Initial revision
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@2 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/skeletons/constr_SET.h b/skeletons/constr_SET.h
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+++ b/skeletons/constr_SET.h
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+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _CONSTR_SET_H_
+#define _CONSTR_SET_H_
+
+#include <constr_TYPE.h>
+
+/*
+ * Description of a single element of the SET type.
+ */
+typedef struct asn1_SET_element_s {
+ int memb_offset; /* Offset of the element */
+ int optional; /* Whether the element is optional */
+ ber_tlv_tag_t tag; /* Outmost (most immediate) tag */
+ int tag_mode; /* IMPLICIT/no/EXPLICIT tag at current level */
+ asn1_TYPE_descriptor_t
+ *type; /* Member type descriptor */
+ char *name; /* ASN.1 identifier of the element */
+} asn1_SET_element_t;
+
+/*
+ * Map between the outmost tag of the element and the corresponding
+ * element's index.
+ */
+typedef struct asn1_SET_tag2member_s {
+ ber_tlv_tag_t el_tag; /* Outmost tag of the member */
+ int el_no; /* Index of the associated member, base 0 */
+} asn1_SET_tag2member_t;
+
+typedef struct asn1_SET_specifics_s {
+ /*
+ * Target structure description.
+ */
+ int struct_size; /* Size of the target structure. */
+ int ctx_offset; /* Offset of the ber_dec_ctx_t member */
+ int pres_offset; /* Offset of _presence_map member */
+
+ /*
+ * Members of the SET structure.
+ */
+ asn1_SET_element_t *elements;
+ int elements_count;
+
+ /*
+ * Tags to members mapping table (sorted).
+ */
+ asn1_SET_tag2member_t *tag2el;
+ int tag2el_count;
+
+ /*
+ * Extensions-related stuff.
+ */
+ int extensible; /* Whether SET is extensible */
+ unsigned int *_mandatory_elements; /* Bitmask of mandatory ones */
+} asn1_SET_specifics_t;
+
+/*
+ * A set specialized functions dealing with the SET type.
+ */
+asn_constr_check_f SET_constraint;
+ber_type_decoder_f SET_decode_ber;
+der_type_encoder_f SET_encode_der;
+asn_struct_print_f SET_print;
+asn_struct_free_f SET_free;
+
+/***********************
+ * Some handy helpers. *
+ ***********************/
+
+/*
+ * Figure out whether the SET member indicated by PR_x has already been decoded.
+ * It is very simple bitfield test, despite its visual complexity.
+ */
+#define ASN_SET_ISPRESENT(set_ptr, PR_x) \
+ ASN_SET_ISPRESENT2(&((set_ptr)->_presence_map))
+#define ASN_SET_ISPRESENT2(map_ptr, PR_x) \
+ (((unsigned int *)(map_ptr)) \
+ [(PR_x) / (8 * sizeof(unsigned int))] \
+ & (1 << ((8 * sizeof(unsigned int)) - 1 \
+ - ((PR_x) % (8 * sizeof(unsigned int))))))
+
+#define ASN_SET_MKPRESENT(map_ptr, PR_x) \
+ (((unsigned int *)(map_ptr)) \
+ [(PR_x) / (8 * sizeof(unsigned int))] \
+ |= (1 << ((8 * sizeof(unsigned int)) - 1 \
+ - ((PR_x) % (8 * sizeof(unsigned int))))))
+
+#endif /* _CONSTR_SET_H_ */