packager

app/node_modules/plist/lib/build.js

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+/**
+ * Module dependencies.
+ */
+
+var base64 = require('base64-js');
+var xmlbuilder = require('xmlbuilder');
+
+/**
+ * Module exports.
+ */
+
+exports.build = build;
+
+/**
+ * Accepts a `Date` instance and returns an ISO date string.
+ *
+ * @param {Date} d - Date instance to serialize
+ * @returns {String} ISO date string representation of `d`
+ * @api private
+ */
+
+function ISODateString(d){
+  function pad(n){
+    return n < 10 ? '0' + n : n;
+  }
+  return d.getUTCFullYear()+'-'
+    + pad(d.getUTCMonth()+1)+'-'
+    + pad(d.getUTCDate())+'T'
+    + pad(d.getUTCHours())+':'
+    + pad(d.getUTCMinutes())+':'
+    + pad(d.getUTCSeconds())+'Z';
+}
+
+/**
+ * Returns the internal "type" of `obj` via the
+ * `Object.prototype.toString()` trick.
+ *
+ * @param {Mixed} obj - any value
+ * @returns {String} the internal "type" name
+ * @api private
+ */
+
+var toString = Object.prototype.toString;
+function type (obj) {
+  var m = toString.call(obj).match(/\[object (.*)\]/);
+  return m ? m[1] : m;
+}
+
+/**
+ * Generate an XML plist string from the input object `obj`.
+ *
+ * @param {Object} obj - the object to convert
+ * @param {Object} [opts] - optional options object
+ * @returns {String} converted plist XML string
+ * @api public
+ */
+
+function build (obj, opts) {
+  var XMLHDR = {
+    version: '1.0',
+    encoding: 'UTF-8'
+  };
+
+  var XMLDTD = {
+    pubid: '-//Apple//DTD PLIST 1.0//EN',
+    sysid: 'http://www.apple.com/DTDs/PropertyList-1.0.dtd'
+  };
+
+  var doc = xmlbuilder.create('plist');
+
+  doc.dec(XMLHDR.version, XMLHDR.encoding, XMLHDR.standalone);
+  doc.dtd(XMLDTD.pubid, XMLDTD.sysid);
+  doc.att('version', '1.0');
+
+  walk_obj(obj, doc);
+
+  if (!opts) opts = {};
+  // default `pretty` to `true`
+  opts.pretty = opts.pretty !== false;
+  return doc.end(opts);
+}
+
+/**
+ * depth first, recursive traversal of a javascript object. when complete,
+ * next_child contains a reference to the build XML object.
+ *
+ * @api private
+ */
+
+function walk_obj(next, next_child) {
+  var tag_type, i, prop;
+  var name = type(next);
+
+  if ('Undefined' == name) {
+    return;
+  } else if (Array.isArray(next)) {
+    next_child = next_child.ele('array');
+    for (i = 0; i < next.length; i++) {
+      walk_obj(next[i], next_child);
+    }
+
+  } else if (Buffer.isBuffer(next)) {
+    next_child.ele('data').raw(next.toString('base64'));
+
+  } else if ('Object' == name) {
+    next_child = next_child.ele('dict');
+    for (prop in next) {
+      if (next.hasOwnProperty(prop)) {
+        next_child.ele('key').txt(prop);
+        walk_obj(next[prop], next_child);
+      }
+    }
+
+  } else if ('Number' == name) {
+    // detect if this is an integer or real
+    // TODO: add an ability to force one way or another via a "cast"
+    tag_type = (next % 1 === 0) ? 'integer' : 'real';
+    next_child.ele(tag_type).txt(next.toString());
+
+  } else if ('Date' == name) {
+    next_child.ele('date').txt(ISODateString(new Date(next)));
+
+  } else if ('Boolean' == name) {
+    next_child.ele(next ? 'true' : 'false');
+
+  } else if ('String' == name) {
+    next_child.ele('string').txt(next);
+
+  } else if ('ArrayBuffer' == name) {
+    next_child.ele('data').raw(base64.fromByteArray(next));
+
+  } else if (next && next.buffer && 'ArrayBuffer' == type(next.buffer)) {
+    // a typed array
+    next_child.ele('data').raw(base64.fromByteArray(new Uint8Array(next.buffer), next_child));
+
+  }
+}