Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 1 | #include "asn1c_internal.h" |
| 2 | #include "asn1c_fdeps.h" |
| 3 | |
Lev Walkin | a4f8e94 | 2017-10-08 19:28:20 -0700 | [diff] [blame] | 4 | #ifndef PATH_MAX |
| 5 | #define PATH_MAX 1024 |
| 6 | #endif |
| 7 | |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 8 | static asn1c_fdeps_t *asn1c_new_dep(const char *filename); |
| 9 | static int asn1c_dep_add(asn1c_fdeps_t *deps, asn1c_fdeps_t *d); |
| 10 | |
| 11 | int |
| 12 | asn1c_activate_dependency(asn1c_fdeps_t *deps, asn1c_fdeps_t *cur, const char *data) { |
Lev Walkin | a4f8e94 | 2017-10-08 19:28:20 -0700 | [diff] [blame] | 13 | char fname_scratch[PATH_MAX]; |
Lev Walkin | afa35b4 | 2005-06-15 18:12:48 +0000 | [diff] [blame] | 14 | const char *fname; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 15 | int i; |
| 16 | |
| 17 | if(!deps || !data || !*data) |
| 18 | return 0; |
| 19 | if(!cur) cur = deps; |
| 20 | |
Lev Walkin | 0e89d10 | 2006-09-12 06:37:17 +0000 | [diff] [blame] | 21 | if(cur->usage > FDEP_NOTUSED) |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 22 | return 1; /* Already activated */ |
| 23 | |
Lev Walkin | afa35b4 | 2005-06-15 18:12:48 +0000 | [diff] [blame] | 24 | fname = data; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 25 | if(*data == '#') { |
| 26 | const char *start = data; |
| 27 | const char *end = 0; |
| 28 | |
| 29 | start = strchr(data, '<'); |
| 30 | if(start) { |
| 31 | start++; |
| 32 | end = strchr(start, '>'); |
Lev Walkin | 34944f2 | 2010-10-07 08:25:37 +0000 | [diff] [blame] | 33 | } else if((start = strchr(data, '\"'))) { |
| 34 | start++; |
| 35 | end = strchr(start, '\"'); |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 36 | } |
| 37 | if(end) { |
Lev Walkin | a4f8e94 | 2017-10-08 19:28:20 -0700 | [diff] [blame] | 38 | assert((end-start) + 1 < (ssize_t)sizeof(fname_scratch)); |
| 39 | memcpy(fname_scratch, start, end - start); |
| 40 | fname_scratch[end-start] = '\0'; |
| 41 | fname = fname_scratch; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 42 | } else { |
| 43 | return 0; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | if(cur->filename && strcmp(cur->filename, fname) == 0) { |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 48 | cur->usage = FDEP_REFERRED; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 49 | |
| 50 | /* Activate subdependencies */ |
| 51 | for(i = 0; i < cur->el_count; i++) { |
| 52 | asn1c_activate_dependency(deps, |
| 53 | cur->elements[i], |
| 54 | cur->elements[i]->filename); |
| 55 | } |
| 56 | |
| 57 | /* |
| 58 | * This might be a link to someplace else. |
| 59 | */ |
| 60 | return asn1c_activate_dependency(deps, NULL, fname); |
| 61 | } else { |
| 62 | for(i = 0; i < cur->el_count; i++) { |
| 63 | asn1c_activate_dependency(deps, |
| 64 | cur->elements[i], fname); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | asn1c_fdeps_t * |
| 72 | asn1c_read_file_dependencies(arg_t *arg, const char *datadir) { |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 73 | char buf[4096]; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 74 | asn1c_fdeps_t *deps; |
| 75 | asn1c_fdeps_t *cur; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 76 | FILE *f; |
Lev Walkin | 0e89d10 | 2006-09-12 06:37:17 +0000 | [diff] [blame] | 77 | enum fdep_usage special_section = FDEP_NOTUSED; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 78 | |
| 79 | (void)arg; |
| 80 | |
| 81 | if(!datadir || strlen(datadir) > sizeof(buf) / 2) { |
| 82 | errno = EINVAL; |
| 83 | return NULL; |
| 84 | } else { |
| 85 | sprintf(buf, "%s/file-dependencies", datadir); |
| 86 | } |
| 87 | |
| 88 | f = fopen(buf, "r"); |
| 89 | if(!f) return NULL; |
| 90 | |
| 91 | deps = asn1c_new_dep(0); |
| 92 | assert(deps); |
| 93 | |
| 94 | while(fgets(buf, sizeof(buf), f)) { |
| 95 | char *p = strchr(buf, '#'); |
| 96 | if(p) *p = '\0'; /* Remove comments */ |
| 97 | |
| 98 | cur = deps; |
| 99 | for(p = strtok(buf, " \t\r\n"); p; |
| 100 | p = strtok(NULL, " \t\r\n")) { |
| 101 | asn1c_fdeps_t *d; |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 102 | |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 103 | /* |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 104 | * Special "prefix" section. |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 105 | */ |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 106 | if(strchr(p, ':')) { |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 107 | special_section = FDEP_IGNORE; |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 108 | if(strcmp(p, "COMMON-FILES:") == 0) { |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 109 | special_section = FDEP_COMMON_FILES; |
| 110 | } else if(strcmp(p, "CONVERTER:") == 0) { |
| 111 | special_section = FDEP_CONVERTER; |
Lev Walkin | f573ebb | 2017-07-24 00:25:51 +0400 | [diff] [blame] | 112 | } else if((arg->flags & A1C_GEN_OER) |
| 113 | && strcmp(p, "CODEC-OER:") == 0) { |
| 114 | special_section = FDEP_CODEC_OER; |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 115 | } else if((arg->flags & A1C_GEN_PER) |
| 116 | && strcmp(p, "CODEC-PER:") == 0) { |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 117 | special_section = FDEP_CODEC_PER; |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 118 | } |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 119 | break; |
| 120 | } |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 121 | |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 122 | if(special_section == FDEP_IGNORE) |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 123 | continue; |
| 124 | |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 125 | d = asn1c_new_dep(p); |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 126 | d->usage = special_section; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 127 | |
| 128 | if(asn1c_dep_add(cur, d) == 1) |
| 129 | cur = d; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | fclose(f); |
| 134 | |
| 135 | return deps; |
| 136 | } |
| 137 | |
| 138 | static asn1c_fdeps_t * |
| 139 | asn1c_new_dep(const char *filename) { |
| 140 | asn1c_fdeps_t *d; |
| 141 | |
| 142 | d = calloc(1, sizeof(*d)); |
| 143 | if(filename) { |
| 144 | d->filename = strdup(filename); |
| 145 | if(!d->filename) return NULL; |
| 146 | } |
| 147 | |
| 148 | return d; |
| 149 | } |
| 150 | |
Bi-Ruei, Chiu | 6f34894 | 2016-11-08 15:41:23 +0800 | [diff] [blame] | 151 | static void |
| 152 | asn1c_free_dep(asn1c_fdeps_t *d) { |
| 153 | |
| 154 | if(d) { |
| 155 | if(d->filename) free(d->filename); |
| 156 | d->filename = 0; |
| 157 | free(d); |
| 158 | } |
| 159 | } |
| 160 | |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 161 | static int |
| 162 | asn1c_dep_add(asn1c_fdeps_t *deps, asn1c_fdeps_t *d) { |
| 163 | int n; |
| 164 | |
| 165 | /* Check for duplicates */ |
| 166 | for(n = 0; n < deps->el_count; n++) { |
| 167 | if(strcmp(deps->elements[n]->filename, d->filename) == 0) |
| 168 | return 0; |
| 169 | } |
| 170 | |
| 171 | if(deps->el_count == deps->el_size) { |
Lev Walkin | 3441a8b | 2004-08-19 13:45:27 +0000 | [diff] [blame] | 172 | void *p; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 173 | n = deps->el_size?deps->el_size << 2:16; |
Lev Walkin | 3441a8b | 2004-08-19 13:45:27 +0000 | [diff] [blame] | 174 | p = realloc(deps->elements, |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 175 | n * sizeof(deps->elements[0])); |
| 176 | assert(p); |
| 177 | deps->elements = p; |
| 178 | deps->el_size = n; |
| 179 | } |
| 180 | |
| 181 | deps->elements[deps->el_count++] = d; |
| 182 | return 1; |
| 183 | } |
| 184 | |
| 185 | asn1c_fdeps_t * |
Lev Walkin | 8a85b36 | 2017-09-26 22:54:44 -0700 | [diff] [blame] | 186 | asn1c_deps_flatten(const asn1c_fdeps_t *deps) { |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 187 | asn1c_fdeps_t *dlist; |
| 188 | asn1c_fdeps_t *d; |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 189 | |
| 190 | if(!deps) { |
| 191 | errno = EINVAL; |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | dlist = asn1c_new_dep(0); |
| 196 | |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 197 | if(deps->filename && deps->usage != FDEP_NOTUSED) { |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 198 | d = asn1c_new_dep(deps->filename); |
Lev Walkin | f218e78 | 2006-09-12 06:21:18 +0000 | [diff] [blame] | 199 | d->usage = deps->usage; |
Bi-Ruei, Chiu | 6f34894 | 2016-11-08 15:41:23 +0800 | [diff] [blame] | 200 | if(!asn1c_dep_add(dlist, d)) { |
| 201 | asn1c_free_dep(d); |
| 202 | } |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Lev Walkin | 8a85b36 | 2017-09-26 22:54:44 -0700 | [diff] [blame] | 205 | for(int i = 0; i < deps->el_count; i++) { |
| 206 | d = asn1c_deps_flatten(deps->elements[i]); |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 207 | assert(!d->filename); |
Lev Walkin | 8a85b36 | 2017-09-26 22:54:44 -0700 | [diff] [blame] | 208 | for(int j = 0; j < d->el_count; j++) { |
Bi-Ruei, Chiu | 6f34894 | 2016-11-08 15:41:23 +0800 | [diff] [blame] | 209 | if(asn1c_dep_add(dlist, d->elements[j])) { |
| 210 | d->elements[j] = 0; |
| 211 | } |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 212 | } |
Bi-Ruei, Chiu | 6f34894 | 2016-11-08 15:41:23 +0800 | [diff] [blame] | 213 | asn1c_deps_freelist(d); |
Lev Walkin | acd9f8b | 2004-08-19 13:29:03 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | return dlist; |
| 217 | } |
| 218 | |
Bi-Ruei, Chiu | 6f34894 | 2016-11-08 15:41:23 +0800 | [diff] [blame] | 219 | void |
| 220 | asn1c_deps_freelist(asn1c_fdeps_t *deps) { |
| 221 | if(deps) { |
| 222 | int i; |
| 223 | if(deps->elements) { |
| 224 | for(i = 0; i < deps->el_count; i++) { |
| 225 | asn1c_deps_freelist(deps->elements[i]); |
| 226 | deps->elements[i] = 0; |
| 227 | } |
| 228 | free(deps->elements); |
| 229 | deps->elements = 0; |
| 230 | } |
| 231 | asn1c_free_dep(deps); |
| 232 | } |
| 233 | } |