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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991 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 <assert.h>
#include <stdlib.h>
#include <errno.h>
#include "font.h"
#include "lib.h"
#include "fontpath.h"
const char *const FONT_ENV_VAR = "GROFF_FONT_PATH";
int font::res = 0;
int font::hor = 1;
int font::vert = 1;
int font::unitwidth = 0;
int font::paperwidth = 0;
int font::paperlength = 0;
int font::biggestfont = 0;
int font::spare2 = 0;
int font::sizescale = 1;
int font::tcommand = 0;
const char **font::font_name_table = 0;
int *font::sizes = 0;
char *font::dev_name = 0;
char *font::cl_font_dirs = 0;
const char *font::family = 0;
const char **font::style_table = 0;
void font::command_line_font_dir(const char *dir)
{
if (cl_font_dirs == 0) {
cl_font_dirs = new char[strlen(dir)+1];
strcpy(cl_font_dirs, dir);
}
else {
int len = strlen(cl_font_dirs);
int need_colon = 0;
if (len > 0 && cl_font_dirs[len-1] != ':')
need_colon = 1;
char *old_dirs = cl_font_dirs;
cl_font_dirs = new char[len + need_colon + strlen(dir) + 1];
strcpy(cl_font_dirs, old_dirs);
if (need_colon)
strcat(cl_font_dirs, ":");
strcat(cl_font_dirs, dir);
a_delete old_dirs;
}
}
void font::forget_command_line_font_dirs()
{
a_delete cl_font_dirs;
cl_font_dirs = 0;
}
FILE *font::open_file(const char *name, char **pathp)
{
assert(dev_name != 0);
const char *dir_vec[3];
dir_vec[0] = cl_font_dirs;
dir_vec[1] = getenv(FONT_ENV_VAR);
dir_vec[2] = FONTPATH;
for (int i = 0; i < 3; i++)
if (dir_vec[i] != 0) {
const char *dirs = dir_vec[i];
while (*dirs != '\0') {
const char *p = strchr(dirs, ':');
if (p != dirs) {
if (p == 0)
p = strchr(dirs, '\0');
int need_slash = 0;
if (p > dirs && p[-1] != '/')
need_slash = 1;
char *path = new char[(p - dirs) + need_slash + 3
+ strlen(dev_name) + 1
+ strlen(name) + 1];
memcpy(path, dirs, p - dirs);
path[p - dirs] = '\0';
if (need_slash)
strcat(path, "/");
strcat(path, "dev");
strcat(path, dev_name);
strcat(path, "/");
strcat(path, name);
errno = 0;
FILE *fp = fopen(path, "r");
if (fp != 0) {
*pathp = path;
return fp;
}
a_delete path;
if (*p == '\0')
break;
}
dirs = p + 1;
}
}
return 0;
}
void font::set_device_name(const char *s)
{
dev_name = new char[strlen(s)+1];
strcpy(dev_name, s);
}
const char *font::get_device_name()
{
return dev_name;
}
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