StringScanner#get_byte

get_byte

static VALUE
strscan_get_byte(VALUE self)
{
    struct strscanner *p;

    GET_SCANNER(self, p);
    CLEAR_MATCH_STATUS(p);
    if (EOS_P(p))
        return Qnil;

    p->prev = p->curr;
    p->curr++;
    MATCHED(p);
    adjust_registers_to_matched(p);
    return extract_range(p,
                         adjust_register_position(p, p->regs.beg[0]),
                         adjust_register_position(p, p->regs.end[0]));
}

Scans one byte and returns it. This method is not multibyte character sensitive. See also: getch.

Example

s = StringScanner.new('ab')
s.get_byte         # => "a"
s.get_byte         # => "b"
s.get_byte         # => nil

s = StringScanner.new("\244\242".force_encoding("euc-jp"))
s.get_byte         # => "\xA4"
s.get_byte         # => "\xA2"
s.get_byte         # => nil

See also #fixed_anchor? #getbyte #exist? #getch also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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