wxWidgets/samples/ipc/connection.h
Vadim Zeitlin 351103cc45 Use proper format specifier for size_t value in ipc sample
"%d" can't be used for size_t which may be of greater size than int, so use
"%lu" with a cast to unsigned long, as is done elsewhere because "%z" is
unfortunately not portable.

Closes #17255.
2015-11-15 00:56:10 +01:00

77 lines
2.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: connection.h
// Purpose: DDE sample: MyConnection class
// Author: Vadim Zeitlin
// Created: 2008-02-11 (extracted from client.cpp)
// Copyright: (c) 1999 Julian Smart
// 2008 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_SAMPLE_IPC_CONNECTION_H_
#define _WX_SAMPLE_IPC_CONNECTION_H_
// This simple connection class adds logging of all operations
class MyConnectionBase : public wxConnection
{
protected:
void Log(const wxString& command,
const wxString& topic,
const wxString& item,
const void *data,
size_t size,
wxIPCFormat format)
{
wxString s;
if (topic.IsEmpty() && item.IsEmpty())
s.Printf("%s(", command.c_str());
else if (topic.IsEmpty())
s.Printf("%s(item=\"%s\",", command.c_str(), item.c_str());
else if (item.IsEmpty())
s.Printf("%s(topic=\"%s\",", command.c_str(), topic.c_str());
else
s.Printf("%s(topic=\"%s\",item=\"%s\",", command.c_str(), topic.c_str(), item.c_str());
switch (format)
{
case wxIPC_TEXT:
s += wxString(static_cast<const char *>(data), size);
break;
#if wxUSE_UNICODE
case wxIPC_UNICODETEXT:
s += wxString(static_cast<const wchar_t *>(data), size);
break;
#endif // wxUSE_UNICODE
case wxIPC_UTF8TEXT:
s += wxString::FromUTF8(static_cast<const char *>(data), size);
break;
case wxIPC_PRIVATE:
if ( size == 3 )
{
const char *bytes = static_cast<const char *>(data);
s << '"' << bytes[0] << bytes[1] << bytes[2] << '"';
}
else
{
s << "\"???\"";
}
break;
case wxIPC_INVALID:
s += "[invalid data]";
break;
default:
s += "[unknown data]";
break;
}
wxLogMessage("%s,%lu)", s, (unsigned long)size);
}
};
#endif // _WX_SAMPLE_IPC_CONNECTION_H_