release/src/router/libncurses/test/test_addchstr.c

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  28 /*
  29  * $Id: test_addchstr.c,v 1.13 2010/12/12 01:28:24 tom Exp $
  30  *
  31  * Demonstrate the waddchstr() and waddch functions.
  32  * Thomas Dickey - 2009/9/12
  33  */
  34
  35 #include <test.priv.h>
  36
  37 #include <linedata.h>
  38
  39 #undef MvAddStr
  40 #undef MvWAddStr
  41
  42 #define AddNStr    addchnstr
  43 #define AddStr     addchstr
  44 #define MvAddNStr  (void) mvaddchnstr
  45 #define MvAddStr   (void) mvaddchstr
  46 #define MvWAddNStr (void) mvwaddchnstr
  47 #define MvWAddStr  (void) mvwaddchstr
  48 #define WAddNStr   waddchnstr
  49 #define WAddStr    waddchstr
  50
  51 #define AddCh      addch
  52 #define WAddCh     waddch
  53
  54 #define MY_TABSIZE 8
  55
  56 typedef enum {
  57     oDefault = 0,
  58     oMove = 1,
  59     oWindow = 2,
  60     oMoveWindow = 3
  61 } Options;
  62
  63 static bool m_opt = FALSE;
  64 static bool pass_ctls = FALSE;
  65 static bool w_opt = FALSE;
  66 static int n_opt = -1;
  67
  68 static attr_t show_attr;
  69 static chtype *temp_buffer;
  70 static size_t temp_length;
  71
  72 #define TempBuffer(source_cast)
  73
  74 static size_t
  75 ChLen(const char *source)
  76 {
  77     size_t result = strlen(source);
  78
  79     if (!pass_ctls) {
  80         size_t adjust = 0;
  81         size_t n;
  82
  83         for (n = 0; n < result; ++n) {
  84             const char *s = unctrl(UChar(source[n]));
  85             if (s != 0) {
  86                 adjust += (strlen(s) - 1);
  87             }
  88         }
  89         result += adjust;
  90     }
  91     return result;
  92 }
  93
  94 static chtype *
  95 ChStr(const char *source)
  96 {
  97     if (source != 0) {
  98         size_t need = ChLen(source) + 1;
  99         int n = 0;
 100
 101         if (need > temp_length) {
 102             temp_length = need * 2;
 103             temp_buffer = typeRealloc(chtype, temp_length, temp_buffer);
 104         }
 105         do {
 106             const char *s;
 107             chtype ch = UChar(*source++);
 108             if (!pass_ctls && (s = unctrl(ch)) != 0) {
 109                 while (*s != '\0') {
 110                     temp_buffer[n++] = UChar(*s++);
 111                 }
 112             } else {
 113                 temp_buffer[n++] = ch;
 114             }
 115         } while (source[0] != 0);
 116         temp_buffer[n] = 0;
 117     } else if (temp_buffer != 0) {
 118         free(temp_buffer);
 119         temp_buffer = 0;
 120         temp_length = 0;
 121     }
 122     return temp_buffer;
 123 }
 124
 125 /* color the strings drawn in the workspace */
 126 static chtype *
 127 ChStr2(const char *source)
 128 {
 129     size_t len = ChLen(source);
 130     size_t n;
 131     chtype *result = ChStr(source);
 132     for (n = 0; n < len; ++n) {
 133         result[n] |= show_attr;
 134     }
 135     return result;
 136 }
 137
 138 static void
 139 legend(WINDOW *win, int level, Options state, char *buffer, int length)
 140 {
 141     const char *showstate;
 142
 143     switch (state) {
 144     default:
 145     case oDefault:
 146         showstate = "";
 147         break;
 148     case oMove:
 149         showstate = " (mvXXX)";
 150         break;
 151     case oWindow:
 152         showstate = " (winXXX)";
 153         break;
 154     case oMoveWindow:
 155         showstate = " (mvwinXXX)";
 156         break;
 157     }
 158
 159     wmove(win, 0, 0);
 160     wprintw(win,
 161             "The Strings/Chars displays should match.  Enter any characters, except:\n");
 162     wprintw(win,
 163             "down-arrow or ^N to repeat on next line, ^W for inner window, ESC to exit.\n");
 164     wclrtoeol(win);
 165     wprintw(win, "Level %d,%s added %d characters <%s>", level,
 166             showstate, length, buffer);
 167 }
 168
 169 static int
 170 ColOf(char *buffer, int length, int margin)
 171 {
 172     int n;
 173     int result;
 174
 175     for (n = 0, result = margin + 1; n < length; ++n) {
 176         int ch = UChar(buffer[n]);
 177         switch (ch) {
 178         case '\n':
 179             /* actually newline should clear the remainder of the line
 180              * and move to the next line - but that seems a little awkward
 181              * in this example.
 182              */
 183         case '\r':
 184             result = 0;
 185             break;
 186         case '\b':
 187             if (result > 0)
 188                 --result;
 189             break;
 190         case '\t':
 191             result += (MY_TABSIZE - (result % MY_TABSIZE));
 192             break;
 193         case '\177':
 194             result += 2;
 195             break;
 196         default:
 197             ++result;
 198             if (ch < 32)
 199                 ++result;
 200             break;
 201         }
 202     }
 203     return result;
 204 }
 205
 206 #define LEN(n) ((length - (n) > n_opt) ? n_opt : (length - (n)))
 207 static void
 208 test_adds(int level)
 209 {
 210     static bool first = TRUE;
 211
 212     int ch;
 213     int limit;
 214     int row = 1;
 215     int col;
 216     int row2, col2;
 217     int length;
 218     char buffer[BUFSIZ];
 219     WINDOW *look = 0;
 220     WINDOW *work = 0;
 221     WINDOW *show = 0;
 222     int margin = (2 * MY_TABSIZE) - 1;
 223     Options option = (Options) ((unsigned) (m_opt
 224                                             ? oMove
 225                                             : oDefault)
 226                                 | (unsigned) ((w_opt || (level > 0))
 227                                               ? oWindow
 228                                               : oDefault));
 229
 230     if (first) {
 231         static char cmd[80];
 232         setlocale(LC_ALL, "");
 233
 234         putenv(strcpy(cmd, "TABSIZE=8"));
 235
 236         initscr();
 237         (void) cbreak();        /* take input chars one at a time, no wait for \n */
 238         (void) noecho();        /* don't echo input */
 239         keypad(stdscr, TRUE);
 240     }
 241
 242     limit = LINES - 5;
 243     if (level > 0) {
 244         look = newwin(limit, COLS - (2 * (level - 1)), 0, level - 1);
 245         work = newwin(limit - 2, COLS - (2 * level), 1, level);
 246         show = newwin(4, COLS, limit + 1, 0);
 247         box(look, 0, 0);
 248         wnoutrefresh(look);
 249         limit -= 2;
 250     } else {
 251         work = stdscr;
 252         show = derwin(stdscr, 4, COLS, limit + 1, 0);
 253     }
 254     keypad(work, TRUE);
 255
 256     for (col = margin + 1; col < COLS; col += MY_TABSIZE)
 257         MvWVLine(work, row, col, '.', limit - 2);
 258
 259     MvWVLine(work, row, margin, ACS_VLINE, limit - 2);
 260     MvWVLine(work, row, margin + 1, ACS_VLINE, limit - 2);
 261     limit /= 2;
 262
 263     MvWAddChStr(work, 1, 2, ChStr("String"));
 264     MvWAddChStr(work, limit + 1, 2, ChStr("Chars"));
 265     wnoutrefresh(work);
 266
 267     buffer[length = 0] = '\0';
 268     legend(show, level, option, buffer, length);
 269     wnoutrefresh(show);
 270
 271     doupdate();
 272
 273     /*
 274      * Show the characters added in color, to distinguish from those that
 275      * are shifted.
 276      */
 277     if (has_colors()) {
 278         start_color();
 279         init_pair(1, COLOR_WHITE, COLOR_BLUE);
 280         show_attr = COLOR_PAIR(1);
 281         wbkgdset(work, show_attr | ' ');
 282     } else {
 283         show_attr = A_STANDOUT;
 284     }
 285
 286     while ((ch = read_linedata(work)) != ERR && !isQUIT(ch)) {
 287         wmove(work, row, margin + 1);
 288         switch (ch) {
 289         case key_RECUR:
 290             test_adds(level + 1);
 291
 292             touchwin(look);
 293             touchwin(work);
 294             touchwin(show);
 295
 296             wnoutrefresh(look);
 297             wnoutrefresh(work);
 298             wnoutrefresh(show);
 299
 300             doupdate();
 301             break;
 302         case key_NEWLINE:
 303             if (row < limit) {
 304                 ++row;
 305                 /* put the whole string in, all at once */
 306                 col2 = margin + 1;
 307                 switch (option) {
 308                 case oDefault:
 309                     if (n_opt > 1) {
 310                         for (col = 0; col < length; col += n_opt) {
 311                             col2 = ColOf(buffer, col, margin);
 312                             if (move(row, col2) != ERR) {
 313                                 AddNStr(ChStr2(buffer + col), LEN(col));
 314                             }
 315                         }
 316                     } else {
 317                         if (move(row, col2) != ERR) {
 318                             AddStr(ChStr2(buffer));
 319                         }
 320                     }
 321                     break;
 322                 case oMove:
 323                     if (n_opt > 1) {
 324                         for (col = 0; col < length; col += n_opt) {
 325                             col2 = ColOf(buffer, col, margin);
 326                             MvAddNStr(row, col2, ChStr2(buffer + col), LEN(col));
 327                         }
 328                     } else {
 329                         MvAddStr(row, col2, ChStr2(buffer));
 330                     }
 331                     break;
 332                 case oWindow:
 333                     if (n_opt > 1) {
 334                         for (col = 0; col < length; col += n_opt) {
 335                             col2 = ColOf(buffer, col, margin);
 336                             if (wmove(work, row, col2) != ERR) {
 337                                 WAddNStr(work, ChStr2(buffer + col), LEN(col));
 338                             }
 339                         }
 340                     } else {
 341                         if (wmove(work, row, col2) != ERR) {
 342                             WAddStr(work, ChStr2(buffer));
 343                         }
 344                     }
 345                     break;
 346                 case oMoveWindow:
 347                     if (n_opt > 1) {
 348                         for (col = 0; col < length; col += n_opt) {
 349                             col2 = ColOf(buffer, col, margin);
 350                             MvWAddNStr(work, row, col2, ChStr2(buffer + col),
 351                                        LEN(col));
 352                         }
 353                     } else {
 354                         MvWAddStr(work, row, col2, ChStr2(buffer));
 355                     }
 356                     break;
 357                 }
 358
 359                 /* do the corresponding single-character add */
 360                 row2 = limit + row;
 361                 for (col = 0; col < length; ++col) {
 362                     col2 = ColOf(buffer, col, margin);
 363                     switch (option) {
 364                     case oDefault:
 365                         if (move(row2, col2) != ERR) {
 366                             AddCh(UChar(buffer[col]));
 367                         }
 368                         break;
 369                     case oMove:
 370                         MvAddCh(row2, col2, UChar(buffer[col]));
 371                         break;
 372                     case oWindow:
 373                         if (wmove(work, row2, col2) != ERR) {
 374                             WAddCh(work, UChar(buffer[col]));
 375                         }
 376                         break;
 377                     case oMoveWindow:
 378                         MvWAddCh(work, row2, col2, UChar(buffer[col]));
 379                         break;
 380                     }
 381                 }
 382             } else {
 383                 beep();
 384             }
 385             break;
 386         case KEY_BACKSPACE:
 387             ch = '\b';
 388             /* FALLTHRU */
 389         default:
 390             if (ch <= 0 || ch > 255) {
 391                 beep();
 392                 break;
 393             }
 394             buffer[length++] = (char) ch;
 395             buffer[length] = '\0';
 396
 397             /* put the string in, one character at a time */
 398             col = ColOf(buffer, length - 1, margin);
 399             switch (option) {
 400             case oDefault:
 401                 if (move(row, col) != ERR) {
 402                     AddStr(ChStr2(buffer + length - 1));
 403                 }
 404                 break;
 405             case oMove:
 406                 MvAddStr(row, col, ChStr2(buffer + length - 1));
 407                 break;
 408             case oWindow:
 409                 if (wmove(work, row, col) != ERR) {
 410                     WAddStr(work, ChStr2(buffer + length - 1));
 411                 }
 412                 break;
 413             case oMoveWindow:
 414                 MvWAddStr(work, row, col, ChStr2(buffer + length - 1));
 415                 break;
 416             }
 417
 418             /* do the corresponding single-character add */
 419             switch (option) {
 420             case oDefault:
 421                 if (move(limit + row, col) != ERR) {
 422                     AddCh(UChar(ch));
 423                 }
 424                 break;
 425             case oMove:
 426                 MvAddCh(limit + row, col, UChar(ch));
 427                 break;
 428             case oWindow:
 429                 if (wmove(work, limit + row, col) != ERR) {
 430                     WAddCh(work, UChar(ch));
 431                 }
 432                 break;
 433             case oMoveWindow:
 434                 MvWAddCh(work, limit + row, col, UChar(ch));
 435                 break;
 436             }
 437
 438             wnoutrefresh(work);
 439
 440             legend(show, level, option, buffer, length);
 441             wnoutrefresh(show);
 442
 443             doupdate();
 444             break;
 445         }
 446     }
 447     if (level > 0) {
 448         delwin(show);
 449         delwin(work);
 450         delwin(look);
 451     }
 452 }
 453
 454 static void
 455 usage(void)
 456 {
 457     static const char *tbl[] =
 458     {
 459         "Usage: test_addchstr [options]"
 460         ,""
 461         ,"Options:"
 462         ,"  -f FILE read data from given file"
 463         ,"  -n NUM  limit string-adds to NUM bytes on ^N replay"
 464         ,"  -m      perform wmove/move separately from add-functions"
 465         ,"  -p      pass-thru control characters without using unctrl()"
 466         ,"  -w      use window-parameter even when stdscr would be implied"
 467     };
 468     unsigned n;
 469     for (n = 0; n < SIZEOF(tbl); ++n)
 470         fprintf(stderr, "%s\n", tbl[n]);
 471     ExitProgram(EXIT_FAILURE);
 472 }
 473
 474 int
 475 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 476 {
 477     int ch;
 478
 479     setlocale(LC_ALL, "");
 480
 481     while ((ch = getopt(argc, argv, "f:mn:pw")) != -1) {
 482         switch (ch) {
 483         case 'f':
 484             init_linedata(optarg);
 485             break;
 486         case 'm':
 487             m_opt = TRUE;
 488             break;
 489         case 'n':
 490             n_opt = atoi(optarg);
 491             if (n_opt == 0)
 492                 n_opt = -1;
 493             break;
 494         case 'p':
 495             pass_ctls = TRUE;
 496             break;
 497         case 'w':
 498             w_opt = TRUE;
 499             break;
 500         default:
 501             usage();
 502             break;
 503         }
 504     }
 505     if (optind < argc)
 506         usage();
 507
 508     test_adds(0);
 509     endwin();
 510     ExitProgram(EXIT_SUCCESS);
 511 }