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Add letter ranges to speed lang lookups, change CVS tag

This commit is contained in:
Keith Packard 2003-03-05 05:48:53 +00:00
parent 4c2967f626
commit 0eadb052fb
3 changed files with 40 additions and 6 deletions
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38
fc-lang/fc-lang.c
View File

@ -1,7 +1,7 @@
/*
* $XFree86: xc/lib/fontconfig/fc-lang/fc-lang.c,v 1.3 2002/08/22 07:36:43 keithp Exp $
* $RCSId: xc/lib/fontconfig/fc-lang/fc-lang.c,v 1.3 2002/08/22 07:36:43 keithp Exp $
*
* Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
* Copyright © 2002 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
@ -207,6 +207,9 @@ main (int argc, char **argv)
char line[1024];
FcChar32 map[MAX_LANG_SET_MAP];
int num_lang_set_map;
int setRangeStart[26];
int setRangeEnd[26];
FcChar8 setRangeChar;
while (*++argv)
{
@ -299,6 +302,21 @@ main (int argc, char **argv)
}
}
/*
* Find ranges for each letter for faster searching
*/
setRangeChar = 'a';
for (i = 0; sets[i]; i++)
{
char c = names[i][0];
while (setRangeChar <= c && c <= 'z')
setRangeStart[setRangeChar++ - 'a'] = i;
}
for (setRangeChar = 'a'; setRangeChar < 'z'; setRangeChar++)
setRangeEnd[setRangeChar - 'a'] = setRangeStart[setRangeChar+1-'a'] - 1;
setRangeEnd[setRangeChar - 'a'] = i - 1;
/*
* Dump arrays
*/
@ -343,13 +361,16 @@ main (int argc, char **argv)
printf ("};\n\n");
}
printf ("#undef L\n\n");
/*
* Dump sets
*/
printf ("static const FcLangCharSet fcLangCharSets[] = {\n");
for (i = 0; sets[i]; i++)
{
int j = duplicate[i];
if (j < 0)
j = i;
printf (" { (FcChar8 *) \"%s\",\n"
@ -404,6 +425,19 @@ main (int argc, char **argv)
printf ("#define NUM_COUNTRY_SET %d\n", ncountry_ent);
}
/*
* Dump sets start/finish for the fastpath
*/
printf ("static const FcLangCharSetRange fcLangCharSetRanges[] = {\n");
for (setRangeChar = 'a'; setRangeChar <= 'z' ; setRangeChar++)
{
printf (" { %d, %d }, /* %c */\n",
setRangeStart[setRangeChar - 'a'],
setRangeEnd[setRangeChar - 'a'], setRangeChar);
}
printf ("};\n\n");
while (fgets (line, sizeof (line), stdin))
fputs (line, stdout);

4
fc-lang/fc-lang.man
View File

@ -1,5 +1,5 @@
.\"
.\" Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
.\" Copyright © 2002 Keith Packard
.\"
.\" Permission to use, copy, modify, distribute, and sell this software and its
.\" documentation for any purpose is hereby granted without fee, provided that
@ -20,7 +20,7 @@
.\" PERFORMANCE OF THIS SOFTWARE.
.\"
.\"
.\" $XFree86: xc/programs/fc-lang/fc-lang.man,v 1.3 2001/02/09 03:47:56 tsi Exp $
.\" $RCSId: xc/programs/fc-lang/fc-lang.man,v 1.3 2001/02/09 03:47:56 tsi Exp $
.\"
.TH FC-LANG 1 __vendorversion__
.SH NAME

4
fc-lang/fclang.tmpl.h
View File

@ -1,7 +1,7 @@
/*
* $XFree86: xc/lib/fontconfig/fc-lang/fclang.tmpl.h,v 1.1 2002/07/06 23:21:36 keithp Exp $
* $RCSId: xc/lib/fontconfig/fc-lang/fclang.tmpl.h,v 1.1 2002/07/06 23:21:36 keithp Exp $
*
* Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
* Copyright © 2002 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that