nitcatalog: adapt to new loader API

[nit.git] / lib / md5.nit

diff --git a/lib/md5.nit b/lib/md5.nit
index 63cb639..3fee2f8 100644 (file)
--- a/lib/md5.nit
+++ b/lib/md5.nit
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Implements the md5 function in C
+# Native MD5 digest implementation as `Text::md5`
 module md5
 
 in "C Header" `{
@@ -489,26 +489,32 @@ in "C Header" `{
        }
 `}
 
-redef class String
-       # returns the md5 digest of the receiver string
-       # algorithm implemented by L. Peter Deutsch <ghost@aladdin.com>
-       fun md5: String import String::to_cstring, NativeString::to_s, String::print `{
+redef class Text
+       # MD5 digest of `self`
+       #
+       # ~~~
+       # assert "".md5 == "d41d8cd98f00b204e9800998ecf8427e"
+       # assert "a".md5 == "0cc175b9c0f1b6a831c399e269772661"
+       # assert "abc".md5 == "900150983cd24fb0d6963f7d28e17f72"
+       # ~~~
+       fun md5: String do return to_cstring.native_md5.to_s
+end
+
+redef class NativeString
+       private fun native_md5: NativeString `{
                md5_state_t state;
                md5_byte_t digest[16]; /* result */
                char *hex_output = malloc(33*sizeof(char));
                int di;
-               char *in_text;
-
-               in_text = String_to_cstring(recv);
 
                md5_init(&state);
-               md5_append(&state, (const md5_byte_t *)in_text, strlen(in_text));
+               md5_append(&state, (const md5_byte_t *)self, strlen(self));
                md5_finish(&state, digest);
 
                for (di = 0; di < 16; ++di)
                        sprintf(hex_output + di * 2, "%02x", digest[di]);
                hex_output[32] = '\0';
 
-               return NativeString_to_s(hex_output);
+               return hex_output;
        `}
 end