niko
74 lines
3.6 KiB
C#
74 lines
3.6 KiB
C#
using System;
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using System.Globalization;
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namespace System.ComponentModel
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{
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/// <summary>Provides a type converter to convert Unicode character objects to and from various other representations.</summary>
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// Token: 0x02000060 RID: 96
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public class CharConverter : TypeConverter
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{
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/// <summary>Gets a value indicating whether this converter can convert an object in the given source type to a Unicode character object using the specified context.</summary>
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/// <returns>true if this converter can perform the conversion; otherwise, false.</returns>
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/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext" /> that provides a format context. </param>
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/// <param name="sourceType">A <see cref="T:System.Type" /> that represents the type you want to convert from. </param>
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// Token: 0x060003B3 RID: 947 RVA: 0x0000B5E8 File Offset: 0x000097E8
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public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
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{
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return sourceType == typeof(string) || base.CanConvertFrom(context, sourceType);
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}
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/// <summary>Converts the given object to a Unicode character object.</summary>
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/// <returns>An <see cref="T:System.Object" /> that represents the converted <paramref name="value" />.</returns>
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/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext" /> that provides a format context. </param>
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/// <param name="culture">The culture into which <paramref name="value" /> will be converted.</param>
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/// <param name="value">The <see cref="T:System.Object" /> to convert. </param>
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/// <exception cref="T:System.FormatException">
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/// <paramref name="value" /> is not a valid value for the target type. </exception>
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/// <exception cref="T:System.NotSupportedException">The conversion cannot be performed. </exception>
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// Token: 0x060003B4 RID: 948 RVA: 0x0000B604 File Offset: 0x00009804
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public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
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{
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string text = value as string;
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if (text == null)
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{
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return base.ConvertFrom(context, culture, value);
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}
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if (text.Length > 1)
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{
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text = text.Trim();
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}
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if (text.Length > 1)
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{
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throw new FormatException(string.Format("String {0} is not a valid Char: it has to be less than or equal to one char long.", text));
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}
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if (text.Length == 0)
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{
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return '\0';
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}
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return text[0];
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}
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/// <summary>Converts the given value object to a Unicode character object using the arguments.</summary>
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/// <returns>An <see cref="T:System.Object" /> that represents the converted value.</returns>
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/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext" /> that provides a format context. </param>
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/// <param name="culture">The culture into which <paramref name="value" /> will be converted.</param>
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/// <param name="value">The <see cref="T:System.Object" /> to convert. </param>
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/// <param name="destinationType">The <see cref="T:System.Type" /> to convert the value to. </param>
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/// <exception cref="T:System.NotSupportedException">The conversion cannot be performed. </exception>
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// Token: 0x060003B5 RID: 949 RVA: 0x0000B678 File Offset: 0x00009878
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public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType != typeof(string) || value == null || !(value is char))
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{
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return base.ConvertTo(context, culture, value, destinationType);
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}
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char c = (char)value;
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if (c == '\0')
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{
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return string.Empty;
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}
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return new string(c, 1);
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}
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}
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}
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