iwa[pages]: retrieve headers/footers even if the document is empty.

Change-Id: If141c01a3a0737ced5ba4bbf9902985cf4c09e9a

1 files changed, 5 insertions, 3 deletions

diff --git a/src/lib/IWAParser.cpp b/src/lib/IWAParser.cpp
index d83fb34..8616a04 100644
--- a/src/lib/IWAParser.cpp
+++ b/src/lib/IWAParser.cpp
@@ -586,10 +586,12 @@ bool IWAParser::parseText(const unsigned id, const std::function<void(unsigned,
   }
   std::multimap<unsigned, std::function<void(unsigned, bool &)> > attachments;
   const IWAStringField &text = get(msg).string(3);
-  if (text)
+  if (text || (openPageFunction && get(msg).message(17)))
   {
-    IWAText textParser(get(text), m_langManager);
-    const size_t length = get(text).size();
+    // special case, when the document is empty and openPageFunction is
+    //          defined, we still need to retrieve the headers/footers
+    IWAText textParser(get_optional_value_or(text," "), m_langManager);
+    const size_t length = text ? get(text).size() : 1;
 
     if (get(msg).message(5))
     {