Initial commit

engine/class.dom.php

@@ -0,0 +1,85 @@
+<?php
+
+defined('ROOT_DIR') || exit;
+
+class DOM {
+    private string $tag_name;
+    private bool $end_tag;
+    private array $attributes = array();
+    public array $child_nodes = array();
+
+    public function __construct($tag_name, $end_tag = true)
+    {
+        $this->tag_name = $tag_name ?? "div";
+        $this->end_tag = $end_tag;
+    }
+
+    // Добавить атрибут
+    public function setAttribute($name, $value): bool
+    {
+        $this->attributes[$name] = $value;
+        return true;
+    }
+
+    // Вывести на экран DOM
+    public function view(): bool
+    {
+        echo $this->render();
+        return true;
+    }
+
+    // Отрендерить DOM
+    public function render(): string
+    {
+        $string_dom = "<" . $this->tag_name . $this->render_attributes() . ">";
+        if($this->end_tag) $string_dom .= $this->render_child();
+        if($this->end_tag) $string_dom .= "</". $this->tag_name . ">";
+        return $string_dom;
+    }
+
+    // Отрендерить Атрибуты DOM
+    private function render_attributes(): string
+    {
+        $string_attributes = "";
+        foreach ($this->attributes as $key => $value)
+            $string_attributes .= " $key='$value'";
+        return $string_attributes;
+    }
+
+    // Отрендерить дочерние DOM
+    private function render_child(): string
+    {
+        $string_child = "";
+        foreach ($this->child_nodes as $key => $value) {
+            if(gettype($value) == "string") {
+                $string_child .= $value;
+                continue;
+            }
+            $string_child .= $value->render();
+        }
+        return $string_child;
+    }
+
+    // Добавить дочерний DOM в конец
+    public function append($content): bool
+    {
+        if(gettype($content) != "string" && gettype($content) != "object") return false;
+        $this->child_nodes[] = $content;
+        return true;
+    }
+
+    // Добавить дочерний DOM в начало
+    public function prepend($content): bool
+    {
+        if(gettype($content) != "string" && gettype($content) != "object") return false;
+        array_unshift($this->child_nodes, $content);
+        return true;
+    }
+
+    // Очистить все дочерние DOM
+    public function clear(): bool
+    {
+        $this->child_nodes = array();
+        return true;
+    }
+}