thedesk/app/node_modules/xml2js/lib/parser.js

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JavaScript
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2018-02-19 04:41:25 +11:00
// Generated by CoffeeScript 1.12.7
(function() {
"use strict";
var bom, defaults, events, isEmpty, processItem, processors, sax, setImmediate,
bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
hasProp = {}.hasOwnProperty;
sax = require('sax');
events = require('events');
bom = require('./bom');
processors = require('./processors');
setImmediate = require('timers').setImmediate;
defaults = require('./defaults').defaults;
isEmpty = function(thing) {
return typeof thing === "object" && (thing != null) && Object.keys(thing).length === 0;
};
processItem = function(processors, item, key) {
var i, len, process;
for (i = 0, len = processors.length; i < len; i++) {
process = processors[i];
item = process(item, key);
}
return item;
};
exports.Parser = (function(superClass) {
extend(Parser, superClass);
function Parser(opts) {
this.parseString = bind(this.parseString, this);
this.reset = bind(this.reset, this);
this.assignOrPush = bind(this.assignOrPush, this);
this.processAsync = bind(this.processAsync, this);
var key, ref, value;
if (!(this instanceof exports.Parser)) {
return new exports.Parser(opts);
}
this.options = {};
ref = defaults["0.2"];
for (key in ref) {
if (!hasProp.call(ref, key)) continue;
value = ref[key];
this.options[key] = value;
}
for (key in opts) {
if (!hasProp.call(opts, key)) continue;
value = opts[key];
this.options[key] = value;
}
if (this.options.xmlns) {
this.options.xmlnskey = this.options.attrkey + "ns";
}
if (this.options.normalizeTags) {
if (!this.options.tagNameProcessors) {
this.options.tagNameProcessors = [];
}
this.options.tagNameProcessors.unshift(processors.normalize);
}
this.reset();
}
Parser.prototype.processAsync = function() {
var chunk, err;
try {
if (this.remaining.length <= this.options.chunkSize) {
chunk = this.remaining;
this.remaining = '';
this.saxParser = this.saxParser.write(chunk);
return this.saxParser.close();
} else {
chunk = this.remaining.substr(0, this.options.chunkSize);
this.remaining = this.remaining.substr(this.options.chunkSize, this.remaining.length);
this.saxParser = this.saxParser.write(chunk);
return setImmediate(this.processAsync);
}
} catch (error1) {
err = error1;
if (!this.saxParser.errThrown) {
this.saxParser.errThrown = true;
return this.emit(err);
}
}
};
Parser.prototype.assignOrPush = function(obj, key, newValue) {
if (!(key in obj)) {
if (!this.options.explicitArray) {
return obj[key] = newValue;
} else {
return obj[key] = [newValue];
}
} else {
if (!(obj[key] instanceof Array)) {
obj[key] = [obj[key]];
}
return obj[key].push(newValue);
}
};
Parser.prototype.reset = function() {
var attrkey, charkey, ontext, stack;
this.removeAllListeners();
this.saxParser = sax.parser(this.options.strict, {
trim: false,
normalize: false,
xmlns: this.options.xmlns
});
this.saxParser.errThrown = false;
this.saxParser.onerror = (function(_this) {
return function(error) {
_this.saxParser.resume();
if (!_this.saxParser.errThrown) {
_this.saxParser.errThrown = true;
return _this.emit("error", error);
}
};
})(this);
this.saxParser.onend = (function(_this) {
return function() {
if (!_this.saxParser.ended) {
_this.saxParser.ended = true;
return _this.emit("end", _this.resultObject);
}
};
})(this);
this.saxParser.ended = false;
this.EXPLICIT_CHARKEY = this.options.explicitCharkey;
this.resultObject = null;
stack = [];
attrkey = this.options.attrkey;
charkey = this.options.charkey;
this.saxParser.onopentag = (function(_this) {
return function(node) {
var key, newValue, obj, processedKey, ref;
obj = {};
obj[charkey] = "";
if (!_this.options.ignoreAttrs) {
ref = node.attributes;
for (key in ref) {
if (!hasProp.call(ref, key)) continue;
if (!(attrkey in obj) && !_this.options.mergeAttrs) {
obj[attrkey] = {};
}
newValue = _this.options.attrValueProcessors ? processItem(_this.options.attrValueProcessors, node.attributes[key], key) : node.attributes[key];
processedKey = _this.options.attrNameProcessors ? processItem(_this.options.attrNameProcessors, key) : key;
if (_this.options.mergeAttrs) {
_this.assignOrPush(obj, processedKey, newValue);
} else {
obj[attrkey][processedKey] = newValue;
}
}
}
obj["#name"] = _this.options.tagNameProcessors ? processItem(_this.options.tagNameProcessors, node.name) : node.name;
if (_this.options.xmlns) {
obj[_this.options.xmlnskey] = {
uri: node.uri,
local: node.local
};
}
return stack.push(obj);
};
})(this);
this.saxParser.onclosetag = (function(_this) {
return function() {
var cdata, emptyStr, key, node, nodeName, obj, objClone, old, s, xpath;
obj = stack.pop();
nodeName = obj["#name"];
if (!_this.options.explicitChildren || !_this.options.preserveChildrenOrder) {
delete obj["#name"];
}
if (obj.cdata === true) {
cdata = obj.cdata;
delete obj.cdata;
}
s = stack[stack.length - 1];
if (obj[charkey].match(/^\s*$/) && !cdata) {
emptyStr = obj[charkey];
delete obj[charkey];
} else {
if (_this.options.trim) {
obj[charkey] = obj[charkey].trim();
}
if (_this.options.normalize) {
obj[charkey] = obj[charkey].replace(/\s{2,}/g, " ").trim();
}
obj[charkey] = _this.options.valueProcessors ? processItem(_this.options.valueProcessors, obj[charkey], nodeName) : obj[charkey];
if (Object.keys(obj).length === 1 && charkey in obj && !_this.EXPLICIT_CHARKEY) {
obj = obj[charkey];
}
}
if (isEmpty(obj)) {
obj = _this.options.emptyTag !== '' ? _this.options.emptyTag : emptyStr;
}
if (_this.options.validator != null) {
xpath = "/" + ((function() {
var i, len, results;
results = [];
for (i = 0, len = stack.length; i < len; i++) {
node = stack[i];
results.push(node["#name"]);
}
return results;
})()).concat(nodeName).join("/");
(function() {
var err;
try {
return obj = _this.options.validator(xpath, s && s[nodeName], obj);
} catch (error1) {
err = error1;
return _this.emit("error", err);
}
})();
}
if (_this.options.explicitChildren && !_this.options.mergeAttrs && typeof obj === 'object') {
if (!_this.options.preserveChildrenOrder) {
node = {};
if (_this.options.attrkey in obj) {
node[_this.options.attrkey] = obj[_this.options.attrkey];
delete obj[_this.options.attrkey];
}
if (!_this.options.charsAsChildren && _this.options.charkey in obj) {
node[_this.options.charkey] = obj[_this.options.charkey];
delete obj[_this.options.charkey];
}
if (Object.getOwnPropertyNames(obj).length > 0) {
node[_this.options.childkey] = obj;
}
obj = node;
} else if (s) {
s[_this.options.childkey] = s[_this.options.childkey] || [];
objClone = {};
for (key in obj) {
if (!hasProp.call(obj, key)) continue;
objClone[key] = obj[key];
}
s[_this.options.childkey].push(objClone);
delete obj["#name"];
if (Object.keys(obj).length === 1 && charkey in obj && !_this.EXPLICIT_CHARKEY) {
obj = obj[charkey];
}
}
}
if (stack.length > 0) {
return _this.assignOrPush(s, nodeName, obj);
} else {
if (_this.options.explicitRoot) {
old = obj;
obj = {};
obj[nodeName] = old;
}
_this.resultObject = obj;
_this.saxParser.ended = true;
return _this.emit("end", _this.resultObject);
}
};
})(this);
ontext = (function(_this) {
return function(text) {
var charChild, s;
s = stack[stack.length - 1];
if (s) {
s[charkey] += text;
if (_this.options.explicitChildren && _this.options.preserveChildrenOrder && _this.options.charsAsChildren && (_this.options.includeWhiteChars || text.replace(/\\n/g, '').trim() !== '')) {
s[_this.options.childkey] = s[_this.options.childkey] || [];
charChild = {
'#name': '__text__'
};
charChild[charkey] = text;
if (_this.options.normalize) {
charChild[charkey] = charChild[charkey].replace(/\s{2,}/g, " ").trim();
}
s[_this.options.childkey].push(charChild);
}
return s;
}
};
})(this);
this.saxParser.ontext = ontext;
return this.saxParser.oncdata = (function(_this) {
return function(text) {
var s;
s = ontext(text);
if (s) {
return s.cdata = true;
}
};
})(this);
};
Parser.prototype.parseString = function(str, cb) {
var err;
if ((cb != null) && typeof cb === "function") {
this.on("end", function(result) {
this.reset();
return cb(null, result);
});
this.on("error", function(err) {
this.reset();
return cb(err);
});
}
try {
str = str.toString();
if (str.trim() === '') {
this.emit("end", null);
return true;
}
str = bom.stripBOM(str);
if (this.options.async) {
this.remaining = str;
setImmediate(this.processAsync);
return this.saxParser;
}
return this.saxParser.write(str).close();
} catch (error1) {
err = error1;
if (!(this.saxParser.errThrown || this.saxParser.ended)) {
this.emit('error', err);
return this.saxParser.errThrown = true;
} else if (this.saxParser.ended) {
throw err;
}
}
};
return Parser;
})(events.EventEmitter);
exports.parseString = function(str, a, b) {
var cb, options, parser;
if (b != null) {
if (typeof b === 'function') {
cb = b;
}
if (typeof a === 'object') {
options = a;
}
} else {
if (typeof a === 'function') {
cb = a;
}
options = {};
}
parser = new exports.Parser(options);
return parser.parseString(str, cb);
};
}).call(this);