CSV.php

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<?php
if (!defined('PHPEXCEL_ROOT')) {
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
        require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
 
class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
{
        private $_inputEncoding = 'UTF-8';
 
        private $_delimiter             = ',';
 
        private $_enclosure             = '"';
 
        private $_sheetIndex    = 0;
 
        private $_contiguous    = false;
 
        private $_contiguousRow = -1;
 
 
        public function __construct() {
                $this->_readFilter              = new PHPExcel_Reader_DefaultReadFilter();
        }
 
        protected function _isValidFormat()
        {
                return TRUE;
        }
 
        public function setInputEncoding($pValue = 'UTF-8')
        {
                $this->_inputEncoding = $pValue;
                return $this;
        }
 
        public function getInputEncoding()
        {
                return $this->_inputEncoding;
        }
 
        protected function _skipBOM()
        {
                rewind($this->_fileHandle);
 
                switch ($this->_inputEncoding) {
                        case 'UTF-8':
                                fgets($this->_fileHandle, 4) == "\xEF\xBB\xBF" ?
                                        fseek($this->_fileHandle, 3) : fseek($this->_fileHandle, 0);
                                break;
                        case 'UTF-16LE':
                                fgets($this->_fileHandle, 3) == "\xFF\xFE" ?
                                        fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
                                break;
                        case 'UTF-16BE':
                                fgets($this->_fileHandle, 3) == "\xFE\xFF" ?
                                        fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
                                break;
                        case 'UTF-32LE':
                                fgets($this->_fileHandle, 5) == "\xFF\xFE\x00\x00" ?
                                        fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
                                break;
                        case 'UTF-32BE':
                                fgets($this->_fileHandle, 5) == "\x00\x00\xFE\xFF" ?
                                        fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
                                break;
                        default:
                                break;
                }
        }
 
        public function listWorksheetInfo($pFilename)
        {
                // Open file
                $this->_openFile($pFilename);
                if (!$this->_isValidFormat()) {
                        fclose ($this->_fileHandle);
                        throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
                }
                $fileHandle = $this->_fileHandle;
 
                // Skip BOM, if any
                $this->_skipBOM();
 
                $escapeEnclosures = array( "\\" . $this->_enclosure, $this->_enclosure . $this->_enclosure );
 
                $worksheetInfo = array();
                $worksheetInfo[0]['worksheetName'] = 'Worksheet';
                $worksheetInfo[0]['lastColumnLetter'] = 'A';
                $worksheetInfo[0]['lastColumnIndex'] = 0;
                $worksheetInfo[0]['totalRows'] = 0;
                $worksheetInfo[0]['totalColumns'] = 0;
 
                // Loop through each line of the file in turn
                while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
                        $worksheetInfo[0]['totalRows']++;
                        $worksheetInfo[0]['lastColumnIndex'] = max($worksheetInfo[0]['lastColumnIndex'], count($rowData) - 1);
                }
 
                $worksheetInfo[0]['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($worksheetInfo[0]['lastColumnIndex']);
                $worksheetInfo[0]['totalColumns'] = $worksheetInfo[0]['lastColumnIndex'] + 1;
 
                // Close file
                fclose($fileHandle);
 
                return $worksheetInfo;
        }
 
        public function load($pFilename)
        {
                // Create new PHPExcel
                $objPHPExcel = new PHPExcel();
 
                // Load into this instance
                return $this->loadIntoExisting($pFilename, $objPHPExcel);
        }
 
        public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
        {
                $lineEnding = ini_get('auto_detect_line_endings');
                ini_set('auto_detect_line_endings', true);
 
                // Open file
                $this->_openFile($pFilename);
                if (!$this->_isValidFormat()) {
                        fclose ($this->_fileHandle);
                        throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
                }
                $fileHandle = $this->_fileHandle;
 
                // Skip BOM, if any
                $this->_skipBOM();
 
                // Create new PHPExcel object
                while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
                        $objPHPExcel->createSheet();
                }
                $sheet = $objPHPExcel->setActiveSheetIndex($this->_sheetIndex);
 
                $escapeEnclosures = array( "\\" . $this->_enclosure,
                                                                   $this->_enclosure . $this->_enclosure
                                                                 );
 
                // Set our starting row based on whether we're in contiguous mode or not
                $currentRow = 1;
                if ($this->_contiguous) {
                        $currentRow = ($this->_contiguousRow == -1) ? $sheet->getHighestRow(): $this->_contiguousRow;
                }
 
                // Loop through each line of the file in turn
                while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
                        $columnLetter = 'A';
                        foreach($rowData as $rowDatum) {
                                if ($rowDatum != '' && $this->_readFilter->readCell($columnLetter, $currentRow)) {
                                        // Unescape enclosures
                                        $rowDatum = str_replace($escapeEnclosures, $this->_enclosure, $rowDatum);
 
                                        // Convert encoding if necessary
                                        if ($this->_inputEncoding !== 'UTF-8') {
                                                $rowDatum = PHPExcel_Shared_String::ConvertEncoding($rowDatum, 'UTF-8', $this->_inputEncoding);
                                        }
 
                                        // Set cell value
                                        $sheet->getCell($columnLetter . $currentRow)->setValue($rowDatum);
                                }
                                ++$columnLetter;
                        }
                        ++$currentRow;
                }
 
                // Close file
                fclose($fileHandle);
 
                if ($this->_contiguous) {
                        $this->_contiguousRow = $currentRow;
                }
 
                ini_set('auto_detect_line_endings', $lineEnding);
 
                // Return
                return $objPHPExcel;
        }
 
        public function getDelimiter() {
                return $this->_delimiter;
        }
 
        public function setDelimiter($pValue = ',') {
                $this->_delimiter = $pValue;
                return $this;
        }
 
        public function getEnclosure() {
                return $this->_enclosure;
        }
 
        public function setEnclosure($pValue = '"') {
                if ($pValue == '') {
                        $pValue = '"';
                }
                $this->_enclosure = $pValue;
                return $this;
        }
 
        public function getSheetIndex() {
                return $this->_sheetIndex;
        }
 
        public function setSheetIndex($pValue = 0) {
                $this->_sheetIndex = $pValue;
                return $this;
        }
 
        public function setContiguous($contiguous = FALSE)
        {
                $this->_contiguous = (bool) $contiguous;
                if (!$contiguous) {
                        $this->_contiguousRow = -1;
                }
 
                return $this;
        }
 
        public function getContiguous() {
                return $this->_contiguous;
        }
 
}