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

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  28 /*
  29  * $Id: test_addstr.c,v 1.6 2010/12/12 00:17:37 tom Exp $
  30  *
  31  * Demonstrate the waddstr() and waddch functions.
  32  * Thomas Dickey - 2009/9/12
  33  */
  34
  35 #include <test.priv.h>
  36
  37 #include <linedata.h>
  38
  39 #define AddNStr    addnstr
  40 #define AddStr     addstr
  41 #define MvAddNStr  (void) mvaddnstr
  42 #define MvWAddNStr (void) mvwaddnstr
  43 #define WAddNStr   waddnstr
  44 #define WAddStr    waddstr
  45
  46 #define AddCh      addch
  47 #define WAddCh     waddch
  48
  49 #define MY_TABSIZE 8
  50
  51 typedef enum {
  52     oDefault = 0,
  53     oMove = 1,
  54     oWindow = 2,
  55     oMoveWindow = 3
  56 } Options;
  57
  58 static bool m_opt = FALSE;
  59 static bool w_opt = FALSE;
  60 static int n_opt = -1;
  61
  62 static void
  63 legend(WINDOW *win, int level, Options state, char *buffer, int length)
  64 {
  65     const char *showstate;
  66
  67     switch (state) {
  68     default:
  69     case oDefault:
  70         showstate = "";
  71         break;
  72     case oMove:
  73         showstate = " (mvXXX)";
  74         break;
  75     case oWindow:
  76         showstate = " (winXXX)";
  77         break;
  78     case oMoveWindow:
  79         showstate = " (mvwinXXX)";
  80         break;
  81     }
  82
  83     wmove(win, 0, 0);
  84     wprintw(win,
  85             "The Strings/Chars displays should match.  Enter any characters, except:\n");
  86     wprintw(win,
  87             "down-arrow or ^N to repeat on next line, ^W for inner window, ESC to exit.\n");
  88     wclrtoeol(win);
  89     wprintw(win, "Level %d,%s added %d characters <%s>", level,
  90             showstate, length, buffer);
  91 }
  92
  93 static int
  94 ColOf(char *buffer, int length, int margin)
  95 {
  96     int n;
  97     int result;
  98
  99     for (n = 0, result = margin + 1; n < length; ++n) {
 100         int ch = UChar(buffer[n]);
 101         switch (ch) {
 102         case '\n':
 103             /* actually newline should clear the remainder of the line
 104              * and move to the next line - but that seems a little awkward
 105              * in this example.
 106              */
 107         case '\r':
 108             result = 0;
 109             break;
 110         case '\b':
 111             if (result > 0)
 112                 --result;
 113             break;
 114         case '\t':
 115             result += (MY_TABSIZE - (result % MY_TABSIZE));
 116             break;
 117         case '\177':
 118             result += 2;
 119             break;
 120         default:
 121             ++result;
 122             if (ch < 32)
 123                 ++result;
 124             break;
 125         }
 126     }
 127     return result;
 128 }
 129
 130 #define LEN(n) ((length - (n) > n_opt) ? n_opt : (length - (n)))
 131 static void
 132 test_adds(int level)
 133 {
 134     static bool first = TRUE;
 135
 136     int ch;
 137     int limit;
 138     int row = 1;
 139     int col;
 140     int row2, col2;
 141     int length;
 142     char buffer[BUFSIZ];
 143     WINDOW *look = 0;
 144     WINDOW *work = 0;
 145     WINDOW *show = 0;
 146     int margin = (2 * MY_TABSIZE) - 1;
 147     Options option = (Options) ((unsigned) (m_opt
 148                                             ? oMove
 149                                             : oDefault)
 150                                 | (unsigned) ((w_opt || (level > 0))
 151                                               ? oWindow
 152                                               : oDefault));
 153
 154     if (first) {
 155         static char cmd[80];
 156         setlocale(LC_ALL, "");
 157
 158         putenv(strcpy(cmd, "TABSIZE=8"));
 159
 160         initscr();
 161         (void) cbreak();        /* take input chars one at a time, no wait for \n */
 162         (void) noecho();        /* don't echo input */
 163         keypad(stdscr, TRUE);
 164     }
 165
 166     limit = LINES - 5;
 167     if (level > 0) {
 168         look = newwin(limit, COLS - (2 * (level - 1)), 0, level - 1);
 169         work = newwin(limit - 2, COLS - (2 * level), 1, level);
 170         show = newwin(4, COLS, limit + 1, 0);
 171         box(look, 0, 0);
 172         wnoutrefresh(look);
 173         limit -= 2;
 174     } else {
 175         work = stdscr;
 176         show = derwin(stdscr, 4, COLS, limit + 1, 0);
 177     }
 178     keypad(work, TRUE);
 179
 180     for (col = margin + 1; col < COLS; col += MY_TABSIZE)
 181         MvWVLine(work, row, col, '.', limit - 2);
 182
 183     MvWVLine(work, row, margin, ACS_VLINE, limit - 2);
 184     MvWVLine(work, row, margin + 1, ACS_VLINE, limit - 2);
 185     limit /= 2;
 186
 187     MvWAddStr(work, 1, 2, "String");
 188     MvWAddStr(work, limit + 1, 2, "Chars");
 189     wnoutrefresh(work);
 190
 191     buffer[length = 0] = '\0';
 192     legend(show, level, option, buffer, length);
 193     wnoutrefresh(show);
 194
 195     doupdate();
 196
 197     /*
 198      * Show the characters added in color, to distinguish from those that
 199      * are shifted.
 200      */
 201     if (has_colors()) {
 202         start_color();
 203         init_pair(1, COLOR_WHITE, COLOR_BLUE);
 204         wbkgdset(work, COLOR_PAIR(1) | ' ');
 205     }
 206
 207     while ((ch = read_linedata(work)) != ERR && !isQUIT(ch)) {
 208         wmove(work, row, margin + 1);
 209         switch (ch) {
 210         case key_RECUR:
 211             test_adds(level + 1);
 212
 213             touchwin(look);
 214             touchwin(work);
 215             touchwin(show);
 216
 217             wnoutrefresh(look);
 218             wnoutrefresh(work);
 219             wnoutrefresh(show);
 220
 221             doupdate();
 222             break;
 223         case key_NEWLINE:
 224             if (row < limit) {
 225                 ++row;
 226                 /* put the whole string in, all at once */
 227                 col2 = margin + 1;
 228                 switch (option) {
 229                 case oDefault:
 230                     if (n_opt > 1) {
 231                         for (col = 0; col < length; col += n_opt) {
 232                             col2 = ColOf(buffer, col, margin);
 233                             if (move(row, col2) != ERR) {
 234                                 AddNStr(buffer + col, LEN(col));
 235                             }
 236                         }
 237                     } else {
 238                         if (move(row, col2) != ERR) {
 239                             AddStr(buffer);
 240                         }
 241                     }
 242                     break;
 243                 case oMove:
 244                     if (n_opt > 1) {
 245                         for (col = 0; col < length; col += n_opt) {
 246                             col2 = ColOf(buffer, col, margin);
 247                             MvAddNStr(row, col2, buffer + col, LEN(col));
 248                         }
 249                     } else {
 250                         MvAddStr(row, col2, buffer);
 251                     }
 252                     break;
 253                 case oWindow:
 254                     if (n_opt > 1) {
 255                         for (col = 0; col < length; col += n_opt) {
 256                             col2 = ColOf(buffer, col, margin);
 257                             if (wmove(work, row, col2) != ERR) {
 258                                 WAddNStr(work, buffer + col, LEN(col));
 259                             }
 260                         }
 261                     } else {
 262                         if (wmove(work, row, col2) != ERR) {
 263                             WAddStr(work, buffer);
 264                         }
 265                     }
 266                     break;
 267                 case oMoveWindow:
 268                     if (n_opt > 1) {
 269                         for (col = 0; col < length; col += n_opt) {
 270                             col2 = ColOf(buffer, col, margin);
 271                             MvWAddNStr(work, row, col2, buffer + col, LEN(col));
 272                         }
 273                     } else {
 274                         MvWAddStr(work, row, col2, buffer);
 275                     }
 276                     break;
 277                 }
 278
 279                 /* do the corresponding single-character add */
 280                 row2 = limit + row;
 281                 for (col = 0; col < length; ++col) {
 282                     col2 = ColOf(buffer, col, margin);
 283                     switch (option) {
 284                     case oDefault:
 285                         if (move(row2, col2) != ERR) {
 286                             AddCh(UChar(buffer[col]));
 287                         }
 288                         break;
 289                     case oMove:
 290                         MvAddCh(row2, col2, UChar(buffer[col]));
 291                         break;
 292                     case oWindow:
 293                         if (wmove(work, row2, col2) != ERR) {
 294                             WAddCh(work, UChar(buffer[col]));
 295                         }
 296                         break;
 297                     case oMoveWindow:
 298                         MvWAddCh(work, row2, col2, UChar(buffer[col]));
 299                         break;
 300                     }
 301                 }
 302             } else {
 303                 beep();
 304             }
 305             break;
 306         default:
 307             if (ch <= 0 || ch > 255) {
 308                 beep();
 309                 break;
 310             }
 311             buffer[length++] = (char) ch;
 312             buffer[length] = '\0';
 313
 314             /* put the string in, one character at a time */
 315             col = ColOf(buffer, length - 1, margin);
 316             switch (option) {
 317             case oDefault:
 318                 if (move(row, col) != ERR) {
 319                     AddStr(buffer + length - 1);
 320                 }
 321                 break;
 322             case oMove:
 323                 MvAddStr(row, col, buffer + length - 1);
 324                 break;
 325             case oWindow:
 326                 if (wmove(work, row, col) != ERR) {
 327                     WAddStr(work, buffer + length - 1);
 328                 }
 329                 break;
 330             case oMoveWindow:
 331                 MvWAddStr(work, row, col, buffer + length - 1);
 332                 break;
 333             }
 334
 335             /* do the corresponding single-character add */
 336             switch (option) {
 337             case oDefault:
 338                 if (move(limit + row, col) != ERR) {
 339                     AddCh(UChar(ch));
 340                 }
 341                 break;
 342             case oMove:
 343                 MvAddCh(limit + row, col, UChar(ch));
 344                 break;
 345             case oWindow:
 346                 if (wmove(work, limit + row, col) != ERR) {
 347                     WAddCh(work, UChar(ch));
 348                 }
 349                 break;
 350             case oMoveWindow:
 351                 MvWAddCh(work, limit + row, col, UChar(ch));
 352                 break;
 353             }
 354
 355             wnoutrefresh(work);
 356
 357             legend(show, level, option, buffer, length);
 358             wnoutrefresh(show);
 359
 360             doupdate();
 361             break;
 362         }
 363     }
 364     if (level > 0) {
 365         delwin(show);
 366         delwin(work);
 367         delwin(look);
 368     }
 369 }
 370
 371 static void
 372 usage(void)
 373 {
 374     static const char *tbl[] =
 375     {
 376         "Usage: test_addstr [options]"
 377         ,""
 378         ,"Options:"
 379         ,"  -f FILE read data from given file"
 380         ,"  -n NUM  limit string-adds to NUM bytes on ^N replay"
 381         ,"  -m      perform wmove/move separately from add-functions"
 382         ,"  -w      use window-parameter even when stdscr would be implied"
 383     };
 384     unsigned n;
 385     for (n = 0; n < SIZEOF(tbl); ++n)
 386         fprintf(stderr, "%s\n", tbl[n]);
 387     ExitProgram(EXIT_FAILURE);
 388 }
 389
 390 int
 391 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 392 {
 393     int ch;
 394
 395     setlocale(LC_ALL, "");
 396
 397     while ((ch = getopt(argc, argv, "f:mn:w")) != -1) {
 398         switch (ch) {
 399         case 'f':
 400             init_linedata(optarg);
 401             break;
 402         case 'm':
 403             m_opt = TRUE;
 404             break;
 405         case 'n':
 406             n_opt = atoi(optarg);
 407             if (n_opt == 0)
 408                 n_opt = -1;
 409             break;
 410         case 'w':
 411             w_opt = TRUE;
 412             break;
 413         default:
 414             usage();
 415             break;
 416         }
 417     }
 418     if (optind < argc)
 419         usage();
 420
 421     test_adds(0);
 422     endwin();
 423     ExitProgram(EXIT_SUCCESS);
 424 }