/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
*
* 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
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <locale.h>
#endif
-#include <iconv.h>
-
#include "codeconv.h"
#include "unmime.h"
#include "base64.h"
#include "utils.h"
#include "prefs_common.h"
+/* For unknown reasons the inconv.m4 macro undefs that macro if no
+ const is needed. This would break the code below so we define it. */
+#ifndef ICONV_CONST
+#define ICONV_CONST
+#endif
+
typedef enum
{
JIS_ASCII,
state = JIS_AUXKANJI; \
}
+static CodeConvFunc conv_get_code_conv_func (const gchar *src_charset_str,
+ const gchar *dest_charset_str);
+
+static gchar *conv_iconv_strdup_with_cd (const gchar *inbuf,
+ iconv_t cd);
+
+static CharSet conv_get_locale_charset (void);
+static CharSet conv_get_outgoing_charset (void);
+static CharSet conv_guess_ja_encoding(const gchar *str);
+static gboolean conv_is_ja_locale (void);
+
static void conv_jistoeuc(gchar *outbuf, gint outlen, const gchar *inbuf);
static void conv_euctojis(gchar *outbuf, gint outlen, const gchar *inbuf);
static void conv_sjistoeuc(gchar *outbuf, gint outlen, const gchar *inbuf);
static void conv_ustodisp(gchar *outbuf, gint outlen, const gchar *inbuf);
static void conv_noconv(gchar *outbuf, gint outlen, const gchar *inbuf);
+static gboolean strict_mode = FALSE;
+
+void codeconv_set_strict(gboolean mode)
+{
+ strict_mode = mode;
+}
+
static void conv_jistoeuc(gchar *outbuf, gint outlen, const gchar *inbuf)
{
const guchar *in = inbuf;
}
}
-#define NCV '\0'
-
-void conv_mb_alnum(gchar *str)
-{
- static guchar char_tbl[] = {
- /* 0xa0 - 0xaf */
- NCV, ' ', NCV, NCV, ',', '.', NCV, ':',
- ';', '?', '!', NCV, NCV, NCV, NCV, NCV,
- /* 0xb0 - 0xbf */
- NCV, NCV, NCV, NCV, NCV, NCV, NCV, NCV,
- NCV, NCV, NCV, NCV, NCV, NCV, NCV, NCV,
- /* 0xc0 - 0xcf */
- NCV, NCV, NCV, NCV, NCV, NCV, NCV, NCV,
- NCV, NCV, '(', ')', NCV, NCV, '[', ']',
- /* 0xd0 - 0xdf */
- '{', '}', NCV, NCV, NCV, NCV, NCV, NCV,
- NCV, NCV, NCV, NCV, '+', '-', NCV, NCV,
- /* 0xe0 - 0xef */
- NCV, '=', NCV, '<', '>', NCV, NCV, NCV,
- NCV, NCV, NCV, NCV, NCV, NCV, NCV, NCV
- };
-
- register guchar *p = str;
- register gint len;
-
- len = strlen(str);
-
- while (len > 1) {
- if (*p == 0xa3) {
- register guchar ch = *(p + 1);
-
- if (ch >= 0xb0 && ch <= 0xfa) {
- /* [a-zA-Z] */
- *p = ch & 0x7f;
- p++;
- len--;
- memmove(p, p + 1, len);
- len--;
- } else {
- p += 2;
- len -= 2;
- }
- } else if (*p == 0xa1) {
- register guchar ch = *(p + 1);
-
- if (ch >= 0xa0 && ch <= 0xef &&
- NCV != char_tbl[ch - 0xa0]) {
- *p = char_tbl[ch - 0xa0];
- p++;
- len--;
- memmove(p, p + 1, len);
- len--;
- } else {
- p += 2;
- len -= 2;
- }
- } else if (iseuckanji(*p)) {
- p += 2;
- len -= 2;
- } else {
- p++;
- len--;
- }
- }
-}
-
-CharSet conv_guess_ja_encoding(const gchar *str)
+static CharSet conv_guess_ja_encoding(const gchar *str)
{
const guchar *p = str;
CharSet guessed = C_US_ASCII;
{
gchar *tmpstr;
+ codeconv_set_strict(TRUE);
tmpstr = conv_iconv_strdup(inbuf, conv_get_locale_charset_str(),
CS_INTERNAL);
- if (tmpstr) {
+ codeconv_set_strict(FALSE);
+ if (tmpstr && g_utf8_validate(tmpstr, -1, NULL)) {
strncpy2(outbuf, tmpstr, outlen);
g_free(tmpstr);
- } else
+ return;
+ } else if (tmpstr && !g_utf8_validate(tmpstr, -1, NULL)) {
+ g_free(tmpstr);
+ codeconv_set_strict(TRUE);
+ tmpstr = conv_iconv_strdup(inbuf,
+ conv_get_locale_charset_str_no_utf8(),
+ CS_INTERNAL);
+ codeconv_set_strict(FALSE);
+ }
+ if (tmpstr && g_utf8_validate(tmpstr, -1, NULL)) {
+ strncpy2(outbuf, tmpstr, outlen);
+ g_free(tmpstr);
+ return;
+ } else {
+ g_free(tmpstr);
conv_utf8todisp(outbuf, outlen, inbuf);
+ }
}
static void conv_noconv(gchar *outbuf, gint outlen, const gchar *inbuf)
return conv_iconv_strdup(inbuf, src_code, dest_code);
}
-CodeConvFunc conv_get_code_conv_func(const gchar *src_charset_str,
+static CodeConvFunc conv_get_code_conv_func(const gchar *src_charset_str,
const gchar *dest_charset_str)
{
CodeConvFunc code_conv = conv_noconv;
iconv_t cd;
gchar *outbuf;
+ if (!src_code && !dest_code &&
+ g_utf8_validate(inbuf, -1, NULL))
+ return g_strdup(inbuf);
+
if (!src_code)
src_code = conv_get_outgoing_charset_str();
if (!dest_code)
if (!strcasecmp(src_code, dest_code))
return g_strdup(inbuf);
- /* don't convert if current codeset is US-ASCII */
+ /* don't convert if dest codeset is US-ASCII */
+ if (!strcasecmp(src_code, CS_US_ASCII))
+ return g_strdup(inbuf);
+
+ /* don't convert if dest codeset is US-ASCII */
if (!strcasecmp(dest_code, CS_US_ASCII))
return g_strdup(inbuf);
while ((n_conv = iconv(cd, (ICONV_CONST gchar **)&inbuf_p, &in_left,
&outbuf_p, &out_left)) == (size_t)-1) {
if (EILSEQ == errno) {
+ if (strict_mode) {
+ g_free(outbuf);
+ return NULL;
+ }
//g_print("iconv(): at %d: %s\n", in_size - in_left, g_strerror(errno));
inbuf_p++;
in_left--;
{"ja_JP.ujis" , C_EUC_JP , C_ISO_2022_JP},
{"ja_JP.SJIS" , C_SHIFT_JIS , C_ISO_2022_JP},
{"ja_JP.JIS" , C_ISO_2022_JP , C_ISO_2022_JP},
+#ifdef G_OS_WIN32
+ {"ja_JP" , C_SHIFT_JIS , C_ISO_2022_JP},
+#else
{"ja_JP" , C_EUC_JP , C_ISO_2022_JP},
+#endif
{"ko_KR.EUC-KR" , C_EUC_KR , C_EUC_KR},
{"ko_KR" , C_EUC_KR , C_EUC_KR},
{"zh_CN.GB2312" , C_GB2312 , C_GB2312},
return GPOINTER_TO_UINT(g_hash_table_lookup(table, charset));
}
-CharSet conv_get_locale_charset(void)
+static CharSet conv_get_locale_charset(void)
{
static CharSet cur_charset = -1;
const gchar *cur_locale;
return cur_charset;
}
+static CharSet conv_get_locale_charset_no_utf8(void)
+{
+ static CharSet cur_charset = -1;
+ const gchar *cur_locale;
+ const gchar *p;
+ gchar *tmp;
+ gint i;
+
+ if (prefs_common.broken_are_utf8)
+ return conv_get_locale_charset();
+
+ if (cur_charset != -1)
+ return cur_charset;
+
+ cur_locale = conv_get_current_locale();
+ if (!cur_locale) {
+ cur_charset = C_US_ASCII;
+ return cur_charset;
+ }
+
+ if (strcasestr(cur_locale, "UTF-8")) {
+ tmp = g_strdup(cur_locale);
+ *(strcasestr(tmp, ".UTF-8")) = '\0';
+ cur_locale = tmp;
+ }
+
+ if ((p = strcasestr(cur_locale, "@euro")) && p[5] == '\0') {
+ cur_charset = C_ISO_8859_15;
+ return cur_charset;
+ }
+
+ for (i = 0; i < sizeof(locale_table) / sizeof(locale_table[0]); i++) {
+ const gchar *p;
+
+ /* "ja_JP.EUC" matches with "ja_JP.eucJP", "ja_JP.EUC" and
+ "ja_JP". "ja_JP" matches with "ja_JP.xxxx" and "ja" */
+ if (!g_ascii_strncasecmp(cur_locale, locale_table[i].locale,
+ strlen(locale_table[i].locale))) {
+ cur_charset = locale_table[i].charset;
+ return cur_charset;
+ } else if ((p = strchr(locale_table[i].locale, '_')) &&
+ !strchr(p + 1, '.')) {
+ if (strlen(cur_locale) == 2 &&
+ !g_ascii_strncasecmp(cur_locale, locale_table[i].locale, 2)) {
+ cur_charset = locale_table[i].charset;
+ return cur_charset;
+ }
+ }
+ }
+
+ cur_charset = C_AUTO;
+ return cur_charset;
+}
+
const gchar *conv_get_locale_charset_str(void)
{
static const gchar *codeset = NULL;
return codeset ? codeset : CS_INTERNAL;
}
-CharSet conv_get_internal_charset(void)
+const gchar *conv_get_locale_charset_str_no_utf8(void)
{
- return C_INTERNAL;
-}
+ static const gchar *codeset = NULL;
-const gchar *conv_get_internal_charset_str(void)
-{
- return CS_INTERNAL;
+ if (!codeset)
+ codeset = conv_get_charset_str(conv_get_locale_charset_no_utf8());
+
+ return codeset ? codeset : CS_INTERNAL;
}
-CharSet conv_get_outgoing_charset(void)
+static CharSet conv_get_outgoing_charset(void)
{
static CharSet out_charset = -1;
const gchar *cur_locale;
return out_charset;
}
+ if (strcasestr(cur_locale, "UTF-8")) {
+ out_charset = C_UTF_8;
+ return out_charset;
+ }
+
if ((p = strcasestr(cur_locale, "@euro")) && p[5] == '\0') {
out_charset = C_ISO_8859_15;
return out_charset;
return str ? str : CS_UTF_8;
}
-gboolean conv_is_multibyte_encoding(CharSet encoding)
-{
- switch (encoding) {
- case C_EUC_JP:
- case C_EUC_JP_MS:
- case C_EUC_KR:
- case C_EUC_TW:
- case C_EUC_CN:
- case C_ISO_2022_JP:
- case C_ISO_2022_JP_2:
- case C_ISO_2022_JP_3:
- case C_ISO_2022_KR:
- case C_ISO_2022_CN:
- case C_SHIFT_JIS:
- case C_GB2312:
- case C_GBK:
- case C_BIG5:
- case C_UTF_8:
- case C_UTF_7:
- return TRUE;
- default:
- return FALSE;
- }
-}
-
const gchar *conv_get_current_locale(void)
{
const gchar *cur_locale;
+#ifdef G_OS_WIN32
+ cur_locale = g_win32_getlocale();
+#else
cur_locale = g_getenv("LC_ALL");
if (!cur_locale) cur_locale = g_getenv("LC_CTYPE");
if (!cur_locale) cur_locale = g_getenv("LANG");
if (!cur_locale) cur_locale = setlocale(LC_CTYPE, NULL);
+#endif /* G_OS_WIN32 */
debug_print("current locale: %s\n",
cur_locale ? cur_locale : "(none)");
return cur_locale;
}
-gboolean conv_is_ja_locale(void)
+static gboolean conv_is_ja_locale(void)
{
static gint is_ja_locale = -1;
const gchar *cur_locale;
continue;
}
- /* don't include parentheses in encoded strings */
- if (addr_field && (*srcp == '(' || *srcp == ')')) {
+ /* don't include parentheses and quotes in encoded strings */
+ if (addr_field && (*srcp == '(' || *srcp == ')' || *srcp == '"')) {
LBREAK_IF_REQUIRED(left < 2, FALSE);
*destp++ = *srcp++;
left--;
break;
/* don't include parentheses in encoded
strings */
- if (addr_field && (*p == '(' || *p == ')'))
+ if (addr_field && (*p == '(' || *p == ')' || *p == '"'))
break;
mb_len = g_utf8_skip[*p];
out_str = conv_codeset_strdup
(part_str, cur_encoding, out_encoding);
if (!out_str) {
- g_warning("conv_encode_header(): code conversion failed\n");
- conv_unreadable_8bit(part_str);
- out_str = g_strdup(part_str);
+ if (strict_mode) {
+ *dest = '\0';
+ return;
+ } else {
+ g_warning("conv_encode_header(): code conversion failed\n");
+ conv_unreadable_8bit(part_str);
+ out_str = g_strdup(part_str);
+ }
}
out_str_len = strlen(out_str);
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