mirror of https://gerrit.osmocom.org/asn1c
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
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* A generic value of different syntaxes.
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*/
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#ifndef ASN1_PARSER_VALUE_H
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#define ASN1_PARSER_VALUE_H
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struct asn1p_constraint_s; /* Forward declaration */
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struct asn1p_expr_s;
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/*
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* A wrapper around various kinds of values.
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*/
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typedef struct asn1p_value_s {
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/*
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* The value of the element.
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*/
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enum {
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ATV_NOVALUE,
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ATV_TYPE, /* A type (as in CONTAINING Type) */
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ATV_NULL, /* A "NULL" value of type NULL. */
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ATV_REAL, /* A constant floating-point value */
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ATV_INTEGER, /* An integer constant */
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ATV_MAX,
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ATV_MIN,
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ATV_TRUE,
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ATV_FALSE,
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ATV_TUPLE, /* { 1, 15 } */
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ATV_QUADRUPLE, /* { 0, 14, 0, 255 } */
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ATV_STRING, /* "abcdef" */
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ATV_UNPARSED,
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ATV_BITVECTOR,
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ATV_VALUESET, /* { 1 | 2 | 3 } */
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ATV_REFERENCED, /* Reference to a value defined elsewhere */
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ATV_CHOICE_IDENTIFIER, /* ChoiceIdentifier value */
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} type; /* Value type and location */
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union {
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struct asn1p_constraint_s *constraint; /* ValueSet */
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struct asn1p_expr_s *v_type; /* Type */
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asn1p_ref_t *reference;
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asn1c_integer_t v_integer;
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double v_double;
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/*
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* Binary bits vector.
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*/
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struct {
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uint8_t *buf;
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int size;
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} string;
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struct {
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uint8_t *bits;
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int size_in_bits;
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} binary_vector;
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struct {
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char *identifier;
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struct asn1p_value_s *value;
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} choice_identifier;
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} value;
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} asn1p_value_t;
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/*
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* Destructor and constructors for value.
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* If ref, bits or buffer are omitted, the corresponding function returns
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* (asn1p_value_t *)0 with errno = EINVAL.
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* Allocated value (where applicable) is guaranteed to be NUL-terminated.
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*/
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void asn1p_value_free(asn1p_value_t *);
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asn1p_value_t *asn1p_value_fromref(asn1p_ref_t *ref, int do_copy);
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asn1p_value_t *asn1p_value_fromconstr(struct asn1p_constraint_s *ct, int dc);
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asn1p_value_t *asn1p_value_frombits(uint8_t *bits, int size_in_bits, int dc);
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asn1p_value_t *asn1p_value_frombuf(char *buffer, int size, int do_copy);
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asn1p_value_t *asn1p_value_fromdouble(double);
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asn1p_value_t *asn1p_value_fromint(asn1c_integer_t);
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asn1p_value_t *asn1p_value_fromtype(struct asn1p_expr_s *);
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asn1p_value_t *asn1p_value_clone(asn1p_value_t *);
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asn1p_value_t *asn1p_value_clone_with_resolver(asn1p_value_t *,
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asn1p_value_t *(*resolver)(asn1p_value_t *, void *rarg),
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void *rarg);
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#endif /* ASN1_PARSER_VALUE_H */
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