finished with bookmark support

svn path=/trunk/KDE/kdegraphics/kdvi/; revision=428113

dviRenderer.cpp

@@ -21,6 +21,7 @@
 #include <qmessagebox.h>
 #include <qpaintdevice.h>
 #include <qpainter.h>
+#include <qptrstack.h>
 #include <qurl.h>
 #include <qvbox.h>
 
@@ -337,8 +338,7 @@ void dviRenderer::embedPostScript(void)
   preScanTimer.start();
 #endif
   dviFile->numberOfExternalPSFiles = 0;
-  bookMarkTitles.clear();
-  bookMarkAnchors.clear();
+  prebookmarks.clear();
   for(current_page=0; current_page < dviFile->total_pages; current_page++) {
     PostScriptOutPutString = new QString();
 
@@ -524,8 +524,7 @@ bool dviRenderer::setFile(const QString &fname)
 #endif
   dviFile->numberOfExternalPSFiles = 0;
   Q_UINT16 currPageSav = current_page;
-  bookMarkAnchors.clear();
-  bookMarkTitles.clear();
+  prebookmarks.clear();
   
   for(current_page=0; current_page < dviFile->total_pages; current_page++) {
     PostScriptOutPutString = new QString();
@@ -549,24 +548,28 @@ bool dviRenderer::setFile(const QString &fname)
   
 
   // Generate the list of bookmarks
-  kdError() << "========================================================" << endl;
-  kdError() << "bookMarkTitles.size() " << bookMarkTitles.size() << endl;
-  if (bookMarkTitles.size() != bookMarkAnchors.size())
-    kdError(4330) << "dviRenderer::setFile(..): Internal corruption in bookmark structures. Disregarding all bookmarks." << endl;
-  else
-    for(unsigned int i=0; i<bookMarkTitles.size(); i++) {
-      Anchor anc = findAnchor(bookMarkAnchors[i]);
-      if (anc.isValid()) {
-	Bookmark *bmk = new Bookmark(bookMarkTitles[i], anc);
-	bookmarks.append(bmk);
-      } else
-	kdError() <<  bookMarkTitles[i] << " has an invalicd anchor" << endl;
+  kdError() << "========================================================" <<    endl;
+
+  QPtrStack<Bookmark> stack;
+  stack.setAutoDelete (false);
+
+  QValueVector<PreBookmark>::iterator it;
+  for( it = prebookmarks.begin(); it != prebookmarks.end(); ++it ) {
+    kdError() <<  (*it).title << " has an count " << (*it).noOfChildren << endl;
+    Bookmark *bmk = new Bookmark((*it).title, findAnchor((*it).anchorName));
+    if (stack.isEmpty())
+      bookmarks.append(bmk);
+    else {
+      stack.top()->subordinateBookmarks.append(bmk);
+      stack.remove();
     }
-  bookMarkAnchors.clear();
-  bookMarkTitles.clear();
+    for(int i=0; i<(*it).noOfChildren; i++)
+      stack.push(bmk);
+  
+  }
+  prebookmarks.clear();
   
   
-
 #ifdef PERFORMANCE_MEASUREMENT
   kdDebug(4300) << "Time required for prescan phase: " << preScanTimer.restart() << "ms" << endl;
 #endif

dviRenderer.h

@@ -27,6 +27,7 @@
 #include "fontpool.h"
 #include "infodialog.h"
 #include "pageSize.h"
+#include "prebookmark.h"
 #include "psgs.h"
 #include "renderedDocumentPage.h"
 
@@ -190,8 +191,8 @@ private:
   void          prescan_setChar(unsigned int ch);
 
   /* */
-  QStringList bookMarkTitles;
-  QStringList bookMarkAnchors;
+  QValueVector<PreBookmark> prebookmarks;
+
 
 
   /** Utility fields used by the embedPostScript method*/

dviRenderer_prescan.cpp

@@ -339,10 +339,12 @@ void dviRenderer::prescan_ParsePSSpecial(QString cp)
 	l.setLength_in_inch(currinf.data.dvi_v/(resolutionInDPI*shrinkfactor));
 	anchorList[anchorName] = Anchor(current_page+1, l);
       }
-      if (cp.contains("/Dest") && cp.contains("/Title")) { // The PostScript code defines a bookmark
-	bookMarkAnchors += cp.section('(', 1, 1).section(')', 0, 0);
-	bookMarkTitles  += cp.section('(', 2, 2).section(')', 0, 0);
-      }
+      // The PostScript code defines a bookmark
+      if (cp.contains("/Dest") && cp.contains("/Title"))
+	prebookmarks.append(PreBookmark(cp.section('(', 2, 2).section(')', 0, 0),
+					cp.section('(', 1, 1).section(')', 0, 0), 
+					cp.section('-', 1, 1).section(' ', 0, 0).toUInt()
+					));
       return;
     }
   }

prebookmark.h

@@ -0,0 +1,49 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Stefan Kebekus                                  *
+ *   kebekus@kde.org                                                       *
+ *                                                                         *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef _PREBOOKMARK_H_
+#define _PREBOOKMARK_H_
+
+#include <qstring.h>
+
+/*! \brief Bookmark representation
+  
+This class presents a bookmark in a format that is used internally by
+the DVI prescan routines.
+*/
+
+class PreBookmark
+{
+ public:
+  PreBookmark(QString t, QString a, Q_UINT16 n) {title=t; anchorName=a; noOfChildren=n;}
+  PreBookmark() {title=QString::null; anchorName=QString::null; noOfChildren=0;}
+
+  // Title of the bookmark
+  QString title;
+
+  // Name of the anchor
+  QString anchorName;
+
+  // Number of subordinate bookmarks
+  Q_UINT16 noOfChildren;
+};
+
+#endif