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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
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import Operation from "../Operation.mjs" ;
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import hljs from "highlight.js" ;
/**
* Syntax highlighter operation
*/
class SyntaxHighlighter extends Operation {
/**
* SyntaxHighlighter constructor
*/
constructor () {
super ();
this . name = "Syntax highlighter" ;
this . module = "Code" ;
this . description = "Adds syntax highlighting to a range of source code languages. Note that this will not indent the code. Use one of the 'Beautify' operations for that." ;
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this . infoURL = "https://wikipedia.org/wiki/Syntax_highlighting" ;
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this . inputType = "string" ;
this . outputType = "html" ;
this . args = [
{
"name" : "Language" ,
"type" : "option" ,
"value" : [ "auto detect" ]. concat ( hljs . listLanguages ())
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {html}
*/
run ( input , args ) {
const language = args [ 0 ];
if ( language === "auto detect" ) {
return hljs . highlightAuto ( input ). value ;
}
return hljs . highlight ( language , input , true ). value ;
}
/**
* Highlight Syntax highlighter
*
* @param {Object[]} pos
* @param {number} pos[].start
* @param {number} pos[].end
* @param {Object[]} args
* @returns {Object[]} pos
*/
highlight ( pos , args ) {
return pos ;
}
/**
* Highlight Syntax highlighter in reverse
*
* @param {Object[]} pos
* @param {number} pos[].start
* @param {number} pos[].end
* @param {Object[]} args
* @returns {Object[]} pos
*/
highlightReverse ( pos , args ) {
return pos ;
}
}
export default SyntaxHighlighter ;