jsre.js
来自「《JavaScript王者归来》examples.rar」· JavaScript 代码 · 共 390 行
JS
390 行
/*----------------------------------------------------------------------------\
| JSVM 2.0 |
|-----------------------------------------------------------------------------|
| Created by Wan.Changhua |
| (Email,MSN: wch3116@hotmail.com) |
| For JSVM Team (http://jsvm.org/) |
|-----------------------------------------------------------------------------|
| An object based javascript framework, targeted at rich web applications, |
| JSVM (JavaScript Virtual Machine) is implemented in JavaScript. Currently |
| only internet explorer 5.5 and later and firefox and opera are supported. |
|-----------------------------------------------------------------------------|
| Copyright (c) 2004 - 2005 JSVM Team |
|-----------------------------------------------------------------------------|
| |
| BSD - FreeBSD Copyright Information License |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom the |
| Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| This software is provided "as is", without warranty of any kind, express or |
| implied, including but not limited to the warranties of merchantability, |
| fitness for a particular purpose and noninfringement. In no event shall the |
| authors or copyright holders be liable for any claim, damages or other |
| liability, whether in an action of contract, tort or otherwise, arising |
| from, out of or in connection with the software or the use or other |
| dealings in the software. |
| |
|-----------------------------------------------------------------------------|
| Dependencies: ./bin/*.js |
|-----------------------------------------------------------------------------|
| 2005-01-02 | Renamed filename to jsre.js and updated the version to 2.01. |
| 2005-11-08 | Ignored error when Userdata is invalid. |
| .... |
| 2006-03-05 | Updated the currentVersion property to "2.02.060305". |
| 2006-05-15 | Added _JSVM_Namespace.runtimeEnvironment.loadModule method. |
| 2006-05-22 | Fixed a bug about the extmodules property of module page. |
| 2006-05-25 | Added _JSVM_Namespace object the destroy method. |
| 2006-07-01 | Fixed a bug of the module's extmodules property. |
| 2006-11-02 | Fixed a bug of the module's extmodules property. |
| 2006-11-02 | Changed getCFGAttribute function,added 'jsvm_config' variable. |
| 2007-03-02 | Added some comments, changed the way of definition. |
| 2007-07-04 | refashion JSVM namespace and runtime environment. |
|-----------------------------------------------------------------------------|
| Created 2005-01-02 | All changes are in the log above. | Updated 2007-07-04 |
\----------------------------------------------------------------------------*/
/**
* Define JSVM namespace and runtime environment.
* @file: jsre.js
* @author: Wan Changhua
* @date: 2006.05.17
*/
/*@cc_on @*/
/*@if (!@_jsre_loaded) @*/
/* JSVM Namespace Object */
(window.__jsre_loader = function () {
window._JSVM_Namespace =
{
/* Device Number */
"deviceNumber" : 0x3116,
/* JSVM Runtime Environment */
"runtimeEnvironment" : {
"currentVersion" : "2.06.071001",
"window" : window,
"jsvmHome" : ".",
"classpath" : "",
"JSVM" : null,
"modules" : "",
"state" : 0,
/**
* Determines whether JSVM is alive.
*/
"isAlive" : function() {
return (!this.window.closed);
},
// jsre.config
"config" : function () {
// Gets the config for jsvm
var config = {};
return {
/**
* Returns the value of the specified parameter
*/
"getParameter" : function (name) {
return config[name] || (config.el && config.el.getAttribute(name));
},
/**
* Initializes or destroies the config
*/
"init" : function (cfg) {
config = cfg || {};
},
"destroy" : function () {
config = null;
}
};
}(),
// resource container
"resource" : function (){
var topHDL;
try {
(topHDL = (opener && opener.top) || top).eval("");
} catch (ex) {
try {
(topHDL = parent).eval("");
} catch (ex) {
topHDL = window;
}
}
if (!topHDL.__jsre_res) {
topHDL.eval("window.__jsre_res = {}");
}
var res = window.__jsre_res =
topHDL.__jsre_res;
return {
/**
*/
"get" : function (name) {
return res[name];
},
/**
*/
"put" :function(name, val) {
res[name] = val;
}
};
}(),
// logger
"logger" : function () {
var logs = [];
return {
/**
* Logs a message.
*/
"log" : function (o) {
logs.push({"message": o
, "date" : new Date()});
},
/**
* Gets an array of the all logs.
*/
"getLogs" : function() {
return logs.concat([]);
}
};
}(),
/**
* Returns an XMLHttpRequest instance.
*/
"getXMLHttpRequest" : function () {
// Create XMLHttpRequest Object
var progId, progIds = ["MSXML2.XMLHTTP.6.0"
, "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
return function () {
if (!window.ActiveXObject) {
return new XMLHttpRequest();
} else if (progId != null) {
return new ActiveXObject(progId);
} else {
for (var i = 0; i < progIds.length; i++) {
try {
return new ActiveXObject(progId = progIds[i]);
} catch (ex) {
progId = null;
}
}
}
};
}(),
/**
* Loads a module.
*/
"loadModule" : function () {
var hasCache = true, moduleStates = {};
return function(name, module) {
var jsre = _JSVM_Namespace.runtimeEnvironment
, logger = jsre.logger, ex;
// Stop load module when the state is not 1;
if (jsre.state < 0) {
throw "JSVM runtime-environment has crashed.";
}
var execEty = null;
if (module != null) {
execEty = function() {
module();
jsre.resource.put("$code{" + name + "}", module.toString());
return true;
}
} else {
// Checks whether module has loaded.
if (moduleStates[name] > 0) {
return;
} else {
moduleStates[name] = 1;
}
var code = jsre.resource.get("$code{" + name + "}");
if (hasCache && code != null) {
execEty = function() {
eval("(" + code + ")();");
return true;
}
} else {
hasCache = false;
execEty = function() {
var tmpRes = jsre.config.getParameter("${" + name + "}");
document.write("<script src='"
+ jsre.jsvmHome + "/bin/"
+ (tmpRes || (name + ".js"))
+ "?" + jsre.currentVersion
+ "'></script>");
}
}
}
try {
if (execEty()) {
logger.log("JSVM Load module '" + name + "' succeed.");
}
} catch (ex) {
jsre.state = -1;
logger.log("JSVM Load module '" + name + "' failed.");
logger.log(ex);
}
}
}(),
/**
* Initializes JSVM namespace.
*/
"initialize" : function(config) {
var jsre = this, logger = jsre.logger, ex;
try {
// initialize jsre.config
logger.log("JSVM Initializing runtime-environment on '" + document.URL + "'");
jsre.config.init(config);
logger.log("JSVM Retrieving system properties...");
// set jsre.jsvmHome
jsre.jsvmHome = jsre.config.getParameter("jsvm_home") || jsre.config.getParameter("src")
.replace(/\\/g, "/").replace(/[^\/]*$/, ".");
// get the classpath settings.
jsre.classpath = jsre.config.getParameter("classpath") || "";
// get the modules settings.
jsre.modules = jsre.config.getParameter("modules") || "";
logger.log("JSVM Start loading modules ... ");
jsre.loadModule("kernel");
jsre.state = 1;
// loads extend modules
var modules = jsre.modules.split(",");
for (var i = 0; i < modules.length; i++) {
if (modules[i] != "") {
jsre.loadModule(modules[i]);
}
}
jsre.state = 2;
// if JSVM is ready, initialize it.
if (jsre.JSVM) {
jsre.JSVM.initialize();
}
logger.log("JSVM Initialization started.");
jsre.state = 4;
} catch(ex) {
logger.log("JSVM Initialize error: " + (ex.message || ex));
jsre.state = -9;
var s = [], logs = logger.getLogs();
for (var i = 0; i < logs.length; i++) {
var d = logs[i].date;
s.push(["\r\n[", d.toLocaleString()
, ":" ,d.getMilliseconds(), "] "
, logs[i].message].join(""));
}
alert("JSVM Error, URL: " + document.URL
+ "\r\n\r\nlogs: \r\n---" + s.join(""));
} finally {
if (window.addEventListener) {
window.addEventListener("unload",
jsre.destroy, false);
} else {
window.attachEvent("onunload",
jsre.destroy, false);
}
}
},
/**
* Destroys JSVM namespace.
*/
"destroy" : function () {
var jsre = _JSVM_Namespace.runtimeEnvironment;
jsre.config.destroy();
if (jsre.JSVM) {
jsre.JSVM.destroy();
}
}
},
/* Kernel Component */
"kernel" : {},
/* Components */
"component" : {},
/* Development Kit */
"developmentKit" : {},
/* Plug-In */
"plugIn" : {},
/**
* apply jsvm to the specifed window
*/
"apply" : function (winHDL, cfg) {
var jsre = this.runtimeEnvironment, logger = jsre.logger;
// execute jsre load function.
if (winHDL && !winHDL.__jsre_loader) {
winHDL.eval("(window.__jsre_loader = " + __jsre_loader + ")();");
} else {
logger.log("_JSVM_Namespace apply fail: error arguments! ");
return;
}
// initalize config.
var config = cfg || winHDL.jsvm_config || winHDL.eval("new Object");
if (!config.jsvm_home) {
if (!(/^[\/|file:]/.test(jsre.jsvmHome))) {
config.jsvm_home = document.URL.replace(/\\/g, "\/")
.replace(/[^\/]*$/, "") + jsre.jsvmHome;
} else {
config.jsvm_home = jsre.jsvmHome;
}
}
// copy modules settings.
if (!config.modules) {
config.modules = jsre.modules;
}
// nitalize runtime environment.
winHDL._JSVM_Namespace.runtimeEnvironment.initialize(config);
logger.log("_JSVM_Namespace has applied to URL: "
+ winHDL.document.URL);
}
};
})();
/* Initialize JSVM Runtime Environment */
var config = window.jsvm_config || {};
var scripts = document.getElementsByTagName("SCRIPT");
config.el = scripts[scripts.length - 1];
// initialize JSVM runtime environment.
_JSVM_Namespace.runtimeEnvironment.initialize(config);
scripts = config = void(0);
/*@set @_jsre_loaded = true; @*/
/*@else @*/
/*@end @*/⌨️ 快捷键说明
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