57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <ctype.h>
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#include "cmap.h"
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cmap cmlower(CMAP_BUILTIN);
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cmap cmupper(CMAP_BUILTIN);
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#ifdef isascii
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#define ISASCII(c) isascii(c)
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#else
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#define ISASCII(c) (1)
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#endif
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cmap::cmap()
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{
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unsigned char *p = v;
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for (int i = 0; i <= UCHAR_MAX; i++)
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p[i] = i;
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}
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cmap::cmap(cmap_builtin)
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{
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// these are initialised by cmap_init::cmap_init()
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}
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int cmap_init::initialised = 0;
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cmap_init::cmap_init()
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{
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if (initialised)
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return;
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initialised = 1;
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for (int i = 0; i <= UCHAR_MAX; i++) {
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cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i;
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cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i;
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}
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}
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