..adding new files..

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@171 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/fe-common/core/translation.c

@@ -0,0 +1,122 @@
+/*
+ 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);
+}