From cd9f5a1eeeeb423523940d652a4a8957be984b4a Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Oct 2008 08:03:08 +0000
Subject: * ext/json/lib/json/pure/generator.rb (utf8_to_json):   process each
 unpacked Unicode character.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19714 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/json/lib/json/pure/generator.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'ext')

diff --git a/ext/json/lib/json/pure/generator.rb b/ext/json/lib/json/pure/generator.rb
index abc24bf72d..9c7cfac0a2 100644
--- a/ext/json/lib/json/pure/generator.rb
+++ b/ext/json/lib/json/pure/generator.rb
@@ -51,8 +51,9 @@ module JSON
                     [\x80-\xc1\xf5-\xff]       # invalid
                   )/nx) { |c|
       c.size == 1 and raise GeneratorError, "invalid utf8 byte: '#{c}'"
-      c = c.unpack("U*")[0]
-      c > 0xFFFF ? ('\ud%03x\ud%03x' % [0x7C0+c/1024, 0xC00+c%1024]) : ('\u%04x'%c)
+      c.unpack("U*").map{|c|
+        c>0xFFFF ? ('\ud%03x\ud%03x'%[0x7C0+c/1024,0xC00+c%1024]) : ('\u%04x'%c)
+      }.join("")
     }
     string
   end
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