1 files changed, 172 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/ColumnIterator.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/ColumnIterator.php
new file mode 100644
index 0000000..353b272
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/ColumnIterator.php
@@ -0,0 +1,172 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Worksheet;
+
+use Iterator;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Exception;
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+
+class ColumnIterator implements Iterator
+{
+    /**
+     * Worksheet to iterate.
+     *
+     * @var Worksheet
+     */
+    private $worksheet;
+
+    /**
+     * Current iterator position.
+     *
+     * @var int
+     */
+    private $currentColumnIndex = 1;
+
+    /**
+     * Start position.
+     *
+     * @var int
+     */
+    private $startColumnIndex = 1;
+
+    /**
+     * End position.
+     *
+     * @var int
+     */
+    private $endColumnIndex = 1;
+
+    /**
+     * Create a new column iterator.
+     *
+     * @param Worksheet $worksheet The worksheet to iterate over
+     * @param string $startColumn The column address at which to start iterating
+     * @param string $endColumn Optionally, the column address at which to stop iterating
+     */
+    public function __construct(Worksheet $worksheet, $startColumn = 'A', $endColumn = null)
+    {
+        // Set subject
+        $this->worksheet = $worksheet;
+        $this->resetEnd($endColumn);
+        $this->resetStart($startColumn);
+    }
+
+    /**
+     * Destructor.
+     */
+    public function __destruct()
+    {
+        $this->worksheet = null;
+    }
+
+    /**
+     * (Re)Set the start column and the current column pointer.
+     *
+     * @param string $startColumn The column address at which to start iterating
+     *
+     * @return $this
+     */
+    public function resetStart($startColumn = 'A')
+    {
+        $startColumnIndex = Coordinate::columnIndexFromString($startColumn);
+        if ($startColumnIndex > Coordinate::columnIndexFromString($this->worksheet->getHighestColumn())) {
+            throw new Exception("Start column ({$startColumn}) is beyond highest column ({$this->worksheet->getHighestColumn()})");
+        }
+
+        $this->startColumnIndex = $startColumnIndex;
+        if ($this->endColumnIndex < $this->startColumnIndex) {
+            $this->endColumnIndex = $this->startColumnIndex;
+        }
+        $this->seek($startColumn);
+
+        return $this;
+    }
+
+    /**
+     * (Re)Set the end column.
+     *
+     * @param string $endColumn The column address at which to stop iterating
+     *
+     * @return $this
+     */
+    public function resetEnd($endColumn = null)
+    {
+        $endColumn = $endColumn ? $endColumn : $this->worksheet->getHighestColumn();
+        $this->endColumnIndex = Coordinate::columnIndexFromString($endColumn);
+
+        return $this;
+    }
+
+    /**
+     * Set the column pointer to the selected column.
+     *
+     * @param string $column The column address to set the current pointer at
+     *
+     * @return $this
+     */
+    public function seek($column = 'A')
+    {
+        $column = Coordinate::columnIndexFromString($column);
+        if (($column < $this->startColumnIndex) || ($column > $this->endColumnIndex)) {
+            throw new PhpSpreadsheetException("Column $column is out of range ({$this->startColumnIndex} - {$this->endColumnIndex})");
+        }
+        $this->currentColumnIndex = $column;
+
+        return $this;
+    }
+
+    /**
+     * Rewind the iterator to the starting column.
+     */
+    public function rewind(): void
+    {
+        $this->currentColumnIndex = $this->startColumnIndex;
+    }
+
+    /**
+     * Return the current column in this worksheet.
+     *
+     * @return Column
+     */
+    public function current()
+    {
+        return new Column($this->worksheet, Coordinate::stringFromColumnIndex($this->currentColumnIndex));
+    }
+
+    /**
+     * Return the current iterator key.
+     *
+     * @return string
+     */
+    public function key()
+    {
+        return Coordinate::stringFromColumnIndex($this->currentColumnIndex);
+    }
+
+    /**
+     * Set the iterator to its next value.
+     */
+    public function next(): void
+    {
+        ++$this->currentColumnIndex;
+    }
+
+    /**
+     * Set the iterator to its previous value.
+     */
+    public function prev(): void
+    {
+        --$this->currentColumnIndex;
+    }
+
+    /**
+     * Indicate if more columns exist in the worksheet range of columns that we're iterating.
+     *
+     * @return bool
+     */
+    public function valid()
+    {
+        return $this->currentColumnIndex <= $this->endColumnIndex && $this->currentColumnIndex >= $this->startColumnIndex;
+    }
+}