From df90308b0e40817b38273102f30a6ccc4f240809 Mon Sep 17 00:00:00 2001
From: rlskoeser <rebecca.s.koeser@emory.edu>
Date: Mon, 18 Aug 2014 14:10:36 -0400
Subject: [PATCH 1/4] use getElementsByTagNameNS for namespaced DZI xml when
 getElementsByTagName fails

---
 src/dzitilesource.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/dzitilesource.js b/src/dzitilesource.js
index f5b75d69..1becfa4a 100644
--- a/src/dzitilesource.js
+++ b/src/dzitilesource.js
@@ -222,6 +222,7 @@ function configureFromXML( tileSource, xmlDoc ){
 
     var root           = xmlDoc.documentElement,
         rootName       = root.localName,
+        ns             = xmlDoc.documentElement.namespaceURI,
         configuration  = null,
         displayRects   = [],
         dispRectNodes,
@@ -234,6 +235,11 @@ function configureFromXML( tileSource, xmlDoc ){
 
         try {
             sizeNode = root.getElementsByTagName( "Size" )[ 0 ];
+            // if finding by tag name failed, attempt to find with namespace
+            if (sizeNode === undefined) {
+                sizeNode = root.getElementsByTagNameNS(ns, "Size" )[ 0 ];
+            }
+
             configuration = {
                 Image: {
                     xmlns:       "http://schemas.microsoft.com/deepzoom/2008",
@@ -256,9 +262,15 @@ function configureFromXML( tileSource, xmlDoc ){
             }
 
             dispRectNodes = root.getElementsByTagName( "DisplayRect" );
+            if (dispRectNodes === undefined) {
+                dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" )[ 0 ];
+            }
             for ( i = 0; i < dispRectNodes.length; i++ ) {
                 dispRectNode = dispRectNodes[ i ];
                 rectNode     = dispRectNode.getElementsByTagName( "Rect" )[ 0 ];
+                if (rectNode === undefined) {
+                    rectNode = dispRectNode.getElementsByTagNameNS(ns, "Rect" )[ 0 ];
+                }
 
                 displayRects.push({
                     Rect: {

From 0d92737ff29e8b25d03c18820647e4b6ab265bc2 Mon Sep 17 00:00:00 2001
From: rlskoeser <rebecca.s.koeser@emory.edu>
Date: Mon, 18 Aug 2014 14:17:37 -0400
Subject: [PATCH 2/4] check length instead of undefined for DisplayRect nodes
 tagname ns fallback

---
 src/dzitilesource.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dzitilesource.js b/src/dzitilesource.js
index 1becfa4a..8bb82406 100644
--- a/src/dzitilesource.js
+++ b/src/dzitilesource.js
@@ -262,7 +262,7 @@ function configureFromXML( tileSource, xmlDoc ){
             }
 
             dispRectNodes = root.getElementsByTagName( "DisplayRect" );
-            if (dispRectNodes === undefined) {
+            if (dispRectNodes.length === 0) {
                 dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" )[ 0 ];
             }
             for ( i = 0; i < dispRectNodes.length; i++ ) {

From 343f9ed3674887f4362768cbe92dec32eb43a790 Mon Sep 17 00:00:00 2001
From: rlskoeser <rebecca.s.koeser@emory.edu>
Date: Mon, 18 Aug 2014 14:37:37 -0400
Subject: [PATCH 3/4] correct typo in fallback ns logic for pulling display
 rect nodes

---
 src/dzitilesource.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dzitilesource.js b/src/dzitilesource.js
index 8bb82406..cc5fc5e1 100644
--- a/src/dzitilesource.js
+++ b/src/dzitilesource.js
@@ -263,7 +263,7 @@ function configureFromXML( tileSource, xmlDoc ){
 
             dispRectNodes = root.getElementsByTagName( "DisplayRect" );
             if (dispRectNodes.length === 0) {
-                dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" )[ 0 ];
+                dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" );
             }
             for ( i = 0; i < dispRectNodes.length; i++ ) {
                 dispRectNode = dispRectNodes[ i ];

From fd0d8d4507beff74bcb3d0634940045a1f9bb943 Mon Sep 17 00:00:00 2001
From: rlskoeser <rebecca.s.koeser@emory.edu>
Date: Tue, 19 Aug 2014 13:47:51 -0400
Subject: [PATCH 4/4] always use getElementsByTagNameNS since it will work for
 DZI xml with or without ns prefix

---
 src/dzitilesource.js | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/src/dzitilesource.js b/src/dzitilesource.js
index cc5fc5e1..eb283fab 100644
--- a/src/dzitilesource.js
+++ b/src/dzitilesource.js
@@ -234,11 +234,7 @@ function configureFromXML( tileSource, xmlDoc ){
     if ( rootName == "Image" ) {
 
         try {
-            sizeNode = root.getElementsByTagName( "Size" )[ 0 ];
-            // if finding by tag name failed, attempt to find with namespace
-            if (sizeNode === undefined) {
-                sizeNode = root.getElementsByTagNameNS(ns, "Size" )[ 0 ];
-            }
+            sizeNode = root.getElementsByTagNameNS(ns, "Size" )[ 0 ];
 
             configuration = {
                 Image: {
@@ -261,16 +257,11 @@ function configureFromXML( tileSource, xmlDoc ){
                 );
             }
 
-            dispRectNodes = root.getElementsByTagName( "DisplayRect" );
-            if (dispRectNodes.length === 0) {
-                dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" );
-            }
+            dispRectNodes = root.getElementsByTagNameNS(ns, "DisplayRect" );
+
             for ( i = 0; i < dispRectNodes.length; i++ ) {
                 dispRectNode = dispRectNodes[ i ];
-                rectNode     = dispRectNode.getElementsByTagName( "Rect" )[ 0 ];
-                if (rectNode === undefined) {
-                    rectNode = dispRectNode.getElementsByTagNameNS(ns, "Rect" )[ 0 ];
-                }
+                rectNode     = dispRectNode.getElementsByTagNameNS(ns, "Rect" )[ 0 ];
 
                 displayRects.push({
                     Rect: {