7 files changed, 226 insertions, 0 deletions
diff --git a/vendor/gipfl/json/composer.json b/vendor/gipfl/json/composer.json
new file mode 100644
index 0000000..7e3f93c
--- /dev/null
+++ b/vendor/gipfl/json/composer.json
@@ -0,0 +1,20 @@
+{
+    "name": "gipfl/json",
+    "description": "Simple JSON-related helper classes and interfaces",
+    "type": "library",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "gipfl\\Json\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "Thomas Gelf",
+            "email": "thomas@gelf.net"
+        }
+    ],
+    "require": {
+      "ext-json": "*"
+    }
+}
diff --git a/vendor/gipfl/json/src/JsonDecodeException.php b/vendor/gipfl/json/src/JsonDecodeException.php
new file mode 100644
index 0000000..cd19aa7
--- /dev/null
+++ b/vendor/gipfl/json/src/JsonDecodeException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace gipfl\Json;
+
+class JsonDecodeException extends JsonException
+{
+}
diff --git a/vendor/gipfl/json/src/JsonEncodeException.php b/vendor/gipfl/json/src/JsonEncodeException.php
new file mode 100644
index 0000000..e9fcc5f
--- /dev/null
+++ b/vendor/gipfl/json/src/JsonEncodeException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace gipfl\Json;
+
+class JsonEncodeException extends JsonException
+{
+}
diff --git a/vendor/gipfl/json/src/JsonException.php b/vendor/gipfl/json/src/JsonException.php
new file mode 100644
index 0000000..e7b5f36
--- /dev/null
+++ b/vendor/gipfl/json/src/JsonException.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace gipfl\Json;
+
+use Exception;
+
+class JsonException extends Exception
+{
+    public static function forLastJsonError($msg = null)
+    {
+        if ($msg === null) {
+            return new static(static::getJsonErrorMessage(\json_last_error()));
+        } else {
+            return new static($msg . ': ' . static::getJsonErrorMessage(\json_last_error()));
+        }
+    }
+
+    public static function getJsonErrorMessage($code)
+    {
+        $map = [
+            JSON_ERROR_DEPTH          => 'The maximum stack depth has been exceeded',
+            JSON_ERROR_CTRL_CHAR      => 'Control character error, possibly incorrectly encoded',
+            JSON_ERROR_STATE_MISMATCH => 'Invalid or malformed JSON',
+            JSON_ERROR_SYNTAX         => 'JSON Syntax error',
+            JSON_ERROR_UTF8           => 'Malformed UTF-8 characters, possibly incorrectly encoded'
+        ];
+        if (\array_key_exists($code, $map)) {
+            return $map[$code];
+        }
+
+        if (PHP_VERSION_ID >= 50500) {
+            $map = [
+                JSON_ERROR_RECURSION => 'One or more recursive references in the value to be encoded',
+                JSON_ERROR_INF_OR_NAN => 'One or more NAN or INF values in the value to be encoded',
+                JSON_ERROR_UNSUPPORTED_TYPE => 'A value of a type that cannot be encoded was given',
+            ];
+            if (\array_key_exists($code, $map)) {
+                return $map[$code];
+            }
+        }
+
+        if (PHP_VERSION_ID >= 70000) {
+            $map = [
+                JSON_ERROR_INVALID_PROPERTY_NAME => 'A property name that cannot be encoded was given',
+                JSON_ERROR_UTF16 => 'Malformed UTF-16 characters, possibly incorrectly encoded',
+            ];
+
+            if (\array_key_exists($code, $map)) {
+                return $map[$code];
+            }
+        }
+
+        return 'An error occured when parsing a JSON string';
+    }
+}
diff --git a/vendor/gipfl/json/src/JsonSerialization.php b/vendor/gipfl/json/src/JsonSerialization.php
new file mode 100644
index 0000000..f5b058e
--- /dev/null
+++ b/vendor/gipfl/json/src/JsonSerialization.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace gipfl\Json;
+
+use JsonSerializable;
+
+interface JsonSerialization extends JsonSerializable
+{
+    /**
+     * @param mixed $any
+     * @return static
+     */
+    public static function fromSerialization($any);
+}
diff --git a/vendor/gipfl/json/src/JsonString.php b/vendor/gipfl/json/src/JsonString.php
new file mode 100644
index 0000000..b9e22b6
--- /dev/null
+++ b/vendor/gipfl/json/src/JsonString.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace gipfl\Json;
+
+use function json_decode;
+use function json_encode;
+use function json_last_error;
+
+class JsonString
+{
+    const DEFAULT_FLAGS = JSON_PRESERVE_ZERO_FRACTION | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE;
+
+    /**
+     * Encode with well-known flags, as we require the result to be reproducible
+     *
+     * @param $mixed
+     * @param int|null $flags
+     * @return string
+     * @throws JsonEncodeException
+     */
+    public static function encode($mixed, $flags = null)
+    {
+        if ($flags === null) {
+            $flags = self::DEFAULT_FLAGS;
+        } else {
+            $flags = self::DEFAULT_FLAGS | $flags;
+        }
+        $result = json_encode($mixed, $flags);
+
+        if ($result === false && json_last_error() !== JSON_ERROR_NONE) {
+            throw JsonEncodeException::forLastJsonError();
+        }
+
+        return $result;
+    }
+
+    /**
+     * Decode the given JSON string and make sure we get a meaningful Exception
+     *
+     * @param string $string
+     * @return mixed
+     * @throws JsonDecodeException
+     */
+    public static function decode($string)
+    {
+        $result = json_decode($string);
+
+        if ($result === null && json_last_error() !== JSON_ERROR_NONE) {
+            throw JsonDecodeException::forLastJsonError();
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param $string
+     * @return ?string
+     * @throws JsonDecodeException
+     */
+    public static function decodeOptional($string)
+    {
+        if ($string === null) {
+            return null;
+        }
+
+        return static::decode($string);
+    }
+}
diff --git a/vendor/gipfl/json/src/SerializationHelper.php b/vendor/gipfl/json/src/SerializationHelper.php
new file mode 100644
index 0000000..0714e30
--- /dev/null
+++ b/vendor/gipfl/json/src/SerializationHelper.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace gipfl\Json;
+
+use InvalidArgumentException;
+use JsonSerializable;
+use stdClass;
+
+class SerializationHelper
+{
+    /**
+     * TODO: Check whether json_encode() is faster
+     *
+     * @param mixed $value
+     * @return bool
+     */
+    public static function assertSerializableValue($value)
+    {
+        if ($value === null || is_scalar($value)) {
+            return true;
+        }
+        if (is_object($value)) {
+            if ($value instanceof JsonSerializable) {
+                return true;
+            }
+
+            if ($value instanceof stdClass) {
+                foreach ((array) $value as $val) {
+                    static::assertSerializableValue($val);
+                }
+
+                return true;
+            }
+        }
+
+        if (is_array($value)) {
+            foreach ($value as $val) {
+                static::assertSerializableValue($val);
+            }
+
+            return true;
+        }
+
+        throw new InvalidArgumentException('Serializable value expected, got ' . static::getPhpType($value));
+    }
+
+    public static function getPhpType($var)
+    {
+        if (is_object($var)) {
+            return get_class($var);
+        }
+
+        return gettype($var);
+    }
+}