SharpUtils/Text/StringReference.cs at master · IS4Code/SharpUtils · GitHub

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/* Date: 15.7.2015, Time: 21:45 */

using System;

using System.Linq;

using System.Text;

using IllidanS4.SharpUtils.Accessing;

namespace IllidanS4.SharpUtils.Text

{

/// <summary>

/// Represents a mutable string.

/// </summary>

public abstract class StringReference

{

public StringReference()

{

}

public abstract void Clear();

public abstract override string ToString();

public abstract void Append(string value);

public abstract int Length{get;}

public abstract void Insert(int index, string value);

public abstract void Remove(int startIndex, int count);

public abstract void Replace(string oldValue, string newValue);

public virtual void Insert(int index, string value, int count)

{

Insert(index, String.Concat(Enumerable.Repeat(value, count)));

}

public virtual void AppendLine()

{

Append(Environment.NewLine);

}

public virtual void AppendLine(string value)

{

Append(value+Environment.NewLine);

}

public static implicit operator StringReference(StringBuilder builder)

{

return Create(builder);

}

public static implicit operator StringReference(string r)

{

return new StringRef(AtomicContainer.Create(r));

}

public static StringReference Create(StringBuilder builder)

{

return new StringBuilderRef(builder);

}

public static StringReference Create(IReadWriteAccessor<string> acc)

{

return new StringRef(acc);

}

public static StringReference Create(IReadWriteAccessor<StringChunk> acc)

{

return new StringChunkRef(acc);

}

public static void Create(ref string reference, Action<StringReference> outputAct)

{

ReferenceAccessor.Create(ref reference, r => outputAct(Create(r)));

}

public static TRet Create<TRet>(ref string reference, Func<StringReference, TRet> outputFunc)

{

return ReferenceAccessor.Create(ref reference, r => outputFunc(Create(r)));

}

public static void Create(ref StringChunk reference, Action<StringReference> outputAct)

{

ReferenceAccessor.Create(ref reference, r => outputAct(Create(r)));

}

public static TRet Create<TRet>(ref StringChunk reference, Func<StringReference, TRet> outputFunc)

{

return ReferenceAccessor.Create(ref reference, r => outputFunc(Create(r)));

}

private sealed class StringBuilderRef : StringReference

{

readonly StringBuilder builder;

public StringBuilderRef(StringBuilder builder)

{

this.builder = builder;

}

public override void Clear()

{

builder.Clear();

}

public override string ToString()

{

return builder.ToString();

}

public override void Append(string value)

{

builder.Append(value);

}

public override void AppendLine()

{

builder.AppendLine();

}

public override void AppendLine(string value)

{

builder.AppendLine(value);

}

public override int Length{

get{

return builder.Length;

}

public override void Insert(int index, string value)

{

builder.Insert(index, value);

}

public override void Insert(int index, string value, int count)

{

builder.Insert(index, value, count);

}

public override void Remove(int startIndex, int count)

{

builder.Remove(startIndex, count);

}

public override void Replace(string oldValue, string newValue)

{

builder.Replace(oldValue, newValue);

}

private sealed class StringRef : StringReference

{

readonly IReadWriteAccessor<string> acc;

private string Item{

get{

return acc.Item;

}

set{

acc.Item = value;

}

public StringRef(IReadWriteAccessor<string> acc)

{

this.acc = acc;

}

public override string ToString()

{

return Item;

}

public override void Replace(string oldValue, string newValue)

{

Item = Item.Replace(oldValue, newValue);

}

public override void Remove(int startIndex, int count)

{

Item = Item.Remove(startIndex, count);

}

public override int Length{

get{

return Item.Length;

}

public override void Insert(int index, string value)

{

Item = Item.Insert(index, value);

}

public override void Clear()

{

Item = String.Empty;

}

public override void Append(string value)

{

Item += value;

}

private sealed class StringChunkRef : StringReference

{

readonly IReadWriteAccessor<StringChunk> acc;

private StringChunk Item{

get{

return acc.Item;

}

set{

acc.Item = value;

}

public StringChunkRef(IReadWriteAccessor<StringChunk> acc)

{

this.acc = acc;

}

public override string ToString()

{

return Item.ToString();

}

public override void Replace(string oldValue, string newValue)

{

Item = Item.ToString().Replace(oldValue, newValue);

}

public override void Remove(int startIndex, int count)

{

Item = Item.ToString().Remove(startIndex, count);

}

public override int Length{

get{

return Item.Length;

}

public override void Insert(int index, string value)

{

Item = Item.ToString().Insert(index, value);

}

public override void Clear()

{

Item = default(StringChunk);

}

public override void Append(string value)

{

Item = Item.ToString()+value;

}

SharpUtils/Text/StringReference.cs at master · IS4Code/SharpUtils · GitHub

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