src/io-dump/dump-remover.cpp

   1 #include "io-dump/dump-remover.h"
   2 #include "io-dump/dump-util.h"
   3 #include "io/read-pref-file.h"
   4 #include "term/z-form.h"
   5 #include "util/angband-files.h"
   6
   7 /*!
   8  * @brief prefファイルを選択して処理する /
   9  * Ask for a "user pref line" and process it
  10  * @brief prf出力内容を消去する /
  11  * Remove old lines automatically generated before.
  12  * @param orig_file 消去を行うファイル名
  13  * @param auto_dump_mark 出力するヘッダマーク
  14  */
  15 void remove_auto_dump(concptr orig_file, concptr auto_dump_mark)
  16 {
  17     char buf[1024];
  18     bool between_mark = false;
  19     bool changed = false;
  20     int line_num = 0;
  21     long header_location = 0;
  22     char header_mark_str[80];
  23     char footer_mark_str[80];
  24
  25     strnfmt(header_mark_str, sizeof(header_mark_str), auto_dump_header, auto_dump_mark);
  26     strnfmt(footer_mark_str, sizeof(footer_mark_str), auto_dump_footer, auto_dump_mark);
  27     size_t mark_len = strlen(footer_mark_str);
  28
  29     FILE *orig_fff;
  30     orig_fff = angband_fopen(orig_file, "r");
  31     if (!orig_fff) {
  32         return;
  33     }
  34
  35     FILE *tmp_fff = nullptr;
  36     char tmp_file[FILE_NAME_SIZE];
  37     if (!open_temporary_file(&tmp_fff, tmp_file)) {
  38         return;
  39     }
  40
  41     while (true) {
  42         if (angband_fgets(orig_fff, buf, sizeof(buf))) {
  43             if (between_mark) {
  44                 fseek(orig_fff, header_location, SEEK_SET);
  45                 between_mark = false;
  46                 continue;
  47             } else {
  48                 break;
  49             }
  50         }
  51
  52         if (!between_mark) {
  53             if (!strcmp(buf, header_mark_str)) {
  54                 header_location = ftell(orig_fff);
  55                 line_num = 0;
  56                 between_mark = true;
  57                 changed = true;
  58             } else {
  59                 fprintf(tmp_fff, "%s\n", buf);
  60             }
  61
  62             continue;
  63         }
  64
  65         if (!strncmp(buf, footer_mark_str, mark_len)) {
  66             int tmp;
  67             if (!sscanf(buf + mark_len, " (%d)", &tmp) || tmp != line_num) {
  68                 fseek(orig_fff, header_location, SEEK_SET);
  69             }
  70
  71             between_mark = false;
  72             continue;
  73         }
  74
  75         line_num++;
  76     }
  77
  78     angband_fclose(orig_fff);
  79     angband_fclose(tmp_fff);
  80
  81     if (changed) {
  82         tmp_fff = angband_fopen(tmp_file, "r");
  83         orig_fff = angband_fopen(orig_file, "w");
  84         while (!angband_fgets(tmp_fff, buf, sizeof(buf))) {
  85             fprintf(orig_fff, "%s\n", buf);
  86         }
  87
  88         angband_fclose(orig_fff);
  89         angband_fclose(tmp_fff);
  90     }
  91
  92     fd_kill(tmp_file);
  93 }