AST example for Affinity4\Temple - Indented engine language for PHP

ast.php

<?php

$input = <<<INPUT
use Affinity4\Temple\Temple

html(lang=en_IE)
    head
        css(path/to/style)
        js(path/to/js defer)
    body.app.theme__affinity4#app
        h1: Page Title
        
        Temple::component(component-filename, param1="value", param2=$variable_passed_to_render)
INPUT;

$ast = [
    UseStatement(
        path: 'Affinity4\Temple\Temple'
    ),
    HtmlElement(
        tagname: 'html',
        attributes: [
            HtmlAttribute(
                attribute_name: TypeString(
                    value: 'lang'
                ),
                attribute_value: TypeString(
                    value: 'en_IE'
                )
            )
        ],
        children: [ // If array, (empty or not) then this element is not self closing /can have children
            HtmlElement(
                tagname: 'head',
                attributes: [],
                children: [
                    HtmlElement(
                        tag:name: 'link',
                        attributes: [
                            HtmlAttribute(
                                attribute_name: 'href',
                                attribute_value: TypeString(
                                    value: 'path/to/style.css'
                                ) // file extension automatically appended, if missing
                            ),
                            HtmlAttribute(
                                attribute_name: 'type',
                                attribute_value: TypeString(
                                    value: 'text/css'
                                )
                            ),
                            HtmlAttribute(
                                attribute_name: 'rel',
                                attribute_value: TypeString(
                                    value: 'stylesheet'
                                )
                            ),
                            HtmlAttribute(
                                attribute_name: 'media',
                                attribute_value: TypeString(
                                    value: 'all'
                                )
                            )
                        ],
                        children: false // self closing. Cannot have child elements
                    ),
                    HtmlElement(
                        tag:name: 'link',
                        attributes: [
                            HtmlAttribute(
                                attribute_name: 'src',
                                attribute_value: TypeString(
                                    value: 'path/to/style.css'
                                )
                            ),
                            HtmlAttribute(
                                attribute_name: 'type',
                                attribute_value: TypeString(
                                    value: 'text/javascript'
                                )
                            ),
                            HtmlAttribute(
                                attribute_name: 'defer',
                                attribute_value: null // null means this attribute can be generated without an ="" e.g. <script defer src="..." type="..." />
                            )
                        ],
                        children: false // self closing. Cannot have child elements
                    ),
                ]
            ),
            // body
            HtmlElement(
                tagname: 'body',
                attributes: [
                    HtmlAttribute(
                        attribute_name: 'class',
                        attribute_value: TypeString(
                            value: 'app theme__affinity4'
                        )
                    ),
                    HtmlAttribute(
                        attribute_name: 'id',
                        attribute_value: TypeString(
                            value: 'app'
                        )
                    )
                ],
                children: [
                    HtmlElement(
                        tagname: 'h1',
                        attributes: [
                            TextNode(
                                value: "Page Title"
                            ),
                            TempleComponent(
                                arguments: [
                                    Argument(
                                        value: FileNameArgument(
                                            file_name: 'component-filename',
                                            file_path: './components/component-filename.php', // will loop through the componets folder to find the file and will populate this field when it find the file
                                        )
                                    )
                                    Argument(
                                        value: TypeString(
                                            value: "value"
                                        )
                                    ),
                                    Argument(
                                        value: TypeExpresion(
                                            value: $variable_passed_to_render
                                        )
                                    )
                                ]
                            )
                        ]
                    )
                ]
            )
        ]
    )
]