mirror of https://gerrit.osmocom.org/asn1c
159 lines
3.1 KiB
C
159 lines
3.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include "asn1parser.h"
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asn1p_constraint_t *
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asn1p_constraint_new(int _lineno) {
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asn1p_constraint_t *ct;
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ct = calloc(1, sizeof(*ct));
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if(ct) {
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ct->_lineno = _lineno;
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}
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return ct;
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}
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void
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asn1p_constraint_free(asn1p_constraint_t *ct) {
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if(ct) {
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if(ct->containedSubtype)
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asn1p_value_free(ct->containedSubtype);
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if(ct->value)
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asn1p_value_free(ct->value);
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if(ct->range_start)
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asn1p_value_free(ct->range_start);
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if(ct->range_stop)
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asn1p_value_free(ct->range_stop);
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if(ct->elements) {
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while(ct->el_count--) {
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asn1p_constraint_free(
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ct->elements[ct->el_count]);
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}
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free(ct->elements);
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}
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free(ct);
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}
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}
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asn1p_constraint_t *
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asn1p_constraint_clone(asn1p_constraint_t *src) {
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asn1p_constraint_t *clone;
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#define CLONE(field, func) do { if(src->field) { \
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clone->field = func(src->field); \
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if(clone->field == NULL) { \
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asn1p_constraint_free(clone); \
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return NULL; \
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} \
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} } while(0)
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clone = asn1p_constraint_new(src->_lineno);
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if(clone) {
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unsigned int i;
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clone->type = src->type;
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clone->presence = src->presence;
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CLONE(containedSubtype, asn1p_value_clone);
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CLONE(value, asn1p_value_clone);
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CLONE(range_start, asn1p_value_clone);
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CLONE(range_stop, asn1p_value_clone);
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for(i = 0; i < src->el_count; i++) {
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asn1p_constraint_t *t;
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t = asn1p_constraint_clone(src->elements[i]);
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if(!t) {
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asn1p_constraint_free(clone);
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return NULL;
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}
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if(asn1p_constraint_insert(clone, t)) {
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asn1p_constraint_free(clone);
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asn1p_constraint_free(t);
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return NULL;
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}
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}
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assert(clone->el_count == src->el_count);
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clone->_lineno = src->_lineno;
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}
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return clone;
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}
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int
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asn1p_constraint_insert(asn1p_constraint_t *into, asn1p_constraint_t *what) {
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assert(into);
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assert(what);
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/*
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* Make sure there's enough space to add an element.
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*/
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if(into->el_count == into->el_size) {
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unsigned int newsize = into->el_size?into->el_size<<2:4;
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void *p;
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p = realloc(into->elements,
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newsize * sizeof(into->elements[0]));
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if(p) {
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into->elements = p;
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into->el_size = newsize;
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} else {
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return -1;
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}
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}
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into->elements[into->el_count++] = what;
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return 0;
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}
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char *
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asn1p_constraint_type2str(enum asn1p_constraint_type_e type) {
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switch(type) {
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case ACT_INVALID:
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return "INVALID";
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case ACT_EL_TYPE:
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return "ContainedSubtype";
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case ACT_EL_VALUE:
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return "SingleValue";
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case ACT_EL_RANGE:
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case ACT_EL_LLRANGE:
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case ACT_EL_RLRANGE:
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case ACT_EL_ULRANGE:
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return "ValueRange";
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case ACT_EL_EXT:
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return "...";
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case ACT_CT_SIZE:
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return "SizeConstraint";
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case ACT_CT_FROM:
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return "PermittedAlphabet";
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case ACT_CT_WCOMP:
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return "SingleTypeConstraint";
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case ACT_CT_WCOMPS:
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return "MultipleTypeConstraints";
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case ACT_CT_CTDBY:
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return "UserDefinedConstraint";
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case ACT_CA_SET:
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return "SET";
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case ACT_CA_CRC:
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return "ComponentRelationConstraint";
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case ACT_CA_CSV:
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return "CSV";
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case ACT_CA_UNI:
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return "UNION";
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case ACT_CA_INT:
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return "INTERSECTION";
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case ACT_CA_EXC:
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return "EXCEPT";
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case ACT_CA_AEX:
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return "ALL EXCEPT";
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}
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return "UNKNOWN";
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}
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