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zzzprojects
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Adding extensions used for the .NET Runtime Compiler (v1.1)
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‎src/Z.Core/System.Text.StringBuilder/Extract/ExtractChar.cs

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using System;
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using System.Text;
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public static partial class Extensions
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{
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/// <summary>A StringBuilder extension method that extracts the character described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <returns>The extracted character.</returns>
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public static char ExtractChar(this StringBuilder @this)
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{
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return @this.ExtractChar(0);
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}
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/// <summary>A StringBuilder extension method that extracts the character described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted character.</returns>
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public static char ExtractChar(this StringBuilder @this, out int endIndex)
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{
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return @this.ExtractChar(0, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the character described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <returns>The extracted character.</returns>
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public static char ExtractChar(this StringBuilder @this, int startIndex)
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{
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int endIndex;
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return @this.ExtractChar(startIndex, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the character described by @this.</summary>
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/// <exception cref="Exception">Thrown when an exception error condition occurs.</exception>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted character.</returns>
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public static char ExtractChar(this StringBuilder @this, int startIndex, out int endIndex)
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{
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if (@this.Length > startIndex + 1)
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{
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var ch1 = @this[startIndex];
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var ch2 = @this[startIndex + 1];
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var ch3 = @this[startIndex + 2];
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if (ch1 == '\'' && ch3 == '\'')
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{
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endIndex = startIndex + 2;
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return ch2;
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}
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}
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throw new Exception("Invalid char at position: " + startIndex);
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}
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}

‎src/Z.Core/System.Text.StringBuilder/Extract/ExtractComment.cs

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using System.Text;
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public static partial class Extensions
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{
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/// <summary>A StringBuilder extension method that extracts the comment described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <returns>The extracted comment.</returns>
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public static StringBuilder ExtractComment(this StringBuilder @this)
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{
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return @this.ExtractComment(0);
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}
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/// <summary>A StringBuilder extension method that extracts the comment described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment.</returns>
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public static StringBuilder ExtractComment(this StringBuilder @this, out int endIndex)
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{
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return @this.ExtractComment(0, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the comment described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <returns>The extracted comment.</returns>
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public static StringBuilder ExtractComment(this StringBuilder @this, int startIndex)
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{
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int endIndex;
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return @this.ExtractComment(startIndex, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the comment described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment.</returns>
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public static StringBuilder ExtractComment(this StringBuilder @this, int startIndex, out int endIndex)
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{
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if (@this.Length > startIndex + 1)
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{
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var ch1 = @this[startIndex];
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var ch2 = @this[startIndex + 1];
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if (ch1 == '/' && ch2 == '/')
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{
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// Single line comment
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return @this.ExtractCommentSingleLine(startIndex, out endIndex);
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}
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if (ch1 == '/' && ch2 == '*')
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{
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/*
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* Multi-line comment
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*/
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return @this.ExtractCommentMultiLine(startIndex, out endIndex);
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}
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}
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endIndex = -1;
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return null;
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}
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}

‎src/Z.Core/System.Text.StringBuilder/Extract/ExtractCommentMultiLine.cs

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using System.Text;
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public static partial class Extensions
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{
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/// <summary>
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/// A StringBuilder extension method that extracts the comment multi line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <returns>The extracted comment multi line.</returns>
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public static StringBuilder ExtractCommentMultiLine(this StringBuilder @this)
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{
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return @this.ExtractCommentMultiLine(0);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment multi line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment multi line.</returns>
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public static StringBuilder ExtractCommentMultiLine(this StringBuilder @this, out int endIndex)
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{
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return @this.ExtractCommentMultiLine(0, out endIndex);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment multi line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <returns>The extracted comment multi line.</returns>
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public static StringBuilder ExtractCommentMultiLine(this StringBuilder @this, int startIndex)
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{
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int endIndex;
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return @this.ExtractCommentMultiLine(startIndex, out endIndex);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment multi line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment multi line.</returns>
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public static StringBuilder ExtractCommentMultiLine(this StringBuilder @this, int startIndex, out int endIndex)
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{
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var sb = new StringBuilder();
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if (@this.Length > startIndex + 1)
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{
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var ch1 = @this[startIndex];
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var ch2 = @this[startIndex + 1];
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if (ch1 == '/' && ch2 == '*')
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{
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/*
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* Multi-line comment
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*/
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sb.Append(ch1);
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sb.Append(ch2);
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var pos = startIndex + 2;
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while (pos < @this.Length)
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{
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var ch = @this[pos];
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pos++;
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if (ch == '*' && pos < @this.Length && @this[pos] == '/')
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{
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sb.Append(ch);
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sb.Append(@this[pos]);
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endIndex = pos;
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return sb;
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}
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sb.Append(ch);
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}
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endIndex = pos;
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return sb;
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}
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}
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endIndex = -1;
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return null;
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}
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}

‎src/Z.Core/System.Text.StringBuilder/Extract/ExtractCommentSingleLine.cs

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using System.Text;
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public static partial class Extensions
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{
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/// <summary>
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/// A StringBuilder extension method that extracts the comment single line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <returns>The extracted comment single line.</returns>
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public static StringBuilder ExtractCommentSingleLine(this StringBuilder @this)
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{
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return @this.ExtractCommentSingleLine(0);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment single line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment single line.</returns>
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public static StringBuilder ExtractCommentSingleLine(this StringBuilder @this, out int endIndex)
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{
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return @this.ExtractCommentSingleLine(0, out endIndex);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment single line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <returns>The extracted comment single line.</returns>
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public static StringBuilder ExtractCommentSingleLine(this StringBuilder @this, int startIndex)
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{
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int endIndex;
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return @this.ExtractCommentSingleLine(startIndex, out endIndex);
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}
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/// <summary>
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/// A StringBuilder extension method that extracts the comment single line described by
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/// @this.
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/// </summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted comment single line.</returns>
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public static StringBuilder ExtractCommentSingleLine(this StringBuilder @this, int startIndex, out int endIndex)
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{
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var sb = new StringBuilder();
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if (@this.Length > startIndex + 1)
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{
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var ch1 = @this[startIndex];
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var ch2 = @this[startIndex + 1];
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if (ch1 == '/' && ch2 == '/')
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{
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// Single line comment
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sb.Append(ch1);
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sb.Append(ch2);
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var pos = startIndex + 2;
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while (pos < @this.Length)
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{
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var ch = @this[pos];
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pos++;
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if (ch == '\r' && pos < @this.Length && @this[pos] == '\n')
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{
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endIndex = pos - 1;
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return sb;
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}
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sb.Append(ch);
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}
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endIndex = pos;
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return sb;
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}
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}
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endIndex = -1;
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return null;
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}
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}

‎src/Z.Core/System.Text.StringBuilder/Extract/ExtractHexadecimal.cs

+90
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using System.Text;
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public static partial class Extensions
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{
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/// <summary>A StringBuilder extension method that extracts the hexadecimal described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <returns>The extracted hexadecimal.</returns>
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public static StringBuilder ExtractHexadecimal(this StringBuilder @this)
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{
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return @this.ExtractHexadecimal(0);
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}
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/// <summary>A StringBuilder extension method that extracts the hexadecimal described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted hexadecimal.</returns>
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public static StringBuilder ExtractHexadecimal(this StringBuilder @this, out int endIndex)
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{
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return @this.ExtractHexadecimal(0, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the hexadecimal described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <returns>The extracted hexadecimal.</returns>
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public static StringBuilder ExtractHexadecimal(this StringBuilder @this, int startIndex)
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{
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int endIndex;
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return @this.ExtractHexadecimal(startIndex, out endIndex);
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}
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/// <summary>A StringBuilder extension method that extracts the hexadecimal described by @this.</summary>
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/// <param name="this">The @this to act on.</param>
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/// <param name="startIndex">The start index.</param>
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/// <param name="endIndex">[out] The end index.</param>
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/// <returns>The extracted hexadecimal.</returns>
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public static StringBuilder ExtractHexadecimal(this StringBuilder @this, int startIndex, out int endIndex)
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{
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// WARNING: This method support all kind of suffix for .NET Runtime Compiler
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// An operator can be any sequence of supported operator character
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if (startIndex + 1 < @this.Length && @this[startIndex] == '0'
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&& (@this[startIndex + 1] == 'x' || @this[startIndex + 1] == 'X'))
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{
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var sb = new StringBuilder();
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var hasNumber = false;
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var hasSuffix = false;
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sb.Append(@this[startIndex]);
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sb.Append(@this[startIndex + 1]);
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var pos = startIndex + 2;
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while (pos < @this.Length)
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{
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var ch = @this[pos];
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pos++;
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if (((ch >= '0' && ch <= '9')
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|| (ch >= 'a' && ch <= 'f')
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|| (ch >= 'A' && ch <= 'F'))
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&& !hasSuffix)
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{
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hasNumber = true;
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sb.Append(ch);
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}
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else if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
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{
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hasSuffix = true;
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sb.Append(ch);
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}
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else
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{
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pos -= 2;
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break;
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}
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}
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if (hasNumber)
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{
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endIndex = pos;
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return sb;
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}
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}
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endIndex = -1;
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return null;
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}
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}

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