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Add lua syntax highlighting

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pull/359/merge
Thibaut Courouble 9 years ago
parent 2018cd101a
commit a5ffc1fb3b
2 changed files with 100 additions and 26 deletions
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120
assets/javascripts/vendor/prism.js vendored
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@ -1,4 +1,4 @@
/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript+c+cpp+coffeescript+ruby+elixir+go+php+python+rust */
/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript+c+cpp+coffeescript+ruby+elixir+go+lua+php+python+rust */
var _self = (typeof window !== 'undefined')
? window // if in browser
: (
@ -155,10 +155,17 @@ var _ = _self.Prism = {
plugins: {},
highlightAll: function(async, callback) {
var elements = document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code');
var env = {
callback: callback,
selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
};
_.hooks.run("before-highlightall", env);
var elements = env.elements || document.querySelectorAll(env.selector);
for (var i=0, element; element = elements[i++];) {
_.highlightElement(element, async === true, callback);
_.highlightElement(element, async === true, env.callback);
}
},
@ -268,6 +275,7 @@ var _ = _self.Prism = {
var pattern = patterns[j],
inside = pattern.inside,
lookbehind = !!pattern.lookbehind,
greedy = !!pattern.greedy,
lookbehindLength = 0,
alias = pattern.alias;
@ -288,36 +296,73 @@ var _ = _self.Prism = {
pattern.lastIndex = 0;
var match = pattern.exec(str);
var match = pattern.exec(str),
delNum = 1;
// Greedy patterns can override/remove up to two previously matched tokens
if (!match && greedy && i != strarr.length - 1) {
// Reconstruct the original text using the next two tokens
var nextToken = strarr[i + 1].matchedStr || strarr[i + 1],
combStr = str + nextToken;
if (i < strarr.length - 2) {
combStr += strarr[i + 2].matchedStr || strarr[i + 2];
}
if (match) {
if(lookbehind) {
lookbehindLength = match[1].length;
// Try the pattern again on the reconstructed text
pattern.lastIndex = 0;
match = pattern.exec(combStr);
if (!match) {
continue;
}
var from = match.index - 1 + lookbehindLength,
match = match[0].slice(lookbehindLength),
len = match.length,
to = from + len,
before = str.slice(0, from + 1),
after = str.slice(to + 1);
var from = match.index + (lookbehind ? match[1].length : 0);
// To be a valid candidate, the new match has to start inside of str
if (from >= str.length) {
continue;
}
var to = match.index + match[0].length,
len = str.length + nextToken.length;
var args = [i, 1];
// Number of tokens to delete and replace with the new match
delNum = 3;
if (before) {
args.push(before);
if (to <= len) {
delNum = 2;
combStr = combStr.slice(0, len);
}
str = combStr;
}
var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias);
if (!match) {
continue;
}
args.push(wrapped);
if(lookbehind) {
lookbehindLength = match[1].length;
}
if (after) {
args.push(after);
}
var from = match.index + lookbehindLength,
match = match[0].slice(lookbehindLength),
to = from + match.length,
before = str.slice(0, from),
after = str.slice(to);
var args = [i, delNum];
Array.prototype.splice.apply(strarr, args);
if (before) {
args.push(before);
}
var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match);
args.push(wrapped);
if (after) {
args.push(after);
}
Array.prototype.splice.apply(strarr, args);
}
}
}
@ -350,10 +395,12 @@ var _ = _self.Prism = {
}
};
var Token = _.Token = function(type, content, alias) {
var Token = _.Token = function(type, content, alias, matchedStr) {
this.type = type;
this.content = content;
this.alias = alias;
// Copy of the full string this token was created from
this.matchedStr = matchedStr || null;
};
Token.stringify = function(o, language, parent) {
@ -549,7 +596,10 @@ Prism.languages.clike = {
lookbehind: true
}
],
'string': /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
'string': {
pattern: /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
greedy: true
},
'class-name': {
pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,
lookbehind: true,
@ -575,13 +625,14 @@ Prism.languages.javascript = Prism.languages.extend('clike', {
Prism.languages.insertBefore('javascript', 'keyword', {
'regex': {
pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
lookbehind: true
lookbehind: true,
greedy: true
}
});
Prism.languages.insertBefore('javascript', 'class-name', {
'template-string': {
pattern: /`(?:\\`|\\?[^`])*`/,
pattern: /`(?:\\\\|\\?[^\\])*?`/,
inside: {
'interpolation': {
pattern: /\$\{[^}]+\}/,
@ -950,6 +1001,23 @@ Prism.languages.go = Prism.languages.extend('clike', {
});
delete Prism.languages.go['class-name'];
Prism.languages.lua = {
'comment': /^#!.+|--(?:\[(=*)\[[\s\S]*?\]\1\]|.*)/m,
// \z may be used to skip the following space
'string': /(["'])(?:(?!\1)[^\\\r\n]|\\z(?:\r\n|\s)|\\(?:\r\n|[\s\S]))*\1|\[(=*)\[[\s\S]*?\]\2\]/,
'number': /\b0x[a-f\d]+\.?[a-f\d]*(?:p[+-]?\d+)?\b|\b\d+(?:\.\B|\.?\d*(?:e[+-]?\d+)?\b)|\B\.\d+(?:e[+-]?\d+)?\b/i,
'keyword': /\b(?:and|break|do|else|elseif|end|false|for|function|goto|if|in|local|nil|not|or|repeat|return|then|true|until|while)\b/,
'function': /(?!\d)\w+(?=\s*(?:[({]))/,
'operator': [
/[-+*%^&|#]|\/\/?|<[<=]?|>[>=]?|[=~]=?/,
{
// Match ".." but don't break "..."
pattern: /(^|[^.])\.\.(?!\.)/,
lookbehind: true
}
],
'punctuation': /[\[\](){},;]|\.+|:+/
};
/**
* Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
* Modified by Miles Johnson: http://milesj.me

6
assets/javascripts/views/pages/lua.coffee
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@ -0,0 +1,6 @@
#= require views/pages/base
class app.views.LuaPage extends app.views.BasePage
prepare: ->
@highlightCode @findAllByTag('pre'), 'lua'
return
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