109 lines
3.5 KiB
C#
109 lines
3.5 KiB
C#
/*
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* Copyright (c) 2019-2024, Sjofn LLC
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* All rights reserved.
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*
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* - Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Neither the name of the openmetaverse.co nor the names
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* of its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Globalization;
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using System.Text;
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namespace LibreMetaverse.LslTools
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{
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public class Charset
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{
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internal Hashtable m_chars = new Hashtable();
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internal UnicodeCategory m_cat;
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internal char m_generic;
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private Charset()
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{
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}
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internal Charset(UnicodeCategory cat)
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{
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this.m_cat = cat;
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this.m_generic = char.MinValue;
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while (char.GetUnicodeCategory(this.m_generic) != cat)
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++this.m_generic;
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this.m_chars[(object) this.m_generic] = (object) true;
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}
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public static Encoding GetEncoding(string enc, ref bool toupper, ErrorHandler erh)
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{
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string str1 = enc;
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if (str1 != null)
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{
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string str2 = string.IsInterned(str1);
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if ((object) str2 == (object) "")
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return Encoding.Default;
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if ((object) str2 == (object) "ASCII")
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return Encoding.ASCII;
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if ((object) str2 == (object) "ASCIICAPS")
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{
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toupper = true;
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return Encoding.ASCII;
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}
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if ((object) str2 == (object) "UTF7")
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#pragma warning disable CS0618
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return Encoding.UTF7;
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#pragma warning restore CS0618
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if ((object) str2 == (object) "UTF8")
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return Encoding.UTF8;
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if ((object) str2 == (object) "Unicode")
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return Encoding.Unicode;
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}
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try
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{
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if (char.IsDigit(enc[0]))
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return Encoding.GetEncoding(int.Parse(enc));
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return Encoding.GetEncoding(enc);
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}
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catch (Exception)
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{
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erh.Error(new CSToolsException(43, "Warning: Encoding " + enc + " unknown: ignored"));
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}
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return Encoding.ASCII;
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}
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public static object Serialise(object o, Serialiser s)
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{
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if (s == null)
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return (object) new Charset();
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Charset charset = (Charset) o;
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if (s.Encode)
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{
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s.Serialise((object) (int) charset.m_cat);
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s.Serialise((object) charset.m_generic);
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s.Serialise((object) charset.m_chars);
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return (object) null;
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}
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charset.m_cat = (UnicodeCategory) s.Deserialise();
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charset.m_generic = (char) s.Deserialise();
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charset.m_chars = (Hashtable) s.Deserialise();
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return (object) charset;
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}
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}
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}
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