| /*- |
| * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| * Redistribution and modifications are permitted subject to BSD license. |
| */ |
| /* |
| * Please read the NativeInteger.h for the explanation wrt. differences between |
| * INTEGER and NativeInteger. |
| * Basically, both are decoders and encoders of ASN.1 INTEGER type, but this |
| * implementation deals with the standard (machine-specific) representation |
| * of them instead of using the platform-independent buffer. |
| */ |
| #include <asn_internal.h> |
| #include <NativeEnumerated.h> |
| |
| /* |
| * NativeEnumerated basic type description. |
| */ |
| static ber_tlv_tag_t asn_DEF_NativeEnumerated_tags[] = { |
| (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)) |
| }; |
| asn_TYPE_descriptor_t asn_DEF_NativeEnumerated = { |
| "ENUMERATED", /* The ASN.1 type is still ENUMERATED */ |
| "ENUMERATED", |
| NativeInteger_free, |
| NativeInteger_print, |
| asn_generic_no_constraint, |
| NativeInteger_decode_ber, |
| NativeInteger_encode_der, |
| NativeInteger_decode_xer, |
| NativeEnumerated_encode_xer, |
| 0, /* Use generic outmost tag fetcher */ |
| asn_DEF_NativeEnumerated_tags, |
| sizeof(asn_DEF_NativeEnumerated_tags) / sizeof(asn_DEF_NativeEnumerated_tags[0]), |
| asn_DEF_NativeEnumerated_tags, /* Same as above */ |
| sizeof(asn_DEF_NativeEnumerated_tags) / sizeof(asn_DEF_NativeEnumerated_tags[0]), |
| 0, 0, /* No members */ |
| 0 /* No specifics */ |
| }; |
| |
| asn_enc_rval_t |
| NativeEnumerated_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
| int ilevel, enum xer_encoder_flags_e flags, |
| asn_app_consume_bytes_f *cb, void *app_key) { |
| asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics; |
| asn_enc_rval_t er; |
| const long *native = (const long *)sptr; |
| const asn_INTEGER_enum_map_t *el; |
| |
| (void)ilevel; |
| (void)flags; |
| |
| if(!native) _ASN_ENCODE_FAILED; |
| |
| el = INTEGER_map_value2enum(specs, *native); |
| if(el) { |
| size_t srcsize = el->enum_len + 5; |
| char *src = (char *)alloca(srcsize); |
| |
| er.encoded = snprintf(src, srcsize, "<%s/>", el->enum_name); |
| assert(er.encoded > 0 && (size_t)er.encoded < srcsize); |
| if(cb(src, er.encoded, app_key) < 0) _ASN_ENCODE_FAILED; |
| return er; |
| } else { |
| ASN_DEBUG("ASN.1 forbids dealing with " |
| "unknown value of ENUMERATED type"); |
| _ASN_ENCODE_FAILED; |
| } |
| |
| return er; |
| } |
| |