Pop3cli

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#region License
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//------------------------------------------------------------------------------
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// Copyright (c) Dmitrii Evdokimov
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// Source https://github.com/diev/
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// 
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//------------------------------------------------------------------------------
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// based on an article https://www.codeproject.com/Articles/15611/POP3-Email-Client-with-full-MIME-Support-NET-2-0
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// POP3 Email Client
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// =================
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//
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// copyright by Peter Huber, Singapore, 2006
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// this code is provided as is, bugs are probable, free for any use at own risk, no 
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// responsibility accepted. All rights, title and interest in and to the accompanying content retained.  :-)
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//
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// based on Standard for ARPA Internet Text Messages, http://rfc.net/rfc822.html
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// based on MIME Standard,  Internet Message Bodies, http://rfc.net/rfc2045.html
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// based on MIME Standard, Media Types, http://rfc.net/rfc2046.html
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// based on QuotedPrintable Class from ASP emporium, http://www.aspemporium.com/classes.aspx?cid=6
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// based on MIME Standard, E-mail Encapsulation of HTML (MHTML), http://rfc.net/rfc2110.html
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// based on MIME Standard, Multipart/Related Content-type, http://rfc.net/rfc2112.html
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// ?? RFC 2557       MIME Encapsulation of Aggregate Documents http://rfc.net/rfc2557.html
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#endregion
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namespace Mime
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{
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    //character array 'constants' used for analysing POP3 / IMAP4 / MIME
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    internal struct MimeChars
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    {
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        internal static readonly char[] BlankChars = { ' ' };
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        internal static readonly char[] BracketChars = { '(', ')' };
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        internal static readonly char[] ColonChars = { ':' };
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        internal static readonly char[] CommaChars = { ',' };
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        internal static readonly char[] EqualChars = { '=' };
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        internal static readonly char[] ForwardSlashChars = { '/' };
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        internal static readonly char[] SemiColonChars = { ';' };
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        internal static readonly char[] WhiteSpaceChars = { ' ', '\t' };
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        internal static readonly char[] NonValueChars = { '"', '(', ')' };
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    }
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}
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