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-rw-r--r--src/examples/eet-data-nested.c272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/examples/eet-data-nested.c b/src/examples/eet-data-nested.c
deleted file mode 100644
index a6b0e12..0000000
--- a/src/examples/eet-data-nested.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * build: gcc -o eet_data_nested eet-data-nested.c `pkg-config --cflags --libs eet eina`
- */
-#include <Eina.h>
-#include <Eet.h>
-#include <stdio.h>
-#include <limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-// The struct that will be loaded and saved.
-// note that only the members described in the eet_data_descriptor
-// will be automatically handled. The other members will have their
-// space reserved and zeroed (as it uses calloc()), but not
-// saved or loaded from eet files.
-typedef struct
-{
- unsigned int version; // it is recommended to use versioned configuration!
- const char *name;
- int id;
- int not_saved_value; // example of not saved data inside!
- Eina_Bool enabled;
- Eina_List *subs;
-} My_Conf_Type;
-
-typedef struct
-{
- const char *server;
- int port;
-} My_Conf_Subtype;
-
-// string that represents the entry in eet file, you might like to have
-// different profiles or so in the same file, this is possible with
-// different strings
-static const char MY_CONF_FILE_ENTRY[] = "config";
-
-// 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_conf_descriptor;
-static Eet_Data_Descriptor *_my_conf_sub_descriptor;
-
-static void
-_my_conf_descriptor_init(void)
-{
- Eet_Data_Descriptor_Class eddc;
-
- // The class describe the functions to use to create the type and its
- // full allocated size.
- //
- // Eina types are very convenient, so use them to create the descriptor,
- // so we get eina_list, eina_hash and eina_stringshare automatically!
- //
- // The STREAM variant is better for configuration files as the values
- // will likely change a lot.
- //
- // The other variant, FILE, is good for caches and things that are just
- // appended, but needs to take care when changing strings and files must
- // be kept open so mmap()ed strings will be kept alive.
- EET_EINA_STREAM_DATA_DESCRIPTOR_CLASS_SET(&eddc, My_Conf_Type);
- _my_conf_descriptor = eet_data_descriptor_stream_new(&eddc);
-
- EET_EINA_STREAM_DATA_DESCRIPTOR_CLASS_SET(&eddc, My_Conf_Subtype);
- _my_conf_sub_descriptor = eet_data_descriptor_stream_new(&eddc);
-
- // Describe the members to be saved:
- // Use a temporary macro so we don't type a lot, also avoid errors:
-#define MY_CONF_ADD_BASIC(member, eet_type) \
- EET_DATA_DESCRIPTOR_ADD_BASIC \
- (_my_conf_descriptor, My_Conf_Type, # member, member, eet_type)
-#define MY_CONF_SUB_ADD_BASIC(member, eet_type) \
- EET_DATA_DESCRIPTOR_ADD_BASIC \
- (_my_conf_sub_descriptor, My_Conf_Subtype, # member, member, eet_type)
-
- MY_CONF_SUB_ADD_BASIC(server, EET_T_STRING);
- MY_CONF_SUB_ADD_BASIC(port, EET_T_INT);
-
- MY_CONF_ADD_BASIC(version, EET_T_UINT);
- MY_CONF_ADD_BASIC(name, EET_T_STRING);
- MY_CONF_ADD_BASIC(id, EET_T_INT);
- MY_CONF_ADD_BASIC(enabled, EET_T_UCHAR);
-
- // And add the sub descriptor as a linked list at 'subs' in the main struct
- EET_DATA_DESCRIPTOR_ADD_LIST
- (_my_conf_descriptor, My_Conf_Type, "subs", subs, _my_conf_sub_descriptor);
-
-#undef MY_CONF_ADD_BASIC
-#undef MY_CONF_SUB_ADD_BASIC
-} /* _my_conf_descriptor_init */
-
-static void
-_my_conf_descriptor_shutdown(void)
-{
- eet_data_descriptor_free(_my_conf_sub_descriptor);
- eet_data_descriptor_free(_my_conf_descriptor);
-} /* _my_conf_descriptor_shutdown */
-
-static My_Conf_Type *
-_my_conf_new(void)
-{
- My_Conf_Type *my_conf = calloc(1, sizeof(My_Conf_Type));
- My_Conf_Subtype *sub;
- if (!my_conf)
- {
- fprintf(stderr, "ERROR: could not calloc My_Conf_Type\n");
- return NULL;
- }
-
- my_conf->version = 0x112233;
- my_conf->enabled = EINA_TRUE;
-
- sub = calloc(1, sizeof(My_Conf_Subtype));
- if (sub)
- {
- sub->server = eina_stringshare_add("my-server.com");
- sub->port = 1234;
- my_conf->subs = eina_list_append(my_conf->subs, sub);
- }
-
- return my_conf;
-} /* _my_conf_new */
-
-static void
-_my_conf_free(My_Conf_Type *my_conf)
-{
- My_Conf_Subtype *sub;
- EINA_LIST_FREE(my_conf->subs, sub)
- {
- eina_stringshare_del(sub->server);
- free(sub);
- }
-
- eina_stringshare_del(my_conf->name);
- free(my_conf);
-} /* _my_conf_free */
-
-static My_Conf_Type *
-_my_conf_load(const char *filename)
-{
- My_Conf_Type *my_conf;
- 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;
- }
-
- my_conf = eet_data_read(ef, _my_conf_descriptor, MY_CONF_FILE_ENTRY);
- if (!my_conf)
- goto end;
-
- if (my_conf->version < 0x112233)
- {
- fprintf(stderr,
- "WARNING: version %#x was too old, upgrading it to %#x\n",
- my_conf->version, 0x112233);
-
- my_conf->version = 0x112233;
- my_conf->enabled = EINA_TRUE;
- }
-
-end:
- eet_close(ef);
- return my_conf;
-} /* _my_conf_load */
-
-static Eina_Bool
-_my_conf_save(const My_Conf_Type *my_conf,
- const char *filename)
-{
- char tmp[PATH_MAX];
- 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;
- }
-
- i = 0;
- do
- {
- 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;
- }
-
- ret = eet_data_write
- (ef, _my_conf_descriptor, MY_CONF_FILE_ENTRY, my_conf, EINA_TRUE);
- eet_close(ef);
-
- if (ret)
- {
- unlink(filename);
- rename(tmp, filename);
- }
-
- return ret;
-} /* _my_conf_save */
-
-int
-main(int argc,
- char *argv[])
-{
- My_Conf_Type *my_conf;
- const My_Conf_Subtype *sub;
- const Eina_List *l;
- int ret = 0;
-
- if (argc != 3)
- {
- fprintf(stderr, "Usage:\n\t%s <input> <output>\n\n", argv[0]);
- return -1;
- }
-
- eina_init();
- eet_init();
- _my_conf_descriptor_init();
-
- my_conf = _my_conf_load(argv[1]);
- if (!my_conf)
- {
- printf("creating new configuration.\n");
- my_conf = _my_conf_new();
- if (!my_conf)
- {
- ret = -2;
- goto end;
- }
- }
-
- printf("My_Conf_Type:\n"
- "\tversion: %#x\n"
- "\tname...: '%s'\n"
- "\tid.....: %d\n"
- "\tenabled: %hhu\n"
- "\tsubs...:\n",
- my_conf->version,
- my_conf->name ? my_conf->name : "",
- my_conf->id,
- my_conf->enabled);
-
- EINA_LIST_FOREACH(my_conf->subs, l, sub)
- printf("\t\tserver: '%s', port: %d\n",
- sub->server ? sub->server : "",
- sub->port);
-
- if (!_my_conf_save(my_conf, argv[2]))
- ret = -3;
-
- _my_conf_free(my_conf);
-
-end:
- _my_conf_descriptor_shutdown();
- eet_shutdown();
- eina_shutdown();
-
- return ret;
-} /* main */
-
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