X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=mood.c;h=fdf8cdce591e6a6de9359d79974c3e6108ffd3ba;hp=83c7fa65495e2759ecf9122d2bd4428daf15df04;hb=8e2e8dff8f30520c5ba33928992f112a053b920d;hpb=02baea145799b33cc82ffb227966e77182b5f790 diff --git a/mood.c b/mood.c index 83c7fa65..fdf8cdce 100644 --- a/mood.c +++ b/mood.c @@ -6,6 +6,7 @@ /** \file mood.c Paraslash's mood handling functions. */ +#include #include "para.h" #include "error.h" #include "afh.h" @@ -16,18 +17,18 @@ /** * Contains statistical data of the currently admissible audio files. * - * It is used to assign normalized score values to each admissbile audio file. + * It is used to assign normalized score values to each admissible audio file. */ struct afs_statistics { - /** sum of num played over all admissible files */ + /** Sum of num played over all admissible files. */ int64_t num_played_sum; - /** sum of last played times over all admissible files */ + /** Sum of last played times over all admissible files. */ int64_t last_played_sum; - /** quadratic deviation of num played time */ + /** Quadratic deviation of num played time. */ int64_t num_played_qd; - /** quadratic deviation of last played time */ + /** Quadratic deviation of last played time. */ int64_t last_played_qd; - /** number of admissible files */ + /** Number of admissible files */ unsigned num; }; struct afs_statistics statistics; @@ -41,15 +42,16 @@ struct afs_statistics statistics; * 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 inclisively. + * 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); /** - * Preprocess a mood line. + * Pre-process a mood line. * * The mood_parser of a mood_method is called once at mood open time for each * line of the current mood definition that contains the mood_method's name as @@ -57,7 +59,7 @@ typedef int mood_score_function(const struct osl_row*, void *); * mood_parser must determine whether the line is syntactically correct and * return a positive value if so and a negative value otherwise. * - * Some mood parsers preprocess the data given in the mood line to compute a + * Some mood parsers pre-process the data given in the mood line to compute a * structure which depends of the particular mood_method and which is used * later in the mood_score_function of the mood_method. The mood_parser may * store a pointer to its structure via the second argument. @@ -101,7 +103,7 @@ struct mood_item { /** The data structure computed by the mood parser. */ void *parser_data; /** The given score value, or zero if none was given. */ - long score_arg; + int32_t score_arg; /** Non-zero if random scoring was requested. */ int random_score; /** Whether the "not" keyword was given in the mood line. */ @@ -115,7 +117,7 @@ struct mood_item { * * When a mood is opened, each line of its definition is investigated, and a * corresponding mood item is produced. Each mood line starts with \p accept, - * \p deny, or \p score which determins the type of the mood line. For each + * \p deny, or \p score which determines the type of the mood line. For each * such type a linked list is maintained whose entries are the mood items. * * \sa mood_item, mood_open(). @@ -162,19 +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; @@ -182,39 +201,30 @@ 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 *preg) +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 = regexec((regex_t *)preg, path, 42, NULL, 0); - return (ret == REG_NOMATCH)? -100 : 100; + if (fnmatch(data, path, 0)) + return -100; + return 100; } -static int mm_name_like_parser(const char *arg, void **regex) +static int mm_name_like_parser(const char *arg, void **data) { - regex_t *preg = para_malloc(sizeof(*preg)); - int ret = regcomp(preg, arg, REG_NOSUB); - - if (ret) { - free(preg); - return -E_MOOD_REGEX; - } - *regex = preg; + *data = para_strdup(arg); return 1; } -static void mm_name_like_cleanup(void *preg) +static void mm_name_like_cleanup(void *data) { - regfree(preg); - free(preg); + free(data); } static int mm_is_set_parser(const char *arg, void **bitnum) @@ -229,28 +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 */ } @@ -288,26 +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) @@ -418,7 +435,7 @@ static int parse_mood_line(char *mood_line, void *data) goto out; if (strcmp(*w, "random")) { mi->random_score = 0; - ret = para_atol(*w, &mi->score_arg); + ret = para_atoi32(*w, &mi->score_arg); if (ret < 0) goto out; } else { @@ -760,7 +777,7 @@ static int add_if_admissible(struct osl_row *aft_row, void *data) * * \param n Number of elements. * \param old_qd The quadratic deviation before the change. - * \param old_val The value that was repaced. + * \param old_val The value that was replaced. * \param new_val The replacement value. * \param old_sum The sum of all elements before the update. * @@ -832,7 +849,7 @@ static int delete_from_statistics_and_score_table(const struct osl_row *aft_row) } /** - * Delete one entry from the statitics and from the score table. + * Delete one entry from the statistics and from the score table. * * \param aft_row The audio file which is no longer admissible. *