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Adds backbone and marionette functions

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This commit is contained in:
Patrick McDonagh
2016-10-26 17:45:25 -05:00
parent c9b4c2f4d7
commit d0f329bc7f
12 changed files with 18160 additions and 2 deletions
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19
web_db/flask/app/__init__.py
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@@ -1,15 +1,30 @@
# project/__init__.py
from flask import Flask, render_template, request, session
from flask import Flask, render_template, request, session, send_from_directory
from flask.ext.sqlalchemy import SQLAlchemy
app = Flask('app')
app = Flask('app', static_url_path='')
app.config.update(
DEBUG=True,
SQLALCHEMY_DATABASE_URI='sqlite:///../database.db',
)
db = SQLAlchemy(app)
@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def catch_all(path):
return app.send_static_file('index.html')
@app.route("/ng/<path:path>")
def send_ng(path):
return send_from_directory('static/ng', path)
@app.route("/css/<path:path>")
def send_css(path):
return send_from_directory('static/css', path)
from datalogger import datalogger

1
web_db/flask/app/datalogger/datalogger.py
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@@ -3,6 +3,7 @@ from flask.ext.restless import APIManager
from .models import *
from .. import app
manager = APIManager(app, flask_sqlalchemy_db=db)
manager.create_api(Config, methods=['GET', 'POST', 'DELETE'])
manager.create_api(Data_type, methods=['GET', 'POST', 'DELETE'])

0
web_db/flask/app/static/css/style.css Normal file
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50
web_db/flask/app/static/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>Henry Pump DataLogger</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="container">Loading...</div>
<div id="list"></div>
<div id="form"></div>
<script src="js/jquery-3.1.1.js"></script>
<script src="js/underscore.js"></script>
<script src="js/json2.js"></script>
<script src="js/backbone.js"></script>
<script src="js/backbone.radio.js"></script>
<script src="js/backbone.marionette.js"></script>
<script id="formView" type="text/template">
<p>Tag Name: <input type="text" id="name" /></p>
<p>Tag: <input type="text" id="tag" /></p>
<p><button>Create</button></p>
</script>
<script id="tagView" type="text/template">
<p>Tag Name: <%= name %></p>
<p>Tag: <%= tag %></p>
</script>
<script id="tagsView" type="text/template">
<h2> Tags </h2>
</script>
<script id="noTagView" type="text/template">
<h2> No Tags </h2>
</script>
<script src="js/datalogger.js"></script>
</body>
</html>

1920
web_db/flask/app/static/js/backbone.js Normal file
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web_db/flask/app/static/js/backbone.marionette.js Normal file
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350
web_db/flask/app/static/js/backbone.radio.js Normal file
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// Backbone.Radio v2.0.0
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('underscore'), require('backbone')) :
typeof define === 'function' && define.amd ? define(['underscore', 'backbone'], factory) :
(global.Backbone = global.Backbone || {}, global.Backbone.Radio = factory(global._,global.Backbone));
}(this, function (_,Backbone) { 'use strict';
_ = 'default' in _ ? _['default'] : _;
Backbone = 'default' in Backbone ? Backbone['default'] : Backbone;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
};
var previousRadio = Backbone.Radio;
var Radio = Backbone.Radio = {};
Radio.VERSION = '2.0.0';
// This allows you to run multiple instances of Radio on the same
// webapp. After loading the new version, call `noConflict()` to
// get a reference to it. At the same time the old version will be
// returned to Backbone.Radio.
Radio.noConflict = function () {
Backbone.Radio = previousRadio;
return this;
};
// Whether or not we're in DEBUG mode or not. DEBUG mode helps you
// get around the issues of lack of warnings when events are mis-typed.
Radio.DEBUG = false;
// Format debug text.
Radio._debugText = function (warning, eventName, channelName) {
return warning + (channelName ? ' on the ' + channelName + ' channel' : '') + ': "' + eventName + '"';
};
// This is the method that's called when an unregistered event was called.
// By default, it logs warning to the console. By overriding this you could
// make it throw an Error, for instance. This would make firing a nonexistent event
// have the same consequence as firing a nonexistent method on an Object.
Radio.debugLog = function (warning, eventName, channelName) {
if (Radio.DEBUG && console && console.warn) {
console.warn(Radio._debugText(warning, eventName, channelName));
}
};
var eventSplitter = /\s+/;
// An internal method used to handle Radio's method overloading for Requests.
// It's borrowed from Backbone.Events. It differs from Backbone's overload
// API (which is used in Backbone.Events) in that it doesn't support space-separated
// event names.
Radio._eventsApi = function (obj, action, name, rest) {
if (!name) {
return false;
}
var results = {};
// Handle event maps.
if ((typeof name === 'undefined' ? 'undefined' : _typeof(name)) === 'object') {
for (var key in name) {
var result = obj[action].apply(obj, [key, name[key]].concat(rest));
eventSplitter.test(key) ? _.extend(results, result) : results[key] = result;
}
return results;
}
// Handle space separated event names.
if (eventSplitter.test(name)) {
var names = name.split(eventSplitter);
for (var i = 0, l = names.length; i < l; i++) {
results[names[i]] = obj[action].apply(obj, [names[i]].concat(rest));
}
return results;
}
return false;
};
// An optimized way to execute callbacks.
Radio._callHandler = function (callback, context, args) {
var a1 = args[0],
a2 = args[1],
a3 = args[2];
switch (args.length) {
case 0:
return callback.call(context);
case 1:
return callback.call(context, a1);
case 2:
return callback.call(context, a1, a2);
case 3:
return callback.call(context, a1, a2, a3);
default:
return callback.apply(context, args);
}
};
// A helper used by `off` methods to the handler from the store
function removeHandler(store, name, callback, context) {
var event = store[name];
if ((!callback || callback === event.callback || callback === event.callback._callback) && (!context || context === event.context)) {
delete store[name];
return true;
}
}
function removeHandlers(store, name, callback, context) {
store || (store = {});
var names = name ? [name] : _.keys(store);
var matched = false;
for (var i = 0, length = names.length; i < length; i++) {
name = names[i];
// If there's no event by this name, log it and continue
// with the loop
if (!store[name]) {
continue;
}
if (removeHandler(store, name, callback, context)) {
matched = true;
}
}
return matched;
}
/*
* tune-in
* -------
* Get console logs of a channel's activity
*
*/
var _logs = {};
// This is to produce an identical function in both tuneIn and tuneOut,
// so that Backbone.Events unregisters it.
function _partial(channelName) {
return _logs[channelName] || (_logs[channelName] = _.bind(Radio.log, Radio, channelName));
}
_.extend(Radio, {
// Log information about the channel and event
log: function log(channelName, eventName) {
if (typeof console === 'undefined') {
return;
}
var args = _.toArray(arguments).slice(2);
console.log('[' + channelName + '] "' + eventName + '"', args);
},
// Logs all events on this channel to the console. It sets an
// internal value on the channel telling it we're listening,
// then sets a listener on the Backbone.Events
tuneIn: function tuneIn(channelName) {
var channel = Radio.channel(channelName);
channel._tunedIn = true;
channel.on('all', _partial(channelName));
return this;
},
// Stop logging all of the activities on this channel to the console
tuneOut: function tuneOut(channelName) {
var channel = Radio.channel(channelName);
channel._tunedIn = false;
channel.off('all', _partial(channelName));
delete _logs[channelName];
return this;
}
});
/*
* Backbone.Radio.Requests
* -----------------------
* A messaging system for requesting data.
*
*/
function makeCallback(callback) {
return _.isFunction(callback) ? callback : function () {
return callback;
};
}
Radio.Requests = {
// Make a request
request: function request(name) {
var args = _.toArray(arguments).slice(1);
var results = Radio._eventsApi(this, 'request', name, args);
if (results) {
return results;
}
var channelName = this.channelName;
var requests = this._requests;
// Check if we should log the request, and if so, do it
if (channelName && this._tunedIn) {
Radio.log.apply(this, [channelName, name].concat(args));
}
// If the request isn't handled, log it in DEBUG mode and exit
if (requests && (requests[name] || requests['default'])) {
var handler = requests[name] || requests['default'];
args = requests[name] ? args : arguments;
return Radio._callHandler(handler.callback, handler.context, args);
} else {
Radio.debugLog('An unhandled request was fired', name, channelName);
}
},
// Set up a handler for a request
reply: function reply(name, callback, context) {
if (Radio._eventsApi(this, 'reply', name, [callback, context])) {
return this;
}
this._requests || (this._requests = {});
if (this._requests[name]) {
Radio.debugLog('A request was overwritten', name, this.channelName);
}
this._requests[name] = {
callback: makeCallback(callback),
context: context || this
};
return this;
},
// Set up a handler that can only be requested once
replyOnce: function replyOnce(name, callback, context) {
if (Radio._eventsApi(this, 'replyOnce', name, [callback, context])) {
return this;
}
var self = this;
var once = _.once(function () {
self.stopReplying(name);
return makeCallback(callback).apply(this, arguments);
});
return this.reply(name, once, context);
},
// Remove handler(s)
stopReplying: function stopReplying(name, callback, context) {
if (Radio._eventsApi(this, 'stopReplying', name)) {
return this;
}
// Remove everything if there are no arguments passed
if (!name && !callback && !context) {
delete this._requests;
} else if (!removeHandlers(this._requests, name, callback, context)) {
Radio.debugLog('Attempted to remove the unregistered request', name, this.channelName);
}
return this;
}
};
/*
* Backbone.Radio.channel
* ----------------------
* Get a reference to a channel by name.
*
*/
Radio._channels = {};
Radio.channel = function (channelName) {
if (!channelName) {
throw new Error('You must provide a name for the channel.');
}
if (Radio._channels[channelName]) {
return Radio._channels[channelName];
} else {
return Radio._channels[channelName] = new Radio.Channel(channelName);
}
};
/*
* Backbone.Radio.Channel
* ----------------------
* A Channel is an object that extends from Backbone.Events,
* and Radio.Requests.
*
*/
Radio.Channel = function (channelName) {
this.channelName = channelName;
};
_.extend(Radio.Channel.prototype, Backbone.Events, Radio.Requests, {
// Remove all handlers from the messaging systems of this channel
reset: function reset() {
this.off();
this.stopListening();
this.stopReplying();
return this;
}
});
/*
* Top-level API
* -------------
* Supplies the 'top-level API' for working with Channels directly
* from Backbone.Radio.
*
*/
var channel;
var args;
var systems = [Backbone.Events, Radio.Requests];
_.each(systems, function (system) {
_.each(system, function (method, methodName) {
Radio[methodName] = function (channelName) {
args = _.toArray(arguments).slice(1);
channel = this.channel(channelName);
return channel[methodName].apply(channel, args);
};
});
});
Radio.reset = function (channelName) {
var channels = !channelName ? this._channels : [this._channels[channelName]];
_.each(channels, function (channel) {
channel.reset();
});
};
return Radio;
}));
//# sourceMappingURL=./backbone.radio.js.map

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web_db/flask/app/static/js/datalogger.coffee Normal file
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DataLogger = new Backbone.Marionette.Application()
TagModel = Backbone.Model.extend({
urlRoot: "/api/tags"
})
TagCollection = Backbone.Collection.extend({
model: TagModel
url: "/api/tags"
})
TagView = Backbone.Marionette.ItemView.extend(
template: "#tagView"
)
NoTagView = Backbone.Marionette.ItemView.extend(
template: "#noUserView"
)
TagsView = Backbone.Marionette.CollectionView.extend(
itemView: TagView
emptyView: NoTagView
)
FormView = Backbone.Marionette.ItemView.extend(
template: "#formView"
events:
'click button': 'createNewTag'
ui:
name: "#name"
tag: "#tag"
createNewTag: () ->
this.collection.add(
name: this.ui.name.val()
tag: this.ui.tag.val()
)
this.ui.name.val("")
this.ui.tag.val("")
)
DataLogger.addRegions(
form: "#form"
list: "#list"
)
DataLogger.addInitializer () ->
DataLogger.tags = new TagCollection();
DataLogger.form.show(new FormView(
collection: DataLogger.tags
))
DataLogger.list.show(new TagsView(
collection: DataLogger.tags
))
DataLogger.start()
TagViewOld = Backbone.View.extend {
tagName: "li"
template: _.template("<p><%= name %></p>")
events:
"click": "console.log('clicked')"
initialize: () ->
_.bindAll(this, "render")
this.render()
render: () ->
this.el.innerHTML = this.template(this.model.toJSON())
this
}
AppView = Backbone.View.extend {
el: $("#container")
initialize: () ->
_.bindAll(this, "render")
this.render(new TagModel())
render: (item) ->
view = new TagView({model: item})
this.el.append(view.render().el)
}
getAllTags = (callback) ->
new TagModel().fetch({
success: (collection, response) ->
d = response.objects
delete response.objects
metadata = response
callback
data: d
metadata: metadata
})
getTag = (tagid, callback) ->
new TagModel({id: tagid}).fetch({
success: (collection, response) ->
callback
data: response
})

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web_db/flask/app/static/js/datalogger.js Normal file
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var AppView, DataLogger, FormView, NoTagView, TagCollection, TagModel, TagView, TagViewOld, TagsView, getAllTags, getTag;
DataLogger = new Backbone.Marionette.Application();
TagModel = Backbone.Model.extend({
urlRoot: "/api/tags"
});
TagCollection = Backbone.Collection.extend({
model: TagModel,
url: "/api/tags"
});
TagView = Backbone.Marionette.ItemView.extend({
template: "#tagView"
});
NoTagView = Backbone.Marionette.ItemView.extend({
template: "#noUserView"
});
TagsView = Backbone.Marionette.CollectionView.extend({
itemView: TagView,
emptyView: NoTagView
});
FormView = Backbone.Marionette.ItemView.extend({
template: "#formView",
events: {
'click button': 'createNewTag'
},
ui: {
name: "#name",
tag: "#tag"
},
createNewTag: function() {
this.collection.add({
name: this.ui.name.val(),
tag: this.ui.tag.val()
});
this.ui.name.val("");
return this.ui.tag.val("");
}
});
DataLogger.addRegions({
form: "#form",
list: "#list"
});
DataLogger.addInitializer(function() {
DataLogger.tags = new TagCollection();
DataLogger.form.show(new FormView({
collection: DataLogger.tags
}));
return DataLogger.list.show(new TagsView({
collection: DataLogger.tags
}));
});
DataLogger.start();
TagViewOld = Backbone.View.extend({
tagName: "li",
template: _.template("<p><%= name %></p>"),
events: {
"click": "console.log('clicked')"
},
initialize: function() {
_.bindAll(this, "render");
return this.render();
},
render: function() {
this.el.innerHTML = this.template(this.model.toJSON());
return this;
}
});
AppView = Backbone.View.extend({
el: $("#container"),
initialize: function() {
_.bindAll(this, "render");
return this.render(new TagModel());
},
render: function(item) {
var view;
view = new TagView({
model: item
});
return this.el.append(view.render().el);
}
});
getAllTags = function(callback) {
return new TagModel().fetch({
success: function(collection, response) {
var d, metadata;
d = response.objects;
delete response.objects;
metadata = response;
return callback({
data: d,
metadata: metadata
});
}
});
};
getTag = function(tagid, callback) {
return new TagModel({
id: tagid
}).fetch({
success: function(collection, response) {
return callback({
data: response
});
}
});
};

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web_db/flask/app/static/js/json2.js Normal file
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// json2.js
// 2016-05-01
// Public Domain.
// NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
// See http://www.JSON.org/js.html
// This code should be minified before deployment.
// See http://javascript.crockford.com/jsmin.html
// USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
// NOT CONTROL.
// This file creates a global JSON object containing two methods: stringify
// and parse. This file is provides the ES5 JSON capability to ES3 systems.
// If a project might run on IE8 or earlier, then this file should be included.
// This file does nothing on ES5 systems.
// JSON.stringify(value, replacer, space)
// value any JavaScript value, usually an object or array.
// replacer an optional parameter that determines how object
// values are stringified for objects. It can be a
// function or an array of strings.
// space an optional parameter that specifies the indentation
// of nested structures. If it is omitted, the text will
// be packed without extra whitespace. If it is a number,
// it will specify the number of spaces to indent at each
// level. If it is a string (such as "\t" or "&nbsp;"),
// it contains the characters used to indent at each level.
// This method produces a JSON text from a JavaScript value.
// When an object value is found, if the object contains a toJSON
// method, its toJSON method will be called and the result will be
// stringified. A toJSON method does not serialize: it returns the
// value represented by the name/value pair that should be serialized,
// or undefined if nothing should be serialized. The toJSON method
// will be passed the key associated with the value, and this will be
// bound to the value.
// For example, this would serialize Dates as ISO strings.
// Date.prototype.toJSON = function (key) {
// function f(n) {
// // Format integers to have at least two digits.
// return (n < 10)
// ? "0" + n
// : n;
// }
// return this.getUTCFullYear() + "-" +
// f(this.getUTCMonth() + 1) + "-" +
// f(this.getUTCDate()) + "T" +
// f(this.getUTCHours()) + ":" +
// f(this.getUTCMinutes()) + ":" +
// f(this.getUTCSeconds()) + "Z";
// };
// You can provide an optional replacer method. It will be passed the
// key and value of each member, with this bound to the containing
// object. The value that is returned from your method will be
// serialized. If your method returns undefined, then the member will
// be excluded from the serialization.
// If the replacer parameter is an array of strings, then it will be
// used to select the members to be serialized. It filters the results
// such that only members with keys listed in the replacer array are
// stringified.
// Values that do not have JSON representations, such as undefined or
// functions, will not be serialized. Such values in objects will be
// dropped; in arrays they will be replaced with null. You can use
// a replacer function to replace those with JSON values.
// JSON.stringify(undefined) returns undefined.
// The optional space parameter produces a stringification of the
// value that is filled with line breaks and indentation to make it
// easier to read.
// If the space parameter is a non-empty string, then that string will
// be used for indentation. If the space parameter is a number, then
// the indentation will be that many spaces.
// Example:
// text = JSON.stringify(["e", {pluribus: "unum"}]);
// // text is '["e",{"pluribus":"unum"}]'
// text = JSON.stringify(["e", {pluribus: "unum"}], null, "\t");
// // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
// text = JSON.stringify([new Date()], function (key, value) {
// return this[key] instanceof Date
// ? "Date(" + this[key] + ")"
// : value;
// });
// // text is '["Date(---current time---)"]'
// JSON.parse(text, reviver)
// This method parses a JSON text to produce an object or array.
// It can throw a SyntaxError exception.
// The optional reviver parameter is a function that can filter and
// transform the results. It receives each of the keys and values,
// and its return value is used instead of the original value.
// If it returns what it received, then the structure is not modified.
// If it returns undefined then the member is deleted.
// Example:
// // Parse the text. Values that look like ISO date strings will
// // be converted to Date objects.
// myData = JSON.parse(text, function (key, value) {
// var a;
// if (typeof value === "string") {
// a =
// /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
// if (a) {
// return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
// +a[5], +a[6]));
// }
// }
// return value;
// });
// myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
// var d;
// if (typeof value === "string" &&
// value.slice(0, 5) === "Date(" &&
// value.slice(-1) === ")") {
// d = new Date(value.slice(5, -1));
// if (d) {
// return d;
// }
// }
// return value;
// });
// This is a reference implementation. You are free to copy, modify, or
// redistribute.
/*jslint
eval, for, this
*/
/*property
JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
lastIndex, length, parse, prototype, push, replace, slice, stringify,
test, toJSON, toString, valueOf
*/
// Create a JSON object only if one does not already exist. We create the
// methods in a closure to avoid creating global variables.
if (typeof JSON !== "object") {
JSON = {};
}
(function () {
"use strict";
var rx_one = /^[\],:{}\s]*$/;
var rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
var rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
var rx_four = /(?:^|:|,)(?:\s*\[)+/g;
var rx_escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
function f(n) {
// Format integers to have at least two digits.
return n < 10
? "0" + n
: n;
}
function this_value() {
return this.valueOf();
}
if (typeof Date.prototype.toJSON !== "function") {
Date.prototype.toJSON = function () {
return isFinite(this.valueOf())
? this.getUTCFullYear() + "-" +
f(this.getUTCMonth() + 1) + "-" +
f(this.getUTCDate()) + "T" +
f(this.getUTCHours()) + ":" +
f(this.getUTCMinutes()) + ":" +
f(this.getUTCSeconds()) + "Z"
: null;
};
Boolean.prototype.toJSON = this_value;
Number.prototype.toJSON = this_value;
String.prototype.toJSON = this_value;
}
var gap;
var indent;
var meta;
var rep;
function quote(string) {
// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.
rx_escapable.lastIndex = 0;
return rx_escapable.test(string)
? "\"" + string.replace(rx_escapable, function (a) {
var c = meta[a];
return typeof c === "string"
? c
: "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
}) + "\""
: "\"" + string + "\"";
}
function str(key, holder) {
// Produce a string from holder[key].
var i; // The loop counter.
var k; // The member key.
var v; // The member value.
var length;
var mind = gap;
var partial;
var value = holder[key];
// If the value has a toJSON method, call it to obtain a replacement value.
if (value && typeof value === "object" &&
typeof value.toJSON === "function") {
value = value.toJSON(key);
}
// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.
if (typeof rep === "function") {
value = rep.call(holder, key, value);
}
// What happens next depends on the value's type.
switch (typeof value) {
case "string":
return quote(value);
case "number":
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value)
? String(value)
: "null";
case "boolean":
case "null":
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce "null". The case is included here in
// the remote chance that this gets fixed someday.
return String(value);
// If the type is "object", we might be dealing with an object or an array or
// null.
case "object":
// Due to a specification blunder in ECMAScript, typeof null is "object",
// so watch out for that case.
if (!value) {
return "null";
}
// Make an array to hold the partial results of stringifying this object value.
gap += indent;
partial = [];
// Is the value an array?
if (Object.prototype.toString.apply(value) === "[object Array]") {
// The value is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || "null";
}
// Join all of the elements together, separated with commas, and wrap them in
// brackets.
v = partial.length === 0
? "[]"
: gap
? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]"
: "[" + partial.join(",") + "]";
gap = mind;
return v;
}
// If the replacer is an array, use it to select the members to be stringified.
if (rep && typeof rep === "object") {
length = rep.length;
for (i = 0; i < length; i += 1) {
if (typeof rep[i] === "string") {
k = rep[i];
v = str(k, value);
if (v) {
partial.push(quote(k) + (
gap
? ": "
: ":"
) + v);
}
}
}
} else {
// Otherwise, iterate through all of the keys in the object.
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (
gap
? ": "
: ":"
) + v);
}
}
}
}
// Join all of the member texts together, separated with commas,
// and wrap them in braces.
v = partial.length === 0
? "{}"
: gap
? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}"
: "{" + partial.join(",") + "}";
gap = mind;
return v;
}
}
// If the JSON object does not yet have a stringify method, give it one.
if (typeof JSON.stringify !== "function") {
meta = { // table of character substitutions
"\b": "\\b",
"\t": "\\t",
"\n": "\\n",
"\f": "\\f",
"\r": "\\r",
"\"": "\\\"",
"\\": "\\\\"
};
JSON.stringify = function (value, replacer, space) {
// The stringify method takes a value and an optional replacer, and an optional
// space parameter, and returns a JSON text. The replacer can be a function
// that can replace values, or an array of strings that will select the keys.
// A default replacer method can be provided. Use of the space parameter can
// produce text that is more easily readable.
var i;
gap = "";
indent = "";
// If the space parameter is a number, make an indent string containing that
// many spaces.
if (typeof space === "number") {
for (i = 0; i < space; i += 1) {
indent += " ";
}
// If the space parameter is a string, it will be used as the indent string.
} else if (typeof space === "string") {
indent = space;
}
// If there is a replacer, it must be a function or an array.
// Otherwise, throw an error.
rep = replacer;
if (replacer && typeof replacer !== "function" &&
(typeof replacer !== "object" ||
typeof replacer.length !== "number")) {
throw new Error("JSON.stringify");
}
// Make a fake root object containing our value under the key of "".
// Return the result of stringifying the value.
return str("", {"": value});
};
}
// If the JSON object does not yet have a parse method, give it one.
if (typeof JSON.parse !== "function") {
JSON.parse = function (text, reviver) {
// The parse method takes a text and an optional reviver function, and returns
// a JavaScript value if the text is a valid JSON text.
var j;
function walk(holder, key) {
// The walk method is used to recursively walk the resulting structure so
// that modifications can be made.
var k;
var v;
var value = holder[key];
if (value && typeof value === "object") {
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = walk(value, k);
if (v !== undefined) {
value[k] = v;
} else {
delete value[k];
}
}
}
}
return reviver.call(holder, key, value);
}
// Parsing happens in four stages. In the first stage, we replace certain
// Unicode characters with escape sequences. JavaScript handles many characters
// incorrectly, either silently deleting them, or treating them as line endings.
text = String(text);
rx_dangerous.lastIndex = 0;
if (rx_dangerous.test(text)) {
text = text.replace(rx_dangerous, function (a) {
return "\\u" +
("0000" + a.charCodeAt(0).toString(16)).slice(-4);
});
}
// In the second stage, we run the text against regular expressions that look
// for non-JSON patterns. We are especially concerned with "()" and "new"
// because they can cause invocation, and "=" because it can cause mutation.
// But just to be safe, we want to reject all unexpected forms.
// We split the second stage into 4 regexp operations in order to work around
// crippling inefficiencies in IE's and Safari's regexp engines. First we
// replace the JSON backslash pairs with "@" (a non-JSON character). Second, we
// replace all simple value tokens with "]" characters. Third, we delete all
// open brackets that follow a colon or comma or that begin the text. Finally,
// we look to see that the remaining characters are only whitespace or "]" or
// "," or ":" or "{" or "}". If that is so, then the text is safe for eval.
if (
rx_one.test(
text
.replace(rx_two, "@")
.replace(rx_three, "]")
.replace(rx_four, "")
)
) {
// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The "{" operator is subject to a syntactic ambiguity
// in JavaScript: it can begin a block or an object literal. We wrap the text
// in parens to eliminate the ambiguity.
j = eval("(" + text + ")");
// In the optional fourth stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.
return (typeof reviver === "function")
? walk({"": j}, "")
: j;
}
// If the text is not JSON parseable, then a SyntaxError is thrown.
throw new SyntaxError("JSON.parse");
};
}
}());

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