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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/protocol/protocol.h | |
3 | // Purpose: Protocol base class | |
4 | // Author: Guilhem Lavaux | |
5 | // Modified by: | |
6 | // Created: 10/07/1997 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1997, 1998 Guilhem Lavaux | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_PROTOCOL_PROTOCOL_H | |
13 | #define _WX_PROTOCOL_PROTOCOL_H | |
14 | ||
15 | #include "wx/defs.h" | |
16 | ||
17 | #if wxUSE_PROTOCOL | |
18 | ||
19 | #include "wx/object.h" | |
20 | #include "wx/string.h" | |
21 | #include "wx/stream.h" | |
22 | ||
23 | #if wxUSE_SOCKETS | |
24 | #include "wx/socket.h" | |
25 | #endif | |
26 | ||
27 | // ---------------------------------------------------------------------------- | |
28 | // constants | |
29 | // ---------------------------------------------------------------------------- | |
30 | ||
31 | typedef enum | |
32 | { | |
33 | wxPROTO_NOERR = 0, | |
34 | wxPROTO_NETERR, | |
35 | wxPROTO_PROTERR, | |
36 | wxPROTO_CONNERR, | |
37 | wxPROTO_INVVAL, | |
38 | wxPROTO_NOHNDLR, | |
39 | wxPROTO_NOFILE, | |
40 | wxPROTO_ABRT, | |
41 | wxPROTO_RCNCT, | |
42 | wxPROTO_STREAMING | |
43 | } wxProtocolError; | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // wxProtocol: abstract base class for all protocols | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | class WXDLLIMPEXP_NET wxProtocol | |
50 | #if wxUSE_SOCKETS | |
51 | : public wxSocketClient | |
52 | #else | |
53 | : public wxObject | |
54 | #endif | |
55 | { | |
56 | public: | |
57 | wxProtocol(); | |
58 | ||
59 | #if wxUSE_SOCKETS | |
60 | bool Reconnect(); | |
61 | virtual bool Connect( const wxString& WXUNUSED(host) ) { return FALSE; } | |
62 | virtual bool Connect( const wxSockAddress& addr, bool WXUNUSED(wait) = TRUE) | |
63 | { return wxSocketClient::Connect(addr); } | |
64 | ||
65 | // read a '\r\n' terminated line from the given socket and put it in | |
66 | // result (without the terminators) | |
67 | static wxProtocolError ReadLine(wxSocketBase *socket, wxString& result); | |
68 | ||
69 | // read a line from this socket - this one can be overridden in the | |
70 | // derived classes if different line termination convention is to be used | |
71 | virtual wxProtocolError ReadLine(wxString& result); | |
72 | #endif // wxUSE_SOCKETS | |
73 | ||
74 | virtual bool Abort() = 0; | |
75 | virtual wxInputStream *GetInputStream(const wxString& path) = 0; | |
76 | virtual wxProtocolError GetError() = 0; | |
77 | virtual wxString GetContentType() { return wxEmptyString; } | |
78 | virtual void SetUser(const wxString& WXUNUSED(user)) {} | |
79 | virtual void SetPassword(const wxString& WXUNUSED(passwd) ) {} | |
80 | ||
81 | private: | |
82 | DECLARE_DYNAMIC_CLASS_NO_COPY(wxProtocol) | |
83 | }; | |
84 | ||
85 | // ---------------------------------------------------------------------------- | |
86 | // macros for protocol classes | |
87 | // ---------------------------------------------------------------------------- | |
88 | ||
89 | #define DECLARE_PROTOCOL(class) \ | |
90 | public: \ | |
91 | static wxProtoInfo g_proto_##class; | |
92 | ||
93 | #define IMPLEMENT_PROTOCOL(class, name, serv, host) \ | |
94 | wxProtoInfo class::g_proto_##class(name, serv, host, CLASSINFO(class)); \ | |
95 | bool wxProtocolUse##class = TRUE; | |
96 | ||
97 | #define USE_PROTOCOL(class) \ | |
98 | extern bool wxProtocolUse##class ; \ | |
99 | static struct wxProtocolUserFor##class \ | |
100 | { \ | |
101 | wxProtocolUserFor##class() { wxProtocolUse##class = TRUE; } \ | |
102 | } wxProtocolDoUse##class; | |
103 | ||
104 | class WXDLLIMPEXP_NET wxProtoInfo : public wxObject | |
105 | { | |
106 | public: | |
107 | wxProtoInfo(const wxChar *name, | |
108 | const wxChar *serv_name, | |
109 | const bool need_host1, | |
110 | wxClassInfo *info); | |
111 | ||
112 | protected: | |
113 | wxProtoInfo *next; | |
114 | wxString m_protoname; | |
115 | wxString prefix; | |
116 | wxString m_servname; | |
117 | wxClassInfo *m_cinfo; | |
118 | bool m_needhost; | |
119 | ||
120 | friend class wxURL; | |
121 | ||
122 | DECLARE_DYNAMIC_CLASS(wxProtoInfo) | |
123 | DECLARE_NO_COPY_CLASS(wxProtoInfo) | |
124 | }; | |
125 | ||
126 | #endif // wxUSE_PROTOCOL | |
127 | ||
128 | #endif // _WX_PROTOCOL_PROTOCOL_H |