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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-11-05 03:29:08 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-11-05 03:29:08 +0000
commit9373c5efb993dd8cae0526118805449b19af2c22 (patch)
tree503c05d65e51b27e31bc0dc40e7de44571fb5099 /ext
parent19e59705f837f621a7266d6c3d8a9a54bed534bf (diff)
Pathname#empty? implemented.
* ext/pathname/pathname.c (Pathname#empty?): New method. [ruby-core:76404] [Feature#12596] Proposed by John Backus. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56571 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r--ext/pathname/pathname.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c
index 5987ccf..e617e82 100644
--- a/ext/pathname/pathname.c
+++ b/ext/pathname/pathname.c
@@ -990,6 +990,22 @@ path_zero_p(VALUE self)
return rb_funcall(rb_mFileTest, rb_intern("zero?"), 1, get_strpath(self));
}
+/*
+ * Tests the file is empty.
+ *
+ * See Dir#empty? and FileTest.empty?.
+ */
+static VALUE
+path_empty_p(VALUE self)
+{
+
+ VALUE path = get_strpath(self);
+ if (RTEST(rb_funcall(rb_mFileTest, rb_intern("directory?"), 1, path)))
+ return rb_funcall(rb_cDir, rb_intern("empty?"), 1, path);
+ else
+ return rb_funcall(rb_mFileTest, rb_intern("empty?"), 1, path);
+}
+
static VALUE
glob_i(RB_BLOCK_CALL_FUNC_ARGLIST(elt, klass))
{
@@ -1452,6 +1468,7 @@ Init_pathname(void)
rb_define_method(rb_cPathname, "world_writable?", path_world_writable_p, 0);
rb_define_method(rb_cPathname, "writable_real?", path_writable_real_p, 0);
rb_define_method(rb_cPathname, "zero?", path_zero_p, 0);
+ rb_define_method(rb_cPathname, "empty?", path_empty_p, 0);
rb_define_singleton_method(rb_cPathname, "glob", path_s_glob, -1);
rb_define_singleton_method(rb_cPathname, "getwd", path_s_getwd, 0);
rb_define_singleton_method(rb_cPathname, "pwd", path_s_getwd, 0);