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author | nobody <nobody@localhost> | 2002-12-28 12:49:29 +0800 |
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committer | nobody <nobody@localhost> | 2002-12-28 12:49:29 +0800 |
commit | ab7d6ef097bf18a3ebb97c4d73947fe8d2f059c9 (patch) | |
tree | 1e12040caec266ee2e16460c80583d4af3687d10 /camel/camel-mime-filter-charset.c | |
parent | 79d8fd91171f81a97c319616dcca32002269af55 (diff) | |
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This commit was manufactured by cvs2svn to create tag 'GHEX_2_0_0'.GHEX_2_0_0
svn path=/tags/GHEX_2_0_0/; revision=19188
Diffstat (limited to 'camel/camel-mime-filter-charset.c')
-rw-r--r-- | camel/camel-mime-filter-charset.c | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/camel/camel-mime-filter-charset.c b/camel/camel-mime-filter-charset.c deleted file mode 100644 index f8eafa9633..0000000000 --- a/camel/camel-mime-filter-charset.c +++ /dev/null @@ -1,271 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Copyright (C) 2000 Ximian Inc. - * - * Authors: Michael Zucchi <notzed@ximian.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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 <iconv.h> - -#include <string.h> -#include <errno.h> - -#include <gal/util/e-iconv.h> - -#include "camel-mime-filter-charset.h" -#include "camel-charset-map.h" - -#define d(x) - -static void camel_mime_filter_charset_class_init (CamelMimeFilterCharsetClass *klass); -static void camel_mime_filter_charset_init (CamelMimeFilterCharset *obj); -static void camel_mime_filter_charset_finalize (CamelObject *o); - -static CamelMimeFilterClass *camel_mime_filter_charset_parent; - -CamelType -camel_mime_filter_charset_get_type (void) -{ - static CamelType type = CAMEL_INVALID_TYPE; - - if (type == CAMEL_INVALID_TYPE) { - type = camel_type_register (camel_mime_filter_get_type (), "CamelMimeFilterCharset", - sizeof (CamelMimeFilterCharset), - sizeof (CamelMimeFilterCharsetClass), - (CamelObjectClassInitFunc) camel_mime_filter_charset_class_init, - NULL, - (CamelObjectInitFunc) camel_mime_filter_charset_init, - (CamelObjectFinalizeFunc) camel_mime_filter_charset_finalize); - } - - return type; -} - -static void -camel_mime_filter_charset_finalize(CamelObject *o) -{ - CamelMimeFilterCharset *f = (CamelMimeFilterCharset *)o; - - g_free(f->from); - g_free(f->to); - if (f->ic != (iconv_t)-1) { - e_iconv_close(f->ic); - f->ic = (iconv_t) -1; - } -} - -static void -reset(CamelMimeFilter *mf) -{ - CamelMimeFilterCharset *f = (CamelMimeFilterCharset *)mf; - char buf[16]; - char *buffer; - size_t outlen = 16; - - /* what happens with the output bytes if this resets the state? */ - if (f->ic != (iconv_t) -1) { - buffer = buf; - e_iconv(f->ic, NULL, 0, &buffer, &outlen); - } -} - -static void -complete(CamelMimeFilter *mf, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace) -{ - CamelMimeFilterCharset *charset = (CamelMimeFilterCharset *)mf; - size_t inleft, outleft, converted = 0; - const char *inbuf; - char *outbuf; - - if (charset->ic == (iconv_t) -1) - goto noop; - - camel_mime_filter_set_size (mf, len * 5 + 16, FALSE); - outbuf = mf->outbuf; - outleft = mf->outsize; - - inbuf = in; - inleft = len; - - if (inleft > 0) { - do { - converted = e_iconv (charset->ic, &inbuf, &inleft, &outbuf, &outleft); - if (converted == (size_t) -1) { - if (errno == E2BIG) { - /* - * E2BIG There is not sufficient room at *outbuf. - * - * We just need to grow our outbuffer and try again. - */ - - converted = outbuf - mf->outbuf; - camel_mime_filter_set_size (mf, inleft * 5 + mf->outsize + 16, TRUE); - outbuf = mf->outbuf + converted; - outleft = mf->outsize - converted; - } else if (errno == EILSEQ) { - /* - * EILSEQ An invalid multibyte sequence has been encountered - * in the input. - * - * What we do here is eat the invalid bytes in the sequence and continue - */ - - inbuf++; - inleft--; - } else if (errno == EINVAL) { - /* - * EINVAL An incomplete multibyte sequence has been encoun - * tered in the input. - * - * We assume that this can only happen if we've run out of - * bytes for a multibyte sequence, if not we're in trouble. - */ - - break; - } else - goto noop; - } - } while (((int) inleft) > 0); - } - - /* flush the iconv conversion */ - e_iconv (charset->ic, NULL, NULL, &outbuf, &outleft); - - *out = mf->outbuf; - *outlen = mf->outsize - outleft; - *outprespace = mf->outpre; - - return; - - noop: - - *out = in; - *outlen = len; - *outprespace = prespace; -} - -static void -filter(CamelMimeFilter *mf, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace) -{ - CamelMimeFilterCharset *charset = (CamelMimeFilterCharset *)mf; - size_t inleft, outleft, converted = 0; - const char *inbuf; - char *outbuf; - - if (charset->ic == (iconv_t) -1) - goto noop; - - camel_mime_filter_set_size (mf, len * 5 + 16, FALSE); - outbuf = mf->outbuf + converted; - outleft = mf->outsize - converted; - - inbuf = in; - inleft = len; - - do { - converted = e_iconv (charset->ic, &inbuf, &inleft, &outbuf, &outleft); - if (converted == (size_t) -1) { - if (errno == E2BIG || errno == EINVAL) - break; - - if (errno == EILSEQ) { - /* - * EILSEQ An invalid multibyte sequence has been encountered - * in the input. - * - * What we do here is eat the invalid bytes in the sequence and continue - */ - - inbuf++; - inleft--; - } else { - /* unknown error condition */ - goto noop; - } - } - } while (((int) inleft) > 0); - - if (((int) inleft) > 0) { - /* We've either got an E2BIG or EINVAL. Save the - remainder of the buffer as we'll process this next - time through */ - camel_mime_filter_backup (mf, inbuf, inleft); - } - - *out = mf->outbuf; - *outlen = outbuf - mf->outbuf; - *outprespace = mf->outpre; - - return; - - noop: - - *out = in; - *outlen = len; - *outprespace = prespace; -} - -static void -camel_mime_filter_charset_class_init (CamelMimeFilterCharsetClass *klass) -{ - CamelMimeFilterClass *filter_class = (CamelMimeFilterClass *) klass; - - camel_mime_filter_charset_parent = CAMEL_MIME_FILTER_CLASS (camel_type_get_global_classfuncs (camel_mime_filter_get_type ())); - - filter_class->reset = reset; - filter_class->filter = filter; - filter_class->complete = complete; -} - -static void -camel_mime_filter_charset_init (CamelMimeFilterCharset *obj) -{ - obj->ic = (iconv_t)-1; -} - -/** - * camel_mime_filter_charset_new: - * - * Create a new CamelMimeFilterCharset object. - * - * Return value: A new CamelMimeFilterCharset widget. - **/ -CamelMimeFilterCharset * -camel_mime_filter_charset_new (void) -{ - CamelMimeFilterCharset *new = CAMEL_MIME_FILTER_CHARSET (camel_object_new (camel_mime_filter_charset_get_type ())); - return new; -} - -CamelMimeFilterCharset * -camel_mime_filter_charset_new_convert (const char *from_charset, const char *to_charset) -{ - CamelMimeFilterCharset *new = CAMEL_MIME_FILTER_CHARSET (camel_object_new (camel_mime_filter_charset_get_type ())); - - new->ic = e_iconv_open (to_charset, from_charset); - if (new->ic == (iconv_t) -1) { - g_warning ("Cannot create charset conversion from %s to %s: %s", from_charset, to_charset, strerror (errno)); - camel_object_unref ((CamelObject *)new); - new = NULL; - } else { - new->from = g_strdup (from_charset); - new->to = g_strdup (to_charset); - } - - return new; -} |