From d2105fb3fb2082bb32875eaab6db6a2c04c7eae5 Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@memberwebs.com>
Date: Tue, 27 Jul 2004 21:22:58 +0000
Subject: - Preserve mode - Document options - Font fixes

---
 src/xmlfixups.cpp | 49 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 42 insertions(+), 7 deletions(-)

(limited to 'src/xmlfixups.cpp')

diff --git a/src/xmlfixups.cpp b/src/xmlfixups.cpp
index 10b35f1..45fa59a 100644
--- a/src/xmlfixups.cpp
+++ b/src/xmlfixups.cpp
@@ -42,16 +42,22 @@
 #include "tags.h"
 
 static const char* kNoDuplicates[] =
-    { kElB, kElU, kElI, kElColor, kElHide, kElSuper, kElSub, NULL };
+    { kElB, kElU, kElI, kElFont, kElHide, kElSuper, kElSub, NULL };
+
+static const char* kRequireAttrs[] =
+    { kElFont, NULL };
 
 static const char* kRemoveTags[] =
- { kElDest, kElListdef, kElListtable, kElFontTable, NULL };
+    { kElDest, kElListdef, kElListtable, kElFontTable, kElFontDef, NULL };
+
+static const char* kRemoveEmpty[] =
+    { kElOptions, kElList, NULL };
 
 static const char* kBlockTags[] =
-  { kElTable, kElPara, NULL };
+    { kElTable, kElPara, NULL };
 
 static const char* kHideList[] =
-   { kAtId, kAtList, NULL };
+    { kAtId, kAtList, NULL };
 
 static const char* kConsolidateEnd[] =
     { kElFootNote, NULL };
@@ -69,6 +75,8 @@ XmlFixups::XmlFixups()
 {
     loadStringSet(m_duplicates, kNoDuplicates);
     loadStringSet(m_removes, kRemoveTags);
+    loadStringSet(m_removes, kRemoveEmpty);
+    loadStringSet(m_requireAttrs, kRequireAttrs);
     loadStringSet(m_consolidateStart, kConsolidateStart);
     loadStringSet(m_consolidateEnd, kConsolidateEnd);
 }
@@ -502,6 +510,8 @@ void XmlFixups::runPassTwo(const DOM::Document& doc)
                 DOM::Element font = fonts.get(el.getAttribute(kAtId));
                 if(font != NULL)
                     el.setAttribute(kAtName, font.getAttribute(kAtName));
+
+                font.removeAttribute(kAtId);
             }
         }
 
@@ -532,8 +542,10 @@ void XmlFixups::runPassTwo(const DOM::Document& doc)
              */
         }
 
-        // Tags that just plain get removed
-        if(m_removes.find(name) != m_removes.end())
+        // Tags that get removed but contents preserved. Also here are
+        // tags that get removed if they have no attributes
+        if(m_removes.find(name) != m_removes.end() ||
+           (m_requireAttrs.find(name) != m_requireAttrs.end() && el.hasAttributes()))
         {
             DOM::Node parent = el->getParentNode();
 
@@ -556,6 +568,26 @@ void XmlFixups::runPassTwo(const DOM::Document& doc)
             }
         }
 
+        // Tags that get removed when no child nodes exist
+        if(m_removeEmpty.find(name) != m_removeEmpty.end() && el.hasChildNodes())
+        {
+            DOM::Node parent = el->getParentNode();
+
+            if(parent != NULL)
+            {
+                /*
+                 * After the element is removed, the current element is no longer
+                 * valid for iterating over the document. In addition we insert
+                 * all the child nodes of the current element before it. We need
+                 * to be sure to iterate over these elements, and to do so we
+                 * decrement the iterator.
+                 */
+                --it;
+
+                parent.removeChild(el);
+                continue;   /* Current element doesn't need any more processing */
+            }
+        }
 
         // Tags that need to get consolidated to start
         if(m_consolidateStart.find(name) != m_consolidateStart.end())
@@ -577,8 +609,11 @@ void XmlFixups::runPassTwo(const DOM::Document& doc)
                 {
                     DOM::Node next = el.getNextSibling();
 
+                    if(next == NULL || next.getNodeType() != DOM::Node::ELEMENT_NODE)
+                        break;
+
                     // If it's the same type of element ...
-                    if(!DOMHelpers::isElement(next, name))
+                    if(!DOMHelpers::isEqualElement((DOM::Element&)next, el))
                         break;
 
                     // NOTE: Notice we do nothing with attributes. Currently
-- 
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