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; rb_scan_args(argc, argv, "11:", NULL, NULL, &opts); if (!NIL_P(opts)) { argc--; } val = strio_read(argc, argv, self); if (NIL_P(val)) { if (!NIL_P(opts) && rb_hash_lookup2(opts, sym_exception, Qundef) == Qfalse) return Qnil; else rb_eof_error(); } return val; }
See IO#readbyte.
static VALUE strio_readbyte(VALUE self) { VALUE c = rb_funcallv(self, rb_intern("getbyte"), 0, 0); if (NIL_P(c)) rb_eof_error(); return c; }
See IO#readchar.
static VALUE strio_readchar(VALUE self) { VALUE c = rb_funcallv(self, rb_intern("getc"), 0, 0); if (NIL_P(c)) rb_eof_error(); return c; }
See IO#readline.
static VALUE strio_readline(int argc, VALUE *argv, VALUE self) { VALUE line = rb_funcallv_kw(self, rb_intern("gets"), argc, argv, RB_PASS_CALLED_KEYWORDS); if (NIL_P(line)) rb_eof_error(); return line; }
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_funcallv_kw(self, rb_intern("read"), argc, argv, RB_PASS_CALLED_KEYWORDS); if (NIL_P(val)) { rb_eof_error(); } return val; }
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_funcallv_kw(self, rb_intern("read"), argc, argv, RB_PASS_CALLED_KEYWORDS); if (NIL_P(val)) { rb_eof_error(); } return val; }