182 lines
4.9 KiB
C
182 lines
4.9 KiB
C
#define EFL_BETA_API_SUPPORT 1
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#include <stdio.h>
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#include <sys/time.h>
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#include <Eina.h>
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#include <Efl_Core.h>
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/*
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* Eina Value custom examples.
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*
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* Eina_Value allows the definition of custom types which can be passed like
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* any other Eina_Value. This example defines a custom timezone type and all
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* the methods that must be implemented for a custom type.
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* As this encapsulates the system timezone struct we initialise it from
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* the gettimeofday method..
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*/
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static Eina_Bool
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_tz_setup(const Eina_Value_Type *type, void *mem)
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{
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memset(mem, 0, type->value_size);
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return EINA_TRUE;
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}
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static Eina_Bool
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_tz_flush(const Eina_Value_Type *type EINA_UNUSED, void *mem EINA_UNUSED)
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{
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return EINA_TRUE;
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}
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static Eina_Bool
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_tz_copy(const Eina_Value_Type *type EINA_UNUSED, const void *src, void * dst)
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{
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struct timezone *tzsrc = (struct timezone *)src;
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struct timezone *tzdst = dst;
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*tzdst = *tzsrc;
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return EINA_TRUE;
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}
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static int
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_tz_compare(const Eina_Value_Type *type EINA_UNUSED, const void *a, const void *b)
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{
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struct timezone tza = *(struct timezone*)a;
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struct timezone tzb = *(struct timezone*)b;
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if (tza.tz_minuteswest < tzb.tz_minuteswest)
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return -1;
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else if (tza.tz_minuteswest > tzb.tz_minuteswest)
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return 1;
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return 0;
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}
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static Eina_Bool
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_tz_pset(const Eina_Value_Type *type EINA_UNUSED, void *mem, const void *ptr)
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{
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*(struct timezone*)mem = *(struct timezone*)ptr;
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return EINA_TRUE;
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}
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static Eina_Bool
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_tz_vset(const Eina_Value_Type *type, void *mem, va_list args)
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{
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const struct timezone tz = va_arg(args, struct timezone);
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return _tz_pset(type, mem, &tz);
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}
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static Eina_Bool
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_tz_pget(const Eina_Value_Type *type, const void *mem, void *ptr)
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{
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memcpy(ptr, mem, type->value_size);
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return EINA_TRUE;
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}
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static Eina_Bool
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_tz_convert_to(const Eina_Value_Type *type EINA_UNUSED, const Eina_Value_Type *convert, const void *type_mem, void *convert_mem)
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{
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struct timezone v = *(struct timezone*)type_mem;
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if (convert == EINA_VALUE_TYPE_UCHAR)
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{
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unsigned char val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_USHORT)
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{
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unsigned short val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_UINT)
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{
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unsigned int val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if ((convert == EINA_VALUE_TYPE_ULONG) || (convert == EINA_VALUE_TYPE_TIMESTAMP))
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{
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unsigned long val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_UINT64)
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{
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uint64_t val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_CHAR)
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{
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char val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_SHORT)
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{
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short val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_INT)
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{
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int val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_LONG)
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{
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long val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_INT64)
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{
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int64_t val_type = v.tz_minuteswest;
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return eina_value_type_pset(convert, convert_mem, &val_type);
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}
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else if (convert == EINA_VALUE_TYPE_FLOAT)
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return eina_value_type_pset(convert, convert_mem, &v.tz_minuteswest);
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else if (convert == EINA_VALUE_TYPE_DOUBLE)
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return eina_value_type_pset(convert, convert_mem, &v.tz_minuteswest);
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else if (convert == EINA_VALUE_TYPE_STRINGSHARE ||
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convert == EINA_VALUE_TYPE_STRING)
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{
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const char *buf;
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buf = eina_slstr_printf("+%03dh", v.tz_minuteswest);
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return eina_value_type_pset(convert, convert_mem, &buf);
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}
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return EINA_FALSE;
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}
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static Eina_Value_Type TZ_TYPE = {
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EINA_VALUE_TYPE_VERSION,
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sizeof(struct timezone),
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"struct timezone",
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_tz_setup,
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_tz_flush,
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_tz_copy,
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_tz_compare,
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_tz_convert_to,
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NULL, // No convert from
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_tz_vset,
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_tz_pset,
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_tz_pget
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};
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EAPI_MAIN void
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efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
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{
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Eina_Value value_tz;
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struct timeval time;
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struct timezone zone;
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char *s;
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eina_value_setup(&value_tz, &TZ_TYPE);
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gettimeofday(&time, &zone);
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eina_value_set(&value_tz, zone);
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s = eina_value_to_string(&value_tz);
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printf("Current timezone: %s\n", s);
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free(s);
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eina_value_free(&value_tz);
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efl_exit(0);
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}
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EFL_MAIN()
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