diff options
Diffstat (limited to 'include/lib/ubjson/ubj_internal.h')
| -rw-r--r-- | include/lib/ubjson/ubj_internal.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/include/lib/ubjson/ubj_internal.h b/include/lib/ubjson/ubj_internal.h new file mode 100644 index 0000000..fc61697 --- /dev/null +++ b/include/lib/ubjson/ubj_internal.h @@ -0,0 +1,163 @@ +#ifndef UBJ_INTERNAL_H
+#define UBJ_INTERNAL_H
+
+#include "ubj.h"
+#include <stdlib.h>
+#include <string.h>
+
+#if _MSC_VER
+#define inline __inline
+#endif
+
+
+static const uint8_t UBJI_TYPEC_convert[UBJ_NUM_TYPES] = "\x00ZNTFCSHiUIlLdD[{";
+
+static const int UBJI_TYPE_size[UBJ_NUM_TYPES] =
+ { -1, //MIXED
+ 0, //NULLTYPE
+ 0, //NOOP
+ 0, //BOOL_TRUE
+ 0, //BOOL_FALSE
+ 1, //CHAR
+ sizeof(const char*), //STRING
+ sizeof(const char*), //high-precision
+ 1, //INT8
+ 1, //UINT8
+ 2, //int16
+ 4, //int32
+ 8, //int64
+ 4, //float32
+ 8, //float64
+ -1, //array
+ -1 //object
+ };
+
+static const size_t UBJR_TYPE_localsize[UBJ_NUM_TYPES] =
+{
+ sizeof(ubjr_dynamic_t), //MIXED
+ 0, //NULLTYPE
+ 0, //NOOP
+ 0, //BOOL_TRUE
+ 0, //BOOL_FALSE
+ sizeof(ubjr_string_t), //CHAR
+ sizeof(ubjr_string_t), //STRING
+ sizeof(ubjr_string_t), //high-precision
+ sizeof(int8_t), //INT8
+ sizeof(uint8_t), //UINT8
+ sizeof(int16_t), //int16
+ sizeof(int32_t), //int32
+ sizeof(int64_t), //int64
+ sizeof(float), //float32
+ sizeof(double), //float64
+ sizeof(ubjr_array_t), //array
+ sizeof(ubjr_object_t) //object
+};
+
+static inline void _to_bigendian16(uint8_t* outbuffer, uint16_t input)
+{
+ *outbuffer++ = (input >> 8); // Get top order byte (guaranteed endian-independent since machine registers)
+ *outbuffer++ = input & 0xFF; // Get bottom order byte
+}
+static inline void _to_bigendian32(uint8_t* outbuffer, uint32_t input)
+{
+ _to_bigendian16(outbuffer, (uint16_t)(input >> 16)); // Get top order 2 bytes
+ _to_bigendian16(outbuffer + 2, (uint16_t)(input & 0xFFFF)); // Get bottom order 2 bytes
+}
+static inline void _to_bigendian64(uint8_t* outbuffer, uint64_t input)
+{
+ _to_bigendian32(outbuffer, (uint32_t)(input >> 32));
+ _to_bigendian32(outbuffer + 4, (uint32_t)(input & 0xFFFFFFFF));
+}
+
+static inline uint8_t _is_bigendian()
+{
+ int i = 1;
+ char *low = (char*)&i;
+ return *low ? 0 : 1;
+}
+
+#define BUF_BIG_ENDIAN_SWAP(type,func,ptr,num) \
+ { \
+ size_t i;type* d = (type*)ptr; \
+ for (i = 0; i < num; i++) \
+ { \
+ func((uint8_t*)&d[i], d[i]); \
+ } \
+ } \
+
+static inline void buf_endian_swap(uint8_t* buf, size_t sz, size_t n)
+{
+ if (!_is_bigendian())
+ {
+ switch (sz)
+ {
+ case 1:
+ case 0:
+ break;
+ case 2:
+ BUF_BIG_ENDIAN_SWAP(uint16_t, _to_bigendian16,buf,n);
+ break;
+ case 4:
+ BUF_BIG_ENDIAN_SWAP(uint32_t, _to_bigendian32,buf,n);
+ break;
+ case 8:
+ BUF_BIG_ENDIAN_SWAP(uint64_t, _to_bigendian64,buf,n);
+ break;
+ };
+ }
+}
+
+//warning...null-terminated strings are assumed...when this is not necessarily valid. FIXED: we don't use null-terminated strings in the reader (NOT FIXED...string type is awkward)
+static inline ubjr_dynamic_t priv_ubjr_pointer_to_dynamic(UBJ_TYPE typ, const void* dat)
+{
+ ubjr_dynamic_t outdyn;
+ outdyn.type = typ;
+ size_t n = 1;
+ switch (typ)
+ {
+ case UBJ_NULLTYPE:
+ case UBJ_NOOP:
+ break;
+ case UBJ_BOOL_TRUE:
+ case UBJ_BOOL_FALSE:
+ outdyn.boolean = (typ == UBJ_BOOL_TRUE ? 1 : 0);
+ break;
+ case UBJ_HIGH_PRECISION:
+ case UBJ_STRING:
+ case UBJ_CHAR://possibly if char allocate, otherwise don't
+ outdyn.string = *(const ubjr_string_t*)dat;
+ break;
+ case UBJ_INT8:
+ outdyn.integer = *(const int8_t*)dat;
+ break;
+ case UBJ_UINT8:
+ outdyn.integer = *(const uint8_t*)dat;
+ break;
+ case UBJ_INT16:
+ outdyn.integer = *(const int16_t*)dat;
+ break;
+ case UBJ_INT32:
+ outdyn.integer = *(const int32_t*)dat;
+ break;
+ case UBJ_INT64:
+ outdyn.integer = *(const int64_t*)dat;
+ break;
+ case UBJ_FLOAT32:
+ outdyn.real = *(const float*)dat;
+ break;
+ case UBJ_FLOAT64:
+ outdyn.real = *(const double*)dat;
+ break;
+ case UBJ_ARRAY:
+ outdyn.container_array = *(const ubjr_array_t*)dat;
+ break;
+ case UBJ_OBJECT:
+ outdyn.container_object = *(const ubjr_object_t*)dat;
+ break;
+ case UBJ_MIXED:
+ outdyn = *(const ubjr_dynamic_t*)dat;
+ };
+ return outdyn;
+}
+
+#endif
\ No newline at end of file |