From 2125aafc273147f183925556f1ee28b6568fd512 Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 13 Oct 2006 11:46:03 +0000
Subject: * ext/digest/bubblebabble, ext/digest/digest.c: Rip BubbleBabble  
 support out of the base class and have a separate module named  
 digest/bubblebabble.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/digest/digest.c | 76 -----------------------------------------------------
 1 file changed, 76 deletions(-)

(limited to 'ext/digest/digest.c')

diff --git a/ext/digest/digest.c b/ext/digest/digest.c
index 4c7cac1cec..8fa3c08dbf 100644
--- a/ext/digest/digest.c
+++ b/ext/digest/digest.c
@@ -72,68 +72,6 @@ hexdigest_str_new(VALUE str_digest)
     return str;
 }
 
-static VALUE
-bubblebabble_str_new(VALUE str_digest)
-{
-    char *digest;
-    size_t digest_len;
-    VALUE str;
-    char *p;
-    int i, j, seed = 1;
-    static const char vowels[] = {
-        'a', 'e', 'i', 'o', 'u', 'y'
-    };
-    static const char consonants[] = {
-        'b', 'c', 'd', 'f', 'g', 'h', 'k', 'l', 'm', 'n',
-        'p', 'r', 's', 't', 'v', 'z', 'x'
-    };
-
-    StringValue(str_digest);
-    digest = RSTRING_PTR(str_digest);
-    digest_len = RSTRING_LEN(str_digest);
-
-    if ((LONG_MAX - 2) / 3 < (digest_len | 1)) {
-	rb_raise(rb_eRuntimeError, "digest string too long");
-    }
-
-    str = rb_str_new(0, (digest_len | 1) * 3 + 2);
-    p = RSTRING_PTR(str);
-
-    i = j = 0;
-    p[j++] = 'x';
-
-    for (;;) {
-        unsigned char byte1, byte2;
-
-        if (i >= digest_len) {
-            p[j++] = vowels[seed % 6];
-            p[j++] = consonants[16];
-            p[j++] = vowels[seed / 6];
-            break;
-        } 
-
-        byte1 = digest[i++];
-        p[j++] = vowels[(((byte1 >> 6) & 3) + seed) % 6];
-        p[j++] = consonants[(byte1 >> 2) & 15];
-        p[j++] = vowels[((byte1 & 3) + (seed / 6)) % 6];
-
-        if (i >= digest_len) {
-            break;
-        }
-
-        byte2 = digest[i++];
-        p[j++] = consonants[(byte2 >> 4) & 15];
-        p[j++] = '-';
-        p[j++] = consonants[byte2 & 15];
-
-        seed = (seed * 5 + byte1 * 7 + byte2) % 36;
-    }
-
-    p[j] = 'x';
-
-    return str;
-}
-
 static VALUE
 rb_digest_base_alloc(VALUE klass)
 {
@@ -190,12 +128,6 @@ rb_digest_base_s_hexdigest(VALUE klass, VALUE str)
     return hexdigest_str_new(rb_funcall(klass, id_digest, 1, str));
 }
 
-static VALUE
-rb_digest_base_s_bubblebabble(VALUE klass, VALUE str)
-{
-    return bubblebabble_str_new(rb_funcall(klass, id_digest, 1, str));
-}
-
 static VALUE
 rb_digest_base_copy(VALUE copy, VALUE obj)
 {
@@ -334,12 +266,6 @@ rb_digest_base_hexdigest(VALUE self)
     return hexdigest_str_new(rb_funcall(self, id_digest, 0));
 }
 
-static VALUE
-rb_digest_base_bubblebabble(VALUE self)
-{
-    return bubblebabble_str_new(rb_funcall(self, id_digest, 0));
-}
-
 static VALUE
 rb_digest_base_inspect(VALUE self)
 {
@@ -425,7 +351,6 @@ Init_digest(void)
     rb_define_alloc_func(cDigest_Base, rb_digest_base_alloc);
     rb_define_singleton_method(cDigest_Base, "digest", rb_digest_base_s_digest, 1);
     rb_define_singleton_method(cDigest_Base, "hexdigest", rb_digest_base_s_hexdigest, 1);
-    rb_define_singleton_method(cDigest_Base, "bubblebabble", rb_digest_base_s_bubblebabble, 1);
 
     rb_define_method(cDigest_Base, "initialize", rb_digest_base_init, -1);
     rb_define_method(cDigest_Base, "initialize_copy",  rb_digest_base_copy, 1);
@@ -434,7 +359,6 @@ Init_digest(void)
     rb_define_method(cDigest_Base, "<<", rb_digest_base_lshift, 1);
     rb_define_method(cDigest_Base, "digest", rb_digest_base_digest, 0);
     rb_define_method(cDigest_Base, "hexdigest", rb_digest_base_hexdigest, 0);
-    rb_define_method(cDigest_Base, "bubblebabble", rb_digest_base_bubblebabble, 0);
     rb_define_method(cDigest_Base, "to_s", rb_digest_base_hexdigest, 0);
     rb_define_method(cDigest_Base, "inspect", rb_digest_base_inspect, 0);
     rb_define_method(cDigest_Base, "==", rb_digest_base_equal, 1);
-- 
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