mpdm_s.c

   1 /*
   2
   3     MPDM - Minimum Profit Data Manager
   4     Copyright (C) 2003/2007 Angel Ortega <angel@triptico.com>
   5
   6     mpdm_s.c - String management
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     as published by the Free Software Foundation; either version 2
  11     of the License, or (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21
  22     http://www.triptico.com
  23
  24 */
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <wchar.h>
  32 #include <locale.h>
  33 #include <wctype.h>
  34
  35 #ifdef CONFOPT_GETTEXT
  36 #include <libintl.h>
  37 #endif
  38
  39 #ifdef CONFOPT_WIN32
  40 #include <windows.h>
  41 #endif
  42
  43 #include "mpdm.h"
  44
  45
  46 /*******************
  47         Data
  48 ********************/
  49
  50 /*******************
  51         Code
  52 ********************/
  53
  54 void *mpdm_poke(void *dst, int *dsize, const void *org, int osize, int esize)
  55 /* pokes (adds) org into dst, which is a dynamic string, making it grow */
  56 {
  57         if (org != NULL && osize) {
  58                 /* makes room for the new string */
  59                 if ((dst = realloc(dst, (*dsize + osize) * esize)) != NULL) {
  60                         /* copies it */
  61                         memcpy((char *)dst + (*dsize * esize), org, osize * esize);
  62
  63                         /* adds to final size */
  64                         *dsize += osize;
  65                 }
  66         }
  67
  68         return dst;
  69 }
  70
  71
  72 wchar_t *mpdm_pokews(wchar_t *dst, int *dsize, const wchar_t *str)
  73 /* adds a wide string to dst using mpdm_poke() */
  74 {
  75         return mpdm_poke(dst, dsize, str, wcslen(str), sizeof(wchar_t));
  76 }
  77
  78
  79 wchar_t *mpdm_pokev(wchar_t * dst, int *dsize, const mpdm_t v)
  80 /* adds the string in v to dst using mpdm_poke() */
  81 {
  82         if (v != NULL) {
  83                 const wchar_t *ptr = mpdm_string(v);
  84
  85                 dst = mpdm_pokews(dst, dsize, ptr);
  86         }
  87
  88         return dst;
  89 }
  90
  91
  92 wchar_t *mpdm_mbstowcs(const char *str, int *s, int l)
  93 /* converts an mbs to a wcs, but filling invalid chars
  94    with question marks instead of just failing */
  95 {
  96         wchar_t *ptr = NULL;
  97         char tmp[64];           /* really MB_CUR_MAX + 1 */
  98         wchar_t wc;
  99         int n, i, c, t = 0;
 100         char *cstr;
 101
 102         /* allow NULL values for s */
 103         if (s == NULL)
 104                 s = &t;
 105
 106         /* if there is a limit, duplicate and break the string */
 107         if (l >= 0) {
 108                 cstr = strdup(str);
 109                 cstr[l] = '\0';
 110         }
 111         else
 112                 cstr = (char *) str;
 113
 114         /* try first a direct conversion with mbstowcs */
 115         if ((*s = mbstowcs(NULL, cstr, 0)) != -1) {
 116                 /* direct conversion is possible; do it */
 117                 if ((ptr = malloc((*s + 1) * sizeof(wchar_t))) != NULL) {
 118                         mbstowcs(ptr, cstr, *s);
 119                         ptr[*s] = L'\0';
 120                 }
 121         }
 122         else {
 123                 /* zero everything */
 124                 *s = n = i = 0;
 125
 126                 for (;;) {
 127                         /* no more characters to process? */
 128                         if ((c = cstr[n + i]) == '\0' && i == 0)
 129                                 break;
 130
 131                         tmp[i++] = c;
 132                         tmp[i] = '\0';
 133
 134                         /* try to convert */
 135                         if (mbstowcs(&wc, tmp, 1) == (size_t) -1) {
 136                                 /* can still be an incomplete multibyte char? */
 137                                 if (c != '\0' && i <= (int) MB_CUR_MAX)
 138                                         continue;
 139                                 else {
 140                                         /* too many failing bytes; skip 1 byte */
 141                                         wc = L'?';
 142                                         i = 1;
 143                                 }
 144                         }
 145
 146                         /* skip used bytes and back again */
 147                         n += i;
 148                         i = 0;
 149
 150                         /* store new char */
 151                         if ((ptr = mpdm_poke(ptr, s, &wc, 1, sizeof(wchar_t))) == NULL)
 152                                 break;
 153                 }
 154
 155                 /* null terminate and count one less */
 156                 if (ptr != NULL) {
 157                         ptr = mpdm_poke(ptr, s, L"", 1, sizeof(wchar_t));
 158                         (*s)--;
 159                 }
 160         }
 161
 162         /* free the duplicate */
 163         if (cstr != str)
 164                 free(cstr);
 165
 166         return ptr;
 167 }
 168
 169
 170 char *mpdm_wcstombs(const wchar_t * str, int *s)
 171 /* converts a wcs to an mbs, but filling invalid chars
 172    with question marks instead of just failing */
 173 {
 174         char *ptr = NULL;
 175         char tmp[64];           /* really MB_CUR_MAX + 1 */
 176         int l, t = 0;
 177
 178         /* allow NULL values for s */
 179         if (s == NULL)
 180                 s = &t;
 181
 182         /* try first a direct conversion with wcstombs */
 183         if ((*s = wcstombs(NULL, str, 0)) != -1) {
 184                 /* direct conversion is possible; do it and return */
 185                 if ((ptr = malloc(*s + 1)) != NULL) {
 186                         wcstombs(ptr, str, *s);
 187                         ptr[*s] = '\0';
 188                 }
 189
 190                 return ptr;
 191         }
 192
 193         /* invalid encoding? convert characters one by one */
 194         *s = 0;
 195
 196         while (*str) {
 197                 if ((l = wctomb(tmp, *str)) <= 0) {
 198                         /* if char couldn't be converted,
 199                            write a question mark instead */
 200                         l = wctomb(tmp, L'?');
 201                 }
 202
 203                 tmp[l] = '\0';
 204                 if ((ptr = mpdm_poke(ptr, s, tmp, l, 1)) == NULL)
 205                         break;
 206
 207                 str++;
 208         }
 209
 210         /* null terminate and count one less */
 211         if (ptr != NULL) {
 212                 ptr = mpdm_poke(ptr, s, "", 1, 1);
 213                 (*s)--;
 214         }
 215
 216         return ptr;
 217 }
 218
 219
 220 mpdm_t mpdm_new_wcs(int flags, const wchar_t * str, int size, int cpy)
 221 /* creates a new string value from a wcs */
 222 {
 223         wchar_t *ptr;
 224
 225         /* a size of -1 means 'calculate it' */
 226         if (size == -1 && str != NULL)
 227                 size = wcslen(str);
 228
 229         /* create a copy? */
 230         if (cpy) {
 231                 /* free() on destruction */
 232                 flags |= MPDM_FREE;
 233
 234                 /* allocs */
 235                 if ((ptr = malloc((size + 1) * sizeof(wchar_t))) == NULL)
 236                         return NULL;
 237
 238                 /* if no source, reset to zeroes; otherwise, copy */
 239                 if (str == NULL)
 240                         memset(ptr, '\0', size * sizeof(wchar_t));
 241                 else {
 242                         wcsncpy(ptr, str, size);
 243                         ptr[size] = L'\0';
 244                 }
 245         }
 246         else
 247                 ptr = (wchar_t *)str;
 248
 249         /* it's a string */
 250         flags |= MPDM_STRING;
 251
 252         return mpdm_new(flags, ptr, size);
 253 }
 254
 255
 256 mpdm_t mpdm_new_mbstowcs(int flags, const char *str, int l)
 257 /* creates a new string value from an mbs */
 258 {
 259         wchar_t *ptr;
 260         int size;
 261
 262         if ((ptr = mpdm_mbstowcs(str, &size, l)) == NULL)
 263                 return NULL;
 264
 265         /* it's a string */
 266         flags |= (MPDM_STRING | MPDM_FREE);
 267
 268         return mpdm_new(flags, ptr, size);
 269 }
 270
 271
 272 mpdm_t mpdm_new_wcstombs(int flags, const wchar_t * str)
 273 /* creates a new mbs value from a wbs */
 274 {
 275         char *ptr;
 276         int size;
 277
 278         ptr = mpdm_wcstombs(str, &size);
 279
 280         flags |= MPDM_FREE;
 281
 282         /* unset the string flag; mbs,s are not 'strings' */
 283         flags &= ~MPDM_STRING;
 284
 285         return mpdm_new(flags, ptr, size);
 286 }
 287
 288
 289 mpdm_t mpdm_new_i(int ival)
 290 /* creates a new string value from an integer */
 291 {
 292         mpdm_t v;
 293         char tmp[32];
 294
 295         /* creates the visual representation */
 296         snprintf(tmp, sizeof(tmp), "%d", ival);
 297
 298         v = MPDM_MBS(tmp);
 299
 300         return mpdm_set_ival(v, ival);
 301 }
 302
 303
 304 mpdm_t mpdm_new_r(double rval)
 305 /* creates a new string value from a real number */
 306 {
 307         mpdm_t v;
 308         char tmp[128];
 309
 310         /* creates the visual representation */
 311         snprintf(tmp, sizeof(tmp), "%lf", rval);
 312
 313         /* manually strip useless zeroes */
 314         if (strchr(tmp, '.') != NULL) {
 315                 char *ptr;
 316
 317                 for (ptr = tmp + strlen(tmp) - 1; *ptr == '0'; ptr--);
 318
 319                 /* if it's over the ., strip it also */
 320                 if (*ptr != '.')
 321                         ptr++;
 322
 323                 *ptr = '\0';
 324         }
 325
 326         v = MPDM_MBS(tmp);
 327
 328         return mpdm_set_rval(v, rval);
 329 }
 330
 331
 332 /* interface */
 333
 334 /**
 335  * mpdm_string - Returns a printable representation of a value.
 336  * @v: the value
 337  *
 338  * Returns a printable representation of a value. For strings, it's
 339  * the value data itself; for any other type, a conversion to string
 340  * is returned instead. This value should be used immediately, as it
 341  * can be a pointer to a static buffer.
 342  * [Strings]
 343  */
 344 wchar_t *mpdm_string(const mpdm_t v)
 345 {
 346         static wchar_t wtmp[32];
 347         char tmp[32];
 348
 349         /* if it's NULL, return a constant */
 350         if (v == NULL)
 351                 return L"[NULL]";
 352
 353         /* if it's a string, return it */
 354         if (v->flags & MPDM_STRING)
 355                 return (wchar_t *) v->data;
 356
 357         /* otherwise, return a visual representation */
 358         snprintf(tmp, sizeof(tmp), "%p", v);
 359         mbstowcs(wtmp, tmp, sizeof(wtmp));
 360         wtmp[(sizeof(wtmp) / sizeof(wchar_t)) - 1] = L'\0';
 361
 362         return wtmp;
 363 }
 364
 365
 366 /**
 367  * mpdm_cmp - Compares two values.
 368  * @v1: the first value
 369  * @v2: the second value
 370  *
 371  * Compares two values. If both has the MPDM_STRING flag set,
 372  * a comparison using wcscmp() is returned; if both are arrays,
 373  * the size is compared first and, if they have the same number
 374  * elements, each one is compared; otherwise, a simple pointer
 375  * comparison is done.
 376  * [Strings]
 377  */
 378 int mpdm_cmp(const mpdm_t v1, const mpdm_t v2)
 379 {
 380         int r;
 381
 382         /* same values? */
 383         if (v1 == v2)
 384                 return 0;
 385
 386         /* is any value NULL? */
 387         if (v1 == NULL)
 388                 return -1;
 389         if (v2 == NULL)
 390                 return 1;
 391
 392         /* different values, but same content? (unlikely) */
 393         if (v1->data == v2->data)
 394                 return 0;
 395
 396         if (MPDM_IS_STRING(v1) && MPDM_IS_STRING(v2))
 397                 r = wcscoll((wchar_t *) v1->data, (wchar_t *) v2->data);
 398         else
 399         if (MPDM_IS_ARRAY(v1) && MPDM_IS_ARRAY(v2)) {
 400                 /* compare first the sizes */
 401                 if ((r = mpdm_size(v1) - mpdm_size(v2)) == 0) {
 402                         int n;
 403
 404                         /* they have the same size;
 405                            compare each pair of elements */
 406                         for (n = 0; n < mpdm_size(v1); n++) {
 407                                 if ((r = mpdm_cmp(mpdm_aget(v1, n),
 408                                         mpdm_aget(v2, n))) != 0)
 409                                         break;
 410                         }
 411                 }
 412         }
 413         else
 414                 /* in any other case, compare just pointers */
 415                 r = (int) ((char *)v1->data - (char *)v2->data);
 416
 417         return r;
 418 }
 419
 420
 421 /**
 422  * mpdm_splice - Creates a new string value from another.
 423  * @v: the original value
 424  * @i: the value to be inserted
 425  * @offset: offset where the substring is to be inserted
 426  * @del: number of characters to delete
 427  *
 428  * Creates a new string value from @v, deleting @del chars at @offset
 429  * and substituting them by @i. If @del is 0, no deletion is done.
 430  * both @offset and @del can be negative; if this is the case, it's
 431  * assumed as counting from the end of @v. If @v is NULL, @i will become
 432  * the new string, and both @offset and @del will be ignored. If @v is
 433  * not NULL and @i is, no insertion process is done (only deletion, if
 434  * applicable).
 435  *
 436  * Returns a two element array, with the new string in the first
 437  * element and the deleted string in the second (with a NULL value
 438  * if @del is 0).
 439  * [Strings]
 440  */
 441 mpdm_t mpdm_splice(const mpdm_t v, const mpdm_t i, int offset, int del)
 442 {
 443         mpdm_t w;
 444         mpdm_t n = NULL;
 445         mpdm_t d = NULL;
 446         int os, ns, r;
 447         int ins = 0;
 448         wchar_t *ptr;
 449
 450         if (v != NULL) {
 451                 os = mpdm_size(v);
 452
 453                 /* negative offsets start from the end */
 454                 if (offset < 0)
 455                         offset = os + 1 - offset;
 456
 457                 /* never add further the end */
 458                 if (offset > os)
 459                         offset = os;
 460
 461                 /* negative del counts as 'characters left' */
 462                 if (del < 0)
 463                         del = os + 1 - offset + del;
 464
 465                 /* something to delete? */
 466                 if (del > 0) {
 467                         /* never delete further the end */
 468                         if (offset + del > os)
 469                                 del = os - offset;
 470
 471                         /* deleted string */
 472                         d = MPDM_NS(((wchar_t *) v->data) + offset, del);
 473                 }
 474                 else
 475                         del = 0;
 476
 477                 /* something to insert? */
 478                 ins = mpdm_size(i);
 479
 480                 /* new size and remainder */
 481                 ns = os + ins - del;
 482                 r = offset + del;
 483
 484                 if ((n = MPDM_NS(NULL, ns)) == NULL)
 485                         return NULL;
 486
 487                 ptr = (wchar_t *)n->data;
 488
 489                 /* copy the beginning */
 490                 if (offset > 0) {
 491                         wcsncpy(ptr, v->data, offset);
 492                         ptr += offset;
 493                 }
 494
 495                 /* copy the text to be inserted */
 496                 if (ins > 0) {
 497                         wcsncpy(ptr, i->data, ins);
 498                         ptr += ins;
 499                 }
 500
 501                 /* copy the remaining */
 502                 os -= r;
 503                 if (os > 0) {
 504                         wcsncpy(ptr, ((wchar_t *) v->data) + r, os);
 505                         ptr += os;
 506                 }
 507
 508                 /* null terminate */
 509                 *ptr = L'\0';
 510         }
 511         else
 512                 n = i;
 513
 514         /* creates the output array */
 515         w = MPDM_A(2);
 516
 517         mpdm_aset(w, n, 0);
 518         mpdm_aset(w, d, 1);
 519
 520         return w;
 521 }
 522
 523
 524 /**
 525  * mpdm_strcat - Concatenates two strings.
 526  * @s1: the first string
 527  * @s2: the second string
 528  *
 529  * Returns a new string formed by the concatenation of @s1 and @s2.
 530  * [Strings]
 531  */
 532 mpdm_t mpdm_strcat(const mpdm_t s1, const mpdm_t s2)
 533 {
 534         wchar_t *ptr = NULL;
 535         int s = 0;
 536
 537         if (s1 == NULL && s2 == NULL)
 538                 return NULL;
 539
 540         ptr = mpdm_pokev(ptr, &s, s1);
 541         ptr = mpdm_pokev(ptr, &s, s2);
 542
 543         /* if no characters were added, returns an empty string */
 544         if (ptr == NULL)
 545                 return MPDM_LS(L"");
 546
 547         ptr = mpdm_poke(ptr, &s, L"", 1, sizeof(wchar_t));
 548         return MPDM_ENS(ptr, s - 1);
 549 }
 550
 551
 552 /**
 553  * mpdm_ival - Returns a value's data as an integer.
 554  * @v: the value
 555  *
 556  * Returns a value's data as an integer. If the value is a string,
 557  * it's converted via sscanf and returned; non-string values have all
 558  * an ival of 0. The converted integer is cached, so costly string
 559  * conversions are only done once. Values created with the MPDM_IVAL
 560  * flag set have its ival cached from the beginning.
 561  * [Strings]
 562  * [Value Management]
 563  */
 564 int mpdm_ival(mpdm_t v)
 565 {
 566         if (v == NULL)
 567                 return 0;
 568
 569         /* if there is no cached integer, calculate it */
 570         if (!(v->flags & MPDM_IVAL)) {
 571                 int i = 0;
 572
 573                 /* if it's a string, calculate it; other
 574                    values will have an ival of 0 */
 575                 if (v->flags & MPDM_STRING) {
 576                         char tmp[32];
 577                         char *fmt = "%i";
 578
 579                         wcstombs(tmp, (wchar_t *) v->data, sizeof(tmp));
 580                         tmp[sizeof(tmp) - 1] = '\0';
 581
 582                         /* workaround for mingw32: as it doesn't
 583                            correctly parse octal and hexadecimal
 584                            numbers, they are tried as special cases */
 585                         if (tmp[0] == '0') {
 586                                 if (tmp[1] == 'x' || tmp[1] == 'X')
 587                                         fmt = "%x";
 588                                 else
 589                                         fmt = "%o";
 590                         }
 591
 592                         sscanf(tmp, fmt, &i);
 593                 }
 594
 595                 mpdm_set_ival(v, i);
 596         }
 597
 598         return v->ival;
 599 }
 600
 601
 602 /**
 603  * mpdm_rval - Returns a value's data as a real number (double).
 604  * @v: the value
 605  *
 606  * Returns a value's data as a real number (double float). If the value
 607  * is a string, it's converted via sscanf and returned; non-string values
 608  * have all an rval of 0. The converted double is cached, so costly string
 609  * conversions are only done once. Values created with the MPDM_RVAL
 610  * flag set have its rval cached from the beginning.
 611  * [Strings]
 612  * [Value Management]
 613  */
 614 double mpdm_rval(mpdm_t v)
 615 {
 616         if (v == NULL)
 617                 return 0;
 618
 619         /* if there is no cached double, calculate it */
 620         if (!(v->flags & MPDM_RVAL)) {
 621                 double r = 0.0;
 622
 623                 /* if it's a string, calculate it; other
 624                    values will have an rval of 0.0 */
 625                 if (v->flags & MPDM_STRING) {
 626                         char tmp[128];
 627                         char *prev_locale;
 628
 629                         wcstombs(tmp, (wchar_t *) v->data, sizeof(tmp));
 630                         tmp[sizeof(tmp) - 1] = '\0';
 631
 632                         /* if the number starts with 0, it's
 633                            an octal or hexadecimal number; just
 634                            take the integer value and cast it */
 635                         if (tmp[0] == '0' && tmp[1] != '.')
 636                                 r = (double) mpdm_ival(v);
 637                         else {
 638                                 /* set locale to C for non locale-dependent
 639                                    floating point conversion */
 640                                 prev_locale = setlocale(LC_NUMERIC, "C");
 641
 642                                 /* read */
 643                                 sscanf(tmp, "%lf", &r);
 644
 645                                 /* set previous locale */
 646                                 setlocale(LC_NUMERIC, prev_locale);
 647                         }
 648                 }
 649
 650                 mpdm_set_rval(v, r);
 651         }
 652
 653         return v->rval;
 654 }
 655
 656
 657 /**
 658  * mpdm_gettext - Translates a string to the current language.
 659  * @str: the string
 660  *
 661  * Translates the @str string to the current language.
 662  *
 663  * This function can still be used even if there is no real gettext
 664  * support() by manually filling the __I18N__ hash.
 665  *
 666  * If the string is found in the current table, the translation is
 667  * returned; otherwise, the same @str value is returned.
 668  * [Strings]
 669  * [Localization]
 670  */
 671 mpdm_t mpdm_gettext(const mpdm_t str)
 672 {
 673         mpdm_t v;
 674         mpdm_t i18n = NULL;
 675
 676         /* gets the cache, if any */
 677         if ((i18n = mpdm_hget_s(mpdm_root(), L"__I18N__")) == NULL)
 678                 return str;
 679
 680         /* try first the cache */
 681         if ((v = mpdm_hget(i18n, str)) == NULL) {
 682 #ifdef CONFOPT_GETTEXT
 683                 char *s;
 684
 685                 /* convert to mbs */
 686                 v = MPDM_2MBS(str->data);
 687
 688                 /* ask gettext for it */
 689                 s = gettext((char *) v->data);
 690
 691                 /* create new value only if it's different */
 692                 if (s != v->data) {
 693                         v = MPDM_MBS(s);
 694
 695                         /* store in the cache */
 696                         mpdm_hset(i18n, str, v);
 697                 }
 698                 else
 699 #endif                          /* CONFOPT_GETTEXT */
 700
 701                         v = str;
 702         }
 703
 704         return v;
 705 }
 706
 707
 708 /**
 709  * mpdm_gettext_domain - Sets domain and data directory for translations.
 710  * @dom: the domain (application name)
 711  * @data: directory contaning the .mo files
 712  *
 713  * Sets the domain (application name) and translation data for translating
 714  * strings that will be returned by mpdm_gettext().@data must point to a
 715  * directory containing the .mo (compiled .po) files.
 716  *
 717  * If there is no gettext support, returns 0, or 1 otherwise.
 718  * [Strings]
 719  * [Localization]
 720  */
 721 int mpdm_gettext_domain(const mpdm_t dom, const mpdm_t data)
 722 {
 723         int ret = 0;
 724
 725 #ifdef CONFOPT_GETTEXT
 726
 727         mpdm_t dm;
 728         mpdm_t dt;
 729
 730         /* convert both to mbs,s */
 731         dm = MPDM_2MBS(dom->data);
 732         dt = MPDM_2MBS(data->data);
 733
 734         /* bind and set domain */
 735         bindtextdomain((char *) dm->data, (char *) dt->data);
 736         textdomain((char *) dm->data);
 737
 738         mpdm_hset_s(mpdm_root(), L"__I18N__", MPDM_H(0));
 739
 740         ret = 1;
 741
 742 #endif                          /* CONFOPT_GETTEXT */
 743
 744 #ifdef CONFOPT_WIN32
 745
 746         mpdm_t v;
 747
 748         if ((v = mpdm_hget_s(mpdm_root(), L"ENV")) != NULL &&
 749                 mpdm_hget_s(v, L"LANG") == NULL) {
 750                 wchar_t *wptr = L"en";
 751
 752                 /* MS Windows crappy language constants... */
 753
 754                 switch((GetSystemDefaultLangID() & 0x00ff)) {
 755                 case 0x01: wptr = L"ar"; break; /* arabic */
 756                 case 0x02: wptr = L"bg"; break; /* bulgarian */
 757                 case 0x03: wptr = L"ca"; break; /* catalan */
 758                 case 0x04: wptr = L"zh"; break; /* chinese */
 759                 case 0x05: wptr = L"cz"; break; /* czech */
 760                 case 0x06: wptr = L"da"; break; /* danish */
 761                 case 0x07: wptr = L"de"; break; /* german */
 762                 case 0x08: wptr = L"el"; break; /* greek */
 763                 case 0x09: wptr = L"en"; break; /* english */
 764                 case 0x0a: wptr = L"es"; break; /* spanish */
 765                 case 0x0b: wptr = L"fi"; break; /* finnish */
 766                 case 0x0c: wptr = L"fr"; break; /* french */
 767                 case 0x0d: wptr = L"he"; break; /* hebrew */
 768                 case 0x0e: wptr = L"hu"; break; /* hungarian */
 769                 case 0x0f: wptr = L"is"; break; /* icelandic */
 770                 case 0x10: wptr = L"it"; break; /* italian */
 771                 case 0x11: wptr = L"jp"; break; /* japanese */
 772                 case 0x12: wptr = L"ko"; break; /* korean */
 773                 case 0x13: wptr = L"nl"; break; /* dutch */
 774                 case 0x14: wptr = L"no"; break; /* norwegian */
 775                 case 0x15: wptr = L"po"; break; /* polish */
 776                 case 0x16: wptr = L"pt"; break; /* portuguese */
 777                 case 0x17: wptr = L"rm"; break; /* romansh (switzerland) */
 778                 case 0x18: wptr = L"ro"; break; /* romanian */
 779                 case 0x19: wptr = L"ru"; break; /* russian */
 780                 case 0x1a: wptr = L"sr"; break; /* serbian */
 781                 case 0x1b: wptr = L"sk"; break; /* slovak */
 782                 case 0x1c: wptr = L"sq"; break; /* albanian */
 783                 case 0x1d: wptr = L"sv"; break; /* swedish */
 784                 }
 785
 786                 mpdm_hset_s(v, L"LANG", MPDM_S(wptr));
 787         }
 788
 789 #endif                          /* CONFOPT_WIN32 */
 790
 791         return ret;
 792 }
 793
 794
 795 #ifdef CONFOPT_WCWIDTH
 796
 797 int wcwidth(wchar_t);
 798
 799 int mpdm_wcwidth(wchar_t c)
 800 {
 801         return wcwidth(c);
 802 }
 803
 804 #else                           /* CONFOPT_WCWIDTH */
 805
 806 #include "wcwidth.c"
 807
 808 int mpdm_wcwidth(wchar_t c)
 809 {
 810         return mk_wcwidth(c);
 811 }
 812
 813 #endif                          /* CONFOPT_WCWIDTH */
 814
 815
 816 /**
 817  * mpdm_sprintf - Formats a sprintf()-like string
 818  * @fmt: the string format
 819  * @args: an array of values
 820  *
 821  * Formats a string using the sprintf() format taking the values from @args.
 822  * [Strings]
 823  */
 824 mpdm_t mpdm_sprintf(const mpdm_t fmt, const mpdm_t args)
 825 {
 826         const wchar_t *i = fmt->data;
 827         wchar_t *o = NULL;
 828         int l = 0, n = 0;
 829         wchar_t c;
 830
 831         /* loop all characters */
 832         while ((c = *i++) != L'\0') {
 833                 int m = 0;
 834                 wchar_t *tptr = NULL;
 835                 wchar_t *wptr = NULL;
 836
 837                 if (c == L'%') {
 838                         /* format directive */
 839                         char t_fmt[128];
 840                         char tmp[1024];
 841                         mpdm_t v;
 842                         char *ptr = NULL;
 843
 844                         /* transfer the % */
 845                         t_fmt[m++] = '%';
 846
 847                         /* transform the format to mbs */
 848                         while (*i != L'\0' &&
 849                                 m < (int)(sizeof(t_fmt) - MB_CUR_MAX - 1) &&
 850                                 wcschr(L"-.0123456789", *i) != NULL)
 851                                 m += wctomb(&t_fmt[m], *i++);
 852
 853                         /* transfer the directive */
 854                         m += wctomb(&t_fmt[m], *i++);
 855
 856                         t_fmt[m] = '\0';
 857
 858                         /* by default, copies the format */
 859                         strcpy(tmp, t_fmt);
 860
 861                         /* pick next value */
 862                         v = mpdm_aget(args, n++);
 863
 864                         switch (t_fmt[m - 1]) {
 865                         case 'd':
 866                         case 'i':
 867                         case 'x':
 868                         case 'X':
 869                         case 'o':
 870
 871                                 /* integer value */
 872                                 snprintf(tmp, sizeof(tmp) - 1,
 873                                         t_fmt, mpdm_ival(v));
 874                                 break;
 875
 876                         case 'f':
 877
 878                                 /* float (real) value */
 879                                 snprintf(tmp, sizeof(tmp) - 1,
 880                                         t_fmt, mpdm_rval(v));
 881                                 break;
 882
 883                         case 's':
 884
 885                                 /* string value */
 886                                 ptr = mpdm_wcstombs(mpdm_string(v), NULL);
 887                                 snprintf(tmp, sizeof(tmp) - 1, t_fmt, ptr);
 888                                 free(ptr);
 889
 890                                 break;
 891
 892                         case 'c':
 893
 894                                 /* char */
 895                                 m = 1;
 896                                 wptr = &c;
 897                                 c = mpdm_ival(v);
 898                                 break;
 899
 900                         case '%':
 901
 902                                 /* percent sign */
 903                                 m = 1;
 904                                 wptr = &c;
 905                                 break;
 906                         }
 907
 908                         /* transfer */
 909                         if (wptr == NULL)
 910                                 wptr = tptr = mpdm_mbstowcs(tmp, &m, -1);
 911                 }
 912                 else {
 913                         /* raw character */
 914                         m = 1;
 915                         wptr = &c;
 916                 }
 917
 918                 /* transfer */
 919                 o = mpdm_poke(o, &l, wptr, m, sizeof(wchar_t));
 920
 921                 /* free the temporary buffer, if any */
 922                 if (tptr != NULL)
 923                         free(tptr);
 924         }
 925
 926         if (o == NULL)
 927                 return NULL;
 928
 929         /* null-terminate */
 930         o = mpdm_poke(o, &l, L"", 1, sizeof(wchar_t));
 931
 932         return MPDM_ENS(o, l - 1);
 933 }
 934
 935
 936 /**
 937  * mpdm_ulc - Converts a string to uppercase or lowecase
 938  * @s: the string
 939  * @u: convert to uppercase (1) or to lowercase (0).
 940  *
 941  * Converts @s to uppercase (for @u == 1) or to lowercase (@u == 0).
 942  * [Strings]
 943  */
 944 mpdm_t mpdm_ulc(const mpdm_t s, int u)
 945 {
 946         mpdm_t r = NULL;
 947         wchar_t *optr;
 948         int i = mpdm_size(s);
 949
 950         if ((optr = malloc((i + 1) * sizeof(wchar_t))) != NULL) {
 951                 wchar_t *iptr = mpdm_string(s);
 952                 int n;
 953
 954                 for (n = 0; n < i; n++)
 955                         optr[n] = u ? towupper(iptr[n]) : towlower(iptr[n]);
 956
 957                 optr[n] = L'\0';
 958                 r = MPDM_ENS(optr, i);
 959         }
 960
 961         return r;
 962 }