initial commit

Author: c4milo

.gitignore

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+node_modules
+*.swp

README.md

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+module.exports = require('./lib');

index.js

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+var expat = require('node-expat');
+var fs = require('fs');
+var parser = new expat.Parser('UTF-8');
+
+// This object will hold the final result.
+var obj = {};
+var currentParent = obj;
+var ancestors = [];
+
+function startElement(name, attrs) {
+  if (! (name in currentParent)) {
+    currentParent[name] = attrs;
+  } else if (!(currentParent[name] instanceof Array)) {
+    // Put the existing object in an array.
+    var newArray = [currentParent[name]];
+    // Add the new object to the array.
+    newArray.push(attrs);
+    // Point to the new array.
+    currentParent[name] = newArray;
+  } else {
+    // An array already exists, push the attributes on to it.
+    currentParent[name].push(attrs);
+  }
+
+  // Store the current (old) parent.
+  ancestors.push(currentParent);
+
+  // We are now working with this object, so it becomes the current parent.
+  if (currentParent[name] instanceof Array) {
+    // If it is an array, get the last element of the array.
+    currentParent = currentParent[name][currentParent[name].length - 1];
+  } else {
+    // Otherwise, use the object itself.
+    currentParent = currentParent[name];
+  }
+}
+
+function charData(data) {
+    data = data.trim();
+    if (!data.length) {
+        return;
+    }
+    currentParent['$t'] = data;
+}
+
+function endElement(name) {
+    // This should check to make sure that the name we're ending 
+    // matches the name we started on.
+
+    var ancestor = ancestors.pop();
+    if ((Object.keys(currentParent).length == 1) && ('$t' in currentParent)) {
+        if (ancestor[name] instanceof Array) {
+            //console.log("list-replacing $t in " + name);
+            ancestor[name].push(ancestor[name].pop()['$t']);
+        } else {
+            //console.log("replacing $t in " + name);
+            ancestor[name] = currentParent['$t'];
+        }
+    } else {
+        //console.log("final " + name + ":");
+        //console.log(currentParent);
+    }
+
+    currentParent = ancestor;
+}
+
+parser.on('startElement', startElement);
+parser.on('text', charData);
+parser.on('endElement', endElement);
+
+module.exports.toJson = function(xml, _object) {
+    _object = _object || false;
+    if(parser.parse(xml)) {
+        if(_object) {
+            return obj;
+        }
+        return JSON.stringify(obj);
+    }
+};
+
+

lib/index.js

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+{   "name" : "xml2json",
+    "version": "0.1.0",
+    "author": "Andrew Turley",
+    "email": "aturley@buglabs.net",
+    "description" : "Converts xml to json using node-expat.",
+    "repository": "git://github.com/buglabs/node-xml2json.git", 
+    "main": "index", 
+    "maintainers":[ {
+         "name": "Camilo Aguilar",
+         "email": "camilo@buglabs.net"} 
+    ],
+    "dependencies": {
+       "node-expat": "1.3.2" 
+    }
+}
+

package.json

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+{"domain":{"type":"qemu","name":"QEmu-fedora-i686","uuid":"c7a5fdbd-cdaf-9455-926a-d65c16db1809","memory":"219200","currentMemory":"219200","vcpu":"2","os":{"type":{"arch":"i686","machine":"pc","$t":"hvm"},"boot":{"dev":"cdrom"}},"devices":{"emulator":"/usr/bin/qemu-system-x86_64","disk":[{"type":"file","device":"cdrom","source":{"file":"/home/user/boot.iso"},"target":{"dev":"hdc"},"readonly":{}},{"type":"file","device":"disk","source":{"file":"/home/user/fedora.img"},"target":{"dev":"hda"}}],"interface":{"type":"network","source":{"network":"default"}},"graphics":{"type":"vnc","port":"-1"}},"ah":[{"type":"rare","foo":"bar","$t":"cosa1"},{"type":"normal","$t":"cosa2"},"cosa3"]}}

test/fixtures/domain.json

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+<domain type='qemu'>
+  <name>QEmu-fedora-i686</name>
+  <uuid>c7a5fdbd-cdaf-9455-926a-d65c16db1809</uuid>
+  <memory>219200</memory>
+  <currentMemory>219200</currentMemory>
+  <vcpu>2</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='cdrom'/>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='cdrom'>
+      <source file='/home/user/boot.iso'/>
+      <target dev='hdc'/>
+      <readonly/>
+    </disk>
+    <disk type='file' device='disk'>
+      <source file='/home/user/fedora.img'/>
+      <target dev='hda'/>
+    </disk>
+    <interface type='network'>
+      <source network='default'/>
+    </interface>
+    <graphics type='vnc' port='-1'/>
+  </devices>
+  <ah type='rare' foo='bar'>cosa1</ah>
+  <ah type='normal'>cosa2</ah>
+  <ah>cosa3</ah>
+</domain>

test/fixtures/domain.xml

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+var fs = require('fs');
+var path = require('path');
+var parser = require('../lib');
+var assert = require('assert');
+
+var fixturesPath = 'fixtures';
+
+fs.readdir(fixturesPath, function(err, files) {
+    for(var i in files) {
+        var file = files[i];
+        var ext = path.extname(file);
+               
+        if(ext == '.xml') {
+            var basename = path.basename(file, '.xml');
+
+            var data = fs.readFileSync(fixturesPath + '/' + file);
+            var result = parser.toJson(data);
+                
+            var jsonFile = basename + '.json'
+            var expected = fs.readFileSync(fixturesPath + '/' + jsonFile) + '';
+            
+            if(result) {
+                result = result.trim();
+            }
+
+            if(expected) {
+                expected = expected.trim();
+            }
+
+            assert.deepEqual(result, expected, jsonFile + ' and ' + file + ' are different');
+        }
+    }
+});