зеркало из https://github.com/microsoft/git.git
113 строки
2.4 KiB
C
113 строки
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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/* 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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#define DELIM " \t\r\n"
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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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setup_git_directory();
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/* init oidmap */
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oidmap_init(&map, 0);
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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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/* 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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p1 = strtok(NULL, DELIM);
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if (p1)
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p2 = strtok(NULL, DELIM);
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if (!strcmp("put", cmd) && p1 && p2) {
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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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/* 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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/* add / replace entry */
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entry = oidmap_put(&map, entry);
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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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} else if (!strcmp("get", cmd) && p1) {
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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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/* lookup entry in oidmap */
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entry = oidmap_get(&map, &oid);
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/* print result */
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puts(entry ? entry->name : "NULL");
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} else if (!strcmp("remove", cmd) && p1) {
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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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/* remove entry from oidmap */
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entry = oidmap_remove(&map, &oid);
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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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} else if (!strcmp("iterate", cmd)) {
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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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} else {
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printf("Unknown command %s\n", cmd);
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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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