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  • Committer: Bazaar Package Importer
  • Author(s): W. Borgert
  • Date: 2005-05-28 12:36:42 UTC
  • Revision ID: james.westby@ubuntu.com-20050528123642-3h6kstws5u0xcovl
Tags: upstream-0.9.14
Import upstream version 0.9.14

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