Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google LLC nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef UPB_MINI_DESCRIPTOR_INTERNAL_DECODER_H_
#define UPB_MINI_DESCRIPTOR_INTERNAL_DECODER_H_
#include "upb/base/status.h"
#include "upb/mini_descriptor/internal/base92.h"
// Must be last.
#include "upb/port/def.inc"
// upb_MdDecoder: used internally for decoding MiniDescriptors for messages,
// extensions, and enums.
typedef struct {
const char* end;
upb_Status* status;
jmp_buf err;
} upb_MdDecoder;
UPB_PRINTF(2, 3)
UPB_NORETURN UPB_INLINE void upb_MdDecoder_ErrorJmp(upb_MdDecoder* d,
const char* fmt, ...) {
if (d->status) {
va_list argp;
upb_Status_SetErrorMessage(d->status, "Error building mini table: ");
va_start(argp, fmt);
upb_Status_VAppendErrorFormat(d->status, fmt, argp);
va_end(argp);
}
UPB_LONGJMP(d->err, 1);
}
UPB_INLINE void upb_MdDecoder_CheckOutOfMemory(upb_MdDecoder* d,
const void* ptr) {
if (!ptr) upb_MdDecoder_ErrorJmp(d, "Out of memory");
}
UPB_INLINE const char* upb_MdDecoder_DecodeBase92Varint(
upb_MdDecoder* d, const char* ptr, char first_ch, uint8_t min, uint8_t max,
uint32_t* out_val) {
ptr = _upb_Base92_DecodeVarint(ptr, d->end, first_ch, min, max, out_val);
if (!ptr) upb_MdDecoder_ErrorJmp(d, "Overlong varint");
return ptr;
}
#include "upb/port/undef.inc"
#endif // UPB_MINI_DESCRIPTOR_INTERNAL_DECODER_H_