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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,197 +1,5 @@ | ||
| final class LoopContext extends Iterable<Object?> { | ||
| LoopContext(this.values, this.depth0, this.recurse) | ||
| : length = values.length, | ||
| index0 = -1; | ||
| @Deprecated('Use `package:jinja/src/runtime.dart` instead') | ||
| library; | ||
|
|
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| final List<Object?> values; | ||
|
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| @override | ||
| final int length; | ||
|
|
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| final int depth0; | ||
|
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| final String Function(Object? data, [int depth]) recurse; | ||
|
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| int index0; | ||
|
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| @override | ||
| LoopIterator get iterator { | ||
| return LoopIterator(this); | ||
| } | ||
|
|
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| int get index { | ||
| return index0 + 1; | ||
| } | ||
|
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| int get depth { | ||
| return depth0 + 1; | ||
| } | ||
|
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| int get revindex0 { | ||
| return length - index; | ||
| } | ||
|
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| int get revindex { | ||
| return length - index0; | ||
| } | ||
|
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| @override | ||
| bool get first { | ||
| return index0 == 0; | ||
| } | ||
|
|
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| @override | ||
| bool get last { | ||
| return index == length; | ||
| } | ||
|
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| Object? get next { | ||
| if (last) { | ||
| return null; | ||
| } | ||
|
|
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| return values[index0 + 1]; | ||
| } | ||
|
|
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| Object? get prev { | ||
| if (first) { | ||
| return null; | ||
| } | ||
|
|
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| return values[index0 - 1]; | ||
| } | ||
|
|
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| Object? operator [](String key) { | ||
| switch (key) { | ||
| case 'length': | ||
| return length; | ||
| case 'index0': | ||
| return index0; | ||
| case 'depth0': | ||
| return depth0; | ||
| case 'index': | ||
| return index; | ||
| case 'depth': | ||
| return depth; | ||
| case 'revindex0': | ||
| return revindex0; | ||
| case 'revindex': | ||
| return revindex; | ||
| case 'first': | ||
| return first; | ||
| case 'last': | ||
| return last; | ||
| case 'prev': | ||
| case 'previtem': | ||
| return prev; | ||
| case 'next': | ||
| case 'nextitem': | ||
| return next; | ||
| case 'call': | ||
| return call; | ||
| case 'cycle': | ||
| return cycle; | ||
| case 'changed': | ||
| return changed; | ||
| default: | ||
| var invocation = Invocation.getter(Symbol(key)); | ||
| throw NoSuchMethodError.withInvocation(this, invocation); | ||
| } | ||
| } | ||
|
|
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| String call(Object? data) { | ||
| return recurse(data, depth); | ||
| } | ||
|
|
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| Object? cycle(Iterable<Object?> values) { | ||
| var list = values.toList(); | ||
|
|
||
| if (list.isEmpty) { | ||
| // TODO(loop): update error | ||
| throw TypeError(); | ||
| } | ||
|
|
||
| return list[index0 % list.length]; | ||
| } | ||
|
|
||
| bool changed(Object? item) { | ||
| if (index0 == 0) { | ||
| return true; | ||
| } | ||
|
|
||
| if (item == prev) { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
| } | ||
|
|
||
| final class LoopIterator implements Iterator<Object?> { | ||
| LoopIterator(this.context); | ||
|
|
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| final LoopContext context; | ||
|
|
||
| @override | ||
| Object? get current { | ||
| return context.values[context.index0]; | ||
| } | ||
|
|
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| @override | ||
| bool moveNext() { | ||
| if (context.index < context.length) { | ||
| context.index0 += 1; | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| } | ||
|
|
||
| final class Cycler extends Iterable<Object?> { | ||
| Cycler(Iterable<Object?> values) | ||
| : values = List<Object?>.of(values), | ||
| length = values.length, | ||
| index = 0; | ||
|
|
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| final List<Object?> values; | ||
|
|
||
| @override | ||
| final int length; | ||
|
|
||
| int index; | ||
|
|
||
| Object? get current { | ||
| return values[index]; | ||
| } | ||
|
|
||
| @override | ||
| Iterator<Object?> get iterator { | ||
| return CyclerIterator(this); | ||
| } | ||
|
|
||
| Object? next() { | ||
| var result = current; | ||
| index = (index + 1) % length; | ||
| return result; | ||
| } | ||
|
|
||
| void reset() { | ||
| index = 0; | ||
| } | ||
| } | ||
|
|
||
| final class CyclerIterator implements Iterator<Object?> { | ||
| CyclerIterator(this.cycler); | ||
|
|
||
| final Cycler cycler; | ||
|
|
||
| @override | ||
| Object? current; | ||
|
|
||
| @override | ||
| bool moveNext() { | ||
| current = cycler.next(); | ||
| return true; | ||
| } | ||
| } | ||
| export 'package:jinja/src/runtime.dart' | ||
| show LoopContext, LoopIterator, Cycler, CyclerIterator; |
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