重构框架，增加比赛功能

hydro/lib/i18n.js

@@ -10,12 +10,12 @@ String.prototype.format = function (args) {
         if (arguments.length == 1 && typeof (args) == 'object') {
             for (var key in args)
                 if (args[key] != undefined) {
-                    let reg = new RegExp('({' + key + '})', 'g');
+                    let reg = new RegExp('(\\{' + key + '\\})', 'g');
                     result = result.replace(reg, args[key]);
                 }
         } else for (var i = 0; i < arguments.length; i++)
             if (arguments[i] != undefined) {
-                let reg = new RegExp('({)' + i + '(})', 'g');
+                let reg = new RegExp('(\\{)' + i + '(\\})', 'g');
                 result = result.replace(reg, arguments[i]);
             }
     }

hydro/lib/markdown.js

@@ -0,0 +1,22 @@
+const
+    hljs = require('highlight.js'),
+    MarkdownIt = require('markdown-it'),
+    katex = require('markdown-it-katex');
+
+class Markdown extends MarkdownIt {
+    constructor() {
+        super({
+            linkify: true,
+            highlight: function (str, lang) {
+                if (lang && hljs.getLanguage(lang))
+                    try {
+                        return hljs.highlight(lang, str).value;
+                    } catch (__) { } // eslint-disable-line no-empty
+                return '';
+            }
+        });
+        this.linkify.tlds('.py', false);
+        this.use(katex);
+    }
+}
+module.exports = new Markdown();

hydro/lib/template.js

@@ -0,0 +1,41 @@
+const
+    path = require('path'),
+    nunjucks = require('nunjucks'),
+    markdown = require('./markdown'),
+    options = require('../options'),
+    perm = require('../permission'),
+    builtin = require('../model/builtin'),
+    model = require('../model'),
+    misc = require('../lib/misc');
+
+class Nunjucks extends nunjucks.Environment {
+    constructor() {
+        super(
+            new nunjucks.FileSystemLoader(path.resolve(options.template.path)),
+            { autoescape: true, trimBlocks: true }
+        );
+        this.addFilter('json', function (self) {
+            return JSON.stringify(self);
+        }, false);
+        this.addFilter('assign', function (self, data) {
+            return Object.assign(self, data);
+        });
+        this.addFilter('markdown', function (self) {
+            return markdown.render(self);
+        });
+        this.addFilter('gravatar_url', misc.gravatar_url);
+        this.addFilter('format_size', misc.format_size);
+        this.addGlobal('typeof', o => typeof o);
+        this.addGlobal('console', console);
+        this.addGlobal('static_url', str => `/${str}`);
+        this.addGlobal('reverse_url', str => str);
+        this.addGlobal('datetime_span', misc.datetime_span);
+        this.addGlobal('paginate', misc.paginate);
+        this.addGlobal('perm', perm);
+        this.addGlobal('status', builtin.STATUS);
+        this.addGlobal('model', model);
+    }
+}
+let env = new Nunjucks();
+
+module.exports = env;