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-rw-r--r--vendor/setasign/fpdi/src/PdfParser/Type/PdfHexString.php77
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/setasign/fpdi/src/PdfParser/Type/PdfHexString.php b/vendor/setasign/fpdi/src/PdfParser/Type/PdfHexString.php
new file mode 100644
index 0000000..0084ada
--- /dev/null
+++ b/vendor/setasign/fpdi/src/PdfParser/Type/PdfHexString.php
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * This file is part of FPDI
+ *
+ * @package setasign\Fpdi
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
+ * @license http://opensource.org/licenses/mit-license The MIT License
+ */
+
+namespace setasign\Fpdi\PdfParser\Type;
+
+use setasign\Fpdi\PdfParser\StreamReader;
+
+/**
+ * Class representing a hexadecimal encoded PDF string object
+ */
+class PdfHexString extends PdfType
+{
+ /**
+ * Parses a hexadecimal string object from the stream reader.
+ *
+ * @param StreamReader $streamReader
+ * @return bool|self
+ */
+ public static function parse(StreamReader $streamReader)
+ {
+ $bufferOffset = $streamReader->getOffset();
+
+ while (true) {
+ $buffer = $streamReader->getBuffer(false);
+ $pos = \strpos($buffer, '>', $bufferOffset);
+ if ($pos === false) {
+ if (!$streamReader->increaseLength()) {
+ return false;
+ }
+ continue;
+ }
+
+ break;
+ }
+
+ $result = \substr($buffer, $bufferOffset, $pos - $bufferOffset);
+ $streamReader->setOffset($pos + 1);
+
+ $v = new self();
+ $v->value = $result;
+
+ return $v;
+ }
+
+ /**
+ * Helper method to create an instance.
+ *
+ * @param string $string The hex encoded string.
+ * @return self
+ */
+ public static function create($string)
+ {
+ $v = new self();
+ $v->value = $string;
+
+ return $v;
+ }
+
+ /**
+ * Ensures that the passed value is a PdfHexString instance.
+ *
+ * @param mixed $hexString
+ * @return self
+ * @throws PdfTypeException
+ */
+ public static function ensure($hexString)
+ {
+ return PdfType::ensureType(self::class, $hexString, 'Hex string value expected.');
+ }
+}