1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/setasign/fpdi/src/PdfParser/Type/PdfDictionary.php b/vendor/setasign/fpdi/src/PdfParser/Type/PdfDictionary.php
new file mode 100644
index 0000000..2818842
--- /dev/null
+++ b/vendor/setasign/fpdi/src/PdfParser/Type/PdfDictionary.php
@@ -0,0 +1,134 @@
+<?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\PdfParser;
+use setasign\Fpdi\PdfParser\StreamReader;
+use setasign\Fpdi\PdfParser\Tokenizer;
+
+/**
+ * Class representing a PDF dictionary object
+ */
+class PdfDictionary extends PdfType
+{
+    /**
+     * Parses a dictionary of the passed tokenizer, stream-reader and parser.
+     *
+     * @param Tokenizer $tokenizer
+     * @param StreamReader $streamReader
+     * @param PdfParser $parser
+     * @return bool|self
+     * @throws PdfTypeException
+     */
+    public static function parse(Tokenizer $tokenizer, StreamReader $streamReader, PdfParser $parser)
+    {
+        $entries = [];
+
+        while (true) {
+            $token = $tokenizer->getNextToken();
+            if ($token === '>' && $streamReader->getByte() === '>') {
+                $streamReader->addOffset(1);
+                break;
+            }
+
+            $key = $parser->readValue($token);
+            if ($key === false) {
+                return false;
+            }
+
+            // ensure the first value to be a Name object
+            if (!($key instanceof PdfName)) {
+                $lastToken = null;
+                // ignore all other entries and search for the closing brackets
+                while (($token = $tokenizer->getNextToken()) !== '>' && $token !== false && $lastToken !== '>') {
+                    $lastToken = $token;
+                }
+
+                if ($token === false) {
+                    return false;
+                }
+
+                break;
+            }
+
+
+            $value = $parser->readValue();
+            if ($value === false) {
+                return false;
+            }
+
+            if ($value instanceof PdfNull) {
+                continue;
+            }
+
+            // catch missing value
+            if ($value instanceof PdfToken && $value->value === '>' && $streamReader->getByte() === '>') {
+                $streamReader->addOffset(1);
+                break;
+            }
+
+            $entries[$key->value] = $value;
+        }
+
+        $v = new self();
+        $v->value = $entries;
+
+        return $v;
+    }
+
+    /**
+     * Helper method to create an instance.
+     *
+     * @param PdfType[] $entries The keys are the name entries of the dictionary.
+     * @return self
+     */
+    public static function create(array $entries = [])
+    {
+        $v = new self();
+        $v->value = $entries;
+
+        return $v;
+    }
+
+    /**
+     * Get a value by its key from a dictionary or a default value.
+     *
+     * @param mixed $dictionary
+     * @param string $key
+     * @param PdfType|null $default
+     * @return PdfNull|PdfType
+     * @throws PdfTypeException
+     */
+    public static function get($dictionary, $key, PdfType $default = null)
+    {
+        $dictionary = self::ensure($dictionary);
+
+        if (isset($dictionary->value[$key])) {
+            return $dictionary->value[$key];
+        }
+
+        return $default === null
+            ? new PdfNull()
+            : $default;
+    }
+
+    /**
+     * Ensures that the passed value is a PdfDictionary instance.
+     *
+     * @param mixed $dictionary
+     * @return self
+     * @throws PdfTypeException
+     */
+    public static function ensure($dictionary)
+    {
+        return PdfType::ensureType(self::class, $dictionary, 'Dictionary value expected.');
+    }
+}