Convert hyperlinks with anchors to HTML

2 files changed, 15 insertions, 2 deletions

diff --git a/mammoth/conversion.py b/mammoth/conversion.py
index 2932351..c17ef9f 100644
--- a/mammoth/conversion.py
+++ b/mammoth/conversion.py
@@ -103,7 +103,11 @@ class DocumentConverter(object):
     
     
     def _convert_hyperlink(self, hyperlink, html_generator):
-        html_generator.start("a", {"href": hyperlink.href})
+        if hyperlink.anchor is None:
+            href = hyperlink.href
+        else:
+            href = "#{0}-{1}".format(self._id_prefix, hyperlink.anchor)
+        html_generator.start("a", {"href": href})
         self._convert_elements_to_html(hyperlink.children, html_generator)
         html_generator.end()
     
diff --git a/tests/conversion_tests.py b/tests/conversion_tests.py
index 78fbce5..ced1d9e 100644
--- a/tests/conversion_tests.py
+++ b/tests/conversion_tests.py
@@ -201,7 +201,7 @@ def runs_are_converted_by_satisfying_matching_paths():
 
 
 @istest
-def docx_hyperlink_is_converted_to_anchor_tag():
+def docx_hyperlink_with_href_is_converted_to_anchor_tag():
     result = convert_document_element_to_html(
         documents.hyperlink(href="http://example.com", children=[documents.Text("Hello")]),
     )
@@ -209,6 +209,15 @@ def docx_hyperlink_is_converted_to_anchor_tag():
 
 
 @istest
+def docx_hyperlink_with_internal_anchor_reference_is_converted_to_anchor_tag():
+    result = convert_document_element_to_html(
+        documents.hyperlink(anchor="start", children=[documents.Text("Hello")]),
+        id_prefix="doc-42",
+    )
+    assert_equal('<a href="#doc-42-start">Hello</a>', result.value)
+
+
+@istest
 def docx_tab_is_converted_to_tab_in_html():
     result = convert_document_element_to_html(documents.tab())
     assert_equal('\t', result.value)