Hello Yuri,
Another idea is to select the sub component with a session scope
variable, like in the following code sketch. This is incomplete. In a
real program the ServerSessionState *sss would be looked up in a map
keyed by say a session number of by client ip / port.
Or if there is a concern about the client modifying the page_no
session scope cookie, then the page_no could instead by stored in
the ServerSessionState.
Regards, Mark
--------------------------------------------------------------------------------
wizard.ecpp:
--------------------------------------------------------------------------------
<%pre>
#include "ServerSessionState.h"
</%pre>
<%session scope="page">
int page_no;
</%session>
<%cpp>
ServerSessionState *sss = (ServerSessionState *)0;
switch(page_no)
{
case 0:
default:
{
</%cpp>
<& page0(sss_p = sss) qparam&>
<%cpp>
}
break;
case 1:
{
</%cpp>
<& page1(sss_p = sss) qparam&>
<%cpp>
}
break;
case 2:
{
</%cpp>
<& page2(sss_p = sss) qparam&>
<%cpp>
}
break;
}
</%cpp>
<%def page0>
<%param>
ServerSessionState *sss_p; // define a named parameter
</%param>
<html>
<head>
<title>page0</title>
</head>
<body>
<h1>page0</h1>
</body>
</html>
<%cpp>
page_no = 1;
</%cpp>
</%def>
<%def page1>
<%param>
ServerSessionState *sss_p; // define a named parameter
</%param>
<html>
<head>
<title>page1</title>
</head>
<body>
<h1>page1</h1>
</body>
</html>
<%cpp>
page_no = 2;
</%cpp>
</%def>
<%def page2>
<%param>
ServerSessionState *sss_p; // define a named parameter
</%param>
<html>
<head>
<title>page2</title>
</head>
<body>
<h1>page2</h1>
</body>
</html>
<%cpp>
page_no = 0;
</%cpp>
</%def>
--------------------------------------------------------------------------------
ServerSessionState.h
--------------------------------------------------------------------------------
#ifndef SERVER_SESSION_STATE_H
#define SERVER_SESSION_STATE_H
class ServerSessionState
{
int something;
public:
ServerSessionState() :
something(0)
{
}
};
#endif
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