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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-basic.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-basic.c')
-rw-r--r-- | camel/camel-mime-filter-basic.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/camel/camel-mime-filter-basic.c b/camel/camel-mime-filter-basic.c deleted file mode 100644 index efb9b9818e..0000000000 --- a/camel/camel-mime-filter-basic.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Copyright (C) 2000 Ximian Inc. - * - * Authors: Michael Zucchi <notzed@ximian.com> - * Jeffrey Stedfast <fejj@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 "camel-mime-filter-basic.h" - -#include "camel-mime-utils.h" -#include <string.h> - -static void reset(CamelMimeFilter *mf); -static void complete(CamelMimeFilter *mf, char *in, size_t len, - size_t prespace, char **out, - size_t *outlen, size_t *outprespace); -static void filter(CamelMimeFilter *mf, char *in, size_t len, - size_t prespace, char **out, - size_t *outlen, size_t *outprespace); - -static void camel_mime_filter_basic_class_init (CamelMimeFilterBasicClass *klass); -static void camel_mime_filter_basic_init (CamelMimeFilterBasic *obj); - -static CamelMimeFilterClass *camel_mime_filter_basic_parent; - -static void -camel_mime_filter_basic_class_init (CamelMimeFilterBasicClass *klass) -{ - CamelMimeFilterClass *filter_class = (CamelMimeFilterClass *) klass; - - camel_mime_filter_basic_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_basic_init (CamelMimeFilterBasic *obj) -{ - obj->state = 0; - obj->save = 0; -} - - -CamelType -camel_mime_filter_basic_get_type (void) -{ - static CamelType type = CAMEL_INVALID_TYPE; - - if (type == CAMEL_INVALID_TYPE) { - type = camel_type_register (camel_mime_filter_get_type (), "CamelMimeFilterBasic", - sizeof (CamelMimeFilterBasic), - sizeof (CamelMimeFilterBasicClass), - (CamelObjectClassInitFunc) camel_mime_filter_basic_class_init, - NULL, - (CamelObjectInitFunc) camel_mime_filter_basic_init, - NULL); - } - - return type; -} - -/* should this 'flush' outstanding state/data bytes? */ -static void -reset(CamelMimeFilter *mf) -{ - CamelMimeFilterBasic *f = (CamelMimeFilterBasic *)mf; - - switch(f->type) { - case CAMEL_MIME_FILTER_BASIC_QP_ENC: - f->state = -1; - break; - default: - f->state = 0; - } - f->save = 0; -} - -static void -complete(CamelMimeFilter *mf, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace) -{ - CamelMimeFilterBasic *f = (CamelMimeFilterBasic *)mf; - size_t newlen; - - switch(f->type) { - case CAMEL_MIME_FILTER_BASIC_BASE64_ENC: - /* wont go to more than 2x size (overly conservative) */ - camel_mime_filter_set_size(mf, len*2+6, FALSE); - newlen = base64_encode_close(in, len, TRUE, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len*2+6); - break; - case CAMEL_MIME_FILTER_BASIC_QP_ENC: - /* *4 is definetly more than needed ... */ - camel_mime_filter_set_size(mf, len*4+4, FALSE); - newlen = quoted_encode_close(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len*4+4); - break; - case CAMEL_MIME_FILTER_BASIC_UU_ENC: - /* won't go to more than 2 * (x + 2) + 62 */ - camel_mime_filter_set_size (mf, (len + 2) * 2 + 62, FALSE); - newlen = uuencode_close (in, len, mf->outbuf, f->uubuf, &f->state, &f->save); - g_assert (newlen <= (len + 2) * 2 + 62); - break; - case CAMEL_MIME_FILTER_BASIC_BASE64_DEC: - /* output can't possibly exceed the input size */ - camel_mime_filter_set_size(mf, len, FALSE); - newlen = base64_decode_step(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len); - break; - case CAMEL_MIME_FILTER_BASIC_QP_DEC: - /* output can't possibly exceed the input size, well unless its not really qp, then +2 max */ - camel_mime_filter_set_size(mf, len+2, FALSE); - newlen = quoted_decode_step(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len+2); - break; - case CAMEL_MIME_FILTER_BASIC_UU_DEC: - if ((f->state & CAMEL_UUDECODE_STATE_BEGIN) && !(f->state & CAMEL_UUDECODE_STATE_END)) { - /* "begin <mode> <filename>\n" has been found, so we can now start decoding */ - camel_mime_filter_set_size (mf, len + 3, FALSE); - newlen = uudecode_step (in, len, mf->outbuf, &f->state, &f->save); - } else { - newlen = 0; - } - break; - default: - g_warning("unknown type %d in CamelMimeFilterBasic", f->type); - goto donothing; - } - - *out = mf->outbuf; - *outlen = newlen; - *outprespace = mf->outpre; - - return; -donothing: - *out = in; - *outlen = len; - *outprespace = prespace; -} - -/* here we do all of the basic mime filtering */ -static void -filter(CamelMimeFilter *mf, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace) -{ - CamelMimeFilterBasic *f = (CamelMimeFilterBasic *)mf; - size_t newlen; - - switch(f->type) { - case CAMEL_MIME_FILTER_BASIC_BASE64_ENC: - /* wont go to more than 2x size (overly conservative) */ - camel_mime_filter_set_size(mf, len*2+6, FALSE); - newlen = base64_encode_step(in, len, TRUE, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len*2+6); - break; - case CAMEL_MIME_FILTER_BASIC_QP_ENC: - /* *4 is overly conservative, but will do */ - camel_mime_filter_set_size(mf, len*4+4, FALSE); - newlen = quoted_encode_step(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len*4+4); - break; - case CAMEL_MIME_FILTER_BASIC_UU_ENC: - /* won't go to more than 2 * (x + 2) + 62 */ - camel_mime_filter_set_size (mf, (len + 2) * 2 + 62, FALSE); - newlen = uuencode_step (in, len, mf->outbuf, f->uubuf, &f->state, &f->save); - g_assert (newlen <= (len + 2) * 2 + 62); - break; - case CAMEL_MIME_FILTER_BASIC_BASE64_DEC: - /* output can't possibly exceed the input size */ - camel_mime_filter_set_size(mf, len+3, FALSE); - newlen = base64_decode_step(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len+3); - break; - case CAMEL_MIME_FILTER_BASIC_QP_DEC: - /* output can't possibly exceed the input size */ - camel_mime_filter_set_size(mf, len + 2, FALSE); - newlen = quoted_decode_step(in, len, mf->outbuf, &f->state, &f->save); - g_assert(newlen <= len + 2); - break; - case CAMEL_MIME_FILTER_BASIC_UU_DEC: - if (!(f->state & CAMEL_UUDECODE_STATE_BEGIN)) { - register char *inptr, *inend; - size_t left; - - inptr = in; - inend = inptr + len; - - while (inptr < inend) { - left = inend - inptr; - if (left < 6) { - if (!strncmp (inptr, "begin ", left)) - camel_mime_filter_backup (mf, inptr, left); - break; - } else if (!strncmp (inptr, "begin ", 6)) { - for (in = inptr; inptr < inend && *inptr != '\n'; inptr++); - if (inptr < inend) { - inptr++; - f->state |= CAMEL_UUDECODE_STATE_BEGIN; - /* we can start uudecoding... */ - in = inptr; - len = inend - in; - } else { - camel_mime_filter_backup (mf, in, left); - } - break; - } - - /* go to the next line */ - for ( ; inptr < inend && *inptr != '\n'; inptr++); - - if (inptr < inend) - inptr++; - } - } - - if ((f->state & CAMEL_UUDECODE_STATE_BEGIN) && !(f->state & CAMEL_UUDECODE_STATE_END)) { - /* "begin <mode> <filename>\n" has been found, so we can now start decoding */ - camel_mime_filter_set_size (mf, len + 3, FALSE); - newlen = uudecode_step (in, len, mf->outbuf, &f->state, &f->save); - } else { - newlen = 0; - } - break; - default: - g_warning("unknown type %d in CamelMimeFilterBasic", f->type); - goto donothing; - } - - *out = mf->outbuf; - *outlen = newlen; - *outprespace = mf->outpre; - - return; -donothing: - *out = in; - *outlen = len; - *outprespace = prespace; -} - -/** - * camel_mime_filter_basic_new: - * - * Create a new CamelMimeFilterBasic object. - * - * Return value: A new CamelMimeFilterBasic widget. - **/ -CamelMimeFilterBasic * -camel_mime_filter_basic_new (void) -{ - CamelMimeFilterBasic *new = CAMEL_MIME_FILTER_BASIC ( camel_object_new (camel_mime_filter_basic_get_type ())); - return new; -} - -CamelMimeFilterBasic * -camel_mime_filter_basic_new_type(CamelMimeFilterBasicType type) -{ - CamelMimeFilterBasic *new; - - switch (type) { - case CAMEL_MIME_FILTER_BASIC_BASE64_ENC: - case CAMEL_MIME_FILTER_BASIC_QP_ENC: - case CAMEL_MIME_FILTER_BASIC_BASE64_DEC: - case CAMEL_MIME_FILTER_BASIC_QP_DEC: - case CAMEL_MIME_FILTER_BASIC_UU_ENC: - case CAMEL_MIME_FILTER_BASIC_UU_DEC: - new = camel_mime_filter_basic_new(); - new->type = type; - break; - default: - g_warning("Invalid type of CamelMimeFilterBasic requested: %d", type); - new = NULL; - break; - } - camel_mime_filter_reset((CamelMimeFilter *)new); - return new; -} - |