Initial commit

src/Tree/ArrayNode.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+class ArrayNode extends Node implements CollapsibleNode
+{
+    use CollapsibleNodeTrait;
+
+    public function __construct(public array $items)
+    {
+    }
+
+    public function append(Node $value)
+    {
+        $this->items[] = $value;
+    }
+
+    public function removeIndex(int $index)
+    {
+        unset($this->items[$index]);
+        $this->items = array_values($this->items);
+    }
+
+    public function __clone()
+    {
+        $items = array_map(fn($v) => clone $v, $this->items);
+        return new ArrayNode($items);
+    }
+
+}
+

src/Tree/CollapsibleNode.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+interface CollapsibleNode
+{
+    public function collapse(bool $collapsed): self;
+
+    public function isCollapsed(): bool;
+}
+

src/Tree/CollapsibleNodeTrait.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+trait CollapsibleNodeTrait
+{
+    private bool $collapsed = false;
+
+    public function collapse(bool $collapsed): self
+    {
+        $this->collapsed = $collapsed;
+        return $this;
+    }
+
+    public function isCollapsed(): bool
+    {
+        return $this->collapsed;
+    }
+
+}
+

src/Tree/Node.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+abstract class Node
+{
+}
+

src/Tree/ObjectNode.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+class ObjectNode extends Node implements CollapsibleNode
+{
+    use CollapsibleNodeTrait;
+
+    public function __construct(public array $properties)
+    {
+    }
+
+    public function set(string $key, Node $value)
+    {
+        $this->properties[$key] = $value;
+    }
+
+    public function unset(string $key)
+    {
+        unset($this->properties[$key]);
+    }
+
+    public function __clone()
+    {
+        $properties = array_combine(
+            array_keys($this->properties),
+            array_map(fn($v) => clone $v, $this->properties)
+        );
+        return new ObjectNode($properties);
+    }
+
+}
+

src/Tree/Tree.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+class Tree
+{
+
+    public ?Node $root = null;
+
+    public function load(mixed $document): self
+    {
+        $this->root = $this->parseNode($document);
+        return $this;
+    }
+
+    private function parseNode(mixed $node): Node
+    {
+        if (is_array($node) && array_is_list($node)) {
+            return new ArrayNode(
+                array_map($this->parseNode(...), $node)
+            );
+        } elseif (is_object($node) || is_array($node)) {
+            return new ObjectNode(
+                array_combine(
+                    array_keys((array)$node),
+                    array_map($this->parseNode(...), (array)$node)
+                )
+            );
+        } else {
+            return new ValueNode($node);
+        }
+    }
+
+}
+

src/Tree/ValueNode.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace NoccyLabs\JEdit\Tree;
+
+class ValueNode extends Node
+{
+    public function __construct(public mixed $value)
+    {
+    }
+}
+