mpdm.h

   1 /*
   2
   3     MPDM - Minimum Profit Data Manager
   4     Copyright (C) 2003/2011 Angel Ortega <angel@triptico.com>
   5
   6     This program is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU General Public License
   8     as published by the Free Software Foundation; either version 2
   9     of the License, or (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20     http://www.triptico.com
  21
  22 */
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 enum {
  29     _MPDM_STRING,
  30     _MPDM_MULTIPLE,
  31     _MPDM_FREE,
  32     _MPDM_IVAL,
  33     _MPDM_RVAL,
  34     _MPDM_HASH,
  35     _MPDM_FILE,
  36     _MPDM_EXEC,
  37     _MPDM_REGEX,
  38     _MPDM_MUTEX,
  39     _MPDM_SEMAPHORE,
  40     _MPDM_THREAD
  41 };
  42
  43 enum {
  44     MPDM_STRING     = (1<<_MPDM_STRING),    /* data can be string-compared */
  45     MPDM_MULTIPLE   = (1<<_MPDM_MULTIPLE),  /* data is multiple */
  46     MPDM_FREE       = (1<<_MPDM_FREE),      /* free data at destroy */
  47     MPDM_IVAL       = (1<<_MPDM_IVAL),      /* integer value cached in .ival */
  48     MPDM_RVAL       = (1<<_MPDM_RVAL),      /* real value cached in .rval */
  49     MPDM_HASH       = (1<<_MPDM_HASH),      /* data is a hash */
  50     MPDM_FILE       = (1<<_MPDM_FILE),      /* data is a FILE * */
  51     MPDM_EXEC       = (1<<_MPDM_EXEC),      /* data is 'executable' */
  52     MPDM_REGEX      = (1<<_MPDM_REGEX),     /* data is a compiled regex */
  53     MPDM_MUTEX      = (1<<_MPDM_MUTEX),     /* data is a mutex */
  54     MPDM_SEMAPHORE  = (1<<_MPDM_SEMAPHORE), /* data is a semaphore */
  55     MPDM_THREAD     = (1<<_MPDM_THREAD)     /* data is a thread handle */
  56 };
  57
  58 /* mpdm values */
  59 typedef struct mpdm_val *mpdm_t;
  60
  61 /* a value */
  62 struct mpdm_val {
  63     int flags;          /* value flags */
  64     int ref;            /* reference count */
  65     int size;           /* data size */
  66     int ival;           /* cached integer value */
  67     double rval;        /* cache real value */
  68     const void *data;   /* the real data */
  69     mpdm_t next;        /* next in chain */
  70 };
  71
  72
  73 /* the main control structure */
  74 struct mpdm_control {
  75     mpdm_t root;            /* the root hash */
  76     mpdm_t del;             /* list of deleted values */
  77     int count;              /* total count of values */
  78     int hash_buckets;       /* default hash buckets */
  79     int threaded_delete;    /* threaded delete flag */
  80     mpdm_t del_queue_mutex; /* delete queue mutex */
  81     mpdm_t del_queue_sem;   /* delete queue semaphore */
  82 };
  83
  84 extern struct mpdm_control *mpdm;
  85
  86 mpdm_t mpdm_new(int flags, const void *data, int size);
  87 mpdm_t mpdm_ref(mpdm_t v);
  88 mpdm_t mpdm_unref(mpdm_t v);
  89 mpdm_t mpdm_unrefnd(mpdm_t v);
  90
  91 int mpdm_size(const mpdm_t v);
  92 mpdm_t mpdm_clone(const mpdm_t v);
  93 mpdm_t mpdm_root(void);
  94
  95 void mpdm_void(mpdm_t v);
  96 int mpdm_is_null(mpdm_t v);
  97
  98 mpdm_t mpdm_exec(mpdm_t c, mpdm_t args, mpdm_t ctxt);
  99 mpdm_t mpdm_exec_1(mpdm_t c, mpdm_t a1, mpdm_t ctxt);
 100 mpdm_t mpdm_exec_2(mpdm_t c, mpdm_t a1, mpdm_t a2, mpdm_t ctxt);
 101 mpdm_t mpdm_exec_3(mpdm_t c, mpdm_t a1, mpdm_t a2, mpdm_t a3, mpdm_t ctxt);
 102
 103 mpdm_t mpdm_new_a(int flags, int size);
 104 mpdm_t mpdm_aclone(const mpdm_t v);
 105
 106 mpdm_t mpdm_expand(mpdm_t a, int offset, int num);
 107 mpdm_t mpdm_collapse(mpdm_t a, int offset, int num);
 108 mpdm_t mpdm_aset(mpdm_t a, mpdm_t e, int offset);
 109 mpdm_t mpdm_aget(const mpdm_t a, int offset);
 110 mpdm_t mpdm_ins(mpdm_t a, mpdm_t e, int offset);
 111 mpdm_t mpdm_adel(mpdm_t a, int offset);
 112 mpdm_t mpdm_shift(mpdm_t a);
 113 mpdm_t mpdm_push(mpdm_t a, mpdm_t e);
 114 mpdm_t mpdm_pop(mpdm_t a);
 115 mpdm_t mpdm_queue(mpdm_t a, mpdm_t e, int size);
 116 int mpdm_seek(const mpdm_t a, const mpdm_t k, int step);
 117 int mpdm_seek_s(const mpdm_t a, const wchar_t * k, int step);
 118 int mpdm_bseek(const mpdm_t a, const mpdm_t k, int step, int *pos);
 119 int mpdm_bseek_s(const mpdm_t a, const wchar_t * k, int step, int *pos);
 120 mpdm_t mpdm_sort(mpdm_t a, int step);
 121 mpdm_t mpdm_sort_cb(mpdm_t a, int step, mpdm_t asort_cb);
 122
 123 mpdm_t mpdm_split_s(const wchar_t *s, const mpdm_t v);
 124 mpdm_t mpdm_split(const mpdm_t s, const mpdm_t a);
 125 mpdm_t mpdm_join_s(const wchar_t *s, const mpdm_t a);
 126 mpdm_t mpdm_join(const mpdm_t s, const mpdm_t a);
 127
 128 void *mpdm_poke_o(void *dst, int *dsize, int *offset, const void *org, int osize, int esize);
 129 void *mpdm_poke(void *dst, int *dsize, const void *org, int osize, int esize);
 130 wchar_t *mpdm_pokewsn(wchar_t *dst, int *dsize, const wchar_t *str, int slen);
 131 wchar_t *mpdm_pokews(wchar_t *dst, int *dsize, const wchar_t *str);
 132 wchar_t *mpdm_pokev(wchar_t *dst, int *dsize, const mpdm_t v);
 133 wchar_t *mpdm_mbstowcs(const char *str, int *s, int l);
 134 char *mpdm_wcstombs(const wchar_t * str, int *s);
 135 mpdm_t mpdm_new_wcs(int flags, const wchar_t * str, int size, int cpy);
 136 mpdm_t mpdm_new_mbstowcs(int flags, const char *str, int l);
 137 mpdm_t mpdm_new_wcstombs(int flags, const wchar_t * str);
 138 mpdm_t mpdm_new_i(int ival);
 139 mpdm_t mpdm_new_r(double rval);
 140 int mpdm_wcwidth(wchar_t c);
 141 mpdm_t mpdm_sprintf(const mpdm_t fmt, const mpdm_t args);
 142 mpdm_t mpdm_ulc(const mpdm_t s, int u);
 143 mpdm_t mpdm_sscanf(const mpdm_t fmt, const mpdm_t str, int offset);
 144
 145 wchar_t *mpdm_string(const mpdm_t v);
 146 wchar_t *mpdm_string2(const mpdm_t v, wchar_t *wtmp);
 147 mpdm_t mpdm_splice(const mpdm_t v, const mpdm_t i, int offset, int del);
 148 mpdm_t mpdm_strcat_sn(const mpdm_t s1, const wchar_t *s2, int size);
 149 mpdm_t mpdm_strcat_s(const mpdm_t s1, const wchar_t *s2);
 150 mpdm_t mpdm_strcat(const mpdm_t s1, const mpdm_t s2);
 151 int mpdm_cmp(const mpdm_t v1, const mpdm_t v2);
 152 int mpdm_cmp_s(const mpdm_t v1, const wchar_t *v2);
 153 int mpdm_ival(mpdm_t v);
 154 double mpdm_rval(mpdm_t v);
 155 mpdm_t mpdm_set_ival(mpdm_t v, int ival);
 156 mpdm_t mpdm_set_rval(mpdm_t v, double rval);
 157
 158 mpdm_t mpdm_xnew(mpdm_t(*a1) (mpdm_t, mpdm_t, mpdm_t), mpdm_t a2);
 159 mpdm_t mpdm_new_copy(int flags, void *ptr, int size);
 160
 161 int mpdm_hsize(const mpdm_t h);
 162 mpdm_t mpdm_hget(const mpdm_t h, const mpdm_t k);
 163 mpdm_t mpdm_hget_s(const mpdm_t h, const wchar_t *k);
 164 int mpdm_exists(const mpdm_t h, const mpdm_t k);
 165 mpdm_t mpdm_hset(mpdm_t h, mpdm_t k, mpdm_t v);
 166 mpdm_t mpdm_hset_s(mpdm_t h, const wchar_t *k, mpdm_t v);
 167 mpdm_t mpdm_hdel(mpdm_t h, const mpdm_t k);
 168 mpdm_t mpdm_keys(const mpdm_t h);
 169 int mpdm_iterator(mpdm_t h, int *context, mpdm_t *v1, mpdm_t *v2);
 170
 171 extern wchar_t * (*mpdm_dump_1) (const mpdm_t v, int l, wchar_t *ptr, int *size);
 172 mpdm_t mpdm_dumper(const mpdm_t v);
 173 void mpdm_dump(const mpdm_t v);
 174
 175 #define MPDM_SGET(r, k) mpdm_sget((r), MPDM_LS((k)))
 176 #define MPDM_SSET(r, k, v) mpdm_sset((r), MPDM_LS((k)), (v))
 177
 178 mpdm_t mpdm_sget(mpdm_t r, mpdm_t k);
 179 mpdm_t mpdm_sset(mpdm_t r, mpdm_t k, mpdm_t v);
 180
 181 int mpdm_write_wcs(FILE * f, const wchar_t * str);
 182 mpdm_t mpdm_new_f(FILE * f);
 183 mpdm_t mpdm_open(const mpdm_t filename, const mpdm_t mode);
 184 mpdm_t mpdm_close(mpdm_t fd);
 185 mpdm_t mpdm_read(const mpdm_t fd);
 186 int mpdm_write(const mpdm_t fd, const mpdm_t v);
 187 mpdm_t mpdm_getchar(const mpdm_t fd);
 188 int mpdm_putchar(const mpdm_t fd, const mpdm_t c);
 189 int mpdm_fseek(const mpdm_t fd, long offset, int whence);
 190 long mpdm_ftell(const mpdm_t fd);
 191 FILE * mpdm_get_filehandle(const mpdm_t fd);
 192 int mpdm_encoding(mpdm_t charset);
 193 int mpdm_unlink(const mpdm_t filename);
 194 mpdm_t mpdm_stat(const mpdm_t filename);
 195 int mpdm_chmod(const mpdm_t filename, mpdm_t perms);
 196 int mpdm_chdir(const mpdm_t dir);
 197 int mpdm_chown(const mpdm_t filename, mpdm_t uid, mpdm_t gid);
 198 mpdm_t mpdm_glob(mpdm_t spec, mpdm_t base);
 199
 200 mpdm_t mpdm_popen(const mpdm_t prg, const mpdm_t mode);
 201 mpdm_t mpdm_popen2(const mpdm_t prg);
 202 mpdm_t mpdm_pclose(mpdm_t fd);
 203
 204 extern int mpdm_regex_offset;
 205 extern int mpdm_regex_size;
 206 extern int mpdm_sregex_count;
 207
 208 mpdm_t mpdm_regex(mpdm_t r, const mpdm_t v, int offset);
 209 mpdm_t mpdm_sregex(mpdm_t r, const mpdm_t v, const mpdm_t s, int offset);
 210
 211 mpdm_t mpdm_gettext(const mpdm_t str);
 212 int mpdm_gettext_domain(const mpdm_t dom, const mpdm_t data);
 213
 214 mpdm_t mpdm_home_dir(void);
 215 mpdm_t mpdm_app_dir(void);
 216
 217 /* value type testing macros */
 218
 219 #define MPDM_IS_ARRAY(v)    ((v != NULL) && ((v)->flags) & MPDM_MULTIPLE)
 220 #define MPDM_IS_HASH(v)     ((v != NULL) && ((v)->flags) & MPDM_HASH)
 221 #define MPDM_IS_EXEC(v)     ((v != NULL) && ((v)->flags) & MPDM_EXEC)
 222 #define MPDM_IS_STRING(v)   ((v != NULL) && ((v)->flags) & MPDM_STRING)
 223
 224 /* value creation utility macros */
 225
 226 #define MPDM_A(n)       mpdm_new_a(0,n)
 227 #define MPDM_H(n)       mpdm_new_a(MPDM_HASH|MPDM_IVAL,n)
 228 #define MPDM_LS(s)      mpdm_new_wcs(0, s, -1, 0)
 229 #define MPDM_S(s)       mpdm_new_wcs(0, s, -1, 1)
 230 #define MPDM_NS(s,n)    mpdm_new_wcs(0, s, n, 1)
 231 #define MPDM_ENS(s,n)   mpdm_new(MPDM_STRING|MPDM_FREE, s, n)
 232 #define MPDM_C(f,p,s)   mpdm_new_copy(f,p,s)
 233
 234 #define MPDM_I(i)       mpdm_new_i((i))
 235 #define MPDM_R(r)       mpdm_new_r((r))
 236 #define MPDM_P(p)       mpdm_new(0,(void *)p, 0, NULL)
 237 #define MPDM_MBS(s)     mpdm_new_mbstowcs(0, s, -1)
 238 #define MPDM_NMBS(s,n)  mpdm_new_mbstowcs(0, s, n)
 239 #define MPDM_2MBS(s)    mpdm_new_wcstombs(0, s)
 240
 241 #define MPDM_X(f)       mpdm_new(MPDM_EXEC, (const void *)f, 0)
 242 #define MPDM_X2(f,b)    mpdm_xnew(f,b)
 243
 244 #define MPDM_F(f)       mpdm_new_f(f)
 245
 246 int mpdm_startup(void);
 247 void mpdm_shutdown(void);
 248
 249 void mpdm_sleep(int msecs);
 250
 251 mpdm_t mpdm_new_mutex(void);
 252 void mpdm_mutex_lock(mpdm_t mutex);
 253 void mpdm_mutex_unlock(mpdm_t mutex);
 254
 255 mpdm_t mpdm_new_semaphore(int init_value);
 256 void mpdm_semaphore_wait(mpdm_t sem);
 257 void mpdm_semaphore_post(mpdm_t sem);
 258
 259 mpdm_t mpdm_exec_thread(mpdm_t c, mpdm_t args, mpdm_t ctxt);
 260
 261 #ifdef __cplusplus
 262 }
 263 #endif