53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
#ifndef _PB_DECODE_H_
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#define _PB_DECODE_H_
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#include <stdbool.h>
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#include "pb.h"
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// Decode from stream to destination struct.
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// The actual struct pointed to by dest must match the description in fields.
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bool pb_decode(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
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/* --- Helper functions ---
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* You may want to use these from your caller or callbacks.
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*/
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pb_istream_t pb_istream_from_buffer(uint8_t *buf, size_t bufsize);
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bool pb_decode_varint32(pb_istream_t *stream, uint32_t *dest);
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bool pb_decode_varint64(pb_istream_t *stream, uint64_t *dest);
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bool pb_skip_varint(pb_istream_t *stream);
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bool pb_skip_string(pb_istream_t *stream);
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/* --- Field decoders ---
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* Each decoder takes stream and field description, and a pointer to the field
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* in the destination struct (dest = struct_addr + field->data_offset).
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* For arrays, these functions are called repeatedly.
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*/
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bool pb_dec_uint32(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_sint32(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_fixed32(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_uint64(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_sint64(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_fixed64(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_bool(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_enum(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_float(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_double(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_bytes(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_string(pb_istream_t *stream, const pb_field_t *field, void *dest);
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bool pb_dec_submessage(pb_istream_t *stream, const pb_field_t *field, void *dest);
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typedef bool (*pb_decoder_t)(pb_istream_t *stream, const pb_field_t *field, void *dest);
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/* --- Function pointers to field decoders ---
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* Order in the array must match pb_action_t LTYPE numbering.
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*/
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const pb_decoder_t PB_DECODERS[16];
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#endif
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