Moved most of html lib generating scripts into tools.

sdk/lib/html/src/AttributeMap.dart

-// 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.
-
-part of html;
-
-abstract class _AttributeMap implements Map<String, String> {
-  final Element _element;
-
-  _AttributeMap(this._element);
-
-  bool containsValue(String value) {
-    for (var v in this.values) {
-      if (value == v) {
-        return true;
-      }
-    }
-    return false;
-  }
-
-  String putIfAbsent(String key, String ifAbsent()) {
-    if (!containsKey(key)) {
-      this[key] = ifAbsent();
-    }
-    return this[key];
-  }
-
-  void clear() {
-    for (var key in keys) {
-      remove(key);
-    }
-  }
-
-  void forEach(void f(String key, String value)) {
-    for (var key in keys) {
-      var value = this[key];
-      f(key, value);
-    }
-  }
-
-  Collection<String> get keys {
-    // TODO: generate a lazy collection instead.
-    var attributes = _element.$dom_attributes;
-    var keys = new List<String>();
-    for (int i = 0, len = attributes.length; i < len; i++) {
-      if (_matches(attributes[i])) {
-        keys.add(attributes[i].$dom_localName);
-      }
-    }
-    return keys;
-  }
-
-  Collection<String> get values {
-    // TODO: generate a lazy collection instead.
-    var attributes = _element.$dom_attributes;
-    var values = new List<String>();
-    for (int i = 0, len = attributes.length; i < len; i++) {
-      if (_matches(attributes[i])) {
-        values.add(attributes[i].value);
-      }
-    }
-    return values;
-  }
-
-  /**
-   * Returns true if there is no {key, value} pair in the map.
-   */
-  bool get isEmpty {
-    return length == 0;
-  }
-
-  /**
-   * Checks to see if the node should be included in this map.
-   */
-  bool _matches(Node node);
-}
-
-/**
- * Wrapper to expose [Element.attributes] as a typed map.
- */
-class _ElementAttributeMap extends _AttributeMap {
-
-  _ElementAttributeMap(Element element): super(element);
-
-  bool containsKey(String key) {
-    return _element.$dom_hasAttribute(key);
-  }
-
-  String operator [](String key) {
-    return _element.$dom_getAttribute(key);
-  }
-
-  void operator []=(String key, value) {
-    _element.$dom_setAttribute(key, '$value');
-  }
-
-  String remove(String key) {
-    String value = _element.$dom_getAttribute(key);
-    _element.$dom_removeAttribute(key);
-    return value;
-  }
-
-  /**
-   * The number of {key, value} pairs in the map.
-   */
-  int get length {
-    return keys.length;
-  }
-
-  bool _matches(Node node) => node.$dom_namespaceUri == null;
-}
-
-/**
- * Wrapper to expose namespaced attributes as a typed map.
- */
-class _NamespacedAttributeMap extends _AttributeMap {
-
-  final String _namespace;
-
-  _NamespacedAttributeMap(Element element, this._namespace): super(element);
-
-  bool containsKey(String key) {
-    return _element.$dom_hasAttributeNS(_namespace, key);
-  }
-
-  String operator [](String key) {
-    return _element.$dom_getAttributeNS(_namespace, key);
-  }
-
-  void operator []=(String key, value) {
-    _element.$dom_setAttributeNS(_namespace, key, '$value');
-  }
-
-  String remove(String key) {
-    String value = this[key];
-    _element.$dom_removeAttributeNS(_namespace, key);
-    return value;
-  }
-
-  /**
-   * The number of {key, value} pairs in the map.
-   */
-  int get length {
-    return keys.length;
-  }
-
-  bool _matches(Node node) => node.$dom_namespaceUri == _namespace;
-}
-
-
-/**
- * Provides a Map abstraction on top of data-* attributes, similar to the
- * dataSet in the old DOM.
- */
-class _DataAttributeMap implements Map<String, String> {
-
-  final Map<String, String> $dom_attributes;
-
-  _DataAttributeMap(this.$dom_attributes);
-
-  // interface Map
-
-  // TODO: Use lazy iterator when it is available on Map.
-  bool containsValue(String value) => values.some((v) => v == value);
-
-  bool containsKey(String key) => $dom_attributes.containsKey(_attr(key));
-
-  String operator [](String key) => $dom_attributes[_attr(key)];
-
-  void operator []=(String key, value) {
-    $dom_attributes[_attr(key)] = '$value';
-  }
-
-  String putIfAbsent(String key, String ifAbsent()) =>
-    $dom_attributes.putIfAbsent(_attr(key), ifAbsent);
-
-  String remove(String key) => $dom_attributes.remove(_attr(key));
-
-  void clear() {
-    // Needs to operate on a snapshot since we are mutating the collection.
-    for (String key in keys) {
-      remove(key);
-    }
-  }
-
-  void forEach(void f(String key, String value)) {
-    $dom_attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        f(_strip(key), value);
-      }
-    });
-  }
-
-  Collection<String> get keys {
-    final keys = new List<String>();
-    $dom_attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        keys.add(_strip(key));
-      }
-    });
-    return keys;
-  }
-
-  Collection<String> get values {
-    final values = new List<String>();
-    $dom_attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        values.add(value);
-      }
-    });
-    return values;
-  }
-
-  int get length => keys.length;
-
-  // TODO: Use lazy iterator when it is available on Map.
-  bool get isEmpty => length == 0;
-
-  // Helpers.
-  String _attr(String key) => 'data-$key';
-  bool _matches(String key) => key.startsWith('data-');
-  String _strip(String key) => key.substring(5);
-}