#include <stdio.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
 
typedef struct
{
   const char  *screen_name;
   const char  *name;
   const char  *message;
   unsigned int id;
   unsigned int status_id;
   unsigned int date;
   unsigned int timeline;
} My_Message;
 
typedef struct
{
   const char *dm_to;
   const char *message;
} My_Post;
 
typedef struct
{
   unsigned int id;
   const char  *name;
   My_Post     *posts;
   int          posts_count;
} My_Account;
 
typedef struct
{
   unsigned int version; 
} My_Cache;
 
static const char MY_CACHE_FILE_ENTRY[] = "cache";
 
 
 
static void
_my_cache_descriptor_init(void)
{
 
   
   
   
 
 
 
 
   
   
 
#define ADD_BASIC(member, eet_type) \
  EET_DATA_DESCRIPTOR_ADD_BASIC     \
    (_my_message_descriptor, My_Message, # member, member, eet_type)
#undef ADD_BASIC
 
#define ADD_BASIC(member, eet_type) \
  EET_DATA_DESCRIPTOR_ADD_BASIC     \
    (_my_post_descriptor, My_Post, # member, member, eet_type)
#undef ADD_BASIC
 
#define ADD_BASIC(member, eet_type) \
  EET_DATA_DESCRIPTOR_ADD_BASIC     \
    (_my_account_descriptor, My_Account, # member, member, eet_type)
#undef ADD_BASIC
 
     (_my_account_descriptor, My_Account, "messages", messages,
     _my_message_descriptor);
     (_my_account_descriptor, My_Account, "posts", posts,
     _my_post_descriptor);
 
#define ADD_BASIC(member, eet_type) \
  EET_DATA_DESCRIPTOR_ADD_BASIC     \
    (_my_cache_descriptor, My_Cache, # member, member, eet_type)
#undef ADD_BASIC
 
     (_my_cache_descriptor, My_Cache, "accounts", accounts,
     _my_account_descriptor);
} 
 
static void
_my_cache_descriptor_shutdown(void)
{
} 
 
static void
_eet_string_free(const char *str)
{
   if (!str)
     return;
 
     return;
 
} 
 
static My_Message *
_my_message_new(const char *message)
{
   My_Message *msg = calloc(1, sizeof(My_Message));
   if (!msg)
     {
        fprintf(stderr, "ERROR: could not calloc My_Message\n");
        return NULL;
     }
 
   return msg;
} 
 
static void
_my_message_free(My_Message *msg)
{
   _eet_string_free(msg->screen_name);
   _eet_string_free(msg->name);
   _eet_string_free(msg->message);
   free(msg);
} 
 
_my_post_add(My_Account *acc,
             const char *message)
{
   int new_count = acc->posts_count + 1;
   My_Post *post = realloc(acc->posts, new_count * sizeof(My_Post));
   if (!post)
     {
        fprintf(stderr, "ERROR: could add My_Post\n");
     }
 
   post[acc->posts_count].dm_to = NULL;
   acc->posts_count = new_count;
   acc->posts = post;
} 
 
static void
_my_post_free(My_Post *post)
{
   _eet_string_free(post->dm_to);
   _eet_string_free(post->message);
} 
 
static My_Account *
_my_account_new(const char *name)
{
   My_Account *acc = calloc(1, sizeof(My_Account));
   if (!acc)
     {
        fprintf(stderr, "ERROR: could not calloc My_Account\n");
        return NULL;
     }
 
   return acc;
} 
 
static void
_my_account_free(My_Account *acc)
{
   My_Message *m;
   int i;
 
   _eet_string_free(acc->name);
 
     _my_message_free(m);
 
   for (i = 0; i < acc->posts_count; i++)
     _my_post_free(&acc->posts[i]);
   free(acc->posts);
 
   free(acc);
} 
 
static My_Cache *
_my_cache_new(void)
{
   My_Cache *my_cache = calloc(1, sizeof(My_Cache));
   if (!my_cache)
     {
        fprintf(stderr, "ERROR: could not calloc My_Cache\n");
        return NULL;
     }
 
 
   my_cache->version = 1;
   return my_cache;
} 
 
                          void            *data,
{
   _my_account_free(data);
}
 
static void
_my_cache_free(My_Cache *my_cache)
{
   free(my_cache);
} 
 
static My_Account *
_my_cache_account_find(My_Cache   *my_cache,
                       const char *name)
{
} 
 
static My_Cache *
_my_cache_load(const char *filename)
{
   My_Cache *my_cache;
   if (!ef)
     {
        fprintf(stderr, "ERROR: could not open '%s' for read\n", filename);
        return NULL;
     }
 
   my_cache = 
eet_data_read(ef, _my_cache_descriptor, MY_CACHE_FILE_ENTRY);
   if (!my_cache)
     {
        return NULL;
     }
 
   if (my_cache->version < 1)
     {
        fprintf(stderr,
                "WARNING: version %#x was too old, upgrading it to %#x\n",
                my_cache->version, 1);
 
        my_cache->version = 1;
     }
 
   if (_my_cache_file)
 
   _my_cache_file = ef;
 
   return my_cache;
} 
 
_my_cache_save(const My_Cache *my_cache,
               const char     *filename)
{
   char tmp[PATH_MAX];
   unsigned int i, len;
   struct stat st;
 
   if (len + 12 >= (int)sizeof(tmp))
     {
        fprintf(stderr, "ERROR: file name is too big: %s\n", filename);
     }
 
   i = 0;
   do
     {
        snprintf(tmp + len, 12, ".%u", i);
        i++;
     }
   while (stat(tmp, &st) == 0);
 
   if (!ef)
     {
        fprintf(stderr, "ERROR: could not open '%s' for write\n", tmp);
     }
 
       (ef, _my_cache_descriptor, MY_CACHE_FILE_ENTRY, my_cache, 
EINA_TRUE);
 
   
   
   
   
   
   
   
   
 
   if (ret)
     {
        unlink(filename);
        rename(tmp, filename);
     }
 
   return ret;
} 
 
int
main(int   argc,
     char *argv[])
{
   My_Cache *my_cache;
   My_Account *acc;
   int ret = 0;
 
   if (argc < 3)
     {
        fprintf(stderr,
                "Usage:\n\t%s <input> <output> [action] [action-params]\n\n"
                "Where actions and their parameters:\n"
                "\tacc <name>\n"
                "\tpost <account-name> <message>\n"
                "\tmessage <account-name> <message>\n"
                "\n",
                argv[0]);
        return -1;
     }
 
   _my_cache_descriptor_init();
 
   my_cache = _my_cache_load(argv[1]);
   if (!my_cache)
     {
        printf("creating new cache.\n");
        my_cache = _my_cache_new();
        if (!my_cache)
          {
             ret = -2;
             goto end;
          }
     }
 
   if (argc > 3)
     {
        if (strcmp(argv[3], "acc") == 0)
          {
             if (argc == 5)
               {
                  My_Account *acc_ = _my_cache_account_find(my_cache, argv[4]);
                  if (!acc_)
                    {
                       acc_ = _my_account_new(argv[4]);
                    }
                  else
                    fprintf(stderr, "ERROR: account '%s' already exists.\n",
                            argv[4]);
               }
             else
               fprintf(stderr,
                       "ERROR: wrong number of parameters (%d).\n",
                       argc);
          }
        else if (strcmp(argv[3], "post") == 0)
          {
             if (argc == 6)
               {
                  My_Account *acc_ = _my_cache_account_find(my_cache, argv[4]);
                  if (acc_)
                    {
                       _my_post_add(acc_, argv[5]);
                    }
                  else
                    fprintf(stderr, "ERROR: unknown account: '%s'\n", argv[4]);
               }
             else
               fprintf(stderr,
                       "ERROR: wrong number of parameters (%d).\n",
                       argc);
          }
        else if (strcmp(argv[3], "message") == 0)
          {
             if (argc == 6)
               {
                  My_Account *acc_ = _my_cache_account_find(my_cache, argv[4]);
                  if (acc_)
                    {
                       My_Message *msg = _my_message_new(argv[5]);
                    }
                  else
                    fprintf(stderr, "ERROR: unknown account: '%s'\n", argv[4]);
               }
             else
               fprintf(stderr,
                       "ERROR: wrong number of parameters (%d).\n",
                       argc);
          }
        else
          fprintf(stderr, "ERROR: unknown action '%s'\n", argv[2]);
     }
 
   printf("My_Cache:\n"
          "\tversion.: %#x\n"
          "\taccounts: %u\n",
          my_cache->version,
     {
        printf("\t  > %-#8x '%.20s' stats: m=%u, p=%u\n",
               acc->id, acc->name ? acc->name : "",
               acc->posts_count);
 
          {
             const My_Message *msg;
             printf("\t  |messages:\n");
 
               {
                  printf("\t  |   %-8x '%s' [%s]: '%.20s'\n",
                         msg->id,
                         msg->name ? msg->name : "",
                         msg->screen_name ? msg->screen_name : "",
                         msg->message ? msg->message : "");
               }
          }
 
        if (acc->posts_count)
          {
             const My_Post *post;
             int i;
             printf("\t  |posts:\n");
 
             for (i = 0; i < acc->posts_count; i++)
               {
                  post = &acc->posts[i];
                  if (post->dm_to)
                    printf("\t  |  @%s: '%.20s'\n", post->dm_to, post->message);
                  else
                    printf("\t  |  '%.20s'\n", post->message);
               }
          }
 
        printf("\n");
     }
 
   if (!_my_cache_save(my_cache, argv[2]))
     ret = -3;
 
   _my_cache_free(my_cache);
 
end:
   if (_my_cache_file)
   _my_cache_descriptor_shutdown();
 
   return ret;
} 
 
The file that provides the eet functions.
#define EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(clas, type)
This macro is an helper that set all the parameter of an Eet_Data_Descriptor_Class correctly when you...
Definition: Eet.h:3075
#define EET_T_STRING
Data type: char *.
Definition: Eet.h:2589
EAPI Eet_Data_Descriptor * eet_data_descriptor_file_new(const Eet_Data_Descriptor_Class *eddc)
This function creates a new data descriptor and returns a handle to the new data descriptor.
Definition: eet_data.c:2088
EAPI void eet_data_descriptor_free(Eet_Data_Descriptor *edd)
This function frees a data descriptor when it is not needed anymore.
Definition: eet_data.c:2102
struct _Eet_Data_Descriptor Eet_Data_Descriptor
Opaque handle that have information on a type members.
Definition: Eet.h:2631
EAPI void * eet_data_read(Eet_File *ef, Eet_Data_Descriptor *edd, const char *name)
Reads a data structure from an eet file and decodes it.
Definition: eet_data.c:2377
#define EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(edd, struct_type, name, member, subtype)
Adds a variable size array type to a data descriptor.
Definition: Eet.h:3752
#define EET_DATA_DESCRIPTOR_ADD_LIST(edd, struct_type, name, member, subtype)
Adds a linked list type to a data descriptor.
Definition: Eet.h:3511
EAPI int eet_data_write(Eet_File *ef, Eet_Data_Descriptor *edd, const char *name, const void *data, int compress)
Writes a data structure from memory and store in an eet file.
Definition: eet_data.c:2414
#define EET_T_UINT
Data type: unsigned int.
Definition: Eet.h:2587
#define EET_DATA_DESCRIPTOR_ADD_HASH(edd, struct_type, name, member, subtype)
Adds a hash type to a data descriptor.
Definition: Eet.h:3584
EAPI Eet_Error eet_close(Eet_File *ef)
Closes an eet file handle and flush pending writes.
Definition: eet_lib.c:1899
EAPI int eet_dictionary_string_check(Eet_Dictionary *ed, const char *string)
Checks if a given string comes from a given dictionary.
Definition: eet_dictionary.c:493
EAPI Eet_File * eet_open(const char *file, Eet_File_Mode mode)
Opens an eet file on disk, and returns a handle to it.
Definition: eet_lib.c:1499
struct _Eet_File Eet_File
Opaque handle that defines an Eet file (or memory).
Definition: Eet.h:527
EAPI Eet_Dictionary * eet_dictionary_get(Eet_File *ef)
Returns a handle to the shared string dictionary of the Eet file.
Definition: eet_lib.c:2564
struct _Eet_Dictionary Eet_Dictionary
Opaque handle that defines a file-backed (mmaped) dictionary of strings.
Definition: Eet.h:533
@ EET_FILE_MODE_READ
File is read-only.
Definition: Eet.h:479
@ EET_FILE_MODE_WRITE
File is write-only.
Definition: Eet.h:480
EAPI int eet_init(void)
Initializes the EET library.
Definition: eet_lib.c:540
EAPI int eet_shutdown(void)
Shuts down the EET library.
Definition: eet_lib.c:594
void eina_hash_foreach(const Eina_Hash *hash, Eina_Hash_Foreach func, const void *fdata)
Calls a function on every member stored in the hash table.
Definition: eina_hash.c:1223
void * eina_hash_find(const Eina_Hash *hash, const void *key)
Retrieves a specific entry in the given hash table.
Definition: eina_hash.c:1069
Eina_Bool eina_hash_direct_add(Eina_Hash *hash, const void *key, const void *data)
Adds an entry to the given hash table without duplicating the string.
Definition: eina_hash.c:948
Eina_Iterator * eina_hash_iterator_data_new(const Eina_Hash *hash)
Returns a new iterator associated with a hash.
Definition: eina_hash.c:1246
int eina_hash_population(const Eina_Hash *hash)
Returns the number of entries in the given hash table.
Definition: eina_hash.c:858
struct _Eina_Hash Eina_Hash
Type for a generic hash table.
Definition: eina_hash.h:285
Eina_Hash * eina_hash_string_small_new(Eina_Free_Cb data_free_cb)
Creates a new hash table for use with strings with small bucket size.
Definition: eina_hash.c:800
void eina_hash_free(Eina_Hash *hash)
Frees the given hash table's resources.
Definition: eina_hash.c:868
#define EINA_ITERATOR_FOREACH(itr, data)
Definition for the macro to iterate over all elements easily.
Definition: eina_iterator.h:448
void eina_iterator_free(Eina_Iterator *iterator)
Frees an iterator.
Definition: eina_iterator.c:98
static unsigned int eina_list_count(const Eina_List *list)
Gets the count of the number of items in a list.
Eina_List * eina_list_append(Eina_List *list, const void *data)
Appends the given data to the given linked list.
Definition: eina_list.c:584
#define EINA_LIST_FOREACH(list, l, _data)
Definition for the macro to iterate over a list.
Definition: eina_list.h:1415
#define EINA_LIST_FREE(list, data)
Definition for the macro to remove each list node while having access to each node's data.
Definition: eina_list.h:1629
int eina_shutdown(void)
Shuts down the Eina library.
Definition: eina_main.c:350
int eina_init(void)
Initializes the Eina library.
Definition: eina_main.c:279
size_t eina_strlcpy(char *dst, const char *src, size_t siz)
Copies a c-string to another.
Definition: eina_str.c:317
void eina_stringshare_del(Eina_Stringshare *str)
Notes that the given string has lost an instance.
Definition: eina_stringshare.c:533
Eina_Stringshare * eina_stringshare_add(const char *str)
Retrieves an instance of a string for use in a program.
Definition: eina_stringshare.c:606
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition: eina_types.h:533
unsigned char Eina_Bool
Type to mimic a boolean.
Definition: eina_types.h:527
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition: eina_types.h:339
Instructs Eet about memory management for different needs under serialization and parse process.
Definition: Eet.h:2828
structure of an iterator
Definition: eina_iterator.h:159
Type for a generic double linked list.
Definition: eina_list.h:318