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many wxIPC Unicode and UTF-8 fixes (use void* instead of wxChar* in the API and UTF-8 as wire format for wxStrings) (patch 1812926)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49281 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-10-20 22:54:26 +00:00
parent 30386aeb86
commit 50c549b98d
15 changed files with 475 additions and 343 deletions
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192
include/wx/ipcbase.h
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@@ -31,10 +31,19 @@ enum wxIPCFormat
wxIPC_PENDATA = 10,
wxIPC_RIFF = 11,
wxIPC_WAVE = 12,
wxIPC_UNICODETEXT = 13,
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
};
@@ -43,113 +52,165 @@ class WXDLLIMPEXP_FWD_BASE wxClientBase;
class WXDLLIMPEXP_BASE wxConnectionBase: public wxObject
{
DECLARE_CLASS(wxConnectionBase)
public:
wxConnectionBase(wxChar *buffer, int size); // use external buffer
wxConnectionBase(void *buffer, size_t size); // use external buffer
wxConnectionBase(); // use internal, adaptive buffer
wxConnectionBase(const wxConnectionBase& copy);
virtual ~wxConnectionBase(void);
virtual ~wxConnectionBase();
void SetConnected( bool c ) { m_connected = c; }
bool GetConnected() { return m_connected; }
// Calls that CLIENT can make
virtual bool Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
// FIXME-UTF8: review this code for compatibility implications, update
// accordingly, don' use c_str() below
virtual bool Execute(const wxString& str)
{ return Execute(str.c_str(), -1, wxIPC_TEXT); }
virtual wxChar *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
virtual bool Poke(const wxString& item, const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
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 wxUTF8Buf 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 wxUTF8Buf 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
virtual bool Advise(const wxString& item, const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
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 wxUTF8Buf 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(void) = 0;
virtual bool Disconnect() = 0;
// Callbacks to SERVER - override at will
virtual bool OnExecute ( const wxString& WXUNUSED(topic),
wxChar *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return false; }
virtual bool OnExecute(const wxString& WXUNUSED(topic),
const void *WXUNUSED(data),
size_t WXUNUSED(size),
wxIPCFormat WXUNUSED(format))
{ return false; }
virtual const wxChar *OnRequest ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item),
int *WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return (wxChar *) NULL; }
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),
wxChar *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return false; }
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 OnStartAdvise(const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item))
{ return false; }
virtual bool OnStopAdvise ( 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),
wxChar *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return false; }
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; }
// Callbacks to BOTH - override at will
// Default behaviour is to delete connection and return true
virtual bool OnDisconnect(void) = 0;
// return a buffer at least this size, reallocating buffer if needed
// returns NULL if using an inadequate user buffer - it can't be resized
wxChar * GetBufferAtLeast( size_t bytes );
// returns NULL if using an inadequate user buffer which can't be resized
void *GetBufferAtLeast(size_t bytes);
protected:
bool m_connected;
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:
wxChar * m_buffer;
char *m_buffer;
size_t m_buffersize;
bool m_deletebufferwhendone;
// can't use DECLARE_NO_COPY_CLASS(wxConnectionBase) because we already
// have copy ctor but still forbid the default assignment operator
wxConnectionBase& operator=(const wxConnectionBase&);
protected:
bool m_connected;
DECLARE_NO_ASSIGN_CLASS(wxConnectionBase);
DECLARE_CLASS(wxConnectionBase)
};
class WXDLLIMPEXP_BASE wxServerBase: public wxObject
class WXDLLIMPEXP_BASE wxServerBase : public wxObject
{
DECLARE_CLASS(wxServerBase)
public:
inline wxServerBase(void) {}
inline ~wxServerBase(void) {}
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;
DECLARE_CLASS(wxServerBase)
};
class WXDLLIMPEXP_BASE wxClientBase: public wxObject
class WXDLLIMPEXP_BASE wxClientBase : public wxObject
{
DECLARE_CLASS(wxClientBase)
public:
inline wxClientBase(void) {}
inline ~wxClientBase(void) {}
wxClientBase() { }
virtual ~wxClientBase() { }
virtual bool ValidHost(const wxString& host) = 0;
@@ -159,8 +220,9 @@ public:
const wxString& topic) = 0;
// Callbacks to CLIENT - override at will
virtual wxConnectionBase *OnMakeConnection(void) = 0;
virtual wxConnectionBase *OnMakeConnection() = 0;
DECLARE_CLASS(wxClientBase)
};
#endif
// _WX_IPCBASEH__
#endif // _WX_IPCBASEH__