Added files

mongoui/mongoui-master/node_modules/mongodb/lib/mongodb/utils.js

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+/**
+ * Sort functions, Normalize and prepare sort parameters
+ */
+var formatSortValue = exports.formatSortValue = function(sortDirection) {
+  var value = ("" + sortDirection).toLowerCase();
+
+  switch (value) {
+    case 'ascending':
+    case 'asc':
+    case '1':
+      return 1;
+    case 'descending':
+    case 'desc':
+    case '-1':
+      return -1;
+    default:
+      throw new Error("Illegal sort clause, must be of the form "
+                    + "[['field1', '(ascending|descending)'], "
+                    + "['field2', '(ascending|descending)']]");
+  }
+};
+
+var formattedOrderClause = exports.formattedOrderClause = function(sortValue) {
+  var orderBy = {};
+
+  if (Array.isArray(sortValue)) {
+    for(var i = 0; i < sortValue.length; i++) {
+      if(sortValue[i].constructor == String) {
+        orderBy[sortValue[i]] = 1;
+      } else {
+        orderBy[sortValue[i][0]] = formatSortValue(sortValue[i][1]);
+      }      
+    }
+  } else if(Object.prototype.toString.call(sortValue) === '[object Object]') {
+    orderBy = sortValue;
+  } else if (sortValue.constructor == String) {
+    orderBy[sortValue] = 1;
+  } else {
+    throw new Error("Illegal sort clause, must be of the form " +
+      "[['field1', '(ascending|descending)'], ['field2', '(ascending|descending)']]");
+  }
+
+  return orderBy;
+};
+
+exports.encodeInt = function(value) {
+  var buffer = new Buffer(4);
+  buffer[3] = (value >> 24) & 0xff;      
+  buffer[2] = (value >> 16) & 0xff;
+  buffer[1] = (value >> 8) & 0xff;
+  buffer[0] = value & 0xff;
+  return buffer;
+}
+
+exports.encodeIntInPlace = function(value, buffer, index) {
+  buffer[index + 3] = (value >> 24) & 0xff;			
+	buffer[index + 2] = (value >> 16) & 0xff;
+	buffer[index + 1] = (value >> 8) & 0xff;
+	buffer[index] = value & 0xff;
+}
+
+exports.encodeCString = function(string) {
+  var buf = new Buffer(string, 'utf8');
+  return [buf, new Buffer([0])];
+}
+
+exports.decodeUInt32 = function(array, index) {
+  return array[index] | array[index + 1] << 8 | array[index + 2] << 16 | array[index + 3] << 24;
+}
+
+// Decode the int
+exports.decodeUInt8 = function(array, index) {
+  return array[index];
+}
+
+/**
+ * Context insensitive type checks
+ */
+
+var toString = Object.prototype.toString;
+
+exports.isObject = function (arg) {
+  return '[object Object]' == toString.call(arg)
+}
+
+exports.isArray = function (arg) {
+  return Array.isArray(arg) ||
+    'object' == typeof arg && '[object Array]' == toString.call(arg)
+}
+
+exports.isDate = function (arg) {
+  return 'object' == typeof arg && '[object Date]' == toString.call(arg)
+}
+
+exports.isRegExp = function (arg) {
+  return 'object' == typeof arg && '[object RegExp]' == toString.call(arg)
+}
+
+/**
+ * Wrap a Mongo error document in an Error instance
+ * @ignore
+ * @api private
+ */
+exports.toError = function(error) {
+  if (error instanceof Error) return error;
+
+  var msg = error.err || error.errmsg || error;
+  var e = new Error(msg);
+  e.name = 'MongoError';
+
+  // Get all object keys
+  var keys = typeof error == 'object'
+    ? Object.keys(error)
+    : [];
+
+  for(var i = 0; i < keys.length; i++) {
+    e[keys[i]] = error[keys[i]];
+  }
+
+  return e;
+}