75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
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// Copyright (c) Pixel Crushers. All rights reserved.
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namespace PixelCrushers
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{
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/// <summary>
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/// Conversion methods that return default values instead of throwing exceptions.
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/// </summary>
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public static class SafeConvert
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{
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/// <summary>
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/// Converts a string to an int.
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/// </summary>
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/// <param name="s">Source string.</param>
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/// <returns>int value, or 0 on conversion failure.</returns>
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public static int ToInt(string s)
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{
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int result;
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return int.TryParse(s, out result) ? result : 0;
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}
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/// <summary>
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/// Converts a string to a float.
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/// </summary>
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/// <param name="s">Source string.</param>
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/// <returns>float value, or 0 on conversion failure.</returns>
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public static float ToFloat(string s)
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{
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float result;
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return float.TryParse(s, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out result) ? result : 0;
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}
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private const string CommaTag = "%COMMA%";
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private const string DoubleQuoteTag = "%QUOTE%";
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private const string NewlineTag = "%NEWLINE%";
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/// <summary>
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/// Sanitizes a string so it can be serialized to string-based serialization systems.
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/// </summary>
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/// <param name="s">Source string.</param>
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/// <returns>Sanitized version.</returns>
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public static string ToSerializedElement(string s)
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{
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if (s.Contains(",") || s.Contains("\"") || s.Contains("\n"))
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{
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return s.Replace(",", CommaTag).Replace("\"", DoubleQuoteTag).Replace("\n", NewlineTag);
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}
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else
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{
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return s;
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}
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}
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/// <summary>
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/// Desanitizes a string that was previously sanitized for use in string-based serialization systems.
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/// </summary>
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/// <param name="s">Sanitized version.</param>
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/// <returns>Original source string.</returns>
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public static string FromSerializedElement(string s)
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{
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if (s.Contains(CommaTag) || s.Contains(DoubleQuoteTag) || s.Contains(NewlineTag))
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{
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return s.Replace(CommaTag, ",").Replace(DoubleQuoteTag, "\"").Replace(NewlineTag, "\n");
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}
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else
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{
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return s;
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}
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}
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}
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}
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