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// Public APIs for message operations that do not require descriptors.
// These functions can be used even in build that does not want to depend on
// reflection or descriptors.
//
// Descriptor-based reflection functionality lives in reflection.h.

#ifndef UPB_MESSAGE_MESSAGE_H_
#define UPB_MESSAGE_MESSAGE_H_

#include "upb/mem/arena.h"
#include "upb/mini_table/types.h"

// Must be last.
#include "upb/port/def.inc"

#ifdef __cplusplus
extern "C" {
#endif

// Creates a new message with the given mini_table on the given arena.
UPB_API upb_Message* upb_Message_New(const upb_MiniTable* mini_table,
                                     upb_Arena* arena);

// Adds unknown data (serialized protobuf data) to the given message.
// The data is copied into the message instance.
void upb_Message_AddUnknown(upb_Message* msg, const char* data, size_t len,
                            upb_Arena* arena);

// Returns a reference to the message's unknown data.
const char* upb_Message_GetUnknown(const upb_Message* msg, size_t* len);

// Removes partial unknown data from message.
void upb_Message_DeleteUnknown(upb_Message* msg, const char* data, size_t len);

// Returns the number of extensions present in this message.
size_t upb_Message_ExtensionCount(const upb_Message* msg);

#ifdef __cplusplus
} /* extern "C" */
#endif

#include "upb/port/undef.inc"

#endif /* UPB_MESSAGE_MESSAGE_H_ */