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/*
server side js functions for handling async calls from js clients
Copyright Andrew Tridgell 2005
released under the GNU GPL Version 3 or later
*/
libinclude("encoder.js");
/*
register a new call
*/
function __register_call(name, func)
{
var c = this;
c.calls[name] = func;
}
/*
run a call sent from the client, and output the returned object (if any)
*/
function __run_call() {
var c = this;
var name = form['ajaj_func'];
if (name == undefined) {
/* no function to run */
return;
}
var args = form['ajaj_args'];
if (args == undefined) {
println("no function arguments given in run_call");
exit(0);
}
args = decodeObject(args);
if (c.calls[name] == undefined) {
println("undefined remote call " + name);
exit(0);
}
var f = c.calls[name];
var res;
/* oh what a hack - should write a varargs ejs helper */
if (args.length == 0) {
res = f();
} else if (args.length == 1) {
res = f(args[0]);
} else if (args.length == 2) {
res = f(args[0], args[1]);
} else if (args.length == 3) {
res = f(args[0], args[1], args[2]);
} else if (args.length == 4) {
res = f(args[0], args[1], args[2], args[3]);
} else if (args.length == 5) {
res = f(args[0], args[1], args[2], args[3], args[4]);
} else if (args.length == 6) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5]);
} else if (args.length == 7) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
} else if (args.length == 8) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
} else {
println("too many arguments for remote call: " + name);
exit(0);
}
var repobj = new Object();
repobj.res = res;
write(encodeObject(repobj));
exit(0);
}
/*
initialise a server call object
*/
function servCallObj()
{
var c = new Object();
c.add = __register_call;
c.run = __run_call;
c.calls = new Object();
return c;
}
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