Exemple #1
0
/*
 * The XER encoder of any type. May be invoked by the application.
 */
asn_enc_rval_t
xer_encode(asn_TYPE_descriptor_t *td, void *sptr,
	enum xer_encoder_flags_e xer_flags,
		asn_app_consume_bytes_f *cb, void *app_key) {
	asn_enc_rval_t er, tmper;
	const char *mname;
	size_t mlen;
	int xcan = (xer_flags & XER_F_CANONICAL) ? 1 : 2;

	if(!td || !sptr) goto cb_failed;

	mname = td->xml_tag;
	mlen = strlen(mname);

	ASN__CALLBACK3("<", 1, mname, mlen, ">", 1);

	tmper = td->xer_encoder(td, sptr, 1, xer_flags, cb, app_key);
	if(tmper.encoded == -1) return tmper;

	ASN__CALLBACK3("</", 2, mname, mlen, ">\n", xcan);

	er.encoded = 4 + xcan + (2 * mlen) + tmper.encoded;

	ASN__ENCODED_OK(er);
cb_failed:
	ASN__ENCODE_FAILED;
}
Exemple #2
0
asn_enc_rval_t
CHOICE_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
                  enum xer_encoder_flags_e flags, asn_app_consume_bytes_f *cb,
                  void *app_key) {
    const asn_CHOICE_specifics_t *specs =
        (const asn_CHOICE_specifics_t *)td->specifics;
    asn_enc_rval_t er;
	unsigned present;

	if(!sptr)
		ASN__ENCODE_FAILED;

	/*
	 * Figure out which CHOICE element is encoded.
	 */
	present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size);

	if(present == 0 || present > td->elements_count) {
		ASN__ENCODE_FAILED;
	}  else {
		asn_enc_rval_t tmper;
		asn_TYPE_member_t *elm = &td->elements[present-1];
		const void *memb_ptr;
		const char *mname = elm->name;
		unsigned int mlen = strlen(mname);

		if(elm->flags & ATF_POINTER) {
            memb_ptr =
                *(const void *const *)((const char *)sptr + elm->memb_offset);
            if(!memb_ptr) ASN__ENCODE_FAILED;
		} else {
            memb_ptr = (const void *)((const char *)sptr + elm->memb_offset);
        }

        er.encoded = 0;

		if(!(flags & XER_F_CANONICAL)) ASN__TEXT_INDENT(1, ilevel);
		ASN__CALLBACK3("<", 1, mname, mlen, ">", 1);

		tmper = elm->type->op->xer_encoder(elm->type, memb_ptr,
				ilevel + 1, flags, cb, app_key);
		if(tmper.encoded == -1) return tmper;
		er.encoded += tmper.encoded;

		ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
	}

	if(!(flags & XER_F_CANONICAL)) ASN__TEXT_INDENT(1, ilevel - 1);

	ASN__ENCODED_OK(er);
cb_failed:
	ASN__ENCODE_FAILED;
}
Exemple #3
0
asn_enc_rval_t
SET_OF_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_enc_rval_t er;
	asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
	asn_TYPE_member_t *elm = td->elements;
	asn_anonymous_set_ *list = _A_SET_FROM_VOID(sptr);
	const char *mname = specs->as_XMLValueList
		? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag);
	size_t mlen = mname ? strlen(mname) : 0;
	int xcan = (flags & XER_F_CANONICAL);
	xer_tmp_enc_t *encs = 0;
	size_t encs_count = 0;
	void *original_app_key = app_key;
	asn_app_consume_bytes_f *original_cb = cb;
	int i;

	if(!sptr) ASN__ENCODE_FAILED;

	if(xcan) {
		encs = (xer_tmp_enc_t *)MALLOC(list->count * sizeof(encs[0]));
		if(!encs) ASN__ENCODE_FAILED;
		cb = SET_OF_encode_xer_callback;
	}

	er.encoded = 0;

	for(i = 0; i < list->count; i++) {
		asn_enc_rval_t tmper;

		void *memb_ptr = list->array[i];
		if(!memb_ptr) continue;

		if(encs) {
			memset(&encs[encs_count], 0, sizeof(encs[0]));
			app_key = &encs[encs_count];
			encs_count++;
		}

		if(mname) {
			if(!xcan) ASN__TEXT_INDENT(1, ilevel);
			ASN__CALLBACK3("<", 1, mname, mlen, ">", 1);
		}

		if(!xcan && specs->as_XMLValueList == 1)
			ASN__TEXT_INDENT(1, ilevel + 1);
		tmper = elm->type->xer_encoder(elm->type, memb_ptr,
				ilevel + (specs->as_XMLValueList != 2),
				flags, cb, app_key);
		if(tmper.encoded == -1) {
			td = tmper.failed_type;
			sptr = tmper.structure_ptr;
			goto cb_failed;
		}
		if(tmper.encoded == 0 && specs->as_XMLValueList) {
			const char *name = elm->type->xml_tag;
			size_t len = strlen(name);
			ASN__CALLBACK3("<", 1, name, len, "/>", 2);
		}

		if(mname) {
			ASN__CALLBACK3("</", 2, mname, mlen, ">", 1);
			er.encoded += 5;
		}

		er.encoded += (2 * mlen) + tmper.encoded;
	}

	if(!xcan) ASN__TEXT_INDENT(1, ilevel - 1);

	if(encs) {
		xer_tmp_enc_t *enc = encs;
		xer_tmp_enc_t *end = encs + encs_count;
		ssize_t control_size = 0;

		cb = original_cb;
		app_key = original_app_key;
		qsort(encs, encs_count, sizeof(encs[0]), SET_OF_xer_order);

		for(; enc < end; enc++) {
			ASN__CALLBACK(enc->buffer, enc->offset);
			FREEMEM(enc->buffer);
			enc->buffer = 0;
			control_size += enc->offset;
		}
		assert(control_size == er.encoded);
	}

	goto cleanup;
cb_failed:
	er.encoded = -1;
	er.failed_type = td;
	er.structure_ptr = sptr;
cleanup:
	if(encs) {
		while(encs_count-- > 0) {
			if(encs[encs_count].buffer)
				FREEMEM(encs[encs_count].buffer);
		}
		FREEMEM(encs);
	}
	ASN__ENCODED_OK(er);
}