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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef UPB_MINI_TABLE_DECODE_H_
#define UPB_MINI_TABLE_DECODE_H_
#include "upb/base/status.h"
#include "upb/mem/arena.h"
#include "upb/mini_table/extension.h"
#include "upb/mini_table/field.h"
#include "upb/mini_table/message.h"
#include "upb/mini_table/sub.h"
// Export the newer headers, for legacy users. New users should include the
// more specific headers directly.
// IWYU pragma: begin_exports
#include "upb/mini_descriptor/build_enum.h"
#include "upb/mini_descriptor/link.h"
// IWYU pragma: end_exports
// Must be last.
#include "upb/port/def.inc"
typedef enum {
kUpb_MiniTablePlatform_32Bit,
kUpb_MiniTablePlatform_64Bit,
kUpb_MiniTablePlatform_Native =
UPB_SIZE(kUpb_MiniTablePlatform_32Bit, kUpb_MiniTablePlatform_64Bit),
} upb_MiniTablePlatform;
#ifdef __cplusplus
extern "C" {
#endif
// Builds a mini table from the data encoded in the buffer [data, len]. If any
// errors occur, returns NULL and sets a status message. In the success case,
// the caller must call upb_MiniTable_SetSub*() for all message or proto2 enum
// fields to link the table to the appropriate sub-tables.
upb_MiniTable* _upb_MiniTable_Build(const char* data, size_t len,
upb_MiniTablePlatform platform,
upb_Arena* arena, upb_Status* status);
UPB_API_INLINE upb_MiniTable* upb_MiniTable_Build(const char* data, size_t len,
upb_Arena* arena,
upb_Status* status) {
return _upb_MiniTable_Build(data, len, kUpb_MiniTablePlatform_Native, arena,
status);
}
// Initializes a MiniTableExtension buffer that has already been allocated.
// This is needed by upb_FileDef and upb_MessageDef, which allocate all of the
// extensions together in a single contiguous array.
const char* _upb_MiniTableExtension_Init(const char* data, size_t len,
upb_MiniTableExtension* ext,
const upb_MiniTable* extendee,
upb_MiniTableSub sub,
upb_MiniTablePlatform platform,
upb_Status* status);
UPB_API_INLINE const char* upb_MiniTableExtension_Init(
const char* data, size_t len, upb_MiniTableExtension* ext,
const upb_MiniTable* extendee, upb_MiniTableSub sub, upb_Status* status) {
return _upb_MiniTableExtension_Init(data, len, ext, extendee, sub,
kUpb_MiniTablePlatform_Native, status);
}
UPB_API upb_MiniTableExtension* _upb_MiniTableExtension_Build(
const char* data, size_t len, const upb_MiniTable* extendee,
upb_MiniTableSub sub, upb_MiniTablePlatform platform, upb_Arena* arena,
upb_Status* status);
UPB_API_INLINE upb_MiniTableExtension* upb_MiniTableExtension_Build(
const char* data, size_t len, const upb_MiniTable* extendee,
upb_Arena* arena, upb_Status* status) {
upb_MiniTableSub sub;
sub.submsg = NULL;
return _upb_MiniTableExtension_Build(
data, len, extendee, sub, kUpb_MiniTablePlatform_Native, arena, status);
}
UPB_API_INLINE upb_MiniTableExtension* upb_MiniTableExtension_BuildMessage(
const char* data, size_t len, const upb_MiniTable* extendee,
upb_MiniTable* submsg, upb_Arena* arena, upb_Status* status) {
upb_MiniTableSub sub;
sub.submsg = submsg;
return _upb_MiniTableExtension_Build(
data, len, extendee, sub, kUpb_MiniTablePlatform_Native, arena, status);
}
UPB_API_INLINE upb_MiniTableExtension* upb_MiniTableExtension_BuildEnum(
const char* data, size_t len, const upb_MiniTable* extendee,
upb_MiniTableEnum* subenum, upb_Arena* arena, upb_Status* status) {
upb_MiniTableSub sub;
sub.subenum = subenum;
return _upb_MiniTableExtension_Build(
data, len, extendee, sub, kUpb_MiniTablePlatform_Native, arena, status);
}
// Like upb_MiniTable_Build(), but the user provides a buffer of layout data so
// it can be reused from call to call, avoiding repeated realloc()/free().
//
// The caller owns `*buf` both before and after the call, and must free() it
// when it is no longer in use. The function will realloc() `*buf` as
// necessary, updating `*size` accordingly.
upb_MiniTable* upb_MiniTable_BuildWithBuf(const char* data, size_t len,
upb_MiniTablePlatform platform,
upb_Arena* arena, void** buf,
size_t* buf_size, upb_Status* status);
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_MINI_TABLE_DECODE_H_ */
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