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amitguptagwlamitguptagwl
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generate browser bundle
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‎lib/parser.js‎

Lines changed: 209 additions & 40 deletions
Original file line numberDiff line numberDiff line change
@@ -383,7 +383,7 @@ function Parser(options){
383383
}
384384

385385
if(this.options.format){
386-
this.indentate = indentate;
386+
this.indentate = indentate;
387387
this.tagEndChar = ">\n";
388388
this.newLine = "\n";
389389
}else{
@@ -416,7 +416,9 @@ Parser.prototype.j2x = function(jObj,level){
416416
var len = keys.length;
417417
for(var i=0;i<len;i++){
418418
var key = keys[i];
419-
if(typeof jObj[key] !== "object"){//premitive type
419+
if(typeof jObj[key] === "undefined"){
420+
// supress undefined node
421+
}else if(typeof jObj[key] !== "object"){//premitive type
420422
var attr = this.isAttribute(key);
421423
if(attr){
422424
attrStr += " " +attr+"=\""+ this.encodeHTMLchar(jObj[key], true) +"\"";
@@ -431,7 +433,7 @@ Parser.prototype.j2x = function(jObj,level){
431433
if(jObj[this.options.cdataTagName]){
432434
//value will added while processing cdata
433435
}else{
434-
val += this.encodeHTMLchar(jObj[key]);
436+
val += this.encodeHTMLchar(jObj[key]);
435437
}
436438
}else{
437439
val += this.buildTextNode(jObj[key],key,"",level);
@@ -448,7 +450,9 @@ Parser.prototype.j2x = function(jObj,level){
448450
var arrLen = jObj[key].length;
449451
for(var j=0;j<arrLen;j++){
450452
var item = jObj[key][j];
451-
if(typeof item === "object"){
453+
if(typeof item === "undefined"){
454+
// supress undefined node
455+
}else if(typeof item === "object"){
452456
var result = this.j2x(item,level+1);
453457
val += this.buildObjNode(result.val,key,result.attrStr,level);
454458
}else{
@@ -457,7 +461,7 @@ Parser.prototype.j2x = function(jObj,level){
457461
}
458462
}
459463
}else{
460-
464+
461465
if(this.options.attrNodeName && key === this.options.attrNodeName){
462466
var Ks = Object.keys(jObj[key]);
463467
var L = Ks.length;
@@ -495,10 +499,10 @@ function replaceCDATAarr(str,cdata){
495499
}
496500

497501
function buildObjectNode(val,key,attrStr,level){
498-
return this.indentate(level)
499-
+ "<" + key + attrStr
500-
+ this.tagEndChar
501-
+ val
502+
return this.indentate(level)
503+
+ "<" + key + attrStr
504+
+ this.tagEndChar
505+
+ val
502506
//+ this.newLine
503507
+ this.indentate(level)
504508
+ "</"+key+this.tagEndChar;
@@ -508,10 +512,10 @@ function buildEmptyObjNode(val,key,attrStr,level){
508512
if(val !== "" ){
509513
return this.buildObjectNode(val,key,attrStr,level);
510514
}else{
511-
return this.indentate(level)
512-
+ "<" + key + attrStr
515+
return this.indentate(level)
516+
+ "<" + key + attrStr
513517
+ "/"
514-
+ this.tagEndChar
518+
+ this.tagEndChar
515519
//+ this.newLine
516520
}
517521
}
@@ -556,14 +560,160 @@ function isCDATA(name){
556560

557561

558562
module.exports = Parser;
563+
559564
},{"he":1}],3:[function(require,module,exports){
565+
var char = function (a){
566+
return String.fromCharCode(a);
567+
}
568+
569+
var defaultOptions = {
570+
attributeNamePrefix : "@_",
571+
attrNodeName: false,
572+
textNodeName : "#text",
573+
ignoreAttributes : true,
574+
ignoreNameSpace : false,
575+
allowBooleanAttributes : false, //a tag can have attributes without any value
576+
//ignoreRootElement : false,
577+
parseNodeValue : true,
578+
parseAttributeValue : false,
579+
arrayMode : false,
580+
trimValues: true, //Trim string values of tag and attributes
581+
decodeHTMLchar: false,
582+
cdataTagName: false,
583+
cdataPositionChar: "\\c"
584+
//decodeStrict: false,
585+
};
586+
587+
const chars = {
588+
nilChar : char(254),
589+
missingChar : char(200),
590+
nilPremitive : char(176),
591+
missingPremitive : char(201),
592+
emptyChar : char(177),
593+
emptyValue: char(178),
594+
boundryChar : char(186),
595+
arrayEnd: char(197),
596+
objStart: char(198),
597+
arrStart: char(199)
598+
};
599+
600+
601+
const charsArr = [
602+
chars.nilChar ,
603+
chars.nilPremitive,
604+
chars.missingChar,
605+
chars.missingPremitive,
606+
chars.boundryChar ,
607+
chars.emptyChar,
608+
chars.arrayEnd,
609+
chars.objStart,
610+
chars.arrStart
611+
]
612+
613+
614+
var _e = function(node,e_schema,options){
615+
if(typeof e_schema === "string"){//premitive
616+
if(node && node[0] && node[0].val !== undefined){
617+
return getValue(node[0].val,e_schema);
618+
}else{
619+
return getValue(node,e_schema);
620+
}
621+
}else{
622+
var hasValidData = hasData(node);
623+
if(hasValidData === true){
624+
var str = "";
625+
if(Array.isArray(e_schema)){
626+
//attributes can't be repeated. hence check in children tags only
627+
str += chars.arrStart;
628+
var itemSchema = e_schema[0];
629+
//var itemSchemaType = itemSchema;
630+
var arr_len = node.length;
631+
632+
if(typeof itemSchema === "string"){
633+
for(var arr_i=0;arr_i < arr_len;arr_i++){
634+
var r = getValue(node[arr_i].val,itemSchema);
635+
str = processValue(str,r);
636+
}
637+
}else{
638+
for(var arr_i=0;arr_i < arr_len;arr_i++){
639+
r = _e(node[arr_i],itemSchema,options) ;
640+
str = processValue(str,r);
641+
}
642+
}
643+
str += chars.arrayEnd;//indicates that next item is not array item
644+
}else{//object
645+
str += chars.objStart;
646+
var keys = Object.keys(e_schema);
647+
if(Array.isArray(node)) node = node[0];
648+
for(var i in keys){
649+
var key = keys[i];
650+
//a property defined in schema can be present either in attrsMap or children tags
651+
//options.textNodeName will not present in both maps, take it's value from val
652+
//options.attrNodeName will be present in attrsMap
653+
var r;
654+
if(!options.ignoreAttributes && node.attrsMap && node.attrsMap[key]){
655+
r = _e(node.attrsMap[key],e_schema[key],options) ;
656+
}else if( key === options.textNodeName){
657+
r = _e(node.val,e_schema[key],options) ;
658+
}else{
659+
r = _e(node.child[key],e_schema[key],options) ;
660+
}
661+
str = processValue(str,r);
662+
}
663+
}
664+
return str;
665+
}else{
666+
return hasValidData;
667+
}
668+
}
669+
}
670+
671+
var getValue= function(a,type){
672+
switch(a){
673+
case undefined: return chars.missingPremitive;
674+
case null: return chars.nilPremitive;
675+
case "": return chars.emptyValue;
676+
default: return a;
677+
}
678+
}
679+
680+
var processValue= function(str,r){
681+
if(! isAppChar(r[0]) && ! isAppChar(str[str.length -1])){
682+
str += chars.boundryChar;
683+
}
684+
return str + r;
685+
}
686+
687+
var isAppChar = function(ch){
688+
return charsArr.indexOf(ch) !== -1;
689+
}
690+
691+
function hasData(jObj){
692+
if(jObj === undefined) return chars.missingChar;
693+
else if(jObj === null) return chars.nilChar;
694+
else if(jObj.child && Object.keys(jObj.child).length === 0 && ( !jObj.attrsMap || Object.keys(jObj.attrsMap).length === 0)){
695+
return chars.emptyChar;
696+
}else{
697+
return true;
698+
}
699+
}
700+
701+
var convert2nimn = function(node,e_schema,options){
702+
options = Object.assign({},defaultOptions,options);
703+
return _e(node,e_schema,options)
704+
}
705+
706+
//exports.convert2nimn = _e;
707+
exports.convert2nimn = convert2nimn;
708+
},{}],4:[function(require,module,exports){
560709
exports.parse = require("./x2j").parse;
710+
exports.convertTonimn = require("../src/nimndata").convert2nimn;
561711
exports.getTraversalObj = require("./x2j").getTraversalObj;
562712
exports.convertToJson = require("./x2j").convertToJson;
563713
exports.validate = require("./validator").validate;
564714
exports.j2xParser = require("./j2x");
565715

566-
},{"./j2x":2,"./validator":5,"./x2j":6}],4:[function(require,module,exports){
716+
},{"../src/nimndata":3,"./j2x":2,"./validator":6,"./x2j":7}],5:[function(require,module,exports){
567717
var getAllMatches = function(string, regex) {
568718
var matches = [];
569719
var match = regex.exec(string);
@@ -631,7 +781,7 @@ var fakeCallNoReturn = function() {}
631781
exports.doesMatch = doesMatch
632782
exports.doesNotMatch = doesNotMatch
633783
exports.getAllMatches = getAllMatches;
634-
},{}],5:[function(require,module,exports){
784+
},{}],6:[function(require,module,exports){
635785
var util = require("./util");
636786

637787

@@ -668,16 +818,9 @@ exports.validate = function(xmlData, options){
668818

669819
i++;
670820
if(xmlData[i] === "?"){
671-
if(i !== 1){
672-
return {err : { code : "InvalidXml", msg : "XML declaration allowed only at the start of the document."}};
673-
}else{
674-
//read until ?> is found
675-
for(;i<xmlData.length;i++){
676-
if(xmlData[i] == "?" && xmlData[i+1] == ">"){
677-
i++;
678-
break;
679-
}
680-
}
821+
i = readPI(xmlData,++i);
822+
if(i.err){
823+
return i;
681824
}
682825
}else if(xmlData[i] === "!"){
683826
i = readCommentAndCDATA(xmlData,i);
@@ -772,7 +915,29 @@ exports.validate = function(xmlData, options){
772915

773916
return true;
774917
}
775-
918+
/**
919+
* Read Processing insstructions and skip
920+
* @param {*} xmlData
921+
* @param {*} i
922+
*/
923+
function readPI(xmlData,i){
924+
var start = i;
925+
for(;i<xmlData.length;i++){
926+
if(xmlData[i] == "?" || xmlData[i] == " "){//tagname
927+
var tagname = xmlData.substr(start,i-start);
928+
if(i > 5 && tagname === "xml"){
929+
return {err : { code : "InvalidXml", msg : "XML declaration allowed only at the start of the document."}};
930+
}else if(xmlData[i] == "?" && xmlData[i+1] == ">"){
931+
//check if valid attribut string
932+
i++;
933+
break;
934+
}else{
935+
continue;
936+
}
937+
}
938+
}
939+
return i;
940+
}
776941
function readCommentAndCDATA(xmlData,i){
777942
if(xmlData.length > i+5 && xmlData[i+1] === "-" && xmlData[i+2] === "-"){//comment
778943
for(i+=3;i<xmlData.length;i++){
@@ -909,7 +1074,7 @@ function validateTagName(tagname){
9091074

9101075

9111076

912-
},{"./util":4}],6:[function(require,module,exports){
1077+
},{"./util":5}],7:[function(require,module,exports){
9131078
var util = require("./util");
9141079
var xmlNode = require("./xmlNode");
9151080
var he = require("he");
@@ -1105,18 +1270,18 @@ var convertToJson = function (node, options){
11051270
var jObj = {};
11061271

11071272
//traver through all the children
1108-
for (var index = 0; index < node.child.length; index++) {
1109-
var prop = node.child[index].tagname;
1110-
var obj = convertToJson(node.child[index],options);
1111-
if(typeof jObj[prop] !== "undefined"){
1112-
if(!Array.isArray(jObj[prop])){
1113-
var swap = jObj[prop];
1114-
jObj[prop] = [];
1115-
jObj[prop].push(swap);
1273+
var keys = Object.keys(node.child);
1274+
for (var index = 0; index < keys.length; index++) {
1275+
var tagname = keys[index];
1276+
if(node.child[tagname] && node.child[tagname].length > 1){
1277+
jObj[tagname] = [];
1278+
for(var tag in node.child[tagname]){
1279+
var obj = convertToJson(node.child[tagname][tag],options);
1280+
jObj[tagname].push(obj);
11161281
}
1117-
jObj[prop].push(obj);
11181282
}else{
1119-
jObj[prop] = options.arrayMode ? [obj] : obj;
1283+
var obj = convertToJson(node.child[tagname][0],options);
1284+
jObj[tagname] = obj;
11201285
}
11211286
}
11221287
util.merge(jObj,node.attrsMap);
@@ -1138,16 +1303,20 @@ exports.parse = xml2json;
11381303
exports.getTraversalObj = getTraversalObj;
11391304
exports.convertToJson = convertToJson;
11401305

1141-
},{"./util":4,"./xmlNode":7,"he":1}],7:[function(require,module,exports){
1306+
},{"./util":5,"./xmlNode":8,"he":1}],8:[function(require,module,exports){
11421307
module.exports = function(tagname,parent,val){
11431308
this.tagname = tagname;
11441309
this.parent = parent;
1145-
this.child = [];//child tags
1310+
this.child = {};//child tags
11461311
this.attrsMap;//attributes map
11471312
this.val = val;//text only
11481313
this.addChild = function (child){
1149-
this.child.push(child);
1314+
if(this.child[child.tagname]){//already presents
1315+
this.child[child.tagname].push(child);
1316+
}else{
1317+
this.child[child.tagname]= [child];
1318+
}
11501319
};
11511320
};
1152-
},{}]},{},[3])(3)
1321+
},{}]},{},[4])(4)
11531322
});

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