projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af2a502e C |
1 | // -*- C++ -*- |
| 2 | /* Copyright (C) 1989, 1990 Free Software Foundation, Inc. | |
| 3 | Written by James Clark (jjc@jclark.uucp) | |
| 4 | ||
| 5 | This file is part of groff. | |
| 6 | ||
| 7 | groff is free software; you can redistribute it and/or modify it under | |
| 8 | the terms of the GNU General Public License as published by the Free | |
| 9 | Software Foundation; either version 1, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 12 | groff is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 | for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License along | |
| 18 | with groff; see the file LICENSE. If not, write to the Free Software | |
| 19 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | #include <ctype.h> | |
| 22 | #include "cmap.h" | |
| 23 | ||
| 24 | cmap cmlower(CMAP_BUILTIN); | |
| 25 | cmap cmupper(CMAP_BUILTIN); | |
| 26 | ||
| 27 | #define ISASCII(c) isascii(c) | |
| 28 | #if 0 | |
| 29 | #define ISASCII(c) 1 /* use this is you have an ANSI ctype.h */ | |
| 30 | #endif | |
| 31 | ||
| 32 | cmap::cmap() | |
| 33 | { | |
| 34 | unsigned char *p = v; | |
| 35 | for (int i = 0; i <= UCHAR_MAX; i++) | |
| 36 | p[i] = i; | |
| 37 | } | |
| 38 | ||
| 39 | cmap::cmap(cmap_builtin) | |
| 40 | { | |
| 41 | // these are initialised by cmap_init::cmap_init() | |
| 42 | } | |
| 43 | ||
| 44 | int cmap_init::initialised = 0; | |
| 45 | ||
| 46 | cmap_init::cmap_init() | |
| 47 | { | |
| 48 | if (initialised) | |
| 49 | return; | |
| 50 | initialised = 1; | |
| 51 | for (int i = 0; i <= UCHAR_MAX; i++) { | |
| 52 | cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i; | |
| 53 | cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i; | |
| 54 | } | |
| 55 | } |