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<link title="Netcgi1_compat" rel="Chapter" href="Netcgi1_compat.html"><title>Ocamlnet 2 Reference Manual (netcgi1 add-on) : Netcgi.std_activation</title>
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<center><h1>Class <a href="type_Netcgi.std_activation.html">Netcgi.std_activation</a></h1></center>
<br>
<pre><span class="keyword">class</span> <a name="TYPEstd_activation"></a>std_activation : <code class="type">?env:<a href="Netcgi_env.cgi_environment.html">Netcgi_env.cgi_environment</a> -> ?processing:string -> Netmime.mime_header -> <a href="Netcgi.html#TYPEargument_processing">argument_processing</a> -> ?operating_type:<a href="Netcgi.html#TYPEoperating_type">operating_type</a> -> unit -> </code><code class="type"><a href="Netcgi_types.cgi_activation.html">Netcgi_types.cgi_activation</a></code></pre>This class is an implementation of classical CGI. When the object
is created, the CGI arguments are read from the input channel, and
it is arranged that the generated page is printed to the output channel.
If <code class="code">env</code> is
not explicitly passed, the <code class="code">stdin</code> descriptor is used as input,
and the <code class="code">stdout</code> descriptor is used as output channel (conforming
to the CGI standard); depending on the process environment variables,
either the real CGI connector is activated, or the class falls back
to a test mode where the user can interactively test the CGI
application.
<p>
By passing <code class="code">env</code>, the class can be configured
differently, using other channels for I/O, or other sources for
the CGI environment variables.
<p>
The argument <code class="code">processing</code> determines how the CGI argument objects
are created (and where). The default is <code class="code">fun _ _ -> `Memory</code>.
<p>
The argument <code class="code">operating_type</code> determines whether an additional
transaction buffer is created. By default, no such buffer is
created (<code class="code">`Direct ""</code>).
<p>
Example:
<pre><code class="code"> let cgi = new std_activation() in
let foo_arg = cgi # argument_value "foo" in
cgi # set_header ~content_type:"text/plain"();
cgi # output # output_string ("foo = " ^ foo_arg);
cgi # commit_work(); (* implies "flush" *)
</code></pre>
<p>
By default, the class only processes POST data encoded as
"application/x-www-form-urlencoded" and "multipart/form-data".
If the configuration of the environment permits it, data
of other types are accepted, too, and one argument "BODY"
is created containing the unparsed data.<br>
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