1 files changed, 159 insertions, 0 deletions
diff --git a/kpovmodeler/pmoutputdevice.h b/kpovmodeler/pmoutputdevice.h
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+++ b/kpovmodeler/pmoutputdevice.h
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+//-*-C++-*-
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2003 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#ifndef PMOUTPUTDEVICE_H
+#define PMOUTPUTDEVICE_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pmserializer.h"
+
+#include <qstring.h>
+
+class QTextStream;
+class PMPovrayFormat;
+
+/**
+ * Output class for povray code.
+ *
+ * The class @ref PMPovrayFormat or a base class has factory methods
+ * to create an instance of this class. The output device uses the
+ * registered serialization methods of this povray format to serialize
+ * objects.
+ *
+ * This class handles the indentation and position of brackets
+ */
+
+class PMOutputDevice : public PMSerializer
+{
+public:
+   /**
+    * Creates an PMOutputDevice that serializes the povray code
+    * to the device
+    */
+   PMOutputDevice( QIODevice* dev, PMPovrayFormat* format );
+   /** */
+   virtual ~PMOutputDevice( );
+
+   /** */
+   virtual QString description( ) const;
+   /** */
+   virtual void serialize( PMObject* o );
+   /** */
+   virtual void close( );
+
+   /**
+    * Writes the povray object type, an open bracket to the text stream
+    * and indents the next lines
+    */
+   void objectBegin( const QString& type );
+   /**
+    * Begins a declare with the identifier id
+    */
+   void declareBegin( const QString& id );
+   /**
+    * Writes an closing bracket to the text stream
+    * and decreases the indentation
+    */
+   void objectEnd( );
+   /**
+    * Writes a single line to the text stream. Don't include
+    * newlines in the string or indentation will not work properly.
+    *
+    * Adds a newline before the string.
+    */
+   void writeLine( const QString& str );
+   /**
+    * Writes the string to the text stream
+    */
+   void write( const QString& str );
+   /**
+    * Writes a new line to the text stream and indents the next line.
+    */
+   void newLine( );
+   /**
+    * Writes a comment string to the text stream
+    */
+   void writeComment( const QString& text );
+   /**
+    * Writes a semicolon after a call to objectEnd( )
+    */
+   void writeSemicolon( );
+   /**
+    * Writes a special name comment to the text stream, if the
+    * name is not empty
+    */
+   void writeName( const QString& name );
+
+   /**
+    * Returns the basic indentation offset
+    */
+   static unsigned int indentationOffset( ) { return s_indentOffset; }
+   /**
+    * Sets the basic indentation offset
+    */
+   static void setIndentationOffset( unsigned int offset )
+   { s_indentOffset = offset; }
+
+   /**
+    * If set to true, the open bracket after an object begin will be
+    * written behind the object type, otherwise in a new line.
+    */
+   static void setBracketBehindType( bool yes ) { s_bracketBehindType = yes; }
+   /**
+    * Returns true if the open bracket after an object begin will be
+    * written behind the object type
+    */
+   static bool bracketBehindType( ) { return s_bracketBehindType; }
+
+   /**
+    * Correctly escapes the string and puts quotation marks at the begin
+    * and end of the string.
+    *
+    * Escapes only not escaped characters. "\"" and "\\" in the string
+    * are not escaped.
+    */
+   static QString escapeAndQuoteString( const QString& s );
+
+   /**
+    * Calls the serialization method for the object o and class
+    * given by the meta object.
+    *
+    * If no method for this class was registered in the corresponding
+    * @ref PMPovrayFormat, an error is added the message list.
+    */
+   void callSerialization( const PMObject* o, const PMMetaObject* mo );
+
+private:
+   static unsigned int s_indentOffset;
+   static bool s_bracketBehindType;
+
+   PMPovrayFormat* m_pFormat;
+   unsigned int m_indentation;
+   QString m_indentString;
+   QTextStream m_stream;
+   bool m_lastWasComment;
+   bool m_pendingNewLine;
+   bool m_objectSeparation;
+};
+
+
+#endif