EPUB export: handle footnotes

Stringly speaking just linking from the main text to the footnote
content would be enough from an EPUB point of view, but let's do the
other direction as well, since Writer provides that.

Change-Id: Iba366ef11a8375347d57a650c57baf8e8002e820
Reviewed-on: https://gerrit.libreoffice.org/45600
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

2 files changed, 20 insertions, 0 deletions

diff --git a/writerperfect/qa/unit/EPUBExportTest.cxx b/writerperfect/qa/unit/EPUBExportTest.cxx
index d04c2eeeaaa3..04df33257b6d 100644
--- a/writerperfect/qa/unit/EPUBExportTest.cxx
+++ b/writerperfect/qa/unit/EPUBExportTest.cxx
@@ -88,6 +88,7 @@ public:
     void testTextBox();
     void testFontEmbedding();
     void testImageLink();
+    void testFootnote();
 
     CPPUNIT_TEST_SUITE(EPUBExportTest);
     CPPUNIT_TEST(testOutlineLevel);
@@ -124,6 +125,7 @@ public:
     CPPUNIT_TEST(testTextBox);
     CPPUNIT_TEST(testFontEmbedding);
     CPPUNIT_TEST(testImageLink);
+    CPPUNIT_TEST(testFootnote);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -690,6 +692,16 @@ void EPUBExportTest::testImageLink()
     assertXPath(mpXmlDoc, "//xhtml:p/xhtml:a/xhtml:img", 1);
 }
 
+void EPUBExportTest::testFootnote()
+{
+    createDoc("footnote.fodt", {});
+
+    mpXmlDoc = parseExport("OEBPS/sections/section0001.xhtml");
+    // These were missing, footnote was lost.
+    assertXPath(mpXmlDoc, "//xhtml:body/xhtml:p/xhtml:sup/xhtml:a", "type", "noteref");
+    assertXPath(mpXmlDoc, "//xhtml:body/xhtml:aside", "type", "footnote");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(EPUBExportTest);
 
 }
diff --git a/writerperfect/qa/unit/data/writer/epubexport/footnote.fodt b/writerperfect/qa/unit/data/writer/epubexport/footnote.fodt
new file mode 100644
index 000000000000..a846d64ed03d
--- /dev/null
+++ b/writerperfect/qa/unit/data/writer/epubexport/footnote.fodt
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<office:document xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:officeooo="http://openoffice.org/2009/office" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:drawooo="http://openoffice.org/2010/draw" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:loext="urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0" xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0" xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2" office:mimetype="application/vnd.oasis.opendocument.text">
+  <office:body>
+    <office:text>
+      <text:p>before<text:note text:id="ftn0" text:note-class="footnote"><text:note-citation>1</text:note-citation><text:note-body><text:p>Footnote content</text:p></text:note-body></text:note>after</text:p>
+    </office:text>
+  </office:body>
+</office:document>