#ifndef NVIM_FILEIO_H
#define NVIM_FILEIO_H

#include "nvim/buffer_defs.h"
#include "nvim/os/os.h"

/* Values for readfile() flags */
#define READ_NEW        0x01    /* read a file into a new buffer */
#define READ_FILTER     0x02    /* read filter output */
#define READ_STDIN      0x04    /* read from stdin */
#define READ_BUFFER     0x08    /* read from curbuf (converting stdin) */
#define READ_DUMMY      0x10    /* reading into a dummy buffer */
#define READ_KEEP_UNDO  0x20    /* keep undo info*/

/*
 * Events for autocommands.
 */
typedef enum auto_event {
  EVENT_BUFADD = 0,             /* after adding a buffer to the buffer list */
  EVENT_BUFNEW,                 /* after creating any buffer */
  EVENT_BUFDELETE,              /* deleting a buffer from the buffer list */
  EVENT_BUFWIPEOUT,             /* just before really deleting a buffer */
  EVENT_BUFENTER,               /* after entering a buffer */
  EVENT_BUFFILEPOST,            /* after renaming a buffer */
  EVENT_BUFFILEPRE,             /* before renaming a buffer */
  EVENT_BUFLEAVE,               /* before leaving a buffer */
  EVENT_BUFNEWFILE,             /* when creating a buffer for a new file */
  EVENT_BUFREADPOST,            /* after reading a buffer */
  EVENT_BUFREADPRE,             /* before reading a buffer */
  EVENT_BUFREADCMD,             /* read buffer using command */
  EVENT_BUFUNLOAD,              /* just before unloading a buffer */
  EVENT_BUFHIDDEN,              /* just after buffer becomes hidden */
  EVENT_BUFWINENTER,            /* after showing a buffer in a window */
  EVENT_BUFWINLEAVE,            /* just after buffer removed from window */
  EVENT_BUFWRITEPOST,           /* after writing a buffer */
  EVENT_BUFWRITEPRE,            /* before writing a buffer */
  EVENT_BUFWRITECMD,            /* write buffer using command */
  EVENT_CMDWINENTER,            /* after entering the cmdline window */
  EVENT_CMDWINLEAVE,            /* before leaving the cmdline window */
  EVENT_COLORSCHEME,            /* after loading a colorscheme */
  EVENT_COMPLETEDONE,           /* after finishing insert complete */
  EVENT_FILEAPPENDPOST,         /* after appending to a file */
  EVENT_FILEAPPENDPRE,          /* before appending to a file */
  EVENT_FILEAPPENDCMD,          /* append to a file using command */
  EVENT_FILECHANGEDSHELL,       /* after shell command that changed file */
  EVENT_FILECHANGEDSHELLPOST,   /* after (not) reloading changed file */
  EVENT_FILECHANGEDRO,          /* before first change to read-only file */
  EVENT_FILEREADPOST,           /* after reading a file */
  EVENT_FILEREADPRE,            /* before reading a file */
  EVENT_FILEREADCMD,            /* read from a file using command */
  EVENT_FILETYPE,               /* new file type detected (user defined) */
  EVENT_FILEWRITEPOST,          /* after writing a file */
  EVENT_FILEWRITEPRE,           /* before writing a file */
  EVENT_FILEWRITECMD,           /* write to a file using command */
  EVENT_FILTERREADPOST,         /* after reading from a filter */
  EVENT_FILTERREADPRE,          /* before reading from a filter */
  EVENT_FILTERWRITEPOST,        /* after writing to a filter */
  EVENT_FILTERWRITEPRE,         /* before writing to a filter */
  EVENT_FOCUSGAINED,            /* got the focus */
  EVENT_FOCUSLOST,              /* lost the focus to another app */
  EVENT_GUIENTER,               /* after starting the GUI */
  EVENT_GUIFAILED,              /* after starting the GUI failed */
  EVENT_INSERTCHANGE,           /* when changing Insert/Replace mode */
  EVENT_INSERTENTER,            /* when entering Insert mode */
  EVENT_INSERTLEAVE,            /* when leaving Insert mode */
  EVENT_JOBACTIVITY,            /* when job sent some data */
  EVENT_MENUPOPUP,              /* just before popup menu is displayed */
  EVENT_QUICKFIXCMDPOST,        /* after :make, :grep etc. */
  EVENT_QUICKFIXCMDPRE,         /* before :make, :grep etc. */
  EVENT_QUITPRE,                /* before :quit */
  EVENT_SESSIONLOADPOST,        /* after loading a session file */
  EVENT_STDINREADPOST,          /* after reading from stdin */
  EVENT_STDINREADPRE,           /* before reading from stdin */
  EVENT_SYNTAX,                 /* syntax selected */
  EVENT_TERMCHANGED,            /* after changing 'term' */
  EVENT_TERMRESPONSE,           /* after setting "v:termresponse" */
  EVENT_USER,                   /* user defined autocommand */
  EVENT_VIMENTER,               /* after starting Vim */
  EVENT_VIMLEAVE,               /* before exiting Vim */
  EVENT_VIMLEAVEPRE,            /* before exiting Vim and writing .viminfo */
  EVENT_VIMRESIZED,             /* after Vim window was resized */
  EVENT_WINENTER,               /* after entering a window */
  EVENT_WINLEAVE,               /* before leaving a window */
  EVENT_ENCODINGCHANGED,        /* after changing the 'encoding' option */
  EVENT_INSERTCHARPRE,          /* before inserting a char */
  EVENT_CURSORHOLD,             /* cursor in same position for a while */
  EVENT_CURSORHOLDI,            /* idem, in Insert mode */
  EVENT_FUNCUNDEFINED,          /* if calling a function which doesn't exist */
  EVENT_REMOTEREPLY,            /* upon string reception from a remote vim */
  EVENT_SWAPEXISTS,             /* found existing swap file */
  EVENT_SOURCEPRE,              /* before sourcing a Vim script */
  EVENT_SOURCECMD,              /* sourcing a Vim script using command */
  EVENT_SPELLFILEMISSING,       /* spell file missing */
  EVENT_CURSORMOVED,            /* cursor was moved */
  EVENT_CURSORMOVEDI,           /* cursor was moved in Insert mode */
  EVENT_TABLEAVE,               /* before leaving a tab page */
  EVENT_TABENTER,               /* after entering a tab page */
  EVENT_SHELLCMDPOST,           /* after ":!cmd" */
  EVENT_SHELLFILTERPOST,        /* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
  EVENT_TEXTCHANGED,            /* text was modified */
  EVENT_TEXTCHANGEDI,           /* text was modified in Insert mode*/
  NUM_EVENTS                    /* MUST be the last one */
} event_T;

/*
 * Struct to save values in before executing autocommands for a buffer that is
 * not the current buffer.
 */
typedef struct {
  buf_T       *save_curbuf;     /* saved curbuf */
  int use_aucmd_win;            /* using aucmd_win */
  win_T       *save_curwin;     /* saved curwin */
  win_T       *new_curwin;      /* new curwin */
  buf_T       *new_curbuf;      /* new curbuf */
  char_u      *globaldir;       /* saved value of globaldir */
} aco_save_T;

#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "fileio.h.generated.h"
#endif
#endif  // NVIM_FILEIO_H