112 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "test-tool.h"
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| #include "cache.h"
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| #include "oidmap.h"
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| #include "strbuf.h"
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| 
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| /* key is an oid and value is a name (could be a refname for example) */
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| struct test_entry {
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| 	struct oidmap_entry entry;
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| 	char name[FLEX_ARRAY];
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| };
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| 
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| #define DELIM " \t\r\n"
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| 
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| /*
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|  * Read stdin line by line and print result of commands to stdout:
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|  *
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|  * hash oidkey -> sha1hash(oidkey)
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|  * put oidkey namevalue -> NULL / old namevalue
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|  * get oidkey -> NULL / namevalue
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|  * remove oidkey -> NULL / old namevalue
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|  * iterate -> oidkey1 namevalue1\noidkey2 namevalue2\n...
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|  *
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|  */
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| int cmd__oidmap(int argc, const char **argv)
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| {
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| 	struct strbuf line = STRBUF_INIT;
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| 	struct oidmap map = OIDMAP_INIT;
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| 
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| 	setup_git_directory();
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| 
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| 	/* init oidmap */
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| 	oidmap_init(&map, 0);
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| 
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| 	/* process commands from stdin */
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| 	while (strbuf_getline(&line, stdin) != EOF) {
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| 		char *cmd, *p1 = NULL, *p2 = NULL;
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| 		struct test_entry *entry;
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| 		struct object_id oid;
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| 
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| 		/* break line into command and up to two parameters */
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| 		cmd = strtok(line.buf, DELIM);
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| 		/* ignore empty lines */
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| 		if (!cmd || *cmd == '#')
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| 			continue;
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| 
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| 		p1 = strtok(NULL, DELIM);
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| 		if (p1)
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| 			p2 = strtok(NULL, DELIM);
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| 
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| 		if (!strcmp("put", cmd) && p1 && p2) {
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| 
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| 			if (get_oid(p1, &oid)) {
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| 				printf("Unknown oid: %s\n", p1);
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| 				continue;
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| 			}
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| 
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| 			/* create entry with oid_key = p1, name_value = p2 */
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| 			FLEX_ALLOC_STR(entry, name, p2);
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| 			oidcpy(&entry->entry.oid, &oid);
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| 
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| 			/* add / replace entry */
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| 			entry = oidmap_put(&map, entry);
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| 
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| 			/* print and free replaced entry, if any */
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| 			puts(entry ? entry->name : "NULL");
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| 			free(entry);
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| 
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| 		} else if (!strcmp("get", cmd) && p1) {
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| 
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| 			if (get_oid(p1, &oid)) {
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| 				printf("Unknown oid: %s\n", p1);
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| 				continue;
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| 			}
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| 
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| 			/* lookup entry in oidmap */
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| 			entry = oidmap_get(&map, &oid);
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| 
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| 			/* print result */
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| 			puts(entry ? entry->name : "NULL");
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| 
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| 		} else if (!strcmp("remove", cmd) && p1) {
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| 
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| 			if (get_oid(p1, &oid)) {
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| 				printf("Unknown oid: %s\n", p1);
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| 				continue;
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| 			}
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| 
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| 			/* remove entry from oidmap */
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| 			entry = oidmap_remove(&map, &oid);
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| 
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| 			/* print result and free entry*/
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| 			puts(entry ? entry->name : "NULL");
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| 			free(entry);
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| 
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| 		} else if (!strcmp("iterate", cmd)) {
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| 
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| 			struct oidmap_iter iter;
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| 			oidmap_iter_init(&map, &iter);
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| 			while ((entry = oidmap_iter_next(&iter)))
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| 				printf("%s %s\n", oid_to_hex(&entry->entry.oid), entry->name);
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| 
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| 		} else {
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| 
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| 			printf("Unknown command %s\n", cmd);
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| 
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| 		}
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| 	}
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| 
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| 	strbuf_release(&line);
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| 	oidmap_free(&map, 1);
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| 	return 0;
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| }
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