.. _program_listing_file_gui_Request.hpp:

Program Listing for File Request.hpp
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_gui_Request.hpp>` (``gui/Request.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <stdarg.h>
   #include <stdio.h>
   #include <string.h>
   #include <unistd.h>
   
   typedef enum {
     MAP_SIZE,
     TILE_CONTENT,
     MAP_CONTENT,
     TEAM_NAMES,
     PLAYER_POSITION,
     PLAYER_LEVEL,
     PLAYER_INVENTORY,
     TIME_UNIT,
     TIME_UNIT_MODIFICATION
   } cmd_t;
   
   typedef struct {
     cmd_t key;
     char *value;
   } request_t;
   
   static const request_t REQUEST[] = {
     {MAP_SIZE, "msz"},
     {TILE_CONTENT, "bct %lu %lu"},
     {MAP_CONTENT, "mct"},  // content of the map (all the tiles)
     {TEAM_NAMES, "tna"},
     {PLAYER_POSITION, "ppo #%i"},
     {PLAYER_LEVEL, "plv #%i"},
     {PLAYER_INVENTORY, "pin #%i"},
     {TIME_UNIT, "sgt"},
     {TIME_UNIT_MODIFICATION, "sst %d"}};
   
   #define REQUEST_POOL_SIZE (int)(sizeof(REQUEST) / sizeof(request_t))
   #define REQUEST_LENGTH_MAX 4096
   
   static inline void commit(int fd, cmd_t code, ...)
   {
     va_list list;
     char *tmp = NULL;
     static char resp[REQUEST_LENGTH_MAX];
     char format[REQUEST_LENGTH_MAX];
     size_t len;
   
     for (int i = 0; i < REQUEST_POOL_SIZE; i++)
       if (REQUEST[i].key == code)
         tmp = REQUEST[i].value;
     if (tmp == NULL)
       return;
     va_start(list, code);
     snprintf(format, REQUEST_LENGTH_MAX, "%d %s\r\n", code, tmp);
     len = vsnprintf(resp, REQUEST_LENGTH_MAX, format, list);
     va_end(list);
     write(fd, resp, len);
   }