Developer
<?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;
}
}
Developer
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