vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 5 | #include <asn_internal.h> |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | #include <constr_SEQUENCE_OF.h> |
| 7 | #include <asn_SEQUENCE_OF.h> |
| 8 | |
| 9 | /* |
| 10 | * The DER encoder of the SEQUENCE OF type. |
| 11 | */ |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 12 | asn_enc_rval_t |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 13 | SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 14 | int tag_mode, ber_tlv_tag_t tag, |
| 15 | asn_app_consume_bytes_f *cb, void *app_key) { |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 16 | asn_TYPE_member_t *elm = td->elements; |
vlm | 41dee12 | 2005-07-02 08:19:17 +0000 | [diff] [blame] | 17 | asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 18 | size_t computed_size = 0; |
| 19 | ssize_t encoding_size = 0; |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 20 | asn_enc_rval_t erval; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 21 | int edx; |
| 22 | |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 23 | ASN_DEBUG("Estimating size of SEQUENCE OF %s", td->name); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 24 | |
| 25 | /* |
| 26 | * Gather the length of the underlying members sequence. |
| 27 | */ |
| 28 | for(edx = 0; edx < list->count; edx++) { |
| 29 | void *memb_ptr = list->array[edx]; |
vlm | 5a6fc65 | 2005-08-16 17:00:21 +0000 | [diff] [blame] | 30 | if(!memb_ptr) continue; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 31 | erval = elm->type->der_encoder(elm->type, memb_ptr, |
| 32 | 0, elm->tag, |
| 33 | 0, 0); |
| 34 | if(erval.encoded == -1) |
| 35 | return erval; |
| 36 | computed_size += erval.encoded; |
| 37 | } |
| 38 | |
| 39 | /* |
| 40 | * Encode the TLV for the sequence itself. |
| 41 | */ |
vlm | 6678cb1 | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 42 | encoding_size = der_write_tags(td, computed_size, tag_mode, 1, tag, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 43 | cb, app_key); |
| 44 | if(encoding_size == -1) { |
| 45 | erval.encoded = -1; |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 46 | erval.failed_type = td; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 47 | erval.structure_ptr = ptr; |
| 48 | return erval; |
| 49 | } |
| 50 | |
| 51 | computed_size += encoding_size; |
| 52 | if(!cb) { |
| 53 | erval.encoded = computed_size; |
vlm | 337167e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 54 | _ASN_ENCODED_OK(erval); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 55 | } |
| 56 | |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 57 | ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 58 | |
| 59 | /* |
| 60 | * Encode all members. |
| 61 | */ |
| 62 | for(edx = 0; edx < list->count; edx++) { |
| 63 | void *memb_ptr = list->array[edx]; |
vlm | 5a6fc65 | 2005-08-16 17:00:21 +0000 | [diff] [blame] | 64 | if(!memb_ptr) continue; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 65 | erval = elm->type->der_encoder(elm->type, memb_ptr, |
| 66 | 0, elm->tag, |
| 67 | cb, app_key); |
| 68 | if(erval.encoded == -1) |
| 69 | return erval; |
| 70 | encoding_size += erval.encoded; |
| 71 | } |
| 72 | |
vlm | b42843a | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 73 | if(computed_size != (size_t)encoding_size) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 74 | /* |
| 75 | * Encoded size is not equal to the computed size. |
| 76 | */ |
| 77 | erval.encoded = -1; |
vlm | e413c12 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 78 | erval.failed_type = td; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 79 | erval.structure_ptr = ptr; |
| 80 | } else { |
| 81 | erval.encoded = computed_size; |
vlm | 6d44a54 | 2005-11-08 03:06:16 +0000 | [diff] [blame] | 82 | erval.structure_ptr = 0; |
| 83 | erval.failed_type = 0; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | return erval; |
| 87 | } |
| 88 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 89 | asn_enc_rval_t |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 90 | SEQUENCE_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 91 | int ilevel, enum xer_encoder_flags_e flags, |
| 92 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 93 | asn_enc_rval_t er; |
vlm | ef6355b | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 94 | asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics; |
vlm | 5a6fc65 | 2005-08-16 17:00:21 +0000 | [diff] [blame] | 95 | asn_TYPE_member_t *elm = td->elements; |
vlm | 41dee12 | 2005-07-02 08:19:17 +0000 | [diff] [blame] | 96 | asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr); |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 97 | const char *mname = specs->as_XMLValueList |
vlm | 5a6fc65 | 2005-08-16 17:00:21 +0000 | [diff] [blame] | 98 | ? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag); |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 99 | unsigned int mlen = mname ? strlen(mname) : 0; |
| 100 | int xcan = (flags & XER_F_CANONICAL); |
| 101 | int i; |
| 102 | |
| 103 | if(!sptr) _ASN_ENCODE_FAILED; |
| 104 | |
| 105 | er.encoded = 0; |
| 106 | |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 107 | for(i = 0; i < list->count; i++) { |
| 108 | asn_enc_rval_t tmper; |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 109 | void *memb_ptr = list->array[i]; |
| 110 | if(!memb_ptr) continue; |
| 111 | |
| 112 | if(mname) { |
| 113 | if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel); |
| 114 | _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1); |
| 115 | } |
| 116 | |
vlm | 5a6fc65 | 2005-08-16 17:00:21 +0000 | [diff] [blame] | 117 | tmper = elm->type->xer_encoder(elm->type, memb_ptr, |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 118 | ilevel + 1, flags, cb, app_key); |
| 119 | if(tmper.encoded == -1) return tmper; |
vlm | aa930cb | 2005-02-24 22:37:07 +0000 | [diff] [blame] | 120 | if(tmper.encoded == 0 && specs->as_XMLValueList) { |
vlm | 6d44a54 | 2005-11-08 03:06:16 +0000 | [diff] [blame] | 121 | const char *name = elm->type->xml_tag; |
vlm | aa930cb | 2005-02-24 22:37:07 +0000 | [diff] [blame] | 122 | size_t len = strlen(name); |
| 123 | if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel + 1); |
| 124 | _ASN_CALLBACK3("<", 1, name, len, "/>", 2); |
| 125 | } |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 126 | |
| 127 | if(mname) { |
| 128 | _ASN_CALLBACK3("</", 2, mname, mlen, ">", 1); |
| 129 | er.encoded += 5; |
| 130 | } |
| 131 | |
| 132 | er.encoded += (2 * mlen) + tmper.encoded; |
| 133 | } |
| 134 | |
| 135 | if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1); |
| 136 | |
vlm | 337167e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 137 | _ASN_ENCODED_OK(er); |
vlm | 84d551b | 2004-10-03 09:13:02 +0000 | [diff] [blame] | 138 | cb_failed: |
| 139 | _ASN_ENCODE_FAILED; |
vlm | 39ba4c4 | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 140 | } |
| 141 | |