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// file : libbuild2/config/module.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <libbuild2/config/module.hxx>
#include <libbuild2/scope.hxx>
using namespace std;
namespace build2
{
namespace config
{
bool module::
save_variable (const variable& var,
optional<uint64_t> flags,
save_variable_function* save)
{
const string& n (var.name);
// First try to find the module with the name that is the longest
// prefix of this variable name.
//
auto& sm (saved_modules);
auto i (sm.find_sup (n));
// If no module matched, then create one based on the variable name.
//
if (i == sm.end ())
{
// Note: with 'config.' prefix.
//
i = sm.insert (string (n, 0, n.find ('.', 7))).first;
}
// Don't insert duplicates. The config.import.* vars are particularly
// susceptible to duplication.
//
saved_variables& sv (i->second);
auto j (sv.find (var));
if (j != sv.end ())
{
assert (!j->flags == !flags && (!flags || *j->flags == *flags));
return false;
}
sv.push_back (saved_variable {var, flags, save});
return true;
}
void module::
save_variable (scope& rs, const variable& var, optional<uint64_t> flags)
{
if (module* m = rs.find_module<module> (module::name))
m->save_variable (var, flags);
}
bool module::
save_module (const char* name, int prio)
{
return saved_modules.insert (string ("config.") += name, prio).second;
}
void module::
save_module (scope& rs, const char* name, int prio)
{
if (module* m = rs.find_module<module> (module::name))
m->save_module (name, prio);
}
bool module::
configure_post (scope& rs, configure_post_hook* h)
{
if (module* m = rs.find_module<module> (module::name))
{
m->configure_post_.push_back (h);
return true;
}
return false;
}
bool module::
disfigure_pre (scope& rs, disfigure_pre_hook* h)
{
if (module* m = rs.find_module<module> (module::name))
{
m->disfigure_pre_.push_back (h);
return true;
}
return false;
}
const string module::name ("config");
const uint64_t module::version (1);
}
}
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