hexo/node_modules/prismjs/components/prism-javadoclike.js

88 lines
2.3 KiB
JavaScript

(function (Prism) {
var javaDocLike = Prism.languages.javadoclike = {
'parameter': {
pattern: /(^[\t ]*(?:\/{3}|\*|\/\*\*)\s*@(?:arg|arguments|param)\s+)\w+/m,
lookbehind: true
},
'keyword': {
// keywords are the first word in a line preceded be an `@` or surrounded by curly braces.
// @word, {@word}
pattern: /(^[\t ]*(?:\/{3}|\*|\/\*\*)\s*|\{)@[a-z][a-zA-Z-]+\b/m,
lookbehind: true
},
'punctuation': /[{}]/
};
/**
* Adds doc comment support to the given language and calls a given callback on each doc comment pattern.
*
* @param {string} lang the language add doc comment support to.
* @param {(pattern: {inside: {rest: undefined}}) => void} callback the function called with each doc comment pattern as argument.
*/
function docCommentSupport(lang, callback) {
var tokenName = 'doc-comment';
var grammar = Prism.languages[lang];
if (!grammar) {
return;
}
var token = grammar[tokenName];
if (!token) {
// add doc comment: /** */
var definition = {};
definition[tokenName] = {
pattern: /(^|[^\\])\/\*\*[^/][\s\S]*?(?:\*\/|$)/,
lookbehind: true,
alias: 'comment'
};
grammar = Prism.languages.insertBefore(lang, 'comment', definition);
token = grammar[tokenName];
}
if (token instanceof RegExp) { // convert regex to object
token = grammar[tokenName] = { pattern: token };
}
if (Array.isArray(token)) {
for (var i = 0, l = token.length; i < l; i++) {
if (token[i] instanceof RegExp) {
token[i] = { pattern: token[i] };
}
callback(token[i]);
}
} else {
callback(token);
}
}
/**
* Adds doc-comment support to the given languages for the given documentation language.
*
* @param {string[]|string} languages
* @param {Object} docLanguage
*/
function addSupport(languages, docLanguage) {
if (typeof languages === 'string') {
languages = [languages];
}
languages.forEach(function (lang) {
docCommentSupport(lang, function (pattern) {
if (!pattern.inside) {
pattern.inside = {};
}
pattern.inside.rest = docLanguage;
});
});
}
Object.defineProperty(javaDocLike, 'addSupport', { value: addSupport });
javaDocLike.addSupport(['java', 'javascript', 'php'], javaDocLike);
}(Prism));