIME_FIXOFF_P(tobj)) | |
| off = tobj->vtm.utc_offset; | |
| else | |
| off = INT2FIX(0); | |
| if (!gmtimew(tobj->timew, &vtm)) | |
| rb_raise(rb_eArgError, "gmtime error"); | |
| tobj->vtm = vtm; | |
| vtm_add_offset(&tobj->vtm, off); | |
| tobj->tm_got = 1; | |
| TIME_SET_FIXOFF(tobj, off); | |
| return time; | |
| } | |
| /* | |
| * call-seq: | |
| * time.getlocal -> new_time | |
| * time.getlocal(utc_offset) -> new_time | |
| * | |
| * Returns a new Time object representing _time_ in | |
| * local time (using the local time zone in effect for this process). | |
| * | |
| * If +utc_offset+ is given, it is used instead of the local time. | |
| * | |
| * t = Time.utc(2000,1,1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| * t.utc? #=> true | |
| * | |
| * l = t.getlocal #=> 2000-01-01 14:15:01 -0600 | |
| * l.utc? #=> false | |
| * t == l #=> true | |
| * | |
| * j = t.getlocal("+09:00") #=> 2000-01-02 05:15:01 +0900 | |
| * j.utc? #=> false | |
| * t == j #=> true | |
| */ | |
| static VALUE | |
| time_getlocaltime(int argc, VALUE *argv, VALUE time) | |
| { | |
| VALUE off; | |
| rb_scan_args(argc, argv, "01", &off); | |
| if (!NIL_P(off)) { | |
| off = utc_offset_arg(off); | |
| validate_utc_offset(off); | |
| time = time_dup(time); | |
| time_set_utc_offset(time, off); | |
| return time_fixoff(time); | |
| } | |
| return time_localtime(time_dup(time)); | |
| } | |
| /* | |
| * call-seq: | |
| * time.getgm -> new_time | |
| * time.getutc -> new_time | |
| * | |
| * Returns a new Time object representing _time_ in UTC. | |
| * | |
| * t = Time.local(2000,1,1,20,15,1) #=> 2000-01-01 20:15:01 -0600 | |
| * t.gmt? #=> false | |
| * y = t.getgm #=> 2000-01-02 02:15:01 UTC | |
| * y.gmt? #=> true | |
| * t == y #=> true | |
| */ | |
| static VALUE | |
| time_getgmtime(VALUE time) | |
| { | |
| return time_gmtime(time_dup(time)); | |
| } | |
| static VALUE | |
| time_get_tm(VALUE time, struct time_object *tobj) | |
| { | |
| if (TIME_UTC_P(tobj)) return time_gmtime(time); | |
| if (TIME_FIXOFF_P(tobj)) return time_fixoff(time); | |
| return time_localtime(time); | |
| } | |
| static VALUE strftimev(const char *fmt, VALUE time, rb_encoding *enc); | |
| /* | |
| * call-seq: | |
| * time.asctime -> string | |
| * time.ctime -> string | |
| * | |
| * Returns a canonical string representation of _time_. | |
| * | |
| * Time.now.asctime #=> "Wed Apr 9 08:56:03 2003" | |
| */ | |
| static VALUE | |
| time_asctime(VALUE time) | |
| { | |
| return strftimev("%a %b %e %T %Y", time, rb_usascii_encoding()); | |
| } | |
| /* | |
| * call-seq: | |
| * time.inspect -> string | |
| * time.to_s -> string | |
| * | |
| * Returns a string representing _time_. Equivalent to calling | |
| * #strftime with the appropriate format string. | |
| * | |
| * t = Time.now | |
| * t.to_s => "2012-11-10 18:16:12 +0100" | |
| * t.strftime "%Y-%m-%d %H:%M:%S %z" => "2012-11-10 18:16:12 +0100" | |
| * | |
| * t.utc.to_s => "2012-11-10 17:16:12 UTC" | |
| * t.strftime "%Y-%m-%d %H:%M:%S UTC" => "2012-11-10 17:16:12 UTC" | |
| */ | |
| static VALUE | |
| time_to_s(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| if (TIME_UTC_P(tobj)) | |
| return strftimev("%Y-%m-%d %H:%M:%S UTC", time, rb_usascii_encoding()); | |
| else | |
| return strftimev("%Y-%m-%d %H:%M:%S %z", time, rb_usascii_encoding()); | |
| } | |
| static VALUE | |
| time_add(struct time_object *tobj, VALUE offset, int sign) | |
| { | |
| VALUE result; | |
| offset = num_exact(offset); | |
| if (sign < 0) | |
| result = time_new_timew(rb_cTime, wsub(tobj->timew, rb_time_magnify(v2w(offset)))); | |
| else | |
| result = time_new_timew(rb_cTime, wadd(tobj->timew, rb_time_magnify(v2w(offset)))); | |
| if (TIME_UTC_P(tobj)) { | |
| GetTimeval(result, tobj); | |
| TIME_SET_UTC(tobj); | |
| } | |
| else if (TIME_FIXOFF_P(tobj)) { | |
| VALUE off = tobj->vtm.utc_offset; | |
| GetTimeval(result, tobj); | |
| TIME_SET_FIXOFF(tobj, off); | |
| } | |
| return result; | |
| } | |
| /* | |
| * call-seq: | |
| * time + numeric -> time | |
| * | |
| * Addition --- Adds some number of seconds (possibly fractional) to | |
| * _time_ and returns that value as a new Time object. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:22:21 -0600 | |
| * t + (60 * 60 * 24) #=> 2007-11-20 08:22:21 -0600 | |
| */ | |
| static VALUE | |
| time_plus(VALUE time1, VALUE time2) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time1, tobj); | |
| if (IsTimeval(time2)) { | |
| rb_raise(rb_eTypeError, "time + time?"); | |
| } | |
| return time_add(tobj, time2, 1); | |
| } | |
| /* | |
| * call-seq: | |
| * time - other_time -> float | |
| * time - numeric -> time | |
| * | |
| * Difference --- Returns a new Time object that represents the difference | |
| * between _time_ and +other_time+, or subtracts the given number | |
| * of seconds in +numeric+ from _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:23:10 -0600 | |
| * t2 = t + 2592000 #=> 2007-12-19 08:23:10 -0600 | |
| * t2 - t #=> 2592000.0 | |
| * t2 - 2592000 #=> 2007-11-19 08:23:10 -0600 | |
| */ | |
| static VALUE | |
| time_minus(VALUE time1, VALUE time2) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time1, tobj); | |
| if (IsTimeval(time2)) { | |
| struct time_object *tobj2; | |
| GetTimeval(time2, tobj2); | |
| return rb_Float(rb_time_unmagnify_to_float(wsub(tobj->timew, tobj2->timew))); | |
| } | |
| return time_add(tobj, time2, -1); | |
| } | |
| /* | |
| * call-seq: | |
| * time.succ -> new_time | |
| * | |
| * Returns a new Time object, one second later than _time_. | |
| * Time#succ is obsolete since 1.9.2 for time is not a discrete value. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:23:57 -0600 | |
| * t.succ #=> 2007-11-19 08:23:58 -0600 | |
| * | |
| * Use instead <code>time + 1</code> | |
| * | |
| * t + 1 #=> 2007-11-19 08:23:58 -0600 | |
| */ | |
| VALUE | |
| rb_time_succ(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| struct time_object *tobj2; | |
| rb_warn("Time#succ is obsolete; use time + 1"); | |
| GetTimeval(time, tobj); | |
| time = time_new_timew(rb_cTime, wadd(tobj->timew, WINT2FIXWV(TIME_SCALE))); | |
| GetTimeval(time, tobj2); | |
| TIME_COPY_GMT(tobj2, tobj); | |
| return time; | |
| } | |
| #define time_succ rb_time_succ | |
| /* | |
| * call-seq: | |
| * time.round([ndigits]) -> new_time | |
| * | |
| * Rounds sub seconds to a given precision in decimal digits (0 digits by default). | |
| * It returns a new Time object. | |
| * +ndigits+ should be zero or positive integer. | |
| * | |
| * require 'time' | |
| * | |
| * t = Time.utc(2010,3,30, 5,43,"25.123456789".to_r) | |
| * p t.iso8601(10) #=> "2010-03-30T05:43:25.1234567890Z" | |
| * p t.round.iso8601(10) #=> "2010-03-30T05:43:25.0000000000Z" | |
| * p t.round(0).iso8601(10) #=> "2010-03-30T05:43:25.0000000000Z" | |
| * p t.round(1).iso8601(10) #=> "2010-03-30T05:43:25.1000000000Z" | |
| * p t.round(2).iso8601(10) #=> "2010-03-30T05:43:25.1200000000Z" | |
| * p t.round(3).iso8601(10) #=> "2010-03-30T05:43:25.1230000000Z" | |
| * p t.round(4).iso8601(10) #=> "2010-03-30T05:43:25.1235000000Z" | |
| * p t.round(5).iso8601(10) #=> "2010-03-30T05:43:25.1234600000Z" | |
| * p t.round(6).iso8601(10) #=> "2010-03-30T05:43:25.1234570000Z" | |
| * p t.round(7).iso8601(10) #=> "2010-03-30T05:43:25.1234568000Z" | |
| * p t.round(8).iso8601(10) #=> "2010-03-30T05:43:25.1234567900Z" | |
| * p t.round(9).iso8601(10) #=> "2010-03-30T05:43:25.1234567890Z" | |
| * p t.round(10).iso8601(10) #=> "2010-03-30T05:43:25.1234567890Z" | |
| * | |
| * t = Time.utc(1999,12,31, 23,59,59) | |
| * p((t + 0.4).round.iso8601(3)) #=> "1999-12-31T23:59:59.000Z" | |
| * p((t + 0.49).round.iso8601(3)) #=> "1999-12-31T23:59:59.000Z" | |
| * p((t + 0.5).round.iso8601(3)) #=> "2000-01-01T00:00:00.000Z" | |
| * p((t + 1.4).round.iso8601(3)) #=> "2000-01-01T00:00:00.000Z" | |
| * p((t + 1.49).round.iso8601(3)) #=> "2000-01-01T00:00:00.000Z" | |
| * p((t + 1.5).round.iso8601(3)) #=> "2000-01-01T00:00:01.000Z" | |
| * | |
| * t = Time.utc(1999,12,31, 23,59,59) | |
| * p (t + 0.123456789).round(4).iso8601(6) #=> "1999-12-31T23:59:59.123500Z" | |
| */ | |
| static VALUE | |
| time_round(int argc, VALUE *argv, VALUE time) | |
| { | |
| VALUE ndigits, v, a, b, den; | |
| long nd; | |
| struct time_object *tobj; | |
| rb_scan_args(argc, argv, "01", &ndigits); | |
| if (NIL_P(ndigits)) | |
| ndigits = INT2FIX(0); | |
| else | |
| ndigits = rb_to_int(ndigits); | |
| nd = NUM2LONG(ndigits); | |
| if (nd < 0) | |
| rb_raise(rb_eArgError, "negative ndigits given"); | |
| GetTimeval(time, tobj); | |
| v = w2v(rb_time_unmagnify(tobj->timew)); | |
| a = INT2FIX(1); | |
| b = INT2FIX(10); | |
| while (0 < nd) { | |
| if (nd & 1) | |
| a = mul(a, b); | |
| b = mul(b, b); | |
| nd = nd >> 1; | |
| } | |
| den = quo(INT2FIX(1), a); | |
| v = mod(v, den); | |
| if (lt(v, quo(den, INT2FIX(2)))) | |
| return time_add(tobj, v, -1); | |
| else | |
| return time_add(tobj, sub(den, v), 1); | |
| } | |
| /* | |
| * call-seq: | |
| * time.sec -> fixnum | |
| * | |
| * Returns the second of the minute (0..60) for _time_. | |
| * | |
| * *Note:* Seconds range from zero to 60 to allow the system to inject | |
| * leap seconds. See http://en.wikipedia.org/wiki/Leap_second for further | |
| * details. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:25:02 -0600 | |
| * t.sec #=> 2 | |
| */ | |
| static VALUE | |
| time_sec(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.sec); | |
| } | |
| /* | |
| * call-seq: | |
| * time.min -> fixnum | |
| * | |
| * Returns the minute of the hour (0..59) for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:25:51 -0600 | |
| * t.min #=> 25 | |
| */ | |
| static VALUE | |
| time_min(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.min); | |
| } | |
| /* | |
| * call-seq: | |
| * time.hour -> fixnum | |
| * | |
| * Returns the hour of the day (0..23) for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:26:20 -0600 | |
| * t.hour #=> 8 | |
| */ | |
| static VALUE | |
| time_hour(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.hour); | |
| } | |
| /* | |
| * call-seq: | |
| * time.day -> fixnum | |
| * time.mday -> fixnum | |
| * | |
| * Returns the day of the month (1..n) for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:27:03 -0600 | |
| * t.day #=> 19 | |
| * t.mday #=> 19 | |
| */ | |
| static VALUE | |
| time_mday(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.mday); | |
| } | |
| /* | |
| * call-seq: | |
| * time.mon -> fixnum | |
| * time.month -> fixnum | |
| * | |
| * Returns the month of the year (1..12) for _time_. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:27:30 -0600 | |
| * t.mon #=> 11 | |
| * t.month #=> 11 | |
| */ | |
| static VALUE | |
| time_mon(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.mon); | |
| } | |
| /* | |
| * call-seq: | |
| * time.year -> fixnum | |
| * | |
| * Returns the year for _time_ (including the century). | |
| * | |
| * t = Time.now #=> 2007-11-19 08:27:51 -0600 | |
| * t.year #=> 2007 | |
| */ | |
| static VALUE | |
| time_year(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return tobj->vtm.year; | |
| } | |
| /* | |
| * call-seq: | |
| * time.wday -> fixnum | |
| * | |
| * Returns an integer representing the day of the week, 0..6, with | |
| * Sunday == 0. | |
| * | |
| * t = Time.now #=> 2007-11-20 02:35:35 -0600 | |
| * t.wday #=> 2 | |
| * t.sunday? #=> false | |
| * t.monday? #=> false | |
| * t.tuesday? #=> true | |
| * t.wednesday? #=> false | |
| * t.thursday? #=> false | |
| * t.friday? #=> false | |
| * t.saturday? #=> false | |
| */ | |
| static VALUE | |
| time_wday(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX((int)tobj->vtm.wday); | |
| } | |
| #define wday_p(n) {\ | |
| struct time_object *tobj;\ | |
| GetTimeval(time, tobj);\ | |
| MAKE_TM(time, tobj);\ | |
| return (tobj->vtm.wday == (n)) ? Qtrue : Qfalse;\ | |
| } | |
| /* | |
| * call-seq: | |
| * time.sunday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Sunday. | |
| * | |
| * t = Time.local(1990, 4, 1) #=> 1990-04-01 00:00:00 -0600 | |
| * t.sunday? #=> true | |
| */ | |
| static VALUE | |
| time_sunday(VALUE time) | |
| { | |
| wday_p(0); | |
| } | |
| /* | |
| * call-seq: | |
| * time.monday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Monday. | |
| * | |
| * t = Time.local(2003, 8, 4) #=> 2003-08-04 00:00:00 -0500 | |
| * p t.monday? #=> true | |
| */ | |
| static VALUE | |
| time_monday(VALUE time) | |
| { | |
| wday_p(1); | |
| } | |
| /* | |
| * call-seq: | |
| * time.tuesday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Tuesday. | |
| * | |
| * t = Time.local(1991, 2, 19) #=> 1991-02-19 00:00:00 -0600 | |
| * p t.tuesday? #=> true | |
| */ | |
| static VALUE | |
| time_tuesday(VALUE time) | |
| { | |
| wday_p(2); | |
| } | |
| /* | |
| * call-seq: | |
| * time.wednesday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Wednesday. | |
| * | |
| * t = Time.local(1993, 2, 24) #=> 1993-02-24 00:00:00 -0600 | |
| * p t.wednesday? #=> true | |
| */ | |
| static VALUE | |
| time_wednesday(VALUE time) | |
| { | |
| wday_p(3); | |
| } | |
| /* | |
| * call-seq: | |
| * time.thursday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Thursday. | |
| * | |
| * t = Time.local(1995, 12, 21) #=> 1995-12-21 00:00:00 -0600 | |
| * p t.thursday? #=> true | |
| */ | |
| static VALUE | |
| time_thursday(VALUE time) | |
| { | |
| wday_p(4); | |
| } | |
| /* | |
| * call-seq: | |
| * time.friday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Friday. | |
| * | |
| * t = Time.local(1987, 12, 18) #=> 1987-12-18 00:00:00 -0600 | |
| * t.friday? #=> true | |
| */ | |
| static VALUE | |
| time_friday(VALUE time) | |
| { | |
| wday_p(5); | |
| } | |
| /* | |
| * call-seq: | |
| * time.saturday? -> true or false | |
| * | |
| * Returns +true+ if _time_ represents Saturday. | |
| * | |
| * t = Time.local(2006, 6, 10) #=> 2006-06-10 00:00:00 -0500 | |
| * t.saturday? #=> true | |
| */ | |
| static VALUE | |
| time_saturday(VALUE time) | |
| { | |
| wday_p(6); | |
| } | |
| /* | |
| * call-seq: | |
| * time.yday -> fixnum | |
| * | |
| * Returns an integer representing the day of the year, 1..366. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:32:31 -0600 | |
| * t.yday #=> 323 | |
| */ | |
| static VALUE | |
| time_yday(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return INT2FIX(tobj->vtm.yday); | |
| } | |
| /* | |
| * call-seq: | |
| * time.isdst -> true or false | |
| * time.dst? -> true or false | |
| * | |
| * Returns +true+ if _time_ occurs during Daylight | |
| * Saving Time in its time zone. | |
| * | |
| * # CST6CDT: | |
| * Time.local(2000, 1, 1).zone #=> "CST" | |
| * Time.local(2000, 1, 1).isdst #=> false | |
| * Time.local(2000, 1, 1).dst? #=> false | |
| * Time.local(2000, 7, 1).zone #=> "CDT" | |
| * Time.local(2000, 7, 1).isdst #=> true | |
| * Time.local(2000, 7, 1).dst? #=> true | |
| * | |
| * # Asia/Tokyo: | |
| * Time.local(2000, 1, 1).zone #=> "JST" | |
| * Time.local(2000, 1, 1).isdst #=> false | |
| * Time.local(2000, 1, 1).dst? #=> false | |
| * Time.local(2000, 7, 1).zone #=> "JST" | |
| * Time.local(2000, 7, 1).isdst #=> false | |
| * Time.local(2000, 7, 1).dst? #=> false | |
| */ | |
| static VALUE | |
| time_isdst(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return tobj->vtm.isdst ? Qtrue : Qfalse; | |
| } | |
| static VALUE | |
| time_zone_name(const char *zone) | |
| { | |
| VALUE name = rb_str_new_cstr(zone); | |
| if (!rb_enc_str_asciionly_p(name)) { | |
| name = rb_external_str_with_enc(name, rb_locale_encoding()); | |
| } | |
| return name; | |
| } | |
| /* | |
| * call-seq: | |
| * time.zone -> string | |
| * | |
| * Returns the name of the time zone used for _time_. As of Ruby | |
| * 1.8, returns ``UTC'' rather than ``GMT'' for UTC times. | |
| * | |
| * t = Time.gm(2000, "jan", 1, 20, 15, 1) | |
| * t.zone #=> "UTC" | |
| * t = Time.local(2000, "jan", 1, 20, 15, 1) | |
| * t.zone #=> "CST" | |
| */ | |
| static VALUE | |
| time_zone(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| if (TIME_UTC_P(tobj)) { | |
| return rb_usascii_str_new_cstr("UTC"); | |
| } | |
| if (tobj->vtm.zone == NULL) | |
| return Qnil; | |
| return time_zone_name(tobj->vtm.zone); | |
| } | |
| /* | |
| * call-seq: | |
| * time.gmt_offset -> fixnum | |
| * time.gmtoff -> fixnum | |
| * time.utc_offset -> fixnum | |
| * | |
| * Returns the offset in seconds between the timezone of _time_ | |
| * and UTC. | |
| * | |
| * t = Time.gm(2000,1,1,20,15,1) #=> 2000-01-01 20:15:01 UTC | |
| * t.gmt_offset #=> 0 | |
| * l = t.getlocal #=> 2000-01-01 14:15:01 -0600 | |
| * l.gmt_offset #=> -21600 | |
| */ | |
| static VALUE | |
| time_utc_offset(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| if (TIME_UTC_P(tobj)) { | |
| return INT2FIX(0); | |
| } | |
| else { | |
| return tobj->vtm.utc_offset; | |
| } | |
| } | |
| /* | |
| * call-seq: | |
| * time.to_a -> array | |
| * | |
| * Returns a ten-element _array_ of values for _time_: | |
| * | |
| * [sec, min, hour, day, month, year, wday, yday, isdst, zone] | |
| * | |
| * See the individual methods for an explanation of the | |
| * valid ranges of each value. The ten elements can be passed directly | |
| * to Time::utc or Time::local to create a | |
| * new Time object. | |
| * | |
| * t = Time.now #=> 2007-11-19 08:36:01 -0600 | |
| * now = t.to_a #=> [1, 36, 8, 19, 11, 2007, 1, 323, false, "CST"] | |
| */ | |
| static VALUE | |
| time_to_a(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| return rb_ary_new3(10, | |
| INT2FIX(tobj->vtm.sec), | |
| INT2FIX(tobj->vtm.min), | |
| INT2FIX(tobj->vtm.hour), | |
| INT2FIX(tobj->vtm.mday), | |
| INT2FIX(tobj->vtm.mon), | |
| tobj->vtm.year, | |
| INT2FIX(tobj->vtm.wday), | |
| INT2FIX(tobj->vtm.yday), | |
| tobj->vtm.isdst?Qtrue:Qfalse, | |
| time_zone(time)); | |
| } | |
| #define SMALLBUF 100 | |
| static size_t | |
| rb_strftime_alloc(char **buf, VALUE formatv, const char *format, rb_encoding *enc, | |
| struct vtm *vtm, wideval_t timew, int gmt) | |
| { | |
| size_t size, len, flen; | |
| VALUE timev = Qnil; | |
| struct timespec ts; | |
| if (!timew2timespec_exact(timew, &ts)) | |
| timev = w2v(rb_time_unmagnify(timew)); | |
| (*buf)[0] = '\0'; | |
| flen = strlen(format); | |
| if (flen == 0) { | |
| return 0; | |
| } | |
| errno = 0; | |
| if (timev == Qnil) | |
| len = rb_strftime_timespec(*buf, SMALLBUF, format, enc, vtm, &ts, gmt); | |
| else | |
| len = rb_strftime(*buf, SMALLBUF, format, enc, vtm, timev, gmt); | |
| if (len != 0 || (**buf == '\0' && errno != ERANGE)) return len; | |
| for (size=1024; ; size*=2) { | |
| *buf = xmalloc(size); | |
| (*buf)[0] = '\0'; | |
| if (timev == Qnil) | |
| len = rb_strftime_timespec(*buf, size, format, enc, vtm, &ts, gmt); | |
| else | |
| len = rb_strftime(*buf, size, format, enc, vtm, timev, gmt); | |
| /* | |
| * buflen can be zero EITHER because there's not enough | |
| * room in the string, or because the control command | |
| * goes to the empty string. Make a reasonable guess that | |
| * if the buffer is 1024 times bigger than the length of the | |
| * format string, it's not failing for lack of room. | |
| */ | |
| if (len > 0) break; | |
| xfree(*buf); | |
| if (size >= 1024 * flen) { | |
| if (!NIL_P(formatv)) rb_sys_fail_str(formatv); | |
| rb_sys_fail(format); | |
| break; | |
| } | |
| } | |
| return len; | |
| } | |
| static VALUE | |
| strftimev(const char *fmt, VALUE time, rb_encoding *enc) | |
| { | |
| struct time_object *tobj; | |
| char buffer[SMALLBUF], *buf = buffer; | |
| long len; | |
| VALUE str; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| len = rb_strftime_alloc(&buf, Qnil, fmt, enc, &tobj->vtm, tobj->timew, TIME_UTC_P(tobj)); | |
| str = rb_enc_str_new(buf, len, enc); | |
| if (buf != buffer) xfree(buf); | |
| return str; | |
| } | |
| /* | |
| * call-seq: | |
| * time.strftime( string ) -> string | |
| * | |
| * Formats _time_ according to the directives in the given format string. | |
| * | |
| * The directives begin with a percent (%) character. | |
| * Any text not listed as a directive will be passed through to the | |
| * output string. | |
| * | |
| * The directive consists of a percent (%) character, | |
| * zero or more flags, optional minimum field width, | |
| * optional modifier and a conversion specifier | |
| * as follows: | |
| * | |
| * %<flags><width><modifier><conversion> | |
| * | |
| * Flags: | |
| * - don't pad a numerical output | |
| * _ use spaces for padding | |
| * 0 use zeros for padding | |
| * ^ upcase the result string | |
| * # change case | |
| * : use colons for %z | |
| * | |
| * The minimum field width specifies the minimum width. | |
| * | |
| * The modifiers are "E" and "O". | |
| * They are ignored. | |
| * | |
| * Format directives: | |
| * | |
| * Date (Year, Month, Day): | |
| * %Y - Year with century if provided, will pad result at least 4 digits. | |
| * -0001, 0000, 1995, 2009, 14292, etc. | |
| * %C - year / 100 (rounded down such as 20 in 2009) | |
| * %y - year % 100 (00..99) | |
| * | |
| * %m - Month of the year, zero-padded (01..12) | |
| * %_m blank-padded ( 1..12) | |
| * %-m no-padded (1..12) | |
| * %B - The full month name (``January'') | |
| * %^B uppercased (``JANUARY'') | |
| * %b - The abbreviated month name (``Jan'') | |
| * %^b uppercased (``JAN'') | |
| * %h - Equivalent to %b | |
| * | |
| * %d - Day of the month, zero-padded (01..31) | |
| * %-d no-padded (1..31) | |
| * %e - Day of the month, blank-padded ( 1..31) | |
| * | |
| * %j - Day of the year (001..366) | |
| * | |
| * Time (Hour, Minute, Second, Subsecond): | |
| * %H - Hour of the day, 24-hour clock, zero-padded (00..23) | |
| * %k - Hour of the day, 24-hour clock, blank-padded ( 0..23) | |
| * %I - Hour of the day, 12-hour clock, zero-padded (01..12) | |
| * %l - Hour of the day, 12-hour clock, blank-padded ( 1..12) | |
| * %P - Meridian indicator, lowercase (``am'' or ``pm'') | |
| * %p - Meridian indicator, uppercase (``AM'' or ``PM'') | |
| * | |
| * %M - Minute of the hour (00..59) | |
| * | |
| * %S - Second of the minute (00..60) | |
| * | |
| * %L - Millisecond of the second (000..999) | |
| * The digits under millisecond are truncated to not produce 1000. | |
| * %N - Fractional seconds digits, default is 9 digits (nanosecond) | |
| * %3N millisecond (3 digits) | |
| * %6N microsecond (6 digits) | |
| * %9N nanosecond (9 digits) | |
| * %12N picosecond (12 digits) | |
| * %15N femtosecond (15 digits) | |
| * %18N attosecond (18 digits) | |
| * %21N zeptosecond (21 digits) | |
| * %24N yoctosecond (24 digits) | |
| * The digits under the specified length are truncated to avoid | |
| * carry up. | |
| * | |
| * Time zone: | |
| * %z - Time zone as hour and minute offset from UTC (e.g. +0900) | |
| * %:z - hour and minute offset from UTC with a colon (e.g. +09:00) | |
| * %::z - hour, minute and second offset from UTC (e.g. +09:00:00) | |
| * %Z - Abbreviated time zone name or similar information. (OS dependent) | |
| * | |
| * Weekday: | |
| * %A - The full weekday name (``Sunday'') | |
| * %^A uppercased (``SUNDAY'') | |
| * %a - The abbreviated name (``Sun'') | |
| * %^a uppercased (``SUN'') | |
| * %u - Day of the week (Monday is 1, 1..7) | |
| * %w - Day of the week (Sunday is 0, 0..6) | |
| * | |
| * ISO 8601 week-based year and week number: | |
| * The first week of YYYY starts with a Monday and includes YYYY-01-04. | |
| * The days in the year before the first week are in the last week of | |
| * the previous year. | |
| * %G - The week-based year | |
| * %g - The last 2 digits of the week-based year (00..99) | |
| * %V - Week number of the week-based year (01..53) | |
| * | |
| * Week number: | |
| * The first week of YYYY that starts with a Sunday or Monday (according to %U | |
| * or %W). The days in the year before the first week are in week 0. | |
| * %U - Week number of the year. The week starts with Sunday. (00..53) | |
| * %W - Week number of the year. The week starts with Monday. (00..53) | |
| * | |
| * Seconds since the Epoch: | |
| * %s - Number of seconds since 1970-01-01 00:00:00 UTC. | |
| * | |
| * Literal string: | |
| * %n - Newline character (\n) | |
| * %t - Tab character (\t) | |
| * %% - Literal ``%'' character | |
| * | |
| * Combination: | |
| * %c - date and time (%a %b %e %T %Y) | |
| * %D - Date (%m/%d/%y) | |
| * %F - The ISO 8601 date format (%Y-%m-%d) | |
| * %v - VMS date (%e-%^b-%4Y) | |
| * %x - Same as %D | |
| * %X - Same as %T | |
| * %r - 12-hour time (%I:%M:%S %p) | |
| * %R - 24-hour time (%H:%M) | |
| * %T - 24-hour time (%H:%M:%S) | |
| * | |
| * This method is similar to strftime() function defined in ISO C and POSIX. | |
| * | |
| * While all directives are locale independent since Ruby 1.9, %Z is platform | |
| * dependent. | |
| * So, the result may differ even if the same format string is used in other | |
| * systems such as C. | |
| * | |
| * %z is recommended over %Z. | |
| * %Z doesn't identify the timezone. | |
| * For example, "CST" is used at America/Chicago (-06:00), | |
| * America/Havana (-05:00), Asia/Harbin (+08:00), Australia/Darwin (+09:30) | |
| * and Australia/Adelaide (+10:30). | |
| * Also, %Z is highly dependent on the operating system. | |
| * For example, it may generate a non ASCII string on Japanese Windows. | |
| * i.e. the result can be different to "JST". | |
| * So the numeric time zone offset, %z, is recommended. | |
| * | |
| * Examples: | |
| * | |
| * t = Time.new(2007,11,19,8,37,48,"-06:00") #=> 2007-11-19 08:37:48 -0600 | |
| * t.strftime("Printed on %m/%d/%Y") #=> "Printed on 11/19/2007" | |
| * t.strftime("at %I:%M%p") #=> "at 08:37AM" | |
| * | |
| * Various ISO 8601 formats: | |
| * %Y%m%d => 20071119 Calendar date (basic) | |
| * %F => 2007-11-19 Calendar date (extended) | |
| * %Y-%m => 2007-11 Calendar date, reduced accuracy, specific month | |
| * %Y => 2007 Calendar date, reduced accuracy, specific year | |
| * %C => 20 Calendar date, reduced accuracy, specific century | |
| * %Y%j => 2007323 Ordinal date (basic) | |
| * %Y-%j => 2007-323 Ordinal date (extended) | |
| * %GW%V%u => 2007W471 Week date (basic) | |
| * %G-W%V-%u => 2007-W47-1 Week date (extended) | |
| * %GW%V => 2007W47 Week date, reduced accuracy, specific week (basic) | |
| * %G-W%V => 2007-W47 Week date, reduced accuracy, specific week (extended) | |
| * %H%M%S => 083748 Local time (basic) | |
| * %T => 08:37:48 Local time (extended) | |
| * %H%M => 0837 Local time, reduced accuracy, specific minute (basic) | |
| * %H:%M => 08:37 Local time, reduced accuracy, specific minute (extended) | |
| * %H => 08 Local time, reduced accuracy, specific hour | |
| * %H%M%S,%L => 083748,000 Local time with decimal fraction, comma as decimal sign (basic) | |
| * %T,%L => 08:37:48,000 Local time with decimal fraction, comma as decimal sign (extended) | |
| * %H%M%S.%L => 083748.000 Local time with decimal fraction, full stop as decimal sign (basic) | |
| * %T.%L => 08:37:48.000 Local time with decimal fraction, full stop as decimal sign (extended) | |
| * %H%M%S%z => 083748-0600 Local time and the difference from UTC (basic) | |
| * %T%:z => 08:37:48-06:00 Local time and the difference from UTC (extended) | |
| * %Y%m%dT%H%M%S%z => 20071119T083748-0600 Date and time of day for calendar date (basic) | |
| * %FT%T%:z => 2007-11-19T08:37:48-06:00 Date and time of day for calendar date (extended) | |
| * %Y%jT%H%M%S%z => 2007323T083748-0600 Date and time of day for ordinal date (basic) | |
| * %Y-%jT%T%:z => 2007-323T08:37:48-06:00 Date and time of day for ordinal date (extended) | |
| * %GW%V%uT%H%M%S%z => 2007W471T083748-0600 Date and time of day for week date (basic) | |
| * %G-W%V-%uT%T%:z => 2007-W47-1T08:37:48-06:00 Date and time of day for week date (extended) | |
| * %Y%m%dT%H%M => 20071119T0837 Calendar date and local time (basic) | |
| * %FT%R => 2007-11-19T08:37 Calendar date and local time (extended) | |
| * %Y%jT%H%MZ => 2007323T0837Z Ordinal date and UTC of day (basic) | |
| * %Y-%jT%RZ => 2007-323T08:37Z Ordinal date and UTC of day (extended) | |
| * %GW%V%uT%H%M%z => 2007W471T0837-0600 Week date and local time and difference from UTC (basic) | |
| * %G-W%V-%uT%R%:z => 2007-W47-1T08:37-06:00 Week date and local time and difference from UTC (extended) | |
| * | |
| */ | |
| static VALUE | |
| time_strftime(VALUE time, VALUE format) | |
| { | |
| struct time_object *tobj; | |
| char buffer[SMALLBUF], *buf = buffer; | |
| const char *fmt; | |
| long len; | |
| rb_encoding *enc; | |
| VALUE str; | |
| GetTimeval(time, tobj); | |
| MAKE_TM(time, tobj); | |
| StringValue(format); | |
| if (!rb_enc_str_asciicompat_p(format)) { | |
| rb_raise(rb_eArgError, "format should have ASCII compatible encoding"); | |
| } | |
| format = rb_str_new4(format); | |
| fmt = RSTRING_PTR(format); | |
| len = RSTRING_LEN(format); | |
| enc = rb_enc_get(format); | |
| if (len == 0) { | |
| rb_warning("strftime called with empty format string"); | |
| } | |
| else if (fmt[len] || memchr(fmt, '\0', len)) { | |
| /* Ruby string may contain \0's. */ | |
| const char *p = fmt, *pe = fmt + len; | |
| str = rb_str_new(0, 0); | |
| while (p < pe) { | |
| len = rb_strftime_alloc(&buf, format, p, enc, | |
| &tobj->vtm, tobj->timew, TIME_UTC_P(tobj)); | |
| rb_str_cat(str, buf, len); | |
| p += strlen(p); | |
| if (buf != buffer) { | |
| xfree(buf); | |
| buf = buffer; | |
| } | |
| for (fmt = p; p < pe && !*p; ++p); | |
| if (p > fmt) rb_str_cat(str, fmt, p - fmt); | |
| } | |
| return str; | |
| } | |
| else { | |
| len = rb_strftime_alloc(&buf, format, RSTRING_PTR(format), enc, | |
| &tobj->vtm, tobj->timew, TIME_UTC_P(tobj)); | |
| } | |
| str = rb_enc_str_new(buf, len, enc); | |
| if (buf != buffer) xfree(buf); | |
| return str; | |
| } | |
| /* :nodoc: */ | |
| static VALUE | |
| time_mdump(VALUE time) | |
| { | |
| struct time_object *tobj; | |
| unsigned long p, s; | |
| char buf[8]; | |
| int i; | |
| VALUE str; | |
| struct vtm vtm; | |
| long year; | |
| long usec, nsec; | |
| VALUE subsecx, nano, subnano, v; | |
| GetTimeval(time, tobj); | |
| gmtimew(tobj->timew, &vtm); | |
| if (FIXNUM_P(vtm.year)) { | |
| year = FIX2LONG(vtm.year); | |
| if (year < 1900 || 1900+0xffff < year) | |
| rb_raise(rb_eArgError, "year too big to marshal: %ld UTC", year); | |
| } | |
| else { | |
| rb_raise(rb_eArgError, "year too big to marshal"); | |
| } | |
| subsecx = vtm.subsecx; | |
| nano = mulquo(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE)); | |
| divmodv(nano, INT2FIX(1), &v, &subnano); | |
| nsec = FIX2LONG(v); | |
| usec = nsec / 1000; | |
| nsec = nsec % 1000; | |
| nano = add(LONG2FIX(nsec), subnano); | |
| p = 0x1UL << 31 | /* 1 */ | |
| TIME_UTC_P(tobj) << 30 | /* 1 */ | |
| (year-1900) << 14 | /* 16 */ | |
| (vtm.mon-1) << 10 | /* 4 */ | |
| vtm.mday << 5 | /* 5 */ | |
| vtm.hour; /* 5 */ | |
| s = (unsigned long)vtm.min << 26 | /* 6 */ | |
| vtm.sec << 20 | /* 6 */ | |
| usec; /* 20 */ | |
| for (i=0; i<4; i++) { | |
| buf[i] = (unsigned char)p; | |
| p = RSHIFT(p, 8); | |
| } | |
| for (i=4; i<8; i++) { | |
| buf[i] = (unsigned char)s; | |
| s = RSHIFT(s, 8); | |
| } | |
| str = rb_str_new(buf, 8); | |
| rb_copy_generic_ivar(str, time); | |
| if (!rb_equal(nano, INT2FIX(0))) { | |
| if (RB_TYPE_P(nano, T_RATIONAL)) { | |
| rb_ivar_set(str, id_nano_num, RRATIONAL(nano)->num); | |
| rb_ivar_set(str, id_nano_den, RRATIONAL(nano)->den); | |
| } | |
| else { | |
| rb_ivar_set(str, id_nano_num, nano); | |
| rb_ivar_set(str, id_nano_den, INT2FIX(1)); | |
| } | |
| } | |
| if (nsec) { /* submicro is only for Ruby 1.9.1 compatibility */ | |
| /* | |
| * submicro is formatted in fixed-point packed BCD (without sign). | |
| * It represent digits under microsecond. | |
| * For nanosecond resolution, 3 digits (2 bytes) are used. | |
| * However it can be longer. | |
| * Extra digits are ignored for loading. | |
| */ | |
| char buf[2]; | |
| int len = (int)sizeof(buf); | |
| buf[1] = (char)((nsec % 10) << 4); | |
| nsec /= 10; | |
| buf[0] = (char)(nsec % 10); | |
| nsec /= 10; | |
| buf[0] |= (char)((nsec % 10) << 4); | |
| if (buf[1] == 0) | |
| len = 1; | |
| rb_ivar_set(str, id_submicro, rb_str_new(buf, len)); | |
| } | |
| if (!TIME_UTC_P(tobj)) { | |
| VALUE off = time_utc_offset(time), div, mod; | |
| divmodv(off, INT2FIX(1), &div, &mod); | |
| if (rb_equal(mod, INT2FIX(0))) | |
| off = rb_Integer(div); | |
| rb_ivar_set(str, id_offset, off); | |
| } | |
| if (tobj->vtm.zone) { | |
| rb_ivar_set(str, id_zone, time_zone_name(tobj->vtm.zone)); | |
| } | |
| return str; | |
| } | |
| /* :nodoc: */ | |
| static VALUE | |
| time_dump(int argc, VALUE *argv, VALUE time) | |
| { | |
| VALUE str; | |
| rb_scan_args(argc, argv, "01", 0); | |
| str = time_mdump(time); | |
| return str; | |
| } | |
| /* :nodoc: */ | |
| static VALUE | |
| time_mload(VALUE time, VALUE str) | |
| { | |
| struct time_object *tobj; | |
| unsigned long p, s; | |
| time_t sec; | |
| long usec; | |
| unsigned char *buf; | |
| struct vtm vtm; | |
| int i, gmt; | |
| long nsec; | |
| VALUE submicro, nano_num, nano_den, offset, zone; | |
| wideval_t timew; | |
| st_data_t data; | |
| time_modify(time); | |
| #define get_attr(attr, iffound) \ | |
| attr = rb_attr_get(str, id_##attr); \ | |
| if (!NIL_P(attr)) { \ | |
| data = id_##attr; \ | |
| iffound; \ | |
| st_delete(rb_generic_ivar_table(str), &data, 0); \ | |
| } | |
| get_attr(nano_num, {}); | |
| get_attr(nano_den, {}); | |
| get_attr(submicro, {}); | |
| get_attr(offset, (offset = rb_rescue(validate_utc_offset, offset, NULL, Qnil))); | |
| get_attr(zone, (zone = rb_rescue(validate_zone_name, zone, NULL, Qnil))); | |
| #undef get_attr | |
| rb_copy_generic_ivar(time, str); | |
| StringValue(str); | |
| buf = (unsigned char *)RSTRING_PTR(str); | |
| if (RSTRING_LEN(str) != 8) { | |
| rb_raise(rb_eTypeError, "marshaled time format differ"); | |
| } | |
| p = s = 0; | |
| for (i=0; i<4; i++) { | |
| p |= (unsigned long)buf[i]<<(8*i); | |
| } | |
| for (i=4; i<8; i++) { | |
| s |= (unsigned long)buf[i]<<(8*(i-4)); | |
| } | |
| if ((p & (1UL<<31)) == 0) { | |
| gmt = 0; | |
| offset = Qnil; | |
| sec = p; | |
| usec = s; | |
| nsec = usec * 1000; | |
| timew = wadd(rb_time_magnify(TIMET2WV(sec)), wmulquoll(WINT2FIXWV(usec), TIME_SCALE, 1000000)); | |
| } | |
| else { | |
| p &= ~(1UL<<31); | |
| gmt = (int)((p >> 30) & 0x1); | |
| vtm.year = INT2FIX(((int)(p >> 14) & 0xffff) + 1900); | |
| vtm.mon = ((int)(p >> 10) & 0xf) + 1; | |
| vtm.mday = (int)(p >> 5) & 0x1f; | |
| vtm.hour = (int) p & 0x1f; | |
| vtm.min = (int)(s >> 26) & 0x3f; | |
| vtm.sec = (int)(s >> 20) & 0x3f; | |
| vtm.utc_offset = INT2FIX(0); | |
| vtm.yday = vtm.wday = 0; | |
| vtm.isdst = 0; | |
| vtm.zone = ""; | |
| usec = (long)(s & 0xfffff); | |
| nsec = usec * 1000; | |
| vtm.subsecx = mulquo(LONG2FIX(nsec), INT2FIX(TIME_SCALE), LONG2FIX(1000000000)); | |
| if (nano_num != Qnil) { | |
| VALUE nano = quo(num_exact(nano_num), num_exact(nano_den)); | |
| vtm.subsecx = add(vtm.subsecx, mulquo(nano, INT2FIX(TIME_SCALE), LONG2FIX(1000000000))); | |
| } | |
| else if (submicro != Qnil) { /* for Ruby 1.9.1 compatibility */ | |
| unsigned char *ptr; | |
| long len; | |
| int digit; | |
| ptr = (unsigned char*)StringValuePtr(submicro); | |
| len = RSTRING_LEN(submicro); | |
| nsec = 0; | |
| if (0 < len) { | |
| if (10 <= (digit = ptr[0] >> 4)) goto end_submicro; | |
| nsec += digit * 100; | |
| if (10 <= (digit = ptr[0] & 0xf)) goto end_submicro; | |
| nsec += digit * 10; | |
| } | |
| if (1 < len) { | |
| if (10 <= (digit = ptr[1] >> 4)) goto end_submicro; | |
| nsec += digit; | |
| } | |
| vtm.subsecx = add(vtm.subsecx, mulquo(LONG2FIX(nsec), INT2FIX(TIME_SCALE), LONG2FIX(1000000000))); | |
| end_submicro: ; | |
| } | |
| timew = timegmw(&vtm); | |
| } | |
| GetNewTimeval(time, tobj); | |
| tobj->gmt = 0; | |
| tobj->tm_got = 0; | |
| tobj->timew = timew; | |
| if (gmt) { | |
| TIME_SET_UTC(tobj); | |
| } | |
| else if (!NIL_P(offset)) { | |
| time_set_utc_offset(time, offset); | |
| time_fixoff(time); | |
| } | |
| if (!NIL_P(zone)) { | |
| zone = rb_str_new_frozen(zone); | |
| tobj->vtm.zone = StringValueCStr(zone); | |
| rb_ivar_set(time, id_zone, zone); | |
| } | |
| return time; | |
| } | |
| /* :nodoc: */ | |
| static VALUE | |
| time_load(VALUE klass, VALUE str) | |
| { | |
| VALUE time = time_s_alloc(klass); | |
| time_mload(time, str); | |
| return time; | |
| } | |
| /* | |
| * Time is an abstraction of dates and times. Time is stored internally as | |
| * the number of seconds with fraction since the _Epoch_, January 1, 1970 | |
| * 00:00 UTC. Also see the library module Date. The Time class treats GMT | |
| * (Greenwich Mean Time) and UTC (Coordinated Universal Time) as equivalent. | |
| * GMT is the older way of referring to these baseline times but persists in | |
| * the names of calls on POSIX systems. | |
| * | |
| * All times may have fraction. Be aware of this fact when comparing times | |
| * with each other -- times that are apparently equal when displayed may be | |
| * different when compared. | |
| * | |
| * Since Ruby 1.9.2, Time implementation uses a signed 63 bit integer, | |
| * Bignum or Rational. | |
| * The integer is a number of nanoseconds since the _Epoch_ which can | |
| * represent 1823-11-12 to 2116-02-20. | |
| * When Bignum or Rational is used (before 1823, after 2116, under | |
| * nanosecond), Time works slower as when integer is used. | |
| * | |
| * = Examples | |
| * | |
| * All of these examples were done using the EST timezone which is GMT-5. | |
| * | |
| * == Creating a new Time instance | |
| * | |
| * You can create a new instance of Time with Time::new. This will use the | |
| * current system time. Time::now is an alias for this. You can also | |
| * pass parts of the time to Time::new such as year, month, minute, etc. When | |
| * you want to construct a time this way you must pass at least a year. If you | |
| * pass the year with nothing else time will default to January 1 of that year | |
| * at 00:00:00 with the current system timezone. Here are some examples: | |
| * | |
| * Time.new(2002) #=> 2002-01-01 00:00:00 -0500 | |
| * Time.new(2002, 10) #=> 2002-10-01 00:00:00 -0500 | |
| * Time.new(2002, 10, 31) #=> 2002-10-31 00:00:00 -0500 | |
| * Time.new(2002, 10, 31, 2, 2, 2, "+02:00") #=> 2002-10-31 02:02:02 +0200 | |
| * | |
| * You can also use #gm, #local and | |
| * #utc to infer GMT, local and UTC timezones instead of using | |
| * the current system setting. | |
| * | |
| * You can also create a new time using Time::at which takes the number of | |
| * seconds (or fraction of seconds) since the {Unix | |
| * Epoch}[http://en.wikipedia.org/wiki/Unix_time]. | |
| * | |
| * Time.at(628232400) #=> 1989-11-28 00:00:00 -0500 | |
| * | |
| * == Working with an instance of Time | |
| * | |
| * Once you have an instance of Time there is a multitude of things you can | |
| * do with it. Below are some examples. For all of the following examples, we | |
| * will work on the assumption that you have done the following: | |
| * | |
| * t = Time.new(1993, 02, 24, 12, 0, 0, "+09:00") | |
| * | |
| * Was that a monday? | |
| * | |
| * t.monday? #=> false | |
| * | |
| * What year was that again? | |
| * | |
| * t.year #=> 1993 | |
| * | |
| * Was is daylight savings at the time? | |
| * | |
| * t.dst? #=> false | |
| * | |
| * What's the day a year later? | |
| * | |
| * t + (60*60*24*365) #=> 1994-02-24 12:00:00 +0900 | |
| * | |
| * How many seconds was that since the Unix Epoch? | |
| * | |
| * t.to_i #=> 730522800 | |
| * | |
| * You can also do standard functions like compare two times. | |
| * | |
| * t1 = Time.new(2010) | |
| * t2 = Time.new(2011) | |
| * | |
| * t1 == t2 #=> false | |
| * t1 == t1 #=> true | |
| * t1 < t2 #=> true | |
| * t1 > t2 #=> false | |
| * | |
| * Time.new(2010,10,31).between?(t1, t2) #=> true | |
| */ | |
| void | |
| Init_Time(void) | |
| { | |
| #undef rb_intern | |
| #define rb_intern(str) rb_intern_const(str) | |
| id_eq = rb_intern("=="); | |
| id_ne = rb_intern("!="); | |
| id_quo = rb_intern("quo"); | |
| id_div = rb_intern("div"); | |
| id_cmp = rb_intern("<=>"); | |
| id_divmod = rb_intern("divmod"); | |
| id_mul = rb_intern("*"); | |
| id_submicro = rb_intern("submicro"); | |
| id_nano_num = rb_intern("nano_num"); | |
| id_nano_den = rb_intern("nano_den"); | |
| id_offset = rb_intern("offset"); | |
| id_zone = rb_intern("zone"); | |
| rb_cTime = rb_define_class("Time", rb_cObject); | |
| rb_include_module(rb_cTime, rb_mComparable); | |
| rb_define_alloc_func(rb_cTime, time_s_alloc); | |
| rb_define_singleton_method(rb_cTime, "now", time_s_now, 0); | |
| rb_define_singleton_method(rb_cTime, "at", time_s_at, -1); | |
| rb_define_singleton_method(rb_cTime, "utc", time_s_mkutc, -1); | |
| rb_define_singleton_method(rb_cTime, "gm", time_s_mkutc, -1); | |
| rb_define_singleton_method(rb_cTime, "local", time_s_mktime, -1); | |
| rb_define_singleton_method(rb_cTime, "mktime", time_s_mktime, -1); | |
| rb_define_method(rb_cTime, "to_i", time_to_i, 0); | |
| rb_define_method(rb_cTime, "to_f", time_to_f, 0); | |
| rb_define_method(rb_cTime, "to_r", time_to_r, 0); | |
| rb_define_method(rb_cTime, "<=>", time_cmp, 1); | |
| rb_define_method(rb_cTime, "eql?", time_eql, 1); | |
| rb_define_method(rb_cTime, "hash", time_hash, 0); | |
| rb_define_method(rb_cTime, "initialize", time_init, -1); | |
| rb_define_method(rb_cTime, "initialize_copy", time_init_copy, 1); | |
| rb_define_method(rb_cTime, "localtime", time_localtime_m, -1); | |
| rb_define_method(rb_cTime, "gmtime", time_gmtime, 0); | |
| rb_define_method(rb_cTime, "utc", time_gmtime, 0); | |
| rb_define_method(rb_cTime, "getlocal", time_getlocaltime, -1); | |
| rb_define_method(rb_cTime, "getgm", time_getgmtime, 0); | |
| rb_define_method(rb_cTime, "getutc", time_getgmtime, 0); | |
| rb_define_method(rb_cTime, "ctime", time_asctime, 0); | |
| rb_define_method(rb_cTime, "asctime", time_asctime, 0); | |
| rb_define_method(rb_cTime, "to_s", time_to_s, 0); | |
| rb_define_method(rb_cTime, "inspect", time_to_s, 0); | |
| rb_define_method(rb_cTime, "to_a", time_to_a, 0); | |
| rb_define_method(rb_cTime, "+", time_plus, 1); | |
| rb_define_method(rb_cTime, "-", time_minus, 1); | |
| rb_define_method(rb_cTime, "succ", time_succ, 0); | |
| rb_define_method(rb_cTime, "round", time_round, -1); | |
| rb_define_method(rb_cTime, "sec", time_sec, 0); | |
| rb_define_method(rb_cTime, "min", time_min, 0); | |
| rb_define_method(rb_cTime, "hour", time_hour, 0); | |
| rb_define_method(rb_cTime, "mday", time_mday, 0); | |
| rb_define_method(rb_cTime, "day", time_mday, 0); | |
| rb_define_method(rb_cTime, "mon", time_mon, 0); | |
| rb_define_method(rb_cTime, "month", time_mon, 0); | |
| rb_define_method(rb_cTime, "year", time_year, 0); | |
| rb_define_method(rb_cTime, "wday", time_wday, 0); | |
| rb_define_method(rb_cTime, "yday", time_yday, 0); | |
| rb_define_method(rb_cTime, "isdst", time_isdst, 0); | |
| rb_define_method(rb_cTime, "dst?", time_isdst, 0); | |
| rb_define_method(rb_cTime, "zone", time_zone, 0); | |
| rb_define_method(rb_cTime, "gmtoff", time_utc_offset, 0); | |
| rb_define_method(rb_cTime, "gmt_offset", time_utc_offset, 0); | |
| rb_define_method(rb_cTime, "utc_offset", time_utc_offset, 0); | |
| rb_define_method(rb_cTime, "utc?", time_utc_p, 0); | |
| rb_define_method(rb_cTime, "gmt?", time_utc_p, 0); | |
| rb_define_method(rb_cTime, "sunday?", time_sunday, 0); | |
| rb_define_method(rb_cTime, "monday?", time_monday, 0); | |
| rb_define_method(rb_cTime, "tuesday?", time_tuesday, 0); | |
| rb_define_method(rb_cTime, "wednesday?", time_wednesday, 0); | |
| rb_define_method(rb_cTime, "thursday?", time_thursday, 0); | |
| rb_define_method(rb_cTime, "friday?", time_friday, 0); | |
| rb_define_method(rb_cTime, "saturday?", time_saturday, 0); | |
| rb_define_method(rb_cTime, "tv_sec", time_to_i, 0); | |
| rb_define_method(rb_cTime, "tv_usec", time_usec, 0); | |
| rb_define_method(rb_cTime, "usec", time_usec, 0); | |
| rb_define_method(rb_cTime, "tv_nsec", time_nsec, 0); | |
| rb_define_method(rb_cTime, "nsec", time_nsec, 0); | |
| rb_define_method(rb_cTime, "subsec", time_subsec, 0); | |
| rb_define_method(rb_cTime, "strftime", time_strftime, 1); | |
| /* methods for marshaling */ | |
| rb_define_private_method(rb_cTime, "_dump", time_dump, -1); | |
| rb_define_private_method(rb_singleton_class(rb_cTime), "_load", time_load, 1); | |
| #if 0 | |
| /* Time will support marshal_dump and marshal_load in the future (1.9 maybe) */ | |
| rb_define_private_method(rb_cTime, "marshal_dump", time_mdump, 0); | |
| rb_define_private_method(rb_cTime, "marshal_load", time_mload, 1); | |
| #endif | |
| #ifdef DEBUG_FIND_TIME_NUMGUESS | |
| rb_define_virtual_variable("$find_time_numguess", find_time_numguess_getter, NULL); | |
| #endif | |
| } |
Formed in 2009, the Archive Team (not to be confused with the archive.org Archive-It Team) is a rogue archivist collective dedicated to saving copies of rapidly dying or deleted websites for the sake of history and digital heritage. The group is 100% composed of volunteers and interested parties, and has expanded into a large amount of related projects for saving online and digital history.
