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110 lines
2.3 KiB
110 lines
2.3 KiB
/*
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Copyright (c) 1997-1999 Microsoft Corporation
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Module Name:
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sdpcset.h
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Abstract:
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Author:
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*/
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#ifndef __SDP_CHARACTER_SET__
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#define __SDP_CHARACTER_SET__
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// for code pages etc.
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#include <winnls.h>
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const CHAR SDP_CHARACTER_SET_STRING[] = "\na=charset:";
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const USHORT SDP_CHARACTER_SET_STRLEN = (USHORT) strlen(SDP_CHARACTER_SET_STRING);
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const CHAR ASCII_STRING[] = "ascii";
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const USHORT ASCII_STRLEN = (USHORT) strlen(ASCII_STRING);
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const CHAR UTF7_STRING[] = "unicode-1-1-utf7";
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const USHORT UTF7_STRLEN = (USHORT) strlen(UTF7_STRING);
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const CHAR UTF8_STRING[] = "unicode-1-1-utf8";
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const USHORT UTF8_STRLEN = (USHORT) strlen(UTF8_STRING);
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enum SDP_CHARACTER_SET
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{
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CS_IMPLICIT, // implicit from the sdp
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CS_ASCII, // 8bit ISO 8859-1
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CS_UTF7, // unicode, ISO 10646, UTF-7 encoding (rfc 1642)
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CS_UTF8, // unicode, UTF-8 encoding
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CS_INVALID // invalid character set
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};
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struct SDP_CHARACTER_SET_ENTRY
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{
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SDP_CHARACTER_SET m_CharSetCode;
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const CHAR *m_CharSetString;
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USHORT m_Length;
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};
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const SDP_CHARACTER_SET_ENTRY SDP_CHARACTER_SET_TABLE[] = {
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{CS_UTF7, UTF7_STRING, UTF7_STRLEN},
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{CS_UTF8, UTF8_STRING, UTF8_STRLEN},
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{CS_ASCII, ASCII_STRING, ASCII_STRLEN}
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};
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const USHORT NUM_SDP_CHARACTER_SET_ENTRIES = sizeof(SDP_CHARACTER_SET_TABLE)/sizeof(SDP_CHARACTER_SET_ENTRY);
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inline BOOL
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IsLegalCharacterSet(
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IN SDP_CHARACTER_SET CharacterSet,
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IN OUT UINT *CodePage = NULL
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)
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{
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switch(CharacterSet)
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{
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case CS_ASCII:
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{
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if ( NULL != CodePage )
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*CodePage = CP_ACP;
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}
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break;
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case CS_UTF7:
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{
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if ( NULL != CodePage )
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*CodePage = CP_UTF7;
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}
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break;
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case CS_UTF8:
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{
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if ( NULL != CodePage )
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*CodePage = CP_UTF8;
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}
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break;
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default:
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{
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return FALSE;
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}
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}
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return TRUE;
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}
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#endif // __SDP_CHARACTER_SET__
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