src/core/show-file.c

   1 #include "core/show-file.h"
   2 #include "core/asking-player.h"
   3 #include "io/files-util.h"
   4 #include "io/input-key-acceptor.h"
   5 #include "main/sound-of-music.h"
   6 #include "system/angband-version.h"
   7 #include "term/gameterm.h"
   8 #include "term/screen-processor.h"
   9 #include "term/term-color-types.h"
  10 #include "util/angband-files.h"
  11 #include "util/int-char-converter.h"
  12 #include "util/string-processor.h"
  13 #include "view/display-messages.h"
  14
  15 /*!
  16  * todo 表示とそれ以外を分割する
  17  * @brief ファイル内容の一行をコンソールに出力する
  18  * Display single line of on-line help file
  19  * @param str 出力する文字列
  20  * @param cy コンソールの行
  21  * @param shower 確認中
  22  * @return なし
  23  * @details
  24  * <pre>
  25  * You can insert some special color tag to change text color.
  26  * Such as...
  27  * WHITETEXT [[[[y|SOME TEXT WHICH IS DISPLAYED IN YELLOW| WHITETEXT
  28  * A colored segment is between "[[[[y|" and the last "|".
  29  * You can use any single character in place of the "|".
  30  * </pre>
  31  */
  32 static void show_file_aux_line(concptr str, int cy, concptr shower)
  33 {
  34         char lcstr[1024];
  35         if (shower)
  36         {
  37                 strcpy(lcstr, str);
  38                 str_tolower(lcstr);
  39         }
  40
  41         int cx = 0;
  42         term_gotoxy(cx, cy);
  43
  44         static const char tag_str[] = "[[[[";
  45         byte color = TERM_WHITE;
  46         char in_tag = '\0';
  47         for (int i = 0; str[i];)
  48         {
  49                 int len = strlen(&str[i]);
  50                 int showercol = len + 1;
  51                 int bracketcol = len + 1;
  52                 int endcol = len;
  53                 concptr ptr;
  54                 if (shower)
  55                 {
  56                         ptr = angband_strstr(&lcstr[i], shower);
  57                         if (ptr) showercol = ptr - &lcstr[i];
  58                 }
  59
  60                 ptr = in_tag ? angband_strchr(&str[i], in_tag) : angband_strstr(&str[i], tag_str);
  61                 if (ptr) bracketcol = ptr - &str[i];
  62                 if (bracketcol < endcol) endcol = bracketcol;
  63                 if (showercol < endcol) endcol = showercol;
  64
  65                 term_addstr(endcol, color, &str[i]);
  66                 cx += endcol;
  67                 i += endcol;
  68
  69                 if (shower && endcol == showercol)
  70                 {
  71                         int showerlen = strlen(shower);
  72                         term_addstr(showerlen, TERM_YELLOW, &str[i]);
  73                         cx += showerlen;
  74                         i += showerlen;
  75                         continue;
  76                 }
  77
  78                 if (endcol != bracketcol) continue;
  79
  80                 if (in_tag)
  81                 {
  82                         i++;
  83                         in_tag = '\0';
  84                         color = TERM_WHITE;
  85                         continue;
  86                 }
  87
  88                 i += sizeof(tag_str) - 1;
  89                 color = color_char_to_attr(str[i]);
  90                 if (color == 255 || str[i + 1] == '\0')
  91                 {
  92                         color = TERM_WHITE;
  93                         term_addstr(-1, TERM_WHITE, tag_str);
  94                         cx += sizeof(tag_str) - 1;
  95                         continue;
  96                 }
  97
  98                 i++;
  99                 in_tag = str[i];
 100                 i++;
 101         }
 102
 103         term_erase(cx, cy, 255);
 104 }
 105
 106
 107 /*!
 108  * todo 表示とそれ以外を分割する
 109  * @brief ファイル内容をコンソールに出力する
 110  * Recursive file perusal.
 111  * @param creature_ptr プレーヤーへの参照ポインタ
 112  * @param show_version TRUEならばコンソール上にゲームのバージョンを表示する
 113  * @param name ファイル名の文字列
 114  * @param what 内容キャプションの文字列
 115  * @param line 表示の現在行
 116  * @param mode オプション
 117  * @return なし
 118  * @details
 119  * <pre>
 120  * Process various special text in the input file, including
 121  * the "menu" structures used by the "help file" system.
 122  * Return FALSE on 'q' to exit from a deep, otherwise TRUE.
 123  * </pre>
 124  */
 125 bool show_file(player_type *creature_ptr, bool show_version, concptr name, concptr what, int line, BIT_FLAGS mode)
 126 {
 127         int wid, hgt;
 128         term_get_size(&wid, &hgt);
 129
 130         char finder_str[81];
 131         strcpy(finder_str, "");
 132
 133         char shower_str[81];
 134         strcpy(shower_str, "");
 135
 136         char caption[128];
 137         strcpy(caption, "");
 138
 139         char hook[68][32];
 140         for (int i = 0; i < 68; i++)
 141         {
 142                 hook[i][0] = '\0';
 143         }
 144
 145         char filename[1024];
 146         strcpy(filename, name);
 147         int n = strlen(filename);
 148
 149         concptr tag = NULL;
 150         for (int i = 0; i < n; i++)
 151         {
 152                 if (filename[i] == '#')
 153                 {
 154                         filename[i] = '\0';
 155                         tag = filename + i + 1;
 156                         break;
 157                 }
 158         }
 159
 160         name = filename;
 161         FILE *fff = NULL;
 162         char path[1024];
 163         if (what)
 164         {
 165                 strcpy(caption, what);
 166                 strcpy(path, name);
 167                 fff = angband_fopen(path, "r");
 168         }
 169
 170         if (!fff)
 171         {
 172                 sprintf(caption, _("ヘルプ・ファイル'%s'", "Help file '%s'"), name);
 173                 path_build(path, sizeof(path), ANGBAND_DIR_HELP, name);
 174                 fff = angband_fopen(path, "r");
 175         }
 176
 177         if (!fff)
 178         {
 179                 sprintf(caption, _("スポイラー・ファイル'%s'", "Info file '%s'"), name);
 180                 path_build(path, sizeof(path), ANGBAND_DIR_INFO, name);
 181                 fff = angband_fopen(path, "r");
 182         }
 183
 184         if (!fff)
 185         {
 186                 path_build(path, sizeof(path), ANGBAND_DIR, name);
 187
 188                 for (int i = 0; path[i]; i++)
 189                         if ('\\' == path[i])
 190                                 path[i] = PATH_SEP[0];
 191
 192                 sprintf(caption, _("スポイラー・ファイル'%s'", "Info file '%s'"), name);
 193                 fff = angband_fopen(path, "r");
 194         }
 195
 196         if (!fff)
 197         {
 198                 msg_format(_("'%s'をオープンできません。", "Cannot open '%s'."), name);
 199                 msg_print(NULL);
 200
 201                 return TRUE;
 202         }
 203
 204         int skey;
 205         int next = 0;
 206         int size = 0;
 207         int back = 0;
 208         bool menu = FALSE;
 209         char buf[1024];
 210         bool reverse = (line < 0);
 211         while (TRUE)
 212         {
 213                 char *str = buf;
 214                 if (angband_fgets(fff, buf, sizeof(buf))) break;
 215                 if (!prefix(str, "***** "))
 216                 {
 217                         next++;
 218                         continue;
 219                 }
 220
 221                 if ((str[6] == '[') && isalpha(str[7]))
 222                 {
 223                         int k = str[7] - 'A';
 224                         menu = TRUE;
 225                         if ((str[8] == ']') && (str[9] == ' '))
 226                         {
 227                                 strncpy(hook[k], str + 10, 31);
 228                                 hook[k][31] = '\0';
 229                         }
 230
 231                         continue;
 232                 }
 233
 234                 if (str[6] != '<') continue;
 235
 236                 size_t len = strlen(str);
 237                 if (str[len - 1] == '>')
 238                 {
 239                         str[len - 1] = '\0';
 240                         if (tag && streq(str + 7, tag)) line = next;
 241                 }
 242         }
 243
 244         size = next;
 245         int rows = hgt - 4;
 246         if (line == -1)
 247                 line = ((size - 1) / rows)*rows;
 248
 249         term_clear();
 250
 251         concptr find = NULL;
 252         while (TRUE)
 253         {
 254                 if (line >= size - rows)
 255                         line = size - rows;
 256                 if (line < 0) line = 0;
 257
 258                 if (next > line)
 259                 {
 260                         angband_fclose(fff);
 261                         fff = angband_fopen(path, "r");
 262                         if (!fff) return FALSE;
 263
 264                         next = 0;
 265                 }
 266
 267                 while (next < line)
 268                 {
 269                         if (angband_fgets(fff, buf, sizeof(buf))) break;
 270                         if (prefix(buf, "***** ")) continue;
 271                         next++;
 272                 }
 273
 274                 int row_count = 0;
 275                 concptr shower = NULL;
 276                 for (int i = 0; i < rows; i++)
 277                 {
 278                         concptr str = buf;
 279                         if (!i) line = next;
 280                         if (angband_fgets(fff, buf, sizeof(buf))) break;
 281                         if (prefix(buf, "***** ")) continue;
 282                         next++;
 283                         if (find && !i)
 284                         {
 285                                 char lc_buf[1024];
 286                                 strcpy(lc_buf, str);
 287                                 str_tolower(lc_buf);
 288                                 if (!angband_strstr(lc_buf, find)) continue;
 289                         }
 290
 291                         find = NULL;
 292                         show_file_aux_line(str, i + 2, shower);
 293                         row_count++;
 294                 }
 295
 296                 while (row_count < rows)
 297                 {
 298                         term_erase(0, row_count + 2, 255);
 299                         row_count++;
 300                 }
 301
 302                 if (find)
 303                 {
 304                         bell();
 305                         line = back;
 306                         find = NULL;
 307                         continue;
 308                 }
 309
 310                 if (show_version)
 311                 {
 312                         prt(format(_("[変愚蛮怒 %d.%d.%d, %s, %d/%d]", "[Hengband %d.%d.%d, %s, Line %d/%d]"),
 313                                 FAKE_VER_MAJOR - 10, FAKE_VER_MINOR, FAKE_VER_PATCH,
 314                                 caption, line, size), 0, 0);
 315                 }
 316                 else
 317                 {
 318                         prt(format(_("[%s, %d/%d]", "[%s, Line %d/%d]"),
 319                                 caption, line, size), 0, 0);
 320                 }
 321
 322                 if (size <= rows)
 323                 {
 324                         prt(_("[キー:(?)ヘルプ (ESC)終了]", "[Press ESC to exit.]"), hgt - 1, 0);
 325                 }
 326                 else
 327                 {
 328 #ifdef JP
 329                         if (reverse)
 330                                 prt("[キー:(RET/スペース)↑ (-)↓ (?)ヘルプ (ESC)終了]", hgt - 1, 0);
 331                         else
 332                                 prt("[キー:(RET/スペース)↓ (-)↑ (?)ヘルプ (ESC)終了]", hgt - 1, 0);
 333 #else
 334                         prt("[Press Return, Space, -, =, /, |, or ESC to exit.]", hgt - 1, 0);
 335 #endif
 336                 }
 337
 338                 skey = inkey_special(TRUE);
 339                 switch (skey)
 340                 {
 341                 case '?':
 342                         if (strcmp(name, _("jhelpinfo.txt", "helpinfo.txt")) != 0)
 343                                 show_file(creature_ptr, TRUE, _("jhelpinfo.txt", "helpinfo.txt"), NULL, 0, mode);
 344                         break;
 345                 case '=':
 346                         prt(_("強調: ", "Show: "), hgt - 1, 0);
 347
 348                         char back_str[81];
 349                         strcpy(back_str, shower_str);
 350                         if (askfor(shower_str, 80))
 351                         {
 352                                 if (shower_str[0])
 353                                 {
 354                                         str_tolower(shower_str);
 355                                         shower = shower_str;
 356                                 }
 357                                 else shower = NULL;
 358                         }
 359                         else strcpy(shower_str, back_str);
 360                         break;
 361
 362                 case '/':
 363                 case KTRL('s'):
 364                         prt(_("検索: ", "Find: "), hgt - 1, 0);
 365                         strcpy(back_str, finder_str);
 366                         if (askfor(finder_str, 80))
 367                         {
 368                                 if (finder_str[0])
 369                                 {
 370                                         find = finder_str;
 371                                         back = line;
 372                                         line = line + 1;
 373                                         str_tolower(finder_str);
 374                                         shower = finder_str;
 375                                 }
 376                                 else shower = NULL;
 377                         }
 378                         else strcpy(finder_str, back_str);
 379                         break;
 380
 381                 case '#':
 382                 {
 383                         char tmp[81];
 384                         prt(_("行: ", "Goto Line: "), hgt - 1, 0);
 385                         strcpy(tmp, "0");
 386
 387                         if (askfor(tmp, 80)) line = atoi(tmp);
 388                         break;
 389                 }
 390
 391                 case SKEY_TOP:
 392                         line = 0;
 393                         break;
 394
 395                 case SKEY_BOTTOM:
 396                         line = ((size - 1) / rows) * rows;
 397                         break;
 398
 399                 case '%':
 400                 {
 401                         char tmp[81];
 402                         prt(_("ファイル・ネーム: ", "Goto File: "), hgt - 1, 0);
 403                         strcpy(tmp, _("jhelp.hlp", "help.hlp"));
 404
 405                         if (askfor(tmp, 80))
 406                         {
 407                                 if (!show_file(creature_ptr, TRUE, tmp, NULL, 0, mode)) skey = 'q';
 408                         }
 409
 410                         break;
 411                 }
 412
 413                 case '-':
 414                         line = line + (reverse ? rows : -rows);
 415                         if (line < 0) line = 0;
 416                         break;
 417
 418                 case SKEY_PGUP:
 419                         line = line - rows;
 420                         if (line < 0) line = 0;
 421                         break;
 422
 423                 case '\n':
 424                 case '\r':
 425                         line = line + (reverse ? -1 : 1);
 426                         if (line < 0) line = 0;
 427                         break;
 428
 429                 case '8':
 430                 case SKEY_UP:
 431                         line--;
 432                         if (line < 0) line = 0;
 433                         break;
 434
 435                 case '2':
 436                 case SKEY_DOWN:
 437                         line++;
 438                         break;
 439
 440                 case ' ':
 441                         line = line + (reverse ? -rows : rows);
 442                         if (line < 0) line = 0;
 443                         break;
 444
 445                 case SKEY_PGDOWN:
 446                         line = line + rows;
 447                         break;
 448                 }
 449
 450                 if (menu)
 451                 {
 452                         int key = -1;
 453                         if (!(skey & SKEY_MASK) && isalpha(skey))
 454                                 key = skey - 'A';
 455
 456                         if ((key > -1) && hook[key][0])
 457                         {
 458                                 /* Recurse on that file */
 459                                 if (!show_file(creature_ptr, TRUE, hook[key], NULL, 0, mode))
 460                                         skey = 'q';
 461                         }
 462                 }
 463
 464                 if (skey == '|')
 465                 {
 466                         FILE *ffp;
 467                         char buff[1024];
 468                         char xtmp[82];
 469
 470                         strcpy(xtmp, "");
 471
 472                         if (!get_string(_("ファイル名: ", "File name: "), xtmp, 80)) continue;
 473                         angband_fclose(fff);
 474                         path_build(buff, sizeof(buff), ANGBAND_DIR_USER, xtmp);
 475
 476                         /* Hack -- Re-Open the file */
 477                         fff = angband_fopen(path, "r");
 478
 479                         ffp = angband_fopen(buff, "w");
 480
 481                         if (!(fff && ffp))
 482                         {
 483                                 msg_print(_("ファイルを開けません。", "Failed to open file."));
 484                                 skey = ESCAPE;
 485                                 break;
 486                         }
 487
 488                         sprintf(xtmp, "%s: %s", creature_ptr->name, what ? what : caption);
 489                         angband_fputs(ffp, xtmp, 80);
 490                         angband_fputs(ffp, "\n", 80);
 491
 492                         while (!angband_fgets(fff, buff, sizeof(buff)))
 493                                 angband_fputs(ffp, buff, 80);
 494                         angband_fclose(fff);
 495                         angband_fclose(ffp);
 496                         fff = angband_fopen(path, "r");
 497                 }
 498
 499                 if ((skey == ESCAPE) || (skey == '<')) break;
 500
 501                 if (skey == KTRL('q')) skey = 'q';
 502
 503                 if (skey == 'q') break;
 504         }
 505
 506         angband_fclose(fff);
 507         return (skey != 'q');
 508 }
 509
 510 /*
 511  * Convert string to lower case
 512  */
 513 void str_tolower(char *str)
 514 {
 515     for (; *str; str++) {
 516 #ifdef JP
 517         if (iskanji(*str)) {
 518             str++;
 519             continue;
 520         }
 521 #endif
 522         *str = (char)tolower(*str);
 523     }
 524 }