[macruby-changes] [3681] MacRuby/branches/icu/symbol.c
source_changes at macosforge.org
source_changes at macosforge.org
Wed Mar 3 12:28:52 PST 2010
Revision: 3681
http://trac.macosforge.org/projects/ruby/changeset/3681
Author: lsansonetti at apple.com
Date: 2010-03-03 12:28:52 -0800 (Wed, 03 Mar 2010)
Log Message:
-----------
added #empty?
Modified Paths:
--------------
MacRuby/branches/icu/symbol.c
Modified: MacRuby/branches/icu/symbol.c
===================================================================
--- MacRuby/branches/icu/symbol.c 2010-03-03 20:28:30 UTC (rev 3680)
+++ MacRuby/branches/icu/symbol.c 2010-03-03 20:28:52 UTC (rev 3681)
@@ -362,6 +362,19 @@
return sym;
}
+/*
+ * call-seq:
+ * sym.empty? => true or false
+ *
+ * Returns that _sym_ is :"" or not.
+ */
+
+static VALUE
+rsym_empty(VALUE sym, SEL sel)
+{
+ return rb_str_chars_len(RSYM(sym)->str) == 0 ? Qtrue : Qfalse;
+}
+
static CFIndex
rsym_imp_length(void *rcv, SEL sel)
{
@@ -389,7 +402,6 @@
rb_objc_define_method(rb_cSymbol, "==", rsym_equal, 1);
rb_objc_define_method(rb_cSymbol, "<=>", rsym_cmp, 1);
rb_objc_define_method(rb_cSymbol, "eql?", rsym_equal, 1);
- //rb_objc_define_method(rb_cSymbol, "<=>", rsym_cmp, 1);
rb_objc_define_method(rb_cSymbol, "inspect", rsym_inspect, 0);
rb_objc_define_method(rb_cSymbol, "to_proc", rsym_to_proc, 0);
rb_objc_define_method(rb_cSymbol, "to_s", rsym_to_s, 0);
@@ -397,6 +409,7 @@
rb_objc_define_method(rb_cSymbol, "description", rsym_to_s, 0);
rb_objc_define_method(rb_cSymbol, "intern", rsym_to_sym, 0);
rb_objc_define_method(rb_cSymbol, "to_sym", rsym_to_sym, 0);
+ rb_objc_define_method(rb_cSymbol, "empty?", rsym_empty, 0);
// Cocoa primitives.
rb_objc_install_method2((Class)rb_cSymbol, "length",
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