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- // -*- C++ -*-
- /* Copyright (C) 1989, 1990 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.uucp)
-
- This file is part of groff.
-
- groff is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 1, or (at your option) any later
- version.
-
- groff is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with groff; see the file LICENSE. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <stdio.h>
- #include <string.h>
- #include <ctype.h>
- #include <assert.h>
- #include <stdlib.h>
- #include "errarg.h"
- #include "error.h"
- #include "cset.h"
- #include "font.h"
-
- #define FIRST_NUMBERED_CHARACTER 256
- #define FIRST_NAMED_CHARACTER 512
-
- int font::name_to_index(const char *s)
- {
- static char **table;
- static int table_used;
- static int table_size;
- assert(s != 0 && s[0] != '\0');
- if (s[1] == '\0')
- return (unsigned char)s[0];
- /* char128 and \200 are synonyms */
- if (s[0] == 'c' && s[1] == 'h' && s[2] == 'a' && s[3] == 'r') {
- char *res;
- long n = strtol(s + 4, &res, 10);
- if (res != s + 4 && *res == '\0' && n >= 0 && n < 256)
- return int(n);
- }
- for (int i = 0; i < table_used; i++)
- if (strcmp(table[i], s) == 0)
- return i + FIRST_NAMED_CHARACTER;
- if (table_used >= table_size) {
- if (table_size == 0) {
- table_size = 24;
- table = new char*[table_size];
- }
- else {
- char **old_table = table;
- table = new char *[table_size*2];
- memcpy(table, old_table, table_size*sizeof(char*));
- table_size *= 2;
- delete old_table;
- }
- }
- table[table_used] = new char[strlen(s) + 1];
- strcpy(table[table_used], s);
- return table_used++ + FIRST_NAMED_CHARACTER;
- }
-
- int font::number_to_index(unsigned char n)
- {
- return n + FIRST_NUMBERED_CHARACTER;
- }
-