From 637066f6260c71dda3c94970616e673c44ab11ca Mon Sep 17 00:00:00 2001
From: Jairo de Morais <jairodemorais@gmail.com>
Date: Thu, 28 Jun 2012 13:01:39 -0300
Subject: [PATCH] fix issue https://github.com/linkedin/dustjs/issues/68

---
 dist/dust-core-0.6.0.js            | 19 +++++++++++++++----
 dist/dust-full-0.6.0.js            | 25 +++++++++++++++++++++----
 lib/parser.js                      |  6 ++++++
 src/dust.pegjs                     |  2 +-
 test/jasmine-test/spec/examples.js |  7 +++++++
 5 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/dist/dust-core-0.6.0.js b/dist/dust-core-0.6.0.js
index dec1ebaf..a1ccd38d 100644
--- a/dist/dust-core-0.6.0.js
+++ b/dist/dust-core-0.6.0.js
@@ -541,6 +541,16 @@ if (typeof exports !== "undefined") {
 }
 (function(dust){
 
+/* make a safe version of console if it is not available
+ * currently supporting:
+ *   _console.log 
+ * */
+var _console = (typeof console !== 'undefined')? console: {
+  log: function(){
+     /* a noop*/
+   }
+};
+
 function isSelect(context) {
   var value = context.current();
   return typeof value === "object" && value.isSelect === true;    
@@ -600,7 +610,10 @@ var helpers = {
   idx: function(chunk, context, bodies) {
     return bodies.block(chunk, context.push(context.stack.index));
   },
-
+  contextDump: function(chunk, context, bodies) {
+    _console.log(JSON.stringify(context.stack));
+    return chunk;
+  },
   "if": function( chunk, context, bodies, params ){
     if( params && params.cond ){
       var cond = params.cond;
@@ -626,9 +639,7 @@ var helpers = {
     }
     // no condition
     else {
-      if( typeof window !== 'undefined' && window.console ){
-        window.console.log( "No expression given!" );
-      }
+      _console.log( "No expression given!" );
     }
     return chunk;
   },
diff --git a/dist/dust-full-0.6.0.js b/dist/dust-full-0.6.0.js
index 94c7f0ba..dc33f63a 100644
--- a/dist/dust-full-0.6.0.js
+++ b/dist/dust-full-0.6.0.js
@@ -541,6 +541,16 @@ if (typeof exports !== "undefined") {
 }
 (function(dust){
 
+/* make a safe version of console if it is not available
+ * currently supporting:
+ *   _console.log 
+ * */
+var _console = (typeof console !== 'undefined')? console: {
+  log: function(){
+     /* a noop*/
+   }
+};
+
 function isSelect(context) {
   var value = context.current();
   return typeof value === "object" && value.isSelect === true;    
@@ -600,7 +610,10 @@ var helpers = {
   idx: function(chunk, context, bodies) {
     return bodies.block(chunk, context.push(context.stack.index));
   },
-
+  contextDump: function(chunk, context, bodies) {
+    _console.log(JSON.stringify(context.stack));
+    return chunk;
+  },
   "if": function( chunk, context, bodies, params ){
     if( params && params.cond ){
       var cond = params.cond;
@@ -626,9 +639,7 @@ var helpers = {
     }
     // no condition
     else {
-      if( typeof window !== 'undefined' && window.console ){
-        window.console.log( "No expression given!" );
-      }
+      _console.log( "No expression given!" );
     }
     return chunk;
   },
@@ -2187,11 +2198,17 @@ var parser = (function(){
         result0 = result0 !== null ? result0 : "";
         if (result0 !== null) {
           result2 = parse_nestedKey();
+          if (result2 === null) {
+            result2 = parse_array();
+          }
           if (result2 !== null) {
             result1 = [];
             while (result2 !== null) {
               result1.push(result2);
               result2 = parse_nestedKey();
+              if (result2 === null) {
+                result2 = parse_array();
+              }
             }
           } else {
             result1 = null;
diff --git a/lib/parser.js b/lib/parser.js
index 6d3db72b..ae9feb15 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -1193,11 +1193,17 @@ var parser = (function(){
         result0 = result0 !== null ? result0 : "";
         if (result0 !== null) {
           result2 = parse_nestedKey();
+          if (result2 === null) {
+            result2 = parse_array();
+          }
           if (result2 !== null) {
             result1 = [];
             while (result2 !== null) {
               result1.push(result2);
               result2 = parse_nestedKey();
+              if (result2 === null) {
+                result2 = parse_array();
+              }
             }
           } else {
             result1 = null;
diff --git a/src/dust.pegjs b/src/dust.pegjs
index a380975f..863bc715 100644
--- a/src/dust.pegjs
+++ b/src/dust.pegjs
@@ -121,7 +121,7 @@ integer "integer"
    Match anything that match with key plus one or more characters that match with key again but preceded by a dot "." 
 ---------------------------------------------------------------------------------------------------------------------------------------*/
 path "path"
-  = k:key? d:(nestedKey)+ {
+  = k:key? d:(nestedKey / array)+ {
     d = d[0]; 
     if (k && d) {
       d.unshift(k);
diff --git a/test/jasmine-test/spec/examples.js b/test/jasmine-test/spec/examples.js
index e1042d80..5a818412 100644
--- a/test/jasmine-test/spec/examples.js
+++ b/test/jasmine-test/spec/examples.js
@@ -505,6 +505,13 @@ var dustExamples = [
     expected: "hello!",
     message: "should return a specific array element by index. Most Complex case, the array contains nested objects."
   },
+  {
+    name:     "Accessing array by index",
+    source:   '{do[0]}',  
+    context:  { "do": ["lala", "lele"] },
+    expected: "lala",
+    message: "should return a specific array element by index. Root context object as array."
+  },
   {
     name:     "params: integer",
     source:   "{#helper foo=10 /}",