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|
<?php
namespace Mermaid;
use Parser;
use Html;
/**
* @license GNU GPL v2+
* @since 1.0
*
* @author mwjames
*/
class MermaidParserFunction {
/**
* @var Parser
*/
private $parser;
/**
* @var string
*/
private $defaultTheme = '';
/**
* @since 1.1
*
* @param string $defaultTheme
*
* @return callable
*/
public static function newCallback( $defaultTheme ) {
return function( $parser ) use ( $defaultTheme ) {
$mermaidParserFunction = new self(
$parser
);
$mermaidParserFunction->setDefaultTheme(
$defaultTheme
);
return $mermaidParserFunction->parse( func_get_args() );
};
}
/**
* @since 1.0
*
* @return Parser $parser
*/
public function __construct( Parser $parser ) {
$this->parser = $parser;
}
/**
* @since 1.0
*
* @param string $defaultTheme
*/
public function setDefaultTheme( $defaultTheme ) {
$this->defaultTheme = $defaultTheme;
}
/**
* @since 1.0
*
* @param array $params
*
* @return string
*/
public function parse( array $params ) {
$class = 'ext-mermaid';
$parserOutput = $this->parser->getOutput();
if( isset( $params[0] ) && $params[0] instanceof \Parser ) {
array_shift( $params );
}
// Signal the OutputPageParserOutput hook
$parserOutput->setExtensionData(
'ext-mermaid',
true
);
$parserOutput->addModuleStyles(
'ext.mermaid.styles'
);
$parserOutput->addModules(
'ext.mermaid'
);
$config = [
'theme' => $this->defaultTheme
];
foreach ( $params as $key => $param ) {
if ( strpos( $param, '=' ) !== false ) {
list( $k, $v ) = explode( '=', $param, 2 );
if ( $k === 'config.theme' ) {
$config['theme'] = $v;
unset( $params[$key] );
}
if ( $k === 'config.flowchart.curve' ) {
$config['flowchart'] = [ 'curve' => $v ];
unset( $params[$key] );
}
}
}
$content = implode( "|", $params );
return Html::rawElement(
'div',
[
'class' => $class,
'data-mermaid' => json_encode(
[
'content' => $content,
'config' => $config
]
)
],
Html::rawElement(
'div',
[
'class' => 'mermaid-dots',
]
)
);
}
}
|
