<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
 *  - (c) John MacFarlane
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Util;

final class HtmlElement implements \Stringable
{
    /** @psalm-readonly */
    private string $tagName;

    /** @var array<string, string|bool> */
    private array $attributes = [];

    /** @var \Stringable|\Stringable[]|string */
    private $contents;

    /** @psalm-readonly */
    private bool $selfClosing;

    /**
     * @param string                                $tagName     Name of the HTML tag
     * @param array<string, string|string[]|bool>   $attributes  Array of attributes (values should be unescaped)
     * @param \Stringable|\Stringable[]|string|null $contents    Inner contents, pre-escaped if needed
     * @param bool                                  $selfClosing Whether the tag is self-closing
     */
    public function __construct(string $tagName, array $attributes = [], $contents = '', bool $selfClosing = false)
    {
        $this->tagName     = $tagName;
        $this->selfClosing = $selfClosing;

        foreach ($attributes as $name => $value) {
            $this->setAttribute($name, $value);
        }

        $this->setContents($contents ?? '');
    }

    /** @psalm-immutable */
    public function getTagName(): string
    {
        return $this->tagName;
    }

    /**
     * @return array<string, string|bool>
     *
     * @psalm-immutable
     */
    public function getAllAttributes(): array
    {
        return $this->attributes;
    }

    /**
     * @return string|bool|null
     *
     * @psalm-immutable
     */
    public function getAttribute(string $key)
    {
        return $this->attributes[$key] ?? null;
    }

    /**
     * @param string|string[]|bool $value
     */
    public function setAttribute(string $key, $value = true): self
    {
        if (\is_array($value)) {
            $this->attributes[$key] = \implode(' ', \array_unique($value));
        } else {
            $this->attributes[$key] = $value;
        }

        return $this;
    }

    /**
     * @return \Stringable|\Stringable[]|string
     *
     * @psalm-immutable
     */
    public function getContents(bool $asString = true)
    {
        if (! $asString) {
            return $this->contents;
        }

        return $this->getContentsAsString();
    }

    /**
     * Sets the inner contents of the tag (must be pre-escaped if needed)
     *
     * @param \Stringable|\Stringable[]|string $contents
     *
     * @return $this
     */
    public function setContents($contents): self
    {
        $this->contents = $contents ?? ''; // @phpstan-ignore-line

        return $this;
    }

    /** @psalm-immutable */
    public function __toString(): string
    {
        $result = '<' . $this->tagName;

        foreach ($this->attributes as $key => $value) {
            if ($value === true) {
                $result .= ' ' . $key;
            } elseif ($value === false) {
                continue;
            } else {
                $result .= ' ' . $key . '="' . Xml::escape($value) . '"';
            }
        }

        if ($this->contents !== '') {
            $result .= '>' . $this->getContentsAsString() . '</' . $this->tagName . '>';
        } elseif ($this->selfClosing && $this->tagName === 'input') {
            $result .= '>';
        } elseif ($this->selfClosing) {
            $result .= ' />';
        } else {
            $result .= '></' . $this->tagName . '>';
        }

        return $result;
    }

    /** @psalm-immutable */
    private function getContentsAsString(): string
    {
        if (\is_string($this->contents)) {
            return $this->contents;
        }

        if (\is_array($this->contents)) {
            return \implode('', $this->contents);
        }

        return (string) $this->contents;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox