mirror of
https://github.com/rfivet/uemacs.git
synced 2024-11-04 19:37:18 -05:00
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
#ifndef LINE_H_
|
|
#define LINE_H_
|
|
|
|
#include "utf8.h"
|
|
|
|
/*
|
|
* All text is kept in circularly linked lists of "struct line" structures. These
|
|
* begin at the header line (which is the blank line beyond the end of the
|
|
* buffer). This line is pointed to by the "struct buffer". Each line contains a the
|
|
* number of bytes in the line (the "used" size), the size of the text array,
|
|
* and the text. The end of line is not stored as a byte; it's implied. Future
|
|
* additions will include update hints, and a list of marks into the line.
|
|
*/
|
|
struct line {
|
|
struct line *l_fp; /* Link to the next line */
|
|
struct line *l_bp; /* Link to the previous line */
|
|
int l_size; /* Allocated size */
|
|
int l_used; /* Used size */
|
|
char l_text[1]; /* A bunch of characters. */
|
|
};
|
|
|
|
#define lforw(lp) ((lp)->l_fp)
|
|
#define lback(lp) ((lp)->l_bp)
|
|
#define lgetc(lp, n) ((lp)->l_text[(n)]&0xFF)
|
|
#define lputc(lp, n, c) ((lp)->l_text[(n)]=(c))
|
|
#define llength(lp) ((lp)->l_used)
|
|
|
|
void lfree( struct line *lp) ;
|
|
void lchange( int flag) ;
|
|
int insspace( int f, int n) ;
|
|
int linstr( char *instr) ;
|
|
int linsert( int n, int c) ;
|
|
int lover( char *ostr) ;
|
|
int lnewline( void) ;
|
|
int ldelete( long n, int kflag) ;
|
|
int ldelchar( long n, int kflag) ;
|
|
int lgetchar( unicode_t *) ;
|
|
char *getctext( void) ;
|
|
int putctext( char *iline) ;
|
|
void kdelete( void) ;
|
|
int kinsert( int c) ;
|
|
int yank( int f, int n) ;
|
|
struct line *lalloc( int) ; /* Allocate a line. */
|
|
|
|
#endif /* LINE_H_ */
|