mood.c: Introduce DEFINE_MOOD_METHOD and DEFINE_MOOD_METHOD_WITH_CLEANUP.
[paraslash.git] / mood.c
diff --git a/mood.c b/mood.c
index 56ee1c4..fdf8cdc 100644 (file)
--- a/mood.c
+++ b/mood.c
@@ -47,7 +47,8 @@ struct afs_statistics statistics;
  *
  * \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.
@@ -163,19 +164,36 @@ static uint64_t int_sqrt(uint64_t x)
        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 (!strcmp(path, "/home/mp3/checked/dvd_08/cd_52/Sade__Paradise.mp3"))
+               PARA_NOTICE_LOG("%s: %llu\n", path, afsi->attributes);
+       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;
@@ -183,20 +201,19 @@ static int mm_played_rarely_score_function(const struct osl_row *row,
 
 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)
@@ -222,28 +239,40 @@ static int mm_is_set_parser(const char *arg, void **bitnum)
        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 */
        }
@@ -270,8 +299,6 @@ static int compute_mood_score(const struct osl_row *aft_row, struct mood *m,
        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;
@@ -283,26 +310,21 @@ static int compute_mood_score(const struct osl_row *aft_row, struct mood *m,
        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)