diff options
Diffstat (limited to 'camel/camel-mime-filter-windows.c')
| -rw-r--r-- | camel/camel-mime-filter-windows.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/camel/camel-mime-filter-windows.c b/camel/camel-mime-filter-windows.c new file mode 100644 index 0000000000..0b6e00dea0 --- /dev/null +++ b/camel/camel-mime-filter-windows.c @@ -0,0 +1,180 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Authors: Jeffrey Stedfast <fejj@ximian.com> + * + * Copyright 2002 Ximian, Inc. (www.ximian.com) + * + * 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 Street #330, Boston, MA 02111-1307, USA. + * + */ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +#include "camel-mime-filter-windows.h" + +#include "camel-charset-map.h" + +#define d(x) + +static void camel_mime_filter_windows_class_init (CamelMimeFilterWindowsClass *klass); +static void camel_mime_filter_windows_init (CamelObject *o); +static void camel_mime_filter_windows_finalize (CamelObject *o); + + +static CamelMimeFilterClass *parent_class = NULL; + + +CamelType +camel_mime_filter_windows_get_type (void) +{ + static CamelType type = CAMEL_INVALID_TYPE; + + if (type == CAMEL_INVALID_TYPE) { + type = camel_type_register (camel_mime_filter_get_type (), + "CamelMimeFilterWindows", + sizeof (CamelMimeFilterWindows), + sizeof (CamelMimeFilterWindowsClass), + (CamelObjectClassInitFunc) camel_mime_filter_windows_class_init, + NULL, + (CamelObjectInitFunc) camel_mime_filter_windows_init, + (CamelObjectFinalizeFunc) camel_mime_filter_windows_finalize); + } + + return type; +} + +static void +camel_mime_filter_windows_finalize (CamelObject *o) +{ + CamelMimeFilterWindows *windows = (CamelMimeFilterWindows *) o; + + g_free (windows->claimed_charset); +} + +static void +camel_mime_filter_windows_init (CamelObject *o) +{ + CamelMimeFilterWindows *windows = (CamelMimeFilterWindows *) o; + + windows->is_windows = FALSE; + windows->claimed_charset = NULL; +} + +static void +filter_filter (CamelMimeFilter *filter, char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace) +{ + CamelMimeFilterWindows *windows = (CamelMimeFilterWindows *) filter; + register unsigned char *inptr; + unsigned char *inend; + + if (!windows->is_windows) { + inptr = (unsigned char *) in; + inend = inptr + len; + + while (inptr < inend) { + register unsigned char c = *inptr++; + + if (c >= 128 && c <= 159) { + g_warning ("Encountered Windows charset parading as %s", + windows->claimed_charset); + windows->is_windows = TRUE; + break; + } + } + } + + *out = in; + *outlen = len; + *outprespace = prespace; +} + +static void +filter_complete (CamelMimeFilter *filter, char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace) +{ + filter_filter (filter, in, len, prespace, out, outlen, outprespace); +} + +static void +filter_reset (CamelMimeFilter *filter) +{ + CamelMimeFilterWindows *windows = (CamelMimeFilterWindows *) filter; + + windows->is_windows = FALSE; +} + +static void +camel_mime_filter_windows_class_init (CamelMimeFilterWindowsClass *klass) +{ + CamelMimeFilterClass *filter_class = (CamelMimeFilterClass *) klass; + + parent_class = CAMEL_MIME_FILTER_CLASS (camel_type_get_global_classfuncs (camel_mime_filter_get_type ())); + + filter_class->reset = filter_reset; + filter_class->filter = filter_filter; + filter_class->complete = filter_complete; +} + + +/** + * camel_mime_filter_windows_new: + * @claimed_charset: + * + * Creates a new CamelMimeFilterWindows object. + * + * Returns a new CamelMimeFilter object. + **/ +CamelMimeFilter * +camel_mime_filter_windows_new (const char *claimed_charset) +{ + CamelMimeFilterWindows *new; + + g_return_val_if_fail (claimed_charset != NULL, NULL); + + new = CAMEL_MIME_FILTER_WINDOWS (camel_object_new (camel_mime_filter_windows_get_type ())); + + new->claimed_charset = g_strdup (claimed_charset); + + return CAMEL_MIME_FILTER (new); +} + + +gboolean +camel_mime_filter_windows_is_windows_charset (CamelMimeFilterWindows *filter) +{ + g_return_val_if_fail (CAMEL_IS_MIME_FILTER_WINDOWS (filter), FALSE); + + return filter->is_windows; +} + + +const char * +camel_mime_filter_windows_real_charset (CamelMimeFilterWindows *filter) +{ + g_return_val_if_fail (CAMEL_IS_MIME_FILTER_WINDOWS (filter), NULL); + + if (filter->is_windows) + return camel_charset_iso_to_windows (filter->claimed_charset); + else + return filter->claimed_charset; +} |