Add a .gitignore file.
[paraslash.git] / afs.h
1 #include <regex.h>
2 #include "osl.h"
3 #include "hash.h"
4
5 #define DATABASE_DIR "/home/maan/tmp/osl" /* FIXME */
6
7 struct afs_info {
8 uint64_t last_played;
9 uint64_t attributes;
10 uint32_t num_played;
11 uint32_t image_id;
12 uint32_t lyrics_id;
13 uint8_t audio_format_id;
14 };
15
16 enum afs_table_flags {TBLFLAG_SKIP_CREATE};
17
18 struct table_info {
19 const struct osl_table_description *desc;
20 struct osl_table *table;
21 enum afs_table_flags flags;
22 };
23
24 enum ls_sorting_method {
25 LS_SORT_BY_PATH, /* -sp (default) */
26 LS_SORT_BY_SCORE, /* -ss */
27 LS_SORT_BY_LAST_PLAYED, /* -sl */
28 LS_SORT_BY_NUM_PLAYED, /* -sn */
29 LS_SORT_BY_FREQUENCY, /* -sf */
30 LS_SORT_BY_CHANNELS, /* -sc */
31 LS_SORT_BY_IMAGE_ID, /* -si */
32 LS_SORT_BY_LYRICS_ID, /* -sy */
33 LS_SORT_BY_BITRATE, /* -sb */
34 LS_SORT_BY_DURATION, /* -sd */
35 LS_SORT_BY_AUDIO_FORMAT, /* -sa */
36 LS_SORT_BY_HASH, /* -sh */
37 };
38
39 enum ls_listing_mode {
40 LS_MODE_SHORT,
41 LS_MODE_LONG,
42 LS_MODE_VERBOSE,
43 LS_MODE_MBOX
44 };
45
46 enum ls_flags {
47 LS_FLAG_FULL_PATH = 1,
48 LS_FLAG_ADMISSIBLE_ONLY = 2,
49 LS_FLAG_REVERSE = 4,
50 };
51
52 struct ls_widths {
53 unsigned short score_width;
54 unsigned short image_id_width;
55 unsigned short lyrics_id_width;
56 unsigned short bitrate_width;
57 unsigned short frequency_width;
58 unsigned short duration_width;
59 unsigned short num_played_width;
60 };
61
62 struct ls_data {
63 struct audio_format_info afhi;
64 struct afs_info afsi;
65 char *path;
66 long score;
67 HASH_TYPE *hash;
68 };
69
70 struct ls_options {
71 unsigned flags;
72 enum ls_sorting_method sorting;
73 enum ls_listing_mode mode;
74 char **patterns;
75 int num_patterns;
76 struct ls_widths widths;
77 uint32_t array_size;
78 uint32_t num_matching_paths;
79 struct ls_data *data;
80 struct ls_data **data_ptr;
81 };
82
83 enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
84
85 struct audio_file_data {
86 enum play_mode current_play_mode;
87 long score;
88 struct afs_info afsi;
89 struct audio_format_info afhi;
90 char *path;
91 struct osl_object map;
92 };
93
94 /* afs */
95 typedef int callback_function(const struct osl_object *, struct osl_object *);
96 __noreturn int afs_init(uint32_t cookie, int socket_fd);
97 int send_callback_request(callback_function *f, struct osl_object *query,
98 struct osl_object *result);
99 int send_standard_callback_request(int argc, const char **argv,
100 callback_function *f, struct osl_object *result);
101 int send_option_arg_callback_request(struct osl_object *options,
102 int argc, const char **argv, callback_function *f,
103 struct osl_object *result);
104 int stdin_command(struct osl_object *arg_obj, callback_function *f,
105 unsigned max_len, struct osl_object *result);
106 int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
107 int para_atol(const char *str, long *result);
108 int open_next_audio_file(struct audio_file_data *afd);
109 int close_audio_file(struct audio_file_data *afd);
110
111 /* score */
112 int score_init(struct table_info *ti);
113 void score_shutdown(enum osl_close_flags flags);
114 int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
115 int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
116 int score_get_best(struct osl_row **aft_row, long *score);
117 int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
118 int score_add(const struct osl_row *row, long score);
119 int score_update(const struct osl_row *aft_row, long new_score);
120 int get_num_admissible_files(unsigned *num);
121 int score_delete(const struct osl_row *aft_row);
122 int row_belongs_to_score_table(const struct osl_row *aft_row);
123
124 /* attribute */
125 int attribute_init(struct table_info *ti);
126 void attribute_shutdown(enum osl_close_flags flags);
127 void get_attribute_bitmap(uint64_t *atts, char *buf);
128 int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum);
129 int get_attribute_text(uint64_t *atts, const char *delim, char **text);
130
131 /* aft */
132 int aft_init(struct table_info *ti);
133 void aft_shutdown(enum osl_close_flags flags);
134 int aft_get_row_of_path(char *path, struct osl_row **row);
135 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
136 int load_afsi(struct afs_info *afsi, struct osl_object *obj);
137 void save_afsi(struct afs_info *afsi, struct osl_object *obj);
138 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi);
139 int get_audio_file_path_of_row(const struct osl_row *row, char **path);
140 int get_afsi_object_of_row(const void *row, struct osl_object *obj);
141 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
142
143 /* mood */
144 int mood_open(char *mood_name);
145 void mood_close(void);
146 int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi);
147 int mood_reload(void);
148 int mood_delete_audio_file(const struct osl_row *aft_row);
149
150
151 /* playlist */
152 int playlist_open(char *name);
153 void playlist_close(void);
154 int playlist_update_audio_file(struct osl_row *aft_row);
155
156 /** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
157 #define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
158
159
160 #define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \
161 int table_name ## _init(struct table_info *ti); \
162 void table_name ## _shutdown(enum osl_close_flags flags); \
163 int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \
164 extern struct osl_table *table_name ## _table;
165
166 DECLARE_BLOB_SYMBOLS(lyrics, lyr);
167 DECLARE_BLOB_SYMBOLS(images, img);
168 DECLARE_BLOB_SYMBOLS(moods, mood);
169 DECLARE_BLOB_SYMBOLS(playlists, pl);
170
171 enum blob_table_columns {BLOBCOL_ID, BLOBCOL_NAME, BLOBCOL_DEF, NUM_BLOB_COLUMNS};
172 #define DEFINE_BLOB_TABLE_DESC(table_name) \
173 const struct osl_table_description table_name ## _table_desc = { \
174 .dir = DATABASE_DIR, \
175 .name = #table_name, \
176 .num_columns = NUM_BLOB_COLUMNS, \
177 .flags = OSL_LARGE_TABLE, \
178 .column_descriptions = blob_cols \
179 };
180
181 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
182
183 #define INIT_BLOB_TABLE(table_name) \
184 DEFINE_BLOB_TABLE_DESC(table_name); \
185 DEFINE_BLOB_TABLE_PTR(table_name);
186