include/tools/inetstrm.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_TOOLS_INETSTRM_HXX
  20 #define INCLUDED_TOOLS_INETSTRM_HXX
  21
  22 #include <tools/toolsdllapi.h>
  23 #include <sal/types.h>
  24 #include <rtl/ustring.hxx>
  25
  26 class INetMIMEMessage;
  27 class SvMemoryStream;
  28 class SvStream;
  29
  30 enum INetStreamStatus
  31 {
  32     INETSTREAM_STATUS_LOADED     = -4,
  33     INETSTREAM_STATUS_WOULDBLOCK = -3,
  34     INETSTREAM_STATUS_OK         = -2,
  35     INETSTREAM_STATUS_ERROR      = -1
  36 };
  37
  38 enum INetMessageStreamState
  39 {
  40     INETMSG_EOL_BEGIN,
  41     INETMSG_EOL_DONE,
  42     INETMSG_EOL_SCR,
  43     INETMSG_EOL_FCR,
  44     INETMSG_EOL_FLF,
  45     INETMSG_EOL_FSP,
  46     INETMSG_EOL_FESC
  47 };
  48
  49 /// Message Generator Interface.
  50 class INetMessageIStream
  51 {
  52     INetMIMEMessage *pSourceMsg;
  53     bool            bHeaderGenerated;
  54
  55     sal_uIntPtr           nBufSiz;
  56     sal_Char       *pBuffer;
  57     sal_Char       *pRead;
  58     sal_Char       *pWrite;
  59
  60     SvStream       *pMsgStrm;
  61     SvMemoryStream *pMsgBuffer;
  62     sal_Char       *pMsgRead;
  63     sal_Char       *pMsgWrite;
  64
  65     INetMessageIStream (const INetMessageIStream& rStrm) SAL_DELETED_FUNCTION;
  66     INetMessageIStream& operator= (const INetMessageIStream& rStrm) SAL_DELETED_FUNCTION;
  67
  68 protected:
  69     virtual int GetMsgLine (sal_Char *pData, sal_uIntPtr nSize);
  70
  71 public:
  72     INetMessageIStream (sal_uIntPtr nBufferSize = 2048);
  73     virtual ~INetMessageIStream();
  74
  75     TOOLS_DLLPUBLIC int Read (sal_Char *pData, sal_uIntPtr nSize);
  76
  77     INetMIMEMessage *GetSourceMessage() const { return pSourceMsg; }
  78     void SetSourceMessage (INetMIMEMessage *pMsg) { pSourceMsg = pMsg; }
  79
  80     void SetHeaderGenerated() { bHeaderGenerated = true; }
  81     bool IsHeaderGenerated() const { return bHeaderGenerated; }
  82 };
  83
  84 /// Message Parser Interface.
  85 class INetMessageOStream
  86 {
  87     INetMIMEMessage        *pTargetMsg;
  88     bool                    bHeaderParsed;
  89
  90     INetMessageStreamState  eOState;
  91
  92     SvMemoryStream         *pMsgBuffer;
  93
  94     INetMessageOStream (const INetMessageOStream& rStrm) SAL_DELETED_FUNCTION;
  95     INetMessageOStream& operator= (const INetMessageOStream& rStrm) SAL_DELETED_FUNCTION;
  96
  97 protected:
  98     virtual int PutMsgLine (const sal_Char *pData, sal_uIntPtr nSize);
  99
 100 public:
 101     INetMessageOStream();
 102     virtual ~INetMessageOStream();
 103
 104     int Write (const sal_Char *pData, sal_uIntPtr nSize);
 105
 106     INetMIMEMessage *GetTargetMessage() const { return pTargetMsg; }
 107     void SetTargetMessage (INetMIMEMessage *pMsg) { pTargetMsg = pMsg; }
 108
 109     void ParseHeader (bool bParse = true) { bHeaderParsed = !bParse; }
 110     bool IsHeaderParsed() const { return bHeaderParsed; }
 111 };
 112
 113 enum INetMessageEncoding
 114 {
 115     INETMSG_ENCODING_7BIT,
 116     INETMSG_ENCODING_BINARY,
 117     INETMSG_ENCODING_QUOTED,
 118     INETMSG_ENCODING_BASE64
 119 };
 120
 121 class TOOLS_DLLPUBLIC INetMIMEMessageStream
 122     : public INetMessageIStream,
 123       public INetMessageOStream
 124 {
 125     int                    eState;
 126
 127     sal_uIntPtr                  nChildIndex;
 128     INetMIMEMessageStream *pChildStrm;
 129
 130     INetMessageEncoding    eEncoding;
 131     INetMessageIStream    *pEncodeStrm;
 132     INetMessageOStream    *pDecodeStrm;
 133
 134     SvMemoryStream        *pMsgBuffer;
 135
 136     static INetMessageEncoding GetMsgEncoding (
 137         const OUString& rContentType);
 138
 139     INetMIMEMessageStream (const INetMIMEMessageStream& rStrm) SAL_DELETED_FUNCTION;
 140     INetMIMEMessageStream& operator= (const INetMIMEMessageStream& rStrm) SAL_DELETED_FUNCTION;
 141
 142 protected:
 143     virtual int GetMsgLine (sal_Char *pData, sal_uIntPtr nSize) SAL_OVERRIDE;
 144     virtual int PutMsgLine (const sal_Char *pData, sal_uIntPtr nSize) SAL_OVERRIDE;
 145
 146 public:
 147     INetMIMEMessageStream (sal_uIntPtr nBufferSize = 2048);
 148     virtual ~INetMIMEMessageStream();
 149 };
 150
 151 #endif
 152
 153 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */