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-rw-r--r--vendor/guzzlehttp/psr7/src/LazyOpenStream.php49
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/psr7/src/LazyOpenStream.php b/vendor/guzzlehttp/psr7/src/LazyOpenStream.php
new file mode 100644
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+++ b/vendor/guzzlehttp/psr7/src/LazyOpenStream.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GuzzleHttp\Psr7;
+
+use Psr\Http\Message\StreamInterface;
+
+/**
+ * Lazily reads or writes to a file that is opened only after an IO operation
+ * take place on the stream.
+ */
+final class LazyOpenStream implements StreamInterface
+{
+ use StreamDecoratorTrait;
+
+ /** @var string */
+ private $filename;
+
+ /** @var string */
+ private $mode;
+
+ /**
+ * @var StreamInterface
+ */
+ private $stream;
+
+ /**
+ * @param string $filename File to lazily open
+ * @param string $mode fopen mode to use when opening the stream
+ */
+ public function __construct(string $filename, string $mode)
+ {
+ $this->filename = $filename;
+ $this->mode = $mode;
+
+ // unsetting the property forces the first access to go through
+ // __get().
+ unset($this->stream);
+ }
+
+ /**
+ * Creates the underlying stream lazily when required.
+ */
+ protected function createStream(): StreamInterface
+ {
+ return Utils::streamFor(Utils::tryFopen($this->filename, $this->mode));
+ }
+}