sumeru
Version:
A Realtime Javascript RIA Framework For Mobile WebApp
129 lines (109 loc) • 4.69 kB
JavaScript
/*
SRouter.js设计思路
按照童总的计划，server的路由和渲染要和client通用，
但现在client与socket，disaptch，render等杂糅在一起，短时间难以分出
所以第一版server独立路由和渲染
第二版进行与前端路由进行拆分，提取共性的操作 FIXME
2013-05-07
*/
/*
与fileserver.js结合，把访问debug.html从取框模板到取具体模板进行合并
*/
var runnable =function(fw){
var sRouter = fw.addSubPackage('router');
require(__dirname +"/../src/uri.js")(fw);
require(__dirname +"/../src/routeMgr.js")(fw);
var fs = require('fs');
var path = require('path');
require(__dirname + '/../src/log.js')(fw);
var activeController = null;
var _runServerRender = false;
var isControllerChange = true, isParamsChange = true, isSessionChange = true;
var lastController = null ,lastParams = null,lastSession = null;
var isIgnore = false , isforce = false;
sRouter.__reg('setServerRender', function(runServer) {
_runServerRender = runServer;
});
var routing_map = {};
var check_routeing = function(path){//for server router using.
if (!_runServerRender)
return null;
if (!routing_map[path]){
routing_map[path] = fw.uri.getInstance(path);
}
if ( routing_map[path].controller == null){//上传文件流程
return null;
}else{
return routing_map[path];
}
};
var __routeing = function(path,clientId,dom,callback){
var uriParts = fw.uri.getInstance(path);//routing_map[path];
uriParts.clientId = clientId;
//处理session change
isSessionChange = true;//lastSession != uriParts.session;
lastSession = uriParts.session;
//处理controller change
isControllerChange = uriParts.controller != lastController;
lastController = uriParts.controller;
return sDispatch(uriParts.controller, uriParts,path,dom,callback);
};
var findController = function(path){
var pattern , find;
var routeMap =fw.router.getAll();
for(var i = routeMap.length - 1; i >= 0; i--){
// 因为已经path与params预先分离，所以此处要求路径整行完全匹配，即 ^ 到$
pattern = new RegExp('^' + routeMap[i]['path'] + "$");
if((routeMap[i]['path'] == '' && path == '') || (routeMap[i]['path'] !== '' && pattern.test(path) === true)){
if(find = eval(routeMap[i]['action'])){
return find;
}else{
// 如果找到匹配的path，但是结果是undefined或null等，说明controller载入不成功或配置内容错误.
throw "find a controller [" + path +"], but undefined.";
}
}
}
};
//如果没有server渲染的参数，直接返回false，进入fileserver流程
var sDispatch = function(contr,uriParts,path,dom,callback){
if (contr===null) {
return false;
}
var identifier = contr + "!" ;
var constructor = findController(contr);
if (typeof constructor != 'function' ){
throw "no contructor found with " + contr;
}
//组装样式
//<body><div wrapper><!--fileserver render-->
//<script></script></div><section></section></body><!---dispatch render-->
//<wrap><section> <!--controller render-->
var __onFinish = function(readydom){
var readyhtml;
//加入读取的未渲染的html
//readyhtml = '';//'<script id="'+domid+'" type="text/x-sumeru-template" >'+ '' + '</script>';
//加入读取的已渲染的html
if (typeof readydom == 'undefined'){
readyhtml = dom;
}else if (typeof dom !="string" || dom.search("</body>")==-1){
readyhtml = readydom;
}else{
readyhtml = dom.replace("</body>",readydom+"</body>");
}
callback(readyhtml);
};
fw.controller.getServerInstance(identifier, uriParts,path,constructor,__onFinish);
return true;
};
sRouter.__reg('start_routeing', __routeing, 'private');
sRouter.__reg('check_routeing', check_routeing, 'private');
sRouter.__reg('joinSessionToHash',function (serializeDat){
//uriParts.params 与 uriParts.session 进行整合
//did nothing
},true);
};
if(typeof module !='undefined' && module.exports){
module.exports = runnable;
}else{//这里是前端
// runnable(sumeru);
}