From f85b723f415debcf686ee39b2b2bf8c24203c358 Mon Sep 17 00:00:00 2001
From: Carsten Burghardt <burghardt@kde.org>
Date: Wed, 12 Nov 2003 21:15:13 +0000
Subject: [PATCH] Parts in encapsulated multipart messages were not found
 correctly. I rewrote this function because it was simply buggy and ugly.

svn path=/trunk/kdepim/; revision=266685
---
 kmcommands.cpp |  2 +-
 kmmessage.cpp  | 68 +++++++++++++++++++-------------------------------
 kmmessage.h    |  2 +-
 3 files changed, 28 insertions(+), 44 deletions(-)

diff --git a/kmcommands.cpp b/kmcommands.cpp
index 96ffc4729..439d05173 100644
--- a/kmcommands.cpp
+++ b/kmcommands.cpp
@@ -1873,7 +1873,7 @@ void KMLoadPartsCommand::start()
 
 void KMLoadPartsCommand::slotPartRetrieved( KMMessage* msg, QString partSpecifier )
 {
-  DwBodyPart* part = msg->findDwBodyPart( partSpecifier );
+  DwBodyPart* part = msg->findDwBodyPart( msg->getFirstDwBodyPart(), partSpecifier );
   if ( part )
   {
     // update the DwBodyPart in the partNode
diff --git a/kmmessage.cpp b/kmmessage.cpp
index 36d340683..4bfa54c65 100644
--- a/kmmessage.cpp
+++ b/kmmessage.cpp
@@ -4033,51 +4033,35 @@ void KMMessage::getLink(int n, ulong *retMsgSerNum, KMMsgStatus *retStatus) cons
 }
 
 //-----------------------------------------------------------------------------
-DwBodyPart* KMMessage::findDwBodyPart( const QString & partSpecifier )
+DwBodyPart* KMMessage::findDwBodyPart( DwBodyPart* part, const QString & partSpecifier )
 {
-  DwBodyPart *part, *curpart;
-  QPtrList< DwBodyPart > parts;
-
-  curpart = getFirstDwBodyPart();
-  part = 0;
-
-  while (curpart && !part) {
-    //dive into multipart messages
-    while (   curpart
-           && curpart->hasHeaders()
-           && curpart->Headers().HasContentType()
-           && curpart->Body().FirstBodyPart()
-           && (DwMime::kTypeMultipart == curpart->Headers().ContentType().Type()) )
-    {
-      parts.append( curpart );
-      curpart = curpart->Body().FirstBodyPart();
-    }
-    if ( curpart->Body().Message() &&
-         curpart->Body().Message()->Body().FirstBodyPart() )
-    {
-      // dive into encapsulated message
-      parts.append( curpart->Body().Message()->Body().FirstBodyPart() );
-    }
+  if ( !part ) return 0;
+  DwBodyPart* current;
+  kdDebug(5006) << "findDwBodyPart " << part->partId() << endl;
 
-    // this is where currPart->msgPart contains a leaf message part
-    if (curpart->partId() == partSpecifier)
-        part = curpart;
-    // go up in the tree until reaching a node with next
-    // (or the last top-level node)
-    while (curpart && !(curpart->Next()) && !(parts.isEmpty()))
-    {
-      curpart = parts.getLast();
-      parts.removeLast();
-    }
-    // re-check
-    if (curpart->partId() == partSpecifier)
-        part = curpart;
+  if ( part->partId() == partSpecifier )
+    return part;
+ 
+  // multipart
+  if ( part->hasHeaders() &&
+       part->Headers().HasContentType() &&
+       part->Body().FirstBodyPart() &&
+       (DwMime::kTypeMultipart == part->Headers().ContentType().Type() ) &&
+       (current = findDwBodyPart( part->Body().FirstBodyPart(), partSpecifier )) )
+  { 
+    return current;
+  }
 
-    if (curpart) {
-      curpart = curpart->Next();
-    }
+  // encapsulated message
+  if ( part->Body().Message() &&
+       part->Body().Message()->Body().FirstBodyPart() &&
+       (current = findDwBodyPart( part->Body().Message()->Body().FirstBodyPart(), partSpecifier )) )
+  {
+    return current;
   }
-  return part;
+
+  // next part
+  return findDwBodyPart( part->Next(), partSpecifier );
 }
 
 //-----------------------------------------------------------------------------
@@ -4097,7 +4081,7 @@ void KMMessage::updateBodyPart(const QString partSpecifier, const QByteArray & d
     kdDebug(5006) << "KMMessage::updateBodyPart " << specifier << endl;
 
     // search for the bodypart
-    mLastUpdated = findDwBodyPart( specifier );
+    mLastUpdated = findDwBodyPart( getFirstDwBodyPart(), specifier );
     if (!mLastUpdated)
     {
       kdWarning(5006) << "KMMessage::updateBodyPart - can not find part "
diff --git a/kmmessage.h b/kmmessage.h
index 4b63a7815..ae3b524ed 100644
--- a/kmmessage.h
+++ b/kmmessage.h
@@ -565,7 +565,7 @@ public:
 
   /** Return the first DwBodyPart matching a given partSpecifier
       or zero, if no found. */
-  DwBodyPart* findDwBodyPart( const QString & partSpecifier );
+  DwBodyPart* findDwBodyPart( DwBodyPart* part, const QString & partSpecifier );
 
   /** Get the DwBodyPart at position in aIdx.  Indexing starts at 0.
       If there is no body part at that index, return value will be zero. */