1 files changed, 156 insertions, 0 deletions

diff --git a/vendor/doctrine/dbal/src/Driver/IBMDB2/Statement.php b/vendor/doctrine/dbal/src/Driver/IBMDB2/Statement.php
new file mode 100644
index 0000000..96852da
--- /dev/null
+++ b/vendor/doctrine/dbal/src/Driver/IBMDB2/Statement.php
@@ -0,0 +1,156 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\IBMDB2;
+
+use Doctrine\DBAL\Driver\Exception;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\CannotCopyStreamToStream;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\CannotCreateTemporaryFile;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\StatementError;
+use Doctrine\DBAL\Driver\Statement as StatementInterface;
+use Doctrine\DBAL\ParameterType;
+
+use function assert;
+use function db2_bind_param;
+use function db2_execute;
+use function error_get_last;
+use function fclose;
+use function is_int;
+use function is_resource;
+use function stream_copy_to_stream;
+use function stream_get_meta_data;
+use function tmpfile;
+
+use const DB2_BINARY;
+use const DB2_CHAR;
+use const DB2_LONG;
+use const DB2_PARAM_FILE;
+use const DB2_PARAM_IN;
+
+final class Statement implements StatementInterface
+{
+    /** @var mixed[] */
+    private array $parameters = [];
+
+    /**
+     * Map of LOB parameter positions to the tuples containing reference to the variable bound to the driver statement
+     * and the temporary file handle bound to the underlying statement
+     *
+     * @var array<int,string|resource|null>
+     */
+    private array $lobs = [];
+
+    /**
+     * @internal The statement can be only instantiated by its driver connection.
+     *
+     * @param resource $stmt
+     */
+    public function __construct(private readonly mixed $stmt)
+    {
+    }
+
+    public function bindValue(int|string $param, mixed $value, ParameterType $type): void
+    {
+        assert(is_int($param));
+
+        switch ($type) {
+            case ParameterType::INTEGER:
+                $this->bind($param, $value, DB2_PARAM_IN, DB2_LONG);
+                break;
+
+            case ParameterType::LARGE_OBJECT:
+                $this->lobs[$param] = &$value;
+                break;
+
+            default:
+                $this->bind($param, $value, DB2_PARAM_IN, DB2_CHAR);
+                break;
+        }
+    }
+
+    /** @throws Exception */
+    private function bind(int $position, mixed &$variable, int $parameterType, int $dataType): void
+    {
+        $this->parameters[$position] =& $variable;
+
+        if (! db2_bind_param($this->stmt, $position, '', $parameterType, $dataType)) {
+            throw StatementError::new($this->stmt);
+        }
+    }
+
+    public function execute(): Result
+    {
+        $handles = $this->bindLobs();
+
+        $result = @db2_execute($this->stmt, $this->parameters);
+
+        foreach ($handles as $handle) {
+            fclose($handle);
+        }
+
+        $this->lobs = [];
+
+        if ($result === false) {
+            throw StatementError::new($this->stmt);
+        }
+
+        return new Result($this->stmt);
+    }
+
+    /**
+     * @return list<resource>
+     *
+     * @throws Exception
+     */
+    private function bindLobs(): array
+    {
+        $handles = [];
+
+        foreach ($this->lobs as $param => $value) {
+            if (is_resource($value)) {
+                $handle = $handles[] = $this->createTemporaryFile();
+                $path   = stream_get_meta_data($handle)['uri'];
+
+                $this->copyStreamToStream($value, $handle);
+
+                $this->bind($param, $path, DB2_PARAM_FILE, DB2_BINARY);
+            } else {
+                $this->bind($param, $value, DB2_PARAM_IN, DB2_CHAR);
+            }
+
+            unset($value);
+        }
+
+        return $handles;
+    }
+
+    /**
+     * @return resource
+     *
+     * @throws Exception
+     */
+    private function createTemporaryFile()
+    {
+        $handle = @tmpfile();
+
+        if ($handle === false) {
+            throw CannotCreateTemporaryFile::new(error_get_last());
+        }
+
+        return $handle;
+    }
+
+    /**
+     * @param resource $source
+     * @param resource $target
+     *
+     * @throws Exception
+     */
+    private function copyStreamToStream($source, $target): void
+    {
+        if (@stream_copy_to_stream($source, $target) === false) {
+            throw CannotCopyStreamToStream::new(error_get_last());
+        }
+    }
+}