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Enable conditional clauses for string tags in disk mode also.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9559 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2006-04-08 08:03:51 +00:00
parent 0be0b43466
commit 53e921c4c3
2 changed files with 38 additions and 2 deletions
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39
apps/tagcache.c
View File

@ -489,14 +489,23 @@ static bool build_lookup_list(struct tagcache_search *tcs)
/* Check for conditions. */
for (i = 0; i < tcs->clause_count; i++)
{
struct tagfile_entry tfe;
int seek = entry.tag_seek[tcs->clause[i]->tag];
char str[64];
memset(str, 0, sizeof str);
if (!tagcache_is_numeric_tag(tcs->clause[i]->tag))
{
/* FIXME: Not yet implemented. */
// str = &hdr->tags[tcs->clause[i].tag][seek];
int fd = tcs->idxfd[tcs->clause[i]->tag];
lseek(fd, seek, SEEK_SET);
read(fd, &tfe, sizeof(struct tagfile_entry));
if (tfe.tag_length >= (int)sizeof(str))
{
logf("Too long tag read!");
break ;
}
read(fd, str, tfe.tag_length);
}
if (!check_against_clause(seek, str, tcs->clause[i]))
@ -531,6 +540,7 @@ bool tagcache_search(struct tagcache_search *tcs, int tag)
{
struct tagcache_header h;
char buf[MAX_PATH];
int i;
if (tcs->valid)
tagcache_search_finish(tcs);
@ -545,6 +555,9 @@ bool tagcache_search(struct tagcache_search *tcs, int tag)
tcs->valid = true;
tcs->masterfd = -1;
for (i = 0; i < TAG_COUNT; i++)
tcs->idxfd[i] = -1;
#ifndef HAVE_TC_RAMCACHE
tcs->ramsearch = false;
#else
@ -567,6 +580,8 @@ bool tagcache_search(struct tagcache_search *tcs, int tag)
return false;
}
tcs->idxfd[tcs->type] = tcs->fd;
/* Check the header. */
if (read(tcs->fd, &h, sizeof(struct tagcache_header)) !=
sizeof(struct tagcache_header) || h.magic != TAGCACHE_MAGIC)
@ -617,6 +632,14 @@ bool tagcache_search_add_clause(struct tagcache_search *tcs,
logf("Too many clauses");
return false;
}
if (!tagcache_is_numeric_tag(clause->tag) && tcs->idxfd[clause->tag] < 0)
{
char buf[MAX_PATH];
snprintf(buf, sizeof buf, TAGCACHE_FILE_INDEX, clause->tag);
tcs->idxfd[clause->tag] = open(buf, O_RDONLY);
}
tcs->clause[tcs->clause_count] = clause;
tcs->clause_count++;
@ -753,10 +776,13 @@ void tagcache_modify(struct tagcache_search *tcs, int type, const char *text)
void tagcache_search_finish(struct tagcache_search *tcs)
{
int i;
if (tcs->fd >= 0)
{
close(tcs->fd);
tcs->fd = -1;
tcs->idxfd[tcs->type] = -1;
}
if (tcs->masterfd >= 0)
@ -764,6 +790,15 @@ void tagcache_search_finish(struct tagcache_search *tcs)
close(tcs->masterfd);
tcs->masterfd = -1;
}
for (i = 0; i < TAG_COUNT; i++)
{
if (tcs->idxfd[i] >= 0)
{
close(tcs->idxfd[i]);
tcs->idxfd[i] = -1;
}
}
tcs->ramsearch = false;
tcs->valid = false;

1
apps/tagcache.h
View File

@ -58,6 +58,7 @@ struct tagcache_search_clause
struct tagcache_search {
/* For internal use only. */
int fd, masterfd;
int idxfd[TAG_COUNT];
long seek_list[SEEK_LIST_SIZE];
long filter_tag[TAGCACHE_MAX_FILTERS];
long filter_seek[TAGCACHE_MAX_FILTERS];