1#include <yaml.h> 2 3#include <stdlib.h> 4#include <stdio.h> 5#include <string.h> 6 7#ifdef NDEBUG 8#undef NDEBUG 9#endif 10#include <assert.h> 11 12#define BUFFER_SIZE 65536 13#define MAX_DOCUMENTS 16 14 15int copy_document(yaml_document_t *document_to, yaml_document_t *document_from) 16{ 17 yaml_node_t *node; 18 yaml_node_item_t *item; 19 yaml_node_pair_t *pair; 20 21 if (!yaml_document_initialize(document_to, document_from->version_directive, 22 document_from->tag_directives.start, 23 document_from->tag_directives.end, 24 document_from->start_implicit, document_from->end_implicit)) 25 return 0; 26 27 for (node = document_from->nodes.start; 28 node < document_from->nodes.top; node ++) { 29 switch (node->type) { 30 case YAML_SCALAR_NODE: 31 if (!yaml_document_add_scalar(document_to, node->tag, 32 node->data.scalar.value, node->data.scalar.length, 33 node->data.scalar.style)) goto error; 34 break; 35 case YAML_SEQUENCE_NODE: 36 if (!yaml_document_add_sequence(document_to, node->tag, 37 node->data.sequence.style)) goto error; 38 break; 39 case YAML_MAPPING_NODE: 40 if (!yaml_document_add_mapping(document_to, node->tag, 41 node->data.mapping.style)) goto error; 42 break; 43 default: 44 assert(0); 45 break; 46 } 47 } 48 49 for (node = document_from->nodes.start; 50 node < document_from->nodes.top; node ++) { 51 switch (node->type) { 52 case YAML_SEQUENCE_NODE: 53 for (item = node->data.sequence.items.start; 54 item < node->data.sequence.items.top; item ++) { 55 if (!yaml_document_append_sequence_item(document_to, 56 node - document_from->nodes.start + 1, 57 *item)) goto error; 58 } 59 break; 60 case YAML_MAPPING_NODE: 61 for (pair = node->data.mapping.pairs.start; 62 pair < node->data.mapping.pairs.top; pair ++) { 63 if (!yaml_document_append_mapping_pair(document_to, 64 node - document_from->nodes.start + 1, 65 pair->key, pair->value)) goto error; 66 } 67 break; 68 default: 69 break; 70 } 71 } 72 return 1; 73 74error: 75 yaml_document_delete(document_to); 76 return 0; 77} 78 79int compare_nodes(yaml_document_t *document1, int index1, 80 yaml_document_t *document2, int index2) 81{ 82 yaml_node_t *node1 = yaml_document_get_node(document1, index1); 83 yaml_node_t *node2 = yaml_document_get_node(document2, index2); 84 int k; 85 86 assert(node1); 87 assert(node2); 88 89 if (node1->type != node2->type) 90 return 0; 91 92 if (strcmp((char *)node1->tag, (char *)node2->tag) != 0) return 0; 93 94 switch (node1->type) { 95 case YAML_SCALAR_NODE: 96 if (node1->data.scalar.length != node2->data.scalar.length) 97 return 0; 98 if (strncmp((char *)node1->data.scalar.value, (char *)node2->data.scalar.value, 99 node1->data.scalar.length) != 0) return 0; 100 break; 101 case YAML_SEQUENCE_NODE: 102 if ((node1->data.sequence.items.top - node1->data.sequence.items.start) != 103 (node2->data.sequence.items.top - node2->data.sequence.items.start)) 104 return 0; 105 for (k = 0; k < (node1->data.sequence.items.top - node1->data.sequence.items.start); k ++) { 106 if (!compare_nodes(document1, node1->data.sequence.items.start[k], 107 document2, node2->data.sequence.items.start[k])) return 0; 108 } 109 break; 110 case YAML_MAPPING_NODE: 111 if ((node1->data.mapping.pairs.top - node1->data.mapping.pairs.start) != 112 (node2->data.mapping.pairs.top - node2->data.mapping.pairs.start)) 113 return 0; 114 for (k = 0; k < (node1->data.mapping.pairs.top - node1->data.mapping.pairs.start); k ++) { 115 if (!compare_nodes(document1, node1->data.mapping.pairs.start[k].key, 116 document2, node2->data.mapping.pairs.start[k].key)) return 0; 117 if (!compare_nodes(document1, node1->data.mapping.pairs.start[k].value, 118 document2, node2->data.mapping.pairs.start[k].value)) return 0; 119 } 120 break; 121 default: 122 assert(0); 123 break; 124 } 125 return 1; 126} 127 128int compare_documents(yaml_document_t *document1, yaml_document_t *document2) 129{ 130 int k; 131 132 if ((document1->version_directive && !document2->version_directive) 133 || (!document1->version_directive && document2->version_directive) 134 || (document1->version_directive && document2->version_directive 135 && (document1->version_directive->major != document2->version_directive->major 136 || document1->version_directive->minor != document2->version_directive->minor))) 137 return 0; 138 139 if ((document1->tag_directives.end - document1->tag_directives.start) != 140 (document2->tag_directives.end - document2->tag_directives.start)) 141 return 0; 142 for (k = 0; k < (document1->tag_directives.end - document1->tag_directives.start); k ++) { 143 if ((strcmp((char *)document1->tag_directives.start[k].handle, 144 (char *)document2->tag_directives.start[k].handle) != 0) 145 || (strcmp((char *)document1->tag_directives.start[k].prefix, 146 (char *)document2->tag_directives.start[k].prefix) != 0)) 147 return 0; 148 } 149 150 if ((document1->nodes.top - document1->nodes.start) != 151 (document2->nodes.top - document2->nodes.start)) 152 return 0; 153 154 if (document1->nodes.top != document1->nodes.start) { 155 if (!compare_nodes(document1, 1, document2, 1)) 156 return 0; 157 } 158 159 return 1; 160} 161 162int print_output(char *name, unsigned char *buffer, size_t size, int count) 163{ 164 FILE *file; 165 char data[BUFFER_SIZE]; 166 size_t data_size = 1; 167 size_t total_size = 0; 168 if (count >= 0) { 169 printf("FAILED (at the document #%d)\nSOURCE:\n", count+1); 170 } 171 file = fopen(name, "rb"); 172 assert(file); 173 while (data_size > 0) { 174 data_size = fread(data, 1, BUFFER_SIZE, file); 175 assert(!ferror(file)); 176 if (!data_size) break; 177 assert(fwrite(data, 1, data_size, stdout) == data_size); 178 total_size += data_size; 179 if (feof(file)) break; 180 } 181 fclose(file); 182 printf("#### (length: %d)\n", total_size); 183 printf("OUTPUT:\n%s#### (length: %d)\n", buffer, size); 184 return 0; 185} 186 187int 188main(int argc, char *argv[]) 189{ 190 int number; 191 int canonical = 0; 192 int unicode = 0; 193 194 number = 1; 195 while (number < argc) { 196 if (strcmp(argv[number], "-c") == 0) { 197 canonical = 1; 198 } 199 else if (strcmp(argv[number], "-u") == 0) { 200 unicode = 1; 201 } 202 else if (argv[number][0] == '-') { 203 printf("Unknown option: '%s'\n", argv[number]); 204 return 0; 205 } 206 if (argv[number][0] == '-') { 207 if (number < argc-1) { 208 memmove(argv+number, argv+number+1, (argc-number-1)*sizeof(char *)); 209 } 210 argc --; 211 } 212 else { 213 number ++; 214 } 215 } 216 217 if (argc < 2) { 218 printf("Usage: %s [-c] [-u] file1.yaml ...\n", argv[0]); 219 return 0; 220 } 221 222 for (number = 1; number < argc; number ++) 223 { 224 FILE *file; 225 yaml_parser_t parser; 226 yaml_emitter_t emitter; 227 228 yaml_document_t document; 229 unsigned char buffer[BUFFER_SIZE]; 230 size_t written = 0; 231 yaml_document_t documents[MAX_DOCUMENTS]; 232 size_t document_number = 0; 233 int done = 0; 234 int count = 0; 235 int error = 0; 236 int k; 237 memset(buffer, 0, BUFFER_SIZE); 238 memset(documents, 0, MAX_DOCUMENTS*sizeof(yaml_document_t)); 239 240 printf("[%d] Loading, dumping, and loading again '%s': ", number, argv[number]); 241 fflush(stdout); 242 243 file = fopen(argv[number], "rb"); 244 assert(file); 245 246 assert(yaml_parser_initialize(&parser)); 247 yaml_parser_set_input_file(&parser, file); 248 assert(yaml_emitter_initialize(&emitter)); 249 if (canonical) { 250 yaml_emitter_set_canonical(&emitter, 1); 251 } 252 if (unicode) { 253 yaml_emitter_set_unicode(&emitter, 1); 254 } 255 yaml_emitter_set_output_string(&emitter, buffer, BUFFER_SIZE, &written); 256 yaml_emitter_open(&emitter); 257 258 while (!done) 259 { 260 if (!yaml_parser_load(&parser, &document)) { 261 error = 1; 262 break; 263 } 264 265 done = (!yaml_document_get_root_node(&document)); 266 if (!done) { 267 assert(document_number < MAX_DOCUMENTS); 268 assert(copy_document(&(documents[document_number++]), &document)); 269 assert(yaml_emitter_dump(&emitter, &document) || 270 (yaml_emitter_flush(&emitter) && print_output(argv[number], buffer, written, count))); 271 count ++; 272 } 273 else { 274 yaml_document_delete(&document); 275 } 276 } 277 278 yaml_parser_delete(&parser); 279 assert(!fclose(file)); 280 yaml_emitter_close(&emitter); 281 yaml_emitter_delete(&emitter); 282 283 if (!error) 284 { 285 count = done = 0; 286 assert(yaml_parser_initialize(&parser)); 287 yaml_parser_set_input_string(&parser, buffer, written); 288 289 while (!done) 290 { 291 assert(yaml_parser_load(&parser, &document) || print_output(argv[number], buffer, written, count)); 292 done = (!yaml_document_get_root_node(&document)); 293 if (!done) { 294 assert(compare_documents(documents+count, &document) || print_output(argv[number], buffer, written, count)); 295 count ++; 296 } 297 yaml_document_delete(&document); 298 } 299 yaml_parser_delete(&parser); 300 } 301 302 for (k = 0; k < document_number; k ++) { 303 yaml_document_delete(documents+k); 304 } 305 306 printf("PASSED (length: %d)\n", written); 307 print_output(argv[number], buffer, written, -1); 308 } 309 310 return 0; 311} 312