#include <unistd.h>
// complex real-world structures based on elmdentica database
-typedef struct {
- const char *screen_name;
- const char *name;
- const char *message;
+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;
+typedef struct
+{
+ const char * dm_to;
+ const char * message;
} My_Post;
-typedef struct {
+typedef struct
+{
unsigned int id;
- const char *name;
- Eina_List *messages;
- Eina_List *posts;
+ const char * name;
+ Eina_List * messages;
+ Eina_List * posts;
} My_Account;
-typedef struct {
+typedef struct
+{
unsigned int version; // it is recommended to use versioned configuration!
- Eina_List *accounts;
+ Eina_List * accounts;
} My_Cache;
// string that represents the entry in eet file, you might like to have
// keep the descriptor static global, so it can be
// shared by different functions (load/save) of this and only this
// file.
-static Eet_Data_Descriptor *_my_cache_descriptor;
-static Eet_Data_Descriptor *_my_account_descriptor;
-static Eet_Data_Descriptor *_my_message_descriptor;
-static Eet_Data_Descriptor *_my_post_descriptor;
+static Eet_Data_Descriptor * _my_cache_descriptor;
+static Eet_Data_Descriptor * _my_account_descriptor;
+static Eet_Data_Descriptor * _my_message_descriptor;
+static Eet_Data_Descriptor * _my_post_descriptor;
// keep file handle alive, so mmap()ed strings are all alive as well
-static Eet_File *_my_cache_file = NULL;
-static Eet_Dictionary *_my_cache_dict = NULL;
+static Eet_File * _my_cache_file = NULL;
+static Eet_Dictionary * _my_cache_dict = NULL;
static void
_my_cache_descriptor_init(void)
// Describe the members to be saved:
// Use a temporary macro so we don't type a lot, also avoid errors:
-#define ADD_BASIC(member, eet_type) \
- EET_DATA_DESCRIPTOR_ADD_BASIC \
- (_my_message_descriptor, My_Message, #member, member, eet_type)
+#define ADD_BASIC(member, eet_type)\
+ EET_DATA_DESCRIPTOR_ADD_BASIC\
+ (_my_message_descriptor, My_Message, # member, member, eet_type)
ADD_BASIC(screen_name, EET_T_STRING);
- ADD_BASIC(name, EET_T_STRING);
- ADD_BASIC(message, EET_T_STRING);
- ADD_BASIC(id, EET_T_UINT);
- ADD_BASIC(status_id, EET_T_UINT);
- ADD_BASIC(date, EET_T_UINT);
- ADD_BASIC(timeline, EET_T_UINT);
+ ADD_BASIC(name, EET_T_STRING);
+ ADD_BASIC(message, EET_T_STRING);
+ ADD_BASIC(id, EET_T_UINT);
+ ADD_BASIC(status_id, EET_T_UINT);
+ ADD_BASIC(date, EET_T_UINT);
+ ADD_BASIC(timeline, EET_T_UINT);
#undef ADD_BASIC
-#define ADD_BASIC(member, eet_type) \
- EET_DATA_DESCRIPTOR_ADD_BASIC \
- (_my_post_descriptor, My_Post, #member, member, eet_type)
- ADD_BASIC(dm_to, EET_T_STRING);
+#define ADD_BASIC(member, eet_type)\
+ EET_DATA_DESCRIPTOR_ADD_BASIC\
+ (_my_post_descriptor, My_Post, # member, member, eet_type)
+ ADD_BASIC(dm_to, EET_T_STRING);
ADD_BASIC(message, EET_T_STRING);
#undef ADD_BASIC
-#define ADD_BASIC(member, eet_type) \
- EET_DATA_DESCRIPTOR_ADD_BASIC \
- (_my_account_descriptor, My_Account, #member, member, eet_type)
+#define ADD_BASIC(member, eet_type)\
+ EET_DATA_DESCRIPTOR_ADD_BASIC\
+ (_my_account_descriptor, My_Account, # member, member, eet_type)
ADD_BASIC(name, EET_T_STRING);
- ADD_BASIC(id, EET_T_UINT);
+ ADD_BASIC(id, EET_T_UINT);
#undef ADD_BASIC
EET_DATA_DESCRIPTOR_ADD_LIST
- (_my_account_descriptor, My_Account, "messages", messages,
+ (_my_account_descriptor, My_Account, "messages", messages,
_my_message_descriptor);
EET_DATA_DESCRIPTOR_ADD_LIST
- (_my_account_descriptor, My_Account, "posts", posts,
+ (_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)
+#define ADD_BASIC(member, eet_type)\
+ EET_DATA_DESCRIPTOR_ADD_BASIC\
+ (_my_cache_descriptor, My_Cache, # member, member, eet_type)
ADD_BASIC(version, EET_T_UINT);
#undef ADD_BASIC
EET_DATA_DESCRIPTOR_ADD_LIST
- (_my_cache_descriptor, My_Cache, "accounts", accounts,
+ (_my_cache_descriptor, My_Cache, "accounts", accounts,
_my_account_descriptor);
-}
+} /* _my_cache_descriptor_init */
static void
_my_cache_descriptor_shutdown(void)
eet_data_descriptor_free(_my_account_descriptor);
eet_data_descriptor_free(_my_message_descriptor);
eet_data_descriptor_free(_my_post_descriptor);
-}
+} /* _my_cache_descriptor_shutdown */
// need to check if the pointer came from mmaped area in eet_dictionary
// or it was allocated with eina_stringshare_add()
static void
-_eet_string_free(const char *str)
+_eet_string_free(const char * str)
{
if (!str)
- return;
+ return;
+
if ((_my_cache_dict) && (eet_dictionary_string_check(_my_cache_dict, str)))
- return;
+ return;
+
eina_stringshare_del(str);
-}
+} /* _eet_string_free */
static My_Message *
-_my_message_new(const char *message)
+_my_message_new(const char * message)
{
- My_Message *msg = calloc(1, sizeof(My_Message));
+ My_Message * msg = calloc(1, sizeof(My_Message));
if (!msg)
{
- fprintf(stderr, "ERROR: could not calloc My_Message\n");
- return NULL;
+ fprintf(stderr, "ERROR: could not calloc My_Message\n");
+ return NULL;
}
+
msg->message = eina_stringshare_add(message);
return msg;
-}
+} /* _my_message_new */
static void
-_my_message_free(My_Message *msg)
+_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_message_free */
static My_Post *
-_my_post_new(const char *message)
+_my_post_new(const char * message)
{
- My_Post *post = calloc(1, sizeof(My_Post));
+ My_Post * post = calloc(1, sizeof(My_Post));
if (!post)
{
- fprintf(stderr, "ERROR: could not calloc My_Post\n");
- return NULL;
+ fprintf(stderr, "ERROR: could not calloc My_Post\n");
+ return NULL;
}
+
post->message = eina_stringshare_add(message);
return post;
-}
+} /* _my_post_new */
static void
-_my_post_free(My_Post *post)
+_my_post_free(My_Post * post)
{
_eet_string_free(post->dm_to);
_eet_string_free(post->message);
free(post);
-}
+} /* _my_post_free */
static My_Account *
-_my_account_new(const char *name)
+_my_account_new(const char * name)
{
- My_Account *acc = calloc(1, sizeof(My_Account));
+ My_Account * acc = calloc(1, sizeof(My_Account));
if (!acc)
{
- fprintf(stderr, "ERROR: could not calloc My_Account\n");
- return NULL;
+ fprintf(stderr, "ERROR: could not calloc My_Account\n");
+ return NULL;
}
+
acc->name = eina_stringshare_add(name);
return acc;
-}
+} /* _my_account_new */
static void
-_my_account_free(My_Account *acc)
+_my_account_free(My_Account * acc)
{
- My_Message *m;
- My_Post *p;
+ My_Message * m;
+ My_Post * p;
_eet_string_free(acc->name);
EINA_LIST_FREE(acc->messages, m)
- _my_message_free(m);
+ _my_message_free(m);
EINA_LIST_FREE(acc->posts, p)
- _my_post_free(p);
+ _my_post_free(p);
free(acc);
-}
+} /* _my_account_free */
static My_Cache *
_my_cache_new(void)
{
- My_Cache *my_cache = calloc(1, sizeof(My_Cache));
+ My_Cache * my_cache = calloc(1, sizeof(My_Cache));
if (!my_cache)
{
- fprintf(stderr, "ERROR: could not calloc My_Cache\n");
- return NULL;
+ fprintf(stderr, "ERROR: could not calloc My_Cache\n");
+ return NULL;
}
my_cache->version = 1;
return my_cache;
-}
+} /* _my_cache_new */
static void
-_my_cache_free(My_Cache *my_cache)
+_my_cache_free(My_Cache * my_cache)
{
- My_Account *acc;
+ My_Account * acc;
EINA_LIST_FREE(my_cache->accounts, acc)
- _my_account_free(acc);
+ _my_account_free(acc);
free(my_cache);
-}
+} /* _my_cache_free */
static My_Account *
-_my_cache_account_find(My_Cache *my_cache, const char *name)
+_my_cache_account_find(My_Cache * my_cache, const char * name)
{
- My_Account *acc;
- Eina_List *l;
+ My_Account * acc;
+ Eina_List * l;
EINA_LIST_FOREACH(my_cache->accounts, l, acc)
- if (strcmp(acc->name, name) == 0)
- return acc;
+ if (strcmp(acc->name, name) == 0)
+ return acc;
+
return NULL;
-}
+} /* _my_cache_account_find */
static My_Cache *
-_my_cache_load(const char *filename)
+_my_cache_load(const char * filename)
{
- My_Cache *my_cache;
- Eet_File *ef = eet_open(filename, EET_FILE_MODE_READ);
+ My_Cache * my_cache;
+ Eet_File * ef = eet_open(filename, EET_FILE_MODE_READ);
if (!ef)
{
- fprintf(stderr, "ERROR: could not open '%s' for read\n", filename);
- return NULL;
+ 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)
{
- eet_close(ef);
- return NULL;
+ eet_close(ef);
+ return NULL;
}
if (my_cache->version < 1)
{
- fprintf(stderr,
- "WARNING: version %#x was too old, upgrading it to %#x\n",
- 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;
+ my_cache->version = 1;
}
if (_my_cache_file)
- eet_close(_my_cache_file);
+ eet_close(_my_cache_file);
+
_my_cache_file = ef;
_my_cache_dict = eet_dictionary_get(ef);
return my_cache;
-}
+} /* _my_cache_load */
static Eina_Bool
-_my_cache_save(const My_Cache *my_cache, const char *filename)
+_my_cache_save(const My_Cache * my_cache, const char * filename)
{
char tmp[PATH_MAX];
- Eet_File *ef;
+ Eet_File * ef;
Eina_Bool ret;
unsigned int i, len;
struct stat st;
len = eina_strlcpy(tmp, filename, sizeof(tmp));
if (len + 12 >= (int)sizeof(tmp))
{
- fprintf(stderr, "ERROR: file name is too big: %s\n", filename);
- return EINA_FALSE;
+ fprintf(stderr, "ERROR: file name is too big: %s\n", filename);
+ return EINA_FALSE;
}
i = 0;
do
{
- snprintf(tmp + len, 12, ".%u", i);
- i++;
+ snprintf(tmp + len, 12, ".%u", i);
+ i++;
}
while (stat(tmp, &st) == 0);
ef = eet_open(tmp, EET_FILE_MODE_WRITE);
if (!ef)
{
- fprintf(stderr, "ERROR: could not open '%s' for write\n", tmp);
- return EINA_FALSE;
+ fprintf(stderr, "ERROR: could not open '%s' for write\n", tmp);
+ return EINA_FALSE;
}
ret = eet_data_write
- (ef, _my_cache_descriptor, MY_CACHE_FILE_ENTRY, my_cache, EINA_TRUE);
+ (ef, _my_cache_descriptor, MY_CACHE_FILE_ENTRY, my_cache, EINA_TRUE);
// VERY IMPORTANT NOTE:
// after eet_close(), all strings mmaped from file will be GONE, invalid!
if (ret)
{
- unlink(filename);
- rename(tmp, filename);
+ unlink(filename);
+ rename(tmp, filename);
}
return ret;
-}
+} /* _my_cache_save */
-int main(int argc, char *argv[])
+int main(int argc, char * argv[])
{
- My_Cache *my_cache;
- const Eina_List *l_acc;
- My_Account *acc;
+ My_Cache * my_cache;
+ const Eina_List * l_acc;
+ 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;
+ 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;
}
eina_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;
- }
+ 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]);
- my_cache->accounts = eina_list_append
- (my_cache->accounts, acc);
- }
- 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 *post = _my_post_new(argv[5]);
- acc->posts = eina_list_append(acc->posts, post);
- }
- 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]);
- acc->messages = eina_list_append(acc->messages, msg);
- }
- 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]);
+ 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]);
+ my_cache->accounts = eina_list_append
+ (my_cache->accounts, acc);
+ }
+ 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 * post = _my_post_new(argv[5]);
+ acc->posts = eina_list_append(acc->posts, post);
+ }
+ 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]);
+ acc->messages = eina_list_append(acc->messages, msg);
+ }
+ 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,
- eina_list_count(my_cache->accounts));
+ "\tversion.: %#x\n"
+ "\taccounts: %u\n",
+ my_cache->version,
+ eina_list_count(my_cache->accounts));
EINA_LIST_FOREACH(my_cache->accounts, l_acc, acc)
- {
- const My_Post *post;
-
- printf("\t > %-#8x '%.20s' stats: m=%u, p=%u\n",
- acc->id, acc->name ? acc->name : "",
- eina_list_count(acc->messages),
- eina_list_count(acc->posts));
-
- if (eina_list_count(acc->messages))
- {
- const Eina_List *l;
- const My_Message *msg;
- printf("\t |messages:\n");
-
- EINA_LIST_FOREACH(acc->messages, l, msg)
- {
- printf("\t | %-8x '%s' [%s]: '%.20s'\n",
- msg->id,
- msg->name ? msg->name : "",
- msg->screen_name ? msg->screen_name : "",
- msg->message ? msg->message : "");
- }
- }
-
- if (eina_list_count(acc->posts))
- {
- const Eina_List *l;
- const My_Post *post;
- printf("\t |posts:\n");
-
- EINA_LIST_FOREACH(acc->posts, l, post)
- {
- if (post->dm_to)
- printf("\t | @%s: '%.20s'\n", post->dm_to, post->message);
- else
- printf("\t | '%.20s'\n", post->message);
- }
- }
- printf("\n");
- }
+ {
+ const My_Post * post;
+
+ printf("\t > %-#8x '%.20s' stats: m=%u, p=%u\n",
+ acc->id, acc->name ? acc->name : "",
+ eina_list_count(acc->messages),
+ eina_list_count(acc->posts));
+
+ if (eina_list_count(acc->messages))
+ {
+ const Eina_List * l;
+ const My_Message * msg;
+ printf("\t |messages:\n");
+
+ EINA_LIST_FOREACH(acc->messages, l, msg)
+ {
+ printf("\t | %-8x '%s' [%s]: '%.20s'\n",
+ msg->id,
+ msg->name ? msg->name : "",
+ msg->screen_name ? msg->screen_name : "",
+ msg->message ? msg->message : "");
+ }
+ }
+
+ if (eina_list_count(acc->posts))
+ {
+ const Eina_List * l;
+ const My_Post * post;
+ printf("\t |posts:\n");
+
+ EINA_LIST_FOREACH(acc->posts, l, post)
+ {
+ 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;
+ ret = -3;
_my_cache_free(my_cache);
- end:
+end:
_my_cache_descriptor_shutdown();
eet_shutdown();
eina_shutdown();
return ret;
-}
+} /* main */
+
projects / framework / uifw / eet.git / blobdiff