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 <stdio.h> | |
| 22 | #include <string.h> | |
| 23 | #include <ctype.h> | |
| 24 | #include <assert.h> | |
| 25 | #include <stdlib.h> | |
| 26 | #include "errarg.h" | |
| 27 | #include "error.h" | |
| 28 | #include "cset.h" | |
| 29 | #include "font.h" | |
| 30 | ||
| 31 | #define FIRST_NUMBERED_CHARACTER 256 | |
| 32 | #define FIRST_NAMED_CHARACTER 512 | |
| 33 | ||
| 34 | int font::name_to_index(const char *s) | |
| 35 | { | |
| 36 | static char **table; | |
| 37 | static int table_used; | |
| 38 | static int table_size; | |
| 39 | assert(s != 0 && s[0] != '\0'); | |
| 40 | if (s[1] == '\0') | |
| 41 | return (unsigned char)s[0]; | |
| 42 | /* char128 and \200 are synonyms */ | |
| 43 | if (s[0] == 'c' && s[1] == 'h' && s[2] == 'a' && s[3] == 'r') { | |
| 44 | char *res; | |
| 45 | long n = strtol(s + 4, &res, 10); | |
| 46 | if (res != s + 4 && *res == '\0' && n >= 0 && n < 256) | |
| 47 | return int(n); | |
| 48 | } | |
| 49 | for (int i = 0; i < table_used; i++) | |
| 50 | if (strcmp(table[i], s) == 0) | |
| 51 | return i + FIRST_NAMED_CHARACTER; | |
| 52 | if (table_used >= table_size) { | |
| 53 | if (table_size == 0) { | |
| 54 | table_size = 24; | |
| 55 | table = new char*[table_size]; | |
| 56 | } | |
| 57 | else { | |
| 58 | char **old_table = table; | |
| 59 | table = new char *[table_size*2]; | |
| 60 | memcpy(table, old_table, table_size*sizeof(char*)); | |
| 61 | table_size *= 2; | |
| 62 | delete old_table; | |
| 63 | } | |
| 64 | } | |
| 65 | table[table_used] = new char[strlen(s) + 1]; | |
| 66 | strcpy(table[table_used], s); | |
| 67 | return table_used++ + FIRST_NAMED_CHARACTER; | |
| 68 | } | |
| 69 | ||
| 70 | int font::number_to_index(unsigned char n) | |
| 71 | { | |
| 72 | return n + FIRST_NUMBERED_CHARACTER; | |
| 73 | } |