From 4e47ead54edccc56e241b921f6ac4f112786c65d Mon Sep 17 00:00:00 2001
From: Aman Gupta <aman@tmm1.net>
Date: Sun, 11 May 2008 01:33:49 -0700
Subject: [PATCH] jQuery.print: keep track of seen objects to prevent infinite
 recursion; truncate strings inside objcts

---
 lib/jquery.print.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/jquery.print.js b/lib/jquery.print.js
index 83bc8fd..45ca6ff 100644
--- a/lib/jquery.print.js
+++ b/lib/jquery.print.js
@@ -3,8 +3,8 @@
   // helper functions
 
   function print_array(obj, opts){
-    var max = obj.length > opts.maxArray ? opts.maxArray : obj.length
     opts.maxString = 25
+    var max = obj.length > opts.maxArray ? opts.maxArray : obj.length
 
     var result = [];
     for (var i = 0; i < max; i++) {
@@ -25,10 +25,16 @@
            ">"
   }
 
-  function print_object(obj){
+  function print_object(obj, opts){
+    opts.maxString = 25
+    if (!opts.seen) opts.seen = []
+
     var result = []
     for (var k in obj) {
-      result.push(k + ": " + $.print(obj[k]))
+      if (opts.seen.indexOf(obj[k]) == -1) {
+        opts.seen.push(obj[k])
+        result.push(k + ": " + $.print(obj[k], opts))
+      }
     }
 
     if (result.length == 0) return "{}"
@@ -107,7 +113,7 @@
       return print_jquery(obj)
 
     else if (obj instanceof Object)
-      return print_object(obj)
+      return print_object(obj, opts)
 
     else
       return obj.toString().replace(/\n\s*/g, '')