diff --git a/legacy/eet/doc/examples.dox b/legacy/eet/doc/examples.dox
index 9da4b154b1..b842584466 100644
--- a/legacy/eet/doc/examples.dox
+++ b/legacy/eet/doc/examples.dox
@@ -7,7 +7,11 @@
*
* @ref Example_Eet_Data_Nested
*
- * @ref Example_Eet_Data_File_Descriptor
+ * @ref Example_Eet_Data_File_Descriptor_01
+ *
+ * @ref Example_Eet_Data_File_Descriptor_02
+ *
+ * @ref Example_Eet_Data_Cipher_Decipher
*
* List of examples
*/
@@ -41,8 +45,140 @@
*/
/**
- * @page Example_Eet_Data_File_Descriptor File descriptor data example
+ * @page Example_Eet_Data_File_Descriptor_01 File descriptor data example
*
- * @includelineno eet-data-file_descriptor.c
- * @example eet-data-file_descriptor.c
+ * @includelineno eet-data-file_descriptor_01.c
+ * @example eet-data-file_descriptor_01.c
+ */
+
+/**
+ * @page Example_Eet_Data_File_Descriptor_02 File descriptor data example, with Eet unions and variants
+ *
+ * This is an example much like the one shown in @ref
+ * eet_data_file_descriptor. The difference is that here we're
+ * attaining ourselves to two new data types to store in an Eet file
+ * -- @b unions and @b variants. We don't try to come with data
+ * mapping to real world use cases, here. Instead, we're defining
+ * 3 different simple structures to be used throughout the example:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip typedef struct _Example_Struct1
+ * @until typedef struct _Example_Struct3
+ * @skip struct _Example_Struct1
+ * @until int body
+ * @until };
+ *
+ * To identify, for both union and variant data cases, the type of
+ * each chunk of data, we're defining types to point to each of those
+ * structs:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip typedef enum _Example_Data_Type
+ * @until ;
+ * @skip enum _Example_Data_Type
+ * @until };
+ *
+ * We have also a mapping from those types to name strings, to be used
+ * in the Eet unions and variants @c type_get() and @c type_set() type
+ * identifying callbacks:
+ * @skip struct
+ * @until };
+ *
+ * In this example, we have no fancy hash to store our data into
+ * profiles/accounts, but just two lists for union and variant data
+ * nodes:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip typedef struct _Example_Lists
+ * @until typedef struct _Example_Lists
+ * @skip struct _Example_Lists
+ * @until };
+ *
+ * Let's begin with our unions, then, which look like:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip typedef struct _Example_Union
+ * @until typedef struct _Example_Union
+ * @skip struct _Example_Union
+ * @until };
+ *
+ * The first interesting part of the code is where we define our data
+ * descriptors for the main lists, the unions and all of structures
+ * upon which those two depend.
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip declaring types
+ * @until _union_descriptor);
+ * The code for descriptors on @c Example_Struct1, @c Example_Struct2
+ * and @c Example_Struct3 is straightforward, a matter already covered
+ * on @ref eet_data_file_descriptor. What is new, here, are the two
+ * type matching functions for our unions. There, we must set the @c
+ * data pointer to its matching type, on @c _union_type_set and return
+ * the correct matching type, on @c _union_type_get:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip union type_get()
+ * @until _union_type_set
+ * @until _union_type_set
+ *
+ * With the #EET_DATA_DESCRIPTOR_ADD_MAPPING calls, which follow, we
+ * make the the link between our type names and their respective
+ * structs. The code handling actual data is pretty much the same as in
+ * @ref eet_data_file_descriptor -- one uses command line arguments to
+ * enter new data chunks (or just to visualize the contents of an Eet
+ * file), signalling if they are unions or variants. One must also
+ * pass the type of the data chuck to enter, with integers 1, 2 or
+ * 3. Then, come the fields for each type:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip Usage
+ * @until argv
+ *
+ * Variants are very similar to unions, except that data chunks need
+ * @b not contain previously allocated space for each of the possible
+ * types of data going in them:
+ * @dontinclude eet-data-file_descriptor_02.c
+ * @skip typedef struct _Example_Variant
+ * @until typedef struct _Example_Variant
+ * @skip struct _Example_Variant_Type
+ * @until };
+ * @until };
+ *
+ * The code declaring the data descriptors and handling the data is
+ * very similar to the unions part, and is left for the reader to
+ * check for him/herself. The complete code of the example follows.
+ *
+ * @includelineno eet-data-file_descriptor_02.c
+ * @example eet-data-file_descriptor_02.c
+ */
+
+/**
+ * @page Example_Eet_Data_Cipher_Decipher Eet data cipher/decipher example
+ *
+ * In this example, we exemplify the usage of eet_write_cipher() and
+ * eet_read_cipher(). For it to work, make sure to have your
+ * Eet installation with a ciphering backend enabled.
+ *
+ * We start by defining the information to record in an Eet file (@c
+ * buffer), the key to cipher that (@c key) and a dummy wrong key to
+ * try to access that information, later (@c key_bad).
+ * @dontinclude eet-data-cipher_decipher.c
+ * @skip buffer =
+ * @until bad =
+ *
+ * After opening our file, we simply use the first cited function to
+ * write our string ciphered:
+ * @dontinclude eet-data-cipher_decipher.c
+ * @skip eet_open
+ * @until eet_close
+ *
+ * Then, after closing it on purpose, we open it again, to retrieve
+ * the encrypted information back, in a readable format:
+ * @skip eet_open
+ * @until eet_close
+ * @until eet_close
+ *
+ * Note that we do it twice, being the last time with the wrong
+ * key. In this last case, if the information is read back and matches
+ * the original @c buffer, something wrong is going on (we made it to
+ * fail on purpose). The former access is OK, and must work.
+ *
+ * What we do in sequence is just to delete the file. The complete
+ * code of the example follows.
+ *
+ * @includelineno eet-data-cipher_decipher.c
+ * @example eet-data-cipher_decipher.c
*/
diff --git a/legacy/eet/src/examples/Makefile.am b/legacy/eet/src/examples/Makefile.am
index 46e84020f5..dfee9bc0ff 100644
--- a/legacy/eet/src/examples/Makefile.am
+++ b/legacy/eet/src/examples/Makefile.am
@@ -7,7 +7,7 @@ AM_CPPFLAGS = \
-I$(top_srcdir)/src/lib \
@EINA_CFLAGS@
-pkglib_PROGRAMS = eet_basic eet_file eet_data_simple eet_data_nested eet_data_file_descriptor
+pkglib_PROGRAMS = eet_basic eet_file eet_data_simple eet_data_nested eet_data_file_descriptor_01 eet_data_file_descriptor_02 eet_data_cipher_decipher
eet_basic_SOURCES = eet-basic.c
eet_basic_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
@@ -21,9 +21,14 @@ eet_data_simple_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
eet_data_nested_SOURCES = eet-data-nested.c
eet_data_nested_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
-eet_data_file_descriptor_SOURCES = eet-data-file_descriptor.c
-eet_data_file_descriptor_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
+eet_data_file_descriptor_01_SOURCES = eet-data-file_descriptor_01.c
+eet_data_file_descriptor_01_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
+eet_data_file_descriptor_02_SOURCES = eet-data-file_descriptor_02.c
+eet_data_file_descriptor_02_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
+
+eet_data_cipher_decipher_SOURCES = eet-data-cipher_decipher.c
+eet_data_cipher_decipher_LDADD = $(top_builddir)/src/lib/libeet.la @EINA_LIBS@
filesdir = $(datadir)/$(PACKAGE)/examples
files_DATA =
@@ -35,6 +40,8 @@ eet-basic.c \
eet-file.c \
eet-data-simple.c \
eet-data-nested.c \
-eet-data-file_descriptor.c
+eet-data-file_descriptor_01.c \
+eet-data-file_descriptor_02.c \
+eet-data-cipher_decipher.c
endif
diff --git a/legacy/eet/src/examples/eet-data-cipher_decipher.c b/legacy/eet/src/examples/eet-data-cipher_decipher.c
new file mode 100644
index 0000000000..1688e020a4
--- /dev/null
+++ b/legacy/eet/src/examples/eet-data-cipher_decipher.c
@@ -0,0 +1,119 @@
+/*
+ * build: gcc -o eet_data_file_cipher_decipher eet-data-file_cipher_decipher.c `pkg-config --cflags --libs eet eina`
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+int
+main(void)
+{
+ const char *buffer = "Here is a string of data to save !";
+ const char *key = "This is a crypto key";
+ const char *key_bad = "This is another crypto key";
+
+ char *file = strdup("/tmp/eet_cipher_example_XXXXX");
+ Eet_File *ef;
+ char *test;
+ int size;
+
+ eet_init();
+
+ if (!(file = tmpnam(file)))
+ {
+ fprintf(
+ stderr, "ERROR: could not create temporary file (%s).\n", file);
+ goto panic;
+ }
+
+ /* Crypt an eet file. */
+ ef = eet_open(file, EET_FILE_MODE_WRITE);
+ if (!ef)
+ {
+ fprintf(
+ stderr, "ERROR: could not access file (%s).\n", file);
+ goto error;
+ }
+
+ if (!eet_write_cipher(ef, "keys/tests", buffer, strlen(buffer) + 1, 0, key))
+ {
+ fprintf(
+ stderr, "ERROR: could not access file (%s).\n", file);
+ goto error;
+ }
+
+ eet_close(ef);
+
+ /* Decrypt an eet file. */
+ ef = eet_open(file, EET_FILE_MODE_READ);
+ if (!ef)
+ {
+ fprintf(
+ stderr, "ERROR: could not access file (%s).\n", file);
+ goto error;
+ }
+
+ test = eet_read_cipher(ef, "keys/tests", &size, key);
+ if (!test)
+ {
+ fprintf(
+ stderr, "ERROR: could decript contents on file %s, with key %s.\n",
+ file, key);
+ goto error;
+ }
+
+ if (size != (int)strlen(buffer) + 1)
+ {
+ fprintf(
+ stderr, "ERROR: something is wrong with the decripted data\n");
+ goto error;
+ }
+
+ if (memcmp(test, buffer, strlen(buffer) + 1) != 0)
+ {
+ fprintf(
+ stderr, "ERROR: something is wrong with the decripted data\n");
+ goto error;
+ }
+
+ eet_close(ef);
+
+ /* Decrypt an eet file, now using our BAD key!! */
+ ef = eet_open(file, EET_FILE_MODE_READ);
+ if (!ef)
+ {
+ fprintf(
+ stderr, "ERROR: could not access file (%s).\n", file);
+ goto error;
+ }
+
+ test = eet_read_cipher(ef, "keys/tests", &size, key_bad);
+
+ if (size == (int)strlen(buffer) + 1)
+ if (memcmp(test, buffer, strlen(buffer) + 1) == 0)
+ {
+ fprintf(
+ stderr, "ERROR: something is wrong with the contents of %s, as"
+ " we accessed it with a different key and it decripted our"
+ " information right.\n", file);
+ goto error;
+ }
+
+ eet_close(ef);
+
+ error:
+ if (unlink(file) != 0)
+ {
+ fprintf(
+ stderr, "ERROR: could not unlink file (%s).\n", file);
+ }
+
+ panic:
+ eet_shutdown();
+}
+
diff --git a/legacy/eet/src/examples/eet-data-file_descriptor.c b/legacy/eet/src/examples/eet-data-file_descriptor_01.c
similarity index 100%
rename from legacy/eet/src/examples/eet-data-file_descriptor.c
rename to legacy/eet/src/examples/eet-data-file_descriptor_01.c
diff --git a/legacy/eet/src/examples/eet-data-file_descriptor_02.c b/legacy/eet/src/examples/eet-data-file_descriptor_02.c
new file mode 100644
index 0000000000..9690d6b19b
--- /dev/null
+++ b/legacy/eet/src/examples/eet-data-file_descriptor_02.c
@@ -0,0 +1,941 @@
+/*
+ * build: gcc -o eet_data_file_descriptor_02 eet-data-file_descriptor_02.c `pkg-config --cflags --libs eet eina`
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+typedef enum _Example_Data_Type Example_Data_Type;
+typedef struct _Example_Variant_Type Example_Variant_Type;
+typedef struct _Example_Variant Example_Variant;
+typedef struct _Example_Union Example_Union;
+typedef struct _Example_Struct1 Example_Struct1;
+typedef struct _Example_Struct2 Example_Struct2;
+typedef struct _Example_Struct3 Example_Struct3;
+typedef struct _Example_Lists Example_Lists;
+
+enum _Example_Data_Type
+{
+ EET_UNKNOWN = 0,
+ EET_STRUCT1,
+ EET_STRUCT2,
+ EET_STRUCT3
+};
+
+struct
+{
+ Example_Data_Type u;
+ const char *name;
+} eet_mapping[] = {
+ { EET_STRUCT1, "ST1" },
+ { EET_STRUCT2, "ST2" },
+ { EET_STRUCT3, "ST3" },
+ { EET_UNKNOWN, NULL }
+};
+
+struct _Example_Struct1
+{
+ double val1;
+ int stuff;
+ const char *s1;
+};
+
+struct _Example_Struct2
+{
+ Eina_Bool b1;
+ unsigned long long v1;
+};
+
+struct _Example_Struct3
+{
+ int body;
+};
+
+struct _Example_Union
+{
+ Example_Data_Type type;
+
+ union {
+ Example_Struct1 st1;
+ Example_Struct2 st2;
+ Example_Struct3 st3;
+ } u;
+};
+
+struct _Example_Variant_Type
+{
+ const char *type;
+ Eina_Bool unknow : 1;
+};
+
+struct _Example_Variant
+{
+ Example_Variant_Type t;
+
+ void *data; /* differently than the union type, we
+ * don't need to pre-allocate the memory
+ * for the field*/
+};
+
+struct _Example_Lists
+{
+ Eina_List *union_list;
+ Eina_List *variant_list;
+};
+
+static void
+_st1_set(Example_Struct1 *st1,
+ double v1,
+ int v2,
+ const char *v3)
+{
+ st1->val1 = v1;
+ st1->stuff = v2;
+ st1->s1 = v3;
+} /* _st1_set */
+
+static void
+_st2_set(Example_Struct2 *st2,
+ Eina_Bool v1,
+ unsigned long long v2)
+{
+ st2->b1 = v1;
+ st2->v1 = v2;
+} /* _st2_set */
+
+static void
+_st3_set(Example_Struct3 *st3,
+ int v1)
+{
+ st3->body = v1;
+} /* _st3_set */
+
+static const char * /* union type_get() */
+_union_type_get(const void *data,
+ Eina_Bool *unknow)
+{
+ const Example_Data_Type *u = data;
+ int i;
+
+ if (unknow)
+ *unknow = EINA_FALSE;
+
+ for (i = 0; eet_mapping[i].name != NULL; ++i)
+ if (*u == eet_mapping[i].u)
+ return eet_mapping[i].name;
+
+ if (unknow)
+ *unknow = EINA_TRUE;
+
+ return NULL;
+} /* _union_type_get */
+
+static Eina_Bool
+_union_type_set(const char *type,
+ void *data,
+ Eina_Bool unknow)
+{
+ Example_Data_Type *u = data;
+ int i;
+
+ if (unknow)
+ return EINA_FALSE;
+
+ for (i = 0; eet_mapping[i].name != NULL; ++i)
+ if (strcmp(eet_mapping[i].name, type) == 0)
+ {
+ *u = eet_mapping[i].u;
+ return EINA_TRUE;
+ }
+
+ return EINA_FALSE;
+} /* _union_type_set */
+
+static const char *
+_variant_type_get(const void *data,
+ Eina_Bool *unknow)
+{
+ const Example_Variant_Type *type = data;
+ int i;
+
+ if (unknow)
+ *unknow = type->unknow;
+
+ for (i = 0; eet_mapping[i].name != NULL; ++i)
+ if (strcmp(type->type, eet_mapping[i].name) == 0)
+ return eet_mapping[i].name;
+
+ if (unknow)
+ *unknow = EINA_FALSE;
+
+ return type->type;
+} /* _variant_type_get */
+
+static Eina_Bool
+_variant_type_set(const char *type,
+ void *data,
+ Eina_Bool unknow)
+{
+ Example_Variant_Type *vt = data;
+
+ vt->type = type;
+ vt->unknow = unknow;
+ return EINA_TRUE;
+} /* _variant_type_set */
+
+static Eet_Data_Descriptor *
+_st1_dd(void)
+{
+ Eet_Data_Descriptor_Class eddc;
+ Eet_Data_Descriptor *res;
+
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Struct1);
+ res = eet_data_descriptor_file_new(&eddc);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct1, "val1", val1, EET_T_DOUBLE);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct1, "stuff", stuff, EET_T_INT);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct1, "s1", s1, EET_T_STRING);
+
+ return res;
+} /* _st1_dd */
+
+static Eet_Data_Descriptor *
+_st2_dd(void)
+{
+ Eet_Data_Descriptor_Class eddc;
+ Eet_Data_Descriptor *res;
+
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Struct2);
+ res = eet_data_descriptor_file_new(&eddc);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct2, "b1", b1, EET_T_UCHAR);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct2, "v1", v1, EET_T_ULONG_LONG);
+
+ return res;
+} /* _st2_dd */
+
+static Eet_Data_Descriptor *
+_st3_dd(void)
+{
+ Eet_Data_Descriptor_Class eddc;
+ Eet_Data_Descriptor *res;
+
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Struct3);
+ res = eet_data_descriptor_file_new(&eddc);
+ EET_DATA_DESCRIPTOR_ADD_BASIC(
+ res, Example_Struct3, "body", body, EET_T_INT);
+
+ return res;
+} /* _st3_dd */
+
+/* string that represents the entry in the eet file. you might like to
+ * have different profiles or so in the same file, this is possible
+ * with different strings
+ */
+static const char CACHE_FILE_ENTRY[] = "cache";
+
+/* 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 *_lists_descriptor;
+static Eet_Data_Descriptor *_struct_1_descriptor;
+static Eet_Data_Descriptor *_struct_2_descriptor;
+static Eet_Data_Descriptor *_struct_3_descriptor;
+static Eet_Data_Descriptor *_union_descriptor;
+static Eet_Data_Descriptor *_variant_descriptor;
+static Eet_Data_Descriptor *_union_unified_descriptor;
+static Eet_Data_Descriptor *_variant_unified_descriptor;
+
+/* keep file handle alive, so mmap()ed strings are all alive as
+ * well */
+static Eet_File *_cache_file = NULL;
+static Eet_Dictionary *_cache_dict = NULL;
+
+static void /* declaring types */
+_data_descriptors_init(void)
+{
+ Eet_Data_Descriptor_Class eddc;
+
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Lists);
+ _lists_descriptor = eet_data_descriptor_file_new(&eddc);
+
+ _struct_1_descriptor = _st1_dd();
+ _struct_2_descriptor = _st2_dd();
+ _struct_3_descriptor = _st3_dd();
+
+ /* for union */
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Union);
+ _union_descriptor = eet_data_descriptor_file_new(&eddc);
+
+ eddc.version = EET_DATA_DESCRIPTOR_CLASS_VERSION;
+ eddc.func.type_get = _union_type_get;
+ eddc.func.type_set = _union_type_set;
+ _union_unified_descriptor = eet_data_descriptor_file_new(&eddc);
+
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _union_unified_descriptor, "ST1", _struct_1_descriptor);
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _union_unified_descriptor, "ST2", _struct_2_descriptor);
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _union_unified_descriptor, "ST3", _struct_3_descriptor);
+
+ EET_DATA_DESCRIPTOR_ADD_UNION(
+ _union_descriptor, Example_Union, "u", u, type,
+ _union_unified_descriptor);
+
+ EET_DATA_DESCRIPTOR_ADD_LIST(
+ _lists_descriptor, Example_Lists, "union_list", union_list,
+ _union_descriptor);
+
+ /* for variant */
+ EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Example_Variant);
+ _variant_descriptor = eet_data_descriptor_file_new(&eddc);
+
+ eddc.version = EET_DATA_DESCRIPTOR_CLASS_VERSION;
+ eddc.func.type_get = _variant_type_get;
+ eddc.func.type_set = _variant_type_set;
+ _variant_unified_descriptor = eet_data_descriptor_stream_new(&eddc);
+
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _variant_unified_descriptor, "ST1", _struct_1_descriptor);
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _variant_unified_descriptor, "ST2", _struct_2_descriptor);
+ EET_DATA_DESCRIPTOR_ADD_MAPPING(
+ _variant_unified_descriptor, "ST3", _struct_3_descriptor);
+
+ EET_DATA_DESCRIPTOR_ADD_VARIANT(
+ _variant_descriptor, Example_Variant, "data", data, t,
+ _variant_unified_descriptor);
+
+ EET_DATA_DESCRIPTOR_ADD_LIST(
+ _lists_descriptor, Example_Lists, "variant_list", variant_list,
+ _variant_descriptor);
+} /* _data_descriptors_init */
+
+static void
+_data_descriptors_shutdown(void)
+{
+ eet_data_descriptor_free(_lists_descriptor);
+ eet_data_descriptor_free(_struct_1_descriptor);
+ eet_data_descriptor_free(_struct_2_descriptor);
+ eet_data_descriptor_free(_struct_3_descriptor);
+ eet_data_descriptor_free(_union_descriptor);
+ eet_data_descriptor_free(_variant_descriptor);
+ eet_data_descriptor_free(_union_unified_descriptor);
+ eet_data_descriptor_free(_variant_unified_descriptor);
+} /* _data_descriptors_shutdown */
+
+/* need to check if the pointer came from mmap()ed area in
+ * eet_dictionary or it was allocated with eina_stringshare_add()
+ */
+static void
+_string_free(const char *str)
+{
+ if (!str)
+ return;
+
+ if ((_cache_dict) && (eet_dictionary_string_check(_cache_dict, str)))
+ return;
+
+ eina_stringshare_del(str);
+} /* _string_free */
+
+static Example_Union *
+_union_1_new(const char *v1,
+ const char *v2,
+ const char *v3)
+{
+ Example_Union *un = calloc(1, sizeof(Example_Union));
+ if (!un)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Union struct.\n");
+ return NULL;
+ }
+
+ un->type = EET_STRUCT1;
+ _st1_set(&(un->u.st1), atof(v1), atoi(v2), eina_stringshare_add(v3));
+
+ return un;
+}
+
+static Example_Union *
+_union_2_new(const char *v1,
+ const char *v2)
+{
+ Example_Union *un = calloc(1, sizeof(Example_Union));
+ if (!un)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Union struct.\n");
+ return NULL;
+ }
+
+ un->type = EET_STRUCT2;
+ _st2_set(&(un->u.st2), atoi(v1), atoi(v2));
+
+ return un;
+}
+
+static Example_Union *
+_union_3_new(const char *v1)
+{
+ Example_Union *un = calloc(1, sizeof(Example_Union));
+ if (!un)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Union struct.\n");
+ return NULL;
+ }
+
+ un->type = EET_STRUCT3;
+ _st3_set(&(un->u.st3), atoi(v1));
+
+ return un;
+}
+
+static Example_Variant *
+_variant_1_new(const char *v1,
+ const char *v2,
+ const char *v3)
+{
+ Example_Struct1 *st1;
+ Example_Variant *va = calloc(1, sizeof(Example_Variant));
+ if (!va)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Variant struct.\n");
+ return NULL;
+ }
+
+ va = calloc(1, sizeof (Example_Variant));
+ va->t.type = eet_mapping[0].name;
+ st1 = calloc(1, sizeof (Example_Struct1));
+ _st1_set(st1, atof(v1), atoi(v2), eina_stringshare_add(v3));
+ va->data = st1;
+
+ return va;
+}
+
+static Example_Variant *
+_variant_2_new(const char *v1,
+ const char *v2)
+{
+ printf("varinant 2 new\n");
+
+ Example_Struct2 *st2;
+ Example_Variant *va = calloc(1, sizeof(Example_Variant));
+ if (!va)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Variant struct.\n");
+ return NULL;
+ }
+
+ va = calloc(1, sizeof (Example_Variant));
+
+ va->t.type = eet_mapping[1].name;
+
+ printf("type gets %s\n", va->t.type);
+
+ st2 = calloc(1, sizeof (Example_Struct2));
+ _st2_set(st2, atoi(v1), atoi(v2));
+ va->data = st2;
+
+ return va;
+}
+
+static Example_Variant *
+_variant_3_new(const char *v1)
+{
+ Example_Struct3 *st3;
+ Example_Variant *va = calloc(1, sizeof(Example_Variant));
+ if (!va)
+ {
+ fprintf(
+ stderr, "ERROR: could not allocate an Example_Variant struct.\n");
+ return NULL;
+ }
+
+ va = calloc(1, sizeof (Example_Variant));
+ va->t.type = eet_mapping[2].name;
+ st3 = calloc(1, sizeof (Example_Struct3));
+ _st3_set(st3, atoi(v1));
+ va->data = st3;
+
+ return va;
+}
+
+static Example_Lists *
+_data_new(void)
+{
+ Example_Lists *example_lists = calloc(1, sizeof(Example_Lists));
+ if (!example_lists)
+ {
+ fprintf(stderr, "ERROR: could not allocate a Example_Lists struct.\n");
+ return NULL;
+ }
+
+ return example_lists;
+} /* _data_new */
+
+static void
+_union_free(Example_Union *un)
+{
+ if (un->type == EET_STRUCT1)
+ {
+ Example_Struct1 *st1 = &(un->u.st1);
+ _string_free(st1->s1);
+ }
+
+ free(un);
+}
+
+static void
+_variant_free(Example_Variant *va)
+{
+ if (!strcmp(va->t.type, eet_mapping[0].name))
+ {
+ Example_Struct1 *st1 = va->data;
+ _string_free(st1->s1);
+ }
+
+ free(va->data);
+ free(va);
+}
+
+static void
+_data_free(Example_Lists *cache)
+{
+ Example_Union *un;
+ Example_Variant *va;
+
+ EINA_LIST_FREE(cache->union_list, un)
+ _union_free(un);
+
+ EINA_LIST_FREE(cache->variant_list, va)
+ _variant_free(va);
+
+ free(cache);
+} /* _data_free */
+
+static Example_Lists *
+_data_load(const char *filename)
+{
+ Example_Lists *data;
+ 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;
+ }
+
+ data = eet_data_read(ef, _lists_descriptor, CACHE_FILE_ENTRY);
+ if (!data)
+ {
+ eet_close(ef);
+ return NULL;
+ }
+
+ if (_cache_file)
+ eet_close(_cache_file);
+
+ _cache_file = ef;
+ _cache_dict = eet_dictionary_get(ef);
+
+ return data;
+} /* _data_load */
+
+static Eina_Bool
+_data_save(const Example_Lists *cache,
+ 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, _lists_descriptor, CACHE_FILE_ENTRY, cache, EINA_TRUE);
+
+ eet_close(ef);
+
+ if (ret)
+ {
+ unlink(filename);
+ rename(tmp, filename);
+ }
+
+ return ret;
+} /* _data_save */
+
+static void
+_print_union(const Example_Union *un)
+{
+ printf("\t | type: %s'\n", eet_mapping[un->type - 1].name);
+
+ switch (un->type)
+ {
+ case EET_STRUCT1:
+ printf("\t\t val1: %f\n", un->u.st1.val1);
+ printf("\t\t stuff: %d\n", un->u.st1.stuff);
+ printf("\t\t s1: %s\n", un->u.st1.s1);
+ break;
+
+ case EET_STRUCT2:
+ printf("\t\t val1: %i\n", un->u.st2.b1);
+ printf("\t\t stuff: %lli\n", un->u.st2.v1);
+ break;
+
+ case EET_STRUCT3:
+ printf("\t\t val1: %i\n", un->u.st3.body);
+ break;
+
+ default:
+ return;
+ }
+}
+
+static void
+_print_variant(const Example_Variant *va)
+{
+ printf("\t | type: %s'\n", va->t.type);
+
+ switch (va->t.type[2])
+ {
+ case '1':
+ {
+ Example_Struct1 *st1 = va->data;
+
+ printf("\t\t val1: %f\n", st1->val1);
+ printf("\t\t stuff: %d\n", st1->stuff);
+ printf("\t\t s1: %s\n", st1->s1);
+ }
+ break;
+
+ case '2':
+ {
+ Example_Struct2 *st2 = va->data;
+
+ printf("\t\t val1: %i\n", st2->b1);
+ printf("\t\t stuff: %lli\n", st2->v1);
+ }
+ break;
+
+ case '3':
+ {
+ Example_Struct3 *st3 = va->data;
+
+ printf("\t\t val1: %i\n", st3->body);
+ }
+ break;
+
+ default:
+ return;
+ }
+}
+
+int
+main(int argc,
+ char *argv[])
+{
+ Example_Lists *data_lists;
+ int ret = 0;
+
+ if (argc < 3)
+ {
+ fprintf(stderr,
+ "Usage:\n\t%s