817 lines
24 KiB
JavaScript
817 lines
24 KiB
JavaScript
/*
|
|
Syntax highlighting with language autodetection.
|
|
https://highlightjs.org/
|
|
*/
|
|
|
|
(function(factory) {
|
|
|
|
// Find the global object for export to both the browser and web workers.
|
|
var globalObject = typeof window === 'object' && window ||
|
|
typeof self === 'object' && self;
|
|
|
|
// Setup highlight.js for different environments. First is Node.js or
|
|
// CommonJS.
|
|
if(typeof exports !== 'undefined') {
|
|
factory(exports);
|
|
} else if(globalObject) {
|
|
// Export hljs globally even when using AMD for cases when this script
|
|
// is loaded with others that may still expect a global hljs.
|
|
globalObject.hljs = factory({});
|
|
|
|
// Finally register the global hljs with AMD.
|
|
if(typeof define === 'function' && define.amd) {
|
|
define([], function() {
|
|
return globalObject.hljs;
|
|
});
|
|
}
|
|
}
|
|
|
|
}(function(hljs) {
|
|
// Convenience variables for build-in objects
|
|
var ArrayProto = [],
|
|
objectKeys = Object.keys;
|
|
|
|
// Global internal variables used within the highlight.js library.
|
|
var languages = {},
|
|
aliases = {};
|
|
|
|
// Regular expressions used throughout the highlight.js library.
|
|
var noHighlightRe = /^(no-?highlight|plain|text)$/i,
|
|
languagePrefixRe = /\blang(?:uage)?-([\w-]+)\b/i,
|
|
fixMarkupRe = /((^(<[^>]+>|\t|)+|(?:\n)))/gm;
|
|
|
|
var spanEndTag = '</span>';
|
|
|
|
// Global options used when within external APIs. This is modified when
|
|
// calling the `hljs.configure` function.
|
|
var options = {
|
|
classPrefix: 'hljs-',
|
|
tabReplace: null,
|
|
useBR: false,
|
|
languages: undefined
|
|
};
|
|
|
|
|
|
/* Utility functions */
|
|
|
|
function escape(value) {
|
|
return value.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
|
|
}
|
|
|
|
function tag(node) {
|
|
return node.nodeName.toLowerCase();
|
|
}
|
|
|
|
function testRe(re, lexeme) {
|
|
var match = re && re.exec(lexeme);
|
|
return match && match.index === 0;
|
|
}
|
|
|
|
function isNotHighlighted(language) {
|
|
return noHighlightRe.test(language);
|
|
}
|
|
|
|
function blockLanguage(block) {
|
|
var i, match, length, _class;
|
|
var classes = block.className + ' ';
|
|
|
|
classes += block.parentNode ? block.parentNode.className : '';
|
|
|
|
// language-* takes precedence over non-prefixed class names.
|
|
match = languagePrefixRe.exec(classes);
|
|
if (match) {
|
|
return getLanguage(match[1]) ? match[1] : 'no-highlight';
|
|
}
|
|
|
|
classes = classes.split(/\s+/);
|
|
|
|
for (i = 0, length = classes.length; i < length; i++) {
|
|
_class = classes[i]
|
|
|
|
if (isNotHighlighted(_class) || getLanguage(_class)) {
|
|
return _class;
|
|
}
|
|
}
|
|
}
|
|
|
|
function inherit(parent) { // inherit(parent, override_obj, override_obj, ...)
|
|
var key;
|
|
var result = {};
|
|
var objects = Array.prototype.slice.call(arguments, 1);
|
|
|
|
for (key in parent)
|
|
result[key] = parent[key];
|
|
objects.forEach(function(obj) {
|
|
for (key in obj)
|
|
result[key] = obj[key];
|
|
});
|
|
return result;
|
|
}
|
|
|
|
/* Stream merging */
|
|
|
|
function nodeStream(node) {
|
|
var result = [];
|
|
(function _nodeStream(node, offset) {
|
|
for (var child = node.firstChild; child; child = child.nextSibling) {
|
|
if (child.nodeType === 3)
|
|
offset += child.nodeValue.length;
|
|
else if (child.nodeType === 1) {
|
|
result.push({
|
|
event: 'start',
|
|
offset: offset,
|
|
node: child
|
|
});
|
|
offset = _nodeStream(child, offset);
|
|
// Prevent void elements from having an end tag that would actually
|
|
// double them in the output. There are more void elements in HTML
|
|
// but we list only those realistically expected in code display.
|
|
if (!tag(child).match(/br|hr|img|input/)) {
|
|
result.push({
|
|
event: 'stop',
|
|
offset: offset,
|
|
node: child
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return offset;
|
|
})(node, 0);
|
|
return result;
|
|
}
|
|
|
|
function mergeStreams(original, highlighted, value) {
|
|
var processed = 0;
|
|
var result = '';
|
|
var nodeStack = [];
|
|
|
|
function selectStream() {
|
|
if (!original.length || !highlighted.length) {
|
|
return original.length ? original : highlighted;
|
|
}
|
|
if (original[0].offset !== highlighted[0].offset) {
|
|
return (original[0].offset < highlighted[0].offset) ? original : highlighted;
|
|
}
|
|
|
|
/*
|
|
To avoid starting the stream just before it should stop the order is
|
|
ensured that original always starts first and closes last:
|
|
|
|
if (event1 == 'start' && event2 == 'start')
|
|
return original;
|
|
if (event1 == 'start' && event2 == 'stop')
|
|
return highlighted;
|
|
if (event1 == 'stop' && event2 == 'start')
|
|
return original;
|
|
if (event1 == 'stop' && event2 == 'stop')
|
|
return highlighted;
|
|
|
|
... which is collapsed to:
|
|
*/
|
|
return highlighted[0].event === 'start' ? original : highlighted;
|
|
}
|
|
|
|
function open(node) {
|
|
function attr_str(a) {return ' ' + a.nodeName + '="' + escape(a.value).replace('"', '"') + '"';}
|
|
result += '<' + tag(node) + ArrayProto.map.call(node.attributes, attr_str).join('') + '>';
|
|
}
|
|
|
|
function close(node) {
|
|
result += '</' + tag(node) + '>';
|
|
}
|
|
|
|
function render(event) {
|
|
(event.event === 'start' ? open : close)(event.node);
|
|
}
|
|
|
|
while (original.length || highlighted.length) {
|
|
var stream = selectStream();
|
|
result += escape(value.substring(processed, stream[0].offset));
|
|
processed = stream[0].offset;
|
|
if (stream === original) {
|
|
/*
|
|
On any opening or closing tag of the original markup we first close
|
|
the entire highlighted node stack, then render the original tag along
|
|
with all the following original tags at the same offset and then
|
|
reopen all the tags on the highlighted stack.
|
|
*/
|
|
nodeStack.reverse().forEach(close);
|
|
do {
|
|
render(stream.splice(0, 1)[0]);
|
|
stream = selectStream();
|
|
} while (stream === original && stream.length && stream[0].offset === processed);
|
|
nodeStack.reverse().forEach(open);
|
|
} else {
|
|
if (stream[0].event === 'start') {
|
|
nodeStack.push(stream[0].node);
|
|
} else {
|
|
nodeStack.pop();
|
|
}
|
|
render(stream.splice(0, 1)[0]);
|
|
}
|
|
}
|
|
return result + escape(value.substr(processed));
|
|
}
|
|
|
|
/* Initialization */
|
|
|
|
function expand_mode(mode) {
|
|
if (mode.variants && !mode.cached_variants) {
|
|
mode.cached_variants = mode.variants.map(function(variant) {
|
|
return inherit(mode, {variants: null}, variant);
|
|
});
|
|
}
|
|
return mode.cached_variants || (mode.endsWithParent && [inherit(mode)]) || [mode];
|
|
}
|
|
|
|
function compileLanguage(language) {
|
|
|
|
function reStr(re) {
|
|
return (re && re.source) || re;
|
|
}
|
|
|
|
function langRe(value, global) {
|
|
return new RegExp(
|
|
reStr(value),
|
|
'm' + (language.case_insensitive ? 'i' : '') + (global ? 'g' : '')
|
|
);
|
|
}
|
|
|
|
function compileMode(mode, parent) {
|
|
if (mode.compiled)
|
|
return;
|
|
mode.compiled = true;
|
|
|
|
mode.keywords = mode.keywords || mode.beginKeywords;
|
|
if (mode.keywords) {
|
|
var compiled_keywords = {};
|
|
|
|
var flatten = function(className, str) {
|
|
if (language.case_insensitive) {
|
|
str = str.toLowerCase();
|
|
}
|
|
str.split(' ').forEach(function(kw) {
|
|
var pair = kw.split('|');
|
|
compiled_keywords[pair[0]] = [className, pair[1] ? Number(pair[1]) : 1];
|
|
});
|
|
};
|
|
|
|
if (typeof mode.keywords === 'string') { // string
|
|
flatten('keyword', mode.keywords);
|
|
} else {
|
|
objectKeys(mode.keywords).forEach(function (className) {
|
|
flatten(className, mode.keywords[className]);
|
|
});
|
|
}
|
|
mode.keywords = compiled_keywords;
|
|
}
|
|
mode.lexemesRe = langRe(mode.lexemes || /\w+/, true);
|
|
|
|
if (parent) {
|
|
if (mode.beginKeywords) {
|
|
mode.begin = '\\b(' + mode.beginKeywords.split(' ').join('|') + ')\\b';
|
|
}
|
|
if (!mode.begin)
|
|
mode.begin = /\B|\b/;
|
|
mode.beginRe = langRe(mode.begin);
|
|
if (!mode.end && !mode.endsWithParent)
|
|
mode.end = /\B|\b/;
|
|
if (mode.end)
|
|
mode.endRe = langRe(mode.end);
|
|
mode.terminator_end = reStr(mode.end) || '';
|
|
if (mode.endsWithParent && parent.terminator_end)
|
|
mode.terminator_end += (mode.end ? '|' : '') + parent.terminator_end;
|
|
}
|
|
if (mode.illegal)
|
|
mode.illegalRe = langRe(mode.illegal);
|
|
if (mode.relevance == null)
|
|
mode.relevance = 1;
|
|
if (!mode.contains) {
|
|
mode.contains = [];
|
|
}
|
|
mode.contains = Array.prototype.concat.apply([], mode.contains.map(function(c) {
|
|
return expand_mode(c === 'self' ? mode : c)
|
|
}));
|
|
mode.contains.forEach(function(c) {compileMode(c, mode);});
|
|
|
|
if (mode.starts) {
|
|
compileMode(mode.starts, parent);
|
|
}
|
|
|
|
var terminators =
|
|
mode.contains.map(function(c) {
|
|
return c.beginKeywords ? '\\.?(' + c.begin + ')\\.?' : c.begin;
|
|
})
|
|
.concat([mode.terminator_end, mode.illegal])
|
|
.map(reStr)
|
|
.filter(Boolean);
|
|
mode.terminators = terminators.length ? langRe(terminators.join('|'), true) : {exec: function(/*s*/) {return null;}};
|
|
}
|
|
|
|
compileMode(language);
|
|
}
|
|
|
|
/*
|
|
Core highlighting function. Accepts a language name, or an alias, and a
|
|
string with the code to highlight. Returns an object with the following
|
|
properties:
|
|
|
|
- relevance (int)
|
|
- value (an HTML string with highlighting markup)
|
|
|
|
*/
|
|
function highlight(name, value, ignore_illegals, continuation) {
|
|
|
|
function subMode(lexeme, mode) {
|
|
var i, length;
|
|
|
|
for (i = 0, length = mode.contains.length; i < length; i++) {
|
|
if (testRe(mode.contains[i].beginRe, lexeme)) {
|
|
return mode.contains[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
function endOfMode(mode, lexeme) {
|
|
if (testRe(mode.endRe, lexeme)) {
|
|
while (mode.endsParent && mode.parent) {
|
|
mode = mode.parent;
|
|
}
|
|
return mode;
|
|
}
|
|
if (mode.endsWithParent) {
|
|
return endOfMode(mode.parent, lexeme);
|
|
}
|
|
}
|
|
|
|
function isIllegal(lexeme, mode) {
|
|
return !ignore_illegals && testRe(mode.illegalRe, lexeme);
|
|
}
|
|
|
|
function keywordMatch(mode, match) {
|
|
var match_str = language.case_insensitive ? match[0].toLowerCase() : match[0];
|
|
return mode.keywords.hasOwnProperty(match_str) && mode.keywords[match_str];
|
|
}
|
|
|
|
function buildSpan(classname, insideSpan, leaveOpen, noPrefix) {
|
|
var classPrefix = noPrefix ? '' : options.classPrefix,
|
|
openSpan = '<span class="' + classPrefix,
|
|
closeSpan = leaveOpen ? '' : spanEndTag
|
|
|
|
openSpan += classname + '">';
|
|
|
|
return openSpan + insideSpan + closeSpan;
|
|
}
|
|
|
|
function processKeywords() {
|
|
var keyword_match, last_index, match, result;
|
|
|
|
if (!top.keywords)
|
|
return escape(mode_buffer);
|
|
|
|
result = '';
|
|
last_index = 0;
|
|
top.lexemesRe.lastIndex = 0;
|
|
match = top.lexemesRe.exec(mode_buffer);
|
|
|
|
while (match) {
|
|
result += escape(mode_buffer.substring(last_index, match.index));
|
|
keyword_match = keywordMatch(top, match);
|
|
if (keyword_match) {
|
|
relevance += keyword_match[1];
|
|
result += buildSpan(keyword_match[0], escape(match[0]));
|
|
} else {
|
|
result += escape(match[0]);
|
|
}
|
|
last_index = top.lexemesRe.lastIndex;
|
|
match = top.lexemesRe.exec(mode_buffer);
|
|
}
|
|
return result + escape(mode_buffer.substr(last_index));
|
|
}
|
|
|
|
function processSubLanguage() {
|
|
var explicit = typeof top.subLanguage === 'string';
|
|
if (explicit && !languages[top.subLanguage]) {
|
|
return escape(mode_buffer);
|
|
}
|
|
|
|
var result = explicit ?
|
|
highlight(top.subLanguage, mode_buffer, true, continuations[top.subLanguage]) :
|
|
highlightAuto(mode_buffer, top.subLanguage.length ? top.subLanguage : undefined);
|
|
|
|
// Counting embedded language score towards the host language may be disabled
|
|
// with zeroing the containing mode relevance. Usecase in point is Markdown that
|
|
// allows XML everywhere and makes every XML snippet to have a much larger Markdown
|
|
// score.
|
|
if (top.relevance > 0) {
|
|
relevance += result.relevance;
|
|
}
|
|
if (explicit) {
|
|
continuations[top.subLanguage] = result.top;
|
|
}
|
|
return buildSpan(result.language, result.value, false, true);
|
|
}
|
|
|
|
function processBuffer() {
|
|
result += (top.subLanguage != null ? processSubLanguage() : processKeywords());
|
|
mode_buffer = '';
|
|
}
|
|
|
|
function startNewMode(mode) {
|
|
result += mode.className? buildSpan(mode.className, '', true): '';
|
|
top = Object.create(mode, {parent: {value: top}});
|
|
}
|
|
|
|
function processLexeme(buffer, lexeme) {
|
|
|
|
mode_buffer += buffer;
|
|
|
|
if (lexeme == null) {
|
|
processBuffer();
|
|
return 0;
|
|
}
|
|
|
|
var new_mode = subMode(lexeme, top);
|
|
if (new_mode) {
|
|
if (new_mode.skip) {
|
|
mode_buffer += lexeme;
|
|
} else {
|
|
if (new_mode.excludeBegin) {
|
|
mode_buffer += lexeme;
|
|
}
|
|
processBuffer();
|
|
if (!new_mode.returnBegin && !new_mode.excludeBegin) {
|
|
mode_buffer = lexeme;
|
|
}
|
|
}
|
|
startNewMode(new_mode, lexeme);
|
|
return new_mode.returnBegin ? 0 : lexeme.length;
|
|
}
|
|
|
|
var end_mode = endOfMode(top, lexeme);
|
|
if (end_mode) {
|
|
var origin = top;
|
|
if (origin.skip) {
|
|
mode_buffer += lexeme;
|
|
} else {
|
|
if (!(origin.returnEnd || origin.excludeEnd)) {
|
|
mode_buffer += lexeme;
|
|
}
|
|
processBuffer();
|
|
if (origin.excludeEnd) {
|
|
mode_buffer = lexeme;
|
|
}
|
|
}
|
|
do {
|
|
if (top.className) {
|
|
result += spanEndTag;
|
|
}
|
|
if (!top.skip) {
|
|
relevance += top.relevance;
|
|
}
|
|
top = top.parent;
|
|
} while (top !== end_mode.parent);
|
|
if (end_mode.starts) {
|
|
startNewMode(end_mode.starts, '');
|
|
}
|
|
return origin.returnEnd ? 0 : lexeme.length;
|
|
}
|
|
|
|
if (isIllegal(lexeme, top))
|
|
throw new Error('Illegal lexeme "' + lexeme + '" for mode "' + (top.className || '<unnamed>') + '"');
|
|
|
|
/*
|
|
Parser should not reach this point as all types of lexemes should be caught
|
|
earlier, but if it does due to some bug make sure it advances at least one
|
|
character forward to prevent infinite looping.
|
|
*/
|
|
mode_buffer += lexeme;
|
|
return lexeme.length || 1;
|
|
}
|
|
|
|
var language = getLanguage(name);
|
|
if (!language) {
|
|
throw new Error('Unknown language: "' + name + '"');
|
|
}
|
|
|
|
compileLanguage(language);
|
|
var top = continuation || language;
|
|
var continuations = {}; // keep continuations for sub-languages
|
|
var result = '', current;
|
|
for(current = top; current !== language; current = current.parent) {
|
|
if (current.className) {
|
|
result = buildSpan(current.className, '', true) + result;
|
|
}
|
|
}
|
|
var mode_buffer = '';
|
|
var relevance = 0;
|
|
try {
|
|
var match, count, index = 0;
|
|
while (true) {
|
|
top.terminators.lastIndex = index;
|
|
match = top.terminators.exec(value);
|
|
if (!match)
|
|
break;
|
|
count = processLexeme(value.substring(index, match.index), match[0]);
|
|
index = match.index + count;
|
|
}
|
|
processLexeme(value.substr(index));
|
|
for(current = top; current.parent; current = current.parent) { // close dangling modes
|
|
if (current.className) {
|
|
result += spanEndTag;
|
|
}
|
|
}
|
|
return {
|
|
relevance: relevance,
|
|
value: result,
|
|
language: name,
|
|
top: top
|
|
};
|
|
} catch (e) {
|
|
if (e.message && e.message.indexOf('Illegal') !== -1) {
|
|
return {
|
|
relevance: 0,
|
|
value: escape(value)
|
|
};
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
Highlighting with language detection. Accepts a string with the code to
|
|
highlight. Returns an object with the following properties:
|
|
|
|
- language (detected language)
|
|
- relevance (int)
|
|
- value (an HTML string with highlighting markup)
|
|
- second_best (object with the same structure for second-best heuristically
|
|
detected language, may be absent)
|
|
|
|
*/
|
|
function highlightAuto(text, languageSubset) {
|
|
languageSubset = languageSubset || options.languages || objectKeys(languages);
|
|
var result = {
|
|
relevance: 0,
|
|
value: escape(text)
|
|
};
|
|
var second_best = result;
|
|
languageSubset.filter(getLanguage).forEach(function(name) {
|
|
var current = highlight(name, text, false);
|
|
current.language = name;
|
|
if (current.relevance > second_best.relevance) {
|
|
second_best = current;
|
|
}
|
|
if (current.relevance > result.relevance) {
|
|
second_best = result;
|
|
result = current;
|
|
}
|
|
});
|
|
if (second_best.language) {
|
|
result.second_best = second_best;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
Post-processing of the highlighted markup:
|
|
|
|
- replace TABs with something more useful
|
|
- replace real line-breaks with '<br>' for non-pre containers
|
|
|
|
*/
|
|
function fixMarkup(value) {
|
|
return !(options.tabReplace || options.useBR)
|
|
? value
|
|
: value.replace(fixMarkupRe, function(match, p1) {
|
|
if (options.useBR && match === '\n') {
|
|
return '<br>';
|
|
} else if (options.tabReplace) {
|
|
return p1.replace(/\t/g, options.tabReplace);
|
|
}
|
|
return '';
|
|
});
|
|
}
|
|
|
|
function buildClassName(prevClassName, currentLang, resultLang) {
|
|
var language = currentLang ? aliases[currentLang] : resultLang,
|
|
result = [prevClassName.trim()];
|
|
|
|
if (!prevClassName.match(/\bhljs\b/)) {
|
|
result.push('hljs');
|
|
}
|
|
|
|
if (prevClassName.indexOf(language) === -1) {
|
|
result.push(language);
|
|
}
|
|
|
|
return result.join(' ').trim();
|
|
}
|
|
|
|
/*
|
|
Applies highlighting to a DOM node containing code. Accepts a DOM node and
|
|
two optional parameters for fixMarkup.
|
|
*/
|
|
function highlightBlock(block) {
|
|
var node, originalStream, result, resultNode, text;
|
|
var language = blockLanguage(block);
|
|
|
|
if (isNotHighlighted(language))
|
|
return;
|
|
|
|
if (options.useBR) {
|
|
node = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
|
|
node.innerHTML = block.innerHTML.replace(/\n/g, '').replace(/<br[ \/]*>/g, '\n');
|
|
} else {
|
|
node = block;
|
|
}
|
|
text = node.textContent;
|
|
result = language ? highlight(language, text, true) : highlightAuto(text);
|
|
|
|
originalStream = nodeStream(node);
|
|
if (originalStream.length) {
|
|
resultNode = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
|
|
resultNode.innerHTML = result.value;
|
|
result.value = mergeStreams(originalStream, nodeStream(resultNode), text);
|
|
}
|
|
result.value = fixMarkup(result.value);
|
|
|
|
block.innerHTML = result.value;
|
|
block.className = buildClassName(block.className, language, result.language);
|
|
block.result = {
|
|
language: result.language,
|
|
re: result.relevance
|
|
};
|
|
if (result.second_best) {
|
|
block.second_best = {
|
|
language: result.second_best.language,
|
|
re: result.second_best.relevance
|
|
};
|
|
}
|
|
}
|
|
|
|
/*
|
|
Updates highlight.js global options with values passed in the form of an object.
|
|
*/
|
|
function configure(user_options) {
|
|
options = inherit(options, user_options);
|
|
}
|
|
|
|
/*
|
|
Applies highlighting to all <pre><code>..</code></pre> blocks on a page.
|
|
*/
|
|
function initHighlighting() {
|
|
if (initHighlighting.called)
|
|
return;
|
|
initHighlighting.called = true;
|
|
|
|
var blocks = document.querySelectorAll('pre code');
|
|
ArrayProto.forEach.call(blocks, highlightBlock);
|
|
}
|
|
|
|
/*
|
|
Attaches highlighting to the page load event.
|
|
*/
|
|
function initHighlightingOnLoad() {
|
|
addEventListener('DOMContentLoaded', initHighlighting, false);
|
|
addEventListener('load', initHighlighting, false);
|
|
}
|
|
|
|
function registerLanguage(name, language) {
|
|
var lang = languages[name] = language(hljs);
|
|
if (lang.aliases) {
|
|
lang.aliases.forEach(function(alias) {aliases[alias] = name;});
|
|
}
|
|
}
|
|
|
|
function listLanguages() {
|
|
return objectKeys(languages);
|
|
}
|
|
|
|
function getLanguage(name) {
|
|
name = (name || '').toLowerCase();
|
|
return languages[name] || languages[aliases[name]];
|
|
}
|
|
|
|
/* Interface definition */
|
|
|
|
hljs.highlight = highlight;
|
|
hljs.highlightAuto = highlightAuto;
|
|
hljs.fixMarkup = fixMarkup;
|
|
hljs.highlightBlock = highlightBlock;
|
|
hljs.configure = configure;
|
|
hljs.initHighlighting = initHighlighting;
|
|
hljs.initHighlightingOnLoad = initHighlightingOnLoad;
|
|
hljs.registerLanguage = registerLanguage;
|
|
hljs.listLanguages = listLanguages;
|
|
hljs.getLanguage = getLanguage;
|
|
hljs.inherit = inherit;
|
|
|
|
// Common regexps
|
|
hljs.IDENT_RE = '[a-zA-Z]\\w*';
|
|
hljs.UNDERSCORE_IDENT_RE = '[a-zA-Z_]\\w*';
|
|
hljs.NUMBER_RE = '\\b\\d+(\\.\\d+)?';
|
|
hljs.C_NUMBER_RE = '(-?)(\\b0[xX][a-fA-F0-9]+|(\\b\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)'; // 0x..., 0..., decimal, float
|
|
hljs.BINARY_NUMBER_RE = '\\b(0b[01]+)'; // 0b...
|
|
hljs.RE_STARTERS_RE = '!|!=|!==|%|%=|&|&&|&=|\\*|\\*=|\\+|\\+=|,|-|-=|/=|/|:|;|<<|<<=|<=|<|===|==|=|>>>=|>>=|>=|>>>|>>|>|\\?|\\[|\\{|\\(|\\^|\\^=|\\||\\|=|\\|\\||~';
|
|
|
|
// Common modes
|
|
hljs.BACKSLASH_ESCAPE = {
|
|
begin: '\\\\[\\s\\S]', relevance: 0
|
|
};
|
|
hljs.APOS_STRING_MODE = {
|
|
className: 'string',
|
|
begin: '\'', end: '\'',
|
|
illegal: '\\n',
|
|
contains: [hljs.BACKSLASH_ESCAPE]
|
|
};
|
|
hljs.QUOTE_STRING_MODE = {
|
|
className: 'string',
|
|
begin: '"', end: '"',
|
|
illegal: '\\n',
|
|
contains: [hljs.BACKSLASH_ESCAPE]
|
|
};
|
|
hljs.PHRASAL_WORDS_MODE = {
|
|
begin: /\b(a|an|the|are|I'm|isn't|don't|doesn't|won't|but|just|should|pretty|simply|enough|gonna|going|wtf|so|such|will|you|your|they|like|more)\b/
|
|
};
|
|
hljs.COMMENT = function (begin, end, inherits) {
|
|
var mode = hljs.inherit(
|
|
{
|
|
className: 'comment',
|
|
begin: begin, end: end,
|
|
contains: []
|
|
},
|
|
inherits || {}
|
|
);
|
|
mode.contains.push(hljs.PHRASAL_WORDS_MODE);
|
|
mode.contains.push({
|
|
className: 'doctag',
|
|
begin: '(?:TODO|FIXME|NOTE|BUG|XXX):',
|
|
relevance: 0
|
|
});
|
|
return mode;
|
|
};
|
|
hljs.C_LINE_COMMENT_MODE = hljs.COMMENT('//', '$');
|
|
hljs.C_BLOCK_COMMENT_MODE = hljs.COMMENT('/\\*', '\\*/');
|
|
hljs.HASH_COMMENT_MODE = hljs.COMMENT('#', '$');
|
|
hljs.NUMBER_MODE = {
|
|
className: 'number',
|
|
begin: hljs.NUMBER_RE,
|
|
relevance: 0
|
|
};
|
|
hljs.C_NUMBER_MODE = {
|
|
className: 'number',
|
|
begin: hljs.C_NUMBER_RE,
|
|
relevance: 0
|
|
};
|
|
hljs.BINARY_NUMBER_MODE = {
|
|
className: 'number',
|
|
begin: hljs.BINARY_NUMBER_RE,
|
|
relevance: 0
|
|
};
|
|
hljs.CSS_NUMBER_MODE = {
|
|
className: 'number',
|
|
begin: hljs.NUMBER_RE + '(' +
|
|
'%|em|ex|ch|rem' +
|
|
'|vw|vh|vmin|vmax' +
|
|
'|cm|mm|in|pt|pc|px' +
|
|
'|deg|grad|rad|turn' +
|
|
'|s|ms' +
|
|
'|Hz|kHz' +
|
|
'|dpi|dpcm|dppx' +
|
|
')?',
|
|
relevance: 0
|
|
};
|
|
hljs.REGEXP_MODE = {
|
|
className: 'regexp',
|
|
begin: /\//, end: /\/[gimuy]*/,
|
|
illegal: /\n/,
|
|
contains: [
|
|
hljs.BACKSLASH_ESCAPE,
|
|
{
|
|
begin: /\[/, end: /\]/,
|
|
relevance: 0,
|
|
contains: [hljs.BACKSLASH_ESCAPE]
|
|
}
|
|
]
|
|
};
|
|
hljs.TITLE_MODE = {
|
|
className: 'title',
|
|
begin: hljs.IDENT_RE,
|
|
relevance: 0
|
|
};
|
|
hljs.UNDERSCORE_TITLE_MODE = {
|
|
className: 'title',
|
|
begin: hljs.UNDERSCORE_IDENT_RE,
|
|
relevance: 0
|
|
};
|
|
hljs.METHOD_GUARD = {
|
|
// excludes method names from keyword processing
|
|
begin: '\\.\\s*' + hljs.UNDERSCORE_IDENT_RE,
|
|
relevance: 0
|
|
};
|
|
|
|
return hljs;
|
|
}));
|