fixed #23 support xml space text using options.space

Author: fengmk2

README.md

@@ -21,7 +21,7 @@ console.log(json);
 ```
 * if you want to get the Javascript object then you might want to invoke parser.toJson(xml, {object: true});
 * if you want a reversible json to xml then you should use parser.toJson(xml, {reversible: true});
-
+* if you want to keep xml space text then you should use `options.space`, `parser.toJson(xml, {space: true})`;
 
 ## License
 (The MIT License)

lib/xml2json.js

@@ -5,9 +5,11 @@ var fs = require('fs');
 var obj = {}; 
 var currentObject = {};
 var ancestors = [];
+var currentElementName = null;
 
 var options = {}; //configuration options
 function startElement(name, attrs) {
+    currentElementName = name;
     if(options.coerce) {
         // Looping here in stead of making coerce generic as object walk is unnecessary
         for (var key in attrs) {
@@ -44,14 +46,19 @@ function startElement(name, attrs) {
 }
 
 function text(data) {
-    data = data.trim();
-    if (!data.length) {
-        return;
+    if (!options.space) {
+        data = data.trim();
+        if (!data.length) {
+            return;
+        }
     }
     currentObject['$t'] = coerce((currentObject['$t'] || "") + data);
 }
 
 function endElement(name) {
+    if (options.space && currentElementName !== name) {
+        delete currentObject['$t'];
+    }
     // This should check to make sure that the name we're ending 
     // matches the name we started on.
     var ancestor = ancestors.pop();
@@ -96,10 +103,12 @@ module.exports = function(xml, _options) {
 
     obj = currentObject = {};
     ancestors = [];
+    currentElementName = null;
 
     options = {
         object: false,
-        reversible: false
+        reversible: false,
+        space: false, // keep space or not
     };
 
     for (var opt in _options) {

test/fixtures/coerce.json

@@ -0,0 +1 @@
+{"itemRecord":{"value":[{"longValue":"12345"},{"stringValue":{"number":"false","$t":"this is a string value"}},{"moneyValue":{"number":"true","currencyId":"USD","$t":"104.95"}},{"moneyValue":{"currencyId":"USD","$t":"104.95"}},{"longValue":"0","bool":{"id":"0","$t":"true"}},{"longValue":"0"},{"dateValue":"2012-02-16T17:03:33.000-07:00"},{"stringValue":"SmDZ8RlMIjDvlEW3KUibzj2Q"}]}}

test/fixtures/large.json

@@ -1,7 +1 @@
-{
-	"parent":
-	{
-		"child": { "child_property": "foo" },
-		"parent_property": "bar" 
-	}
-}
+{"parent":{"parent_property":"bar","child":{"child_property":"foo"}}}

test/fixtures/reorder.json

@@ -0,0 +1 @@
+{"doc":{"Column":[{"Name":"shit","Value":{"type":"STRING","$t":"  abc\nasdf\na "}},{"Name":"foo","Value":{"type":"STRING"}},{"Name":"foo2","Value":{"type":"STRING"}},{"Name":"bar","Value":{"type":"STRING","$t":" "}},{"PK":"true","Name":"uid","Value":{"type":"STRING","$t":"god"}}]}}

test/fixtures/spacetext.json

@@ -0,0 +1,14 @@
+<doc>
+  <Column>
+    <Name>shit</Name>
+    <Value type="STRING">  abc
+asdf
+a </Value>
+
+  </Column>
+  <Column><Name>foo</Name><Value type="STRING"></Value></Column>
+  <Column><Name>foo2</Name><Value type="STRING" /></Column>
+  <Column><Name>bar</Name><Value type="STRING"> </Value></Column>
+  <Column PK="true"><Name>uid</Name><Value type="STRING">god</Value></Column>
+</doc>
+

test/fixtures/spacetext.xml

@@ -0,0 +1,23 @@
+var fs = require('fs');
+var path = require('path');
+var parser = require('../lib');
+var assert = require('assert');
+
+var xml = fs.readFileSync(__dirname + '/fixtures/spacetext.xml');
+var json = parser.toJson(xml, {object: true, space: true});
+console.log('%j', json);
+
+function eql(a, b) {
+  for (var k in a) {
+    assert.deepEqual(a[k], b[k], JSON.stringify(a) + ' should equal ' + JSON.stringify(b));
+  }
+}
+
+assert.deepEqual(json.doc.Column.length, 5, 'should have 5 Columns');
+eql(json.doc.Column[0], {Name: 'shit', Value: {type: 'STRING', $t: '  abc\nasdf\na '}});
+eql(json.doc.Column[1], {Name: 'foo', Value: {type: 'STRING'}});
+eql(json.doc.Column[2], {Name: 'foo2', Value: {type: 'STRING'}});
+eql(json.doc.Column[3], {Name: 'bar', Value: {type: 'STRING', $t: ' '}});
+eql(json.doc.Column[4], {PK: 'true', Name: 'uid', Value: {type: 'STRING', $t: 'god'}});
+
+console.log('xml2json options.space passed!');

test/test-space.js

@@ -17,7 +17,11 @@ fs.readdir(fixturesPath, function(err, files) {
             var result = parser.toJson(data, {reversible: true});
 
             var  data2 =  fs.readFileSync(fixturesPath + '/' + file);
-            result = parser.toJson(data2);
+            if (file.indexOf('spacetext') >= 0) {
+                result = parser.toJson(data2, {space: true});
+            } else {
+                result = parser.toJson(data2);
+            }
 
             var jsonFile = basename + '.json';
             var expected = fs.readFileSync(fixturesPath + '/' + jsonFile) + '';