Revert "composer updates"

This reverts commit dbfe748d274f6843fc91a3071df7be45c4ab5b00

16 files changed, 43 insertions, 119 deletions

diff --git a/vendor/sabre/xml/.gitignore b/vendor/sabre/xml/.gitignore
index a85591183..51fc188bf 100644
--- a/vendor/sabre/xml/.gitignore
+++ b/vendor/sabre/xml/.gitignore
@@ -1,22 +1,10 @@
-# Composer
 vendor
 composer.lock
-
-# Tests
 tests/cov
-tests/.phpunit.result.cache
 .*.swp
+.php_cs.cache
 
 # Composer binaries
 bin/phpunit
 bin/php-cs-fixer
-bin/phpstan
-bin/phpstan.phar
-
-# Vim
-.*.swp
-
-# IDEs
-/.idea
-
-.php_cs.cache
+bin/sabre-cs-fixer
diff --git a/vendor/sabre/xml/.php_cs.dist b/vendor/sabre/xml/.php_cs.dist
index c5c78a971..8d61ee259 100644
--- a/vendor/sabre/xml/.php_cs.dist
+++ b/vendor/sabre/xml/.php_cs.dist
@@ -6,7 +6,7 @@ $config->getFinder()
     ->in(__DIR__);
 $config->setRules([
     '@PSR1' => true,
-    '@Symfony' => true
+    '@Symfony' =>true
 ]);
 
 return $config;
\ No newline at end of file
diff --git a/vendor/sabre/xml/.travis.yml b/vendor/sabre/xml/.travis.yml
index 953c2a60b..49a0c9a22 100644
--- a/vendor/sabre/xml/.travis.yml
+++ b/vendor/sabre/xml/.travis.yml
@@ -1,20 +1,19 @@
 language: php
 sudo: required
+dist: xenial
 php:
+  - 7.0
   - 7.1
   - 7.2
-  - 7.3
-  - 7.4
+  - 7.3snapshot
 
-env:
-  global:
-    - RUN_PHPSTAN="FALSE"
+addons:
+  apt:
+    packages:
+    # required for php7.3
+    - libzip4
 
 matrix:
-  include:
-    - name: 'PHPStan'
-      php: 7.2
-      env: RUN_PHPSTAN="TRUE"
   fast_finish: true
 
 cache:
@@ -22,15 +21,11 @@ cache:
     - $HOME/.composer/cache
 
 install:
-  - if [ $RUN_PHPSTAN == "TRUE"  ]; then composer require --dev phpstan/phpstan:^0.12; fi
-
-before_script:
   - composer install
 
 script:
-  - if [ $RUN_PHPSTAN == "FALSE"  ]; then ./bin/php-cs-fixer  fix --dry-run --diff; fi
-  - if [ $RUN_PHPSTAN == "FALSE"  ]; then ./bin/phpunit --configuration tests/phpunit.xml  --coverage-clover=coverage.xml; fi
-  - if [ $RUN_PHPSTAN == "TRUE"  ]; then php ./bin/phpstan analyse -c phpstan.neon lib; fi
+  - ./bin/phpunit --configuration tests/phpunit.xml.dist  --coverage-clover=coverage.xml
 
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
+- bash <(curl -s https://codecov.io/bash)
+
diff --git a/vendor/sabre/xml/CHANGELOG.md b/vendor/sabre/xml/CHANGELOG.md
index bbfc8ddec..1ad830124 100644
--- a/vendor/sabre/xml/CHANGELOG.md
+++ b/vendor/sabre/xml/CHANGELOG.md
@@ -1,28 +1,16 @@
 ChangeLog
 =========
 
-2.2.0 (2020-01-31)
-------------------
-
-* #171: Added Support for PHP 7.4, dropped Support for PHP 7.0 (@staabm, @phil-davis)
-* #174: Update testsuite to phpunit8 (@phil-davis)
-* Added phpstan coverage (@phil-davis)
-* #144: Added a new `functionCaller` deserializer function for executing a callable when reading a XML
-element (@vsouz4)
-
-
 2.1.3 (2019-08-14)
 ------------------
 
 * #166: Throw exception when empty inputs found
 
-
 2.1.2 (2019-01-09)
 ------------------
 
 * #161: Prevent infinite loop on empty xml elements
 
-
 2.1.1 (2018-10-09)
 ------------------
 
diff --git a/vendor/sabre/xml/composer.json b/vendor/sabre/xml/composer.json
index 2af0dd458..c782dbc5e 100644
--- a/vendor/sabre/xml/composer.json
+++ b/vendor/sabre/xml/composer.json
@@ -5,7 +5,7 @@
     "homepage" : "https://sabre.io/xml/",
     "license" : "BSD-3-Clause",
     "require" : {
-        "php" : "^7.1",
+        "php" : ">=7.0",
         "ext-xmlwriter" : "*",
         "ext-xmlreader" : "*",
         "ext-dom" : "*",
@@ -44,8 +44,7 @@
         }
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "~2.16.1",
-        "phpunit/phpunit" : "^7 || ^8"
+        "phpunit/phpunit" : "^6"
     },
     "config" : {
         "bin-dir" : "bin/"
diff --git a/vendor/sabre/xml/lib/ContextStackTrait.php b/vendor/sabre/xml/lib/ContextStackTrait.php
index 757088847..bc770ffad 100644
--- a/vendor/sabre/xml/lib/ContextStackTrait.php
+++ b/vendor/sabre/xml/lib/ContextStackTrait.php
@@ -45,7 +45,7 @@ trait ContextStackTrait
      * common use-case for parsing XML documents, it's added here as a
      * convenience.
      *
-     * @var string|null
+     * @var string
      */
     public $contextUri;
 
diff --git a/vendor/sabre/xml/lib/Deserializer/functions.php b/vendor/sabre/xml/lib/Deserializer/functions.php
index c4f240970..0eff4b7e0 100644
--- a/vendor/sabre/xml/lib/Deserializer/functions.php
+++ b/vendor/sabre/xml/lib/Deserializer/functions.php
@@ -173,7 +173,7 @@ function enum(Reader $reader, string $namespace = null): array
         if (!is_null($namespace) && $namespace === $reader->namespaceURI) {
             $values[] = $reader->localName;
         } else {
-            $values[] = (string) $reader->getClark();
+            $values[] = $reader->getClark();
         }
     } while ($reader->depth >= $currentDepth && $reader->next());
 
@@ -316,44 +316,3 @@ function mixedContent(Reader $reader): array
 
     return $content;
 }
-
-/**
- * The functionCaller deserializer turns an xml element into whatever your callable return.
- *
- * You can use, e.g., a named constructor (factory method) to create an object using
- * this function.
- *
- * @return mixed
- */
-function functionCaller(Reader $reader, callable $func, string $namespace)
-{
-    if ($reader->isEmptyElement) {
-        $reader->next();
-
-        return null;
-    }
-
-    $funcArgs = [];
-    $func = is_string($func) && false !== strpos($func, '::') ? explode('::', $func) : $func;
-    $ref = is_array($func) ? new \ReflectionMethod($func[0], $func[1]) : new \ReflectionFunction($func);
-    foreach ($ref->getParameters() as $parameter) {
-        $funcArgs[$parameter->getName()] = null;
-    }
-
-    $reader->read();
-    do {
-        if (Reader::ELEMENT === $reader->nodeType && $reader->namespaceURI == $namespace) {
-            if (array_key_exists($reader->localName, $funcArgs)) {
-                $funcArgs[$reader->localName] = $reader->parseCurrentElement()['value'];
-            } else {
-                // Ignore property
-                $reader->next();
-            }
-        } else {
-            $reader->read();
-        }
-    } while (Reader::END_ELEMENT !== $reader->nodeType);
-    $reader->read();
-
-    return $func(...array_values($funcArgs));
-}
diff --git a/vendor/sabre/xml/lib/Element/Uri.php b/vendor/sabre/xml/lib/Element/Uri.php
index 2644fbcd7..898a26457 100644
--- a/vendor/sabre/xml/lib/Element/Uri.php
+++ b/vendor/sabre/xml/lib/Element/Uri.php
@@ -91,7 +91,7 @@ class Uri implements Xml\Element
     {
         return new self(
             \Sabre\Uri\resolve(
-                (string) $reader->contextUri,
+                $reader->contextUri,
                 $reader->readText()
             )
         );
diff --git a/vendor/sabre/xml/lib/Element/XmlFragment.php b/vendor/sabre/xml/lib/Element/XmlFragment.php
index 12109e5c9..413e0f106 100644
--- a/vendor/sabre/xml/lib/Element/XmlFragment.php
+++ b/vendor/sabre/xml/lib/Element/XmlFragment.php
@@ -85,7 +85,7 @@ XML;
             switch ($reader->nodeType) {
                 case Reader::ELEMENT:
                     $writer->startElement(
-                        (string) $reader->getClark()
+                        $reader->getClark()
                     );
                     $empty = $reader->isEmptyElement;
                     while ($reader->moveToNextAttribute()) {
@@ -97,7 +97,7 @@ XML;
                                 // Skip namespace declarations
                                 break;
                             default:
-                                $writer->writeAttribute((string) $reader->getClark(), $reader->value);
+                                $writer->writeAttribute($reader->getClark(), $reader->value);
                                 break;
                         }
                     }
diff --git a/vendor/sabre/xml/lib/LibXMLException.php b/vendor/sabre/xml/lib/LibXMLException.php
index ae136f57b..4701c304a 100644
--- a/vendor/sabre/xml/lib/LibXMLException.php
+++ b/vendor/sabre/xml/lib/LibXMLException.php
@@ -21,7 +21,7 @@ class LibXMLException extends ParseException
     /**
      * The error list.
      *
-     * @var \LibXMLError[]
+     * @var []LibXMLError
      */
     protected $errors;
 
@@ -30,7 +30,8 @@ class LibXMLException extends ParseException
      *
      * You should pass a list of LibXMLError objects in its constructor.
      *
-     * @param LibXMLError[] $errors
+     * @param []LibXMLError $errors
+     * @param int           $code
      * @param Throwable     $previousException
      */
     public function __construct(array $errors, int $code = 0, Throwable $previousException = null)
diff --git a/vendor/sabre/xml/lib/ParseException.php b/vendor/sabre/xml/lib/ParseException.php
index 5980b5fc4..e237b8732 100644
--- a/vendor/sabre/xml/lib/ParseException.php
+++ b/vendor/sabre/xml/lib/ParseException.php
@@ -4,8 +4,7 @@ declare(strict_types=1);
 
 namespace Sabre\Xml;
 
-use
-    Exception;
+use Exception;
 
 /**
  * This is a base exception for any exception related to parsing xml files.
diff --git a/vendor/sabre/xml/lib/Reader.php b/vendor/sabre/xml/lib/Reader.php
index a28cf8c3b..37e0c86dd 100644
--- a/vendor/sabre/xml/lib/Reader.php
+++ b/vendor/sabre/xml/lib/Reader.php
@@ -118,7 +118,7 @@ class Reader extends XMLReader
      * If the $elementMap argument is specified, the existing elementMap will
      * be overridden while parsing the tree, and restored after this process.
      *
-     * @return array|string|null
+     * @return array|string
      */
     public function parseInnerTree(array $elementMap = null)
     {
@@ -147,9 +147,7 @@ class Reader extends XMLReader
                 throw new ParseException('This should never happen (famous last words)');
             }
 
-            $keepOnParsing = true;
-
-            while ($keepOnParsing) {
+            while (true) {
                 if (!$this->isValid()) {
                     $errors = libxml_get_errors();
 
@@ -171,8 +169,7 @@ class Reader extends XMLReader
                     case self::END_ELEMENT:
                         // Ensuring we are moving the cursor after the end element.
                         $this->read();
-                        $keepOnParsing = false;
-                        break;
+                        break 2;
                     case self::NONE:
                         throw new ParseException('We hit the end of the document prematurely. This likely means that some parser "eats" too many elements. Do not attempt to continue parsing.');
                     default:
@@ -226,7 +223,7 @@ class Reader extends XMLReader
         }
 
         $value = call_user_func(
-            $this->getDeserializerForElementName((string) $name),
+            $this->getDeserializerForElementName($name),
             $this
         );
 
diff --git a/vendor/sabre/xml/lib/Serializer/functions.php b/vendor/sabre/xml/lib/Serializer/functions.php
index 8d0330558..3694d9791 100644
--- a/vendor/sabre/xml/lib/Serializer/functions.php
+++ b/vendor/sabre/xml/lib/Serializer/functions.php
@@ -148,7 +148,7 @@ function repeatingElements(Writer $writer, array $items, string $childElementNam
  *
  * You can even mix the two array syntaxes.
  *
- * @param string|int|float|bool|array|object $value
+ * @param string|int|float|bool|array|object
  */
 function standardSerializer(Writer $writer, $value)
 {
@@ -164,6 +164,8 @@ function standardSerializer(Writer $writer, $value)
     } elseif (is_callable($value)) {
         // A callback
         $value($writer);
+    } elseif (is_null($value)) {
+        // nothing!
     } elseif (is_array($value) && array_key_exists('name', $value)) {
         // if the array had a 'name' element, we assume that this array
         // describes a 'name' and optionally 'attributes' and 'value'.
@@ -202,7 +204,7 @@ function standardSerializer(Writer $writer, $value)
         }
     } elseif (is_object($value)) {
         throw new InvalidArgumentException('The writer cannot serialize objects of class: '.get_class($value));
-    } elseif (!is_null($value)) {
+    } else {
         throw new InvalidArgumentException('The writer cannot serialize values of type: '.gettype($value));
     }
 }
diff --git a/vendor/sabre/xml/lib/Service.php b/vendor/sabre/xml/lib/Service.php
index 9a2c47794..882b2dc2c 100644
--- a/vendor/sabre/xml/lib/Service.php
+++ b/vendor/sabre/xml/lib/Service.php
@@ -61,13 +61,6 @@ class Service
     public $classMap = [];
 
     /**
-     * A bitmask of the LIBXML_* constants.
-     *
-     * @var int
-     */
-    public $options = 0;
-
-    /**
      * Returns a fresh XML Reader.
      */
     public function getReader(): Reader
@@ -114,7 +107,7 @@ class Service
         if (is_resource($input)) {
             // Unfortunately the XMLReader doesn't support streams. When it
             // does, we can optimize this.
-            $input = (string) stream_get_contents($input);
+            $input = stream_get_contents($input);
 
             // If input is an empty string, then its safe to throw exception
             if ('' === $input) {
@@ -123,7 +116,7 @@ class Service
         }
         $r = $this->getReader();
         $r->contextUri = $contextUri;
-        $r->XML($input, null, $this->options);
+        $r->xml($input);
 
         $result = $r->parse();
         $rootElementName = $result['name'];
@@ -147,6 +140,7 @@ class Service
      *
      * @param string|string[] $rootElementName
      * @param string|resource $input
+     * @param string|null     $contextUri
      *
      * @throws ParseException
      *
@@ -157,7 +151,7 @@ class Service
         if (is_resource($input)) {
             // Unfortunately the XMLReader doesn't support streams. When it
             // does, we can optimize this.
-            $input = (string) stream_get_contents($input);
+            $input = stream_get_contents($input);
 
             // If input is empty string, then its safe to throw exception
             if ('' === $input) {
@@ -166,7 +160,7 @@ class Service
         }
         $r = $this->getReader();
         $r->contextUri = $contextUri;
-        $r->XML($input, null, $this->options);
+        $r->xml($input);
 
         $rootElementName = (array) $rootElementName;
 
@@ -178,7 +172,7 @@ class Service
 
         $result = $r->parse();
         if (!in_array($result['name'], $rootElementName, true)) {
-            throw new ParseException('Expected '.implode(' or ', $rootElementName).' but received '.$result['name'].' as the root element');
+            throw new ParseException('Expected '.implode(' or ', (array) $rootElementName).' but received '.$result['name'].' as the root element');
         }
 
         return $result['value'];
@@ -198,7 +192,7 @@ class Service
      * This allows an implementor to easily create URI's relative to the root
      * of the domain.
      *
-     * @param string|array|object|XmlSerializable $value
+     * @param string|array|XmlSerializable $value
      *
      * @return string
      */
diff --git a/vendor/sabre/xml/lib/Version.php b/vendor/sabre/xml/lib/Version.php
index cf2810c2a..65706ec42 100644
--- a/vendor/sabre/xml/lib/Version.php
+++ b/vendor/sabre/xml/lib/Version.php
@@ -16,5 +16,5 @@ class Version
     /**
      * Full version number.
      */
-    const VERSION = '2.2.0';
+    const VERSION = '2.1.1';
 }
diff --git a/vendor/sabre/xml/lib/Writer.php b/vendor/sabre/xml/lib/Writer.php
index e3238a7ed..f5957bbce 100644
--- a/vendor/sabre/xml/lib/Writer.php
+++ b/vendor/sabre/xml/lib/Writer.php
@@ -182,6 +182,8 @@ class Writer extends XMLWriter
      * XMLWriter::startElement doesn't either.
      *
      * @param array|string|object|null $content
+     *
+     * @return bool
      */
     public function writeElement($name, $content = null): bool
     {