Add mammoth.readEmbeddedStyleMap

2 files changed, 21 insertions, 2 deletions

diff --git a/lib/index.js b/lib/index.js
index a07b409..5613312 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -14,6 +14,7 @@ exports.images = require("./images");
 exports.transforms = require("./transforms");
 exports.underline = require("./underline");
 exports.embedStyleMap = embedStyleMap;
+exports.readEmbeddedStyleMap = readEmbeddedStyleMap;
 
 function convertToHtml(input, options) {
     return convert(input, options);
@@ -46,7 +47,11 @@ function convert(input, options) {
                     return convertDocumentToHtml(documentResult, fullOptions);
                 });
         });
-        
+}
+
+function readEmbeddedStyleMap(input) {
+    return unzip.openZip(input)
+        .then(docxStyleMap.readStyleMap);
 }
 
 function convertDocumentToHtml(documentResult, options) {
diff --git a/tests/mammoth.tests.js b/tests/mammoth.tests.js
index 10ba228..b7f4766 100644
--- a/tests/mammoth.tests.js
+++ b/tests/mammoth.tests.js
@@ -81,7 +81,7 @@ describe('mammoth', function() {
         });
     });
     
-    test('embedded style is used if present', function() {
+    test('embedded style map is used if present', function() {
         var docxPath = path.join(__dirname, "test-data/single-paragraph.docx");
         return promises.nfcall(fs.readFile, docxPath)
             .then(function(buffer) {
@@ -96,6 +96,20 @@ describe('mammoth', function() {
             });
     });
     
+    test('embedded style map can be retrieved', function() {
+        var docxPath = path.join(__dirname, "test-data/single-paragraph.docx");
+        return promises.nfcall(fs.readFile, docxPath)
+            .then(function(buffer) {
+                return mammoth.embedStyleMap({buffer: buffer}, "p => h1");
+            })
+            .then(function(docx) {
+                return mammoth.readEmbeddedStyleMap({buffer: docx.toBuffer()});
+            })
+            .then(function(styleMap) {
+                assert.equal(styleMap, "p => h1");
+            });
+    });
+    
     test('warning if style mapping is not understood', function() {
         var docxPath = path.join(__dirname, "test-data/single-paragraph.docx");
         var options = {