<?php

//////////////////////////////////////////////////////////////
//                      Legal Notice                        //
//                                                          //
// The contents of this file are copyrighted and are the    //
// sole property of Ryan Schoen. Any unauthorized           //
// duplication, distribution, or reproduction will          //
// constitute an infringement of copyright. By editing this //
// file, you agree that all contributions and modifications //
// to its contents become the sole property of Ryan Schoen. //
//                                                          //
// (c) Copyright 2006 Ryan Schoen. All rights reserved.     //
//////////////////////////////////////////////////////////////

function deZero($string) //string
{
	$string = preg_replace("/\.([^0]*)0+$/",".\\1",$string);
	$string = preg_replace("/\.$/","",$string);
	return $string;
}

function format($text,$style) //string
{
	if($style & FORMAT_REMOVE_HTML)
	{
		$text = htmlentities($text,ENT_QUOTES);
 	}
 	if($style & FORMAT_ADD_SLASHES)
 	{
		$text = addslashes($text);
  	}
  	if($style & FORMAT_RXML_FORMATTING)
  	{

		$find    = array (
		    '/\[li\](.*)\n?/',
		    '/\n/',
		    '/  /',
		    '/\[b\]/',
		    '/\[i\]/',
		    '/\[u\]/',
		    '/\[s\]/',
		    '/\[center\]/',
		    '/\[\/b\]/',
		    '/\[\/i\]/',
		    '/\[\/u\]/',
		    '/\[\/s\]/',
		    '/\[\/center\]/',
		    '/\[color=(.*?)\]/',
		    '/\[\/color\]/',
		    '/arsenal/');
		$replace = array (
		    '<li class=forum>$1</li>',
		    '<br>',
		    ' &nbsp;',
		    '<b>',
		    '<i>',
		    '<u>',
		    '<s>',
		    '<center>',
		    '</b>',
		    '</i>',
		    '</u>',
		    '</s>',
		    '</center>',
		    '<font color=\'\\1\'>',
		    '</font>',
		    '&#97;rsenal');
		$text = preg_replace($find,$replace,$text);

		/*global $loggedid;
		if(!empty($loggedid))
		{

			$find    = array ('/\[id\]/', '/\[name\]/');
			$replace = array ($loggedid,  getName($loggedid));
			$text = preg_replace($find,$replace,$text);
  		}*/

		$find =    array( '/\[([^\]]+)\[([^\]]+)\]([^\]]+)\]/');//, '/\[([^\]]+)\]([^\]]+)\]/');
		$replace = array( '[\\1&#91;\\2&#93;\\3]');//,            '[\\1&#93;\\2]');
		do {
		$text = preg_replace($find,$replace,$text,-1,$count);
		} while($count > 0);


   	}
   	if($style & FORMAT_SMILIES)
   	{
		$find    = array (
    '/(:-?\))/',
    '/(t\(\-_\-\(t)/',
    '/(:-?\|)/',
    '/(:-?\()/',
    '/(: -?(P|p))/',
    '/(;-?\))/',
    '/:-?(\\\|\/)([^\/])/',
    '/(:-?(D|d))/',
    "/(:\*\()/",
    '/(((o\.O)|(O\.o)))/',
    '/(\^_\^)/',
    '/(:-?X)/i' );
		$replace = array (
    smiley('happy'),
    smiley('tease'),
    smiley('blah'),
    smiley('sad'),
    smiley('tongue'),
    smiley('wink'),
    smiley('unsure')."\\2",
    smiley('laugh'),
    smiley('cry'),
    smiley('oO'),
    smiley('^_^'),
    smiley('mute') );
		$text = preg_replace($find,$replace,$text);
    	}
    	if($style & FORMAT_LINKS)
    	{
		// Linking
		$find    = array (
		    '/\[(link|url)=(http:[^\s]*?)\](.*?)\[\/(link|url)\]/',
		    '/\[(\d+)\]/e',
		    '/\[(house|id)=(\d+)\]([^\[]+)\[\/(id|house)\]/e',
		    '/\[pm=(\d+)\]([^\[]+)\[\/pm\]/e',
		    '/\[post=(\d+)\]([^\[]+)\[\/post]/e',
		    '/\[tos=([0-9IVX\.]+)\]/e',
		    '/\[clan=(\d+)\]([^\[]+)\[\/clan\]/e' );
		$replace = array (
		    '<a href="link.php?address=\\2" title="Link: \\2" target=_blank>\\3</a>',
		    'linkToID(\\1)',
		    'linkTo("house.php?id=\\2","\\3")',
		    'linkTo("pm.php?action=form&id=\\1","\\2")',
		    'linkTo("posts.php?postid=\\1","\\2")',
		    'linkTo("tos.php?section=\\1","ToS - Section \\1")',
		    'linkTo("lodge.php?action=details&clan=\\1","\\2")');
		$text = preg_replace($find,$replace,$text);

		//$text = preg_replace('/\[out=([^\]]*?)\](.*?)\[\/out\]/','<a href="out.php?$1" target=_blank>$2</a>',$text);

     	}
     	if($style & FORMAT_PICTURES)
     	{
		$find    = array (
		    '/\[img=http:([^\s]*?\.(gif|jpg|jpeg|png|bmp|tif|tiff))\]/',
		    '/(pwned\.)/i');
		$replace = array (
		    '<img src="http:\\1">',
		    '<img src=img/pwned.gif old=\\1>' );
		$text = preg_replace($find,$replace,$text);
      	}
      	if($style & FORMAT_DYNAMIC_LINKS)
      	{
		$text = formatNews($text);
       	}
       	if($style & FORMAT_SPELLCHECK)
       	{
		$text = spellcheck($text);
	}
	if($style & FORMAT_REMOVE_LISTS)
	{
		$text = preg_replace("/<\/li>/","<br>",$text);
		$text = preg_replace("/<li[^>]*>/"," - ",$text);
		$text = preg_replace("/<\/?b>/","",$text);
	}


	return $text;

}

function showBar($color1,$color2,$percent1) //string
{
	$percent2 = round((100 - $percent1),0);
	$percent1 = round($percent1,0);
	return "<img src=img/$color1.jpg width=$percent1 height=7><img src=img/$color2.jpg width=$percent2 height=7>";
}

function smiley($smiley) //string
{
 	global $loggedid;
 	static $smileypreference;
 	if(empty($smileypreference) && !empty($loggedid)) $smileypreference = getSetting($loggedid,SETTING_SMILEY_PREFERENCE);
 	if(!empty($loggedid) AND $smileypreference == "x2") $string = "<img class=smileyold src=img/smileys/".$smiley."_old.gif old=\\1>";
	else $string = "<img class=smiley src=img/smileys/$smiley.gif old=\\1>";
	return $string;
}

function roundDown($number,$precision=0) //float
{
	if(!is_numeric($number)) error("Trying to round non-numeric number.");
        $number = preg_replace("/\.([0-9]{".$precision."}).*$/",".$1",$number);
        $number = deZero($number);
        return $number;
}

function is_number($number,$allownegative=false,$allowdecimal=false) //bool
{
	if($allowdecimal == true) return is_numeric($number);
	elseif($allownegative == true) return ereg("^-?[0-9]+$",$number);
	else return ereg("^[0-9]+$",$number);
}


function pages($url,$pages,$page,$separator=" ") //string
{
	if(!is_number($pages)) error("Invalid number of pages!");
	if(!is_number($page)) error("Invalid current page!");
	if($pages <= 1) return;
	$return = "Page: ";
	for($i=1; $i<=$pages; $i++)
	{
		if($i == $page) $return .= "$i$separator";
		else
		{
			$newurl = $url;
			if(ereg("\?",$url)) $newurl = "$url&page=$i";
			else $newurl = "$url?page=$i";
			$return .= linkTo($newurl,"$i$separator");
  		}
 	}
 	$return = preg_replace("/$separator$/","",$return);
 	return $return;

}

function filter($text,$popup=true) //string
{
	global $loggedid,$global,$curses,$notcurses;
	static $filter;
	if(!empty($loggedid))
	{
		if(!isset($filter[$loggedid])) $filter[$loggedid] = getSetting($loggedid,SETTING_FILTER);
		if(!$filter[$loggedid]) return $text;
	}

	$replacedcurses = array();
	foreach($notcurses as $notcurse)
	{
		if(eregi($notcurse,$text))
		{
			$letters = preg_split("//",$notcurse,-1,PREG_SPLIT_NO_EMPTY);
			$find = $replace = '';
			$i = 0;
			foreach($letters as $letter)
			{
				$i++;
				$find .= "($letter)";
				$replace .= "\\$i.";
			}
			$replace = substr($replace,0,strlen($replace)-1);
			$text = preg_replace("/$find/",$replace,$text);
			$replacedcurses[$notcurse] = $letters;
		}
	}

	global $curses;
	foreach($curses as $word) {
		$word = base64_decode($word);
		$replacement = str_repeat("*",strlen($word));
		if($popup) $replacement = "<a href='javascript:void(0)' style='text-decoration: none' title='$word' onMouseOver=\"window.status='Filtered'; return true\" onMouseOut=\"window.status=''; return true\"><font color=white>$replacement</font></a>";
		$text = preg_replace("/$word/i",$replacement,$text);
	}

	foreach($replacedcurses as $replacedcurse => $letters)
	{
		$find = $replace = '';
		foreach($letters as $letter)
		{
			$find .= "$letter\\.";
			$replace .= $letter;
		}
		$find = substr($find,0,strlen($find)-2);
		$text = preg_replace("/$find/",$replace,$text);
	}


	return $text;
}

function button($text,$link) //string
{
	return "<input type=button value=\"$text\" onClick=\"window.location='".encodeURL($link)."'\">";
}


function getNumberOfCurses($text) //int
{
	global $curses;
	$numberOfCurses = 0;
	foreach($curses as $curse)
	{
		$curse = base64_decode($curse);
		$pos = -1;
		while(1)
		{
			$pos = strpos($text,$curse,$pos+1);
			if($pos === FALSE) break;
			$numberOfCurses++;
  		}
 	}
 	return $numberOfCurses;
}

function forumPopup($popup)
{
	if(strlen($popup) > FORUM_PREVIEW_LENGTH) $popup = substr($popup,0,FORUM_PREVIEW_LENGTH-3)."...";
	$popup = filter(format($popup,FORMAT_POPUP),false);
	if(strpos($_SERVER['HTTP_USER_AGENT'],'ie') ==! 0) $popup = stri_replace("/<br>/","\n",$popup);
	return $popup;
}

function spellcheck($text)
{
	global $loggedid;
	if(empty($loggedid)) $dialect = DIALECT_AMERICAN;
	else $dialect = getSetting($loggedid,SETTING_SPELLCHECK_DIALECT);

	$origtext = $text;
	$text = strip_tags($text);

	$dictionary = pspell_new("en",$dialect,"","",PSPELL_FAST);
	$words = preg_split("/[^A-Za-z']/",$text);
	$words = array_unique($words);

	foreach($words as $word)
	{
		if(ereg("[A-Za-z]",$word) AND pspell_check($dictionary,$word) === false)
		{
			$suggestions = pspell_suggest($dictionary,$word);
			$suggestionstring = '';
			foreach($suggestions as $suggestion) $suggestionstring .= "$suggestion<br>";
			$suggestionstring = preg_replace("/<br>$/","",$suggestionstring);

			$origtext = preg_replace("/\\b$word\\b/",CSSPopup($word,$suggestionstring),$origtext);
		}
	}
	return $origtext;
}

function simplifyQuantity($quant) //int
{
	$quant = str_replace(",","",$quant);
	$quant = preg_replace("/\.[0-9]+/","",$quant);
	$quant = str_ireplace("k","000",$quant);
	$quant = str_ireplace("m","000",$quant);
	if(!ereg("^[0-9]+$",$quant)) $quant = 0;
	return $quant;
}

function colorName2Hex($color) {

	if(!preg_match("/\#([a-fA-F0-9]{3}|[a-fA-F0-9]{6})/", $color) && !preg_match("/([a-fA-F0-9]{3}|[a-fA-F0-9]{6})/", $color)){

		$color = strtolower($color);
		$colors = array(
		    "aliceblue" => "f0f8ff",
		    "antiquewhite" => "faebd7",
		    "aqua" => "00ffff",
		    "aquamarine" => "7fffd4",
		    "azure" => "f0ffff",
		    "beige" => "f5f5dc",
		    "bisque" => "ffe4c4",
		    "black" => "000000",
		    "blanchedalmond" => "ffebcd",
		    "blue" => "0000ff",
		    "blueviolet" => "8a2be2",
		    "brown" => "a52a2a",
		    "burlywood" => "deb887",
		    "cadetblue" => "5f9ea0",
		    "chartreuse" => "7fff00",
		    "chocolate" => "d2691e",
		    "coral" => "ff7f50",
		    "cornflowerblue" => "6495ed",
		    "cornsilk" => "fff8dc",
		    "crimson" => "dc143c",
		    "cyan" => "00ffff",
		    "darkblue" => "00008b",
		    "darkcyan" => "008b8b",
		    "darkgoldenrod" => "b8860b",
		    "darkgray" => "a9a9a9",
		    "darkgreen" => "006400",
		    "darkkhaki" => "bdb76b",
		    "darkmagenta" => "8b008b",
		    "darkolivegreen" => "556b2f",
		    "darkorange" => "ff8c00",
		    "darkorchid" => "9932cc",
		    "darkred" => "8b0000",
		    "darksalmon" => "e9967a",
		    "darkseagreen" => "8fbc8f",
		    "darkslateblue" => "483d8b",
		    "darkslategray" => "2f4f4f",
		    "darkturquoise" => "00ced1",
		    "darkviolet" => "9400d3",
		    "deeppink" => "ff1493",
		    "deepskyblue" => "00bfff",
		    "dimgray" => "696969",
		    "dodgerblue" => "1e90ff",
		    "feldspar" => "d19275",
		    "firebrick" => "b22222",
		    "floralwhite" => "fffaf0",
		    "forestgreen" => "228b22",
		    "fuchsia" => "ff00ff",
		    "gainsboro" => "dcdcdc",
		    "ghostwhite" => "f8f8ff",
		    "gold" => "ffd700",
		    "goldenrod" => "daa520",
		    "gray" => "808080",
		    "green" => "008000",
		    "greenyellow" => "adff2f",
		    "honeydew" => "f0fff0",
		    "hotpink" => "ff69b4",
		    "indianred " => "cd5c5c",
		    "indigo " => "4b0082",
		    "ivory" => "fffff0",
		    "khaki" => "f0e68c",
		    "lavender" => "e6e6fa",
		    "lavenderblush" => "fff0f5",
		    "lawngreen" => "7cfc00",
		    "lemonchiffon" => "fffacd",
		    "lightblue" => "add8e6",
		    "lightcoral" => "f08080",
		    "lightcyan" => "e0ffff",
		    "lightgoldenrodyellow" => "fafad2",
		    "lightgrey" => "d3d3d3",
		    "lightgreen" => "90ee90",
		    "lightpink" => "ffb6c1",
		    "lightsalmon" => "ffa07a",
		    "lightseagreen" => "20b2aa",
		    "lightskyblue" => "87cefa",
		    "lightslateblue" => "8470ff",
		    "lightslategray" => "778899",
		    "lightsteelblue" => "b0c4de",
		    "lightyellow" => "ffffe0",
		    "lime" => "00ff00",
		    "limegreen" => "32cd32",
		    "linen" => "faf0e6",
		    "magenta" => "ff00ff",
		    "maroon" => "800000",
		    "mediumaquamarine" => "66cdaa",
		    "mediumblue" => "0000cd",
		    "mediumorchid" => "ba55d3",
		    "mediumpurple" => "9370d8",
		    "mediumseagreen" => "3cb371",
		    "mediumslateblue" => "7b68ee",
		    "mediumspringgreen" => "00fa9a",
		    "mediumturquoise" => "48d1cc",
		    "mediumvioletred" => "c71585",
		    "midnightblue" => "191970",
		    "mintcream" => "f5fffa",
		    "mistyrose" => "ffe4e1",
		    "moccasin" => "ffe4b5",
		    "navajowhite" => "ffdead",
		    "navy" => "000080",
		    "oldlace" => "fdf5e6",
		    "olive" => "808000",
		    "olivedrab" => "6b8e23",
		    "orange" => "ffa500",
		    "orangered" => "ff4500",
		    "orchid" => "da70d6",
		    "palegoldenrod" => "eee8aa",
		    "palegreen" => "98fb98",
		    "paleturquoise" => "afeeee",
		    "palevioletred" => "d87093",
		    "papayawhip" => "ffefd5",
		    "peachpuff" => "ffdab9",
		    "peru" => "cd853f",
		    "pink" => "ffc0cb",
		    "plum" => "dda0dd",
		    "powderblue" => "b0e0e6",
		    "purple" => "800080",
		    "red" => "ff0000",
		    "rosybrown" => "bc8f8f",
		    "royalblue" => "4169e1",
		    "saddlebrown" => "8b4513",
		    "salmon" => "fa8072",
		    "sandybrown" => "f4a460",
		    "seagreen" => "2e8b57",
		    "seashell" => "fff5ee",
		    "sienna" => "a0522d",
		    "silver" => "c0c0c0",
		    "skyblue" => "87ceeb",
		    "slateblue" => "6a5acd",
		    "slategray" => "708090",
		    "snow" => "fffafa",
		    "springgreen" => "00ff7f",
		    "steelblue" => "4682b4",
		    "tan" => "d2b48c",
		    "teal" => "008080",
		    "thistle" => "d8bfd8",
		    "tomato" => "ff6347",
		    "turquoise" => "40e0d0",
		    "violet" => "ee82ee",
		    "violetred" => "d02090",
		    "wheat" => "f5deb3",
		    "white" => "ffffff",
		    "whitesmoke" => "f5f5f5",
		    "yellow" => "ffff00",
		    "yellowgreen" => "9acd32");

		//$key = array_search($color, $colors);

		if($colors[$color])
			return $colors[$color];
		else
			return "000000";

	} else {

		return substr($color, 1); // Remove the hash

	}
}