mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-11-22 12:01:27 +00:00
263 lines
9.4 KiB
C++
263 lines
9.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/ipcbase.h
|
|
// Purpose: Base classes for IPC
|
|
// Author: Julian Smart
|
|
// Modified by:
|
|
// Created: 4/1/98
|
|
// Copyright: (c) Julian Smart
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_IPCBASEH__
|
|
#define _WX_IPCBASEH__
|
|
|
|
#include "wx/defs.h"
|
|
#include "wx/object.h"
|
|
#include "wx/string.h"
|
|
|
|
enum wxIPCFormat
|
|
{
|
|
wxIPC_INVALID = 0,
|
|
wxIPC_TEXT = 1, /* CF_TEXT */
|
|
wxIPC_BITMAP = 2, /* CF_BITMAP */
|
|
wxIPC_METAFILE = 3, /* CF_METAFILEPICT */
|
|
wxIPC_SYLK = 4,
|
|
wxIPC_DIF = 5,
|
|
wxIPC_TIFF = 6,
|
|
wxIPC_OEMTEXT = 7, /* CF_OEMTEXT */
|
|
wxIPC_DIB = 8, /* CF_DIB */
|
|
wxIPC_PALETTE = 9,
|
|
wxIPC_PENDATA = 10,
|
|
wxIPC_RIFF = 11,
|
|
wxIPC_WAVE = 12,
|
|
wxIPC_UTF16TEXT = 13, /* CF_UNICODE */
|
|
wxIPC_ENHMETAFILE = 14,
|
|
wxIPC_FILENAME = 15, /* CF_HDROP */
|
|
wxIPC_LOCALE = 16,
|
|
wxIPC_UTF8TEXT = 17,
|
|
wxIPC_UTF32TEXT = 18,
|
|
#if SIZEOF_WCHAR_T == 2
|
|
wxIPC_UNICODETEXT = wxIPC_UTF16TEXT,
|
|
#elif SIZEOF_WCHAR_T == 4
|
|
wxIPC_UNICODETEXT = wxIPC_UTF32TEXT,
|
|
#else
|
|
# error "Unknown wchar_t size"
|
|
#endif
|
|
wxIPC_PRIVATE = 20
|
|
};
|
|
|
|
class WXDLLIMPEXP_FWD_BASE wxServerBase;
|
|
class WXDLLIMPEXP_FWD_BASE wxClientBase;
|
|
|
|
class WXDLLIMPEXP_BASE wxConnectionBase: public wxObject
|
|
{
|
|
public:
|
|
wxConnectionBase(void *buffer, size_t size); // use external buffer
|
|
wxConnectionBase(); // use internal, adaptive buffer
|
|
wxConnectionBase(const wxConnectionBase& copy);
|
|
virtual ~wxConnectionBase();
|
|
|
|
void SetConnected( bool c ) { m_connected = c; }
|
|
bool GetConnected() const { return m_connected; }
|
|
|
|
// Calls that CLIENT can make
|
|
bool Execute(const void *data, size_t size, wxIPCFormat fmt = wxIPC_PRIVATE)
|
|
{ return DoExecute(data, size, fmt); }
|
|
bool Execute(const char *s, size_t size = wxNO_LEN)
|
|
{ return DoExecute(s, size == wxNO_LEN ? strlen(s) + 1
|
|
: size, wxIPC_TEXT); }
|
|
bool Execute(const wchar_t *ws, size_t size = wxNO_LEN)
|
|
{ return DoExecute(ws, size == wxNO_LEN ? (wcslen(ws) + 1)*sizeof(wchar_t)
|
|
: size, wxIPC_UNICODETEXT); }
|
|
bool Execute(const wxString& s)
|
|
{
|
|
const wxScopedCharBuffer buf = s.utf8_str();
|
|
return DoExecute(buf, strlen(buf) + 1, wxIPC_UTF8TEXT);
|
|
}
|
|
bool Execute(const wxCStrData& cs)
|
|
{ return Execute(cs.AsString()); }
|
|
|
|
virtual const void *Request(const wxString& item,
|
|
size_t *size = NULL,
|
|
wxIPCFormat format = wxIPC_TEXT) = 0;
|
|
|
|
bool Poke(const wxString& item, const void *data, size_t size,
|
|
wxIPCFormat fmt = wxIPC_PRIVATE)
|
|
{ return DoPoke(item, data, size, fmt); }
|
|
bool Poke(const wxString& item, const char *s, size_t size = wxNO_LEN)
|
|
{ return DoPoke(item, s, size == wxNO_LEN ? strlen(s) + 1
|
|
: size, wxIPC_TEXT); }
|
|
bool Poke(const wxString& item, const wchar_t *ws, size_t size = wxNO_LEN)
|
|
{ return DoPoke(item, ws,
|
|
size == wxNO_LEN ? (wcslen(ws) + 1)*sizeof(wchar_t)
|
|
: size, wxIPC_UNICODETEXT); }
|
|
bool Poke(const wxString& item, const wxString& s)
|
|
{
|
|
const wxScopedCharBuffer buf = s.utf8_str();
|
|
return DoPoke(item, buf, strlen(buf) + 1, wxIPC_UTF8TEXT);
|
|
}
|
|
bool Poke(const wxString& item, const wxCStrData& cs)
|
|
{ return Poke(item, cs.AsString()); }
|
|
|
|
virtual bool StartAdvise(const wxString& item) = 0;
|
|
virtual bool StopAdvise(const wxString& item) = 0;
|
|
|
|
// Calls that SERVER can make
|
|
bool Advise(const wxString& item, const void *data, size_t size,
|
|
wxIPCFormat fmt = wxIPC_PRIVATE)
|
|
{ return DoAdvise(item, data, size, fmt); }
|
|
bool Advise(const wxString& item, const char *s, size_t size = wxNO_LEN)
|
|
{ return DoAdvise(item, s, size == wxNO_LEN ? strlen(s) + 1
|
|
: size, wxIPC_TEXT); }
|
|
bool Advise(const wxString& item, const wchar_t *ws, size_t size = wxNO_LEN)
|
|
{ return DoAdvise(item, ws,
|
|
size == wxNO_LEN ? (wcslen(ws) + 1)*sizeof(wchar_t)
|
|
: size, wxIPC_UNICODETEXT); }
|
|
bool Advise(const wxString& item, const wxString& s)
|
|
{
|
|
const wxScopedCharBuffer buf = s.utf8_str();
|
|
return DoAdvise(item, buf, strlen(buf) + 1, wxIPC_UTF8TEXT);
|
|
}
|
|
bool Advise(const wxString& item, const wxCStrData& cs)
|
|
{ return Advise(item, cs.AsString()); }
|
|
|
|
// Calls that both can make
|
|
virtual bool Disconnect() = 0;
|
|
|
|
|
|
// Callbacks to SERVER - override at will
|
|
virtual bool OnExec(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(data))
|
|
{
|
|
wxFAIL_MSG( "This method shouldn't be called, if it is, it probably "
|
|
"means that you didn't update your old code overriding "
|
|
"OnExecute() to use the new parameter types (\"const void *\" "
|
|
"instead of \"wxChar *\" and \"size_t\" instead of \"int\"), "
|
|
"you must do it or your code wouldn't be executed at all!" );
|
|
return false;
|
|
}
|
|
|
|
// deprecated function kept for backwards compatibility: usually you will
|
|
// want to override OnExec() above instead which receives its data in a more
|
|
// convenient format
|
|
virtual bool OnExecute(const wxString& topic,
|
|
const void *data,
|
|
size_t size,
|
|
wxIPCFormat format)
|
|
{ return OnExec(topic, GetTextFromData(data, size, format)); }
|
|
|
|
virtual const void *OnRequest(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(item),
|
|
size_t *size,
|
|
wxIPCFormat WXUNUSED(format))
|
|
{ *size = 0; return NULL; }
|
|
|
|
virtual bool OnPoke(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(item),
|
|
const void *WXUNUSED(data),
|
|
size_t WXUNUSED(size),
|
|
wxIPCFormat WXUNUSED(format))
|
|
{ return false; }
|
|
|
|
virtual bool OnStartAdvise(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(item))
|
|
{ return false; }
|
|
|
|
virtual bool OnStopAdvise(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(item))
|
|
{ return false; }
|
|
|
|
// Callbacks to CLIENT - override at will
|
|
virtual bool OnAdvise(const wxString& WXUNUSED(topic),
|
|
const wxString& WXUNUSED(item),
|
|
const void *WXUNUSED(data),
|
|
size_t WXUNUSED(size),
|
|
wxIPCFormat WXUNUSED(format))
|
|
{ return false; }
|
|
|
|
// Callbacks to BOTH
|
|
virtual bool OnDisconnect() { delete this; return true; }
|
|
|
|
|
|
// return true if this is one of the formats used for textual data
|
|
// transmission
|
|
static bool IsTextFormat(wxIPCFormat format)
|
|
{
|
|
return format == wxIPC_TEXT ||
|
|
format == wxIPC_UTF8TEXT ||
|
|
format == wxIPC_UTF16TEXT ||
|
|
format == wxIPC_UTF32TEXT;
|
|
}
|
|
|
|
// converts from the data and format into a wxString automatically
|
|
//
|
|
// this function accepts data in all of wxIPC_TEXT, wxIPC_UNICODETEXT, and
|
|
// wxIPC_UTF8TEXT formats but asserts if the format is anything else (i.e.
|
|
// such that IsTextFormat(format) doesn't return true)
|
|
//
|
|
// notice that the size parameter here contains the total size of the data,
|
|
// including the terminating '\0' or L'\0'
|
|
static
|
|
wxString GetTextFromData(const void *data, size_t size, wxIPCFormat format);
|
|
|
|
|
|
// return a buffer at least this size, reallocating buffer if needed
|
|
// returns NULL if using an inadequate user buffer which can't be resized
|
|
void *GetBufferAtLeast(size_t bytes);
|
|
|
|
protected:
|
|
virtual bool DoExecute(const void *data, size_t size, wxIPCFormat format) = 0;
|
|
virtual bool DoPoke(const wxString& item, const void *data, size_t size,
|
|
wxIPCFormat format) = 0;
|
|
virtual bool DoAdvise(const wxString& item, const void *data, size_t size,
|
|
wxIPCFormat format) = 0;
|
|
|
|
|
|
private:
|
|
char *m_buffer;
|
|
size_t m_buffersize;
|
|
bool m_deletebufferwhendone;
|
|
|
|
protected:
|
|
bool m_connected;
|
|
|
|
wxDECLARE_NO_ASSIGN_CLASS(wxConnectionBase);
|
|
wxDECLARE_CLASS(wxConnectionBase);
|
|
};
|
|
|
|
|
|
class WXDLLIMPEXP_BASE wxServerBase : public wxObject
|
|
{
|
|
public:
|
|
wxServerBase() { }
|
|
virtual ~wxServerBase() { }
|
|
|
|
// Returns false on error (e.g. port number is already in use)
|
|
virtual bool Create(const wxString& serverName) = 0;
|
|
|
|
// Callbacks to SERVER - override at will
|
|
virtual wxConnectionBase *OnAcceptConnection(const wxString& topic) = 0;
|
|
|
|
wxDECLARE_CLASS(wxServerBase);
|
|
};
|
|
|
|
class WXDLLIMPEXP_BASE wxClientBase : public wxObject
|
|
{
|
|
public:
|
|
wxClientBase() { }
|
|
virtual ~wxClientBase() { }
|
|
|
|
virtual bool ValidHost(const wxString& host) = 0;
|
|
|
|
// Call this to make a connection. Returns NULL if cannot.
|
|
virtual wxConnectionBase *MakeConnection(const wxString& host,
|
|
const wxString& server,
|
|
const wxString& topic) = 0;
|
|
|
|
// Callbacks to CLIENT - override at will
|
|
virtual wxConnectionBase *OnMakeConnection() = 0;
|
|
|
|
wxDECLARE_CLASS(wxClientBase);
|
|
};
|
|
|
|
#endif // _WX_IPCBASEH__
|