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// file : examples/cxx/hybrid/compositors/driver.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : not copyrighted - public domain
#include "compositors.hxx"
int
main (int, char*[])
{
// Simple choice.
//
simple_choice sc;
sc.a (123); // Automatically sets arm to a_tag.
switch (sc.choice_arm ())
{
case simple_choice::a_tag:
{
sc.a ()++;
break;
}
case simple_choice::b_tag:
{
// The b element is optional so we first need to check
// if it is present.
//
if (sc.b_present ())
{
sc.b_present (false);
}
break;
}
case simple_choice::c_tag:
{
// The c element is a sequence.
//
simple_choice::c_sequence& s = sc.c ();
for (simple_choice::c_iterator i = s.begin (); i != s.end(); ++i)
{
*i += 10;
}
break;
}
}
// Nested choice.
//
nested_choice nc;
// Initialize the choice with the 'sequence' arm.
//
nc.choice_present (true);
nested_choice::choice_type& c = nc.choice ();
c.choice_arm (nested_choice::choice_type::sequence_tag);
c.sequence ().b (123);
c.sequence ().c (true);
nc.d (456);
// Nested sequence.
//
nested_sequence ns;
nested_sequence::sequence_sequence& s = ns.sequence ();
for (int i = 0; i < 10; ++i)
{
nested_sequence::sequence_type x;
x.a (i);
if (i % 2)
{
// Initialize the nested sequence.
//
x.sequence1_present (true);
x.sequence1 ().b (i);
x.sequence1 ().c (true);
}
s.push_back (x);
}
return 0;
}
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