static const char *current_(const char *profile, const char *key)
{
static const char general[] = "general";
/* - - - - - - - - - - - - - - - - - - - *
* profile lookup order:
* 1. config: "override"
* 2. custom: caller provided
* 3. config: caller provided
* 4. custom: "general"
* 5. config: "general"
* 6. config: "fallback"
* - - - - - - - - - - - - - - - - - - - */
const char *res = 0;
if( (res = override_(key)) )
{
// have override value
goto cleanup;
}
if( !xstrnull(res = custom_(profile, key)) )
{
// have non-empty custom value for requested profile
goto cleanup;
}
if( (res = config_(profile, key)) )
{
// have non-empty default value for requested profile
goto cleanup;
}
if( !xstrsame(profile, general) )
{
if( !xstrnull(res = custom_(general, key)) )
{
// have non-empty custom value for general profile
goto cleanup;
}
if( (res = config_(general, key)) )
{
// have non-empty default value for general profile
goto cleanup;
}
}
// use the fallback value
res = fallback_(key);
cleanup:
return res;
}
// Executes the function matching the given string name. Throws if not defined.
void
Library::exec(std::string const& cmd, void* arg)
{
if (cmd == "pipeline")
pipeline_((Context*)arg);
else if (cmd == "config")
config_();
else if (cmd == "ports")
port_(arg);
else
throw std::string("Application library error: Unknown command '" +
cmd + "'");
}
