luzeduardo/ExampleSeleniumLoop

## ExampleSeleniumLoop
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head profile="http://selenium-ide.openqa.org/profiles/test-case">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link rel="selenium.base" href="http://localhost" />
<title>ExampleSeleniumLoop</title>
</head>
<body>
<table cellpadding="1" cellspacing="1" border="1">
<thead>
<tr><td rowspan="1" colspan="3">ExampleSeleniumLoop</td></tr>
</thead><tbody>


<tr>
<td>getEval</td>
<td>index = 0;</td>
<td></td>
</tr>
<tr>
<td>while</td>
<td>index &lt; 10;</td>
<td></td>
</tr>


<tr>
  <td>open</td>
	<td>/</td>
	<td></td>
</tr>
<tr>
	<td>clickAndWait</td>
	<td>//img[contains(@src,'http://localhost/')]</td>
	<td></td>
</tr>
<tr>
	<td>clickAndWait</td>
	<td>css=img[alt=&quot;Bloco de cortiça&quot;]</td>
	<td></td>
</tr>


<tr>
<td>getEval</td>
<td>index++;</td>
<td></td>
</tr>
<tr>
<td>endWhile</td>
<td></td>
<td></td>
</tr>


</tbody></table>
</body>
</html>

## sideflow.js
var gotoLabels= {};
var whileLabels = {};

// overload the original Selenium reset function
Selenium.prototype.reset = function() {
    // reset the labels
    this.initialiseLabels();
    // proceed with original reset code
    this.defaultTimeout = Selenium.DEFAULT_TIMEOUT;
    this.browserbot.selectWindow("null");
    this.browserbot.resetPopups();
}


/*
 * ---   Initialize Conditional Elements  --- *
 *  Run through the script collecting line numbers of all conditional elements
 *  There are three a results arrays: goto labels, while pairs and forEach pairs
 *
 */
Selenium.prototype.initialiseLabels = function()
{
    gotoLabels = {};
    whileLabels = { ends: {}, whiles: {} };
    var command_rows = [];
    var numCommands = testCase.commands.length;
    for (var i = 0; i < numCommands; ++i) {
        var x = testCase.commands[i];
        command_rows.push(x);
    }
    var cycles = [];
    var forEachCmds = [];
    for( var i = 0; i < command_rows.length; i++ ) {
        if (command_rows[i].type == 'command')
        switch( command_rows[i].command.toLowerCase() ) {
            case "label":
                gotoLabels[ command_rows[i].target ] = i;
                break;
            case "while":
            case "endwhile":
                cycles.push( [command_rows[i].command.toLowerCase(), i] )
                break;
            case "foreach":
            case "endforeach":
                forEachCmds.push( [command_rows[i].command.toLowerCase(), i] )
                break;
        }
    }
    var i = 0;
    while( cycles.length ) {
        if( i >= cycles.length ) {
            throw new Error( "non-matching while/endWhile found" );
        }
        switch( cycles[i][0] ) {
            case "while":
                if( ( i+1 < cycles.length ) && ( "endwhile" == cycles[i+1][0] ) ) {
                    // pair found
                    whileLabels.ends[ cycles[i+1][1] ] = cycles[i][1];
                    whileLabels.whiles[ cycles[i][1] ] = cycles[i+1][1];
                    cycles.splice( i, 2 );
                    i = 0;
                } else ++i;
                break;
            case "endwhile":
                ++i;
                break;
        }
    }

}

Selenium.prototype.continueFromRow = function( row_num )
{
    if(row_num == undefined || row_num == null || row_num < 0) {
        throw new Error( "Invalid row_num specified." );
    }
    testCase.debugContext.debugIndex = row_num;
}

// do nothing. simple label
Selenium.prototype.doLabel = function(){};

Selenium.prototype.doGotoLabel = function( label )
{
    if( undefined == gotoLabels[label] ) {
        throw new Error( "Specified label '" + label + "' is not found." );
    }
    this.continueFromRow( gotoLabels[ label ] );
};

Selenium.prototype.doGoto = Selenium.prototype.doGotoLabel;

Selenium.prototype.doGotoIf = function( condition, label )
{
    if( eval(condition) ) this.doGotoLabel( label );
}

Selenium.prototype.doWhile = function( condition )
{
    if( !eval(condition) ) {
        var last_row = testCase.debugContext.debugIndex;
        var end_while_row = whileLabels.whiles[ last_row ];
        if( undefined == end_while_row ) throw new Error( "Corresponding 'endWhile' is not found." );
        this.continueFromRow( end_while_row );
    }
}

Selenium.prototype.doEndWhile = function()
{
    var last_row = testCase.debugContext.debugIndex;
    var while_row = whileLabels.ends[ last_row ] - 1;
    if( undefined == while_row ) throw new Error( "Corresponding 'While' is not found." );
    this.continueFromRow( while_row );
}

Selenium.prototype.doPush= function(value, varName)
{
    if(!storedVars[varName]) {
        storedVars[varName] = new Array();
    }
    if(typeof storedVars[varName] !== 'object') {
        throw new Error("Cannot push value onto non-array " + varName);
    } else {
        storedVars[varName].push(value);
    }
}
	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head profile="http://selenium-ide.openqa.org/profiles/test-case">
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<link rel="selenium.base" href="http://localhost" />
	<title>ExampleSeleniumLoop</title>
	</head>
	<body>
	<table cellpadding="1" cellspacing="1" border="1">
	<thead>
	<tr><td rowspan="1" colspan="3">ExampleSeleniumLoop</td></tr>
	</thead><tbody>


	<tr>
	<td>getEval</td>
	<td>index = 0;</td>
	<td></td>
	</tr>
	<tr>
	<td>while</td>
	<td>index < 10;</td>
	<td></td>
	</tr>


	<tr>
	<td>open</td>
	<td>/</td>
	<td></td>
	</tr>
	<tr>
	<td>clickAndWait</td>
	<td>//img[contains(@src,'http://localhost/')]</td>
	<td></td>
	</tr>
	<tr>
	<td>clickAndWait</td>
	<td>css=img[alt="Bloco de cortiça"]</td>
	<td></td>
	</tr>


	<tr>
	<td>getEval</td>
	<td>index++;</td>
	<td></td>
	</tr>
	<tr>
	<td>endWhile</td>
	<td></td>
	<td></td>
	</tr>


	</tbody></table>
	</body>
	</html>
	var gotoLabels= {};
	var whileLabels = {};

	// overload the original Selenium reset function
	Selenium.prototype.reset = function() {
	// reset the labels
	this.initialiseLabels();
	// proceed with original reset code
	this.defaultTimeout = Selenium.DEFAULT_TIMEOUT;
	this.browserbot.selectWindow("null");
	this.browserbot.resetPopups();
	}


	/*
	* --- Initialize Conditional Elements --- *
	* Run through the script collecting line numbers of all conditional elements
	* There are three a results arrays: goto labels, while pairs and forEach pairs
	*
	*/
	Selenium.prototype.initialiseLabels = function()
	{
	gotoLabels = {};
	whileLabels = { ends: {}, whiles: {} };
	var command_rows = [];
	var numCommands = testCase.commands.length;
	for (var i = 0; i < numCommands; ++i) {
	var x = testCase.commands[i];
	command_rows.push(x);
	}
	var cycles = [];
	var forEachCmds = [];
	for( var i = 0; i < command_rows.length; i++ ) {
	if (command_rows[i].type == 'command')
	switch( command_rows[i].command.toLowerCase() ) {
	case "label":
	gotoLabels[ command_rows[i].target ] = i;
	break;
	case "while":
	case "endwhile":
	cycles.push( [command_rows[i].command.toLowerCase(), i] )
	break;
	case "foreach":
	case "endforeach":
	forEachCmds.push( [command_rows[i].command.toLowerCase(), i] )
	break;
	}
	}
	var i = 0;
	while( cycles.length ) {
	if( i >= cycles.length ) {
	throw new Error( "non-matching while/endWhile found" );
	}
	switch( cycles[i][0] ) {
	case "while":
	if( ( i+1 < cycles.length ) && ( "endwhile" == cycles[i+1][0] ) ) {
	// pair found
	whileLabels.ends[ cycles[i+1][1] ] = cycles[i][1];
	whileLabels.whiles[ cycles[i][1] ] = cycles[i+1][1];
	cycles.splice( i, 2 );
	i = 0;
	} else ++i;
	break;
	case "endwhile":
	++i;
	break;
	}
	}

	}

	Selenium.prototype.continueFromRow = function( row_num )
	{
	if(row_num == undefined \|\| row_num == null \|\| row_num < 0) {
	throw new Error( "Invalid row_num specified." );
	}
	testCase.debugContext.debugIndex = row_num;
	}

	// do nothing. simple label
	Selenium.prototype.doLabel = function(){};

	Selenium.prototype.doGotoLabel = function( label )
	{
	if( undefined == gotoLabels[label] ) {
	throw new Error( "Specified label '" + label + "' is not found." );
	}
	this.continueFromRow( gotoLabels[ label ] );
	};

	Selenium.prototype.doGoto = Selenium.prototype.doGotoLabel;

	Selenium.prototype.doGotoIf = function( condition, label )
	{
	if( eval(condition) ) this.doGotoLabel( label );
	}

	Selenium.prototype.doWhile = function( condition )
	{
	if( !eval(condition) ) {
	var last_row = testCase.debugContext.debugIndex;
	var end_while_row = whileLabels.whiles[ last_row ];
	if( undefined == end_while_row ) throw new Error( "Corresponding 'endWhile' is not found." );
	this.continueFromRow( end_while_row );
	}
	}

	Selenium.prototype.doEndWhile = function()
	{
	var last_row = testCase.debugContext.debugIndex;
	var while_row = whileLabels.ends[ last_row ] - 1;
	if( undefined == while_row ) throw new Error( "Corresponding 'While' is not found." );
	this.continueFromRow( while_row );
	}

	Selenium.prototype.doPush= function(value, varName)
	{
	if(!storedVars[varName]) {
	storedVars[varName] = new Array();
	}
	if(typeof storedVars[varName] !== 'object') {
	throw new Error("Cannot push value onto non-array " + varName);
	} else {
	storedVars[varName].push(value);
	}
	}