<?php

//require_once 'PEAR.php';
require_once 'oleread.inc';

//define('Spreadsheet_Excel_Reader_HAVE_ICONV', function_exists('iconv'));
//define('Spreadsheet_Excel_Reader_HAVE_MB', function_exists('mb_convert_encoding'));

define('Spreadsheet_Excel_Reader_BIFF8', 0x600);
define('Spreadsheet_Excel_Reader_BIFF7', 0x500);
define('Spreadsheet_Excel_Reader_WorkbookGlobals', 0x5);
define('Spreadsheet_Excel_Reader_Worksheet', 0x10);

define('Spreadsheet_Excel_Reader_Type_BOF', 0x809);
define('Spreadsheet_Excel_Reader_Type_EOF', 0x0a);
define('Spreadsheet_Excel_Reader_Type_BOUNDSHEET', 0x85);
define('Spreadsheet_Excel_Reader_Type_DIMENSION', 0x200);
define('Spreadsheet_Excel_Reader_Type_ROW', 0x208);
define('Spreadsheet_Excel_Reader_Type_DBCELL', 0xd7);
define('Spreadsheet_Excel_Reader_Type_FILEPASS', 0x2f);
define('Spreadsheet_Excel_Reader_Type_NOTE', 0x1c);
define('Spreadsheet_Excel_Reader_Type_TXO', 0x1b6);
define('Spreadsheet_Excel_Reader_Type_RK', 0x7e);
define('Spreadsheet_Excel_Reader_Type_RK2', 0x27e);
define('Spreadsheet_Excel_Reader_Type_MULRK', 0xbd);
define('Spreadsheet_Excel_Reader_Type_MULBLANK', 0xbe);
define('Spreadsheet_Excel_Reader_Type_INDEX', 0x20b);
define('Spreadsheet_Excel_Reader_Type_SST', 0xfc);
define('Spreadsheet_Excel_Reader_Type_EXTSST', 0xff);
define('Spreadsheet_Excel_Reader_Type_CONTINUE', 0x3c);
define('Spreadsheet_Excel_Reader_Type_LABEL', 0x204);
define('Spreadsheet_Excel_Reader_Type_LABELSST', 0xfd);
define('Spreadsheet_Excel_Reader_Type_NUMBER', 0x203);
define('Spreadsheet_Excel_Reader_Type_NAME', 0x18);
define('Spreadsheet_Excel_Reader_Type_ARRAY', 0x221);
define('Spreadsheet_Excel_Reader_Type_STRING', 0x207);
define('Spreadsheet_Excel_Reader_Type_FORMULA', 0x406);
define('Spreadsheet_Excel_Reader_Type_FORMULA2', 0x6);
define('Spreadsheet_Excel_Reader_Type_FORMAT', 0x41e);
define('Spreadsheet_Excel_Reader_Type_XF', 0xe0);
define('Spreadsheet_Excel_Reader_Type_BOOLERR', 0x205);
define('Spreadsheet_Excel_Reader_Type_UNKNOWN', 0xffff);
define('Spreadsheet_Excel_Reader_Type_NINETEENFOUR', 0x22);
define('Spreadsheet_Excel_Reader_Type_MERGEDCELLS', 0xE5);

define('Spreadsheet_Excel_Reader_utcOffsetDays' , 25569);
define('Spreadsheet_Excel_Reader_utcOffsetDays1904', 24107);
define('Spreadsheet_Excel_Reader_msInADay', 24 * 60 * 60);

//define('Spreadsheet_Excel_Reader_DEF_NUM_FORMAT', "%.2f");
define('Spreadsheet_Excel_Reader_DEF_NUM_FORMAT', "%s");

// function file_get_contents for PHP < 4.3.0
// Thanks Marian Steinbach for this function
if (!function_exists('file_get_contents')) {
    function file_get_contents($filename, $use_include_path = 0) {
        $data = '';
        $file = @fopen($filename, "rb", $use_include_path);
        if ($file) {
            while (!feof($file)) $data .= fread($file, 1024);
            fclose($file);
        } else {
            // There was a problem opening the file
            $data = FALSE;
        }
        return $data;
    }
}


//class Spreadsheet_Excel_Reader extends PEAR {
class Spreadsheet_Excel_Reader {

    var $boundsheets = array();
    var $formatRecords = array();
    var $sst = array();
    var $sheets = array();
    var $data;
    var $pos;
    var $_ole;
    var $_defaultEncoding;
    var $_defaultFormat = Spreadsheet_Excel_Reader_DEF_NUM_FORMAT;
    var $_columnsFormat = array();
    var $_rowoffset = 1;
    var $_coloffset = 1;
    
    var $dateFormats = array (
        0xe => "d/m/Y",
        0xf => "d-M-Y",
        0x10 => "d-M",
        0x11 => "M-Y",
        0x12 => "h:i a",
        0x13 => "h:i:s a",
        0x14 => "H:i",
        0x15 => "H:i:s",
        0x16 => "d/m/Y H:i",
        0x2d => "i:s",
        0x2e => "H:i:s",
        0x2f => "i:s.S");

    var $numberFormats = array(
        0x1 => "%1.0f", // "0"
        0x2 => "%1.2f", // "0.00",
        0x3 => "%1.0f", //"#,##0",
        0x4 => "%1.2f", //"#,##0.00",
        0x5 => "%1.0f", /*"$#,##0;($#,##0)",*/
        0x6 => '$%1.0f', /*"$#,##0;($#,##0)",*/
        0x7 => '$%1.2f', //"$#,##0.00;($#,##0.00)",
        0x8 => '$%1.2f', //"$#,##0.00;($#,##0.00)",
        0x9 => '%1.0f%%', // "0%"
        0xa => '%1.2f%%', // "0.00%"
        0xb => '%1.2f', // 0.00E00",
        0x25 => '%1.0f', // "#,##0;(#,##0)",
        0x26 => '%1.0f', //"#,##0;(#,##0)",
        0x27 => '%1.2f', //"#,##0.00;(#,##0.00)",
        0x28 => '%1.2f', //"#,##0.00;(#,##0.00)",
        0x29 => '%1.0f', //"#,##0;(#,##0)",
        0x2a => '$%1.0f', //"$#,##0;($#,##0)",
        0x2b => '%1.2f', //"#,##0.00;(#,##0.00)",
        0x2c => '$%1.2f', //"$#,##0.00;($#,##0.00)",
        0x30 => '%1.0f'); //"##0.0E0";

    function Spreadsheet_Excel_Reader(){
        $this->_ole =& new OLERead();
        $this->setUTFEncoder('iconv');

    }

    function setOutputEncoding($Encoding){
        $this->_defaultEncoding = $Encoding;
    }

    /**
    *  $encoder = 'iconv' or 'mb'
    *  set iconv if you would like use 'iconv' for encode UTF-16LE to your encoding
    *  set mb if you would like use 'mb_convert_encoding' for encode UTF-16LE to your encoding
    */
    function setUTFEncoder($encoder = 'iconv'){
    	$this->_encoderFunction = '';
    	if ($encoder == 'iconv'){
        	$this->_encoderFunction = function_exists('iconv') ? 'iconv' : '';
        }elseif ($encoder == 'mb') {
        	$this->_encoderFunction = function_exists('mb_convert_encoding') ? 'mb_convert_encoding' : '';
    	}
    }

    function setRowColOffset($iOffset){
        $this->_rowoffset = $iOffset;
		$this->_coloffset = $iOffset;
    }

    function setDefaultFormat($sFormat){
        $this->_defaultFormat = $sFormat;
    }

    function setColumnFormat($column, $sFormat){
        $this->_columnsFormat[$column] = $sFormat;
    }


    function read($sFileName) {
    	$errlevel = error_reporting();
    	error_reporting($errlevel ^ E_NOTICE);
        $res = $this->_ole->read($sFileName);
        
        // oops, something goes wrong (Darko Miljanovic)
        if($res === false) {
        	// check error code
        	if($this->_ole->error == 1) {
        	// bad file
        		die('The filename ' . $sFileName . ' is not readable');	
        	}
        	// check other error codes here (eg bad fileformat, etc...)
        }

        $this->data = $this->_ole->getWorkBook();

        
        /*
        $res = $this->_ole->read($sFileName);

        if ($this->isError($res)) {
//		var_dump($res);		
            return $this->raiseError($res);
        }

        $total = $this->_ole->ppsTotal();
        for ($i = 0; $i < $total; $i++) {
            if ($this->_ole->isFile($i)) {
                $type = unpack("v", $this->_ole->getData($i, 0, 2));
                if ($type[''] == 0x0809)  { // check if it's a BIFF stream
                    $this->_index = $i;
                    $this->data = $this->_ole->getData($i, 0, $this->_ole->getDataLength($i));
                    break;
                }
            }
        }

        if ($this->_index === null) {
            return $this->raiseError("$file doesn't seem to be an Excel file");
        }
        
        */
		
		//var_dump($this->data);
	//echo "data =".$this->data;	
        $this->pos = 0;
        //$this->readRecords();
        $this->_parse();
    	error_reporting($errlevel);

    }

    function _parse(){
        $pos = 0;

        $code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;
        $length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

        $version = ord($this->data[$pos + 4]) | ord($this->data[$pos + 5])<<8;
        $substreamType = ord($this->data[$pos + 6]) | ord($this->data[$pos + 7])<<8;
        //echo "Start parse code=".base_convert($code,10,16)." version=".base_convert($version,10,16)." substreamType=".base_convert($substreamType,10,16).""."\n";

        if (($version != Spreadsheet_Excel_Reader_BIFF8) && ($version != Spreadsheet_Excel_Reader_BIFF7)) {
            return false;
        }

        if ($substreamType != Spreadsheet_Excel_Reader_WorkbookGlobals){
            return false;
        }

        //print_r($rec);
        $pos += $length + 4;

        $code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;
        $length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

        while ($code != Spreadsheet_Excel_Reader_Type_EOF){
            switch ($code) {
                case Spreadsheet_Excel_Reader_Type_SST:
                    //echo "Type_SST\n";
                     $spos = $pos + 4;
                     $limitpos = $spos + $length;
                     $uniqueStrings = $this->_GetInt4d($this->data, $spos+4);
                                                $spos += 8;
                                       for ($i = 0; $i < $uniqueStrings; $i++) {
        // Read in the number of characters
                                                if ($spos == $limitpos) {
                                                $opcode = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                                                $conlength = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                                                        if ($opcode != 0x3c) {
                                                                return -1;
                                                        }
                                                $spos += 4;
                                                $limitpos = $spos + $conlength;
                                                }
                                                $numChars = ord($this->data[$spos]) | (ord($this->data[$spos+1]) << 8);
                                                //echo "i = $i pos = $pos numChars = $numChars ";
                                                $spos += 2;
                                                $optionFlags = ord($this->data[$spos]);
                                                $spos++;
                                        $asciiEncoding = (($optionFlags & 0x01) == 0) ;
                                                $extendedString = ( ($optionFlags & 0x04) != 0);

                                                // See if string contains formatting information
                                                $richString = ( ($optionFlags & 0x08) != 0);

                                                if ($richString) {
                                        // Read in the crun
                                                        $formattingRuns = ord($this->data[$spos]) | (ord($this->data[$spos+1]) << 8);
                                                        $spos += 2;
                                                }

                                                if ($extendedString) {
                                                  // Read in cchExtRst
                                                  $extendedRunLength = $this->_GetInt4d($this->data, $spos);
                                                  $spos += 4;
                                                }

                                                $len = ($asciiEncoding)? $numChars : $numChars*2;
                                                if ($spos + $len < $limitpos) {
                                                                $retstr = substr($this->data, $spos, $len);
                                                                $spos += $len;
                                                }else{
                                                        // found countinue
                                                        $retstr = substr($this->data, $spos, $limitpos - $spos);
                                                        $bytesRead = $limitpos - $spos;
                                                        $charsLeft = $numChars - (($asciiEncoding) ? $bytesRead : ($bytesRead / 2));
                                                        $spos = $limitpos;

                                                         while ($charsLeft > 0){
                                                                $opcode = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                                                                $conlength = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                                                                        if ($opcode != 0x3c) {
                                                                                return -1;
                                                                        }
                                                                $spos += 4;
                                                                $limitpos = $spos + $conlength;
                                                                $option = ord($this->data[$spos]);
                                                                $spos += 1;
                                                                  if ($asciiEncoding && ($option == 0)) {
                                                                                $len = min($charsLeft, $limitpos - $spos); // min($charsLeft, $conlength);
                                                                    $retstr .= substr($this->data, $spos, $len);
                                                                    $charsLeft -= $len;
                                                                    $asciiEncoding = true;
                                                                  }elseif (!$asciiEncoding && ($option != 0)){
                                                                                $len = min($charsLeft * 2, $limitpos - $spos); // min($charsLeft, $conlength);
                                                                    $retstr .= substr($this->data, $spos, $len);
                                                                    $charsLeft -= $len/2;
                                                                    $asciiEncoding = false;
                                                                  }elseif (!$asciiEncoding && ($option == 0)) {
                                                                // Bummer - the string starts off as Unicode, but after the
                                                                // continuation it is in straightforward ASCII encoding
                                                                                $len = min($charsLeft, $limitpos - $spos); // min($charsLeft, $conlength);
                                                                        for ($j = 0; $j < $len; $j++) {
                                                                 $retstr .= $this->data[$spos + $j].chr(0);
                                                                }
                                                            $charsLeft -= $len;
                                                                $asciiEncoding = false;
                                                                  }else{
                                                            $newstr = '';
                                                                    for ($j = 0; $j < strlen($retstr); $j++) {
                                                                      $newstr = $retstr[$j].chr(0);
                                                                    }
                                                                    $retstr = $newstr;
                                                                                $len = min($charsLeft * 2, $limitpos - $spos); // min($charsLeft, $conlength);
                                                                    $retstr .= substr($this->data, $spos, $len);
                                                                    $charsLeft -= $len/2;
                                                                    $asciiEncoding = false;
                                                                        //echo "Izavrat\n";
                                                                  }
                                                          $spos += $len;

                                                         }
                                                }
                                                $retstr = ($asciiEncoding) ? $retstr : $this->_encodeUTF16($retstr);
//                                              echo "Str $i = $retstr\n";
                                        if ($richString){
                                                  $spos += 4 * $formattingRuns;
                                                }

                                                // For extended strings, skip over the extended string data
                                                if ($extendedString) {
                                                  $spos += $extendedRunLength;
                                                }
                                                        //if ($retstr == 'Derby'){
                                                        //      echo "bb\n";
                                                        //}
                                                $this->sst[]=$retstr;
                                       }
                    /*$continueRecords = array();
                    while ($this->getNextCode() == Type_CONTINUE) {
                        $continueRecords[] = &$this->nextRecord();
                    }
                    //echo " 1 Type_SST\n";
                    $this->shareStrings = new SSTRecord($r, $continueRecords);
                    //print_r($this->shareStrings->strings);
                     */
                     // echo 'SST read: '.($time_end-$time_start)."\n";
                    break;

                case Spreadsheet_Excel_Reader_Type_FILEPASS:
                    return false;
                    break;
                case Spreadsheet_Excel_Reader_Type_NAME:
                    //echo "Type_NAME\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_FORMAT:
                        $indexCode = ord($this->data[$pos+4]) | ord($this->data[$pos+5]) << 8;

                        if ($version == Spreadsheet_Excel_Reader_BIFF8) {
                            $numchars = ord($this->data[$pos+6]) | ord($this->data[$pos+7]) << 8;
                            if (ord($this->data[$pos+8]) == 0){
                                $formatString = substr($this->data, $pos+9, $numchars);
                            } else {
                                $formatString = substr($this->data, $pos+9, $numchars*2);
                            }
                        } else {
                            $numchars = ord($this->data[$pos+6]);
                            $formatString = substr($this->data, $pos+7, $numchars*2);
                        }

                    $this->formatRecords[$indexCode] = $formatString;
                   // echo "Type.FORMAT\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_XF:
                        //global $dateFormats, $numberFormats;
                        $indexCode = ord($this->data[$pos+6]) | ord($this->data[$pos+7]) << 8;
                        //echo "\nType.XF ".count($this->formatRecords['xfrecords'])." $indexCode ";
                        if (array_key_exists($indexCode, $this->dateFormats)) {
                            //echo "isdate ".$dateFormats[$indexCode];
                            $this->formatRecords['xfrecords'][] = array(
                                    'type' => 'date',
                                    'format' => $this->dateFormats[$indexCode]
                                    );
                        }elseif (array_key_exists($indexCode, $this->numberFormats)) {
                        //echo "isnumber ".$this->numberFormats[$indexCode];
                            $this->formatRecords['xfrecords'][] = array(
                                    'type' => 'number',
                                    'format' => $this->numberFormats[$indexCode]
                                    );
                        }else{
                            $isdate = FALSE;
                            if ($indexCode > 0){
                            	if (isset($this->formatRecords[$indexCode]))
                                	$formatstr = $this->formatRecords[$indexCode];
                                //echo '.other.';
                                //echo "\ndate-time=$formatstr=\n";
                                if ($formatstr)
                                if (preg_match("/[^hmsday\/\-:\s]/i", $formatstr) == 0) { // found day and time format
                                    $isdate = TRUE;
                                    $formatstr = str_replace('mm', 'i', $formatstr);
                                    $formatstr = str_replace('h', 'H', $formatstr);
                                    //echo "\ndate-time $formatstr \n";
                                }
                            }

                            if ($isdate){
                                $this->formatRecords['xfrecords'][] = array(
                                        'type' => 'date',
                                        'format' => $formatstr,
                                        );
                            }else{
                                $this->formatRecords['xfrecords'][] = array(
                                        'type' => 'other',
                                        'format' => '',
                                        'code' => $indexCode
                                        );
                            }
                        }
                        //echo "\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_NINETEENFOUR:
                    //echo "Type.NINETEENFOUR\n";
                    $this->nineteenFour = (ord($this->data[$pos+4]) == 1);
                    break;
                case Spreadsheet_Excel_Reader_Type_BOUNDSHEET:
                    //echo "Type.BOUNDSHEET\n";
                        $rec_offset = $this->_GetInt4d($this->data, $pos+4);
                        $rec_typeFlag = ord($this->data[$pos+8]);
                        $rec_visibilityFlag = ord($this->data[$pos+9]);
                        $rec_length = ord($this->data[$pos+10]);

                        if ($version == Spreadsheet_Excel_Reader_BIFF8){
                            $chartype =  ord($this->data[$pos+11]);
                            if ($chartype == 0){
                                $rec_name    = substr($this->data, $pos+12, $rec_length);
                            } else {
                                $rec_name    = $this->_encodeUTF16(substr($this->data, $pos+12, $rec_length*2));
                            }
                        }elseif ($version == Spreadsheet_Excel_Reader_BIFF7){
                                $rec_name    = substr($this->data, $pos+11, $rec_length);
                        }
                    $this->boundsheets[] = array('name'=>$rec_name,
                                                 'offset'=>$rec_offset);

                    break;

            }

            //echo "Code = ".base_convert($r['code'],10,16)."\n";
            $pos += $length + 4;
            $code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;
            $length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

            //$r = &$this->nextRecord();
            //echo "1 Code = ".base_convert($r['code'],10,16)."\n";
        }

        foreach ($this->boundsheets as $key=>$val){
            $this->sn = $key;
            $this->_parsesheet($val['offset']);
        }
        return true;

    }

    function _parsesheet($spos){
        $cont = true;
        // read BOF
        $code = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
        $length = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

        $version = ord($this->data[$spos + 4]) | ord($this->data[$spos + 5])<<8;
        $substreamType = ord($this->data[$spos + 6]) | ord($this->data[$spos + 7])<<8;

        if (($version != Spreadsheet_Excel_Reader_BIFF8) && ($version != Spreadsheet_Excel_Reader_BIFF7)) {
            return -1;
        }

        if ($substreamType != Spreadsheet_Excel_Reader_Worksheet){
            return -2;
        }
        //echo "Start parse code=".base_convert($code,10,16)." version=".base_convert($version,10,16)." substreamType=".base_convert($substreamType,10,16).""."\n";
        $spos += $length + 4;
        //var_dump($this->formatRecords);
	//echo "code $code $length";
        while($cont) {
            //echo "mem= ".memory_get_usage()."\n";
//            $r = &$this->file->nextRecord();
            $lowcode = ord($this->data[$spos]);
            if ($lowcode == Spreadsheet_Excel_Reader_Type_EOF) break;
            $code = $lowcode | ord($this->data[$spos+1])<<8;
            $length = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
            $spos += 4;
            $this->sheets[$this->sn]['maxrow'] = $this->_rowoffset - 1;
            $this->sheets[$this->sn]['maxcol'] = $this->_coloffset - 1;
            //echo "Code=".base_convert($code,10,16)." $code\n";
            unset($this->rectype);
            $this->multiplier = 1; // need for format with %
            switch ($code) {
                case Spreadsheet_Excel_Reader_Type_DIMENSION:
                    //echo 'Type_DIMENSION ';
                    if (!isset($this->numRows)) {
                        if (($length == 10) ||  ($version == Spreadsheet_Excel_Reader_BIFF7)){
                            $this->sheets[$this->sn]['numRows'] = ord($this->data[$spos+2]) | ord($this->data[$spos+3]) << 8;
                            $this->sheets[$this->sn]['numCols'] = ord($this->data[$spos+6]) | ord($this->data[$spos+7]) << 8;
                        } else {
                            $this->sheets[$this->sn]['numRows'] = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;
                            $this->sheets[$this->sn]['numCols'] = ord($this->data[$spos+10]) | ord($this->data[$spos+11]) << 8;
                        }
                    }
                    //echo 'numRows '.$this->numRows.' '.$this->numCols."\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_MERGEDCELLS:
                    $cellRanges = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    for ($i = 0; $i < $cellRanges; $i++) {
                        $fr =  ord($this->data[$spos + 8*$i + 2]) | ord($this->data[$spos + 8*$i + 3])<<8;
                        $lr =  ord($this->data[$spos + 8*$i + 4]) | ord($this->data[$spos + 8*$i + 5])<<8;
                        $fc =  ord($this->data[$spos + 8*$i + 6]) | ord($this->data[$spos + 8*$i + 7])<<8;
                        $lc =  ord($this->data[$spos + 8*$i + 8]) | ord($this->data[$spos + 8*$i + 9])<<8;
                        //$this->sheets[$this->sn]['mergedCells'][] = array($fr + 1, $fc + 1, $lr + 1, $lc + 1);
                        if ($lr - $fr > 0) {
                            $this->sheets[$this->sn]['cellsInfo'][$fr+1][$fc+1]['rowspan'] = $lr - $fr + 1;
                        }
                        if ($lc - $fc > 0) {
                            $this->sheets[$this->sn]['cellsInfo'][$fr+1][$fc+1]['colspan'] = $lc - $fc + 1;
                        }
                    }
                    //echo "Merged Cells $cellRanges $lr $fr $lc $fc\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_RK:
                case Spreadsheet_Excel_Reader_Type_RK2:
                    //echo 'Spreadsheet_Excel_Reader_Type_RK'."\n";
                    $row = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                    $rknum = $this->_GetInt4d($this->data, $spos + 6);
                    $numValue = $this->_GetIEEE754($rknum);
                    //echo $numValue." ";
                    if ($this->isDate($spos)) {
                        list($string, $raw) = $this->createDate($numValue);
                    }else{
                        $raw = $numValue;
                        if (isset($this->_columnsFormat[$column + 1])){
                                $this->curformat = $this->_columnsFormat[$column + 1];
                        }
                        $string = sprintf($this->curformat, $numValue * $this->multiplier);
                        //$this->addcell(RKRecord($r));
                    }
                    $this->addcell($row, $column, $string, $raw);
                    //echo "Type_RK $row $column $string $raw {$this->curformat}\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_LABELSST:
                        $row        = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                        $column     = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                        $xfindex    = ord($this->data[$spos+4]) | ord($this->data[$spos+5])<<8;
                        $index  = $this->_GetInt4d($this->data, $spos + 6);
			//var_dump($this->sst);
                        $this->addcell($row, $column, $this->sst[$index]);
                        //echo "LabelSST $row $column $string\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_MULRK:
                    $row        = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $colFirst   = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                    $colLast    = ord($this->data[$spos + $length - 2]) | ord($this->data[$spos + $length - 1])<<8;
                    $columns    = $colLast - $colFirst + 1;
                    $tmppos = $spos+4;
                    for ($i = 0; $i < $columns; $i++) {
                        $numValue = $this->_GetIEEE754($this->_GetInt4d($this->data, $tmppos + 2));
                        if ($this->isDate($tmppos-4)) {
                            list($string, $raw) = $this->createDate($numValue);
                        }else{
                            $raw = $numValue;
                            if (isset($this->_columnsFormat[$colFirst + $i + 1])){
                                        $this->curformat = $this->_columnsFormat[$colFirst + $i + 1];
                                }
                            $string = sprintf($this->curformat, $numValue * $this->multiplier);
                        }
                      //$rec['rknumbers'][$i]['xfindex'] = ord($rec['data'][$pos]) | ord($rec['data'][$pos+1]) << 8;
                      $tmppos += 6;
                      $this->addcell($row, $colFirst + $i, $string, $raw);
                      //echo "MULRK $row ".($colFirst + $i)." $string\n";
                    }
                     //MulRKRecord($r);
                    // Get the individual cell records from the multiple record
                     //$num = ;

                    break;
                case Spreadsheet_Excel_Reader_Type_NUMBER:
                    $row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                    $tmp = unpack("ddouble", substr($this->data, $spos + 6, 8)); // It machine machine dependent
                    if ($this->isDate($spos)) {
                        list($string, $raw) = $this->createDate($tmp['double']);
                     //   $this->addcell(DateRecord($r, 1));
                    }else{
                        //$raw = $tmp[''];
                        if (isset($this->_columnsFormat[$column + 1])){
                                $this->curformat = $this->_columnsFormat[$column + 1];
                        }
                        $raw = $this->createNumber($spos);
                        $string = sprintf($this->curformat, $raw * $this->multiplier);

                     //   $this->addcell(NumberRecord($r));
                    }
                    $this->addcell($row, $column, $string, $raw);
                    //echo "Number $row $column $string\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_FORMULA:
                case Spreadsheet_Excel_Reader_Type_FORMULA2:
                    $row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
					if ((ord($this->data[$spos+6])==0) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {
						//String formula. Result follows in a STRING record
					    //echo "FORMULA $row $column Formula with a string<br>\n";
					} elseif ((ord($this->data[$spos+6])==1) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {
						//Boolean formula. Result is in +2; 0=false,1=true
					} elseif ((ord($this->data[$spos+6])==2) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {
						//Error formula. Error code is in +2;
					} elseif ((ord($this->data[$spos+6])==3) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {
						//Formula result is a null string.
					} else {
						// result is a number, so first 14 bytes are just like a _NUMBER record
	                    $tmp = unpack("ddouble", substr($this->data, $spos + 6, 8)); // It machine machine dependent
	                    if ($this->isDate($spos)) {
	                        list($string, $raw) = $this->createDate($tmp['double']);
	                     //   $this->addcell(DateRecord($r, 1));
	                    }else{
	                        //$raw = $tmp[''];
	                        if (isset($this->_columnsFormat[$column + 1])){
	                                $this->curformat = $this->_columnsFormat[$column + 1];
	                        }
	                        $raw = $this->createNumber($spos);
							$string = sprintf($this->curformat, $raw * $this->multiplier);
	
	                     //   $this->addcell(NumberRecord($r));
	                    }
	                    $this->addcell($row, $column, $string, $raw);
	                    //echo "Number $row $column $string\n";
					}
					break;                    
                case Spreadsheet_Excel_Reader_Type_BOOLERR:
                    $row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                    $string = ord($this->data[$spos+6]);
                    $this->addcell($row, $column, $string);
                    //echo 'Type_BOOLERR '."\n";
                    break;
                case Spreadsheet_Excel_Reader_Type_ROW:
                case Spreadsheet_Excel_Reader_Type_DBCELL:
                case Spreadsheet_Excel_Reader_Type_MULBLANK:
                    break;
                case Spreadsheet_Excel_Reader_Type_LABEL:
                    $row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
                    $column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
                    $this->addcell($row, $column, substr($this->data, $spos + 8, ord($this->data[$spos + 6]) | ord($this->data[$spos + 7])<<8));

                   // $this->addcell(LabelRecord($r));
                    break;

                case Spreadsheet_Excel_Reader_Type_EOF:
                    $cont = false;
                    break;
                default:
                    //echo ' unknown :'.base_convert($r['code'],10,16)."\n";
                    break;

            }
            $spos += $length;
        }

        if (!isset($this->sheets[$this->sn]['numRows']))
        	 $this->sheets[$this->sn]['numRows'] = $this->sheets[$this->sn]['maxrow'];
        if (!isset($this->sheets[$this->sn]['numCols']))
        	 $this->sheets[$this->sn]['numCols'] = $this->sheets[$this->sn]['maxcol'];

    }

    function isDate($spos){
        //$xfindex = GetInt2d(, 4);
        $xfindex = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;
        //echo 'check is date '.$xfindex.' '.$this->formatRecords['xfrecords'][$xfindex]['type']."\n";
        //var_dump($this->formatRecords['xfrecords'][$xfindex]);
        if ($this->formatRecords['xfrecords'][$xfindex]['type'] == 'date') {
            $this->curformat = $this->formatRecords['xfrecords'][$xfindex]['format'];
            $this->rectype = 'date';
            return true;
        } else {
            if ($this->formatRecords['xfrecords'][$xfindex]['type'] == 'number') {
                $this->curformat = $this->formatRecords['xfrecords'][$xfindex]['format'];
                $this->rectype = 'number';
                if (($xfindex == 0x9) || ($xfindex == 0xa)){
                    $this->multiplier = 100;
                }
            }else{
                $this->curformat = $this->_defaultFormat;
                $this->rectype = 'unknown';
            }
            return false;
        }
    }

    function createDate($numValue){
        if ($numValue > 1){
            $utcDays = $numValue - ($this->nineteenFour ? Spreadsheet_Excel_Reader_utcOffsetDays1904 : Spreadsheet_Excel_Reader_utcOffsetDays);
            $utcValue = round($utcDays * Spreadsheet_Excel_Reader_msInADay);
            $string = date ($this->curformat, $utcValue);
            $raw = $utcValue;
        }else{
            $raw = $numValue;
            $hours = floor($numValue * 24);
            $mins = floor($numValue * 24 * 60) - $hours * 60;
            $secs = floor($numValue * Spreadsheet_Excel_Reader_msInADay) - $hours * 60 * 60 - $mins * 60;
            $string = date ($this->curformat, mktime($hours, $mins, $secs));
        }
        return array($string, $raw);
    }

    function createNumber($spos){
		$rknumhigh = $this->_GetInt4d($this->data, $spos + 10);
		$rknumlow = $this->_GetInt4d($this->data, $spos + 6);
		//for ($i=0; $i<8; $i++) { echo ord($this->data[$i+$spos+6]) . " "; } echo "<br>";
		$sign = ($rknumhigh & 0x80000000) >> 31;
		$exp =  ($rknumhigh & 0x7ff00000) >> 20;
		$mantissa = (0x100000 | ($rknumhigh & 0x000fffff));
		$mantissalow1 = ($rknumlow & 0x80000000) >> 31;
		$mantissalow2 = ($rknumlow & 0x7fffffff);
		$value = $mantissa / pow( 2 , (20- ($exp - 1023)));
		if ($mantissalow1 != 0) $value += 1 / pow (2 , (21 - ($exp - 1023)));
		$value += $mantissalow2 / pow (2 , (52 - ($exp - 1023)));
		//echo "Sign = $sign, Exp = $exp, mantissahighx = $mantissa, mantissalow1 = $mantissalow1, mantissalow2 = $mantissalow2<br>\n";
		if ($sign) {$value = -1 * $value;}
		return  $value;
    }

    function addcell($row, $col, $string, $raw = ''){
        //echo "ADD cel $row-$col $string\n";
        $this->sheets[$this->sn]['maxrow'] = max($this->sheets[$this->sn]['maxrow'], $row + $this->_rowoffset);
        $this->sheets[$this->sn]['maxcol'] = max($this->sheets[$this->sn]['maxcol'], $col + $this->_coloffset);
        $this->sheets[$this->sn]['cells'][$row + $this->_rowoffset][$col + $this->_coloffset] = $string;
        if ($raw)
            $this->sheets[$this->sn]['cellsInfo'][$row + $this->_rowoffset][$col + $this->_coloffset]['raw'] = $raw;
        if (isset($this->rectype))
            $this->sheets[$this->sn]['cellsInfo'][$row + $this->_rowoffset][$col + $this->_coloffset]['type'] = $this->rectype;

    }


    function _GetIEEE754($rknum){
        if (($rknum & 0x02) != 0) {
                $value = $rknum >> 2;
        } else {
//mmp
// first comment out the previously existing 7 lines of code here
//                $tmp = unpack("d", pack("VV", 0, ($rknum & 0xfffffffc)));
//                //$value = $tmp[''];
//                if (array_key_exists(1, $tmp)) {
//                    $value = $tmp[1];
//                } else {
//                    $value = $tmp[''];
//                }
// I got my info on IEEE754 encoding from 
// http://research.microsoft.com/~hollasch/cgindex/coding/ieeefloat.html
// The RK format calls for using only the most significant 30 bits of the
// 64 bit floating point value. The other 34 bits are assumed to be 0
// So, we use the upper 30 bits of $rknum as follows...
 		$sign = ($rknum & 0x80000000) >> 31;
		$exp = ($rknum & 0x7ff00000) >> 20;
		$mantissa = (0x100000 | ($rknum & 0x000ffffc));
		$value = $mantissa / pow( 2 , (20- ($exp - 1023)));
		if ($sign) {$value = -1 * $value;}
//end of changes by mmp		

        }

        if (($rknum & 0x01) != 0) {
            $value /= 100;
        }
        return $value;
    }

    function _encodeUTF16($string){
    	$result = $string;
        if ($this->_defaultEncoding){
        	switch ($this->_encoderFunction){
        		case 'iconv' : 	$result = iconv('UTF-16LE', $this->_defaultEncoding, $string);
        						break;
        		case 'mb_convert_encoding' : 	$result = mb_convert_encoding($string, $this->_defaultEncoding, 'UTF-16LE' );
        						break;
        	}
        }
        return $result;
    }

    function _GetInt4d($data, $pos) {
        return ord($data[$pos]) | (ord($data[$pos+1]) << 8) | (ord($data[$pos+2]) << 16) | (ord($data[$pos+3]) << 24);
    }


}


?>
