/**
* gtags_delete: delete records belong to set of fid.
*
* @param[in] gtop #GTOP structure
* @param[in] deleteset bit array of fid
*/
void
gtags_delete(GTOP *gtop, IDSET *deleteset)
{
const char *tagline;
int fid;
long id;
#ifdef USE_SQLITE3
if (gtop->dbop->openflags & DBOP_SQLITE3) {
STRBUF *where = strbuf_open(0);
strbuf_puts(where, "(");
for (id = idset_first(deleteset); id != END_OF_ID; id = idset_next(deleteset)) {
strbuf_puts(where, "'");
strbuf_putn(where, id);
strbuf_puts(where, "',");
}
strbuf_unputc(where, ',');
strbuf_puts(where, ")");
dbop_delete(gtop->dbop, strbuf_value(where));
strbuf_close(where);
} else
#endif
for (tagline = dbop_first(gtop->dbop, NULL, NULL, 0); tagline; tagline = dbop_next(gtop->dbop)) {
/*
* Extract path from the tag line.
*/
fid = atoi(tagline);
/*
* If the file id exists in the deleteset, delete the tagline.
*/
if (idset_contains(deleteset, fid))
dbop_delete(gtop->dbop, NULL);
}
}
/**
* gtags_delete: delete records belong to set of fid.
*
* @param[in] gtop #GTOP structure
* @param[in] deleteset bit array of fid
*/
void
gtags_delete(GTOP *gtop, IDSET *deleteset)
{
const char *tagline;
int fid;
for (tagline = dbop_first(gtop->dbop, NULL, NULL, 0); tagline; tagline = dbop_next(gtop->dbop)) {
/*
* Extract path from the tag line.
*/
fid = atoi(tagline);
/*
* If the file id exists in the deleteset, delete the tagline.
*/
if (idset_contains(deleteset, fid))
dbop_delete(gtop->dbop, NULL);
}
}
int idset_sch_contains(struct idset *set, struct subchannel_id schid)
{
return idset_contains(set, schid.ssid, schid.sch_no);
}
/*
* incremental: incremental update
*
* i) dbpath dbpath directory
* i) root root directory of source tree
* r) 0: not updated, 1: updated
*/
int
incremental(const char *dbpath, const char *root)
{
STATISTICS_TIME *tim;
struct stat statp;
STRBUF *addlist = strbuf_open(0);
STRBUF *deletelist = strbuf_open(0);
STRBUF *addlist_other = strbuf_open(0);
IDSET *deleteset, *findset;
int updated = 0;
const char *path;
unsigned int id, limit;
tim = statistics_time_start("Time of inspecting %s and %s.", dbname(GTAGS), dbname(GRTAGS));
if (vflag) {
fprintf(stderr, " Tag found in '%s'.\n", dbpath);
fprintf(stderr, " Incremental updating.\n");
}
/*
* get modified time of GTAGS.
*/
path = makepath(dbpath, dbname(GTAGS), NULL);
if (gpath_open(dbpath, 0) < 0)
die("GPATH not found.");
/*
* deleteset:
* The list of the path name which should be deleted from GPATH.
* findset:
* The list of the path name which exists in the current project.
* A project is limited by the --file option.
*/
deleteset = idset_open(gpath_nextkey());
findset = idset_open(gpath_nextkey());
total = 0;
/*
* Make add list and delete list for update.
*/
if (single_update) {
int type;
const char *fid = gpath_path2fid(single_update, &type);
/*
* The --single-update=file supports only updating.
* If it is new file, this option is ignored, and the processing is
* automatically switched to the normal procedure.
*/
if (fid == NULL) {
if (vflag)
fprintf(stderr, " --single-update option ignored, because '%s' is new file.\n", single_update);
goto normal_update;
}
/*
* If type != GPATH_SOURCE then we have nothing to do, and you will see
* a message 'Global databases are up to date.'.
*/
if (type == GPATH_SOURCE) {
strbuf_puts0(addlist, single_update);
idset_add(deleteset, atoi(fid));
total++;
}
} else {
normal_update:
if (file_list)
find_open_filelist(file_list, root);
else
find_open(NULL);
while ((path = find_read()) != NULL) {
const char *fid;
int n_fid = 0;
int other = 0;
/* a blank at the head of path means 'NOT SOURCE'. */
if (*path == ' ') {
if (test("b", ++path))
continue;
other = 1;
}
if (stat(path, &statp) < 0)
die("stat failed '%s'.", path);
fid = gpath_path2fid(path, NULL);
if (fid) {
n_fid = atoi(fid);
idset_add(findset, n_fid);
}
if (other) {
if (fid == NULL)
strbuf_puts0(addlist_other, path);
} else {
if (fid == NULL) {
strbuf_puts0(addlist, path);
total++;
} else if (gpath_mtime(NULL, fid) < statp.st_mtime) {
if (uflag) {
printf("%s\n", path);
} else {
strbuf_puts0(addlist, path);
total++;
idset_add(deleteset, n_fid);
}
}
}
}
find_close();
/*
* make delete list.
*/
if (remove_lost) {
limit = gpath_nextkey();
} else {
limit = 0;
}
for (id = 1; id < limit; id++) {
char fid[MAXFIDLEN];
int type;
snprintf(fid, sizeof(fid), "%d", id);
/*
* This is a hole of GPATH. The hole increases if the deletion
* and the addition are repeated.
*/
if ((path = gpath_fid2path(fid, &type)) == NULL)
continue;
/*
* The file which does not exist in the findset is treated
* assuming that it does not exist in the file system.
*/
if (type == GPATH_OTHER) {
if (!idset_contains(findset, id) || !test("f", path) || test("b", path))
strbuf_puts0(deletelist, path);
} else {
if (!idset_contains(findset, id) || !test("f", path)) {
strbuf_puts0(deletelist, path);
idset_add(deleteset, id);
}
}
}
}
gpath_close();
statistics_time_end(tim);
/*
* execute updating.
*/
if ((!idset_empty(deleteset) || strbuf_getlen(addlist) > 0) ||
(strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0))
{
int db;
updated = 1;
tim = statistics_time_start("Time of updating %s and %s.", dbname(GTAGS), dbname(GRTAGS));
if (!idset_empty(deleteset) || strbuf_getlen(addlist) > 0)
updatetags(dbpath, root, deleteset, addlist);
if (strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0) {
const char *start, *end, *p;
if (vflag)
fprintf(stderr, "[%s] Updating '%s'.\n", now(), dbname(GPATH));
gpath_open(dbpath, 2);
if (strbuf_getlen(deletelist) > 0) {
start = strbuf_value(deletelist);
end = start + strbuf_getlen(deletelist);
for (p = start; p < end; p += strlen(p) + 1)
gpath_delete(p);
}
if (strbuf_getlen(addlist_other) > 0) {
start = strbuf_value(addlist_other);
end = start + strbuf_getlen(addlist_other);
for (p = start; p < end; p += strlen(p) + 1)
gpath_put(p, GPATH_OTHER);
}
gpath_close();
}
/*
* Update modification time of tag files
* because they may have no definitions.
*/
for (db = GTAGS; db < GTAGLIM; db++)
utime(makepath(dbpath, dbname(db), NULL), NULL);
statistics_time_end(tim);
}
if (vflag) {
if (updated)
fprintf(stderr, " Global databases have been modified.\n");
else
fprintf(stderr, " Global databases are up to date.\n");
fprintf(stderr, "[%s] Done.\n", now());
}
strbuf_close(addlist);
strbuf_close(deletelist);
strbuf_close(addlist_other);
idset_close(deleteset);
idset_close(findset);
return updated;
}
