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irssi/src/fe-common/core/translation.c
Timo Sirainen c95034c6de ..adding new files..
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@171 dbcabf3a-b0e7-0310-adc4-f8d773084564
2000-04-26 08:03:38 +00:00

123 lines
2.7 KiB
C

/*
translation.c : irssi
Copyright (C) 1999-2000 Timo Sirainen
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "line-split.h"
#include "misc.h"
#include "settings.h"
unsigned char translation_in[256], translation_out[256];
void translation_reset(void)
{
int n;
for (n = 0; n < 256; n++)
translation_in[n] = (unsigned char) n;
for (n = 0; n < 256; n++)
translation_out[n] = (unsigned char) n;
}
void translate_output(char *text)
{
while (*text != '\0') {
*text = (char) translation_out[(int) (unsigned char) *text];
text++;
}
}
#define gethex(a) \
(isdigit(a) ? ((a)-'0') : (toupper(a)-'A'+10))
void translation_parse_line(const char *str, int *pos)
{
const char *ptr;
int value;
for (ptr = str; *ptr != '\0'; ptr++) {
if (ptr[0] != '0' || ptr[1] != 'x')
break;
ptr += 2;
value = (gethex(ptr[0]) << 4) + gethex(ptr[1]);
if (*pos < 256)
translation_in[*pos] = (unsigned char) value;
else
translation_out[*pos-256] = (unsigned char) value;
(*pos)++;
ptr += 2;
if (*ptr != ',') break;
}
}
int translation_read(const char *file)
{
char tmpbuf[1024], *str, *path;
LINEBUF_REC *buffer;
int f, pos, ret, recvlen;
g_return_val_if_fail(file != NULL, FALSE);
path = convert_home(file);
f = open(file, O_RDONLY);
g_free(path);
if (f == -1) return FALSE;
pos = 0; buffer = NULL;
while (pos < 512) {
recvlen = read(f, tmpbuf, sizeof(tmpbuf));
ret = line_split(tmpbuf, recvlen, &str, &buffer);
if (ret <= 0) break;
translation_parse_line(str, &pos);
}
line_split_free(buffer);
close(f);
if (pos != 512)
translation_reset();
return pos == 512;
}
static void read_settings(void)
{
translation_read(settings_get_str("translation"));
}
void translation_init(void)
{
translation_reset();
settings_add_str("misc", "translation", "");
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
read_settings();
}
void translation_deinit(void)
{
read_settings();
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}