diff --git a/src/ext/spreadsheet/PhpSpreadsheetBuilder.php b/src/ext/spreadsheet/PhpSpreadsheetBuilder.php
new file mode 100644
index 0000000..41465f9
--- /dev/null
+++ b/src/ext/spreadsheet/PhpSpreadsheetBuilder.php
@@ -0,0 +1,114 @@
+<?php
+namespace nur\sery\ext\spreadsheet;
+
+use nur\sery\file\csv\AbstractBuilder;
+use nur\sery\file\csv\TAbstractBuilder;
+use nur\sery\os\path;
+use nur\sery\web\http;
+use PhpOffice\PhpSpreadsheet\Cell\IValueBinder;
+use PhpOffice\PhpSpreadsheet\Cell\StringValueBinder;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PhpOffice\PhpSpreadsheet\Writer\Ods;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+
+class PhpSpreadsheetBuilder extends AbstractBuilder {
+  use TAbstractBuilder;
+
+  /** @var string|int|null nom de la feuille dans laquelle écrire */
+  const WSNAME = null;
+
+  function __construct(?string $output, ?array $params=null) {
+    parent::__construct($output, $params);
+    $this->ss = new Spreadsheet();
+    $this->valueBinder = new StringValueBinder();
+    $this->setWsname($params["wsname"] ?? static::WSNAME);
+  }
+
+  protected Spreadsheet $ss;
+
+  protected IValueBinder $valueBinder;
+
+  protected ?Worksheet $ws;
+
+  protected int $nrow;
+
+  const STYLE_ROW = 0, STYLE_HEADER = 1;
+
+  protected int $rowStyle;
+
+  /**
+   * @param string|int|null $wsname
+   */
+  function setWsname($wsname): self {
+    $ss = $this->ss;
+    $this->ws = null;
+    $this->nrow = 0;
+    $this->rowStyle = self::STYLE_ROW;
+
+    $ws = wsutils::get_ws($wsname, $ss);
+    if ($ws === null) {
+      $ws = $ss->createSheet()->setTitle($wsname);
+      $this->wroteHeaders = false;
+    } else {
+      $maxRow = wsutils::compute_max_coords($ws)[1];
+      $this->nrow = $maxRow - 1;
+      $this->wroteHeaders = $maxRow > 1;
+    }
+    $this->ws = $ws;
+    return $this;
+  }
+
+  function _write(array $row): void {
+    $ws = $this->ws;
+    $styleHeader = $this->rowStyle === self::STYLE_HEADER;
+    $nrow = ++$this->nrow;
+    $ncol = 1;
+    foreach ($row as $col) {
+      $ws->getCellByColumnAndRow($ncol++, $nrow)->setValue($col, $this->valueBinder);
+    }
+    if ($styleHeader) {
+      $ws->getStyle("$nrow:$nrow")->getFont()->setBold(true);
+      $maxcol = count($row);
+      for ($ncol = 1; $ncol <= $maxcol; $ncol++) {
+        $ws->getColumnDimensionByColumn($ncol)->setAutoSize(true);
+      }
+    }
+  }
+
+  function writeHeaders(?array $headers=null): void {
+    $this->rowStyle = self::STYLE_HEADER;
+    parent::writeHeaders($headers);
+    $this->rowStyle = self::STYLE_ROW;
+  }
+
+  function _sendContentType(): void {
+    switch (path::ext($this->output)) {
+    case ".ods":
+      $contentType = "application/vnd.oasis.opendocument.spreadsheet";
+      break;
+    case ".xlsx":
+    default:
+      $contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+      break;
+    }
+    http::content_type($contentType);
+  }
+
+  function _sendFile(): int {
+    switch (path::ext($this->output)) {
+    case ".ods":
+      $writer = new Ods($this->ss);
+      break;
+    case ".xlsx":
+    default:
+      $writer = new Xlsx($this->ss);
+      break;
+    }
+    $this->rewind();
+    $writer->save($this->getResource());
+    $this->rewind();
+    $this->sendHeaders();
+    return $this->fpassthru();
+  }
+}
diff --git a/src/ext/spreadsheet/PhpSpreadsheetReader.php b/src/ext/spreadsheet/PhpSpreadsheetReader.php
new file mode 100644
index 0000000..062145f
--- /dev/null
+++ b/src/ext/spreadsheet/PhpSpreadsheetReader.php
@@ -0,0 +1,117 @@
+<?php
+namespace nur\sery\ext\spreadsheet;
+
+use nur\sery\cl;
+use nur\sery\file\csv\AbstractReader;
+use nur\sery\file\csv\TAbstractReader;
+use PhpOffice\PhpSpreadsheet\Cell\DataType;
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\RichText\RichText;
+
+class PhpSpreadsheetReader extends AbstractReader {
+  const DATETIME_FORMAT = 'dd/mm/yyyy hh:mm:ss';
+  const DATE_FORMAT = 'dd/mm/yyyy';
+  const TIME_FORMAT = 'hh:mm:ss';
+  const FORMAT_MAPPINGS = [
+    'mm/dd hh' => self::DATETIME_FORMAT,
+    'dd/mm hh' => self::DATETIME_FORMAT,
+    'mm/dd hh:mm' => self::DATETIME_FORMAT,
+    'dd/mm hh:mm' => self::DATETIME_FORMAT,
+    'mm/dd hh:mm:ss' => self::DATETIME_FORMAT,
+    'dd/mm hh:mm:ss' => self::DATETIME_FORMAT,
+    'mm/dd/yyyy hh' => self::DATETIME_FORMAT,
+    'dd/mm/yyyy hh' => self::DATETIME_FORMAT,
+    'mm/dd/yyyy hh:mm' => self::DATETIME_FORMAT,
+    'dd/mm/yyyy hh:mm' => self::DATETIME_FORMAT,
+    'mm/dd/yyyy hh:mm:ss' => self::DATETIME_FORMAT,
+    'dd/mm/yyyy hh:mm:ss' => self::DATETIME_FORMAT,
+    'yyyy/mm/dd hh' => self::DATETIME_FORMAT,
+    'yyyy/mm/dd hh:mm' => self::DATETIME_FORMAT,
+    'yyyy/mm/dd hh:mm:ss' => self::DATETIME_FORMAT,
+
+    'mm/dd' => self::DATE_FORMAT,
+    'dd/mm' => self::DATE_FORMAT,
+    'mm/dd/yyyy' => self::DATE_FORMAT,
+    'dd/mm/yyyy' => self::DATE_FORMAT,
+    'yyyy/mm/dd' => self::DATE_FORMAT,
+    'mm/yyyy' => self::DATE_FORMAT,
+
+    'hh AM/PM' => self::TIME_FORMAT,
+    'hh:mm AM/PM' => self::TIME_FORMAT,
+    'hh:mm:ss AM/PM' => self::TIME_FORMAT,
+    'hh' => self::TIME_FORMAT,
+    'hh:mm' => self::TIME_FORMAT,
+    'hh:mm:ss' => self::TIME_FORMAT,
+    '[hh]:mm:ss' => self::TIME_FORMAT,
+    'mm:ss' => self::TIME_FORMAT,
+  ];
+
+  /** @var string|int|null nom de la feuille depuis laquelle lire */
+  const WSNAME = null;
+
+  function __construct($input, ?array $params=null) {
+    parent::__construct($input, $params);
+    $this->wsname = $params["wsname"] ?? static::WSNAME;
+  }
+
+  protected $wsname;
+
+  /**
+   * @param string|int|null $wsname
+   */
+  function setWsname($wsname): self {
+    $this->wsname = $wsname;
+    return $this;
+  }
+
+  function getIterator() {
+    $ss = IOFactory::load($this->input);
+    $ws = wsutils::get_ws($this->wsname, $ss);
+
+    [$nbCols, $nbRows] = wsutils::compute_max_coords($ws);
+    $this->isrc = $this->idest = 0;
+    for ($nrow = 1; $nrow <= $nbRows; $nrow++) {
+      $row = [];
+      for ($ncol = 1; $ncol <= $nbCols; $ncol++) {
+        if ($ws->cellExistsByColumnAndRow($ncol, $nrow)) {
+          $cell = $ws->getCellByColumnAndRow($ncol, $nrow);
+          $col = $cell->getValue();
+          if ($col instanceof RichText) {
+            $col = $col->getPlainText();
+          } else {
+            $dataType = $cell->getDataType();
+            if ($dataType == DataType::TYPE_NUMERIC || $dataType == DataType::TYPE_FORMULA) {
+              # si c'est un format date, le forcer à une valeur standard
+              $origFormatCode = $cell->getStyle()->getNumberFormat()->getFormatCode();
+              if (strpbrk($origFormatCode, "ymdhs") !== false) {
+                $formatCode = $origFormatCode;
+                $formatCode = preg_replace('/y+/', "yyyy", $formatCode);
+                $formatCode = preg_replace('/m+/', "mm", $formatCode);
+                $formatCode = preg_replace('/d+/', "dd", $formatCode);
+                $formatCode = preg_replace('/h+/', "hh", $formatCode);
+                $formatCode = preg_replace('/s+/', "ss", $formatCode);
+                $formatCode = preg_replace('/-+/', "/", $formatCode);
+                $formatCode = preg_replace('/\\\\ /', " ", $formatCode);
+                $formatCode = preg_replace('/;@$/', "", $formatCode);
+                $formatCode = cl::get(self::FORMAT_MAPPINGS, $formatCode, $formatCode);
+                if ($formatCode !== $origFormatCode) {
+                  $cell->getStyle()->getNumberFormat()->setFormatCode($formatCode);
+                }
+              }
+            }
+            $col = $cell->getFormattedValue();
+            $this->verifixCol($col);
+          }
+        } else {
+          $col = null;
+        }
+        $row[] = $col;
+      }
+      if ($this->cook($row)) {
+        yield $row;
+        $this->idest++;
+      }
+      $this->isrc++;
+    }
+  }
+}
diff --git a/src/ext/spreadsheet/SpoutBuilder.php b/src/ext/spreadsheet/SpoutBuilder.php
new file mode 100644
index 0000000..d632353
--- /dev/null
+++ b/src/ext/spreadsheet/SpoutBuilder.php
@@ -0,0 +1,97 @@
+<?php
+namespace nur\sery\ext\spreadsheet;
+
+use nur\sery\file\csv\AbstractBuilder;
+use nur\sery\file\csv\TAbstractBuilder;
+use nur\sery\os\path;
+use nur\sery\web\http;
+use OpenSpout\Common\Entity\Style\Style;
+use OpenSpout\Writer\Common\Creator\WriterEntityFactory;
+use OpenSpout\Writer\WriterMultiSheetsAbstract;
+use OpenSpout\Writer\XLSX\Entity\SheetView;
+
+class SpoutBuilder extends AbstractBuilder {
+  use TAbstractBuilder;
+
+  /** @var string|int|null nom de la feuille dans laquelle écrire */
+  const WSNAME = null;
+
+  function __construct(?string $output, ?array $params=null) {
+    parent::__construct($output, $params);
+    switch (path::ext($this->output)) {
+    case ".ods":
+      $ss = WriterEntityFactory::createODSWriter();
+      break;
+    case ".xlsx":
+    default:
+      $ss = WriterEntityFactory::createXLSXWriter();
+      break;
+    }
+    $ss->writeToStream($this->getResource());
+    $this->ss = $ss;
+    $this->firstSheet = true;
+    $this->setWsname($params["wsname"] ?? static::WSNAME);
+  }
+
+  protected WriterMultiSheetsAbstract $ss;
+
+  const STYLE_ROW = 0, STYLE_HEADER = 1;
+
+  protected int $rowStyle;
+
+  protected bool $firstSheet;
+
+  /**
+   * @param string|int|null $wsname
+   */
+  function setWsname($wsname): self {
+    $ss = $this->ss;
+    $this->rowStyle = self::STYLE_ROW;
+    if ($this->firstSheet) {
+      $this->firstSheet = false;
+      $ws = $ss->getCurrentSheet();
+    } else {
+      $ws = $ss->addNewSheetAndMakeItCurrent();
+    }
+    if ($wsname !== null) $ws->setName($wsname);
+    $ws->setSheetView((new SheetView())
+      ->setFreezeRow(2)
+    );
+    return $this;
+  }
+
+  function _write(array $row): void {
+    $row = WriterEntityFactory::createRowFromArray($row);
+    if ($this->rowStyle === self::STYLE_HEADER) {
+      $row->setStyle((new Style())
+        ->setFontBold()
+      );
+    }
+    $this->ss->addRow($row);
+  }
+
+  function writeHeaders(?array $headers=null): void {
+    $this->rowStyle = self::STYLE_HEADER;
+    parent::writeHeaders($headers);
+    $this->rowStyle = self::STYLE_ROW;
+  }
+
+  function _sendContentType(): void {
+    switch (path::ext($this->output)) {
+    case ".ods":
+      $contentType = "application/vnd.oasis.opendocument.spreadsheet";
+      break;
+    case ".xlsx":
+    default:
+      $contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+      break;
+    }
+    http::content_type($contentType);
+  }
+
+  function _sendFile(): int {
+    $this->rewind();
+    $this->sendHeaders();
+    return $this->fpassthru();
+  }
+}
diff --git a/src/ext/spreadsheet/SpoutReader.php b/src/ext/spreadsheet/SpoutReader.php
new file mode 100644
index 0000000..c67fb0b
--- /dev/null
+++ b/src/ext/spreadsheet/SpoutReader.php
@@ -0,0 +1,55 @@
+<?php
+namespace nur\sery\ext\spreadsheet;
+
+use nur\sery\file\csv\AbstractReader;
+use nur\sery\file\csv\TAbstractReader;
+use OpenSpout\Reader\Common\Creator\ReaderEntityFactory;
+
+class SpoutReader extends AbstractReader {
+  /** @var string|int|null nom de la feuille depuis laquelle lire */
+  const WSNAME = null;
+
+  function __construct($input, ?array $params=null) {
+    parent::__construct($input, $params);
+    $this->wsname = $params["wsname"] ?? static::WSNAME;
+  }
+
+  protected $wsname;
+
+  /**
+   * @param string|int|null $wsname
+   */
+  function setWsname($wsname): self {
+    $this->wsname = $wsname;
+    return $this;
+  }
+
+  function getIterator() {
+    $ss = ReaderEntityFactory::createReaderFromFile($this->input);
+    try {
+      $found = false;
+      foreach ($ss->getSheetIterator() as $ws) {
+        if ($this->wsname === null || $this->wsname === $ws->getName()) {
+          $found = true;
+          break;
+        }
+      }
+      if (!$found) return;
+
+      $this->isrc = $this->idest = 0;
+      foreach ($ws->getRowIterator() as $row) {
+        $row = $row->toArray();
+        foreach ($row as &$col) {
+          $this->verifixCol($col);
+        }; unset($col);
+        if ($this->cook($row)) {
+          yield $row;
+          $this->idest++;
+        }
+        $this->isrc++;
+      }
+    } finally {
+      $ss->close();
+    }
+  }
+}
diff --git a/src/ext/spreadsheet/SsBuilder.php b/src/ext/spreadsheet/SsBuilder.php
index 47cd7d7..6ddd9bd 100644
--- a/src/ext/spreadsheet/SsBuilder.php
+++ b/src/ext/spreadsheet/SsBuilder.php
@@ -1,118 +1,9 @@
 <?php
 namespace nur\sery\ext\spreadsheet;
 
-use nur\sery\file\csv\AbstractBuilder;
-use nur\sery\file\csv\TAbstractBuilder;
-use nur\sery\os\path;
-use nur\sery\web\http;
-use PhpOffice\PhpSpreadsheet\Cell\IValueBinder;
-use PhpOffice\PhpSpreadsheet\Cell\StringValueBinder;
-use PhpOffice\PhpSpreadsheet\Spreadsheet;
-use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
-use PhpOffice\PhpSpreadsheet\Writer\Ods;
-use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
-
 /**
  * Class SsBuilder: construction d'une feuille de calcul, pour envoi à
  * l'utilisateur
  */
-class SsBuilder extends AbstractBuilder {
-  use TAbstractBuilder;
-
-  /** @var string|int|null nom de la feuille dans laquelle écrire */
-  const WSNAME = null;
-
-  function __construct(?string $output, ?array $params=null) {
-    parent::__construct($output, $params);
-    $this->ss = new Spreadsheet();
-    $this->valueBinder = new StringValueBinder();
-    $this->setWsname($params["wsname"] ?? static::WSNAME);
-  }
-
-  protected Spreadsheet $ss;
-
-  protected IValueBinder $valueBinder;
-
-  protected ?Worksheet $ws;
-
-  protected int $nrow;
-
-  const STYLE_ROW = 0, STYLE_HEADER = 1;
-
-  protected int $rowStyle;
-
-  /**
-   * @param string|int|null $wsname
-   */
-  function setWsname($wsname): self {
-    $ss = $this->ss;
-    $this->ws = null;
-    $this->nrow = 0;
-    $this->rowStyle = self::STYLE_ROW;
-
-    $ws = wsutils::get_ws($wsname, $ss);
-    if ($ws === null) {
-      $ws = $ss->createSheet()->setTitle($wsname);
-      $this->wroteHeaders = false;
-    } else {
-      $maxRow = wsutils::compute_max_coords($ws)[1];
-      $this->nrow = $maxRow - 1;
-      $this->wroteHeaders = $maxRow > 1;
-    }
-    $this->ws = $ws;
-    return $this;
-  }
-
-  function _write(array $row): void {
-    $ws = $this->ws;
-    $styleHeader = $this->rowStyle === self::STYLE_HEADER;
-    $nrow = ++$this->nrow;
-    $ncol = 1;
-    foreach ($row as $col) {
-      $ws->getCellByColumnAndRow($ncol++, $nrow)->setValue($col, $this->valueBinder);
-    }
-    if ($styleHeader) {
-      $ws->getStyle("$nrow:$nrow")->getFont()->setBold(true);
-      $maxcol = count($row);
-      for ($ncol = 1; $ncol <= $maxcol; $ncol++) {
-        $ws->getColumnDimensionByColumn($ncol)->setAutoSize(true);
-      }
-    }
-  }
-
-  function writeHeaders(?array $headers=null): void {
-    $this->rowStyle = self::STYLE_HEADER;
-    parent::writeHeaders($headers);
-    $this->rowStyle = self::STYLE_ROW;
-  }
-
-  function _sendContentType(): void {
-    switch (path::ext($this->output)) {
-    case ".ods":
-      $contentType = "application/vnd.oasis.opendocument.spreadsheet";
-      break;
-    case ".xlsx":
-    default:
-      $contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
-      break;
-    }
-    http::content_type($contentType);
-  }
-
-  function _sendFile(): int {
-    switch (path::ext($this->output)) {
-    case ".ods":
-      $writer = new Ods($this->ss);
-      break;
-    case ".xlsx":
-    default:
-      $writer = new Xlsx($this->ss);
-      break;
-    }
-    $this->rewind();
-    $writer->save($this->getResource());
-    $this->rewind();
-    $this->sendHeaders();
-    return $this->fpassthru();
-  }
+class SsBuilder extends SpoutBuilder {
 }
diff --git a/src/ext/spreadsheet/SsReader.php b/src/ext/spreadsheet/SsReader.php
index 5e4b1de..9523daf 100644
--- a/src/ext/spreadsheet/SsReader.php
+++ b/src/ext/spreadsheet/SsReader.php
@@ -1,119 +1,8 @@
 <?php
 namespace nur\sery\ext\spreadsheet;
 
-use nur\sery\cl;
-use nur\sery\file\csv\AbstractReader;
 use nur\sery\file\csv\TAbstractReader;
-use PhpOffice\PhpSpreadsheet\Cell\DataType;
-use PhpOffice\PhpSpreadsheet\IOFactory;
-use PhpOffice\PhpSpreadsheet\RichText\RichText;
 
-class SsReader extends AbstractReader {
+class SsReader extends SpoutReader {
   use TAbstractReader;
-
-  const DATETIME_FORMAT = 'dd/mm/yyyy hh:mm:ss';
-  const DATE_FORMAT = 'dd/mm/yyyy';
-  const TIME_FORMAT = 'hh:mm:ss';
-  const FORMAT_MAPPINGS = [
-    'mm/dd hh' => self::DATETIME_FORMAT,
-    'dd/mm hh' => self::DATETIME_FORMAT,
-    'mm/dd hh:mm' => self::DATETIME_FORMAT,
-    'dd/mm hh:mm' => self::DATETIME_FORMAT,
-    'mm/dd hh:mm:ss' => self::DATETIME_FORMAT,
-    'dd/mm hh:mm:ss' => self::DATETIME_FORMAT,
-    'mm/dd/yyyy hh' => self::DATETIME_FORMAT,
-    'dd/mm/yyyy hh' => self::DATETIME_FORMAT,
-    'mm/dd/yyyy hh:mm' => self::DATETIME_FORMAT,
-    'dd/mm/yyyy hh:mm' => self::DATETIME_FORMAT,
-    'mm/dd/yyyy hh:mm:ss' => self::DATETIME_FORMAT,
-    'dd/mm/yyyy hh:mm:ss' => self::DATETIME_FORMAT,
-    'yyyy/mm/dd hh' => self::DATETIME_FORMAT,
-    'yyyy/mm/dd hh:mm' => self::DATETIME_FORMAT,
-    'yyyy/mm/dd hh:mm:ss' => self::DATETIME_FORMAT,
-
-    'mm/dd' => self::DATE_FORMAT,
-    'dd/mm' => self::DATE_FORMAT,
-    'mm/dd/yyyy' => self::DATE_FORMAT,
-    'dd/mm/yyyy' => self::DATE_FORMAT,
-    'yyyy/mm/dd' => self::DATE_FORMAT,
-    'mm/yyyy' => self::DATE_FORMAT,
-
-    'hh AM/PM' => self::TIME_FORMAT,
-    'hh:mm AM/PM' => self::TIME_FORMAT,
-    'hh:mm:ss AM/PM' => self::TIME_FORMAT,
-    'hh' => self::TIME_FORMAT,
-    'hh:mm' => self::TIME_FORMAT,
-    'hh:mm:ss' => self::TIME_FORMAT,
-    '[hh]:mm:ss' => self::TIME_FORMAT,
-    'mm:ss' => self::TIME_FORMAT,
-  ];
-
-  /** @var string|int|null nom de la feuille depuis laquelle lire */
-  const WSNAME = null;
-
-  function __construct($input, ?array $params=null) {
-    parent::__construct($input, $params);
-    $this->wsname = $params["wsname"] ?? static::WSNAME;
-  }
-
-  protected $wsname;
-
-  /**
-   * @param string|int|null $wsname
-   */
-  function setWsname($wsname): self {
-    $this->wsname = $wsname;
-    return $this;
-  }
-
-  function getIterator() {
-    $ss = IOFactory::load($this->input);
-    $ws = wsutils::get_ws($this->wsname, $ss);
-
-    [$nbCols, $nbRows] = wsutils::compute_max_coords($ws);
-    $this->isrc = $this->idest = 0;
-    for ($nrow = 1; $nrow <= $nbRows; $nrow++) {
-      $row = [];
-      for ($ncol = 1; $ncol <= $nbCols; $ncol++) {
-        if ($ws->cellExistsByColumnAndRow($ncol, $nrow)) {
-          $cell = $ws->getCellByColumnAndRow($ncol, $nrow);
-          $col = $cell->getValue();
-          if ($col instanceof RichText) {
-            $col = $col->getPlainText();
-          } else {
-            $dataType = $cell->getDataType();
-            if ($dataType == DataType::TYPE_NUMERIC || $dataType == DataType::TYPE_FORMULA) {
-              # si c'est un format date, le forcer à une valeur standard
-              $origFormatCode = $cell->getStyle()->getNumberFormat()->getFormatCode();
-              if (strpbrk($origFormatCode, "ymdhs") !== false) {
-                $formatCode = $origFormatCode;
-                $formatCode = preg_replace('/y+/', "yyyy", $formatCode);
-                $formatCode = preg_replace('/m+/', "mm", $formatCode);
-                $formatCode = preg_replace('/d+/', "dd", $formatCode);
-                $formatCode = preg_replace('/h+/', "hh", $formatCode);
-                $formatCode = preg_replace('/s+/', "ss", $formatCode);
-                $formatCode = preg_replace('/-+/', "/", $formatCode);
-                $formatCode = preg_replace('/\\\\ /', " ", $formatCode);
-                $formatCode = preg_replace('/;@$/', "", $formatCode);
-                $formatCode = cl::get(self::FORMAT_MAPPINGS, $formatCode, $formatCode);
-                if ($formatCode !== $origFormatCode) {
-                  $cell->getStyle()->getNumberFormat()->setFormatCode($formatCode);
-                }
-              }
-            }
-            $col = $cell->getFormattedValue();
-            $this->verifixCol($col);
-          }
-        } else {
-          $col = null;
-        }
-        $row[] = $col;
-      }
-      if ($this->cook($row)) {
-        yield $row;
-        $this->idest++;
-      }
-      $this->isrc++;
-    }
-  }
 }