@scion-scxml/scxml
Version:
An implementation of SCXML in JavaScript.
106 lines (83 loc) • 3.14 kB
JavaScript
/*
Copyright 2011-2012 Jacob Beard, INFICON, and other SCION contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
;
var fs = require('fs'),
get = require('./get'),
vm = require('vm'),
url = require('./url'),
_module = require('./module');
module.exports = {
//used in parsing
http : {
get : function(url,cb){
get.httpGet(url,cb);
}
},
fs : {
get : function(path,cb){
fs.readFile(path,'utf8',cb);
}
},
getResourceFromUrl : get.getResource,
getScriptFromUrl: function(script, cb, context) {
get.getResource(script.src, function(err, content) {
if (err) {
cb(err);
return;
}
try {
script.content = content;
cb(undefined, content);
} catch (e) {
cb(e);
}
}, context);
},
path : require('path'), //same API
url : {
resolve : url.resolve
},
module : {
createLocalExecutionContext : _module.createLocalExecutionContext,
eval: _module.eval,
/**
* create a context in which to execute javascript
* @param {object} [sandbox] An object to contextify
* @return {object} An execution context
* @see {@link https://nodejs.org/dist/latest-v4.x/docs/api/vm.html#vm_vm_createcontext_sandbox}
*/
createExecutionContext: function(sandbox) {
return vm.createContext(sandbox);
},
/**
* Create a compiled script object
* @param {string} src The js source to compile
* @param {object} options compilation options
* @param {string} options.filename The path to the file associated with the source
* @param {number} options.lineOffset The offset to the line number in the scxml document
* @param {number} options.columnOffset The offset to the column number in the scxml document
* @return {Script} A Script object which implements a runInContext method
* @see {@link https://nodejs.org/dist/latest-v4.x/docs/api/vm.html#vm_class_script}
*/
compileScript: function(src, options) {
return new vm.Script(src, options);
}
},
dom : {
serializeToString : function(){
throw new Error('Platform method dom.serializeToString is not supported.');
//return (new xmldom.XMLSerializer()).serializeToString(node);
}
},
log : console.log
};