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

* 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>

ChangeLog

@@ -1,3 +1,13 @@
+2003-01-31  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
+	* [w3m-dev 03718] Too slow when loading big file with fold_line=1
+	* etc.c (nextColumn): added
+		(calcPosition): use New_N
+				rewrite with nextColumn
+		(columnLen): added
+	* file.c (addnewline): rewrite with columnLen
+	* proto.h (columnLen): added
+
 2003-01-31  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
 
 	* [w3m-dev 03717] print newline before exec shell command.
@@ -6975,4 +6985,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.730 2003/01/30 16:35:34 ukai Exp $
+$Id: ChangeLog,v 1.731 2003/01/30 16:39:29 ukai Exp $

etc.c

@@ -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 = nextColumn(j, &l[i], &pr[i]);
-	    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++;
     }
     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)
 {

file.c

@@ -1,4 +1,4 @@
-/* $Id: file.c,v 1.215 2003/01/30 16:32:00 ukai Exp $ */
+/* $Id: file.c,v 1.216 2003/01/30 16:39:36 ukai Exp $ */
 #include "fm.h"
 #include <sys/types.h>
 #include "myctype.h"
@@ -6128,23 +6128,9 @@ addnewline(Buffer *buf, char *line, Lineprop *prop,
     bwidth = 0;
     while (1) {
 	l = buf->currentLine;
-	l->width = COLPOS(l, l->len);
 	l->bpos = bpos;
 	l->bwidth = bwidth;
-	if (l->width <= width)
+	i = columnLen(l, width);
-	    return;
-	i = columnPos(l, width);
-#ifdef JP_CHARSET
-	if (CharType(p[i]) == PC_KANJI2)
-	    i--;
-#endif
-	if (i > 0 && COLPOS(l, i) > width) {
-	    i--;
-#ifdef JP_CHARSET
-	    if (CharType(p[i]) == PC_KANJI2)
-		i--;
-#endif
-	}
 	if (i == 0) {
 	    i++;
 #ifdef JP_CHARSET
@@ -6152,10 +6138,10 @@ addnewline(Buffer *buf, char *line, Lineprop *prop,
 		i++;
 #endif
 	}
-	if (i == l->len)
-	    return;
 	l->len = i;
 	l->width = COLPOS(l, l->len);
+	if (pos <= i)
+	    return;
 	bpos += l->len;
 	bwidth += l->width;
 	s += i;

proto.h

@@ -1,4 +1,4 @@
-/* $Id: proto.h,v 1.86 2003/01/29 17:38:15 ukai Exp $ */
+/* $Id: proto.h,v 1.87 2003/01/30 16:39:40 ukai Exp $ */
 /* 
  *   This file was automatically generated by version 1.7 of cextract.
  *   Manual editing not recommended.
@@ -302,6 +302,7 @@ extern void cursorXY(Buffer *buf, int x, int y);
 extern void restorePosition(Buffer *buf, Buffer *orig);
 extern int columnSkip(Buffer *buf, int offset);
 extern int columnPos(Line *line, int column);
+extern int columnLen(Line *line, int column);
 extern Line *lineSkip(Buffer *buf, Line *line, int offset, int last);
 extern Line *currentLineSkip(Buffer *buf, Line *line, int offset, int last);
 extern int gethtmlcmd(char **s);