vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 3 | #include <string.h> |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 4 | #include <errno.h> |
| 5 | #include <assert.h> |
| 6 | |
| 7 | #include "asn1parser.h" |
| 8 | |
| 9 | asn1p_constraint_t * |
| 10 | asn1p_constraint_new(int _lineno) { |
| 11 | asn1p_constraint_t *ct; |
| 12 | |
| 13 | ct = calloc(1, sizeof(*ct)); |
| 14 | if(ct) { |
| 15 | ct->_lineno = _lineno; |
| 16 | } |
| 17 | |
| 18 | return ct; |
| 19 | } |
| 20 | |
| 21 | |
| 22 | void |
| 23 | asn1p_constraint_free(asn1p_constraint_t *ct) { |
| 24 | if(ct) { |
| 25 | |
vlm | a6a12e3 | 2005-03-20 12:58:00 +0000 | [diff] [blame] | 26 | if(ct->containedSubtype) |
| 27 | asn1p_value_free(ct->containedSubtype); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 28 | if(ct->value) |
| 29 | asn1p_value_free(ct->value); |
| 30 | if(ct->range_start) |
| 31 | asn1p_value_free(ct->range_start); |
| 32 | if(ct->range_stop) |
| 33 | asn1p_value_free(ct->range_stop); |
| 34 | |
| 35 | if(ct->elements) { |
| 36 | while(ct->el_count--) { |
| 37 | asn1p_constraint_free( |
| 38 | ct->elements[ct->el_count]); |
| 39 | } |
| 40 | free(ct->elements); |
| 41 | } |
| 42 | |
| 43 | free(ct); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | asn1p_constraint_t * |
| 48 | asn1p_constraint_clone(asn1p_constraint_t *src) { |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 49 | return asn1p_constraint_clone_with_resolver(src, 0, 0); |
| 50 | } |
| 51 | |
| 52 | asn1p_constraint_t * |
| 53 | asn1p_constraint_clone_with_resolver(asn1p_constraint_t *src, |
| 54 | asn1p_value_t *(*vr)(asn1p_value_t *, void *varg), void *varg) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 55 | asn1p_constraint_t *clone; |
| 56 | |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 57 | #define CLONE(field, func) do { if(src->field) { \ |
| 58 | clone->field = func(src->field, vr, varg); \ |
| 59 | if(clone->field == NULL) { \ |
| 60 | asn1p_constraint_free(clone); \ |
| 61 | return NULL; \ |
| 62 | } \ |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 63 | } } while(0) |
| 64 | |
| 65 | clone = asn1p_constraint_new(src->_lineno); |
| 66 | if(clone) { |
vlm | 36a76d6 | 2004-09-05 10:40:28 +0000 | [diff] [blame] | 67 | unsigned int i; |
vlm | 3b4ff46 | 2004-08-13 12:35:29 +0000 | [diff] [blame] | 68 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 69 | clone->type = src->type; |
vlm | 3b4ff46 | 2004-08-13 12:35:29 +0000 | [diff] [blame] | 70 | clone->presence = src->presence; |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 71 | CLONE(containedSubtype, asn1p_value_clone_with_resolver); |
| 72 | CLONE(value, asn1p_value_clone_with_resolver); |
| 73 | CLONE(range_start, asn1p_value_clone_with_resolver); |
| 74 | CLONE(range_stop, asn1p_value_clone_with_resolver); |
vlm | 3b4ff46 | 2004-08-13 12:35:29 +0000 | [diff] [blame] | 75 | |
| 76 | for(i = 0; i < src->el_count; i++) { |
| 77 | asn1p_constraint_t *t; |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 78 | t = asn1p_constraint_clone_with_resolver(src->elements[i], vr, varg); |
vlm | 3b4ff46 | 2004-08-13 12:35:29 +0000 | [diff] [blame] | 79 | if(!t) { |
| 80 | asn1p_constraint_free(clone); |
| 81 | return NULL; |
| 82 | } |
| 83 | if(asn1p_constraint_insert(clone, t)) { |
| 84 | asn1p_constraint_free(clone); |
| 85 | asn1p_constraint_free(t); |
| 86 | return NULL; |
| 87 | } |
| 88 | } |
| 89 | assert(clone->el_count == src->el_count); |
| 90 | clone->_lineno = src->_lineno; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | return clone; |
| 94 | } |
| 95 | |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 96 | /* |
| 97 | * Make sure there's enough space to add an element. |
| 98 | */ |
| 99 | static int |
| 100 | asn1p_constraint_make_memory(asn1p_constraint_t *ct) { |
| 101 | if(ct->el_count == ct->el_size) { |
| 102 | unsigned int newsize = ct->el_size ? ct->el_size << 2 : 4; |
| 103 | void *p; |
| 104 | p = realloc(ct->elements, newsize * sizeof(ct->elements[0])); |
| 105 | if(p) { |
| 106 | ct->elements = p; |
| 107 | ct->el_size = newsize; |
| 108 | } else { |
| 109 | return -1; |
| 110 | } |
| 111 | } |
| 112 | return 0; |
| 113 | } |
| 114 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 115 | int |
| 116 | asn1p_constraint_insert(asn1p_constraint_t *into, asn1p_constraint_t *what) { |
| 117 | assert(into); |
| 118 | assert(what); |
| 119 | |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 120 | if(asn1p_constraint_make_memory(into)) |
| 121 | return -1; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 122 | |
| 123 | into->elements[into->el_count++] = what; |
| 124 | |
| 125 | return 0; |
| 126 | } |
vlm | 9283dbe | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 127 | |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 128 | int |
| 129 | asn1p_constraint_prepend(asn1p_constraint_t *before, asn1p_constraint_t *what) { |
| 130 | assert(before); |
| 131 | assert(what); |
| 132 | |
| 133 | if(asn1p_constraint_make_memory(before)) |
| 134 | return -1; |
| 135 | |
| 136 | memmove(&before->elements[1], &before->elements[0], |
| 137 | before->el_count * sizeof(before->elements[0])); |
| 138 | |
| 139 | before->elements[0] = what; |
| 140 | before->el_count++; |
| 141 | |
| 142 | return 0; |
| 143 | } |
| 144 | |
vlm | 9283dbe | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 145 | |
| 146 | char * |
| 147 | asn1p_constraint_type2str(enum asn1p_constraint_type_e type) { |
| 148 | switch(type) { |
| 149 | case ACT_INVALID: |
| 150 | return "INVALID"; |
vlm | a6a12e3 | 2005-03-20 12:58:00 +0000 | [diff] [blame] | 151 | case ACT_EL_TYPE: |
| 152 | return "ContainedSubtype"; |
vlm | 9283dbe | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 153 | case ACT_EL_VALUE: |
| 154 | return "SingleValue"; |
| 155 | case ACT_EL_RANGE: |
| 156 | case ACT_EL_LLRANGE: |
| 157 | case ACT_EL_RLRANGE: |
| 158 | case ACT_EL_ULRANGE: |
| 159 | return "ValueRange"; |
| 160 | case ACT_EL_EXT: |
| 161 | return "..."; |
| 162 | case ACT_CT_SIZE: |
| 163 | return "SizeConstraint"; |
| 164 | case ACT_CT_FROM: |
| 165 | return "PermittedAlphabet"; |
| 166 | case ACT_CT_WCOMP: |
| 167 | return "SingleTypeConstraint"; |
| 168 | case ACT_CT_WCOMPS: |
| 169 | return "MultipleTypeConstraints"; |
vlm | 6611add | 2005-03-20 14:28:32 +0000 | [diff] [blame] | 170 | case ACT_CT_CTDBY: |
| 171 | return "UserDefinedConstraint"; |
vlm | 9283dbe | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 172 | case ACT_CA_SET: |
| 173 | return "SET"; |
| 174 | case ACT_CA_CRC: |
| 175 | return "ComponentRelationConstraint"; |
| 176 | case ACT_CA_CSV: |
| 177 | return "CSV"; |
| 178 | case ACT_CA_UNI: |
| 179 | return "UNION"; |
| 180 | case ACT_CA_INT: |
| 181 | return "INTERSECTION"; |
| 182 | case ACT_CA_EXC: |
| 183 | return "EXCEPT"; |
vlm | 700d29f | 2005-03-24 14:29:35 +0000 | [diff] [blame] | 184 | case ACT_CA_AEX: |
| 185 | return "ALL EXCEPT"; |
vlm | 9283dbe | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 186 | } |
| 187 | return "UNKNOWN"; |
| 188 | } |