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[w3m-dev 03718] Too slow when loading big file with fold_line=1

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* etc.c (nextColumn): added
	(calcPosition): use New_N
			rewrite with nextColumn
	(columnLen): added
* file.c (addnewline): rewrite with columnLen
* proto.h (columnLen): added
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
This commit is contained in:
Fumitoshi UKAI
2003-01-30 16:39:29 +00:00
parent 2517af675a
commit 0c0438352c
4 changed files with 54 additions and 34 deletions
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51
etc.c
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@@ -1,4 +1,4 @@
/* $Id: etc.c,v 1.61 2003/01/29 17:10:30 ukai Exp $ */
/* $Id: etc.c,v 1.62 2003/01/30 16:39:34 ukai Exp $ */
#include "fm.h"
#include <pwd.h>
#include "myctype.h"
@@ -478,6 +478,22 @@ checkType(Str s, Lineprop **oprop
return s;
}
static int
nextColumn(int n, char *p, Lineprop *pr)
{
if (*p == '\t' && *pr == PC_CTRL)
return (n + Tabstop) / Tabstop * Tabstop;
#ifndef KANJI_SYMBOLS
else if (*pr & PC_RULE)
return n + 1;
#endif
else if (IS_UNPRINTABLE_ASCII(*p, *pr))
return n + 4;
else if (IS_UNPRINTABLE_CONTROL(*p, *pr))
return n + 2;
return n + 1;
}
int
calcPosition(char *l, Lineprop *pr, int len, int pos, int bpos, int mode)
{
@@ -494,7 +510,7 @@ calcPosition(char *l, Lineprop *pr, int len, int pos, int bpos, int mode)
}
if (size < len + 1) {
size = (len + 1 > LINELEN) ? (len + 1) : LINELEN;
realColumn = New_Reuse(int, realColumn, size);
realColumn = New_N(int, size);
}
prevl = l;
j = bpos;
@@ -502,24 +518,31 @@ calcPosition(char *l, Lineprop *pr, int len, int pos, int bpos, int mode)
realColumn[i] = j;
if (i == len)
break;
if (l[i] == '\t' && pr[i] == PC_CTRL)
j = (j + Tabstop) / Tabstop * Tabstop;
#ifndef KANJI_SYMBOLS
else if (pr[i] & PC_RULE)
j++;
#endif
else if (IS_UNPRINTABLE_ASCII(l[i], pr[i]))
j = j + 4;
else if (IS_UNPRINTABLE_CONTROL(l[i], pr[i]))
j = j + 2;
else
j++;
j = nextColumn(j, &l[i], &pr[i]);
}
if (pos >= i)
return j;
return realColumn[pos];
}
int
columnLen(Line *line, int column)
{
int i, j;
for (i = 0, j = 0; i < line->len; i++) {
j = nextColumn(j, &line->lineBuf[i], &line->propBuf[i]);
if (j > column) {
#ifdef JP_CHARSET
if (CharType(line->propBuf[i]) == PC_KANJI2)
return i - 1;
#endif
return i;
}
}
return line->len;
}
char *
lastFileName(char *path)
{