module IO::generic_readable
Public Instance Methods
getch(min: nil, time: nil) → char
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See IO#getch.
static VALUE io_getch(int argc, VALUE *argv, VALUE io) { return rb_funcall2(io, rb_intern("getc"), argc, argv); }
read_nonblock(integer[, outbuf [, opts]]) → string
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Similar to read, but raises EOFError
at end of string unless
the +exception: false+ option is passed in.
static VALUE strio_read_nonblock(int argc, VALUE *argv, VALUE self) { VALUE opts = Qnil, val; int no_exception = 0; rb_scan_args(argc, argv, "11:", NULL, NULL, &opts); if (!NIL_P(opts)) { argc--; if (Qfalse == rb_hash_aref(opts, sym_exception)) no_exception = 1; } val = strio_read(argc, argv, self); if (NIL_P(val)) { if (no_exception) return Qnil; else rb_eof_error(); } return val; }
readbyte → fixnum
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See IO#readbyte.
static VALUE strio_readbyte(VALUE self) { VALUE c = rb_funcall2(self, rb_intern("getbyte"), 0, 0); if (NIL_P(c)) rb_eof_error(); return c; }
readchar → string
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See IO#readchar.
static VALUE strio_readchar(VALUE self) { VALUE c = rb_funcall2(self, rb_intern("getc"), 0, 0); if (NIL_P(c)) rb_eof_error(); return c; }
readline(sep=$/) → string
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readline(limit) → string or nil
readline(sep, limit) → string or nil
See IO#readline.
static VALUE strio_readline(int argc, VALUE *argv, VALUE self) { VALUE line = rb_funcall2(self, rb_intern("gets"), argc, argv); if (NIL_P(line)) rb_eof_error(); return line; }
readpartial(integer[, outbuf]) → string
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Similar to read, but raises EOFError
at end of string instead
of returning nil
, as well as IO#sysread does.
static VALUE strio_sysread(int argc, VALUE *argv, VALUE self) { VALUE val = rb_funcall2(self, rb_intern("read"), argc, argv); if (NIL_P(val)) { rb_eof_error(); } return val; }
sysread(integer[, outbuf]) → string
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Similar to read, but raises EOFError
at end of string instead
of returning nil
, as well as IO#sysread does.
static VALUE strio_sysread(int argc, VALUE *argv, VALUE self) { VALUE val = rb_funcall2(self, rb_intern("read"), argc, argv); if (NIL_P(val)) { rb_eof_error(); } return val; }