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File Name : Csv.php

<?php

namespace PhpOffice\PhpSpreadsheet\Reader;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Reader\Csv\Delimiter;
use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use Throwable;

class Csv extends BaseReader
{
    const DEFAULT_FALLBACK_ENCODING = 'CP1252';
    const GUESS_ENCODING = 'guess';
    const UTF8_BOM = "\xEF\xBB\xBF";
    const UTF8_BOM_LEN = 3;
    const UTF16BE_BOM = "\xfe\xff";
    const UTF16BE_BOM_LEN = 2;
    const UTF16BE_LF = "\x00\x0a";
    const UTF16LE_BOM = "\xff\xfe";
    const UTF16LE_BOM_LEN = 2;
    const UTF16LE_LF = "\x0a\x00";
    const UTF32BE_BOM = "\x00\x00\xfe\xff";
    const UTF32BE_BOM_LEN = 4;
    const UTF32BE_LF = "\x00\x00\x00\x0a";
    const UTF32LE_BOM = "\xff\xfe\x00\x00";
    const UTF32LE_BOM_LEN = 4;
    const UTF32LE_LF = "\x0a\x00\x00\x00";

/**
     * Input encoding.
     *
     * @var string
     */
    private $inputEncoding = 'UTF-8';

/**
     * Fallback encoding if guess strikes out.
     *
     * @var string
     */
    private $fallbackEncoding = self::DEFAULT_FALLBACK_ENCODING;

/**
     * Delimiter.
     *
     * @var ?string
     */
    private $delimiter;

/**
     * Enclosure.
     *
     * @var string
     */
    private $enclosure = '"';

/**
     * Sheet index to read.
     *
     * @var int
     */
    private $sheetIndex = 0;

/**
     * Load rows contiguously.
     *
     * @var bool
     */
    private $contiguous = false;

/**
     * The character that can escape the enclosure.
     *
     * @var ?string
     */
    private $escapeCharacter;

/**
     * The character that will be supplied to fgetcsv
     * when escapeCharacter is null.
     * It is anticipated that it will conditionally be set
     * to null-string for Php9 and above.
     */
    private static string $defaultEscapeCharacter = PHP_VERSION_ID < 90000 ? '\\' : '';

/**
     * Callback for setting defaults in construction.
     *
     * @var ?callable
     */
    private static $constructorCallback;

/**
     * Attempt autodetect line endings (deprecated after PHP8.1)?
     *
     * @var bool
     */
    private $testAutodetect = true;

/**
     * @var bool
     */
    protected $castFormattedNumberToNumeric = false;

/**
     * @var bool
     */
    protected $preserveNumericFormatting = false;

/** @var bool */
    private $preserveNullString = false;

/**
     * Create a new CSV Reader instance.
     */
    public function __construct()
    {
        parent::__construct();
        $callback = self::$constructorCallback;
        if ($callback !== null) {
            $callback($this);
        }
    }

/**
     * Set a callback to change the defaults.
     *
     * The callback must accept the Csv Reader object as the first parameter,
     * and it should return void.
     */
    public static function setConstructorCallback(?callable $callback): void
    {
        self::$constructorCallback = $callback;
    }

public static function getConstructorCallback(): ?callable
    {
        return self::$constructorCallback;
    }

public function setInputEncoding(string $encoding): self
    {
        $this->inputEncoding = $encoding;

return $this;
    }

public function getInputEncoding(): string
    {
        return $this->inputEncoding;
    }

public function setFallbackEncoding(string $fallbackEncoding): self
    {
        $this->fallbackEncoding = $fallbackEncoding;

return $this;
    }

public function getFallbackEncoding(): string
    {
        return $this->fallbackEncoding;
    }

/**
     * Move filepointer past any BOM marker.
     */
    protected function skipBOM(): void
    {
        rewind($this->fileHandle);

if (fgets($this->fileHandle, self::UTF8_BOM_LEN + 1) !== self::UTF8_BOM) {
            rewind($this->fileHandle);
        }
    }

/**
     * Identify any separator that is explicitly set in the file.
     */
    protected function checkSeparator(): void
    {
        $line = fgets($this->fileHandle);
        if ($line === false) {
            return;
        }

if ((strlen(trim($line, "\r\n")) == 5) && (stripos($line, 'sep=') === 0)) {
            $this->delimiter = substr($line, 4, 1);

return;
        }

$this->skipBOM();
    }

/**
     * Infer the separator if it isn't explicitly set in the file or specified by the user.
     */
    protected function inferSeparator(): void
    {
        if ($this->delimiter !== null) {
            return;
        }

$inferenceEngine = new Delimiter($this->fileHandle, $this->escapeCharacter ?? self::$defaultEscapeCharacter, $this->enclosure);

// If number of lines is 0, nothing to infer : fall back to the default
        if ($inferenceEngine->linesCounted() === 0) {
            $this->delimiter = $inferenceEngine->getDefaultDelimiter();
            $this->skipBOM();

return;
        }

$this->delimiter = $inferenceEngine->infer();

// If no delimiter could be detected, fall back to the default
        if ($this->delimiter === null) {
            $this->delimiter = $inferenceEngine->getDefaultDelimiter();
        }

$this->skipBOM();
    }

/**
     * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
     */
    public function listWorksheetInfo(string $filename): array
    {
        // Open file
        $this->openFileOrMemory($filename);
        $fileHandle = $this->fileHandle;

// Skip BOM, if any
        $this->skipBOM();
        $this->checkSeparator();
        $this->inferSeparator();

$worksheetInfo = [];
        $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
        $rowData = self::getCsv($fileHandle, 0, $this->delimiter ?? '', $this->enclosure, $this->escapeCharacter);
        while (is_array($rowData)) {
            ++$worksheetInfo[0]['totalRows'];
            $worksheetInfo[0]['lastColumnIndex'] = max($worksheetInfo[0]['lastColumnIndex'], count($rowData) - 1);
            $rowData = self::getCsv($fileHandle, 0, $this->delimiter ?? '', $this->enclosure, $this->escapeCharacter);
        }

$worksheetInfo[0]['lastColumnLetter'] = Coordinate::stringFromColumnIndex($worksheetInfo[0]['lastColumnIndex'] + 1);
        $worksheetInfo[0]['totalColumns'] = $worksheetInfo[0]['lastColumnIndex'] + 1;

// Close file
        fclose($fileHandle);

return $worksheetInfo;
    }

/**
     * Loads Spreadsheet from file.
     */
    protected function loadSpreadsheetFromFile(string $filename): Spreadsheet
    {
        // Create new Spreadsheet
        $spreadsheet = new Spreadsheet();

// Load into this instance
        return $this->loadIntoExisting($filename, $spreadsheet);
    }

/**
     * Loads Spreadsheet from string.
     */
    public function loadSpreadsheetFromString(string $contents): Spreadsheet
    {
        // Create new Spreadsheet
        $spreadsheet = new Spreadsheet();

// Load into this instance
        return $this->loadStringOrFile('data://text/plain,' . urlencode($contents), $spreadsheet, true);
    }

private function openFileOrMemory(string $filename): void
    {
        // Open file
        $fhandle = $this->canRead($filename);
        if (!$fhandle) {
            throw new Exception($filename . ' is an Invalid Spreadsheet file.');
        }
        if ($this->inputEncoding === 'UTF-8') {
            $encoding = self::guessEncodingBom($filename);
            if ($encoding !== '') {
                $this->inputEncoding = $encoding;
            }
        }
        if ($this->inputEncoding === self::GUESS_ENCODING) {
            $this->inputEncoding = self::guessEncoding($filename, $this->fallbackEncoding);
        }
        $this->openFile($filename);
        if ($this->inputEncoding !== 'UTF-8') {
            fclose($this->fileHandle);
            $entireFile = file_get_contents($filename);
            $fileHandle = fopen('php://memory', 'r+b');
            if ($fileHandle !== false && $entireFile !== false) {
                $this->fileHandle = $fileHandle;
                $data = StringHelper::convertEncoding($entireFile, 'UTF-8', $this->inputEncoding);
                fwrite($this->fileHandle, $data);
                $this->skipBOM();
            }
        }
    }

public function setTestAutoDetect(bool $value): self
    {
        $this->testAutodetect = $value;

return $this;
    }

private function setAutoDetect(?string $value): ?string
    {
        $retVal = null;
        if ($value !== null && $this->testAutodetect && PHP_VERSION_ID < 90000) {
            $retVal2 = @ini_set('auto_detect_line_endings', $value);
            if (is_string($retVal2)) {
                $retVal = $retVal2;
            }
        }

return $retVal;
    }

public function castFormattedNumberToNumeric(
        bool $castFormattedNumberToNumeric,
        bool $preserveNumericFormatting = false
    ): void {
        $this->castFormattedNumberToNumeric = $castFormattedNumberToNumeric;
        $this->preserveNumericFormatting = $preserveNumericFormatting;
    }

/**
     * Open data uri for reading.
     */
    private function openDataUri(string $filename): void
    {
        $fileHandle = fopen($filename, 'rb');
        if ($fileHandle === false) {
            // @codeCoverageIgnoreStart
            throw new ReaderException('Could not open file ' . $filename . ' for reading.');
            // @codeCoverageIgnoreEnd
        }

$this->fileHandle = $fileHandle;
    }

/**
     * Loads PhpSpreadsheet from file into PhpSpreadsheet instance.
     */
    public function loadIntoExisting(string $filename, Spreadsheet $spreadsheet): Spreadsheet
    {
        return $this->loadStringOrFile($filename, $spreadsheet, false);
    }

/**
     * Loads PhpSpreadsheet from file into PhpSpreadsheet instance.
     */
    private function loadStringOrFile(string $filename, Spreadsheet $spreadsheet, bool $dataUri): Spreadsheet
    {
        // Deprecated in Php8.1
        $iniset = $this->setAutoDetect('1');

try {
            $this->loadStringOrFile2($filename, $spreadsheet, $dataUri);
            $this->setAutoDetect($iniset);
        } catch (Throwable $e) {
            $this->setAutoDetect($iniset);

throw $e;
        }

return $spreadsheet;
    }

private function loadStringOrFile2(string $filename, Spreadsheet $spreadsheet, bool $dataUri): void
    {
        // Open file
        if ($dataUri) {
            $this->openDataUri($filename);
        } else {
            $this->openFileOrMemory($filename);
        }
        $fileHandle = $this->fileHandle;

// Skip BOM, if any
        $this->skipBOM();
        $this->checkSeparator();
        $this->inferSeparator();

// Create new PhpSpreadsheet object
        while ($spreadsheet->getSheetCount() <= $this->sheetIndex) {
            $spreadsheet->createSheet();
        }
        $sheet = $spreadsheet->setActiveSheetIndex($this->sheetIndex);

// Set our starting row based on whether we're in contiguous mode or not
        $currentRow = 1;
        $outRow = 0;

// Loop through each line of the file in turn
        $rowData = self::getCsv($fileHandle, 0, $this->delimiter ?? '', $this->enclosure, $this->escapeCharacter);
        $valueBinder = Cell::getValueBinder();
        $preserveBooleanString = method_exists($valueBinder, 'getBooleanConversion') && $valueBinder->getBooleanConversion();
        while (is_array($rowData)) {
            $noOutputYet = true;
            $columnLetter = 'A';
            foreach ($rowData as $rowDatum) {
                $this->convertBoolean($rowDatum, $preserveBooleanString);
                $numberFormatMask = $this->convertFormattedNumber($rowDatum);
                if (($rowDatum !== '' || $this->preserveNullString) && $this->readFilter->readCell($columnLetter, $currentRow)) {
                    if ($this->contiguous) {
                        if ($noOutputYet) {
                            $noOutputYet = false;
                            ++$outRow;
                        }
                    } else {
                        $outRow = $currentRow;
                    }
                    // Set basic styling for the value (Note that this could be overloaded by styling in a value binder)
                    $sheet->getCell($columnLetter . $outRow)->getStyle()
                        ->getNumberFormat()
                        ->setFormatCode($numberFormatMask);
                    // Set cell value
                    $sheet->getCell($columnLetter . $outRow)->setValue($rowDatum);
                }
                ++$columnLetter;
            }
            $rowData = self::getCsv($fileHandle, 0, $this->delimiter ?? '', $this->enclosure, $this->escapeCharacter);
            ++$currentRow;
        }

// Close file
        fclose($fileHandle);
    }

/**
     * Convert string true/false to boolean, and null to null-string.
     *
     * @param mixed $rowDatum
     */
    private function convertBoolean(&$rowDatum, bool $preserveBooleanString): void
    {
        if (is_string($rowDatum) && !$preserveBooleanString) {
            if (strcasecmp(Calculation::getTRUE(), $rowDatum) === 0 || strcasecmp('true', $rowDatum) === 0) {
                $rowDatum = true;
            } elseif (strcasecmp(Calculation::getFALSE(), $rowDatum) === 0 || strcasecmp('false', $rowDatum) === 0) {
                $rowDatum = false;
            }
        } else {
            $rowDatum = $rowDatum ?? '';
        }
    }

/**
     * Convert numeric strings to int or float values.
     *
     * @param mixed $rowDatum
     */
    private function convertFormattedNumber(&$rowDatum): string
    {
        $numberFormatMask = NumberFormat::FORMAT_GENERAL;
        if ($this->castFormattedNumberToNumeric === true && is_string($rowDatum)) {
            $numeric = str_replace(
                [StringHelper::getThousandsSeparator(), StringHelper::getDecimalSeparator()],
                ['', '.'],
                $rowDatum
            );

if (is_numeric($numeric)) {
                $decimalPos = strpos($rowDatum, StringHelper::getDecimalSeparator());
                if ($this->preserveNumericFormatting === true) {
                    $numberFormatMask = (strpos($rowDatum, StringHelper::getThousandsSeparator()) !== false)
                        ? '#,##0' : '0';
                    if ($decimalPos !== false) {
                        $decimals = strlen($rowDatum) - $decimalPos - 1;
                        $numberFormatMask .= '.' . str_repeat('0', min($decimals, 6));
                    }
                }

$rowDatum = ($decimalPos !== false) ? (float) $numeric : (int) $numeric;
            }
        }

return $numberFormatMask;
    }

public function getDelimiter(): ?string
    {
        return $this->delimiter;
    }

public function setDelimiter(?string $delimiter): self
    {
        $this->delimiter = $delimiter;

return $this;
    }

public function getEnclosure(): string
    {
        return $this->enclosure;
    }

public function setEnclosure(string $enclosure): self
    {
        if ($enclosure == '') {
            $enclosure = '"';
        }
        $this->enclosure = $enclosure;

return $this;
    }

public function getSheetIndex(): int
    {
        return $this->sheetIndex;
    }

public function setSheetIndex(int $indexValue): self
    {
        $this->sheetIndex = $indexValue;

return $this;
    }

public function setContiguous(bool $contiguous): self
    {
        $this->contiguous = $contiguous;

return $this;
    }

public function getContiguous(): bool
    {
        return $this->contiguous;
    }

/**
     * Php9 intends to drop support for this parameter in fgetcsv.
     * Not yet ready to mark deprecated in order to give users
     * a migration path.
     */
    public function setEscapeCharacter(string $escapeCharacter): self
    {
        if (PHP_VERSION_ID >= 90000 && $escapeCharacter !== '') {
            throw new ReaderException('Escape character must be null string for Php9+');
        }

$this->escapeCharacter = $escapeCharacter;

return $this;
    }

public function getEscapeCharacter(): string
    {
        return $this->escapeCharacter ?? self::$defaultEscapeCharacter;
    }

/**
     * Can the current IReader read the file?
     */
    public function canRead(string $filename): bool
    {
        // Check if file exists
        try {
            $this->openFile($filename);
        } catch (ReaderException $e) {
            return false;
        }

fclose($this->fileHandle);

// Trust file extension if any
        $extension = strtolower(/** @scrutinizer ignore-type */ pathinfo($filename, PATHINFO_EXTENSION));
        if (in_array($extension, ['csv', 'tsv'])) {
            return true;
        }

// Attempt to guess mimetype
        $type = mime_content_type($filename);
        $supportedTypes = [
            'application/csv',
            'text/csv',
            'text/plain',
            'inode/x-empty',
        ];

return in_array($type, $supportedTypes, true);
    }

private static function guessEncodingTestNoBom(string &$encoding, string &$contents, string $compare, string $setEncoding): void
    {
        if ($encoding === '') {
            $pos = strpos($contents, $compare);
            if ($pos !== false && $pos % strlen($compare) === 0) {
                $encoding = $setEncoding;
            }
        }
    }

private static function guessEncodingNoBom(string $filename): string
    {
        $encoding = '';
        $contents = file_get_contents($filename);
        self::guessEncodingTestNoBom($encoding, $contents, self::UTF32BE_LF, 'UTF-32BE');
        self::guessEncodingTestNoBom($encoding, $contents, self::UTF32LE_LF, 'UTF-32LE');
        self::guessEncodingTestNoBom($encoding, $contents, self::UTF16BE_LF, 'UTF-16BE');
        self::guessEncodingTestNoBom($encoding, $contents, self::UTF16LE_LF, 'UTF-16LE');
        if ($encoding === '' && preg_match('//u', $contents) === 1) {
            $encoding = 'UTF-8';
        }

return $encoding;
    }

private static function guessEncodingTestBom(string &$encoding, string $first4, string $compare, string $setEncoding): void
    {
        if ($encoding === '') {
            if ($compare === substr($first4, 0, strlen($compare))) {
                $encoding = $setEncoding;
            }
        }
    }

public static function guessEncodingBom(string $filename, ?string $convertString = null): string
    {
        $encoding = '';
        $first4 = $convertString ?? (string) file_get_contents($filename, false, null, 0, 4);
        self::guessEncodingTestBom($encoding, $first4, self::UTF8_BOM, 'UTF-8');
        self::guessEncodingTestBom($encoding, $first4, self::UTF16BE_BOM, 'UTF-16BE');
        self::guessEncodingTestBom($encoding, $first4, self::UTF32BE_BOM, 'UTF-32BE');
        self::guessEncodingTestBom($encoding, $first4, self::UTF32LE_BOM, 'UTF-32LE');
        self::guessEncodingTestBom($encoding, $first4, self::UTF16LE_BOM, 'UTF-16LE');

return $encoding;
    }

public static function guessEncoding(string $filename, string $dflt = self::DEFAULT_FALLBACK_ENCODING): string
    {
        $encoding = self::guessEncodingBom($filename);
        if ($encoding === '') {
            $encoding = self::guessEncodingNoBom($filename);
        }

return ($encoding === '') ? $dflt : $encoding;
    }

public function setPreserveNullString(bool $value): self
    {
        $this->preserveNullString = $value;

return $this;
    }

public function getPreserveNullString(): bool
    {
        return $this->preserveNullString;
    }

/**
     * Php8.4 deprecates use of anything other than null string
     * as escape Character.
     *
     * @param resource $stream
     *
     * @return array<int,?string>|false
     */
    private static function getCsv(
        $stream,
        ?int $length = null,
        string $separator = ',',
        string $enclosure = '"',
        ?string $escape = null
    ) {
        $escape = $escape ?? self::$defaultEscapeCharacter;
        if (PHP_VERSION_ID >= 80400 && $escape !== '') {
            return @fgetcsv($stream, $length, $separator, $enclosure, $escape);
        }

return fgetcsv($stream, $length, $separator, $enclosure, $escape);
    }

public static function affectedByPhp9(
        string $filename,
        string $inputEncoding = 'UTF-8',
        ?string $delimiter = null,
        string $enclosure = '"',
        string $escapeCharacter = '\\'
    ): bool {
        if (PHP_VERSION_ID < 70400 || PHP_VERSION_ID >= 90000) {
            throw new ReaderException('Function valid only for Php7.4 or Php8'); // @codeCoverageIgnore
        }
        $reader1 = new self();
        $reader1->setInputEncoding($inputEncoding)
            ->setTestAutoDetect(true)
            ->setEscapeCharacter($escapeCharacter)
            ->setDelimiter($delimiter)
            ->setEnclosure($enclosure);
        $spreadsheet1 = $reader1->load($filename);
        $sheet1 = $spreadsheet1->getActiveSheet();
        $array1 = $sheet1->toArray(null, false, false);
        $spreadsheet1->disconnectWorksheets();

$reader2 = new self();
        $reader2->setInputEncoding($inputEncoding)
            ->setTestAutoDetect(false)
            ->setEscapeCharacter('')
            ->setDelimiter($delimiter)
            ->setEnclosure($enclosure);
        $spreadsheet2 = $reader2->load($filename);
        $sheet2 = $spreadsheet2->getActiveSheet();
        $array2 = $sheet2->toArray(null, false, false);
        $spreadsheet2->disconnectWorksheets();

return $array1 !== $array2;
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
..	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:40
Csv	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Gnumeric	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Ods	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Security	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Xls	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Xlsx	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
Xml	dir	-	tecnsujc/tecnsujc	0755	2025-06-12 02:34:38
BaseReader.php	text/x-php	5.17 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Csv.php	text/x-php	21.97 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
DefaultReadFilter.php	text/x-php	473 B	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Exception.php	text/x-php	171 B	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Gnumeric.php	text/x-php	21.61 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Html.php	text/x-php	40.11 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
IReadFilter.php	text/x-php	416 B	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
IReader.php	text/x-php	4.59 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Ods.php	text/x-php	35.38 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Slk.php	text/x-php	19.63 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Xls.php	text/x-php	287.16 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Xlsx.php	text/x-php	130.4 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14
Xml.php	text/x-php	25.38 KB	tecnsujc/tecnsujc	0644	2025-02-08 03:56:14

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