Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include "asn1c_internal.h" |
| 2 | #include <asn1fix_export.h> |
| 3 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 4 | /* |
| 5 | * Construct identifier from multiple parts. |
| 6 | * Convert unsafe characters to underscores. |
| 7 | */ |
| 8 | char * |
| 9 | asn1c_make_identifier(int unsafe_only_spaces, char *arg1, ...) { |
| 10 | static char *storage; |
| 11 | static int storage_size; |
| 12 | int nodelimiter = 0; |
| 13 | va_list ap; |
| 14 | char *str; |
| 15 | int size; |
| 16 | char *p; |
| 17 | |
| 18 | if(arg1 == NULL) |
| 19 | return NULL; |
| 20 | |
| 21 | /* |
| 22 | * Estimate the necessary storage size |
| 23 | */ |
| 24 | size = strlen(arg1); |
| 25 | va_start(ap, arg1); |
| 26 | while((str = va_arg(ap, char *))) |
| 27 | size += 1 + strlen(str); |
| 28 | va_end(ap); |
| 29 | |
| 30 | /* |
| 31 | * Make sure we have this amount of storage. |
| 32 | */ |
| 33 | if(storage_size <= size) { |
| 34 | if(storage) free(storage); |
| 35 | storage = malloc(size + 1); |
| 36 | if(storage) { |
| 37 | storage_size = size; |
| 38 | } else { |
| 39 | storage_size = 0; |
| 40 | return NULL; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /* |
| 45 | * Fill-in the storage. |
| 46 | */ |
| 47 | va_start(ap, arg1); |
| 48 | str = arg1; |
| 49 | p = storage; |
| 50 | for(str = arg1; str; str = va_arg(ap, char *)) { |
| 51 | int subst_made = 0; |
| 52 | |
| 53 | if(str[0] == ' ' && str[1] == '\0') { |
| 54 | *p++ = ' '; |
| 55 | nodelimiter = 1; /* No delimiter */ |
| 56 | continue; |
| 57 | } |
| 58 | |
| 59 | if(str != arg1 && !nodelimiter) |
| 60 | *p++ = '_'; /* Delimiter between tokens */ |
| 61 | nodelimiter = 0; |
| 62 | |
| 63 | for(; *str; str++) { |
| 64 | if(isalnum(*str)) { |
| 65 | *p++ = *str; |
| 66 | subst_made = 0; |
| 67 | } else if(!subst_made++) { |
| 68 | if(unsafe_only_spaces && !isspace(*str)) { |
| 69 | *p ++ = *str; |
| 70 | } else { |
| 71 | *p++ = '_'; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | va_end(ap); |
| 77 | *p = '\0'; |
| 78 | |
| 79 | assert((p - storage) <= storage_size); |
| 80 | |
| 81 | return storage; |
| 82 | } |
| 83 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 84 | char * |
| 85 | asn1c_type_name(arg_t *arg, asn1p_expr_t *expr, enum tnfmt _format) { |
| 86 | char *typename; |
| 87 | |
| 88 | switch(expr->expr_type) { |
| 89 | case A1TC_REFERENCE: |
| 90 | typename = expr->reference->components[ |
| 91 | expr->reference->comp_count-1].name; |
| 92 | if(typename[0] == '&') { |
| 93 | arg_t tmp = *arg; |
| 94 | |
| 95 | /* |
| 96 | * This is a reference to a type defined in a class. |
| 97 | * Resolve it and use instead. |
| 98 | */ |
| 99 | tmp.expr = asn1f_class_access_ex(arg->asn, arg->mod, |
| 100 | arg->expr, expr->reference, &tmp.mod); |
| 101 | if(tmp.expr) return NULL; |
| 102 | |
| 103 | return asn1c_type_name(&tmp, tmp.expr, _format); |
| 104 | } else if(_format == TNF_RSAFE) { |
| 105 | /* |
| 106 | * The recursion-safe format is requested. |
| 107 | * The problem here is that only constructed types |
| 108 | * might be referenced with "struct". |
| 109 | * Change RSAFE to CTYPE if the terminal type |
| 110 | * is primitive. |
| 111 | */ |
| 112 | asn1p_expr_t *terminal; |
| 113 | terminal = asn1f_find_terminal_type_ex( |
| 114 | arg->asn, arg->mod, arg->expr, NULL); |
| 115 | if(terminal |
| 116 | && (terminal->expr_type |
| 117 | & (ASN_BASIC_MASK | ASN_STRING_MASK))) |
| 118 | _format = TNF_CTYPE; |
| 119 | } |
| 120 | break; |
| 121 | case ASN_CONSTR_SEQUENCE_OF: |
| 122 | case ASN_CONSTR_SET_OF: |
| 123 | if(expr->Identifier) { |
| 124 | typename = expr->Identifier; |
| 125 | } else { |
| 126 | asn1p_expr_t *child; |
| 127 | child = TQ_FIRST(&(expr->members)); |
| 128 | typename = asn1c_type_name(arg, child, _format); |
| 129 | if(typename) |
| 130 | return typename; |
| 131 | _format = TNF_SAFE; |
| 132 | typename = child->Identifier; |
| 133 | } |
| 134 | break; |
| 135 | case ASN_BASIC_INTEGER: |
| 136 | case ASN_BASIC_ENUMERATED: |
| 137 | if((arg->flags & A1C_USE_NATIVE_INTEGERS)) { |
| 138 | switch(_format) { |
| 139 | case TNF_CTYPE: |
| 140 | case TNF_RSAFE: |
| 141 | return "int"; |
| 142 | default: |
| 143 | if(expr->expr_type == ASN_BASIC_INTEGER) |
| 144 | return "NativeInteger"; |
| 145 | else |
| 146 | return "NativeEnumerated"; |
| 147 | } |
| 148 | } |
| 149 | /* Fall through */ |
| 150 | default: |
| 151 | if(expr->expr_type & (ASN_BASIC_MASK | ASN_STRING_MASK)) { |
| 152 | if(_format == TNF_RSAFE) |
| 153 | _format = TNF_CTYPE; |
| 154 | typename = ASN_EXPR_TYPE2STR(expr->expr_type); |
| 155 | } else { |
| 156 | _format = TNF_SAFE; |
| 157 | typename = expr->Identifier; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | switch(_format) { |
| 162 | case TNF_UNMODIFIED: |
| 163 | case TNF_INCLUDE: |
| 164 | return asn1c_make_identifier(1, typename, 0); |
| 165 | case TNF_SAFE: |
| 166 | return asn1c_make_identifier(0, typename, 0); |
| 167 | case TNF_CTYPE: |
| 168 | return asn1c_make_identifier(0, typename, "t", 0); |
| 169 | case TNF_RSAFE: |
| 170 | return asn1c_make_identifier(0, "struct", " ", typename, 0); |
| 171 | } |
| 172 | |
| 173 | assert("!unreachable"); |
| 174 | return typename; |
| 175 | } |
| 176 | |