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review line dependencies.

This commit is contained in:
Renaud 2013-06-14 11:53:59 +08:00
parent 287c55cbac
commit 4f9598b5da
6 changed files with 92 additions and 92 deletions

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@ -155,7 +155,7 @@ input.o: input.c input.h edef.h estruct.h line.h utf8.h bind.h bindable.h \
display.h exec.h names.h wrapper.h
isearch.o: isearch.c isearch.h basic.h display.h estruct.h line.h utf8.h \
edef.h input.h search.h
line.o: line.c line.h utf8.h basic.h display.h estruct.h edef.h random.h
line.o: line.c line.h utf8.h display.h estruct.h edef.h
lock.o: lock.c lock.h estruct.h line.h utf8.h display.h edef.h input.h
main.o: main.c basic.h bind.h edef.h estruct.h line.h utf8.h bindable.h \
buffer.h display.h eval.h execute.h file.h input.h lock.h random.h \

63
basic.c
View File

@ -69,38 +69,6 @@ int gotobol(int f, int n)
return TRUE;
}
/*
* Move the cursor backwards by "n" characters. If "n" is less than zero call
* "forwchar" to actually do the move. Otherwise compute the new cursor
* location. Error if you try and move out of the buffer. Set the flag if the
* line pointer for dot changes.
*/
int backchar(int f, int n)
{
struct line *lp;
if (n < 0)
return forwchar(f, -n);
while (n--) {
if (curwp->w_doto == 0) {
if ((lp = lback(curwp->w_dotp)) == curbp->b_linep)
return FALSE;
curwp->w_dotp = lp;
curwp->w_doto = llength(lp);
curwp->w_flag |= WFMOVE;
} else {
do {
unsigned char c;
curwp->w_doto--;
c = lgetc(curwp->w_dotp, curwp->w_doto);
if (is_beginning_utf8(c))
break;
} while (curwp->w_doto);
}
}
return TRUE;
}
/*
* Move the cursor to the end of the current line. Trivial. No errors.
*/
@ -110,37 +78,6 @@ int gotoeol(int f, int n)
return TRUE;
}
/*
* Move the cursor forwards by "n" characters. If "n" is less than zero call
* "backchar" to actually do the move. Otherwise compute the new cursor
* location, and move ".". Error if you try and move off the end of the
* buffer. Set the flag if the line pointer for dot changes.
*/
int forwchar(int f, int n)
{
if (n < 0)
return backchar(f, -n);
while (n--) {
int len = llength(curwp->w_dotp);
if (curwp->w_doto == len) {
if (curwp->w_dotp == curbp->b_linep)
return FALSE;
curwp->w_dotp = lforw(curwp->w_dotp);
curwp->w_doto = 0;
curwp->w_flag |= WFMOVE;
} else {
do {
unsigned char c;
curwp->w_doto++;
c = lgetc(curwp->w_dotp, curwp->w_doto);
if (is_beginning_utf8(c))
break;
} while (curwp->w_doto < len);
}
}
return TRUE;
}
/*
* Move to a particular line.
*

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@ -2,9 +2,7 @@
#define _BASIC_H_
int gotobol( int f, int n) ;
int backchar( int f, int n) ;
int gotoeol( int f, int n) ;
int forwchar( int f, int n) ;
int gotoline( int f, int n) ;
int gotobob( int f, int n) ;
int gotoeob( int f, int n) ;

25
eval.c
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@ -229,6 +229,31 @@ static struct {
/* User variables */
static struct user_variable uv[MAXVARS + 1];
/*
* putctext:
* replace the current line with the passed in text
*
* char *iline; contents of new line
*/
static int putctext( char *iline)
{
int status;
/* delete the current line */
curwp->w_doto = 0; /* starting at the beginning of the line */
if ((status = killtext(TRUE, 1)) != TRUE)
return status;
/* insert the new line */
if ((status = linstr(iline)) != TRUE)
return status;
status = lnewline();
backline(TRUE, 1);
return status;
}
/* Initialize the user variable list. */
void varinit(void)
{

88
line.c
View File

@ -17,17 +17,78 @@
#include <stdio.h>
#include "basic.h"
#include "display.h"
#include "estruct.h"
#include "edef.h"
#include "random.h"
#include "utf8.h"
#define BLOCK_SIZE 16 /* Line block chunk size. */
static int ldelnewline( void) ;
/*
* Move the cursor backwards by "n" characters. If "n" is less than zero call
* "forwchar" to actually do the move. Otherwise compute the new cursor
* location. Error if you try and move out of the buffer. Set the flag if the
* line pointer for dot changes.
*/
int backchar(int f, int n)
{
struct line *lp;
if (n < 0)
return forwchar(f, -n);
while (n--) {
if (curwp->w_doto == 0) {
if ((lp = lback(curwp->w_dotp)) == curbp->b_linep)
return FALSE;
curwp->w_dotp = lp;
curwp->w_doto = llength(lp);
curwp->w_flag |= WFMOVE;
} else {
do {
unsigned char c;
curwp->w_doto--;
c = lgetc(curwp->w_dotp, curwp->w_doto);
if (is_beginning_utf8(c))
break;
} while (curwp->w_doto);
}
}
return TRUE;
}
/*
* Move the cursor forwards by "n" characters. If "n" is less than zero call
* "backchar" to actually do the move. Otherwise compute the new cursor
* location, and move ".". Error if you try and move off the end of the
* buffer. Set the flag if the line pointer for dot changes.
*/
int forwchar(int f, int n)
{
if (n < 0)
return backchar(f, -n);
while (n--) {
int len = llength(curwp->w_dotp);
if (curwp->w_doto == len) {
if (curwp->w_dotp == curbp->b_linep)
return FALSE;
curwp->w_dotp = lforw(curwp->w_dotp);
curwp->w_doto = 0;
curwp->w_flag |= WFMOVE;
} else {
do {
unsigned char c;
curwp->w_doto++;
c = lgetc(curwp->w_dotp, curwp->w_doto);
if (is_beginning_utf8(c))
break;
} while (curwp->w_doto < len);
}
}
return TRUE;
}
/*
* This routine allocates a block of memory large enough to hold a struct line
* containing "used" characters. The block is always rounded up a bit. Return
@ -485,29 +546,6 @@ char *getctext(void)
return rline;
}
/*
* putctext:
* replace the current line with the passed in text
*
* char *iline; contents of new line
*/
int putctext(char *iline)
{
int status;
/* delete the current line */
curwp->w_doto = 0; /* starting at the beginning of the line */
if ((status = killtext(TRUE, 1)) != TRUE)
return status;
/* insert the new line */
if ((status = linstr(iline)) != TRUE)
return status;
status = lnewline();
backline(TRUE, 1);
return status;
}
/*
* Delete a newline. Join the current line with the next line. If the next line
* is the magic header line always return TRUE; merging the last line with the

4
line.h
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@ -25,6 +25,9 @@ struct line {
#define lputc(lp, n, c) ((lp)->l_text[(n)]=(c))
#define llength(lp) ((lp)->l_used)
int backchar( int f, int n) ;
int forwchar( int f, int n) ;
void lfree( struct line *lp) ;
void lchange( int flag) ;
int insspace( int f, int n) ;
@ -36,7 +39,6 @@ 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) ;