/***************************************************	

	fValidate
	Copyright (c) 2000-2003
	by Peter Bailey
	www.peterbailey.net/fValidate/

	fValidate.basic.js

	Included Validators
	-------------------
	blank
	length

	This file is only part of a larger validation
	library	and will not function autonomously.

	Created at a tab-spacing of four (4)

****************************************************/

fValidate.prototype.blank = function()
{
	if ( this.typeMismatch( 'text' ) ) return;
	if ( this.isBlank() )
	{
		this.throwError( [this.elem.fName] );
	}
}

fValidate.prototype.length = function( len, maxLen )
{
	if ( this.typeMismatch( 'text' ) ) return;
	var vlen = this.elem.value.length;
	len		= Math.abs( len );
	maxLen	= Math.abs( this.setArg( maxLen, Number.infinity ) );
	if ( len > maxLen )
	{
		this.devError( [len, maxLen, this.elem.name] );
		return;
	}
	if ( len > parseInt( vlen, 10 ) )
	{
		this.throwError( [this.elem.fName, len] );
	}	
	if ( vlen > maxLen )
	{
		this.throwError( [this.elem.fName, maxLen, vlen], 1 );
	}
}

fValidate.prototype.email = function( level )
{
	if ( this.typeMismatch( 'text' ) ) return;
	if ( typeof level == 'undefined' ) level = 0;
	var emailPatterns = [
		/.+@.+\..+$/i,
		/^\w.+@\w.+\.[a-z]+$/i,
		/^\w[-_a-z~.]+@\w[-_a-z~.]+\.[a-z]{2}[a-z]*$/i,
		/^\w[\w\d]+(\.[\w\d]+)*@\w[\w\d]+(\.[\w\d]+)*\.[a-z]{2,7}$/i
		];
	if ( ! emailPatterns[level].test( this.elem.value ) )
	{
		this.throwError();
	}	
}	

fValidate.prototype.url = function( hosts, hostOptional, allowQS )
{
	if ( this.typeMismatch( 'text' ) ) return;

	this.setArg( hosts, "http" );
	
	var front = "^(?:(" + hosts.replace( /\,/g, "|" ) + ")\\:\\/\\/)";
	var end   = ( Boolean( allowQS ) == true ) ? "(\\?.*)?$" : "$";

	if ( Boolean( hostOptional ) == true ) front += "?";
	var regex = new RegExp( front + "([\\w\\d-]+\\.?)+" + end );
	
	if ( !regex.test( this.elem.value ) )
	{
		this.throwError( [this.elem.fName] );
	}
}	

fValidate.prototype.ip = function( portMin, portMax )
{
	if ( this.typeMismatch( 'text' ) ) return;
	portMin = this.setArg( portMin, 0 );
	portMax = this.setArg( portMax, 99999 );
	if ( !( /^\d{1,3}(\.\d{1,3}){3}(:\d+)?$/.test( this.elem.value ) ) )
	{
		this.throwError();
	}
	else
	{
		var part, i = 0, parts = this.elem.value.split( /[.:]/ );
		while ( part = parts[i++] )
		{
			if ( i == 5 ) // Check port
			{
				if ( part < portMin || part > portMax )
				{
					this.throwError( [part, portMin, portMax], 1 );
				}
			}
			else if ( part < 0 || part > 255 )
			{
				this.throwError();
			}
		}
	}
}

fValidate.prototype.zip = function( sep )
{
	if ( this.typeMismatch( 'text' ) ) return;
	sep = this.setArg( sep, "- " );
	var regex = new RegExp( "^[0-9]{5}(|[" + sep.toPattern() + "][0-9]{4})?$" );
	if ( ! regex.test( this.elem.value ) )
	{
		this.throwError();
	}
}

fValidate.prototype.phone = function( format )
{
	if ( this.typeMismatch( 'text' ) ) return;
	format       = this.setArg( format, 0 );
	var patterns = [
		/^(\(?\d\d\d\)?)?[ -]?\d\d\d[ -]?\d\d\d\d$/,	//	loose
		/^(\(\d\d\d\) )?\d\d\d[ -]\d\d\d\d$/			//	strict
		];
	if ( !patterns[format].test( this.elem.value ) )
	{
		if ( format == 1 )
		{
			this.throwError();
		} else {
			this.throwError( [], 1 );
		}
	}
}

fValidate.prototype.number = function( type, lb, ub )
{
	if ( this.typeMismatch( 'text' ) ) return;
	var num  = ( type == 0 ) ? parseInt( this.elem.value, 10 ) : parseFloat( this.elem.value );
	lb       = this.setArg( lb, 0 );
	ub       = this.setArg( ub, Number.infinity );
	if ( lb > ub )
	{
		this.devError( [lb, ub, this.elem.name] );
		return;
	}
	var fail = Boolean( isNaN( num ) || num != this.elem.value );
	if ( !fail )
	{
		switch( true )
		{
			case ( lb != false && ub != false ) : fail = !Boolean( lb <= num && num <= ub ); break;
			case ( lb != false ) : fail = Boolean( num < lb ); break;
			case ( ub != false ) : fail = Boolean( num > ub ); break;
		}
	}
	if ( fail )
	{
		this.throwError( [this.elem.fName] );
		return;
	}
	this.elemPass = true;
}
//	EOF