From 46377333551996128b0b1b4a4d25eedbc35eee31 Mon Sep 17 00:00:00 2001
From: Fridrich Štrba <fridrich.strba@bluewin.ch>
Date: Sun, 27 Dec 2015 09:25:05 +0100
Subject: Use U+FFFC as field placeholder and output field only in one place

Change-Id: I617ffd23b8577ae6ca71cfde07822a67cd683204
---
 src/lib/VSDContentCollector.cpp | 31 ++++++++++++++++---------------
 src/lib/VSDContentCollector.h   |  1 +
 2 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/src/lib/VSDContentCollector.cpp b/src/lib/VSDContentCollector.cpp
index 97be554..e0cff20 100644
--- a/src/lib/VSDContentCollector.cpp
+++ b/src/lib/VSDContentCollector.cpp
@@ -53,7 +53,7 @@ libvisio::VSDContentCollector::VSDContentCollector(
   m_currentPageNumber(0), m_shapeOutputDrawing(0), m_shapeOutputText(0),
   m_pageOutputDrawing(), m_pageOutputText(), m_documentPageShapeOrders(documentPageShapeOrders),
   m_pageShapeOrder(m_documentPageShapeOrders.begin()), m_isFirstGeometry(true), m_NURBSData(), m_polylineData(),
-  m_textStream(), m_names(), m_stencilNames(), m_fields(), m_stencilFields(), m_fieldIndex(0),
+  m_textStream(), m_currentText(), m_names(), m_stencilNames(), m_fields(), m_stencilFields(), m_fieldIndex(0),
   m_textFormat(VSD_TEXT_ANSI), m_charFormats(), m_paraFormats(), m_lineStyle(), m_fillStyle(), m_textBlockStyle(),
   m_themeReference(), m_defaultCharStyle(), m_defaultParaStyle(), m_currentStyleSheet(0), m_styles(styles),
   m_stencils(stencils), m_stencilShape(0), m_isStencilStarted(false), m_currentGeometryCount(0),
@@ -647,6 +647,11 @@ void libvisio::VSDContentCollector::_flushText()
           m_shapeOutputText->addInsertTab();
           sOutputText.clear();
         }
+        else if (strlen(i()) == 3 &&
+                 i()[0] == (char)0xef &&
+                 i()[1] == (char)0xbf &&
+                 i()[2] == (char)0xbc)
+          _appendField(sOutputText);
         else
           sOutputText.append(i());
       }
@@ -2113,9 +2118,6 @@ void libvisio::VSDContentCollector::collectShape(unsigned id, unsigned level, un
       _handleForeignData(m_stencilShape->m_foreign->data);
     }
 
-    // m_textStream = m_stencilShape->m_text;
-    // m_textFormat = m_stencilShape->m_textFormat;
-
     for (std::map< unsigned, VSDName>::const_iterator iterData = m_stencilShape->m_names.begin(); iterData != m_stencilShape->m_names.end(); ++iterData)
     {
       librevenge::RVNGString nameString;
@@ -2222,6 +2224,13 @@ void libvisio::VSDContentCollector::collectText(unsigned level, const librevenge
 
   m_textStream = textStream;
   m_textFormat = format;
+  m_currentText.clear();
+  if (!m_textStream.empty())
+  {
+    std::vector<unsigned char> tmpBuffer(textStream.size());
+    memcpy(&tmpBuffer[0], textStream.getDataBuffer(), textStream.size());
+    appendCharacters(m_currentText, tmpBuffer, format);
+  }
 }
 
 void libvisio::VSDContentCollector::collectParaIX(unsigned /* id */ , unsigned level, unsigned charCount, const boost::optional<double> &indFirst,
@@ -3174,10 +3183,7 @@ void libvisio::VSDContentCollector::appendCharacters(librevenge::RVNGString &tex
          iter != characters.end(); ++iter)
     {
       if (0x1e == ucs4Character)
-      {
-        _appendField(text);
-        continue;
-      }
+        ucs4Character = 0xfffc;
       else if (*iter < 0x20)
         ucs4Character = 0x20;
       else
@@ -3244,7 +3250,7 @@ void libvisio::VSDContentCollector::appendCharacters(librevenge::RVNGString &tex
         if (U_SUCCESS(status) && U_IS_UNICODE_CHAR(ucs4Character))
         {
           if (0x1e == ucs4Character)
-            _appendField(text);
+            appendUCS4(text, 0xfffc);
           else
             appendUCS4(text, ucs4Character);
         }
@@ -3268,12 +3274,7 @@ void libvisio::VSDContentCollector::appendCharacters(librevenge::RVNGString &tex
     {
       UChar32 ucs4Character = ucnv_getNextUChar(conv, &src, srcLimit, &status);
       if (U_SUCCESS(status) && U_IS_UNICODE_CHAR(ucs4Character))
-      {
-        if (0xfffc == ucs4Character)
-          _appendField(text);
-        else
-          appendUCS4(text, ucs4Character);
-      }
+        appendUCS4(text, ucs4Character);
     }
   }
   if (conv)
diff --git a/src/lib/VSDContentCollector.h b/src/lib/VSDContentCollector.h
index 9a956db..c3aaff2 100644
--- a/src/lib/VSDContentCollector.h
+++ b/src/lib/VSDContentCollector.h
@@ -276,6 +276,7 @@ private:
   std::map<unsigned, NURBSData> m_NURBSData;
   std::map<unsigned, PolylineData> m_polylineData;
   librevenge::RVNGBinaryData m_textStream;
+  librevenge::RVNGString m_currentText;
   std::map<unsigned, librevenge::RVNGString> m_names, m_stencilNames;
   std::vector<librevenge::RVNGString> m_fields;
   VSDFieldList m_stencilFields;
-- 
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