<?php
// L = Latin 1
// G = Greek
// C = Cyrillic
// E = Central Europe
// T = Turkish
// B = Baltic
// J = Japanese
// S = Simplified Chinese
// K = Korean
// H = Traditional Chinese
function codepage_convert ($str, $conv_to = 'UTF-8') {
	$sets = array ('L' => 'CP1252',
				   'G' => 'ISO-8859-7',
				   'C' => 'CP1251',
				   'E' => 'ISO-8859-2',
				   'T' => 'ISO-8859-9',
				   'B' => 'ISO-8859-13',
				   'J' => 'SJIS-win',
				   'S' => 'CP936',
				   'K' => 'CP949',
				   'H' => 'CP950');

	$tr_ptrn = array ("/\^d/", "/\^s/", "/\^c/", "/\^a/", "/\^q/", "/\^t/", "/\^l/", "/\^r/", "/\^v/");
	$tr_ptrn_r = array ("\\", "/", ":", "*", "?", "\"", "<", ">", "|");
	$str = preg_replace ($tr_ptrn, $tr_ptrn_r, $str);

	$newstr = $tmp = '';
	$current_cp = 'L';
	$len = strlen ($str);
	for ($i=0; $i<$len; $i++) {
		if ($str{$i} == '^' && isset ($sets[$str{$i+1}]) && $str{$i-1} != "^") {
			if ($tmp != '') {
				$newstr .= mb_convert_encoding ($tmp, $conv_to, $sets[$current_cp]);
				//$newstr .= iconv($sets[$current_cp], $conv_to, $tmp);
				$tmp = '';
			}
			$current_cp = $str{++$i};
		}
		// Filter out every character below 0x20
		else if (ord ($str{$i}) > 31)
			$tmp .= $str{$i};
	}
	if ($tmp != '')
		$newstr .= mb_convert_encoding ($tmp, $conv_to, $sets[$current_cp]);

	// Final special char to convert - could not do that before codepage conversion
	return str_replace ('^^', '^', $newstr);
}

function lfs_str_convert($str) // ???? ?????? ?????? ?????
{
	$str = codepage_convert($str);
	// Replace Set
	$replaceArray = array('000000','FF0000','00FF00','FFFF00','0000FF','FF00FF','00FFFF','FFFFFF');
	// Extra State Information
	$isTagOpen = FALSE;
	// Parse String
	for ($i = 0, $j = 1, $l = strlen($str); $i < $l; ++$i, ++$j)
	{
		/* Handle Color Codes */
		if ($str{$i} == '^' && is_numeric($str{$j}))
		{
			if ($isTagOpen == TRUE)
			{
				// Set State.
				$isTagOpen = FALSE;
				// Inject Close Tag
				$str = substr($str, 0, $i) . '</span>' . substr($str, $i);
				// Move Str pointers Past ?.
				$i += 7; $j += 7; $l = strlen($str);
			}
			if ($str{$j} < 8)
			{
				// Set State
				$isTagOpen = TRUE;
				// Inject HTML Markup
				$str = substr($str, 0, $i) . '<span style="color:#'.$replaceArray[$str[$j]].';">' . substr($str, $i);
				// Move Pointer Past The Change.
				$i += 29; $j += 29;
				// Get new String Length.
				$l = strlen($str);
			}
			// Remove The Formatting.
			$str = substr($str,0,$i).substr($str,$j+1);
		   // $str[$i] = NULL; # Remove ^.
		   // $str[$j] = NULL; # Remove Int.
		}
	}
	// Close any tag left open.
	if ($isTagOpen)
		$str .= '</span>';
	return $str;
}