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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 _TOOLS_INETSTRM_HXX
20 : #define _TOOLS_INETSTRM_HXX
21 :
22 : #include "tools/toolsdllapi.h"
23 : #include <sal/types.h>
24 : #include <tools/string.hxx>
25 :
26 : class INetMessage;
27 : class INetMIMEMessage;
28 : class SvMemoryStream;
29 : class SvStream;
30 :
31 : enum INetStreamStatus
32 : {
33 : INETSTREAM_STATUS_LOADED = -4,
34 : INETSTREAM_STATUS_WOULDBLOCK = -3,
35 : INETSTREAM_STATUS_OK = -2,
36 : INETSTREAM_STATUS_ERROR = -1
37 : };
38 :
39 : class TOOLS_DLLPUBLIC INetIStream
40 : {
41 : // Not implemented.
42 : INetIStream (const INetIStream& rStrm);
43 : INetIStream& operator= (const INetIStream& rStrm);
44 :
45 : protected:
46 : virtual int GetData (sal_Char *pData, sal_uIntPtr nSize) = 0;
47 :
48 : public:
49 : INetIStream ();
50 : virtual ~INetIStream (void);
51 :
52 : int Read (sal_Char *pData, sal_uIntPtr nSize);
53 : };
54 :
55 : class INetOStream
56 : {
57 : // Not implemented.
58 : INetOStream (const INetOStream& rStrm);
59 : INetOStream& operator= (const INetOStream& rStrm);
60 :
61 : protected:
62 : virtual int PutData (
63 : const sal_Char *pData, sal_uIntPtr nSize) = 0;
64 :
65 : public:
66 : INetOStream ();
67 : virtual ~INetOStream (void);
68 :
69 : int Write (const sal_Char *pData, sal_uIntPtr nSize);
70 : };
71 :
72 : enum INetMessageStreamState
73 : {
74 : INETMSG_EOL_BEGIN,
75 : INETMSG_EOL_DONE,
76 : INETMSG_EOL_SCR,
77 : INETMSG_EOL_FCR,
78 : INETMSG_EOL_FLF,
79 : INETMSG_EOL_FSP,
80 : INETMSG_EOL_FESC
81 : };
82 :
83 : /// Message Generator Interface.
84 : class INetMessageIStream : public INetIStream
85 : {
86 : INetMessage *pSourceMsg;
87 : sal_Bool bHeaderGenerated;
88 :
89 : sal_uIntPtr nBufSiz;
90 : sal_Char *pBuffer;
91 : sal_Char *pRead;
92 : sal_Char *pWrite;
93 :
94 : SvStream *pMsgStrm;
95 : SvMemoryStream *pMsgBuffer;
96 : sal_Char *pMsgRead;
97 : sal_Char *pMsgWrite;
98 :
99 : virtual int GetData (sal_Char *pData, sal_uIntPtr nSize);
100 :
101 : // Not implemented.
102 : INetMessageIStream (const INetMessageIStream& rStrm);
103 : INetMessageIStream& operator= (const INetMessageIStream& rStrm);
104 :
105 : protected:
106 : virtual int GetMsgLine (sal_Char *pData, sal_uIntPtr nSize);
107 :
108 : public:
109 : INetMessageIStream (sal_uIntPtr nBufferSize = 2048);
110 : virtual ~INetMessageIStream (void);
111 :
112 : INetMessage *GetSourceMessage (void) const { return pSourceMsg; }
113 0 : void SetSourceMessage (INetMessage *pMsg) { pSourceMsg = pMsg; }
114 :
115 0 : void GenerateHeader (sal_Bool bGen = sal_True) { bHeaderGenerated = !bGen; }
116 : sal_Bool IsHeaderGenerated (void) const { return bHeaderGenerated; }
117 : };
118 :
119 : /// Message Parser Interface.
120 : class INetMessageOStream : public INetOStream
121 : {
122 : INetMessage *pTargetMsg;
123 : sal_Bool bHeaderParsed;
124 :
125 : INetMessageStreamState eOState;
126 :
127 : SvMemoryStream *pMsgBuffer;
128 :
129 : virtual int PutData (const sal_Char *pData, sal_uIntPtr nSize);
130 :
131 : // Not implemented.
132 : INetMessageOStream (const INetMessageOStream& rStrm);
133 : INetMessageOStream& operator= (const INetMessageOStream& rStrm);
134 :
135 : protected:
136 : virtual int PutMsgLine (const sal_Char *pData, sal_uIntPtr nSize);
137 :
138 : public:
139 : INetMessageOStream (void);
140 : virtual ~INetMessageOStream (void);
141 :
142 : INetMessage *GetTargetMessage (void) const { return pTargetMsg; }
143 : void SetTargetMessage (INetMessage *pMsg) { pTargetMsg = pMsg; }
144 :
145 : void ParseHeader (sal_Bool bParse = sal_True) { bHeaderParsed = !bParse; }
146 : sal_Bool IsHeaderParsed (void) const { return bHeaderParsed; }
147 : };
148 :
149 : class INetMessageIOStream
150 : : public INetMessageIStream,
151 : public INetMessageOStream
152 : {
153 : // Not implemented.
154 : INetMessageIOStream (const INetMessageIOStream& rStrm);
155 : INetMessageIOStream& operator= (const INetMessageIOStream& rStrm);
156 :
157 : public:
158 : INetMessageIOStream (sal_uIntPtr nBufferSize = 2048);
159 : virtual ~INetMessageIOStream (void);
160 : };
161 :
162 : enum INetMessageEncoding
163 : {
164 : INETMSG_ENCODING_7BIT,
165 : INETMSG_ENCODING_8BIT,
166 : INETMSG_ENCODING_BINARY,
167 : INETMSG_ENCODING_QUOTED,
168 : INETMSG_ENCODING_BASE64
169 : };
170 :
171 : class TOOLS_DLLPUBLIC INetMIMEMessageStream : public INetMessageIOStream
172 : {
173 : int eState;
174 :
175 : sal_uIntPtr nChildIndex;
176 : INetMIMEMessageStream *pChildStrm;
177 :
178 : INetMessageEncoding eEncoding;
179 : INetMessageIStream *pEncodeStrm;
180 : INetMessageOStream *pDecodeStrm;
181 :
182 : SvMemoryStream *pMsgBuffer;
183 :
184 : static INetMessageEncoding GetMsgEncoding (
185 : const String& rContentType);
186 :
187 : // Not implemented.
188 : INetMIMEMessageStream (const INetMIMEMessageStream& rStrm);
189 : INetMIMEMessageStream& operator= (const INetMIMEMessageStream& rStrm);
190 :
191 : protected:
192 : virtual int GetMsgLine (sal_Char *pData, sal_uIntPtr nSize);
193 : virtual int PutMsgLine (const sal_Char *pData, sal_uIntPtr nSize);
194 :
195 : public:
196 : INetMIMEMessageStream (sal_uIntPtr nBufferSize = 2048);
197 : virtual ~INetMIMEMessageStream (void);
198 :
199 : using INetMessageIStream::SetSourceMessage;
200 0 : void SetSourceMessage (INetMIMEMessage *pMsg)
201 : {
202 0 : INetMessageIStream::SetSourceMessage ((INetMessage *)pMsg);
203 0 : }
204 : INetMIMEMessage *GetSourceMessage (void) const
205 : {
206 : return ((INetMIMEMessage *)INetMessageIStream::GetSourceMessage());
207 : }
208 :
209 : using INetMessageOStream::SetTargetMessage;
210 : void SetTargetMessage (INetMIMEMessage *pMsg)
211 : {
212 : INetMessageOStream::SetTargetMessage ((INetMessage *)pMsg);
213 : }
214 : INetMIMEMessage *GetTargetMessage (void) const
215 : {
216 : return ((INetMIMEMessage *)INetMessageOStream::GetTargetMessage());
217 : }
218 : };
219 :
220 : #endif
221 :
222 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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