#ifndef ED_H
#define ED_H
#include "lpc_incl.h"
#include "regexp.h"
/* define this if you don't like the ending dollar signs in ed, in n-mode */
#undef NO_END_DOLLAR_SIGN
/*
* #defines for non-printing ASCII characters
*/
#define NUL 0x00 /* ^@ */
#define EOS 0x00 /* end of string */
#define SOH 0x01 /* ^A */
#define STX 0x02 /* ^B */
#define ETX 0x03 /* ^C */
#define EOT 0x04 /* ^D */
#define ENQ 0x05 /* ^E */
#define ACK 0x06 /* ^F */
#define BEL 0x07 /* ^G */
#define BS 0x08 /* ^H */
#define HT 0x09 /* ^I */
#define LF 0x0a /* ^J */
#define NL '\n'
#define VT 0x0b /* ^K */
#define FF 0x0c /* ^L */
#define CR 0x0d /* ^M */
#define SO 0x0e /* ^N */
#define SI 0x0f /* ^O */
#define DLE 0x10 /* ^P */
#define DC1 0x11 /* ^Q */
#define DC2 0x12 /* ^R */
#define DC3 0x13 /* ^S */
#define DC4 0x14 /* ^T */
#define NAK 0x15 /* ^U */
#define SYN 0x16 /* ^V */
#define ETB 0x17 /* ^W */
#define CAN 0x18 /* ^X */
#define EM 0x19 /* ^Y */
#define SUB 0x1a /* ^Z */
#define ESC 0x1b /* ^[ */
#define FS 0x1c /* ^\ */
#define GS 0x1d /* ^] */
#define US 0x1f /* ^_ */
#define SP 0x20 /* space */
#define DEL 0x7f /* DEL */
#define ESCAPE '\\'
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#define ERR -2
#define FATAL (ERR-1)
#define CHANGED (ERR-2)
#define SET_FAIL (ERR-3)
#define SUB_FAIL (ERR-4)
#define MEM_FAIL (ERR-5)
#define UNRECOG_COMMAND (ERR-6)
#define BAD_LINE_RANGE (ERR-7)
#define BAD_LINE_NUMBER (ERR-8)
#define SYNTAX_ERROR (ERR-9)
#define RANGE_ILLEGAL (ERR-10)
#define IS_RESTRICTED (ERR-11)
#define LINE_OR_RANGE_ILL (ERR-12)
#define FILE_NAME_ERROR (ERR-13)
#define MARK_A_TO_Z (ERR-14)
#define SUB_BAD_PATTERN (ERR-15)
#define SUB_BAD_REPLACEMENT (ERR-16)
#define BAD_DESTINATION (ERR-17)
#define END_OF_FILE (ERR-18)
#define SEARCH_FAILED (ERR-19)
#define NO_LINE_RANGE (ERR-20)
// This one hopefully holds a screen's data for the 'z' command.
// Even if bytes per line is actually 80, this is still 50-ish lines.
#define BUFFER_SIZE 4096
#define LGLOB 2 /* line marked global */
#define ED_MAXLINE 2047 /* max number of chars per line */
#define MAXPAT 256 /* max number of chars per replacemnt pattern */
#define MAXFNAME 256 /* max file name size */
typedef struct ed_line_s {
int l_stat; /* empty, mark */
struct ed_line_s *l_prev;
struct ed_line_s *l_next;
char l_buff[1];
} ed_line_t;
struct strlst {
char *screen;
struct strlst *next;
};
typedef struct ed_buffer_s {
int nonascii; /* count of non-ascii chars read */
int nullchar; /* count of null chars read */
int truncated; /* count of lines truncated */
char fname[MAXFNAME];
int fchanged; /* file-changed? flag */
int nofname;
int mark['z' - 'a' + 1];
regexp *oldpat;
ed_line_t Line0;
int CurLn;
ed_line_t *CurPtr; /* CurLn and CurPtr must be kept in step */
int LastLn;
int Line1, Line2, nlines;
int flags;
int appending;
int moring; /* used for the wait line of help */
struct strlst *helpout; /* help output linked list */
#ifdef OLD_ED
char *exit_fn; /* Function to be called when user exits */
char *write_fn; /* Function to be called when user writes */
object_t *exit_ob; /* in this object */
#else
object_t *owner;
struct ed_buffer_s *next_ed_buf;
#endif
int shiftwidth;
int leading_blanks;
int cur_autoindent;
int scroll_lines;
int restricted; /* restricted access ed */
} ed_buffer_t;
/*
* ed.c
*/
void ed_start (const char *, const char *, const char *, int, object_t *, int);
void ed_cmd (char *);
void save_ed_buffer (object_t *);
#ifdef OLD_ED
#define ED_OUTPUT(x, y) add_message(x, y, strlen(y))
#define ED_OUTPUTV add_vmessage
#define ED_DEST command_giver
#else
#define ED_OUTPUT outbuf_add
#define ED_OUTPUTV outbuf_addv
#define ED_DEST ¤t_ed_results
#endif
#ifndef OLD_ED
char *object_ed_cmd (object_t *, const char *);
char *object_ed_start (object_t *, const char *, int, int);
int object_ed_mode (object_t *);
void object_save_ed_buffer (object_t *);
ed_buffer_t *find_ed_buffer (object_t *);
void object_ed_output (char *);
void object_ed_outputv(char *, ...);
extern outbuffer_t current_ed_results;
#endif
#endif
