64bit integer support

bplistParser.js

@@ -3,6 +3,7 @@
 // adapted from http://code.google.com/p/plist/source/browse/trunk/src/com/dd/plist/BinaryPropertyListParser.java
 
 var fs = require('fs');
+var bigInt = require("big-integer");
 var debug = false;
 
 exports.maxObjectSize = 100 * 1000 * 1000; // 100Meg
@@ -138,9 +139,28 @@ var parseBuffer = exports.parseBuffer = function (buffer) {
       }
     }
 
+    function bufferToHexString(buffer) {
+      var str = '';
+      var i;
+      for (i = 0; i < buffer.length; i++) {
+        if (buffer[i] != 0x00) {
+          break;
+        }
+      }
+      for (; i < buffer.length; i++) {
+        var part = '00' + buffer[i].toString(16);
+        str += part.substr(part.length - 2);
+      }
+      return str;
+    }
+
     function parseInteger() {
       var length = Math.pow(2, objInfo);
-      if (length < exports.maxObjectSize) {
+      if (length > 4) {
+        var data = buffer.slice(offset + 1, offset + 1 + length);
+        var str = bufferToHexString(data);
+        return bigInt(str, 16);
+      } if (length < exports.maxObjectSize) {
         return readUInt(buffer.slice(offset + 1, offset + 1 + length));
       } else {
         throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available.");

package.json

@@ -19,5 +19,8 @@
   "repository": {
     "type": "git",
     "url": "https://github.com/nearinfinity/node-bplist-parser.git"
+  },
+  "dependencies": {
+    "big-integer": "^1.6.7"
   }
 }

test/int64.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>zero</key>
+    <integer>0</integer>
+    <key>int64item</key>
+    <integer>12345678901234567890</integer>
+  </dict>
+</plist>

test/parseTest.js

@@ -137,5 +137,23 @@ module.exports = {
       test.deepEqual(dict['$top']['root'], {UID:1});
       test.done();
     });
+  },
+
+  'int64': function (test) {
+    var file = path.join(__dirname, "int64.bplist");
+    var startTime = new Date();
+
+    bplist.parseFile(file, function (err, dicts) {
+      if (err) {
+        throw err;
+      }
+
+      var endTime = new Date();
+      console.log('Parsed "' + file + '" in ' + (endTime - startTime) + 'ms');
+      var dict = dicts[0];
+      test.equal(dict['zero'], '0');
+      test.equal(dict['int64item'], '12345678901234567890');
+      test.done();
+    });
   }
 };