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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-05 03:29:08 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-05 03:29:08 +0000 |
commit | 9373c5efb993dd8cae0526118805449b19af2c22 (patch) | |
tree | 503c05d65e51b27e31bc0dc40e7de44571fb5099 /ext/pathname | |
parent | 19e59705f837f621a7266d6c3d8a9a54bed534bf (diff) | |
download | ruby-9373c5efb993dd8cae0526118805449b19af2c22.tar.gz |
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/pathname')
-rw-r--r-- | ext/pathname/pathname.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c index 5987ccf462..e617e82176 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); |