Index: lib/dartdoc/frog/utils.dart |
diff --git a/lib/dartdoc/frog/utils.dart b/lib/dartdoc/frog/utils.dart |
deleted file mode 100644 |
index 414f9ce12d4e832301a64520669c0f029e3c6724..0000000000000000000000000000000000000000 |
--- a/lib/dartdoc/frog/utils.dart |
+++ /dev/null |
@@ -1,179 +0,0 @@ |
-// Copyright (c) 2011, 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. |
- |
-// Collection<T> supports most of the ES 5 Array methods, but it's missing |
-// map and reduce. |
- |
-// TODO(jmesserly): we might want a version of this that return an iterable, |
-// however JS, Python and Ruby versions are all eager. |
-List map(Iterable source, mapper(source)) { |
- List result = new List(); |
- if (source is List) { |
- List list = source; // TODO: shouldn't need this |
- result.length = list.length; |
- for (int i = 0; i < list.length; i++) { |
- result[i] = mapper(list[i]); |
- } |
- } else { |
- for (final item in source) { |
- result.add(mapper(item)); |
- } |
- } |
- return result; |
-} |
- |
-reduce(Iterable source, callback, [initialValue]) { |
- final i = source.iterator(); |
- |
- var current = initialValue; |
- if (current == null && i.hasNext()) { |
- current = i.next(); |
- } |
- while (i.hasNext()) { |
- current = callback(current, i.next()); |
- } |
- return current; |
-} |
- |
-List zip(Iterable left, Iterable right, mapper(left, right)) { |
- List result = new List(); |
- var x = left.iterator(); |
- var y = right.iterator(); |
- while (x.hasNext() && y.hasNext()) { |
- result.add(mapper(x.next(), y.next())); |
- } |
- if (x.hasNext() || y.hasNext()) { |
- throw new IllegalArgumentException(); |
- } |
- return result; |
-} |
- |
-/** Sorts the map by the key. */ |
-List orderValuesByKeys(Map map) { |
- // TODO(jmesserly): it'd be nice to have SortedMap in corelib. |
- List keys = map.getKeys(); |
- keys.sort((x, y) => x.compareTo(y)); |
- final values = []; |
- for (var k in keys) { |
- values.add(map[k]); |
- } |
- return values; |
-} |
- |
-/** |
- * A [FixedCollection] is a collection of [length] items all of which have the |
- * identical [value] |
- */ |
-class FixedCollection<E> implements Collection<E> { |
- final E value; |
- final int length; |
- const FixedCollection(this.value, this.length); |
- |
- Iterator<E> iterator() => new FixedIterator<E>(value, length); |
- void forEach(void f(E element)) { Collections.forEach(this, f); } |
- Collection map(f(E element)) => Collections.map(this, new List(), f); |
- Collection<E> filter(bool f(E element)) { |
- return Collections.filter(this, new List<E>(), f); |
- } |
- bool every(bool f(E element)) => Collections.every(this, f); |
- bool some(bool f(E element)) => Collections.some(this, f); |
- bool isEmpty() => length == 0; |
-} |
- |
-class FixedIterator<E> implements Iterator<E> { |
- final E value; |
- final int length; |
- int _index = 0; |
- FixedIterator(this.value, this.length); |
- |
- bool hasNext() => _index < length; |
- E next() { |
- _index++; |
- return value; |
- } |
-} |
- |
-// Color constants used for generating messages. |
-String _GREEN_COLOR = '\u001b[32m'; |
-String _RED_COLOR = '\u001b[31m'; |
-String _MAGENTA_COLOR = '\u001b[35m'; |
-String _NO_COLOR = '\u001b[0m'; |
- |
- |
-/** |
- * An implementation detail of [CopyOnWriteMap]. Essentially just |
- * [HashMapImplementation] plus an additional [shared] field. |
- */ |
-class _SharedBackingMap<K, V> extends HashMapImplementation<K, V> { |
- /** |
- * The number of [CopyOnWriteMap] instances sharing this excluding the |
- * original, i.e. it is safe to write iff `shared == 0`; |
- */ |
- int shared = 0; |
- _SharedBackingMap(); |
- factory _SharedBackingMap.from(Map<K, V> other) { |
- final result = new _SharedBackingMap<K, V>(); |
- other.forEach((K k, V v) { result[k] = v; }); |
- return result; |
- } |
-} |
- |
-/** A copy-on-write [Map] implementation. */ |
-// TODO(jmesserly): A persistent tree-based implementation of Map would be much |
-// nicer. This is just a quick hack to get things working. |
-class CopyOnWriteMap<K extends Hashable, V> implements HashMap<K, V> { |
- _SharedBackingMap<K, V> _map; |
- |
- CopyOnWriteMap(): _map = new _SharedBackingMap<K, V>(); |
- CopyOnWriteMap._wrap(this._map); |
- factory CopyOnWriteMap.from(Map<K, V> other) { |
- if (other is CopyOnWriteMap<K, V>) { |
- return other.dynamic.clone(); |
- } |
- return new CopyOnWriteMap<K, V>._wrap( |
- new _SharedBackingMap<K, V>.from(other)); |
- } |
- |
- CopyOnWriteMap<K, V> clone() { |
- _map.shared++; |
- return new CopyOnWriteMap<K, V>._wrap(_map); |
- } |
- |
- void _ensureWritable() { |
- if (_map.shared > 0) { |
- _map.shared--; |
- _map = new _SharedBackingMap<K, V>.from(_map); |
- } |
- } |
- |
- void operator []=(K key, V value) { |
- _ensureWritable(); |
- _map[key] = value; |
- } |
- |
- V putIfAbsent(K key, V ifAbsent()) { |
- _ensureWritable(); |
- return _map.putIfAbsent(key, ifAbsent); |
- } |
- |
- void clear() { |
- _ensureWritable(); |
- _map.clear(); |
- } |
- |
- V remove(K key) { |
- _ensureWritable(); |
- return _map.remove(key); |
- } |
- |
- // Forwarding methods: |
- V operator [](K key) => _map[key]; |
- bool isEmpty() => _map.isEmpty(); |
- int get length() => _map.length; |
- void forEach(void f(K key, V value)) => _map.forEach(f); |
- Collection<K> getKeys() => _map.getKeys(); |
- Collection<V> getValues() => _map.getValues(); |
- bool containsKey(K key) => _map.containsKey(key); |
- bool containsValue(V value) => _map.containsValue(value); |
-} |