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https://github.com/ether/etherpad-lite.git
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c909ed256f
Caching eejs blocks led to many unexpected bugs like having to restart the server after installing new plugins or the legendary connectingbar.gif issue...
131 lines
3.4 KiB
JavaScript
131 lines
3.4 KiB
JavaScript
/*
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* Copyright (c) 2011 RedHog (Egil Möller) <egil.moller@freecode.no>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Basic usage:
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*
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* require("./index").require("./examples/foo.ejs")
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*/
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var ejs = require("ejs");
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var fs = require("fs");
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var path = require("path");
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var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks.js");
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var resolve = require("resolve");
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exports.info = {
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buf_stack: [],
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block_stack: [],
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file_stack: [],
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args: []
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};
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function getCurrentFile() {
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return exports.info.file_stack[exports.info.file_stack.length-1];
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}
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function createBlockId(name) {
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return getCurrentFile().path + '|' + name;
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}
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exports._init = function (b, recursive) {
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exports.info.buf_stack.push(exports.info.buf);
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exports.info.buf = b;
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}
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exports._exit = function (b, recursive) {
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getCurrentFile().inherit.forEach(function (item) {
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exports._require(item.name, item.args);
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});
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exports.info.buf = exports.info.buf_stack.pop();
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}
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exports.begin_capture = function() {
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exports.info.buf_stack.push(exports.info.buf.concat());
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exports.info.buf.splice(0, exports.info.buf.length);
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}
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exports.end_capture = function () {
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var res = exports.info.buf.join("");
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exports.info.buf.splice.apply(
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exports.info.buf,
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[0, exports.info.buf.length].concat(exports.info.buf_stack.pop()));
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return res;
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}
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exports.begin_define_block = function (name) {
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exports.info.block_stack.push(name);
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exports.begin_capture();
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}
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exports.end_define_block = function () {
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content = exports.end_capture();
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return content;
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}
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exports.end_block = function () {
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var name = exports.info.block_stack.pop();
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var renderContext = exports.info.args[exports.info.args.length-1];
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var args = {content: exports.end_define_block(), renderContext: renderContext};
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hooks.callAll("eejsBlock_" + name, args);
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exports.info.buf.push(args.content);
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}
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exports.begin_block = exports.begin_define_block;
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exports.inherit = function (name, args) {
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getCurrentFile().inherit.push({name:name, args:args});
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}
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exports.require = function (name, args, mod) {
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if (args == undefined) args = {};
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var basedir = __dirname;
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var paths = [];
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if (exports.info.file_stack.length) {
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basedir = path.dirname(getCurrentFile().path);
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}
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if (mod) {
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basedir = path.dirname(mod.filename);
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paths = mod.paths;
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}
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var ejspath = resolve.sync(
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name,
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{
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paths : paths,
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basedir : basedir,
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extensions : [ '.html', '.ejs' ],
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}
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)
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args.e = exports;
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args.require = require;
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var template = '<% e._init(buf); %>' + fs.readFileSync(ejspath).toString() + '<% e._exit(); %>';
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exports.info.args.push(args);
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exports.info.file_stack.push({path: ejspath, inherit: []});
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var res = ejs.render(template, args);
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exports.info.file_stack.pop();
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exports.info.args.pop();
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return res;
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}
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exports._require = function (name, args) {
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exports.info.buf.push(exports.require(name, args));
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}
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