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#pragma once
#include "params.hh"
class OCTETSTRING;
class CHARSTRING;
class BITSTRING;
struct asn_TYPE_descriptor_s;
class asn1_recode_oer
{
protected:
int xer2oer (const asn_TYPE_descriptor_s & td, TTCN_Buffer & buf);
int oer2xer (const asn_TYPE_descriptor_s & td, TTCN_Buffer & buf);
int recode (const asn_TYPE_descriptor_s & td, int from, int to, TTCN_Buffer & buf);
};
template<typename TPDU> class oer_codec : public asn1_recode_oer
{
public:
virtual int encode(const TPDU& msg, BITSTRING& bits) = 0;
virtual int decode(const BITSTRING& bits, TPDU& msg) = 0;
protected:
inline int _decode (const TTCN_Typedescriptor_t& ttcn, const asn_TYPE_descriptor_s & td, const BITSTRING& p_data, TPDU& msg) {
TTCN_Buffer buf(bit2oct(p_data));
TTCN_EncDec::set_error_behavior(TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_WARNING);
int rc = oer2xer (td, buf);
if (rc > 0) {
msg.decode(ttcn, buf, TTCN_EncDec::CT_BER, BER_ACCEPT_ALL);
rc = buf.get_len();
}
return rc;
}
inline int _encode (const TTCN_Typedescriptor_t& ttcn, const asn_TYPE_descriptor_s & td, const TPDU& msg, BITSTRING& p_data) {
int rc = -1;
TTCN_Buffer buf;
TTCN_EncDec::set_error_behavior(TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_WARNING);
msg.encode(ttcn, buf, TTCN_EncDec::CT_BER, BER_ENCODE_DER);
if (buf.get_len() > 0) {
rc = xer2oer (td, buf);
if (rc > 0) {
p_data = oct2bit(OCTETSTRING(buf.get_len(), buf.get_data()));
}
}
return rc;
}
};
#endif