X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=web%2Fmodules%2Fcontrib%2Fdrupalmoduleupgrader%2Fsrc%2FRouting%2FParameterBinding.php;fp=web%2Fmodules%2Fcontrib%2Fdrupalmoduleupgrader%2Fsrc%2FRouting%2FParameterBinding.php;h=d43ef40c60295e820f8cd90de75701677618a69c;hp=0000000000000000000000000000000000000000;hb=8acec36f19c470dfcda1ae2336826a782f41874c;hpb=e0411c4e83ba0d079034db83c3f7f55be24a0e35

diff --git a/web/modules/contrib/drupalmoduleupgrader/src/Routing/ParameterBinding.php b/web/modules/contrib/drupalmoduleupgrader/src/Routing/ParameterBinding.php
new file mode 100644
index 000000000..d43ef40c6
--- /dev/null
+++ b/web/modules/contrib/drupalmoduleupgrader/src/Routing/ParameterBinding.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace Drupal\drupalmoduleupgrader\Routing;
+
+use Drupal\drupalmoduleupgrader\Utility\Path\Drupal7\PathComponent;
+use Drupal\drupalmoduleupgrader\Utility\Path\PathUtilityInterface;
+use Pharborist\Functions\ParameterNode;
+use Pharborist\Types\ScalarNode;
+
+/**
+ * Represents a binding between a single callback parameter and a single
+ * path component in a Drupal 8 route path, possibly affected by an argument.
+ */
+class ParameterBinding {
+
+  /**
+   * @var PathUtilityInterface
+   */
+  protected $path;
+
+  /**
+   * @var ParameterNode
+   */
+  protected $parameter;
+
+  /**
+   * @var mixed
+   */
+  protected $argument;
+
+  /**
+   * The trouble with Drupal 7 callback arguments is that virtually any value
+   * could be explicitly passed, including NULL and FALSE. -1 is an illegal
+   * value because it's an integer, but not a valid path position. So we'll
+   * use it here as a signal that no argument is explicitly bound to the
+   * parameter.
+   */
+  const NO_ARGUMENT = -1;
+
+  public function __construct(PathUtilityInterface $path, ParameterNode $parameter, $argument = self::NO_ARGUMENT) {
+    // Clone $path so that we have our own copy to look at. The original $path
+    // is (probably) modified by upstream code.
+    $this->path = clone $path;
+    $this->parameter = $parameter;
+    $this->argument = $argument;
+  }
+
+  /**
+   * The original parameter node.
+   *
+   * @return \Pharborist\Functions\ParameterNode
+   */
+  public function getParameter() {
+    return $this->parameter;
+  }
+
+  /**
+   * Returns if the parameter is explicitly represented in the path.
+   *
+   * @return boolean
+   */
+  public function inPath() {
+    return ($this->isPathPosition() && sizeof($this->path) > $this->getArgument());
+  }
+
+  /**
+   * Returns if this binding has an explicit argument.
+   *
+   * @return boolean
+   */
+  public function hasArgument() {
+    return ($this->getArgument() !== self::NO_ARGUMENT);
+  }
+
+  /**
+   * Returns the argument.
+   *
+   * @return mixed
+   */
+  public function getArgument() {
+    return $this->argument;
+  }
+
+  /**
+   * Whether or not the argument is a path position (integer greater
+   * than or equal to 0).
+   *
+   * @return boolean
+   */
+  public function isPathPosition() {
+    return ($this->hasArgument() && is_integer($this->getArgument()));
+  }
+
+  /**
+   * Returns the value of the binding. If the value is an instance of
+   * \Drupal\drupalmoduleupgrader\Utility\Path\PathComponentInterface,
+   * the binding expects to be physically represented in the path, although
+   * it may not yet be (this can be ascertained by the inPath() method). Any
+   * other value is used verbatim.
+   *
+   * @return mixed
+   */
+  public function getValue() {
+    if ($this->hasArgument()) {
+      if ($this->isPathPosition()) {
+        $position = $this->getArgument();
+        return $this->path->containsKey($position) ? $this->path[$position] : new PathComponent('%');
+      }
+      else {
+        return $this->getArgument();
+      }
+    }
+    else {
+      $value = $this->getParameter()->getValue();
+
+      if ($value instanceof ScalarNode) {
+        return $value->toValue();
+      }
+    }
+  }
+
+}