snapshot.h

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#ifndef GHOSTTY_VT_SNAPSHOT_H
#define GHOSTTY_VT_SNAPSHOT_H
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#include <ghostty/vt/allocator.h>
#include <ghostty/vt/io.h>
#include <ghostty/vt/terminal.h>
#include <ghostty/vt/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif


typedef enum GHOSTTY_ENUM_TYPED {
  GHOSTTY_SNAPSHOT_DECODER_OPT_MAX_CONTINUATION_BYTES = 0,

  GHOSTTY_SNAPSHOT_DECODER_OPT_RETAIN_CONTINUATION = 1,
 
  GHOSTTY_SNAPSHOT_DECODER_OPT_MAX_VALUE = GHOSTTY_ENUM_MAX_VALUE,
} GhosttySnapshotDecoderOption;

typedef enum GHOSTTY_ENUM_TYPED {
  GHOSTTY_SNAPSHOT_DECODER_DATA_INVALID = 0,

  GHOSTTY_SNAPSHOT_DECODER_DATA_MAX_CONTINUATION_BYTES = 1,

  GHOSTTY_SNAPSHOT_DECODER_DATA_SOURCE_OFFSET = 2,

  GHOSTTY_SNAPSHOT_DECODER_DATA_HISTORY_ROWS_PRIMARY = 3,

  GHOSTTY_SNAPSHOT_DECODER_DATA_HISTORY_ROWS_ALTERNATE = 4,

  GHOSTTY_SNAPSHOT_DECODER_DATA_PROGRESS_SCREEN = 5,

  GHOSTTY_SNAPSHOT_DECODER_DATA_PROGRESS_ROWS = 6,

  GHOSTTY_SNAPSHOT_DECODER_DATA_PROGRESS_REMAINING = 7,

  GHOSTTY_SNAPSHOT_DECODER_DATA_RETAIN_CONTINUATION = 8,
 
  GHOSTTY_SNAPSHOT_DECODER_DATA_MAX_VALUE = GHOSTTY_ENUM_MAX_VALUE,
} GhosttySnapshotDecoderData;

GHOSTTY_API GhosttyResult ghostty_snapshot_encode(GhosttyTerminal terminal,
                                                  GhosttyWriter writer);

GHOSTTY_API GhosttyResult ghostty_snapshot_encode_buf(
    GhosttyTerminal terminal,
    uint8_t* buf,
    size_t buf_len,
    size_t* out_written);

GHOSTTY_API GhosttyResult ghostty_snapshot_encode_alloc(
    GhosttyTerminal terminal,
    const GhosttyAllocator* allocator,
    uint8_t** out_ptr,
    size_t* out_len);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_new(
    const GhosttyAllocator* allocator,
    GhosttySnapshotDecoder* decoder,
    GhosttyReader reader);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_new_buf(
    const GhosttyAllocator* allocator,
    GhosttySnapshotDecoder* decoder,
    const uint8_t* ptr,
    size_t len);

GHOSTTY_API void ghostty_snapshot_decoder_free(GhosttySnapshotDecoder decoder);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_set(
    GhosttySnapshotDecoder decoder,
    GhosttySnapshotDecoderOption option,
    const void* value);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_ready(
    GhosttySnapshotDecoder decoder,
    GhosttyTerminal* terminal);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_next(
    GhosttySnapshotDecoder decoder);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_decode(
    GhosttySnapshotDecoder decoder,
    GhosttyTerminal* terminal);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_get(
    GhosttySnapshotDecoder decoder,
    GhosttySnapshotDecoderData data,
    void* out);

GHOSTTY_API GhosttyResult ghostty_snapshot_decoder_get_multi(
    GhosttySnapshotDecoder decoder,
    size_t count,
    const GhosttySnapshotDecoderData* keys,
    void** values,
    size_t* out_written);

 
#ifdef __cplusplus
}
#endif
 
#endif /* GHOSTTY_VT_SNAPSHOT_H */