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/***************************************************************************
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menu.c - description
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-------------------
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Copyright : (C) 2004-2025 by Leaflet
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Email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "bbs.h"
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#include "bbs_cmd.h"
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#include "user_priv.h"
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#include "bbs_cmd.h"
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#include "menu.h"
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#include "log.h"
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#include "io.h"
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#include "screen.h"
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#include "common.h"
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/shm.h>
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#include <sys/ipc.h>
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#define MENU_SCREEN_PATH_PREFIX "var/MENU_SCR_"
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#define MENU_CONF_DELIM_WITH_SPACE " ,\t\r\n"
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#define MENU_CONF_DELIM_WITHOUT_SPACE "\r\n"
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#define MENU_SET_RESERVED_LENGTH (sizeof(int16_t) * 4)
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MENU_SET *p_bbs_menu;
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int load_menu(MENU_SET *p_menu_set, const char *conf_file)
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{
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FILE *fin;
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int fin_line = 0;
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char buffer[LINE_BUFFER_LEN];
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char temp[LINE_BUFFER_LEN];
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char *p = NULL;
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char *q = NULL;
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char *saveptr = NULL;
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MENU *p_menu = NULL;
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MENU_ITEM *p_menu_item = NULL;
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MENU_SCREEN *p_screen = NULL;
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MENU_ID menu_id;
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MENU_ITEM_ID menu_item_id;
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MENU_SCREEN_ID screen_id;
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int proj_id;
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key_t key;
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size_t size;
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// Use trie_dict to search menu_id by menu name
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p_menu_set->p_menu_name_dict = trie_dict_create();
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if (p_menu_set->p_menu_name_dict == NULL)
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{
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log_error("trie_dict_create() error\n");
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return -3;
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}
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// Use trie_dict to search screen_id by menu screen name
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p_menu_set->p_menu_screen_dict = trie_dict_create();
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if (p_menu_set->p_menu_screen_dict == NULL)
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{
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log_error("trie_dict_create() error\n");
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return -3;
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}
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if ((fin = fopen(conf_file, "r")) == NULL)
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{
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log_error("Open %s failed", conf_file);
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return -2;
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}
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// Allocate shared memory
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proj_id = (int)(time(NULL) % getpid());
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key = ftok(conf_file, proj_id);
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if (key == -1)
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{
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log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id, errno);
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return -2;
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}
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size = MENU_SET_RESERVED_LENGTH +
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sizeof(MENU) * MAX_MENUS +
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sizeof(MENU_ITEM) * MAX_MENUITEMS +
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sizeof(MENU_SCREEN) * MAX_MENUS +
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MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS;
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p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600);
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if (p_menu_set->shmid == -1)
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{
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log_error("shmget(size = %d) error (%d)\n", size, errno);
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return -3;
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}
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p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, 0);
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if (p_menu_set->p_reserved == (void *)-1)
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{
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log_error("shmat() error (%d)\n", errno);
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return -3;
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}
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p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;
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p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;
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p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;
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p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;
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p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
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p_menu_set->menu_count = 0;
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p_menu_set->menu_item_count = 0;
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p_menu_set->menu_screen_count = 0;
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p_menu_set->choose_step = 0;
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p_menu_set->menu_id_path[0] = 0;
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while (fgets(buffer, sizeof(buffer), fin))
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{
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fin_line++;
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p = strtok_r(buffer, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (p == NULL) // Blank line
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{
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continue;
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}
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if (*p == '#' || *p == '\r' || *p == '\n') // Comment or blank line
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{
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continue;
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}
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if (*p == '%')
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{
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p++;
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if (strcmp(p, "menu") == 0) // BEGIN of sub-menu
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{
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if (p_menu != NULL)
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{
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log_error("Incomplete menu definition in menu config line %d\n", fin_line);
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return -1;
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}
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if (p_menu_set->menu_count >= MAX_MENUS)
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{
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log_error("Menu count (%d) exceed limit (%d)\n", p_menu_set->menu_count, MAX_MENUS);
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return -3;
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}
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menu_id = (MENU_ID)p_menu_set->menu_count;
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p_menu_set->menu_count++;
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p_menu = get_menu_by_id(p_menu_set, menu_id);
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p_menu->item_count = 0;
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p_menu->title.show = 0;
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p_menu->screen_show = 0;
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q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (q == NULL)
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{
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log_error("Error menu name in menu config line %d\n", fin_line);
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return -1;
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}
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p = q;
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while (isalnum(*q) || *q == '_')
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{
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q++;
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}
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if (*q != '\0')
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{
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log_error("Error menu name in menu config line %d\n", fin_line);
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return -1;
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}
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if (q - p > sizeof(p_menu->name) - 1)
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{
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log_error("Too longer menu name in menu config line %d\n", fin_line);
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return -1;
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}
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strncpy(p_menu->name, p, sizeof(p_menu->name) - 1);
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p_menu->name[sizeof(p_menu->name) - 1] = '\0';
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if (trie_dict_set(p_menu_set->p_menu_name_dict, p_menu->name, (int64_t)menu_id) != 1)
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{
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log_error("Error set menu dict [%s]\n", p_menu->name);
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}
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// Check syntax
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q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (q != NULL)
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{
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log_error("Unknown extra content in menu config line %d\n", fin_line);
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return -1;
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}
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while (fgets(buffer, sizeof(buffer), fin))
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{
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fin_line++;
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p = strtok_r(buffer, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (p == NULL) // Blank line
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{
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continue;
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}
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if (*p == '#' || *p == '\r' || *p == '\n') // Comment or blank line
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{
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continue;
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}
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if (*p == '%') // END of sub-menu
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{
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p_menu = NULL;
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break;
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}
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else if (*p == '!' || *p == '@')
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{
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// BEGIN of menu item
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if (p_menu->item_count >= MAX_ITEMS_PER_MENU)
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{
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log_error("Menuitem count per menu (%d) exceed limit (%d)\n", p_menu->item_count, MAX_ITEMS_PER_MENU);
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return -1;
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}
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if (p_menu_set->menu_item_count >= MAX_MENUITEMS)
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{
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log_error("Menuitem count (%d) exceed limit (%d)\n", p_menu_set->menu_item_count, MAX_MENUITEMS);
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return -3;
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}
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menu_item_id = (MENU_ITEM_ID)p_menu_set->menu_item_count;
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p_menu_set->menu_item_count++;
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p_menu->items[p_menu->item_count] = menu_item_id;
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p_menu->item_count++;
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p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
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p_menu_item->submenu = (*p == '!' ? 1 : 0);
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// Menu item action
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p++;
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if (strcmp(p, "..") == 0) // Return to parent menu
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{
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q = p + 2; // strlen("..")
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}
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else
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{
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| 252 |
q = p;
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| 253 |
while (isalnum(*q) || *q == '_')
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{
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q++;
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}
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if (*q != '\0')
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{
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log_error("Error menu item action in menu config line %d\n", fin_line);
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return -1;
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}
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}
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| 264 |
if (q - p > sizeof(p_menu_item->action) - 1)
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{
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log_error("Too longer menu action in menu config line %d\n", fin_line);
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return -1;
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}
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strncpy(p_menu_item->action, p, sizeof(p_menu_item->action) - 1);
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p_menu_item->action[sizeof(p_menu_item->action) - 1] = '\0';
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| 271 |
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// Menu item row
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q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (q == NULL)
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{
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log_error("Error menu item row in menu config line %d\n", fin_line);
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return -1;
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}
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p = q;
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while (isdigit(*q))
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{
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q++;
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}
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if (*q != '\0')
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{
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log_error("Error menu item row in menu config line %d\n", fin_line);
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return -1;
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}
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p_menu_item->row = (int16_t)atoi(p);
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// Menu item col
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q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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if (q == NULL)
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{
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log_error("Error menu item col in menu config line %d\n", fin_line);
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return -1;
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}
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| 298 |
p = q;
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| 299 |
while (isdigit(*q))
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{
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q++;
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}
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| 303 |
if (*q != '\0')
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{
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| 305 |
log_error("Error menu item col in menu config line %d\n", fin_line);
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| 306 |
return -1;
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}
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p_menu_item->col = (int16_t)atoi(p);
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| 309 |
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| 310 |
// Menu item priv
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q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
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| 312 |
if (q == NULL)
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{
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| 314 |
log_error("Error menu item priv in menu config line %d\n", fin_line);
|
| 315 |
return -1;
|
| 316 |
}
|
| 317 |
p = q;
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| 318 |
while (isdigit(*q))
|
| 319 |
{
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| 320 |
q++;
|
| 321 |
}
|
| 322 |
if (*q != '\0')
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| 323 |
{
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| 324 |
log_error("Error menu item priv in menu config line %d\n", fin_line);
|
| 325 |
return -1;
|
| 326 |
}
|
| 327 |
p_menu_item->priv = atoi(p);
|
| 328 |
|
| 329 |
// Menu item level
|
| 330 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 331 |
if (q == NULL)
|
| 332 |
{
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| 333 |
log_error("Error menu item level in menu config line %d\n", fin_line);
|
| 334 |
return -1;
|
| 335 |
}
|
| 336 |
p = q;
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| 337 |
while (isdigit(*q))
|
| 338 |
{
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| 339 |
q++;
|
| 340 |
}
|
| 341 |
if (*q != '\0')
|
| 342 |
{
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| 343 |
log_error("Error menu item level in menu config line %d\n", fin_line);
|
| 344 |
return -1;
|
| 345 |
}
|
| 346 |
p_menu_item->level = atoi(p);
|
| 347 |
|
| 348 |
// Menu item name
|
| 349 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 350 |
if (q == NULL || *q != '\"')
|
| 351 |
{
|
| 352 |
log_error("Error menu item name in menu config line %d\n", fin_line);
|
| 353 |
return -1;
|
| 354 |
}
|
| 355 |
q++;
|
| 356 |
p = q;
|
| 357 |
while (*q != '\0' && *q != '\"')
|
| 358 |
{
|
| 359 |
q++;
|
| 360 |
}
|
| 361 |
if (*q != '\"' || *(q + 1) != '\0')
|
| 362 |
{
|
| 363 |
log_error("Error menu item name in menu config line %d\n", fin_line);
|
| 364 |
return -1;
|
| 365 |
}
|
| 366 |
*q = '\0';
|
| 367 |
|
| 368 |
if (q - p > sizeof(p_menu_item->name) - 1)
|
| 369 |
{
|
| 370 |
log_error("Too longer menu name in menu config line %d\n", fin_line);
|
| 371 |
return -1;
|
| 372 |
}
|
| 373 |
strncpy(p_menu_item->name, p, sizeof(p_menu_item->name) - 1);
|
| 374 |
p_menu_item->name[sizeof(p_menu_item->name) - 1] = '\0';
|
| 375 |
|
| 376 |
// Menu item text
|
| 377 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITHOUT_SPACE, &saveptr);
|
| 378 |
if (q == NULL || (q = strchr(q, '\"')) == NULL)
|
| 379 |
{
|
| 380 |
log_error("Error menu item text in menu config line %d\n", fin_line);
|
| 381 |
return -1;
|
| 382 |
}
|
| 383 |
q++;
|
| 384 |
p = q;
|
| 385 |
while (*q != '\0' && *q != '\"')
|
| 386 |
{
|
| 387 |
q++;
|
| 388 |
}
|
| 389 |
if (*q != '\"')
|
| 390 |
{
|
| 391 |
log_error("Error menu item text in menu config line %d\n", fin_line);
|
| 392 |
return -1;
|
| 393 |
}
|
| 394 |
*q = '\0';
|
| 395 |
|
| 396 |
if (q - p > sizeof(p_menu_item->text) - 1)
|
| 397 |
{
|
| 398 |
log_error("Too longer menu item text in menu config line %d\n", fin_line);
|
| 399 |
return -1;
|
| 400 |
}
|
| 401 |
strncpy(p_menu_item->text, p, sizeof(p_menu_item->text) - 1);
|
| 402 |
p_menu_item->text[sizeof(p_menu_item->text) - 1] = '\0';
|
| 403 |
|
| 404 |
// Check syntax
|
| 405 |
q = strtok_r(q + 1, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 406 |
if (q != NULL)
|
| 407 |
{
|
| 408 |
log_error("Unknown extra content in menu config line %d\n", fin_line);
|
| 409 |
return -1;
|
| 410 |
}
|
| 411 |
}
|
| 412 |
else if (strcmp(p, "title") == 0)
|
| 413 |
{
|
| 414 |
p_menu->title.show = 1;
|
| 415 |
|
| 416 |
// Menu title row
|
| 417 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 418 |
if (q == NULL)
|
| 419 |
{
|
| 420 |
log_error("Error menu title row in menu config line %d\n", fin_line);
|
| 421 |
return -1;
|
| 422 |
}
|
| 423 |
p = q;
|
| 424 |
while (isdigit(*q))
|
| 425 |
{
|
| 426 |
q++;
|
| 427 |
}
|
| 428 |
if (*q != '\0')
|
| 429 |
{
|
| 430 |
log_error("Error menu title row in menu config line %d\n", fin_line);
|
| 431 |
return -1;
|
| 432 |
}
|
| 433 |
p_menu->title.row = (int16_t)atoi(p);
|
| 434 |
|
| 435 |
// Menu title col
|
| 436 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 437 |
if (q == NULL)
|
| 438 |
{
|
| 439 |
log_error("Error menu title col in menu config line %d\n", fin_line);
|
| 440 |
return -1;
|
| 441 |
}
|
| 442 |
p = q;
|
| 443 |
while (isdigit(*q))
|
| 444 |
{
|
| 445 |
q++;
|
| 446 |
}
|
| 447 |
if (*q != '\0')
|
| 448 |
{
|
| 449 |
log_error("Error menu title col in menu config line %d\n", fin_line);
|
| 450 |
return -1;
|
| 451 |
}
|
| 452 |
p_menu->title.col = (int16_t)atoi(p);
|
| 453 |
|
| 454 |
// Menu title text
|
| 455 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITHOUT_SPACE, &saveptr);
|
| 456 |
if (q == NULL || (q = strchr(q, '\"')) == NULL)
|
| 457 |
{
|
| 458 |
log_error("Error menu title text in menu config line %d\n", fin_line);
|
| 459 |
return -1;
|
| 460 |
}
|
| 461 |
q++;
|
| 462 |
p = q;
|
| 463 |
while (*q != '\0' && *q != '\"')
|
| 464 |
{
|
| 465 |
q++;
|
| 466 |
}
|
| 467 |
if (*q != '\"')
|
| 468 |
{
|
| 469 |
log_error("Error menu title text in menu config line %d\n", fin_line);
|
| 470 |
return -1;
|
| 471 |
}
|
| 472 |
*q = '\0';
|
| 473 |
|
| 474 |
if (q - p > sizeof(p_menu_item->text) - 1)
|
| 475 |
{
|
| 476 |
log_error("Too longer menu title text in menu config line %d\n", fin_line);
|
| 477 |
return -1;
|
| 478 |
}
|
| 479 |
strncpy(p_menu->title.text, p, sizeof(p_menu->title.text) - 1);
|
| 480 |
p_menu->title.text[sizeof(p_menu->title.text) - 1] = '\0';
|
| 481 |
|
| 482 |
// Check syntax
|
| 483 |
q = strtok_r(q + 1, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 484 |
if (q != NULL)
|
| 485 |
{
|
| 486 |
log_error("Unknown extra content in menu config line %d\n", fin_line);
|
| 487 |
return -1;
|
| 488 |
}
|
| 489 |
}
|
| 490 |
else if (strcmp(p, "screen") == 0)
|
| 491 |
{
|
| 492 |
p_menu->screen_show = 1;
|
| 493 |
|
| 494 |
// Menu screen row
|
| 495 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 496 |
if (q == NULL)
|
| 497 |
{
|
| 498 |
log_error("Error menu screen row in menu config line %d\n", fin_line);
|
| 499 |
return -1;
|
| 500 |
}
|
| 501 |
p = q;
|
| 502 |
while (isdigit(*q))
|
| 503 |
{
|
| 504 |
q++;
|
| 505 |
}
|
| 506 |
if (*q != '\0')
|
| 507 |
{
|
| 508 |
log_error("Error menu screen row in menu config line %d\n", fin_line);
|
| 509 |
return -1;
|
| 510 |
}
|
| 511 |
p_menu->screen_row = (int16_t)atoi(p);
|
| 512 |
|
| 513 |
// Menu screen col
|
| 514 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 515 |
if (q == NULL)
|
| 516 |
{
|
| 517 |
log_error("Error menu screen col in menu config line %d\n", fin_line);
|
| 518 |
return -1;
|
| 519 |
}
|
| 520 |
p = q;
|
| 521 |
while (isdigit(*q))
|
| 522 |
{
|
| 523 |
q++;
|
| 524 |
}
|
| 525 |
if (*q != '\0')
|
| 526 |
{
|
| 527 |
log_error("Error menu screen col in menu config line %d\n", fin_line);
|
| 528 |
return -1;
|
| 529 |
}
|
| 530 |
p_menu->screen_col = (int16_t)atoi(p);
|
| 531 |
|
| 532 |
// Menu screen name
|
| 533 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 534 |
if (q == NULL)
|
| 535 |
{
|
| 536 |
log_error("Error menu screen name in menu config line %d\n", fin_line);
|
| 537 |
return -1;
|
| 538 |
}
|
| 539 |
p = q;
|
| 540 |
while (isalnum(*q) || *q == '_')
|
| 541 |
{
|
| 542 |
q++;
|
| 543 |
}
|
| 544 |
if (*q != '\0')
|
| 545 |
{
|
| 546 |
log_error("Error menu screen name in menu config line %d\n", fin_line);
|
| 547 |
return -1;
|
| 548 |
}
|
| 549 |
if (trie_dict_get(p_menu_set->p_menu_screen_dict, p, (int64_t *)&screen_id) != 1)
|
| 550 |
{
|
| 551 |
log_error("Undefined menu screen [%s]\n", p);
|
| 552 |
return -1;
|
| 553 |
}
|
| 554 |
p_menu->screen_id = screen_id;
|
| 555 |
|
| 556 |
// Check syntax
|
| 557 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 558 |
if (q != NULL)
|
| 559 |
{
|
| 560 |
log_error("Unknown extra content in menu config line %d\n", fin_line);
|
| 561 |
return -1;
|
| 562 |
}
|
| 563 |
}
|
| 564 |
}
|
| 565 |
}
|
| 566 |
else // BEGIN of menu screen
|
| 567 |
{
|
| 568 |
if (p_menu_set->menu_item_count >= MAX_MENUS)
|
| 569 |
{
|
| 570 |
log_error("Menu screen count (%d) exceed limit (%d)\n", p_menu_set->menu_screen_count, MAX_MENUS);
|
| 571 |
return -3;
|
| 572 |
}
|
| 573 |
screen_id = (MENU_SCREEN_ID)p_menu_set->menu_screen_count;
|
| 574 |
p_menu_set->menu_screen_count++;
|
| 575 |
|
| 576 |
p_screen = get_menu_screen_by_id(p_menu_set, screen_id);
|
| 577 |
|
| 578 |
q = p;
|
| 579 |
while (isalnum(*q) || *q == '_')
|
| 580 |
{
|
| 581 |
q++;
|
| 582 |
}
|
| 583 |
if (*q != '\0')
|
| 584 |
{
|
| 585 |
log_error("Error menu screen name in menu config line %d\n", fin_line);
|
| 586 |
return -1;
|
| 587 |
}
|
| 588 |
strncpy(p_screen->name, p, sizeof(p_screen->name) - 1);
|
| 589 |
p_screen->name[sizeof(p_screen->name) - 1] = '\0';
|
| 590 |
|
| 591 |
if (trie_dict_set(p_menu_set->p_menu_screen_dict, p_screen->name, (int64_t)screen_id) != 1)
|
| 592 |
{
|
| 593 |
log_error("Error set menu screen dict [%s]\n", p_screen->name);
|
| 594 |
}
|
| 595 |
|
| 596 |
// Check syntax
|
| 597 |
q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 598 |
if (q != NULL)
|
| 599 |
{
|
| 600 |
log_error("Unknown extra content in menu config line %d\n", fin_line);
|
| 601 |
return -1;
|
| 602 |
}
|
| 603 |
|
| 604 |
p_screen->buf_offset = p_menu_set->p_menu_screen_buf_free - p_menu_set->p_menu_screen_buf;
|
| 605 |
p_screen->buf_length = -1;
|
| 606 |
|
| 607 |
// safety appending boundary
|
| 608 |
q = p_menu_set->p_menu_screen_buf + MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS - 1;
|
| 609 |
|
| 610 |
while (fgets(buffer, sizeof(buffer), fin))
|
| 611 |
{
|
| 612 |
fin_line++;
|
| 613 |
|
| 614 |
strncpy(temp, buffer, sizeof(temp) - 1); // Duplicate line for strtok_r
|
| 615 |
temp[sizeof(temp) - 1] = '\0';
|
| 616 |
p = strtok_r(temp, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
|
| 617 |
if (p != NULL && *p == '%') // END of menu screen
|
| 618 |
{
|
| 619 |
if (p_menu_set->p_menu_screen_buf_free + 1 > q)
|
| 620 |
{
|
| 621 |
log_error("Menu screen buffer depleted (%p + 1 > %p)\n", p_menu_set->p_menu_screen_buf_free, q);
|
| 622 |
return -3;
|
| 623 |
}
|
| 624 |
|
| 625 |
*(p_menu_set->p_menu_screen_buf_free) = '\0';
|
| 626 |
p_menu_set->p_menu_screen_buf_free++;
|
| 627 |
p_screen->buf_length = p_menu_set->p_menu_screen_buf_free - p_menu_set->p_menu_screen_buf - p_screen->buf_offset;
|
| 628 |
break;
|
| 629 |
}
|
| 630 |
|
| 631 |
p = buffer;
|
| 632 |
while (*p != '\0')
|
| 633 |
{
|
| 634 |
if (p_menu_set->p_menu_screen_buf_free + 2 > q)
|
| 635 |
{
|
| 636 |
log_error("Menu screen buffer depleted (%p + 2 > %p)\n", p_menu_set->p_menu_screen_buf_free, q);
|
| 637 |
return -3;
|
| 638 |
}
|
| 639 |
|
| 640 |
if (*p == '\n' && p > buffer && *(p - 1) != '\r')
|
| 641 |
{
|
| 642 |
*(p_menu_set->p_menu_screen_buf_free) = '\r';
|
| 643 |
p_menu_set->p_menu_screen_buf_free++;
|
| 644 |
}
|
| 645 |
|
| 646 |
*(p_menu_set->p_menu_screen_buf_free) = *p;
|
| 647 |
p++;
|
| 648 |
p_menu_set->p_menu_screen_buf_free++;
|
| 649 |
}
|
| 650 |
}
|
| 651 |
|
| 652 |
if (p_screen->buf_length == -1)
|
| 653 |
{
|
| 654 |
log_error("End of menu screen [%s] not found\n", p_screen->name);
|
| 655 |
}
|
| 656 |
}
|
| 657 |
}
|
| 658 |
else // Invalid prefix
|
| 659 |
{
|
| 660 |
log_error("Error in menu config line %d\n", fin_line);
|
| 661 |
return -1;
|
| 662 |
}
|
| 663 |
}
|
| 664 |
fclose(fin);
|
| 665 |
|
| 666 |
// Set menu_item->action_menu_id of each menu item pointing to a submenu to the menu_id of the corresponding submenu
|
| 667 |
for (menu_item_id = 0; menu_item_id < p_menu_set->menu_item_count; menu_item_id++)
|
| 668 |
{
|
| 669 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 670 |
if (p_menu_item->submenu == 1 && strcmp(p_menu_item->action, "..") != 0)
|
| 671 |
{
|
| 672 |
if (trie_dict_get(p_menu_set->p_menu_name_dict, p_menu_item->action, (int64_t *)&menu_id) != 1)
|
| 673 |
{
|
| 674 |
log_error("Undefined menu action [%s]\n", p_menu_item->action);
|
| 675 |
return -1;
|
| 676 |
}
|
| 677 |
p_menu_item->action_menu_id = menu_id;
|
| 678 |
}
|
| 679 |
}
|
| 680 |
|
| 681 |
// Save status varaibles into reserved memory area
|
| 682 |
*((int16_t *)p_menu_set->p_reserved) = p_menu_set->menu_count;
|
| 683 |
*(((int16_t *)p_menu_set->p_reserved) + 1) = p_menu_set->menu_item_count;
|
| 684 |
*(((int16_t *)p_menu_set->p_reserved) + 2) = p_menu_set->menu_screen_count;
|
| 685 |
|
| 686 |
return 0;
|
| 687 |
}
|
| 688 |
|
| 689 |
static int display_menu_cursor(MENU_SET *p_menu_set, int show)
|
| 690 |
{
|
| 691 |
MENU_ID menu_id;
|
| 692 |
MENU_ITEM_ID menu_item_id;
|
| 693 |
MENU *p_menu;
|
| 694 |
MENU_ITEM *p_menu_item;
|
| 695 |
int16_t menu_item_pos;
|
| 696 |
|
| 697 |
menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
|
| 698 |
p_menu = get_menu_by_id(p_menu_set, menu_id);
|
| 699 |
if (p_menu == NULL)
|
| 700 |
{
|
| 701 |
log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
|
| 702 |
return -1;
|
| 703 |
}
|
| 704 |
|
| 705 |
menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
|
| 706 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 707 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 708 |
if (p_menu_item == NULL)
|
| 709 |
{
|
| 710 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 711 |
return -1;
|
| 712 |
}
|
| 713 |
|
| 714 |
moveto(p_menu_item->r_row, p_menu_item->r_col - 2);
|
| 715 |
outc(show ? '>' : ' ');
|
| 716 |
iflush();
|
| 717 |
|
| 718 |
return 0;
|
| 719 |
}
|
| 720 |
|
| 721 |
int display_menu(MENU_SET *p_menu_set)
|
| 722 |
{
|
| 723 |
int16_t row = 0;
|
| 724 |
int16_t col = 0;
|
| 725 |
int menu_selectable = 0;
|
| 726 |
MENU_ID menu_id;
|
| 727 |
MENU_ITEM_ID menu_item_id;
|
| 728 |
MENU *p_menu;
|
| 729 |
MENU_ITEM *p_menu_item;
|
| 730 |
MENU_SCREEN *p_menu_screen;
|
| 731 |
int16_t menu_item_pos;
|
| 732 |
|
| 733 |
menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
|
| 734 |
p_menu = get_menu_by_id(p_menu_set, menu_id);
|
| 735 |
if (p_menu == NULL)
|
| 736 |
{
|
| 737 |
log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
|
| 738 |
return -1;
|
| 739 |
}
|
| 740 |
|
| 741 |
menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
|
| 742 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 743 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 744 |
if (p_menu_item == NULL)
|
| 745 |
{
|
| 746 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 747 |
return -1;
|
| 748 |
}
|
| 749 |
|
| 750 |
if (menu_item_pos > 0 &&
|
| 751 |
checkpriv(&BBS_priv, 0, p_menu_item->priv) != 0 &&
|
| 752 |
checklevel(&BBS_priv, p_menu_item->level) != 0)
|
| 753 |
{
|
| 754 |
menu_selectable = 1;
|
| 755 |
}
|
| 756 |
|
| 757 |
if (p_menu->title.show)
|
| 758 |
{
|
| 759 |
show_top(p_menu->title.text);
|
| 760 |
}
|
| 761 |
|
| 762 |
if (p_menu->screen_show)
|
| 763 |
{
|
| 764 |
p_menu_screen = get_menu_screen_by_id(p_menu_set, p_menu->screen_id);
|
| 765 |
if (p_menu_screen == NULL)
|
| 766 |
{
|
| 767 |
log_error("get_menu_screen_by_id(%d) return NULL pointer\n", p_menu->screen_id);
|
| 768 |
return -1;
|
| 769 |
}
|
| 770 |
|
| 771 |
moveto(p_menu->screen_row, p_menu->screen_col);
|
| 772 |
prints("%s", p_menu_set->p_menu_screen_buf + p_menu_screen->buf_offset);
|
| 773 |
iflush();
|
| 774 |
}
|
| 775 |
|
| 776 |
for (int16_t i = 0; i < p_menu->item_count; i++)
|
| 777 |
{
|
| 778 |
menu_item_id = p_menu->items[i];
|
| 779 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 780 |
|
| 781 |
if (p_menu_item->row != 0)
|
| 782 |
{
|
| 783 |
row = p_menu_item->row;
|
| 784 |
}
|
| 785 |
if (p_menu_item->col != 0)
|
| 786 |
{
|
| 787 |
col = p_menu_item->col;
|
| 788 |
}
|
| 789 |
|
| 790 |
if (checkpriv(&BBS_priv, 0, p_menu_item->priv) == 0 || checklevel(&BBS_priv, p_menu_item->level) == 0)
|
| 791 |
{
|
| 792 |
p_menu_item->display = 0;
|
| 793 |
p_menu_item->r_row = 0;
|
| 794 |
p_menu_item->r_col = 0;
|
| 795 |
}
|
| 796 |
else
|
| 797 |
{
|
| 798 |
p_menu_item->display = 1;
|
| 799 |
|
| 800 |
if (!menu_selectable)
|
| 801 |
{
|
| 802 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = i;
|
| 803 |
menu_selectable = 1;
|
| 804 |
}
|
| 805 |
|
| 806 |
p_menu_item->r_row = row;
|
| 807 |
p_menu_item->r_col = col;
|
| 808 |
|
| 809 |
moveto(row, col);
|
| 810 |
prints("%s", p_menu_item->text);
|
| 811 |
|
| 812 |
row++;
|
| 813 |
}
|
| 814 |
}
|
| 815 |
|
| 816 |
if (!menu_selectable)
|
| 817 |
{
|
| 818 |
return -1;
|
| 819 |
}
|
| 820 |
|
| 821 |
display_menu_cursor(p_menu_set, 1);
|
| 822 |
|
| 823 |
return 0;
|
| 824 |
}
|
| 825 |
|
| 826 |
int menu_control(MENU_SET *p_menu_set, int key)
|
| 827 |
{
|
| 828 |
MENU_ID menu_id;
|
| 829 |
MENU_ITEM_ID menu_item_id;
|
| 830 |
MENU *p_menu;
|
| 831 |
MENU_ITEM *p_menu_item;
|
| 832 |
int16_t menu_item_pos;
|
| 833 |
|
| 834 |
if (p_menu_set->menu_count == 0)
|
| 835 |
{
|
| 836 |
return 0;
|
| 837 |
}
|
| 838 |
|
| 839 |
menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
|
| 840 |
p_menu = get_menu_by_id(p_menu_set, menu_id);
|
| 841 |
if (p_menu == NULL)
|
| 842 |
{
|
| 843 |
log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
|
| 844 |
return -1;
|
| 845 |
}
|
| 846 |
|
| 847 |
if (p_menu->item_count == 0)
|
| 848 |
{
|
| 849 |
return 0;
|
| 850 |
}
|
| 851 |
|
| 852 |
menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
|
| 853 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 854 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 855 |
if (p_menu_item == NULL)
|
| 856 |
{
|
| 857 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 858 |
return -1;
|
| 859 |
}
|
| 860 |
|
| 861 |
switch (key)
|
| 862 |
{
|
| 863 |
case CR:
|
| 864 |
igetch_reset();
|
| 865 |
case KEY_RIGHT:
|
| 866 |
if (p_menu_item->submenu)
|
| 867 |
{
|
| 868 |
if (strcmp(p_menu_item->action, "..") == 0)
|
| 869 |
{
|
| 870 |
return menu_control(p_menu_set, KEY_LEFT);
|
| 871 |
}
|
| 872 |
p_menu_set->choose_step++;
|
| 873 |
p_menu_set->menu_id_path[p_menu_set->choose_step] = p_menu_item->action_menu_id;
|
| 874 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = 0;
|
| 875 |
|
| 876 |
if (display_menu(p_menu_set) != 0)
|
| 877 |
{
|
| 878 |
return menu_control(p_menu_set, KEY_LEFT);
|
| 879 |
}
|
| 880 |
}
|
| 881 |
else
|
| 882 |
{
|
| 883 |
return (exec_cmd(p_menu_item->action, p_menu_item->name));
|
| 884 |
}
|
| 885 |
break;
|
| 886 |
case KEY_LEFT:
|
| 887 |
if (p_menu_set->choose_step > 0)
|
| 888 |
{
|
| 889 |
p_menu_set->choose_step--;
|
| 890 |
if (display_menu(p_menu_set) != 0)
|
| 891 |
{
|
| 892 |
return menu_control(p_menu_set, KEY_LEFT);
|
| 893 |
}
|
| 894 |
}
|
| 895 |
else
|
| 896 |
{
|
| 897 |
display_menu_cursor(p_menu_set, 0);
|
| 898 |
menu_item_pos = p_menu->item_count - 1;
|
| 899 |
while (menu_item_pos >= 0)
|
| 900 |
{
|
| 901 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 902 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 903 |
if (p_menu_item == NULL)
|
| 904 |
{
|
| 905 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 906 |
return -1;
|
| 907 |
}
|
| 908 |
|
| 909 |
if (!p_menu_item->display || p_menu_item->priv != 0 || p_menu_item->level != 0)
|
| 910 |
{
|
| 911 |
menu_item_pos--;
|
| 912 |
}
|
| 913 |
else
|
| 914 |
{
|
| 915 |
break;
|
| 916 |
}
|
| 917 |
}
|
| 918 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
|
| 919 |
display_menu_cursor(p_menu_set, 1);
|
| 920 |
}
|
| 921 |
break;
|
| 922 |
case KEY_UP:
|
| 923 |
display_menu_cursor(p_menu_set, 0);
|
| 924 |
do
|
| 925 |
{
|
| 926 |
menu_item_pos--;
|
| 927 |
if (menu_item_pos < 0)
|
| 928 |
{
|
| 929 |
menu_item_pos = p_menu->item_count - 1;
|
| 930 |
}
|
| 931 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 932 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 933 |
if (p_menu_item == NULL)
|
| 934 |
{
|
| 935 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 936 |
return -1;
|
| 937 |
}
|
| 938 |
} while (!p_menu_item->display);
|
| 939 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
|
| 940 |
display_menu_cursor(p_menu_set, 1);
|
| 941 |
break;
|
| 942 |
case KEY_DOWN:
|
| 943 |
display_menu_cursor(p_menu_set, 0);
|
| 944 |
do
|
| 945 |
{
|
| 946 |
menu_item_pos++;
|
| 947 |
if (menu_item_pos >= p_menu->item_count)
|
| 948 |
{
|
| 949 |
menu_item_pos = 0;
|
| 950 |
}
|
| 951 |
menu_item_id = p_menu->items[menu_item_pos];
|
| 952 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 953 |
if (p_menu_item == NULL)
|
| 954 |
{
|
| 955 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 956 |
return -1;
|
| 957 |
}
|
| 958 |
} while (!p_menu_item->display);
|
| 959 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
|
| 960 |
display_menu_cursor(p_menu_set, 1);
|
| 961 |
break;
|
| 962 |
default:
|
| 963 |
if (isalnum(key))
|
| 964 |
{
|
| 965 |
for (int16_t i = 0; i < p_menu->item_count; i++)
|
| 966 |
{
|
| 967 |
menu_item_id = p_menu->items[i];
|
| 968 |
p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
|
| 969 |
if (p_menu_item == NULL)
|
| 970 |
{
|
| 971 |
log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
|
| 972 |
return -1;
|
| 973 |
}
|
| 974 |
|
| 975 |
if (toupper(key) == toupper(p_menu_item->name[0]) && p_menu_item->display)
|
| 976 |
{
|
| 977 |
display_menu_cursor(p_menu_set, 0);
|
| 978 |
p_menu_set->menu_item_pos[p_menu_set->choose_step] = i;
|
| 979 |
display_menu_cursor(p_menu_set, 1);
|
| 980 |
return 0;
|
| 981 |
}
|
| 982 |
}
|
| 983 |
}
|
| 984 |
break;
|
| 985 |
}
|
| 986 |
|
| 987 |
return 0;
|
| 988 |
}
|
| 989 |
|
| 990 |
int unload_menu(MENU_SET *p_menu_set)
|
| 991 |
{
|
| 992 |
if (p_menu_set->p_menu_name_dict != NULL)
|
| 993 |
{
|
| 994 |
trie_dict_destroy(p_menu_set->p_menu_name_dict);
|
| 995 |
p_menu_set->p_menu_name_dict = NULL;
|
| 996 |
}
|
| 997 |
|
| 998 |
if (p_menu_set->p_menu_screen_dict != NULL)
|
| 999 |
{
|
| 1000 |
trie_dict_destroy(p_menu_set->p_menu_screen_dict);
|
| 1001 |
p_menu_set->p_menu_screen_dict = NULL;
|
| 1002 |
}
|
| 1003 |
|
| 1004 |
unload_menu_shm(p_menu_set);
|
| 1005 |
|
| 1006 |
if (shmctl(p_menu_set->shmid, IPC_RMID, NULL) == -1)
|
| 1007 |
{
|
| 1008 |
log_error("shmctl(shmid=%d, IPC_RMID) error (%d)\n", p_menu_set->shmid, errno);
|
| 1009 |
return -1;
|
| 1010 |
}
|
| 1011 |
|
| 1012 |
return 0;
|
| 1013 |
}
|
| 1014 |
|
| 1015 |
int load_menu_shm(MENU_SET *p_menu_set)
|
| 1016 |
{
|
| 1017 |
// Mount shared memory
|
| 1018 |
p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, SHM_RDONLY);
|
| 1019 |
if (p_menu_set->p_reserved == (void *)-1)
|
| 1020 |
{
|
| 1021 |
log_error("shmat() error (%d)\n", errno);
|
| 1022 |
return -3;
|
| 1023 |
}
|
| 1024 |
p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;
|
| 1025 |
p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;
|
| 1026 |
p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;
|
| 1027 |
p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;
|
| 1028 |
p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
|
| 1029 |
|
| 1030 |
// Restore status varaibles into reserved memory area
|
| 1031 |
p_menu_set->menu_count = *((int16_t *)p_menu_set->p_reserved);
|
| 1032 |
p_menu_set->menu_item_count = *(((int16_t *)p_menu_set->p_reserved) + 1);
|
| 1033 |
p_menu_set->menu_screen_count = *(((int16_t *)p_menu_set->p_reserved) + 2);
|
| 1034 |
|
| 1035 |
p_menu_set->choose_step = 0;
|
| 1036 |
p_menu_set->menu_id_path[0] = 0;
|
| 1037 |
|
| 1038 |
p_menu_set->p_menu_name_dict = NULL;
|
| 1039 |
p_menu_set->p_menu_screen_dict = NULL;
|
| 1040 |
|
| 1041 |
return 0;
|
| 1042 |
}
|
| 1043 |
|
| 1044 |
int unload_menu_shm(MENU_SET *p_menu_set)
|
| 1045 |
{
|
| 1046 |
p_menu_set->menu_count = 0;
|
| 1047 |
p_menu_set->menu_item_count = 0;
|
| 1048 |
p_menu_set->menu_screen_count = 0;
|
| 1049 |
p_menu_set->choose_step = 0;
|
| 1050 |
|
| 1051 |
p_menu_set->p_menu_pool = NULL;
|
| 1052 |
p_menu_set->p_menu_item_pool = NULL;
|
| 1053 |
p_menu_set->p_menu_screen_pool = NULL;
|
| 1054 |
p_menu_set->p_menu_screen_buf = NULL;
|
| 1055 |
p_menu_set->p_menu_screen_buf_free = NULL;
|
| 1056 |
|
| 1057 |
if (shmdt(p_menu_set->p_reserved) == -1)
|
| 1058 |
{
|
| 1059 |
log_error("shmdt() error (%d)\n", errno);
|
| 1060 |
return -1;
|
| 1061 |
}
|
| 1062 |
|
| 1063 |
p_menu_set->p_reserved = NULL;
|
| 1064 |
|
| 1065 |
return 0;
|
| 1066 |
}
|
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