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