<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2021 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Plugins\Litedown;
use s9e\TextFormatter\Configurator\Items\Tag;
use s9e\TextFormatter\Plugins\ConfiguratorBase;
use s9e\TextFormatter\Plugins\Litedown\Parser\Slugger;
class Configurator extends ConfiguratorBase
{
/**
* @var bool Whether to decode HTML entities in attribute values
*/
public $decodeHtmlEntities = false;
/**
* @var array Default tags
*/
protected $tags = [
'C' => '<code><xsl:apply-templates/></code>',
'CODE' => [
'attributes' => [
'lang' => [
'filterChain' => ['#simpletext'],
'required' => false
]
],
'template' =>
'<pre>
<code>
<xsl:if test="@lang">
<xsl:attribute name="class">
<xsl:text>language-</xsl:text>
<xsl:value-of select="@lang"/>
</xsl:attribute>
</xsl:if>
<xsl:apply-templates/>
</code>
</pre>'
],
'DEL' => '<del><xsl:apply-templates/></del>',
'EM' => '<em><xsl:apply-templates/></em>',
'EMAIL' => [
'attributes' => ['email' => ['filterChain' => ['#email']]],
'template' => '<a href="mailto:{@email}"><xsl:apply-templates/></a>'
],
'H1' => '<h1><xsl:apply-templates/></h1>',
'H2' => '<h2><xsl:apply-templates/></h2>',
'H3' => '<h3><xsl:apply-templates/></h3>',
'H4' => '<h4><xsl:apply-templates/></h4>',
'H5' => '<h5><xsl:apply-templates/></h5>',
'H6' => '<h6><xsl:apply-templates/></h6>',
'HR' => '<hr/>',
'IMG' => [
'attributes' => [
'alt' => ['required' => false ],
'src' => ['filterChain' => ['#url']],
'title' => ['required' => false ]
],
'template' => '<img src="{@src}"><xsl:copy-of select="@alt"/><xsl:copy-of select="@title"/></img>'
],
'ISPOILER' => '<span class="spoiler" data-s9e-livepreview-ignore-attrs="style" onclick="removeAttribute(\'style\')" style="background:#444;color:transparent"><xsl:apply-templates/></span>',
'LI' => '<li><xsl:apply-templates/></li>',
'LIST' => [
'attributes' => [
'start' => [
'filterChain' => ['#uint'],
'required' => false
],
'type' => [
'filterChain' => ['#simpletext'],
'required' => false
]
],
'template' =>
'<xsl:choose>
<xsl:when test="not(@type)">
<ul><xsl:apply-templates/></ul>
</xsl:when>
<xsl:otherwise>
<ol><xsl:copy-of select="@start"/><xsl:apply-templates/></ol>
</xsl:otherwise>
</xsl:choose>'
],
'QUOTE' => '<blockquote><xsl:apply-templates/></blockquote>',
'SPOILER' => '<details class="spoiler" data-s9e-livepreview-ignore-attrs="open"><xsl:apply-templates/></details>',
'STRONG' => '<strong><xsl:apply-templates/></strong>',
'SUB' => '<sub><xsl:apply-templates/></sub>',
'SUP' => '<sup><xsl:apply-templates/></sup>',
'URL' => [
'attributes' => [
'title' => ['required' => false ],
'url' => ['filterChain' => ['#url']]
],
'template' => '<a href="{@url}"><xsl:copy-of select="@title"/><xsl:apply-templates/></a>'
]
];
/**
* {@inheritdoc}
*/
protected function setUp()
{
$this->configurator->rulesGenerator->append('ManageParagraphs');
foreach ($this->tags as $tagName => $tagConfig)
{
// Skip this tag if it already exists
if (isset($this->configurator->tags[$tagName]))
{
continue;
}
// If the tag's config is a single string, it's really its default template
if (is_string($tagConfig))
{
$tagConfig = ['template' => $tagConfig];
}
// Add this tag
$this->configurator->tags->add($tagName, $tagConfig);
}
}
/**
* Add an "id" attribute to headers
*
* @param string $prefix Prefix used for the "id" value
* @return void
*/
public function addHeadersId(string $prefix = ''): void
{
for ($i = 1; $i <= 6; ++$i)
{
$tagName = 'H' . $i;
if (isset($this->configurator->tags[$tagName]))
{
$this->addHeaderId($this->configurator->tags[$tagName], $prefix);
}
}
}
/**
* Add an "id" attribute to given tag
*
* @param Tag $tag
* @param string $prefix Prefix used for the "id" value
* @return void
*/
protected function addHeaderId(Tag $tag, string $prefix): void
{
if (!isset($tag->attributes['slug']))
{
unset($tag->attributes['slug']);
}
$tag->attributes->add('slug')->required = false;
$tag->filterChain
->append(Slugger::class . '::setTagSlug($tag, $innerText)')
->setJS(Slugger::getJS());
$dom = $tag->template->asDOM();
foreach ($dom->query('//xsl:if[@test = "@slug"]') as $if)
{
// Remove any pre-existing xsl:if from previous invocations
$if->remove();
}
foreach ($dom->query('//h1 | //h2 | //h3 | //h4 | //h5 | //h6') as $header)
{
$header->prependXslIf('@slug')
->appendXslAttribute('id', $prefix)
->appendXslValueOf('@slug');
}
$dom->saveChanges();
}
/**
* {@inheritdoc}
*/
public function asConfig()
{
return ['decodeHtmlEntities' => (bool) $this->decodeHtmlEntities];
}
/**
* {@inheritdoc}
*/
public function getJSHints()
{
return ['LITEDOWN_DECODE_HTML_ENTITIES' => (int) $this->decodeHtmlEntities];
}
/**
* {@inheritdoc}
*/
public function getJSParser()
{
$js = file_get_contents(__DIR__ . '/Parser/ParsedText.js') . "\n"
. file_get_contents(__DIR__ . '/Parser/Passes/AbstractInlineMarkup.js') . "\n"
. file_get_contents(__DIR__ . '/Parser/Passes/AbstractScript.js') . "\n"
. file_get_contents(__DIR__ . '/Parser/LinkAttributesSetter.js');
$passes = [
'Blocks',
'LinkReferences',
'InlineCode',
'Images',
'InlineSpoiler',
'Links',
'Strikethrough',
'Subscript',
'Superscript',
'Emphasis',
'ForcedLineBreaks'
];
foreach ($passes as $pass)
{
$js .= "\n(function(){\n"
. file_get_contents(__DIR__ . '/Parser/Passes/' . $pass . '.js') . "\n"
. "parse();\n"
. "})();";
}
return $js;
}
}