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diff --git a/mpeglib/example/yaf/yafcore/parser.cpp b/mpeglib/example/yaf/yafcore/parser.cpp
new file mode 100644
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+++ b/mpeglib/example/yaf/yafcore/parser.cpp
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+/*
+  Checks if a valid Command Line is avaiable
+  Copyright (C) 1998  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#include "parser.h"
+
+
+Parser::Parser() {
+  commandLine=new CommandLine();
+  parseString=new Buffer(200);
+}
+
+
+Parser::~Parser() {
+  delete commandLine;
+  delete parseString;
+}
+
+void Parser::setParseString(char* parseString){
+  (this->parseString)->setData(parseString);
+  // clear everything in commandline
+  commandLine->clear();
+}
+
+void Parser::parse() {
+  int commandCounter=0;
+  
+  parse(parseString->getData(),&commandCounter);
+  commandLine->setCommandCount(commandCounter);
+}
+
+
+void Parser::parse(char* strStart,int* nCommand){
+  char* doppelPkt;
+  char* current;
+  char* space;
+
+  if (strlen(strStart) == 0) return;
+
+  doppelPkt=strchr(strStart,':');
+  if (doppelPkt == NULL) return;
+  (*doppelPkt)='\0';
+  commandLine->setIdentifier(*nCommand,strStart);
+  strStart=++doppelPkt;
+  current=strStart;
+
+  // Now two possibilities:
+  // a command with Msg : means the rest ist the value
+  // a command different from Msg means: further processing
+
+  if (strcmp("Msg",commandLine->getIdentifier(*nCommand)) == 0) {
+    commandLine->setValue((*nCommand),current);
+    (*nCommand)++;
+    return;
+  }
+
+  // Now two possibilities:
+  // a command with "Ret:" means string until the the ")" is the value
+  // a command different from "Ret:" means: the string until the first space
+  //                                        ist the value
+  if (strcmp("Ret",commandLine->getIdentifier(*nCommand)) == 0) {
+    char* seperator;
+    seperator=strchr(current,')');
+    if (seperator == NULL) {
+      commandLine->setValue((*nCommand),current);
+      (*nCommand)++;
+      return;
+    } else {
+      (*seperator)='\0';
+      current++;
+      commandLine->setValue((*nCommand),current);
+      (*nCommand)++;    
+      seperator++;  
+      if (strlen(seperator) == 0) return;
+      parse(++seperator,&(*nCommand));
+      return;
+    }
+  }
+ 
+  space=strchr(current,' ');
+  if (space == NULL) {
+    commandLine->setValue((*nCommand),current);
+    (*nCommand)++;
+    return;
+  }    
+  (*space)='\0';
+  commandLine->setValue((*nCommand),current);
+  parse(++space,&(++(*nCommand)));
+}
+
+
+  
+
+int Parser::isOK(){
+  // a Commandline ist valid when it contains :
+
+  // * 2 * (identifer/value)
+  // * first identifier ist "Command"
+  // * second identifier is "Msg"
+  
+
+  // or:
+  // 3 identifier
+  // first: "Command"
+  // second "Ret"
+  // third: "Msg"
+
+  if (commandLine->getCommandCount() == 2){
+    if (strcmp("Command",commandLine->getIdentifier(0)) != 0) return 0;
+    if (strcmp("Msg",commandLine->getIdentifier(1)) != 0) return 0;
+    return 1;
+  }
+
+  if (commandLine->getCommandCount() == 3){
+    if (strcmp("Command",commandLine->getIdentifier(0)) != 0) return 0;
+    if (strcmp("Ret",commandLine->getIdentifier(1)) != 0) return 0;
+    if (strcmp("Msg",commandLine->getIdentifier(2)) != 0) return 0;
+    return 1;
+  }
+ 
+  return 0;
+}
+  
+CommandLine* Parser::getCommandLine(){
+  return commandLine;
+}
+
+
+
+
+
+
+
+
+
+
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+
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+