update elements and fix some bugs

lib/src/prism/gulpfile.js

Index: lib/src/prism/gulpfile.js
diff --git a/lib/src/prism/gulpfile.js b/lib/src/prism/gulpfile.js
index 25de6e500dfa33f610a39aea3fe9917b03b6e13e..25757dba5c5b28462f3514ac02d4e45013330e34 100644
--- a/lib/src/prism/gulpfile.js
+++ b/lib/src/prism/gulpfile.js
@@ -3,8 +3,11 @@ var gulp   = require('gulp'),
 	uglify = require('gulp-uglify'),
 	header = require('gulp-header'),
 	concat = require('gulp-concat'),
+	replace = require('gulp-replace'),
+	fs = require('fs'),
 
 	paths  = {
+		componentsFile: 'components.js',
 		components: ['components/**/*.js', '!components/**/*.min.js'],
 		main: [
 			'components/prism-core.js',
@@ -14,7 +17,9 @@ var gulp   = require('gulp'),
 			'components/prism-javascript.js',
 			'plugins/file-highlight/prism-file-highlight.js'
 		],
-		plugins: ['plugins/**/*.js', '!plugins/**/*.min.js']
+		plugins: ['plugins/**/*.js', '!plugins/**/*.min.js'],
+		showLanguagePlugin: 'plugins/show-language/prism-show-language.js',
+		autoloaderPlugin: 'plugins/autoloader/prism-autoloader.js'
 	};
 
 gulp.task('components', function() {
@@ -33,7 +38,7 @@ gulp.task('build', function() {
 		.pipe(gulp.dest('./'));
 });
 
-gulp.task('plugins', function() {
+gulp.task('plugins', ['languages-plugins'], function() {
 	return gulp.src(paths.plugins)
 		.pipe(uglify())
 		.pipe(rename({ suffix: '.min' }))
@@ -45,4 +50,67 @@ gulp.task('watch', function() {
 	gulp.watch(paths.plugins, ['plugins', 'build']);
 });
 
+gulp.task('languages-plugins', function (cb) {
+	fs.readFile(paths.componentsFile, {
+		encoding: 'utf-8'
+	}, function (err, data) {
+		if (!err) {
+			data = data.replace(/^var\s+components\s*=\s*|;\s*$/g, '');
+			try {
+				data = JSON.parse(data);
+
+				var languagesMap = {};
+				var dependenciesMap = {};
+				for (var p in data.languages) {
+					if (p !== 'meta') {
+						var title = data.languages[p].displayTitle || data.languages[p].title;
+						var ucfirst = p.substring(0, 1).toUpperCase() + p.substring(1);
+						if (title !== ucfirst) {
+							languagesMap[p] = title;
+						}
+
+						if(data.languages[p].require) {
+							dependenciesMap[p] = data.languages[p].require;
+						}
+					}
+				}
+
+				var jsonLanguagesMap = JSON.stringify(languagesMap);
+				var jsonDependenciesMap = JSON.stringify(dependenciesMap);
+
+				var tasks = [
+					{plugin: paths.showLanguagePlugin, map: jsonLanguagesMap},
+					{plugin: paths.autoloaderPlugin, map: jsonDependenciesMap}
+				];
+
+				var cpt = 0;
+				var l = tasks.length;
+				var done = function() {
+					cpt++;
+					if(cpt === l) {
+						cb && cb();
+					}
+				};
+
+				tasks.forEach(function(task) {
+					var stream = gulp.src(task.plugin)
+						.pipe(replace(
+							/\/\*languages_placeholder\[\*\/[\s\S]*?\/\*\]\*\//,
+							'/*languages_placeholder[*/' + task.map + '/*]*/'
+						))
+						.pipe(gulp.dest(task.plugin.substring(0, task.plugin.lastIndexOf('/'))));
+
+					stream.on('error', done);
+					stream.on('end', done);
+				});
+
+			} catch (e) {
+				cb(e);
+			}
+		} else {
+			cb(err);
+		}
+	});
+});
+
 gulp.task('default', ['components', 'plugins', 'build']);