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rework my previous commit (FS#8008) to be able to work for any of the strings in the id3 info struct, new ones need to be added to tagtree.c and tagnavi.config

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*currently available tags are* #title# #artist# #album# #genre# #composer# #albumartist# and #directory# 


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15358 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2007-10-29 14:10:24 +00:00
parent c985903084
commit 75eff7af5e
3 changed files with 57 additions and 24 deletions
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10
apps/tagcache.h
View file

@ -110,10 +110,12 @@ struct tagcache_stat {
};
enum source_type {source_constant, source_input,
source_current_artist, source_current_album};
#define SOURCE_CURRENT_ARTIST "#artist#"
#define SOURCE_CURRENT_ALBUM "#album#"
source_current_path, /* has different handling to _id3
so it has to be seperate */
source_current_id3 /* dont add items after this.
it is used as an index
into id3_to_search_mapping */
};
struct tagcache_search_clause
{

1
apps/tagnavi.config
View file

@ -143,6 +143,7 @@
%menu_start "same" "Same as current"
"Artist" -> album ? artist = "#artist#" -> title = "fmt_title"
"Album" -> title = "fmt_title" ? album = "#album#"
"Directory" -> filename ? filename ~ "#directory#"
# Define the runtime sub menu
%menu_start "runtime" "Play history"

54
apps/tagtree.c
View file

@ -53,7 +53,17 @@ static int tagtree_play_folder(struct tree_context* c);
#define SEARCHSTR_SIZE 128
static char searchstring[SEARCHSTR_SIZE];
static const struct id3_to_search_mapping {
char *string;
size_t id3_offset;
} id3_to_search_mapping[] = {
{ "#title#", offsetof(struct mp3entry, title) },
{ "#artist#", offsetof(struct mp3entry, artist) },
{ "#album#", offsetof(struct mp3entry, album) },
{ "#genre#", offsetof(struct mp3entry, genre_string) },
{ "#composer#", offsetof(struct mp3entry, composer) },
{ "#albumartist#", offsetof(struct mp3entry, albumartist) },
};
enum variables {
var_sorttype = 100,
var_limit,
@ -296,12 +306,25 @@ static bool read_clause(struct tagcache_search_clause *clause)
if (*(clause->str) == '\0')
clause->source = source_input;
else if (!strcasecmp(clause->str, SOURCE_CURRENT_ALBUM))
clause->source = source_current_album;
else if (!strcasecmp(clause->str, SOURCE_CURRENT_ARTIST))
clause->source = source_current_artist;
else if (!strcasecmp(clause->str, "#directory#"))
clause->source = source_current_path;
else
{
unsigned int i;
bool found = false;
for (i=0; !found && i<ARRAYLEN(id3_to_search_mapping); i++)
{
if (!strcasecmp(clause->str, id3_to_search_mapping[i].string))
{
found = true;
break;
}
}
if (found)
clause->source = source_current_id3+i;
else
clause->source = source_constant;
}
if (tagcache_is_numeric_tag(clause->tag))
{
@ -1404,19 +1427,26 @@ int tagtree_enter(struct tree_context* c)
id3 = audio_current_track();
if ((source == source_current_artist) &&
(id3) && (id3->artist))
if (source == source_current_path && id3)
{
strncpy(searchstring, id3->artist, SEARCHSTR_SIZE);
searchstring[SEARCHSTR_SIZE-1] = '\0';
char *e;
strncpy(searchstring, id3->path, SEARCHSTR_SIZE);
e = strrchr(searchstring, '/');
if (e)
*e = '\0';
}
if ((source == source_current_album) &&
(id3) && (id3->album))
if (source >= source_current_id3 && id3)
{
strncpy(searchstring, id3->album, SEARCHSTR_SIZE);
int i = source-source_current_id3;
int offset = id3_to_search_mapping[i].id3_offset;
char **src = (char**)((char*)id3 + offset);
if (*src)
{
strncpy(searchstring, *src, SEARCHSTR_SIZE);
searchstring[SEARCHSTR_SIZE-1] = '\0';
}
}
if((source == source_input) || (*searchstring=='\0'))
{