layered verify concept

<script>

var composite;

function copytext()
{
composite="";
document.myform.here.value="";
document.myform.mytext.value="";
document.myform.mytext2.value="";
document.myform.mytext.value=layers(document.myform.text.value,0);
document.myform.mytext2.value=composite;
}

function layers(text,layer)
{
text="\n" + text + "\n";

var begintxt = "-----BEGIN PGP SIGNED MESSAGE-----\n";
var midtxt = "-----BEGIN PGP SIGNATURE-----\n";
var endtxt = "-----END PGP SIGNATURE-----\n";

var division=0;
var verifytxt="";

var layerbegin = new RegExp("- " + begintxt,"gi");
var layermid = new RegExp("- " + midtxt,"gi");
var layerend = new RegExp("- " + endtxt,"gi");
var begin = new RegExp("\n" + begintxt);
var end = new RegExp("\n" + endtxt);

var firstPosition = 0;
var lastPosition = 0;
var divisiontxt = "";

while(firstPosition!=-1 && lastPosition!=-1)
{
  firstPosition = text.search(begin);
  lastPosition = text.search(end);
  if( firstPosition!=-1 && lastPosition!=-1)
  {
   division++;
   var divisiontxt=text.substring(firstPosition,lastPosition+endtxt.length);
   var tmpverifytxt = verify(divisiontxt,layer,division);
   divisiontxt = divisiontxt.replace(begin,"");
   divisiontxt = divisiontxt.replace(end,"");
   divisiontxt = divisiontxt.replace(layerbegin,begintxt);
   divisiontxt = divisiontxt.replace(layermid,midtxt);
   divisiontxt = divisiontxt.replace(layerend,endtxt);
   verifytxt = verifytxt + tmpverifytxt +"\n"+layers(divisiontxt,layer+1);
   text=text.substring(lastPosition+endtxt.length);
  }
}

return verifytxt;
}

function verify(text,layer,division)
{
composite = composite + "\n=====begin division " + division + " of layer ";
composite = composite + layer + "=====\n" + text + "\n=====end division" + division + " of layer " + layer + "=====\n";
var spaces="";
for(x=0;x<layer;x++)
{
  spaces=spaces+" ";
}
return spaces+"test";
}

</script>

<form name=myform>
<textarea name=text rows=40 cols=60></textarea>
<input type=button onclick="copytext()">
<textarea name=mytext rows=40 cols=60></textarea>
<textarea name=mytext2 rows=40 cols=60></textarea>
<br>
<input name=begin type=text>
<input name=end type=text>
<input name=here type=text>
</form>

Last edited by jeff.sadowski (2007-07-01 05:35:37)