sforkowany z mirror/meshtastic-firmware
831 wiersze
37 KiB
C++
831 wiersze
37 KiB
C++
/* Common parts of the nanopb library. Most of these are quite low-level
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* stuff. For the high-level interface, see pb_encode.h and pb_decode.h.
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*/
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#ifndef PB_H_INCLUDED
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#define PB_H_INCLUDED
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/*****************************************************************
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* Nanopb compilation time options. You can change these here by *
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* uncommenting the lines, or on the compiler command line. *
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*****************************************************************/
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/* Enable support for dynamically allocated fields */
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/* #define PB_ENABLE_MALLOC 1 */
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/* Define this if your CPU / compiler combination does not support
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* unaligned memory access to packed structures. */
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/* #define PB_NO_PACKED_STRUCTS 1 */
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/* Increase the number of required fields that are tracked.
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* A compiler warning will tell if you need this. */
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/* #define PB_MAX_REQUIRED_FIELDS 256 */
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/* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */
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/* #define PB_FIELD_32BIT 1 */
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/* Disable support for error messages in order to save some code space. */
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/* #define PB_NO_ERRMSG 1 */
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/* Disable support for custom streams (support only memory buffers). */
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/* #define PB_BUFFER_ONLY 1 */
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/* Disable support for 64-bit datatypes, for compilers without int64_t
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or to save some code space. */
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/* #define PB_WITHOUT_64BIT 1 */
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/* Don't encode scalar arrays as packed. This is only to be used when
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* the decoder on the receiving side cannot process packed scalar arrays.
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* Such example is older protobuf.js. */
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/* #define PB_ENCODE_ARRAYS_UNPACKED 1 */
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/* Enable conversion of doubles to floats for platforms that do not
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* support 64-bit doubles. Most commonly AVR. */
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/* #define PB_CONVERT_DOUBLE_FLOAT 1 */
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/* Check whether incoming strings are valid UTF-8 sequences. Slows down
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* the string processing slightly and slightly increases code size. */
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/* #define PB_VALIDATE_UTF8 1 */
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/******************************************************************
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* You usually don't need to change anything below this line. *
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* Feel free to look around and use the defined macros, though. *
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******************************************************************/
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/* Version of the nanopb library. Just in case you want to check it in
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* your own program. */
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#define NANOPB_VERSION nanopb-0.4.1
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/* Include all the system headers needed by nanopb. You will need the
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* definitions of the following:
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* - strlen, memcpy, memset functions
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* - [u]int_least8_t, uint_fast8_t, [u]int_least16_t, [u]int32_t, [u]int64_t
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* - size_t
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* - bool
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*
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* If you don't have the standard header files, you can instead provide
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* a custom header that defines or includes all this. In that case,
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* define PB_SYSTEM_HEADER to the path of this file.
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*/
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#ifdef PB_SYSTEM_HEADER
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#include PB_SYSTEM_HEADER
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#else
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <string.h>
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#include <limits.h>
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#ifdef PB_ENABLE_MALLOC
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#include <stdlib.h>
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Macro for defining packed structures (compiler dependent).
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* This just reduces memory requirements, but is not required.
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*/
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#if defined(PB_NO_PACKED_STRUCTS)
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/* Disable struct packing */
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# define PB_PACKED_STRUCT_START
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# define PB_PACKED_STRUCT_END
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# define pb_packed
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#elif defined(__GNUC__) || defined(__clang__)
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/* For GCC and clang */
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# define PB_PACKED_STRUCT_START
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# define PB_PACKED_STRUCT_END
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# define pb_packed __attribute__((packed))
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#elif defined(__ICCARM__) || defined(__CC_ARM)
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/* For IAR ARM and Keil MDK-ARM compilers */
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# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)")
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# define PB_PACKED_STRUCT_END _Pragma("pack(pop)")
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# define pb_packed
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#elif defined(_MSC_VER) && (_MSC_VER >= 1500)
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/* For Microsoft Visual C++ */
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# define PB_PACKED_STRUCT_START __pragma(pack(push, 1))
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# define PB_PACKED_STRUCT_END __pragma(pack(pop))
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# define pb_packed
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#else
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/* Unknown compiler */
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# define PB_PACKED_STRUCT_START
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# define PB_PACKED_STRUCT_END
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# define pb_packed
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#endif
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/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
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#ifndef PB_UNUSED
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#define PB_UNUSED(x) (void)(x)
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#endif
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/* Harvard-architecture processors may need special attributes for storing
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* field information in program memory. */
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#ifndef PB_PROGMEM
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#ifdef __AVR__
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#include <avr/pgmspace.h>
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#define PB_PROGMEM PROGMEM
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#define PB_PROGMEM_READU32(x) pgm_read_dword(&x)
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#else
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#define PB_PROGMEM
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#define PB_PROGMEM_READU32(x) (x)
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#endif
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#endif
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/* Compile-time assertion, used for checking compatible compilation options.
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* If this does not work properly on your compiler, use
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* #define PB_NO_STATIC_ASSERT to disable it.
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*
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* But before doing that, check carefully the error message / place where it
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* comes from to see if the error has a real cause. Unfortunately the error
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* message is not always very clear to read, but you can see the reason better
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* in the place where the PB_STATIC_ASSERT macro was called.
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*/
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#ifndef PB_NO_STATIC_ASSERT
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# ifndef PB_STATIC_ASSERT
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# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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/* C11 standard _Static_assert mechanism */
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# define PB_STATIC_ASSERT(COND,MSG) _Static_assert(COND,#MSG);
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# else
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/* Classic negative-size-array static assert mechanism */
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# define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
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# define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
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# define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##_##LINE##_##COUNTER
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# endif
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# endif
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#else
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/* Static asserts disabled by PB_NO_STATIC_ASSERT */
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# define PB_STATIC_ASSERT(COND,MSG)
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#endif
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/* Number of required fields to keep track of. */
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#ifndef PB_MAX_REQUIRED_FIELDS
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#define PB_MAX_REQUIRED_FIELDS 64
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#endif
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#if PB_MAX_REQUIRED_FIELDS < 64
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#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64).
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#endif
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#ifdef PB_WITHOUT_64BIT
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#ifdef PB_CONVERT_DOUBLE_FLOAT
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/* Cannot use doubles without 64-bit types */
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#undef PB_CONVERT_DOUBLE_FLOAT
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#endif
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#endif
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/* List of possible field types. These are used in the autogenerated code.
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* Least-significant 4 bits tell the scalar type
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* Most-significant 4 bits specify repeated/required/packed etc.
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*/
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typedef uint_least8_t pb_type_t;
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/**** Field data types ****/
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/* Numeric types */
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#define PB_LTYPE_BOOL 0x00U /* bool */
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#define PB_LTYPE_VARINT 0x01U /* int32, int64, enum, bool */
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#define PB_LTYPE_UVARINT 0x02U /* uint32, uint64 */
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#define PB_LTYPE_SVARINT 0x03U /* sint32, sint64 */
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#define PB_LTYPE_FIXED32 0x04U /* fixed32, sfixed32, float */
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#define PB_LTYPE_FIXED64 0x05U /* fixed64, sfixed64, double */
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/* Marker for last packable field type. */
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#define PB_LTYPE_LAST_PACKABLE 0x05U
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/* Byte array with pre-allocated buffer.
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* data_size is the length of the allocated PB_BYTES_ARRAY structure. */
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#define PB_LTYPE_BYTES 0x06U
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/* String with pre-allocated buffer.
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* data_size is the maximum length. */
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#define PB_LTYPE_STRING 0x07U
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/* Submessage
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* submsg_fields is pointer to field descriptions */
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#define PB_LTYPE_SUBMESSAGE 0x08U
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/* Submessage with pre-decoding callback
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* The pre-decoding callback is stored as pb_callback_t right before pSize.
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* submsg_fields is pointer to field descriptions */
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#define PB_LTYPE_SUBMSG_W_CB 0x09U
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/* Extension pseudo-field
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* The field contains a pointer to pb_extension_t */
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#define PB_LTYPE_EXTENSION 0x0AU
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/* Byte array with inline, pre-allocated byffer.
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* data_size is the length of the inline, allocated buffer.
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* This differs from PB_LTYPE_BYTES by defining the element as
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* pb_byte_t[data_size] rather than pb_bytes_array_t. */
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#define PB_LTYPE_FIXED_LENGTH_BYTES 0x0BU
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/* Number of declared LTYPES */
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#define PB_LTYPES_COUNT 0x0CU
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#define PB_LTYPE_MASK 0x0FU
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/**** Field repetition rules ****/
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#define PB_HTYPE_REQUIRED 0x00U
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#define PB_HTYPE_OPTIONAL 0x10U
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#define PB_HTYPE_SINGULAR 0x10U
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#define PB_HTYPE_REPEATED 0x20U
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#define PB_HTYPE_FIXARRAY 0x20U
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#define PB_HTYPE_ONEOF 0x30U
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#define PB_HTYPE_MASK 0x30U
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/**** Field allocation types ****/
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#define PB_ATYPE_STATIC 0x00U
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#define PB_ATYPE_POINTER 0x80U
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#define PB_ATYPE_CALLBACK 0x40U
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#define PB_ATYPE_MASK 0xC0U
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#define PB_ATYPE(x) ((x) & PB_ATYPE_MASK)
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#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK)
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#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK)
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#define PB_LTYPE_IS_SUBMSG(x) (PB_LTYPE(x) == PB_LTYPE_SUBMESSAGE || \
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PB_LTYPE(x) == PB_LTYPE_SUBMSG_W_CB)
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/* Data type used for storing sizes of struct fields
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* and array counts.
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*/
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#if defined(PB_FIELD_32BIT)
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typedef uint32_t pb_size_t;
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typedef int32_t pb_ssize_t;
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#else
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typedef uint_least16_t pb_size_t;
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typedef int_least16_t pb_ssize_t;
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#endif
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#define PB_SIZE_MAX ((pb_size_t)-1)
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/* Data type for storing encoded data and other byte streams.
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* This typedef exists to support platforms where uint8_t does not exist.
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* You can regard it as equivalent on uint8_t on other platforms.
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*/
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typedef uint_least8_t pb_byte_t;
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/* Forward declaration of struct types */
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typedef struct pb_istream_s pb_istream_t;
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typedef struct pb_ostream_s pb_ostream_t;
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typedef struct pb_field_iter_s pb_field_iter_t;
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/* This structure is used in auto-generated constants
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* to specify struct fields.
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*/
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PB_PACKED_STRUCT_START
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typedef struct pb_msgdesc_s pb_msgdesc_t;
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struct pb_msgdesc_s {
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pb_size_t field_count;
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const uint32_t *field_info;
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const pb_msgdesc_t * const * submsg_info;
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const pb_byte_t *default_value;
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bool (*field_callback)(pb_istream_t *istream, pb_ostream_t *ostream, const pb_field_iter_t *field);
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} pb_packed;
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PB_PACKED_STRUCT_END
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/* Iterator for message descriptor */
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struct pb_field_iter_s {
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const pb_msgdesc_t *descriptor; /* Pointer to message descriptor constant */
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void *message; /* Pointer to start of the structure */
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pb_size_t index; /* Index of the field */
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pb_size_t field_info_index; /* Index to descriptor->field_info array */
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pb_size_t required_field_index; /* Index that counts only the required fields */
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pb_size_t submessage_index; /* Index that counts only submessages */
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pb_size_t tag; /* Tag of current field */
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pb_size_t data_size; /* sizeof() of a single item */
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pb_size_t array_size; /* Number of array entries */
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pb_type_t type; /* Type of current field */
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void *pField; /* Pointer to current field in struct */
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void *pData; /* Pointer to current data contents. Different than pField for arrays and pointers. */
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void *pSize; /* Pointer to count/has field */
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const pb_msgdesc_t *submsg_desc; /* For submessage fields, pointer to field descriptor for the submessage. */
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};
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/* For compatibility with legacy code */
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typedef pb_field_iter_t pb_field_t;
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/* Make sure that the standard integer types are of the expected sizes.
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* Otherwise fixed32/fixed64 fields can break.
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*
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* If you get errors here, it probably means that your stdint.h is not
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* correct for your platform.
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*/
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#ifndef PB_WITHOUT_64BIT
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PB_STATIC_ASSERT(sizeof(int64_t) == 2 * sizeof(int32_t), INT64_T_WRONG_SIZE)
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PB_STATIC_ASSERT(sizeof(uint64_t) == 2 * sizeof(uint32_t), UINT64_T_WRONG_SIZE)
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#endif
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/* This structure is used for 'bytes' arrays.
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* It has the number of bytes in the beginning, and after that an array.
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* Note that actual structs used will have a different length of bytes array.
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*/
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#define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; pb_byte_t bytes[n]; }
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#define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes))
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struct pb_bytes_array_s {
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pb_size_t size;
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pb_byte_t bytes[1];
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};
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typedef struct pb_bytes_array_s pb_bytes_array_t;
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/* This structure is used for giving the callback function.
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* It is stored in the message structure and filled in by the method that
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* calls pb_decode.
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*
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* The decoding callback will be given a limited-length stream
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* If the wire type was string, the length is the length of the string.
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* If the wire type was a varint/fixed32/fixed64, the length is the length
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* of the actual value.
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* The function may be called multiple times (especially for repeated types,
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* but also otherwise if the message happens to contain the field multiple
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* times.)
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*
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* The encoding callback will receive the actual output stream.
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* It should write all the data in one call, including the field tag and
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* wire type. It can write multiple fields.
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*
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* The callback can be null if you want to skip a field.
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*/
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typedef struct pb_callback_s pb_callback_t;
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struct pb_callback_s {
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/* Callback functions receive a pointer to the arg field.
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* You can access the value of the field as *arg, and modify it if needed.
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*/
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union {
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bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void **arg);
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bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, void * const *arg);
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} funcs;
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/* Free arg for use by callback */
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void *arg;
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};
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extern bool pb_default_field_callback(pb_istream_t *istream, pb_ostream_t *ostream, const pb_field_t *field);
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/* Wire types. Library user needs these only in encoder callbacks. */
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typedef enum {
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PB_WT_VARINT = 0,
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PB_WT_64BIT = 1,
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PB_WT_STRING = 2,
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PB_WT_32BIT = 5
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} pb_wire_type_t;
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/* Structure for defining the handling of unknown/extension fields.
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* Usually the pb_extension_type_t structure is automatically generated,
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* while the pb_extension_t structure is created by the user. However,
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* if you want to catch all unknown fields, you can also create a custom
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* pb_extension_type_t with your own callback.
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*/
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typedef struct pb_extension_type_s pb_extension_type_t;
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typedef struct pb_extension_s pb_extension_t;
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struct pb_extension_type_s {
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/* Called for each unknown field in the message.
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* If you handle the field, read off all of its data and return true.
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* If you do not handle the field, do not read anything and return true.
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* If you run into an error, return false.
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* Set to NULL for default handler.
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*/
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bool (*decode)(pb_istream_t *stream, pb_extension_t *extension,
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uint32_t tag, pb_wire_type_t wire_type);
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/* Called once after all regular fields have been encoded.
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* If you have something to write, do so and return true.
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* If you do not have anything to write, just return true.
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* If you run into an error, return false.
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* Set to NULL for default handler.
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*/
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bool (*encode)(pb_ostream_t *stream, const pb_extension_t *extension);
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/* Free field for use by the callback. */
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const void *arg;
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};
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struct pb_extension_s {
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/* Type describing the extension field. Usually you'll initialize
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* this to a pointer to the automatically generated structure. */
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const pb_extension_type_t *type;
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/* Destination for the decoded data. This must match the datatype
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* of the extension field. */
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void *dest;
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/* Pointer to the next extension handler, or NULL.
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* If this extension does not match a field, the next handler is
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* automatically called. */
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pb_extension_t *next;
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/* The decoder sets this to true if the extension was found.
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* Ignored for encoding. */
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bool found;
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};
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#define pb_extension_init_zero {NULL,NULL,NULL,false}
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/* Memory allocation functions to use. You can define pb_realloc and
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* pb_free to custom functions if you want. */
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#ifdef PB_ENABLE_MALLOC
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# ifndef pb_realloc
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# define pb_realloc(ptr, size) realloc(ptr, size)
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# endif
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# ifndef pb_free
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# define pb_free(ptr) free(ptr)
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# endif
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#endif
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/* This is used to inform about need to regenerate .pb.h/.pb.c files. */
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#define PB_PROTO_HEADER_VERSION 40
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/* These macros are used to declare pb_field_t's in the constant array. */
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/* Size of a structure member, in bytes. */
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#define pb_membersize(st, m) (sizeof ((st*)0)->m)
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/* Number of entries in an array. */
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#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0]))
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/* Delta from start of one member to the start of another member. */
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#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2))
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/* Force expansion of macro value */
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#define PB_EXPAND(x) x
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|
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/* Binding of a message field set into a specific structure */
|
|
#define PB_BIND(msgname, structname, width) \
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const uint32_t structname ## _field_info[] PB_PROGMEM = \
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{ \
|
|
msgname ## _FIELDLIST(PB_GEN_FIELD_INFO_ ## width, structname) \
|
|
0 \
|
|
}; \
|
|
const pb_msgdesc_t* const structname ## _submsg_info[] = \
|
|
{ \
|
|
msgname ## _FIELDLIST(PB_GEN_SUBMSG_INFO, structname) \
|
|
NULL \
|
|
}; \
|
|
const pb_msgdesc_t structname ## _msg = \
|
|
{ \
|
|
0 msgname ## _FIELDLIST(PB_GEN_FIELD_COUNT, structname), \
|
|
structname ## _field_info, \
|
|
structname ## _submsg_info, \
|
|
msgname ## _DEFAULT, \
|
|
msgname ## _CALLBACK, \
|
|
}; \
|
|
msgname ## _FIELDLIST(PB_GEN_FIELD_INFO_ASSERT_ ## width, structname)
|
|
|
|
#define PB_GEN_FIELD_COUNT(structname, atype, htype, ltype, fieldname, tag) +1
|
|
|
|
#define PB_GEN_FIELD_INFO_1(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO(1, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_2(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO(2, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_4(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO(4, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_8(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO(8, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_AUTO(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_AUTO2(PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype), structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_AUTO2(width, structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO(width, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO(width, structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_FIELDINFO_ ## width(tag, PB_ATYPE_ ## atype | PB_HTYPE_ ## htype | PB_LTYPE_MAP_ ## ltype, \
|
|
PB_DATA_OFFSET_ ## atype(htype, structname, fieldname), \
|
|
PB_DATA_SIZE_ ## atype(htype, structname, fieldname), \
|
|
PB_SIZE_OFFSET_ ## atype(htype, structname, fieldname), \
|
|
PB_ARRAY_SIZE_ ## atype(htype, structname, fieldname))
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_1(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT(1, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_2(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT(2, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_4(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT(4, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_8(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT(8, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_AUTO(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT_AUTO2(PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype), structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT_AUTO2(width, structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_GEN_FIELD_INFO_ASSERT(width, structname, atype, htype, ltype, fieldname, tag)
|
|
|
|
#define PB_GEN_FIELD_INFO_ASSERT(width, structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_FIELDINFO_ASSERT_ ## width(tag, PB_ATYPE_ ## atype | PB_HTYPE_ ## htype | PB_LTYPE_MAP_ ## ltype, \
|
|
PB_DATA_OFFSET_ ## atype(htype, structname, fieldname), \
|
|
PB_DATA_SIZE_ ## atype(htype, structname, fieldname), \
|
|
PB_SIZE_OFFSET_ ## atype(htype, structname, fieldname), \
|
|
PB_ARRAY_SIZE_ ## atype(htype, structname, fieldname))
|
|
|
|
#define PB_DATA_OFFSET_STATIC(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname)
|
|
#define PB_DATA_OFFSET_POINTER(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname)
|
|
#define PB_DATA_OFFSET_CALLBACK(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname)
|
|
#define PB_DATA_OFFSET_REQUIRED(structname, fieldname) offsetof(structname, fieldname)
|
|
#define PB_DATA_OFFSET_SINGULAR(structname, fieldname) offsetof(structname, fieldname)
|
|
#define PB_DATA_OFFSET_ONEOF(structname, fieldname) offsetof(structname, PB_ONEOF_NAME(FULL, fieldname))
|
|
#define PB_DATA_OFFSET_OPTIONAL(structname, fieldname) offsetof(structname, fieldname)
|
|
#define PB_DATA_OFFSET_REPEATED(structname, fieldname) offsetof(structname, fieldname)
|
|
#define PB_DATA_OFFSET_FIXARRAY(structname, fieldname) offsetof(structname, fieldname)
|
|
|
|
#define PB_SIZE_OFFSET_STATIC(htype, structname, fieldname) PB_SIZE_OFFSET_ ## htype(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_POINTER(htype, structname, fieldname) PB_SIZE_OFFSET_PTR_ ## htype(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_CALLBACK(htype, structname, fieldname) PB_SIZE_OFFSET_CB_ ## htype(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_REQUIRED(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_SINGULAR(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF2(structname, PB_ONEOF_NAME(FULL, fieldname), PB_ONEOF_NAME(UNION, fieldname))
|
|
#define PB_SIZE_OFFSET_ONEOF2(structname, fullname, unionname) PB_SIZE_OFFSET_ONEOF3(structname, fullname, unionname)
|
|
#define PB_SIZE_OFFSET_ONEOF3(structname, fullname, unionname) pb_delta(structname, fullname, which_ ## unionname)
|
|
#define PB_SIZE_OFFSET_OPTIONAL(structname, fieldname) pb_delta(structname, fieldname, has_ ## fieldname)
|
|
#define PB_SIZE_OFFSET_REPEATED(structname, fieldname) pb_delta(structname, fieldname, fieldname ## _count)
|
|
#define PB_SIZE_OFFSET_FIXARRAY(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_PTR_REQUIRED(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_PTR_SINGULAR(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_PTR_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_PTR_OPTIONAL(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_PTR_REPEATED(structname, fieldname) PB_SIZE_OFFSET_REPEATED(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_PTR_FIXARRAY(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_CB_REQUIRED(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_CB_SINGULAR(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_CB_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF(structname, fieldname)
|
|
#define PB_SIZE_OFFSET_CB_OPTIONAL(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_CB_REPEATED(structname, fieldname) 0
|
|
#define PB_SIZE_OFFSET_CB_FIXARRAY(structname, fieldname) 0
|
|
|
|
#define PB_ARRAY_SIZE_STATIC(htype, structname, fieldname) PB_ARRAY_SIZE_ ## htype(structname, fieldname)
|
|
#define PB_ARRAY_SIZE_POINTER(htype, structname, fieldname) PB_ARRAY_SIZE_PTR_ ## htype(structname, fieldname)
|
|
#define PB_ARRAY_SIZE_CALLBACK(htype, structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_REQUIRED(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_SINGULAR(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_OPTIONAL(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_ONEOF(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_REPEATED(structname, fieldname) pb_arraysize(structname, fieldname)
|
|
#define PB_ARRAY_SIZE_FIXARRAY(structname, fieldname) pb_arraysize(structname, fieldname)
|
|
#define PB_ARRAY_SIZE_PTR_REQUIRED(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_PTR_SINGULAR(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_PTR_OPTIONAL(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_PTR_ONEOF(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_PTR_REPEATED(structname, fieldname) 1
|
|
#define PB_ARRAY_SIZE_PTR_FIXARRAY(structname, fieldname) pb_arraysize(structname, fieldname[0])
|
|
|
|
#define PB_DATA_SIZE_STATIC(htype, structname, fieldname) PB_DATA_SIZE_ ## htype(structname, fieldname)
|
|
#define PB_DATA_SIZE_POINTER(htype, structname, fieldname) PB_DATA_SIZE_PTR_ ## htype(structname, fieldname)
|
|
#define PB_DATA_SIZE_CALLBACK(htype, structname, fieldname) PB_DATA_SIZE_CB_ ## htype(structname, fieldname)
|
|
#define PB_DATA_SIZE_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname))
|
|
#define PB_DATA_SIZE_REPEATED(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_PTR_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_PTR_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_PTR_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_PTR_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname)[0])
|
|
#define PB_DATA_SIZE_PTR_REPEATED(structname, fieldname) pb_membersize(structname, fieldname[0])
|
|
#define PB_DATA_SIZE_PTR_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname[0][0])
|
|
#define PB_DATA_SIZE_CB_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_CB_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_CB_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_CB_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname))
|
|
#define PB_DATA_SIZE_CB_REPEATED(structname, fieldname) pb_membersize(structname, fieldname)
|
|
#define PB_DATA_SIZE_CB_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname)
|
|
|
|
#define PB_ONEOF_NAME(type, tuple) PB_EXPAND(PB_ONEOF_NAME_ ## type tuple)
|
|
#define PB_ONEOF_NAME_UNION(unionname,membername,fullname) unionname
|
|
#define PB_ONEOF_NAME_MEMBER(unionname,membername,fullname) membername
|
|
#define PB_ONEOF_NAME_FULL(unionname,membername,fullname) fullname
|
|
|
|
#define PB_GEN_SUBMSG_INFO(structname, atype, htype, ltype, fieldname, tag) \
|
|
PB_SUBMSG_INFO_ ## htype(ltype, structname, fieldname)
|
|
|
|
#define PB_SUBMSG_INFO_REQUIRED(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_SINGULAR(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_OPTIONAL(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_ONEOF(ltype, structname, fieldname) PB_SUBMSG_INFO_ONEOF2(ltype, structname, PB_ONEOF_NAME(UNION, fieldname), PB_ONEOF_NAME(MEMBER, fieldname))
|
|
#define PB_SUBMSG_INFO_ONEOF2(ltype, structname, unionname, membername) PB_SUBMSG_INFO_ONEOF3(ltype, structname, unionname, membername)
|
|
#define PB_SUBMSG_INFO_ONEOF3(ltype, structname, unionname, membername) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## unionname ## _ ## membername ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_REPEATED(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_FIXARRAY(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE)
|
|
#define PB_SUBMSG_INFO_BOOL(t)
|
|
#define PB_SUBMSG_INFO_BYTES(t)
|
|
#define PB_SUBMSG_INFO_DOUBLE(t)
|
|
#define PB_SUBMSG_INFO_ENUM(t)
|
|
#define PB_SUBMSG_INFO_UENUM(t)
|
|
#define PB_SUBMSG_INFO_FIXED32(t)
|
|
#define PB_SUBMSG_INFO_FIXED64(t)
|
|
#define PB_SUBMSG_INFO_FLOAT(t)
|
|
#define PB_SUBMSG_INFO_INT32(t)
|
|
#define PB_SUBMSG_INFO_INT64(t)
|
|
#define PB_SUBMSG_INFO_MESSAGE(t) PB_SUBMSG_DESCRIPTOR(t)
|
|
#define PB_SUBMSG_INFO_MSG_W_CB(t) PB_SUBMSG_DESCRIPTOR(t)
|
|
#define PB_SUBMSG_INFO_SFIXED32(t)
|
|
#define PB_SUBMSG_INFO_SFIXED64(t)
|
|
#define PB_SUBMSG_INFO_SINT32(t)
|
|
#define PB_SUBMSG_INFO_SINT64(t)
|
|
#define PB_SUBMSG_INFO_STRING(t)
|
|
#define PB_SUBMSG_INFO_UINT32(t)
|
|
#define PB_SUBMSG_INFO_UINT64(t)
|
|
#define PB_SUBMSG_INFO_EXTENSION(t)
|
|
#define PB_SUBMSG_INFO_FIXED_LENGTH_BYTES(t)
|
|
#define PB_SUBMSG_DESCRIPTOR(t) &(t ## _msg),
|
|
|
|
/* The field descriptors use a variable width format, with width of either
|
|
* 1, 2, 4 or 8 of 32-bit words. The two lowest bytes of the first byte always
|
|
* encode the descriptor size, 6 lowest bits of field tag number, and 8 bits
|
|
* of the field type.
|
|
*
|
|
* Descriptor size is encoded as 0 = 1 word, 1 = 2 words, 2 = 4 words, 3 = 8 words.
|
|
*
|
|
* Formats, listed starting with the least significant bit of the first word.
|
|
* 1 word: [2-bit len] [6-bit tag] [8-bit type] [8-bit data_offset] [4-bit size_offset] [4-bit data_size]
|
|
*
|
|
* 2 words: [2-bit len] [6-bit tag] [8-bit type] [12-bit array_size] [4-bit size_offset]
|
|
* [16-bit data_offset] [12-bit data_size] [4-bit tag>>6]
|
|
*
|
|
* 4 words: [2-bit len] [6-bit tag] [8-bit type] [16-bit array_size]
|
|
* [8-bit size_offset] [24-bit tag>>6]
|
|
* [32-bit data_offset]
|
|
* [32-bit data_size]
|
|
*
|
|
* 8 words: [2-bit len] [6-bit tag] [8-bit type] [16-bit reserved]
|
|
* [8-bit size_offset] [24-bit tag>>6]
|
|
* [32-bit data_offset]
|
|
* [32-bit data_size]
|
|
* [32-bit array_size]
|
|
* [32-bit reserved]
|
|
* [32-bit reserved]
|
|
* [32-bit reserved]
|
|
*/
|
|
|
|
#define PB_FIELDINFO_1(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
(0 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(data_offset) & 0xFF) << 16) | \
|
|
(((uint32_t)(size_offset) & 0x0F) << 24) | (((uint32_t)(data_size) & 0x0F) << 28)),
|
|
|
|
#define PB_FIELDINFO_2(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
(1 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(array_size) & 0xFFF) << 16) | (((uint32_t)(size_offset) & 0x0F) << 28)), \
|
|
(((uint32_t)(data_offset) & 0xFFFF) | (((uint32_t)(data_size) & 0xFFF) << 16) | (((uint32_t)(tag) & 0x3c0) << 22)),
|
|
|
|
#define PB_FIELDINFO_4(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
(2 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(array_size) & 0xFFFF) << 16)), \
|
|
((uint32_t)(int_least8_t)(size_offset) | (((uint32_t)(tag) << 2) & 0xFFFFFF00)), \
|
|
(data_offset), (data_size),
|
|
|
|
#define PB_FIELDINFO_8(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
(3 | (((tag) << 2) & 0xFF) | ((type) << 8)), \
|
|
((uint32_t)(int_least8_t)(size_offset) | (((uint32_t)(tag) << 2) & 0xFFFFFF00)), \
|
|
(data_offset), (data_size), (array_size), 0, 0, 0,
|
|
|
|
/* These assertions verify that the field information fits in the allocated space.
|
|
* The generator tries to automatically determine the correct width that can fit all
|
|
* data associated with a message. These asserts will fail only if there has been a
|
|
* problem in the automatic logic - this may be worth reporting as a bug. As a workaround,
|
|
* you can increase the descriptor width by defining PB_FIELDINFO_WIDTH or by setting
|
|
* descriptorsize option in .options file.
|
|
*/
|
|
#define PB_FITS(value,bits) ((uint32_t)(value) < ((uint32_t)1<<bits))
|
|
#define PB_FIELDINFO_ASSERT_1(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,6) && PB_FITS(data_offset,8) && PB_FITS(size_offset,4) && PB_FITS(data_size,4) && PB_FITS(array_size,1), FIELDINFO_DOES_NOT_FIT_width1_field ## tag)
|
|
|
|
#define PB_FIELDINFO_ASSERT_2(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,10) && PB_FITS(data_offset,16) && PB_FITS(size_offset,4) && PB_FITS(data_size,12) && PB_FITS(array_size,12), FIELDINFO_DOES_NOT_FIT_width2_field ## tag)
|
|
|
|
#ifndef PB_FIELD_32BIT
|
|
/* Maximum field sizes are still 16-bit if pb_size_t is 16-bit */
|
|
#define PB_FIELDINFO_ASSERT_4(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,16) && PB_FITS(data_offset,16) && PB_FITS((int_least8_t)size_offset,8) && PB_FITS(data_size,16) && PB_FITS(array_size,16), FIELDINFO_DOES_NOT_FIT_width4_field ## tag)
|
|
|
|
#define PB_FIELDINFO_ASSERT_8(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,16) && PB_FITS(data_offset,16) && PB_FITS((int_least8_t)size_offset,8) && PB_FITS(data_size,16) && PB_FITS(array_size,16), FIELDINFO_DOES_NOT_FIT_width8_field ## tag)
|
|
#else
|
|
/* Up to 32-bit fields supported.
|
|
* Note that the checks are against 31 bits to avoid compiler warnings about shift wider than type in the test.
|
|
* I expect that there is no reasonable use for >2GB messages with nanopb anyway.
|
|
*/
|
|
#define PB_FIELDINFO_ASSERT_4(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,30) && PB_FITS(data_offset,31) && PB_FITS(size_offset,8) && PB_FITS(data_size,31) && PB_FITS(array_size,16), FIELDINFO_DOES_NOT_FIT_width4_field ## tag)
|
|
|
|
#define PB_FIELDINFO_ASSERT_8(tag, type, data_offset, data_size, size_offset, array_size) \
|
|
PB_STATIC_ASSERT(PB_FITS(tag,30) && PB_FITS(data_offset,31) && PB_FITS(size_offset,8) && PB_FITS(data_size,31) && PB_FITS(array_size,31), FIELDINFO_DOES_NOT_FIT_width8_field ## tag)
|
|
#endif
|
|
|
|
|
|
/* Automatic picking of FIELDINFO width:
|
|
* Uses width 1 when possible, otherwise resorts to width 2.
|
|
* This is used when PB_BIND() is called with "AUTO" as the argument.
|
|
* The generator will give explicit size argument when it knows that a message
|
|
* structure grows beyond 1-word format limits.
|
|
*/
|
|
#define PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype) PB_FIELDINFO_WIDTH_ ## atype(htype, ltype)
|
|
#define PB_FIELDINFO_WIDTH_STATIC(htype, ltype) PB_FIELDINFO_WIDTH_ ## htype(ltype)
|
|
#define PB_FIELDINFO_WIDTH_POINTER(htype, ltype) PB_FIELDINFO_WIDTH_ ## htype(ltype)
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#define PB_FIELDINFO_WIDTH_CALLBACK(htype, ltype) 2
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#define PB_FIELDINFO_WIDTH_REQUIRED(ltype) PB_FIELDINFO_WIDTH_ ## ltype
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#define PB_FIELDINFO_WIDTH_SINGULAR(ltype) PB_FIELDINFO_WIDTH_ ## ltype
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#define PB_FIELDINFO_WIDTH_OPTIONAL(ltype) PB_FIELDINFO_WIDTH_ ## ltype
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#define PB_FIELDINFO_WIDTH_ONEOF(ltype) PB_FIELDINFO_WIDTH_ ## ltype
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#define PB_FIELDINFO_WIDTH_REPEATED(ltype) 2
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#define PB_FIELDINFO_WIDTH_FIXARRAY(ltype) 2
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#define PB_FIELDINFO_WIDTH_BOOL 1
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#define PB_FIELDINFO_WIDTH_BYTES 2
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#define PB_FIELDINFO_WIDTH_DOUBLE 1
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#define PB_FIELDINFO_WIDTH_ENUM 1
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#define PB_FIELDINFO_WIDTH_UENUM 1
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#define PB_FIELDINFO_WIDTH_FIXED32 1
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#define PB_FIELDINFO_WIDTH_FIXED64 1
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#define PB_FIELDINFO_WIDTH_FLOAT 1
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#define PB_FIELDINFO_WIDTH_INT32 1
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#define PB_FIELDINFO_WIDTH_INT64 1
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#define PB_FIELDINFO_WIDTH_MESSAGE 2
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#define PB_FIELDINFO_WIDTH_MSG_W_CB 2
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#define PB_FIELDINFO_WIDTH_SFIXED32 1
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#define PB_FIELDINFO_WIDTH_SFIXED64 1
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#define PB_FIELDINFO_WIDTH_SINT32 1
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#define PB_FIELDINFO_WIDTH_SINT64 1
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#define PB_FIELDINFO_WIDTH_STRING 2
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#define PB_FIELDINFO_WIDTH_UINT32 1
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#define PB_FIELDINFO_WIDTH_UINT64 1
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#define PB_FIELDINFO_WIDTH_EXTENSION 1
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#define PB_FIELDINFO_WIDTH_FIXED_LENGTH_BYTES 2
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/* The mapping from protobuf types to LTYPEs is done using these macros. */
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#define PB_LTYPE_MAP_BOOL PB_LTYPE_BOOL
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#define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES
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#define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64
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#define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT
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#define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT
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#define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32
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#define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64
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#define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32
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#define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT
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#define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT
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#define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE
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#define PB_LTYPE_MAP_MSG_W_CB PB_LTYPE_SUBMSG_W_CB
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#define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32
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#define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64
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#define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT
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#define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT
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#define PB_LTYPE_MAP_STRING PB_LTYPE_STRING
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#define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT
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#define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT
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#define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION
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#define PB_LTYPE_MAP_FIXED_LENGTH_BYTES PB_LTYPE_FIXED_LENGTH_BYTES
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/* These macros are used for giving out error messages.
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* They are mostly a debugging aid; the main error information
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* is the true/false return value from functions.
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* Some code space can be saved by disabling the error
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* messages if not used.
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*
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* PB_SET_ERROR() sets the error message if none has been set yet.
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* msg must be a constant string literal.
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* PB_GET_ERROR() always returns a pointer to a string.
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* PB_RETURN_ERROR() sets the error and returns false from current
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* function.
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*/
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#ifdef PB_NO_ERRMSG
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#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream)
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#define PB_GET_ERROR(stream) "(errmsg disabled)"
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#else
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#define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg))
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#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)")
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#endif
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#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#ifdef __cplusplus
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#if __cplusplus >= 201103L
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#define PB_CONSTEXPR constexpr
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#else // __cplusplus >= 201103L
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#define PB_CONSTEXPR
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#endif // __cplusplus >= 201103L
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#if __cplusplus >= 201703L
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#define PB_INLINE_CONSTEXPR inline constexpr
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#else // __cplusplus >= 201703L
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#define PB_INLINE_CONSTEXPR PB_CONSTEXPR
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#endif // __cplusplus >= 201703L
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namespace nanopb {
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// Each type will be partially specialized by the generator.
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template <typename GenMessageT> struct MessageDescriptor;
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} // namespace nanopb
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#endif /* __cplusplus */
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#endif
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