Method: StringIO#each_codepoint

Defined in:

stringio.c

#each_codepoint {|codepoint| ... } ⇒ self

With a block given, calls the block with each remaining codepoint in the stream; see Codepoint IO.

With no block given, returns an enumerator.

Yields:

• (codepoint)

Returns:

• (self)

# File 'stringio.c', line 1107

static VALUE
strio_each_codepoint(VALUE self)
{
    struct StringIO *ptr;
    rb_encoding *enc;
    unsigned int c;
    int n;

    RETURN_ENUMERATOR(self, 0, 0);

    ptr = readable(self);
    enc = get_enc(ptr);
    while ((ptr = strio_to_read(self)) != NULL) {
	c = rb_enc_codepoint_len(RSTRING_PTR(ptr->string)+ptr->pos,
				 RSTRING_END(ptr->string), &n, enc);
	ptr->pos += n;
	rb_yield(UINT2NUM(c));
    }
    return self;
}