* string.c (rb_str_each_line, rb_str_each_byte): Reflect

enumerator integration.  #lines and #bytes are now aliases to
  #each_line and #each_byte, respectively.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@16000 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Mon Apr 14 13:42:20 2008  Akinori MUSHA  <knu@iDaemons.org>
+
+	* string.c (rb_str_each_line, rb_str_each_byte): Reflect
+	  enumerator integration.  #lines and #bytes are now aliases to
+	  #each_line and #each_byte, respectively.
+
 Mon Apr 14 13:19:36 2008  Akinori MUSHA  <knu@iDaemons.org>
 
 	* range.c (range_each, range_step): Return an enumerator if no

string.c

@@ -3670,6 +3670,19 @@ rb_f_split(argc, argv)
     return rb_str_split_m(argc, argv, uscore_get());
 }
 
+/*
+ *  Document-method: lines
+ *  call-seq:
+ *     str.lines(separator=$/)   => anEnumerator
+ *     str.lines(separator=$/) {|substr| block }        => str
+ *  
+ *  Returns an enumerator that gives each line in the string.  If a block is
+ *  given, it iterates over each line in the string.
+ *     
+ *     "foo\nbar\n".lines.to_a   #=> ["foo\n", "bar\n"]
+ *     "foo\nb ar".lines.sort    #=> ["b ar", "foo\n"]
+ */
+
 /*
  *  call-seq:
  *     str.each(separator=$/) {|substr| block }        => str
@@ -3719,7 +3732,7 @@ rb_str_each_line(argc, argv, str)
     if (rb_scan_args(argc, argv, "01", &rs) == 0) {
 	rs = rb_rs;
     }
-
+    RETURN_ENUMERATOR(str, argc, argv);
     if (NIL_P(rs)) {
 	rb_yield(str);
 	return str;
@@ -3760,6 +3773,18 @@ rb_str_each_line(argc, argv, str)
 }
 
 
+/*
+ *  Document-method: bytes
+ *  call-seq:
+ *     str.bytes   => anEnumerator
+ *     str.bytes {|fixnum| block }    => str
+ *  
+ *  Returns an enumerator that gives each byte in the string.  If a block is
+ *  given, it iterates over each byte in the string.
+ *     
+ *     "hello".bytes.to_a        #=> [104, 101, 108, 108, 111]
+ */
+
 /*
  *  call-seq:
  *     str.each_byte {|fixnum| block }    => str
@@ -3779,6 +3804,7 @@ rb_str_each_byte(str)
 {
     long i;
 
+    RETURN_ENUMERATOR(str, 0, 0);
     for (i=0; i<RSTRING(str)->len; i++) {
 	rb_yield(INT2FIX(RSTRING(str)->ptr[i] & 0xff));
     }
@@ -3786,97 +3812,6 @@ rb_str_each_byte(str)
 }
 
 
-static VALUE str_enumerator _((VALUE, VALUE, int, VALUE *));
-static VALUE
-str_enumerator(str, sym, argc, argv)
-    VALUE str, sym;
-    int argc;
-    VALUE *argv;
-{
-    static VALUE enumerator;
-    static ID new;
-    int nargc;
-    VALUE *nargv, result;
-    volatile VALUE args;
-
-    if (!enumerator) {
-	rb_require("enumerator");
-	enumerator = rb_path2class("Enumerable::Enumerator");
-	new = rb_intern("new");
-    }
-    args = rb_ary_new2(nargc = argc + 2);
-    RBASIC(args)->klass = 0;
-    nargv = RARRAY_PTR(args);
-    nargv[0] = str;
-    nargv[1] = sym;
-    MEMCPY(nargv + 2, argv, VALUE, argc);
-    result = rb_funcall2(enumerator, new, nargc, nargv);
-    rb_ary_clear(args);
-    return result;
-}
-
-
-/*
- *  Document-method: lines
- *  call-seq:
- *     str.lines(separator=$/)   => anEnumerator
- *     str.lines(separator=$/) {|substr| block }        => str
- *  
- *  Returns an enumerator that gives each line in the string.  If a block is
- *  given, it iterates over each line in the string.
- *     
- *     "foo\nbar\n".lines.to_a   #=> ["foo\n", "bar\n"]
- *     "foo\nb ar".lines.sort    #=> ["b ar", "foo\n"]
- */
-
-static VALUE
-rb_str_lines(argc, argv, str)
-    int argc;
-    VALUE *argv;
-    VALUE str;
-{
-    if (rb_block_given_p()) {
-	return rb_str_each_line(argc, argv, str);
-    }
-    else {
-	static VALUE each_line;
-
-	if (!each_line) each_line = ID2SYM(rb_intern("each_line"));
-	return str_enumerator(str, each_line, argc, argv);
-    }
-}
-
-
-/*
- *  Document-method: bytes
- *  call-seq:
- *     str.bytes   => anEnumerator
- *     str.bytes {|fixnum| block }    => str
- *  
- *  Returns an enumerator that gives each byte in the string.  If a block is
- *  given, it iterates over each byte in the string.
- *     
- *     "hello".bytes.to_a        #=> [104, 101, 108, 108, 111]
- */
-
-static VALUE
-rb_str_bytes(argc, argv, str)
-    int argc;
-    VALUE *argv;
-    VALUE str;
-{
-    if (rb_block_given_p()) {
-	return rb_str_each_byte(argc, argv, str);
-    }
-    else {
-	static VALUE each_byte;
-
-	if (!each_byte) each_byte = ID2SYM(rb_intern("each_byte"));
-	return str_enumerator(str, each_byte, argc, argv);
-    }
-}
-
-
 /*
  *  call-seq:
  *     str.chop!   => str or nil
@@ -5016,8 +4951,8 @@ Init_String()
     rb_define_method(rb_cString, "each",      rb_str_each_line, -1);
     rb_define_method(rb_cString, "each_byte", rb_str_each_byte, 0);
 
-    rb_define_method(rb_cString, "lines", rb_str_lines, -1);
+    rb_define_method(rb_cString, "lines", rb_str_each_line, -1);
-    rb_define_method(rb_cString, "bytes", rb_str_bytes, -1);
+    rb_define_method(rb_cString, "bytes", rb_str_each_byte, 0);
 
     rb_define_method(rb_cString, "sum", rb_str_sum, -1);