gistfile1.js

function nseQuotePuller(pblock,args){
    var baseUrl = "http://www.nseindia.com/marketinfo/companyinfo/companysearch.jsp";
    var params = {cons: Utils.trim(args.object.text),section:7};
    jQuery.get( baseUrl, params, function( resp ) {
	   var begindex=resp.indexOf("/marketinfo/equities/cmquote_tab.jsp");
	   var searchresult=resp.indexOf("<font class=header3>Search Results</font>");
	   var noResult = resp.indexOf("<font class=contenttext>Click <a href=javascript:history.back()>here</a> to search again</font>");
	   if(begindex==-1 && searchresult==-1){
		return;
	   }
       if(noResult>0){
		pblock.innerHTML=resp.substring(searchresult,noResult);
		return;
           }
	   if(searchresult>0){
	        var searchResponse = resp.substring(searchresult);
			searchResponse=searchResponse.substring(0,searchResponse.indexOf("</TABLE>")+8);
			searchResponse=searchResponse.replace("<a href=javascript:history.back()>Back</a>","");
            searchResponse=searchResponse.replace(/<A /g,"<blah ");
            searchResponse=searchResponse.replace(/<\/a>/g,"</blah>");
			pblock.innerHTML=searchResponse;
			return;
	   }
	   var url="http://www.nseindia.com/marketinfo/equities/ajaxGetQuote.jsp?symbol="+parseForSymbol(resp);
	   fetchQuoteFromNSE(url,pblock); 
	})
  }

function parseForSymbol(resp){
	var res = resp.substring(resp.lastIndexOf("getCMOnlineQuoteData('")+22);
	res = res.substring(0,res.indexOf("'"));
	return res;
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function fetchQuoteFromNSE(url,pblock){
	   jQuery.get(url,null,function(resp){
			var a = resp.split(";"); 
			if(trim(a[0])=='SUCCESS')
			{
	    		var renderText = "<b>"+a[51]+"</b><br/><br/>";
				renderText += "<table border='1' align='left' cellpadding='4' cellspacing='1' width='40%'> <tr> <th class='specialhead' colspan='2'>Price Information</th></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>Open</th><td class='t1'>"+a[10]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>High</th><td class='t1'>"+a[11]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>Low</th><td class='t1'>"+a[12]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'><b>Last Price</b></th><td class='t1'><b>"+a[14]+"</b></td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>Prev. Close</th><td class='t1'>"+a[9]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>Change</th><td class='t1'>"+a[15]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>% Change</th><td class='t1'>"+a[16]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>52 week high price</th><td class='t1'>"+a[7]+"</td></tr>";
				renderText += "<tr><th class='specialhead2' align='left'>52 week low price</th><td class='t1'>"+a[8]+"</td></tr>";
				renderText += "</table>";
			}
			pblock.innerHTML=renderText;
            return;
	   })

}

function nseIndexPuller(pblock){
    var baseUrl = "http://www.nseindia.com/marketinfo/indices/indexwatch.jsp";
    jQuery.get( baseUrl, null, function( resp ) {
	   var begindex=resp.indexOf("<TABLE BORDER=\"0\" ALIGN=\"CENTER\" CELLPADDING=\"4\" CELLSPACING=\"1\" width=\"100%\">");
           var indexText=resp.substring(begindex);
           indexText=indexText.substring(0,indexText.indexOf("</table>")+8);
           indexText=indexText.replace(/(<img src=\/images\/grph\.gif border=0>)/g,"");
           indexText=indexText.replace(/\/images\//g,"http://www.nseindia.com/images/");
           indexText = indexText.replace(/(<a href="([^"]+)">([^<]+)<\/a>)/g, "$3");
           pblock.innerHTML=indexText;
	})
}

function nseToday(pblock,featuretype){
	var url="http://www.nseindia.com/content/equities/NiftySecuritiesTop.htm"
	if(featuretype=="losers")
		url="http://www.nseindia.com/content/equities/NiftySecuritiesBelow.htm";
	if(featuretype=="options")
		return nseOptions(pblock);
	if(featuretype=="chart")
		return nseChart(pblock);
	jQuery.get( url, null, function( resp ) {
	   var begindex=resp.indexOf("<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#969696\" width=\"780\">");
	   var featureText=resp.substring(begindex);
	   featureText=featureText.substring(0,featureText.indexOf("</table>")+8);
	   featureText=featureText.replace(/(<a href=([^">]+)>([^<]+)<\/a>)/g, "$3");
           featureText=featureText.replace("cellpadding=\"4\"","cellpadding=\"2\"");
	   pblock.innerHTML=featureText.replace(/#969696/g,"");
	})
}

function nseOptions(pblock){
	url="http://www.nseindia.com/content/fo/fomktwtch_OPTIDXNIFTY.htm";
	jQuery.get( url, null, function( resp ) {
	   var begindex=resp.indexOf("<TABLE BORDER=\"0\" ALIGN=\"CENTER\" CELLPADDING=\"4\" CELLSPACING=\"1\"  width=750>");
	   var featureText=resp.substring(begindex);
	   featureText=featureText.substring(0,featureText.indexOf("</table>")+8);
	   featureText=featureText.replace(/(<a href ="([^">]+)">([^<]+)<\/a>)/g, "$3");
       featureText=featureText.replace("CELLPADDING=\"4\" CELLSPACING=\"1\"","");
       featureText=featureText.replace(/OPTIDX/g,"");
       featureText=featureText.replace(/Instrument Type/g,"");
       featureText=featureText.replace(/Underlying/g,"");
       featureText=featureText.replace(/NIFTY/g,"");
	   pblock.innerHTML=featureText;//.replace(/#969696/g,"");
	})
}

function nseChart(pblock){
	pblock.innerHTML="<img src=http://profit.ndtv.com/Markets/StockImage.aspx?stocktype=I&stock=NSE><br/><br/><img src=http://www.nseindia.com/Watchimage_nifty.png>";
}

CmdUtils.CreateCommand({
  names: ["nse"],
  arguments: [{role: "object",
               nountype: noun_arb_text,
               label: "company name"}],
  icon: "http://www.nseindia.com/favicon.ico",
  help: "<i>nse *name of company*</i> - enter name of company to get quote from NSE.<br/><i>nse</i> - get Index information.<br/> <i>nse gainers</i> - gives you today's gainers.<br/> <i>nse losers</i> - gives you today's losers.",
  author: {name: "Shivprasad Bade"},
  homepage:"http://byteco.de",
  license: "GPL",
  preview: function(pblock,args){
    var userInput = Utils.trim(args.object.text);
    if(userInput.length<2) {
        nseIndexPuller(pblock);
    	return;
    }
	var commands=["gainers","losers","options","chart"];
    if(commands.indexOf(userInput.toLowerCase())>=0){
        nseToday(pblock,userInput.toLowerCase());
    	return;
    }
    nseQuotePuller(pblock,args);
  },
  execute: function(arguments) {
    if(Utils.trim(arguments.object.text).length<2)
       return;
    var arg = Utils.trim(arguments.object.text);
    var baseUrl = "http://www.nseindia.com/marketinfo/companyinfo/companysearch.jsp?cons="+arg+"&section=7";
    Utils.openUrlInBrowser(baseUrl);
  }
})