#ifndef NVIM_EXTMARK_H
#define NVIM_EXTMARK_H

#include "nvim/buffer_defs.h"
#include "nvim/extmark_defs.h"
#include "nvim/marktree.h"

EXTERN int extmark_splice_pending INIT(= 0);

typedef struct
{
  uint64_t ns_id;
  uint64_t mark_id;
  int row;
  colnr_T col;
} ExtmarkInfo;

typedef kvec_t(ExtmarkInfo) ExtmarkArray;


// delete the columns between mincol and endcol
typedef struct {
  int start_row;
  colnr_T start_col;
  int oldextent_row;
  colnr_T oldextent_col;
  int newextent_row;
  colnr_T newextent_col;
} ExtmarkSplice;

// adjust marks after :move operation
typedef struct {
  int start_row;
  int start_col;
  int extent_row;
  int extent_col;
  int new_row;
  int new_col;
} ExtmarkMove;

// extmark was updated
typedef struct {
  uint64_t mark;  // raw mark id of the marktree
  int old_row;
  colnr_T old_col;
  int row;
  colnr_T col;
} ExtmarkSavePos;

typedef enum {
  kExtmarkSplice,
  kExtmarkMove,
  kExtmarkUpdate,
  kExtmarkSavePos,
  kExtmarkClear,
} UndoObjectType;

// TODO(bfredl): reduce the number of undo action types
struct undo_object {
  UndoObjectType type;
  union {
    ExtmarkSplice splice;
    ExtmarkMove move;
    ExtmarkSavePos savepos;
  } data;
};


typedef struct {
  int start_row;
  int start_col;
  int end_row;
  int end_col;
  int attr_id;
  VirtText *virt_text;
} HlRange;

typedef struct {
  MarkTreeIter itr[1];
  kvec_t(HlRange) active;
  int top_row;
  int row;
  int col_until;
  int current;
  VirtText *virt_text;
} DecorationRedrawState;


#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "extmark.h.generated.h"
#endif

#endif  // NVIM_EXTMARK_H