sdk/lib/html/templates/html/impl/impl_Document.darttemplate

// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

class $CLASSNAME extends Node
$if DART2JS
    native "*HTMLDocument"
$endif
{

$!MEMBERS
  // TODO(jacobr): implement all Element methods not on Document.

  Element query(String selectors) {
    // It is fine for our RegExp to detect element id query selectors to have
    // false negatives but not false positives.
    if (const RegExp("^#[_a-zA-Z]\\w*\$").hasMatch(selectors)) {
      return $dom_getElementById(selectors.substring(1));
    }
    return $dom_querySelector(selectors);
  }

  List<Element> queryAll(String selectors) {
    if (const RegExp("""^\\[name=["'][^'"]+['"]\\]\$""").hasMatch(selectors)) {
      final mutableMatches = $dom_getElementsByName(
          selectors.substring(7,selectors.length - 2));
      int len = mutableMatches.length;
      final copyOfMatches = new List<Element>(len);
      for (int i = 0; i < len; ++i) {
        copyOfMatches[i] = mutableMatches[i];
      }
      return new _FrozenElementList._wrap(copyOfMatches);
    } else if (const RegExp("^[*a-zA-Z0-9]+\$").hasMatch(selectors)) {
      final mutableMatches = $dom_getElementsByTagName(selectors);
      int len = mutableMatches.length;
      final copyOfMatches = new List<Element>(len);
      for (int i = 0; i < len; ++i) {
        copyOfMatches[i] = mutableMatches[i];
      }
      return new _FrozenElementList._wrap(copyOfMatches);
    } else {
      return new _FrozenElementList._wrap($dom_querySelectorAll(selectors));
    }
  }
}