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/* |
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* Copyright (c) 2022 joshua stein <jcs@jcs.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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|
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#include <stdio.h> |
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#include <string.h> |
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|
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#include "subtext.h" |
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#include "db.h" |
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#include "main_menu.h" |
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|
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struct main_menu_option *main_menu_options = NULL; |
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|
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void |
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main_menu_init(void) |
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{ |
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struct main_menu_option *opts = NULL, *old_opts = NULL; |
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size_t size; |
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char *menu = NULL; |
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bool ok = false; |
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Handle default_menu; |
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|
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size = bile_read_alloc(db->bile, DB_TEXT_TYPE, DB_TEXT_MENU_OPTIONS_ID, |
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&menu); |
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if (size == 0 || menu == NULL) { |
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/* use default menu */ |
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if (menu != NULL) |
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xfree(&menu); |
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default_menu = GetResource('TEXT', MENU_DEFAULTS_ID); |
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if (default_menu == NULL) |
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panic("Failed to find TEXT resource %d", MENU_DEFAULTS_ID); |
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size = GetHandleSize(default_menu); |
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menu = xmalloc(size, "menu copy"); |
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HLock(default_menu); |
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memcpy(menu, *default_menu, size); |
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HUnlock(default_menu); |
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ReleaseResource(default_menu); |
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|
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bile_write(db->bile, DB_TEXT_TYPE, DB_TEXT_MENU_OPTIONS_ID, |
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menu, size); |
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} |
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|
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opts = main_menu_parse(menu, size); |
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free(&menu); |
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if (opts == NULL) { |
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main_menu_edit(); |
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return; |
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} |
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|
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/* swap this atomically */ |
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old_opts = main_menu_options; |
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main_menu_options = opts; |
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if (old_opts != NULL) |
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xfree(&old_opts); |
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} |
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|
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void |
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main_menu_edit(void) |
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{ |
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view_editor_show(DB_TEXT_MENU_OPTIONS_ID, "Edit: Main Menu options"); |
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} |
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|
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struct main_menu_option * |
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main_menu_parse(char *opts, size_t len) |
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{ |
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char *line, *action, *menu_key, *all_keys, *label; |
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size_t n, m, linelen, lastsep, linenum, ret_size; |
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short count, actionid, ret_count; |
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struct main_menu_option *ret = NULL; |
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|
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#define LINESIZE 1024 |
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line = xmalloc(LINESIZE, "parse_menu line"); |
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action = xmalloc(LINESIZE, "parse_menu action"); |
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menu_key = xmalloc(LINESIZE, "parse_menu menu_key"); |
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all_keys = xmalloc(LINESIZE, "parse_menu all_keys"); |
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label = xmalloc(LINESIZE, "parse_menu label"); |
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|
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ret_count = 0; |
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ret_size = 0; |
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|
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for (n = 0, lastsep = 0, linenum = 0; n <= len; n++) { |
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if (!(n == len || opts[n] == '\r')) |
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continue; |
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|
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linenum++; |
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linelen = MIN(n - lastsep, LINESIZE - 1); |
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if (n == len && linelen) |
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linelen--; |
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memcpy(line, opts + lastsep, linelen); |
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line[linelen] = '\0'; |
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lastsep = n + 1; |
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|
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if (line[0] == '\0' || line[0] == '#' || line[0] == '\r') |
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continue; |
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|
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/* BOARD_SHOW_FIRST:B:Bb:Message Board */ |
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|
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/* sscanf won't match %[^:] for an empty section ("A::Aa:aa") */ |
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action[0] = '\0'; |
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for (m = 0; m < linelen; m++) { |
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if (line[m] == ':') { |
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memcpy(action, line, m); |
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action[m] = '\0'; |
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linelen -= m + 1; |
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memmove(line, line + m + 1, linelen + 1); |
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break; |
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} |
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} |
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if (action[0] == '\0') { |
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warn("Error on line %ld: no action found", linenum); |
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ret_count = 0; |
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break; |
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} |
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|
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actionid = ACTION_NONE; |
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if (strcmp(action, "BOARD_SHOW_FIRST") == 0) |
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actionid = ACTION_BOARD_SHOW_FIRST; |
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else if (strcmp(action, "BOARD_SHOW_1") == 0) |
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actionid = ACTION_BOARD_SHOW_1; |
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else if (strcmp(action, "BOARD_SHOW_2") == 0) |
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actionid = ACTION_BOARD_SHOW_2; |
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else if (strcmp(action, "BOARD_SHOW_3") == 0) |
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actionid = ACTION_BOARD_SHOW_3; |
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else if (strcmp(action, "BOARD_SHOW_4") == 0) |
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actionid = ACTION_BOARD_SHOW_4; |
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else if (strcmp(action, "BOARD_SHOW_5") == 0) |
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actionid = ACTION_BOARD_SHOW_5; |
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else if (strcmp(action, "BOARD_SHOW_6") == 0) |
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actionid = ACTION_BOARD_SHOW_6; |
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else if (strcmp(action, "BOARD_SHOW_7") == 0) |
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actionid = ACTION_BOARD_SHOW_7; |
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else if (strcmp(action, "BOARD_SHOW_8") == 0) |
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actionid = ACTION_BOARD_SHOW_8; |
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else if (strcmp(action, "BOARD_SHOW_9") == 0) |
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actionid = ACTION_BOARD_SHOW_9; |
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else if (strcmp(action, "BOARD_SHOW_10") == 0) |
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actionid = ACTION_BOARD_SHOW_10; |
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else if (strcmp(action, "CHAT") == 0) |
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actionid = ACTION_CHAT; |
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else if (strcmp(action, "FILES_MENU") == 0) |
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actionid = ACTION_FILES_MENU; |
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else if (strcmp(action, "GOODBYE") == 0) |
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actionid = ACTION_GOODBYE; |
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else if (strcmp(action, "RECENT_LOGINS") == 0) |
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actionid = ACTION_RECENT_LOGINS; |
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else if (strcmp(action, "MAIL_COMPOSE") == 0) |
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actionid = ACTION_MAIL_COMPOSE; |
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else if (strcmp(action, "MAIL_MENU") == 0) |
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actionid = ACTION_MAIL_MENU; |
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else if (strcmp(action, "MOTD") == 0) |
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actionid = ACTION_MOTD; |
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else if (strcmp(action, "PAGE_SEND_OR_ANSWER") == 0) |
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actionid = ACTION_PAGE_SEND_OR_ANSWER; |
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else if (strcmp(action, "SETTINGS_OR_SIGNUP") == 0) |
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actionid = ACTION_SETTINGS_OR_SIGNUP; |
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else if (strcmp(action, "SHOW_MENU") == 0) |
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actionid = ACTION_SHOW_MENU; |
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else if (strcmp(action, "SYSOP_MENU") == 0) |
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actionid = ACTION_SYSOP_MENU; |
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else if (strcmp(action, "WHOS_ONLINE") == 0) |
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actionid = ACTION_WHOS_ONLINE; |
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else { |
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warn("Error on line %ld: invalid action \"%s\"", linenum, |
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action); |
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ret_count = 0; |
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break; |
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} |
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|
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menu_key[0] = '\0'; |
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for (m = 0; m < linelen; m++) { |
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if (line[m] == ':') { |
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memcpy(menu_key, line, m); |
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menu_key[m] = '\0'; |
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linelen -= m + 1; |
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memmove(line, line + m + 1, linelen + 1); |
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break; |
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} |
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} |
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/* menu_key can be 1 or 0 characters */ |
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if (strlen(menu_key) > 1) { |
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warn("Error on line %ld: Menu Key can only be 1 character", |
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linenum); |
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ret_count = 0; |
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break; |
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} |
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|
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all_keys[0] = '\0'; |
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for (m = 0; m < linelen; m++) { |
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if (line[m] == ':') { |
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memcpy(all_keys, line, m); |
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all_keys[m] = '\0'; |
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linelen -= m + 1; |
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memmove(line, line + m + 1, linelen + 1); |
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break; |
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} |
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} |
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if (all_keys[0] == '\0') { |
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warn("Error on line %ld: All Keys field cannot be empty", |
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linenum); |
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ret_count = 0; |
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break; |
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} |
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|
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if (line[0] == '\0') { |
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warn("Error on line %ld: Label cannot be empty", |
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linenum); |
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ret_count = 0; |
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break; |
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} |
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strlcpy(label, line, LINESIZE); |
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|
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EXPAND_TO_FIT(ret, ret_size, |
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sizeof(struct main_menu_option) * ret_count, |
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sizeof(struct main_menu_option), 4); |
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|
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ret[ret_count].action = actionid; |
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ret[ret_count].menu_key = menu_key[0]; |
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strlcpy(ret[ret_count].all_keys, all_keys, |
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sizeof(ret[ret_count].all_keys)); |
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strlcpy(ret[ret_count].label, label, sizeof(ret[ret_count].label)); |
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ret_count++; |
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} |
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|
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xfree(&line); |
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xfree(&action); |
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xfree(&menu_key); |
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xfree(&all_keys); |
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xfree(&label); |
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|
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if (ret_count == 0) { |
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xfree(&ret); |
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return NULL; |
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} |
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|
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EXPAND_TO_FIT(ret, ret_size, |
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sizeof(struct main_menu_option) * ret_count, |
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sizeof(struct main_menu_option), 1); |
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|
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ret[ret_count].action = ACTION_NONE; |
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ret[ret_count].menu_key = 0; |
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ret[ret_count].all_keys[0] = '\0'; |
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ret[ret_count].label[0] = '\0'; |
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|
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return ret; |
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#undef LINESIZE |
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} |