#include <fnmatch.h>
#include "para.h"
#include "error.h"
+#include "string.h"
#include "afh.h"
#include "afs.h"
#include "list.h"
-#include "string.h"
/**
* Contains statistical data of the currently admissible audio files.
/**
* Assign scores according to a mood_method.
*
- * Each mood_method has its own mood_score_function. The first parameter passed
- * to that function is a pointer to a row of the audio file table. It
- * determines the audio file for which a score is to be assigned. The second
- * argument depends on the mood method this function is used for. It usually is
- * the argument given at the end of a mood line.
+ * Each mood_method has its own mood_score_function. The first three parameters
+ * passed to that function are informations about the audio file whose score is
+ * to be computed. The data argument depends on the mood method this function
+ * is used for. It usually is the argument given at the end of a mood line.
*
* Mood score functions must return values between -100 and +100 inclusively.
* Boolean score functions should always return either -100 or +100.
*
* \sa struct mood_method, mood_parser.
*/
-typedef int mood_score_function(const struct osl_row*, void *);
+typedef int mood_score_function(const char *path, const struct afs_info *afsi,
+ const struct audio_format_info *afhi, const void *data);
/**
* Pre-process a mood line.
return res;
}
-static int mm_played_rarely_score_function(const struct osl_row *row,
- __a_unused void *ignored)
+static int mm_no_attributes_set_parser(const char *arg, __a_unused void **ignored)
+{
+ if (arg && *arg)
+ PARA_WARNING_LOG("ignored junk at eol: %s\n", arg);
+ return 1;
+}
+
+static int mm_no_attributes_set_score_function(__a_unused const char *path,
+ const struct afs_info *afsi,
+ __a_unused const struct audio_format_info *afhi,
+ __a_unused const void *data)
+{
+ if (!afsi->attributes)
+ return 100;
+ return -100;
+}
+
+static int mm_played_rarely_score_function(__a_unused const char *path,
+ const struct afs_info *afsi,
+ __a_unused const struct audio_format_info *afhi,
+ __a_unused const void *data)
{
- struct afs_info afsi;
unsigned num;
- int ret = get_afsi_of_row(row, &afsi);
+ int ret = get_num_admissible_files(&num);
if (ret < 0)
return 0;
- ret = get_num_admissible_files(&num);
- if (ret < 0)
- return 0;
- if (statistics.num_played_sum - num * afsi.num_played
+ if (statistics.num_played_sum - num * afsi->num_played
> int_sqrt(statistics.num_played_qd * num))
return 100;
return -100;
static int mm_played_rarely_parser(const char *arg, __a_unused void **ignored)
{
- if (*arg)
+ if (arg && *arg)
PARA_WARNING_LOG("ignored junk at eol: %s\n", arg);
return 1;
}
-static int mm_name_like_score_function(const struct osl_row *row, void *data)
+static int mm_name_like_score_function(const char *path,
+ __a_unused const struct afs_info *afsi,
+ __a_unused const struct audio_format_info *afhi,
+ const void *data)
{
- char *path;
- int ret = get_audio_file_path_of_row(row, &path);
-
- if (ret < 0)
- return 0;
- ret = fnmatch(data, path, 0);
- return ret? -100 : 100;
+ if (fnmatch(data, path, 0))
+ return -100;
+ return 100;
}
static int mm_name_like_parser(const char *arg, void **data)
return ret;
}
-static int mm_is_set_score_function(const struct osl_row *row, void *bitnum)
+static int mm_is_set_score_function(__a_unused const char *path,
+ __a_unused const struct afs_info *afsi,
+ __a_unused const struct audio_format_info *afhi,
+ const void *data)
{
- unsigned char *bn = bitnum;
- struct afs_info afsi;
- int ret = get_afsi_of_row(row, &afsi);
-
- if (ret < 0)
- return 0;
- if (afsi.attributes & (1ULL << *bn))
+ const unsigned char *bn = data;
+ if (afsi->attributes & (1ULL << *bn))
return 100;
return -100;
}
-/* returns 1 if row matches score item, -1 otherwise */
+/* returns 1 if row matches score item, negative otherwise */
static int add_item_score(const struct osl_row *row, struct mood_item *item, long *score,
long *score_arg_sum)
{
- int ret = 100;
+ struct afs_info afsi;
+ struct audio_format_info afhi;
+ char *path;
+ int ret;
*score_arg_sum += item->random_score? 100 : PARA_ABS(item->score_arg);
+ ret = 100;
if (item->method) {
- ret = item->method->score_function(row, item->parser_data);
+ ret = get_afsi_of_row(row, &afsi);
+ if (ret< 0)
+ return ret;
+ ret = get_afhi_of_row(row, &afhi);
+ if (ret< 0)
+ return ret;
+ ret = get_audio_file_path_of_row(row, &path);
+ if (ret< 0)
+ return ret;
+ ret = item->method->score_function(path, &afsi, &afhi,
+ item->parser_data);
if ((ret < 0 && !item->logical_not) || (ret >= 0 && item->logical_not))
return -1; /* no match */
}
list_for_each_entry(item, &m->accept_list, mood_item_node)
if (add_item_score(aft_row, item, &score, &score_arg_sum) > 0)
match = 1;
- if (list_empty(&m->accept_list))
- PARA_NOTICE_LOG("accrpt list empty\n");
/* reject if there is no matching entry in the accept list */
if (!match && !list_empty(&m->accept_list))
return -E_NOT_ADMISSIBLE;
return 1;
}
+#define DEFINE_MOOD_METHOD(_name) \
+.parser = mm_ ## _name ## _parser, \
+.score_function = mm_ ## _name ## _score_function, \
+.name = #_name
+
+#define DEFINE_MOOD_METHOD_WITH_CLEANUP(_name) \
+ DEFINE_MOOD_METHOD(_name), \
+ .cleanup = mm_ ## _name ## _cleanup
+
static const struct mood_method mood_methods[] = {
-{
- .parser = mm_played_rarely_parser,
- .score_function = mm_played_rarely_score_function,
- .name = "played_rarely"
-},
-{
- .parser = mm_is_set_parser,
- .score_function = mm_is_set_score_function,
- .name = "is_set"
-},
-{
- .parser = mm_name_like_parser,
- .score_function = mm_name_like_score_function,
- .cleanup = mm_name_like_cleanup,
- .name = "name_like"
-},
-{
- .parser = NULL
-}
+ {DEFINE_MOOD_METHOD(no_attributes_set)},
+ {DEFINE_MOOD_METHOD(played_rarely)},
+ {DEFINE_MOOD_METHOD(is_set)},
+ {DEFINE_MOOD_METHOD_WITH_CLEANUP(name_like)},
+ {.parser = NULL}
};
static void cleanup_list_entry(struct mood_item *item)
*
* \return Positive on success, negative on errors.
*
- * \sa score_delete(), mood_update_audio_file().
+ * \sa score_delete().
*/
-int mood_delete_audio_file(const struct osl_row *aft_row)
+static int mood_delete_audio_file(const struct osl_row *aft_row)
{
int ret;
- ret = row_belongs_to_score_table(aft_row);
+ ret = row_belongs_to_score_table(aft_row, NULL);
if (ret < 0)
return ret;
if (!ret) /* not admissible, nothing to do */
*
* \return Positive on success, negative on errors.
*/
-int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi)
+static int mood_update_audio_file(const struct osl_row *aft_row,
+ struct afs_info *old_afsi)
{
long score, percent;
int ret, is_admissible, was_admissible = 0;
struct afs_info afsi;
+ unsigned rank;
if (!current_mood)
return 1; /* nothing to do */
- ret = row_belongs_to_score_table(aft_row);
+ ret = row_belongs_to_score_table(aft_row, &rank);
if (ret < 0)
return ret;
was_admissible = ret;
percent = 100;
else if (percent < 0)
percent = 0;
- PARA_DEBUG_LOG("re-inserting at %lu%%\n", percent);
+ PARA_DEBUG_LOG("moving from rank %u to %lu%%\n", rank, percent);
return score_update(aft_row, percent);
}
* Free all resources of the current mood which were allocated during
* mood_open().
*/
-void close_current_mood(void)
+static void close_current_mood(void)
{
destroy_mood(current_mood);
current_mood = NULL;
int ret;
char *mood_name;
+ PARA_NOTICE_LOG("reloading current mood\n");
if (!current_mood)
return 1;
- score_shutdown(0);
mood_name = para_strdup(current_mood->name);
close_current_mood();
+ ret = clear_score_table();
+ if (ret < 0)
+ return ret;
ret = change_current_mood(mood_name);
free(mood_name);
return ret;
}
+
+int moods_event_handler(enum afs_events event, struct para_buffer *pb,
+ void *data)
+{
+ switch(event) {
+ /*
+ * The three blob events might change the set of admissible files,
+ * so we must reload the score list.
+ */
+ case BLOB_RENAME:
+ case BLOB_REMOVE:
+ case BLOB_ADD:
+ if (data == moods_table || data == playlists_table)
+ return 1; /* no reload necessary for these */
+ return reload_current_mood();
+ /* these also require reload of the score table */
+ case ATTRIBUTE_ADD:
+ case ATTRIBUTE_REMOVE:
+ case ATTRIBUTE_RENAME:
+ return reload_current_mood();
+ /* changes to the aft only require to re-examine the audio file */
+ case AFSI_CHANGE: {
+ struct afsi_change_event_data *aced = data;
+ return mood_update_audio_file(aced->aft_row, aced->old_afsi);
+ }
+ case AFHI_CHANGE:
+ case AUDIO_FILE_RENAME:
+ case AUDIO_FILE_ADD:
+ return mood_update_audio_file(data, NULL);
+ case AUDIO_FILE_REMOVE:
+ return mood_delete_audio_file(data);
+ default:
+ return 1;
+ }
+ return 1;
+}
+