| Index: third_party/pkg/js/lib/src/wrapping/js/array_to_list_adapter.dart
|
| diff --git a/third_party/pkg/js/lib/src/wrapping/js/array_to_list_adapter.dart b/third_party/pkg/js/lib/src/wrapping/js/array_to_list_adapter.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..95660bbae9e4989b5a88d0c39cc7f0cef11c8c82
|
| --- /dev/null
|
| +++ b/third_party/pkg/js/lib/src/wrapping/js/array_to_list_adapter.dart
|
| @@ -0,0 +1,558 @@
|
| +// Copyright (c) 2013, 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 js.wrapping;
|
| +
|
| +/// Adapter to handle a js array as a dart [List].
|
| +/// You can provide a translator to automatically wrap contained Proxy to some
|
| +/// TypedProxy or something else.
|
| +class JsArrayToListAdapter<E> extends TypedProxy /*with ListMixin<E>*/
|
| + implements List<E> {
|
| +
|
| + /// Like [JsArrayToListAdapter.fromProxy] but with `null` handling for
|
| + /// [proxy].
|
| + static JsArrayToListAdapter cast(Proxy proxy, [Translator translator]) =>
|
| + proxy == null ? null :
|
| + new JsArrayToListAdapter.fromProxy(proxy, translator);
|
| +
|
| + /// Same as [cast] but for array containing [Serializable] elements.
|
| + static JsArrayToListAdapter castListOfSerializables(Proxy proxy,
|
| + Mapper<dynamic, Serializable> fromJs, {mapOnlyNotNull: false}) =>
|
| + proxy == null ? null : new JsArrayToListAdapter.fromProxy(proxy,
|
| + new TranslatorForSerializable(fromJs,
|
| + mapOnlyNotNull: mapOnlyNotNull));
|
| +
|
| + final Translator<E> _translator;
|
| +
|
| + /// Create a new adapter from a proxy of a Js list.
|
| + JsArrayToListAdapter.fromProxy(Proxy proxy, [Translator<E> translator])
|
| + : this._translator = translator,
|
| + super.fromProxy(proxy);
|
| +
|
| + // Iterable
|
| + @override Iterator<E> get iterator => new _JsIterator<E>(this);
|
| + @override int get length => $unsafe.length;
|
| +
|
| + // Collection
|
| + @override void add(E value) { $unsafe.push(_toJs(value)); }
|
| + @override void clear() { this.length = 0; }
|
| + @override bool remove(Object element) => removeAt(indexOf(element)) != null;
|
| +
|
| + // List
|
| + @override E operator [](int index) {
|
| + if (index < 0 || index >= this.length) throw new RangeError.value(index);
|
| + return _fromJs($unsafe[index]);
|
| + }
|
| + @override void operator []=(int index, E value) {
|
| + if (index < 0 || index >= this.length) throw new RangeError.value(index);
|
| + $unsafe[index] = _toJs(value);
|
| + }
|
| + @override void set length(int length) { $unsafe.length = length; }
|
| + @override void sort([int compare(E a, E b)]) {
|
| + final sortedList = _asList()..sort(compare);
|
| + setRange(0, sortedList.length, sortedList);
|
| + }
|
| + @override void insert(int index, E element) {
|
| + $unsafe.splice(index, 0, _toJs(element));
|
| + }
|
| + @override E removeAt(int index) {
|
| + if (index < 0 || index >= this.length) throw new RangeError.value(index);
|
| + return _fromJs($unsafe.splice(index, 1)[0]);
|
| + }
|
| + @override E removeLast() => _fromJs($unsafe.pop());
|
| + @override List<E> sublist(int start, [int end]) =>
|
| + _asList().sublist(start, end);
|
| + @deprecated @override List<E> getRange(int start, int length) =>
|
| + _asList().getRange(start, length);
|
| + @override void setRange(int start, int length, List<E> from,
|
| + [int startFrom = 0]) {
|
| + final args = [start, length];
|
| + for(int i = startFrom; i < startFrom + length; i++) {
|
| + args.add(_toJs(from[i]));
|
| + }
|
| + $unsafe["splice"].apply($unsafe, array(args));
|
| + }
|
| + @override void removeRange(int start, int end) {
|
| + $unsafe.splice(start, end - start);
|
| + }
|
| +
|
| + @override void shuffle([Random random]) {
|
| + var shuffled = _asList().shuffle(random);
|
| + setRange(0, shuffled.length, shuffled);
|
| + }
|
| +
|
| + // private methods
|
| + dynamic _toJs(E e) => _translator == null ? e : _translator.toJs(e);
|
| + E _fromJs(dynamic value) => _translator == null ? value :
|
| + _translator.fromJs(value);
|
| +
|
| + List<E> _asList() {
|
| + final list = new List<E>();
|
| + for (int i = 0; i < length; i++) {
|
| + list.add(this[i]);
|
| + }
|
| + return list;
|
| + }
|
| +
|
| + // ListMixin duplication until http://dartbug.com/9339 is fixed
|
| +
|
| +
|
| + // Iterable interface.
|
| +// Iterator<E> get iterator => new ListIterator<E>(this);
|
| +
|
| + E elementAt(int index) => this[index];
|
| +
|
| + void forEach(void action(E element)) {
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + action(this[i]);
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + }
|
| +
|
| + bool get isEmpty => length == 0;
|
| +
|
| + bool get isNotEmpty => !isEmpty;
|
| +
|
| + E get first {
|
| + if (length == 0) throw new StateError("No elements");
|
| + return this[0];
|
| + }
|
| +
|
| + E get last {
|
| + if (length == 0) throw new StateError("No elements");
|
| + return this[length - 1];
|
| + }
|
| +
|
| + E get single {
|
| + if (length == 0) throw new StateError("No elements");
|
| + if (length > 1) throw new StateError("Too many elements");
|
| + return this[0];
|
| + }
|
| +
|
| + bool contains(E element) {
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + if (this[i] == element) return true;
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return false;
|
| + }
|
| +
|
| + bool every(bool test(E element)) {
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + if (!test(this[i])) return false;
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return true;
|
| + }
|
| +
|
| + bool any(bool test(E element)) {
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + if (test(this[i])) return true;
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return false;
|
| + }
|
| +
|
| + E firstWhere(bool test(E element), { E orElse() }) {
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + E element = this[i];
|
| + if (test(element)) return element;
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + if (orElse != null) return orElse();
|
| + throw new StateError("No matching element");
|
| + }
|
| +
|
| + E lastWhere(bool test(E element), { E orElse() }) {
|
| + int length = this.length;
|
| + for (int i = length - 1; i >= 0; i--) {
|
| + E element = this[i];
|
| + if (test(element)) return element;
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + if (orElse != null) return orElse();
|
| + throw new StateError("No matching element");
|
| + }
|
| +
|
| + E singleWhere(bool test(E element)) {
|
| + int length = this.length;
|
| + E match = null;
|
| + bool matchFound = false;
|
| + for (int i = 0; i < length; i++) {
|
| + E element = this[i];
|
| + if (test(element)) {
|
| + if (matchFound) {
|
| + throw new StateError("More than one matching element");
|
| + }
|
| + matchFound = true;
|
| + match = element;
|
| + }
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + if (matchFound) return match;
|
| + throw new StateError("No matching element");
|
| + }
|
| +
|
| + String join([String separator = ""]) {
|
| + int length = this.length;
|
| + if (!separator.isEmpty) {
|
| + if (length == 0) return "";
|
| + String first = "${this[0]}";
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + StringBuffer buffer = new StringBuffer(first);
|
| + for (int i = 1; i < length; i++) {
|
| + buffer.write(separator);
|
| + buffer.write(this[i]);
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return buffer.toString();
|
| + } else {
|
| + StringBuffer buffer = new StringBuffer();
|
| + for (int i = 0; i < length; i++) {
|
| + buffer.write(this[i]);
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return buffer.toString();
|
| + }
|
| + }
|
| +
|
| + Iterable<E> where(bool test(E element)) => _asList().where(test);
|
| +
|
| + Iterable map(f(E element)) => _asList().map(f);
|
| +
|
| + Iterable expand(Iterable f(E element)) => _asList().expand(f);
|
| +
|
| + E reduce(E combine(E previousValue, E element)) {
|
| + if (length == 0) throw new StateError("No elements");
|
| + E value = this[0];
|
| + for (int i = 1; i < length; i++) {
|
| + value = combine(value, this[i]);
|
| + }
|
| + return value;
|
| + }
|
| +
|
| + fold(var initialValue, combine(var previousValue, E element)) {
|
| + var value = initialValue;
|
| + int length = this.length;
|
| + for (int i = 0; i < length; i++) {
|
| + value = combine(value, this[i]);
|
| + if (length != this.length) {
|
| + throw new ConcurrentModificationError(this);
|
| + }
|
| + }
|
| + return value;
|
| + }
|
| +
|
| + Iterable<E> skip(int count) => _asList().skip(count);
|
| +
|
| + Iterable<E> skipWhile(bool test(E element)) => _asList().skipWhile(test);
|
| +
|
| + Iterable<E> take(int count) => _asList().take(count);
|
| +
|
| + Iterable<E> takeWhile(bool test(E element)) => _asList().takeWhile(test);
|
| +
|
| + List<E> toList({ bool growable: true }) {
|
| + List<E> result;
|
| + if (growable) {
|
| + result = new List<E>()..length = length;
|
| + } else {
|
| + result = new List<E>(length);
|
| + }
|
| + for (int i = 0; i < length; i++) {
|
| + result[i] = this[i];
|
| + }
|
| + return result;
|
| + }
|
| +
|
| + Set<E> toSet() {
|
| + Set<E> result = new Set<E>();
|
| + for (int i = 0; i < length; i++) {
|
| + result.add(this[i]);
|
| + }
|
| + return result;
|
| + }
|
| +
|
| + // Collection interface.
|
| +// void add(E element) {
|
| +// this[this.length++] = element;
|
| +// }
|
| +
|
| + void addAll(Iterable<E> iterable) {
|
| + for (E element in iterable) {
|
| + this[this.length++] = element;
|
| + }
|
| + }
|
| +
|
| +// void remove(Object element) {
|
| +// for (int i = 0; i < this.length; i++) {
|
| +// if (this[i] == element) {
|
| +// this.setRange(i, i + this.length - 1, this, i + 1);
|
| +// this.length -= 1;
|
| +// return;
|
| +// }
|
| +// }
|
| +// }
|
| +
|
| + void removeWhere(bool test(E element)) {
|
| + _filter(this, test, false);
|
| + }
|
| +
|
| + void retainWhere(bool test(E element)) {
|
| + _filter(this, test, true);
|
| + }
|
| +
|
| + static void _filter(List source,
|
| + bool test(var element),
|
| + bool retainMatching) {
|
| + List retained = [];
|
| + int length = source.length;
|
| + for (int i = 0; i < length; i++) {
|
| + var element = source[i];
|
| + if (test(element) == retainMatching) {
|
| + retained.add(element);
|
| + }
|
| + if (length != source.length) {
|
| + throw new ConcurrentModificationError(source);
|
| + }
|
| + }
|
| + if (retained.length != source.length) {
|
| + source.setRange(0, retained.length, retained);
|
| + source.length = retained.length;
|
| + }
|
| + }
|
| +
|
| +// void clear() { this.length = 0; }
|
| +
|
| + // List interface.
|
| +
|
| +// E removeLast() {
|
| +// if (length == 0) {
|
| +// throw new StateError("No elements");
|
| +// }
|
| +// E result = this[length - 1];
|
| +// length--;
|
| +// return result;
|
| +// }
|
| +
|
| +// void sort([Comparator<E> compare]) {
|
| +// Sort.sort(this, compare);
|
| +// }
|
| +
|
| + Map<int, E> asMap() => _asList().asMap();
|
| +
|
| + void _rangeCheck(int start, int end) {
|
| + if (start < 0 || start > this.length) {
|
| + throw new RangeError.range(start, 0, this.length);
|
| + }
|
| + if (end < start || end > this.length) {
|
| + throw new RangeError.range(end, start, this.length);
|
| + }
|
| + }
|
| +
|
| +// List<E> sublist(int start, [int end]) {
|
| +// if (end == null) end = length;
|
| +// _rangeCheck(start, end);
|
| +// int length = end - start;
|
| +// List<E> result = new List<E>()..length = length;
|
| +// for (int i = 0; i < length; i++) {
|
| +// result[i] = this[start + i];
|
| +// }
|
| +// return result;
|
| +// }
|
| +
|
| +// Iterable<E> getRange(int start, int end) {
|
| +// _rangeCheck(start, end);
|
| +// return new SubListIterable(this, start, end);
|
| +// }
|
| +
|
| +// void removeRange(int start, int end) {
|
| +// _rangeCheck(start, end);
|
| +// int length = end - start;
|
| +// setRange(start, this.length - length, this, end);
|
| +// this.length -= length;
|
| +// }
|
| +
|
| + void fillRange(int start, int end, [E fill]) {
|
| + _rangeCheck(start, end);
|
| + for (int i = start; i < end; i++) {
|
| + this[i] = fill;
|
| + }
|
| + }
|
| +
|
| +// void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) {
|
| +// _rangeCheck(start, end);
|
| +// int length = end - start;
|
| +// if (length == 0) return;
|
| +//
|
| +// if (skipCount < 0) throw new ArgumentError(skipCount);
|
| +//
|
| +// List otherList;
|
| +// int otherStart;
|
| +// // TODO(floitsch): Make this accept more.
|
| +// if (iterable is List) {
|
| +// otherList = iterable;
|
| +// otherStart = skipCount;
|
| +// } else {
|
| +// otherList = iterable.skip(skipCount).toList(growable: false);
|
| +// otherStart = 0;
|
| +// }
|
| +// if (otherStart + length > otherList.length) {
|
| +// throw new StateError("Not enough elements");
|
| +// }
|
| +// if (otherStart < start) {
|
| +// // Copy backwards to ensure correct copy if [from] is this.
|
| +// for (int i = length - 1; i >= 0; i--) {
|
| +// this[start + i] = otherList[otherStart + i];
|
| +// }
|
| +// } else {
|
| +// for (int i = 0; i < length; i++) {
|
| +// this[start + i] = otherList[otherStart + i];
|
| +// }
|
| +// }
|
| +// }
|
| +
|
| + void replaceRange(int start, int end, Iterable<E> newContents) {
|
| + // TODO(floitsch): Optimize this.
|
| + removeRange(start, end);
|
| + insertAll(start, newContents);
|
| + }
|
| +
|
| + int indexOf(E element, [int startIndex = 0]) {
|
| + if (startIndex >= this.length) {
|
| + return -1;
|
| + }
|
| + if (startIndex < 0) {
|
| + startIndex = 0;
|
| + }
|
| + for (int i = startIndex; i < this.length; i++) {
|
| + if (this[i] == element) {
|
| + return i;
|
| + }
|
| + }
|
| + return -1;
|
| + }
|
| +
|
| + /**
|
| + * Returns the last index in the list [a] of the given [element], starting
|
| + * the search at index [startIndex] to 0.
|
| + * Returns -1 if [element] is not found.
|
| + */
|
| + int lastIndexOf(E element, [int startIndex]) {
|
| + if (startIndex == null) {
|
| + startIndex = this.length - 1;
|
| + } else {
|
| + if (startIndex < 0) {
|
| + return -1;
|
| + }
|
| + if (startIndex >= this.length) {
|
| + startIndex = this.length - 1;
|
| + }
|
| + }
|
| + for (int i = startIndex; i >= 0; i--) {
|
| + if (this[i] == element) {
|
| + return i;
|
| + }
|
| + }
|
| + return -1;
|
| + }
|
| +
|
| +// void insert(int index, E element) {
|
| +// if (index < 0 || index > length) {
|
| +// throw new RangeError.range(index, 0, length);
|
| +// }
|
| +// if (index == this.length) {
|
| +// add(element);
|
| +// return;
|
| +// }
|
| +// // We are modifying the length just below the is-check. Without the check
|
| +// // Array.copy could throw an exception, leaving the list in a bad state
|
| +// // (with a length that has been increased, but without a new element).
|
| +// if (index is! int) throw new ArgumentError(index);
|
| +// this.length++;
|
| +// setRange(index + 1, this.length, this, index);
|
| +// this[index] = element;
|
| +// }
|
| +
|
| +// E removeAt(int index) {
|
| +// E result = this[index];
|
| +// setRange(index, this.length - 1, this, index + 1);
|
| +// length--;
|
| +// return result;
|
| +// }
|
| +
|
| + void insertAll(int index, Iterable<E> iterable) {
|
| + if (index < 0 || index > length) {
|
| + throw new RangeError.range(index, 0, length);
|
| + }
|
| + // TODO(floitsch): we can probably detect more cases.
|
| + if (iterable is! List && iterable is! Set /*&& iterable is! SubListIterable*/) {
|
| + iterable = iterable.toList();
|
| + }
|
| + int insertionLength = iterable.length;
|
| + // There might be errors after the length change, in which case the list
|
| + // will end up being modified but the operation not complete. Unless we
|
| + // always go through a "toList" we can't really avoid that.
|
| + this.length += insertionLength;
|
| + setRange(index + insertionLength, this.length, this, index);
|
| + setAll(index, iterable);
|
| + }
|
| +
|
| + void setAll(int index, Iterable<E> iterable) {
|
| + if (iterable is List) {
|
| + setRange(index, index + iterable.length, iterable);
|
| + } else {
|
| + for (E element in iterable) {
|
| + this[index++] = element;
|
| + }
|
| + }
|
| + }
|
| +
|
| + Iterable<E> get reversed => _asList().reversed;
|
| +
|
| + String toString() => _asList().toString();
|
| +}
|
| +
|
| +class _JsIterator<E> implements Iterator<E> {
|
| + final JsArrayToListAdapter<E> _jsArray;
|
| + final int length;
|
| + int _currentIndex = -1;
|
| +
|
| + _JsIterator(JsArrayToListAdapter<E> jsArray) : this._jsArray = jsArray,
|
| + length = jsArray.length;
|
| +
|
| + // Iterator
|
| + @override bool moveNext() {
|
| + if (_currentIndex + 1 < length) {
|
| + _currentIndex++;
|
| + return true;
|
| + }
|
| + return false;
|
| + }
|
| + @override E get current => _jsArray[_currentIndex];
|
| +}
|
|
|