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* ext/pathname/pathname.c (path_cmp): Pathname#<=> translated

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from pathname.rb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2010-07-29 13:29:20 +00:00
parent 8d228b2579
commit 3608baa990
3 changed files with 43 additions and 6 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Thu Jul 29 22:28:35 2010 Tanaka Akira <akr@fsij.org>
* ext/pathname/pathname.c (path_cmp): Pathname#<=> translated
from pathname.rb.
Thu Jul 29 06:51:30 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* common.mk (EXT_SRCS): add ext/json/parser/parser.c.

6
ext/pathname/lib/pathname.rb
View file

@ -208,12 +208,6 @@ class Pathname
# :startdoc:
# Provides for comparing pathnames, case-sensitively.
def <=>(other)
return nil unless Pathname === other
@path.tr('/', "\0") <=> other.to_s.tr('/', "\0")
end
def hash # :nodoc:
@path.hash
end

38
ext/pathname/pathname.c
View file

@ -82,6 +82,43 @@ path_eq(VALUE self, VALUE other)
return rb_str_equal(get_strpath(self), get_strpath(other));
}
/*
* Provides for comparing pathnames, case-sensitively.
*/
static VALUE
path_cmp(VALUE self, VALUE other)
{
VALUE s1, s2;
char *p1, *p2;
char *e1, *e2;
if (!rb_obj_is_kind_of(other, rb_cPathname))
return Qnil;
s1 = get_strpath(self);
s2 = get_strpath(other);
p1 = RSTRING_PTR(s1);
p2 = RSTRING_PTR(s2);
e1 = p1 + RSTRING_LEN(s1);
e2 = p2 + RSTRING_LEN(s2);
while (p1 < e1 && p2 < e2) {
int c1, c2;
c1 = (unsigned char)*p1++;
c2 = (unsigned char)*p2++;
if (c1 == '/') c1 = '\0';
if (c2 == '/') c2 = '\0';
if (c1 != c2) {
if (c1 < c2)
return INT2FIX(-1);
else
return INT2FIX(1);
}
}
if (p1 < e1)
return INT2FIX(1);
if (p2 < e2)
return INT2FIX(-1);
return INT2FIX(0);
}
void
Init_pathname()
{
@ -96,4 +133,5 @@ Init_pathname()
rb_define_method(rb_cPathname, "==", path_eq, 1);
rb_define_method(rb_cPathname, "===", path_eq, 1);
rb_define_method(rb_cPathname, "eql?", path_eq, 1);
rb_define_method(rb_cPathname, "<=>", path_cmp, 1);
}