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/*
* Copyright (c) 2009-2021, Google LLC
* All rights reserved.
*
* 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 Google LLC 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.
*/
// upb_Encode: parsing from a upb_Message using a upb_MiniTable.
#ifndef UPB_WIRE_ENCODE_H_
#define UPB_WIRE_ENCODE_H_
#include "upb/message/message.h"
// Must be last.
#include "upb/port/def.inc"
#ifdef __cplusplus
extern "C" {
#endif
enum {
/* If set, the results of serializing will be deterministic across all
* instances of this binary. There are no guarantees across different
* binary builds.
*
* If your proto contains maps, the encoder will need to malloc()/free()
* memory during encode. */
kUpb_EncodeOption_Deterministic = 1,
// When set, unknown fields are not printed.
kUpb_EncodeOption_SkipUnknown = 2,
// When set, the encode will fail if any required fields are missing.
kUpb_EncodeOption_CheckRequired = 4,
};
typedef enum {
kUpb_EncodeStatus_Ok = 0,
kUpb_EncodeStatus_OutOfMemory = 1, // Arena alloc failed
kUpb_EncodeStatus_MaxDepthExceeded = 2,
// kUpb_EncodeOption_CheckRequired failed but the parse otherwise succeeded.
kUpb_EncodeStatus_MissingRequired = 3,
} upb_EncodeStatus;
UPB_INLINE uint32_t upb_EncodeOptions_MaxDepth(uint16_t depth) {
return (uint32_t)depth << 16;
}
UPB_INLINE uint16_t upb_EncodeOptions_GetMaxDepth(uint32_t options) {
return options >> 16;
}
// Enforce an upper bound on recursion depth.
UPB_INLINE int upb_Encode_LimitDepth(uint32_t encode_options, uint32_t limit) {
uint32_t max_depth = upb_EncodeOptions_GetMaxDepth(encode_options);
if (max_depth > limit) max_depth = limit;
return upb_EncodeOptions_MaxDepth(max_depth) | (encode_options & 0xffff);
}
upb_EncodeStatus upb_Encode(const void* msg, const upb_MiniTable* l,
int options, upb_Arena* arena, char** buf,
size_t* size);
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_WIRE_ENCODE_H_ */
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