Follow w:numStyleLink in w:abstractNum

1 files changed, 19 insertions, 8 deletions

diff --git a/lib/docx/numbering-xml.js b/lib/docx/numbering-xml.js
index 028bf01..90e479e 100644
--- a/lib/docx/numbering-xml.js
+++ b/lib/docx/numbering-xml.js
@@ -2,16 +2,24 @@ exports.readNumberingXml = readNumberingXml;
 exports.Numbering = Numbering;
 exports.defaultNumbering = new Numbering({});
 
-function Numbering(nums, abstractNums) {
-    return {
-        findLevel: function(numId, level) {
-            var num = nums[numId];
-            if (num) {
+function Numbering(nums, abstractNums, styles) {
+    function findLevel(numId, level) {
+        var num = nums[numId];
+        if (num) {
+            var abstractNum = abstractNums[num.abstractNumId];
+            if (abstractNum.numStyleLink == null) {
                 return abstractNums[num.abstractNumId].levels[level];
             } else {
-                return null;
+                var style = styles.findNumberingStyleById(abstractNum.numStyleLink);
+                return findLevel(style.numId, level);
             }
+        } else {
+            return null;
         }
+    }
+
+    return {
+        findLevel: findLevel
     };
 }
 
@@ -22,7 +30,7 @@ function readNumberingXml(root, options) {
 
     var abstractNums = readAbstractNums(root);
     var nums = readNums(root, abstractNums);
-    return new Numbering(nums, abstractNums);
+    return new Numbering(nums, abstractNums, options.styles);
 }
 
 function readAbstractNums(root) {
@@ -44,7 +52,10 @@ function readAbstractNum(element) {
             level: levelIndex
         };
     });
-    return {levels: levels};
+
+    var numStyleLink = element.firstOrEmpty("w:numStyleLink").attributes["w:val"];
+
+    return {levels: levels, numStyleLink: numStyleLink};
 }
 
 function readNums(root) {