diff options
Diffstat (limited to 'vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php')
| -rw-r--r-- | vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php new file mode 100644 index 0000000..37d2ed5 --- /dev/null +++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php @@ -0,0 +1,217 @@ +<?php
+
+namespace PhpOffice\PhpSpreadsheet;
+
+use PhpOffice\PhpSpreadsheet\Shared\File;
+
+/**
+ * Factory to create readers and writers easily.
+ *
+ * It is not required to use this class, but it should make it easier to read and write files.
+ * Especially for reading files with an unknown format.
+ */
+abstract class IOFactory
+{
+ private static $readers = [
+ 'Xlsx' => Reader\Xlsx::class,
+ 'Xls' => Reader\Xls::class,
+ 'Xml' => Reader\Xml::class,
+ 'Ods' => Reader\Ods::class,
+ 'Slk' => Reader\Slk::class,
+ 'Gnumeric' => Reader\Gnumeric::class,
+ 'Html' => Reader\Html::class,
+ 'Csv' => Reader\Csv::class,
+ ];
+
+ private static $writers = [
+ 'Xls' => Writer\Xls::class,
+ 'Xlsx' => Writer\Xlsx::class,
+ 'Ods' => Writer\Ods::class,
+ 'Csv' => Writer\Csv::class,
+ 'Html' => Writer\Html::class,
+ 'Tcpdf' => Writer\Pdf\Tcpdf::class,
+ 'Dompdf' => Writer\Pdf\Dompdf::class,
+ 'Mpdf' => Writer\Pdf\Mpdf::class,
+ ];
+
+ /**
+ * Create Writer\IWriter.
+ *
+ * @param string $writerType Example: Xlsx
+ *
+ * @return Writer\IWriter
+ */
+ public static function createWriter(Spreadsheet $spreadsheet, $writerType)
+ {
+ if (!isset(self::$writers[$writerType])) {
+ throw new Writer\Exception("No writer found for type $writerType");
+ }
+
+ // Instantiate writer
+ $className = self::$writers[$writerType];
+
+ return new $className($spreadsheet);
+ }
+
+ /**
+ * Create Reader\IReader.
+ *
+ * @param string $readerType Example: Xlsx
+ *
+ * @return Reader\IReader
+ */
+ public static function createReader($readerType)
+ {
+ if (!isset(self::$readers[$readerType])) {
+ throw new Reader\Exception("No reader found for type $readerType");
+ }
+
+ // Instantiate reader
+ $className = self::$readers[$readerType];
+
+ return new $className();
+ }
+
+ /**
+ * Loads Spreadsheet from file using automatic Reader\IReader resolution.
+ *
+ * @param string $pFilename The name of the spreadsheet file
+ *
+ * @return Spreadsheet
+ */
+ public static function load($pFilename)
+ {
+ $reader = self::createReaderForFile($pFilename);
+
+ return $reader->load($pFilename);
+ }
+
+ /**
+ * Identify file type using automatic Reader\IReader resolution.
+ *
+ * @param string $pFilename The name of the spreadsheet file to identify
+ *
+ * @return string
+ */
+ public static function identify($pFilename)
+ {
+ $reader = self::createReaderForFile($pFilename);
+ $className = get_class($reader);
+ $classType = explode('\\', $className);
+ unset($reader);
+
+ return array_pop($classType);
+ }
+
+ /**
+ * Create Reader\IReader for file using automatic Reader\IReader resolution.
+ *
+ * @param string $filename The name of the spreadsheet file
+ *
+ * @return Reader\IReader
+ */
+ public static function createReaderForFile($filename)
+ {
+ File::assertFile($filename);
+
+ // First, lucky guess by inspecting file extension
+ $guessedReader = self::getReaderTypeFromExtension($filename);
+ if ($guessedReader !== null) {
+ $reader = self::createReader($guessedReader);
+
+ // Let's see if we are lucky
+ if (isset($reader) && $reader->canRead($filename)) {
+ return $reader;
+ }
+ }
+
+ // If we reach here then "lucky guess" didn't give any result
+ // Try walking through all the options in self::$autoResolveClasses
+ foreach (self::$readers as $type => $class) {
+ // Ignore our original guess, we know that won't work
+ if ($type !== $guessedReader) {
+ $reader = self::createReader($type);
+ if ($reader->canRead($filename)) {
+ return $reader;
+ }
+ }
+ }
+
+ throw new Reader\Exception('Unable to identify a reader for this file');
+ }
+
+ /**
+ * Guess a reader type from the file extension, if any.
+ *
+ * @param string $filename
+ *
+ * @return null|string
+ */
+ private static function getReaderTypeFromExtension($filename)
+ {
+ $pathinfo = pathinfo($filename);
+ if (!isset($pathinfo['extension'])) {
+ return null;
+ }
+
+ switch (strtolower($pathinfo['extension'])) {
+ case 'xlsx': // Excel (OfficeOpenXML) Spreadsheet
+ case 'xlsm': // Excel (OfficeOpenXML) Macro Spreadsheet (macros will be discarded)
+ case 'xltx': // Excel (OfficeOpenXML) Template
+ case 'xltm': // Excel (OfficeOpenXML) Macro Template (macros will be discarded)
+ return 'Xlsx';
+ case 'xls': // Excel (BIFF) Spreadsheet
+ case 'xlt': // Excel (BIFF) Template
+ return 'Xls';
+ case 'ods': // Open/Libre Offic Calc
+ case 'ots': // Open/Libre Offic Calc Template
+ return 'Ods';
+ case 'slk':
+ return 'Slk';
+ case 'xml': // Excel 2003 SpreadSheetML
+ return 'Xml';
+ case 'gnumeric':
+ return 'Gnumeric';
+ case 'htm':
+ case 'html':
+ return 'Html';
+ case 'csv':
+ // Do nothing
+ // We must not try to use CSV reader since it loads
+ // all files including Excel files etc.
+ return null;
+ default:
+ return null;
+ }
+ }
+
+ /**
+ * Register a writer with its type and class name.
+ *
+ * @param string $writerType
+ * @param string $writerClass
+ */
+ public static function registerWriter($writerType, $writerClass): void
+ {
+ if (!is_a($writerClass, Writer\IWriter::class, true)) {
+ throw new Writer\Exception('Registered writers must implement ' . Writer\IWriter::class);
+ }
+
+ self::$writers[$writerType] = $writerClass;
+ }
+
+ /**
+ * Register a reader with its type and class name.
+ *
+ * @param string $readerType
+ * @param string $readerClass
+ */
+ public static function registerReader($readerType, $readerClass): void
+ {
+ if (!is_a($readerClass, Reader\IReader::class, true)) {
+ throw new Reader\Exception('Registered readers must implement ' . Reader\IReader::class);
+ }
+
+ self::$readers[$readerType] = $readerClass;
+ }
+}
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