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//#define XERR
#include "expr.ih"
SpecBase *Expr::getMatchObject()
{
UptrSpecBase &ptr = s_matchPtr[d_matchMode]; // the used match obj. ptr
if (not ptr.get()) // not avail.: get it
{
switch (d_matchMode)
{
case eMatchMode::CIDR:
ptr = unique_ptr<Cidr>{
new Cidr{ Options::instance().ip4() }
};
break;
case eMatchMode::STRING:
ptr = unique_ptr<StringCase>{ new StringCase };
break;
case eMatchMode::STRING_NOCASE:
ptr = unique_ptr<StringNoCase>{ new StringNoCase };
break;
case eMatchMode::PATTERN:
ptr = unique_ptr<RulePattern>{ new RulePattern{ true} };
break;
case eMatchMode::PATTERN_NOCASE:
ptr = unique_ptr<RulePattern>{ new RulePattern{ false } };
break;
case eMatchMode::SCRIPT:
ptr = unique_ptr<Script>{ new Script };
break;
default: // eMatchModeSize is never a match mode
throw Exception{} << "internal error: " __FILE__;
}
}
return ptr.get();
}
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