Class: Strptime

Inherits:
Object
  • Object
show all
Defined in:
ext/strptime/strptime.c,
lib/strptime.rb,
lib/strptime/version.rb,
ext/strptime/strptime.c

Overview

Strptime is a faster way to parse time strings like strptime(3).

Examples:

parser = Strptime.new('%Y-%m-%dT%H:%M:%S%z')
parser.source #=> "%Y-%m-%dT%H:%M:%S%z"
parser.exec('2015-12-25T12:34:56+09') #=> 2015-12-25 12:34:56 +09:00
parser.execi('2015-12-25T12:34:56+09') #=> 1451014496

Constant Summary collapse

VERSION = 
"0.2.5"

Instance Method Summary collapse

Constructor Details

#new(format) ⇒ Object

returns parser object

Parameters:

  • format (String) —

    strptime(3) style format string.



632
633
634
635
636
637
638
639
640
641
642
643
644
 
# File 'ext/strptime/strptime.c', line 632

static VALUE
strptime_init(VALUE self, VALUE fmt)
{
    struct strptime_object *tobj;
    void **isns;
    StringValueCStr(fmt);
    TypedData_Get_Struct(self, struct strptime_object, &strptime_data_type,
			 tobj);
    isns = strptime_compile(RSTRING_PTR(fmt), RSTRING_LEN(fmt));
    tobj->isns = isns;
    tobj->fmt = rb_str_new_frozen(fmt);
    return self;
}

Instance Method Details

#exec(str) ⇒ Time

Parse given string, and return Time object

Parameters:

  • str (String) —

    string to parse

Returns:

  • (Time) —

    the time object given string means



670
671
672
673
674
675
676
677
678
679
680
681
682
683
 
# File 'ext/strptime/strptime.c', line 670

static VALUE
strptime_exec(VALUE self, VALUE str)
{
    struct strptime_object *tobj;
    int r, gmtoff = INT_MAX;
    struct timespec ts;
    StringValue(str);
    GetStrptimeval(self, tobj);

    r = strptime_exec0(tobj->isns, RSTRING_PTR(tobj->fmt), RSTRING_PTR(str),
		       RSTRING_LEN(str), &ts, &gmtoff);
    if (r) rb_raise(rb_eArgError, "string doesn't match");
    return rb_time_timespec_new(&ts, gmtoff);
}

#execi(str) ⇒ Integer

Parse given string, and return epoch as integer

Parameters:

  • str (String) —

    string to parse

Returns:

  • (Integer) —

    the Unix epoch given string means



692
693
694
695
696
697
698
699
700
701
702
703
704
705
 
# File 'ext/strptime/strptime.c', line 692

static VALUE
strptime_execi(VALUE self, VALUE str)
{
    struct strptime_object *tobj;
    struct timespec ts;
    int r, gmtoff = INT_MAX;
    StringValue(str);
    GetStrptimeval(self, tobj);

    r = strptime_exec0(tobj->isns, RSTRING_PTR(tobj->fmt), RSTRING_PTR(str),
		       RSTRING_LEN(str), &ts, &gmtoff);
    if (r) rb_raise(rb_eArgError, "string doesn't match");
    return TIMET2NUM(ts.tv_sec);
}

#initialize_copy(self) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

For Ruby VM internal.



649
650
651
652
653
654
655
656
657
658
659
660
 
# File 'ext/strptime/strptime.c', line 649

static VALUE
strptime_init_copy(VALUE copy, VALUE self)
{
    struct strptime_object *tobj, *tcopy;

    if (!OBJ_INIT_COPY(copy, self)) return copy;
    GetStrptimeval(self, tobj);
    GetNewStrptimeval(copy, tcopy);
    MEMCPY(tcopy, tobj, struct strptime_object, 1);

    return copy;
}

#source ⇒ String

Returns source format string.

Returns:

  • (String) —

    source format string



711
712
713
714
715
716
717
718
 
# File 'ext/strptime/strptime.c', line 711

static VALUE
strptime_source(VALUE self)
{
    struct strptime_object *tobj;
    GetStrptimeval(self, tobj);

    return tobj->fmt;
}