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Initial attempt to port WPF's TextContainer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| Compat issues with assembly Avalonia.Base: | ||
| InterfacesShouldHaveSameMembers : Interface member 'public Avalonia.LocalValueEnumerator Avalonia.IAvaloniaObject.GetLocalValueEnumerator()' is present in the implementation but not in the contract. | ||
| InterfacesShouldHaveSameMembers : Interface member 'public System.Object Avalonia.IAvaloniaObject.ReadLocalValue(Avalonia.AvaloniaProperty)' is present in the implementation but not in the contract. | ||
| Total Issues: 2 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,209 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
|
||
| using System; | ||
| using System.Collections; | ||
| //using System.Diagnostics; | ||
| //using MS.Internal.WindowsBase; | ||
|
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| #pragma warning disable 1634, 1691 // suppressing PreSharp warnings | ||
|
|
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| namespace Avalonia | ||
| { | ||
| /// <summary> | ||
| /// Local value enumeration object | ||
| /// </summary> | ||
| /// <remarks> | ||
| /// Modifying local values (via SetValue or ClearValue) during enumeration | ||
| /// is unsupported | ||
| /// </remarks> | ||
| public struct LocalValueEnumerator : IEnumerator | ||
| { | ||
| /// <summary> | ||
| /// Overrides Object.GetHashCode | ||
| /// </summary> | ||
| /// <returns>An integer that represents the hashcode for this object</returns> | ||
| public override int GetHashCode() | ||
| { | ||
| return base.GetHashCode(); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine equality | ||
| /// </summary> | ||
| public override bool Equals(object obj) | ||
| { | ||
| if(obj is LocalValueEnumerator) | ||
| { | ||
| LocalValueEnumerator other = (LocalValueEnumerator) obj; | ||
|
|
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| return (_count == other._count && | ||
| _index == other._index && | ||
| _snapshot == other._snapshot); | ||
| } | ||
| else | ||
| { | ||
| // being compared against something that isn't a LocalValueEnumerator. | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine equality | ||
| /// </summary> | ||
| public static bool operator ==(LocalValueEnumerator obj1, LocalValueEnumerator obj2) | ||
| { | ||
| return obj1.Equals(obj2); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine inequality | ||
| /// </summary> | ||
| public static bool operator !=(LocalValueEnumerator obj1, LocalValueEnumerator obj2) | ||
| { | ||
| return !(obj1 == obj2); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get current entry | ||
| /// </summary> | ||
| public LocalValueEntry Current | ||
| { | ||
| get | ||
| { | ||
| if(_index == -1 ) | ||
| { | ||
| #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception | ||
| throw new InvalidOperationException(/*SR.Get(SRID.LocalValueEnumerationReset)*/); | ||
| } | ||
|
|
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| if(_index >= Count ) | ||
| { | ||
| #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception | ||
| throw new InvalidOperationException(/*SR.Get(SRID.LocalValueEnumerationOutOfBounds)*/); | ||
| } | ||
|
|
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| return _snapshot[_index]; | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get current entry (object reference based) | ||
| /// </summary> | ||
| object IEnumerator.Current | ||
| { | ||
| get { return Current; } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Move to the next item in the enumerator | ||
| /// </summary> | ||
| /// <returns>Success of the method</returns> | ||
| public bool MoveNext() | ||
| { | ||
| _index++; | ||
|
|
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| return _index < Count; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Reset enumeration | ||
| /// </summary> | ||
| public void Reset() | ||
| { | ||
| _index = -1; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Return number of items represented in the collection | ||
| /// </summary> | ||
| public int Count | ||
| { | ||
| get { return _count; } | ||
| } | ||
|
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| internal LocalValueEnumerator(LocalValueEntry[] snapshot, int count) | ||
| { | ||
| _index = -1; | ||
| _count = count; | ||
| _snapshot = snapshot; | ||
| } | ||
|
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| private int _index; | ||
| private LocalValueEntry[] _snapshot; | ||
| private int _count; | ||
| } | ||
|
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||
|
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| /// <summary> | ||
| /// Represents a Property-Value pair for local value enumeration | ||
| /// </summary> | ||
| public struct LocalValueEntry | ||
| { | ||
| /// <summary> | ||
| /// Overrides Object.GetHashCode | ||
| /// </summary> | ||
| /// <returns>An integer that represents the hashcode for this object</returns> | ||
| public override int GetHashCode() | ||
| { | ||
| return base.GetHashCode(); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine equality | ||
| /// </summary> | ||
| public override bool Equals(object obj) | ||
| { | ||
| LocalValueEntry other = (LocalValueEntry) obj; | ||
|
|
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| return (_dp == other._dp && | ||
| _value == other._value); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine equality | ||
| /// </summary> | ||
| public static bool operator ==(LocalValueEntry obj1, LocalValueEntry obj2) | ||
| { | ||
| return obj1.Equals(obj2); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine inequality | ||
| /// </summary> | ||
| public static bool operator !=(LocalValueEntry obj1, LocalValueEntry obj2) | ||
| { | ||
| return !(obj1 == obj2); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Dependency property | ||
| /// </summary> | ||
| public AvaloniaProperty Property | ||
| { | ||
| get { return _dp; } | ||
| } | ||
|
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| /// <summary> | ||
| /// Value of the property | ||
| /// </summary> | ||
| public object Value | ||
| { | ||
| get { return _value; } | ||
| } | ||
|
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| internal LocalValueEntry(AvaloniaProperty dp, object value) | ||
| { | ||
| _dp = dp; | ||
| _value = value; | ||
| } | ||
|
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| // Internal here because we need to change these around when building | ||
| // the snapshot for the LocalValueEnumerator, and we can't make internal | ||
| // setters when we have public getters. | ||
| internal AvaloniaProperty _dp; | ||
| internal object _value; | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
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| <PropertyGroup> | ||
| <TargetFramework>netstandard2.0</TargetFramework> | ||
| <RootNamespace>Avalonia</RootNamespace> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\Avalonia.Base\Avalonia.Base.csproj" /> | ||
| <ProjectReference Include="..\Avalonia.Styling\Avalonia.Styling.csproj" /> | ||
| <ProjectReference Include="..\Avalonia.Visuals\Avalonia.Visuals.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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