Move relationship reading into separate module

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/relationships-reader.js b/lib/relationships-reader.js
new file mode 100644
index 0000000..fe6c7f1
--- /dev/null
+++ b/lib/relationships-reader.js
@@ -0,0 +1,25 @@
+var readXmlFromZipFile = require("./office-xml-reader").readXmlFromZipFile;
+
+
+exports.readRelationshipsFromZipFile = readRelationshipsFromZipFile;
+
+
+function readRelationshipsFromZipFile(file) {
+    return readXmlFromZipFile(file, "word/_rels/document.xml.rels")
+        .then(function(relationshipsXml) {
+            return relationshipsXml ? readRelationships(relationshipsXml) : {};
+        });
+}
+
+
+function readRelationships(relationshipsXml) {
+    var relationships = {};
+    relationshipsXml.root.children.forEach(function(child) {
+        if (child.name === "{http://schemas.openxmlformats.org/package/2006/relationships}:Relationship") {
+            relationships[child.attributes.Id] = {
+                target: child.attributes.Target
+            };
+        }
+    });
+    return relationships;
+}