diff options
Diffstat (limited to 'camel/camel-mime-filter.c')
| -rw-r--r-- | camel/camel-mime-filter.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/camel/camel-mime-filter.c b/camel/camel-mime-filter.c deleted file mode 100644 index 27cee890fe..0000000000 --- a/camel/camel-mime-filter.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright (C) 2000 Helix Code Inc. - * - * Authors: Michael Zucchi <notzed@helixcode.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "camel-mime-filter.h" - -struct _CamelMimeFilterPrivate { - char *inbuf; - size_t inlen; -}; - -#define PRE_HEAD (64) -#define BACK_HEAD (64) -#define _PRIVATE(o) (((CamelMimeFilter *)(o))->priv) -#define FCLASS(o) ((CamelMimeFilterClass *)((GtkObject *)(o))->klass) - -static void camel_mime_filter_class_init (CamelMimeFilterClass *klass); -static void camel_mime_filter_init (CamelMimeFilter *obj); - -static CamelObjectClass *camel_mime_filter_parent; - -enum SIGNALS { - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - -guint -camel_mime_filter_get_type (void) -{ - static guint type = 0; - - if (!type) { - GtkTypeInfo type_info = { - "CamelMimeFilter", - sizeof (CamelMimeFilter), - sizeof (CamelMimeFilterClass), - (GtkClassInitFunc) camel_mime_filter_class_init, - (GtkObjectInitFunc) camel_mime_filter_init, - (GtkArgSetFunc) NULL, - (GtkArgGetFunc) NULL - }; - - type = gtk_type_unique (camel_object_get_type (), &type_info); - } - - return type; -} - -static void -finalise(GtkObject *o) -{ - CamelMimeFilter *f = (CamelMimeFilter *)o; - struct _CamelMimeFilterPrivate *p = _PRIVATE(f); - - g_free(f->outreal); - g_free(f->backbuf); - g_free(p->inbuf); - g_free(p); - - ((GtkObjectClass *)camel_mime_filter_parent)->finalize (o); -} - -static void -complete(CamelMimeFilter *mf, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace) -{ - /* default - do nothing */ -} - -static void -camel_mime_filter_class_init (CamelMimeFilterClass *klass) -{ - GtkObjectClass *object_class = (GtkObjectClass *) klass; - - camel_mime_filter_parent = gtk_type_class (camel_object_get_type ()); - - object_class->finalize = finalise; - - klass->complete = complete; - - gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL); -} - -static void -camel_mime_filter_init (CamelMimeFilter *obj) -{ - obj->outreal = NULL; - obj->outbuf = NULL; - obj->outsize = 0; - - obj->backbuf = NULL; - obj->backsize = 0; - obj->backlen = 0; - - _PRIVATE(obj) = g_malloc0(sizeof(*obj->priv)); -} - -/** - * camel_mime_filter_new: - * - * Create a new CamelMimeFilter object. - * - * Return value: A new CamelMimeFilter widget. - **/ -CamelMimeFilter * -camel_mime_filter_new (void) -{ - CamelMimeFilter *new = CAMEL_MIME_FILTER ( gtk_type_new (camel_mime_filter_get_type ())); - return new; -} - -static void filter_run(CamelMimeFilter *f, - char *in, size_t len, size_t prespace, - char **out, size_t *outlen, size_t *outprespace, - void (*filterfunc)(CamelMimeFilter *f, - char *in, size_t len, size_t prespace, - char **out, size_t *outlen, size_t *outprespace)) -{ - struct _CamelMimeFilterPrivate *p; - - /* - here we take a performance hit, if the input buffer doesn't - have the pre-space required. We make a buffer that does ... - */ - if (prespace < f->backlen) { - int newlen = len+prespace+f->backlen; - p = _PRIVATE(f); - if (p->inlen < newlen) { - /* NOTE: g_realloc copies data, we dont need that (slower) */ - g_free(p->inbuf); - p->inbuf = g_malloc(newlen+PRE_HEAD); - p->inlen = newlen+PRE_HEAD; - } - /* copy to end of structure */ - memcpy(p->inbuf+p->inlen - len, in, len); - in = p->inbuf+p->inlen - len; - prespace = p->inlen - len; - } - - /* preload any backed up data */ - if (f->backlen > 0) { - memcpy(in-f->backlen, f->backbuf, f->backlen); - in -= f->backlen; - len += f->backlen; - prespace -= f->backlen; - f->backlen = 0; - } - - filterfunc(f, in, len, prespace, out, outlen, outprespace); -} - -void camel_mime_filter_filter(CamelMimeFilter *f, - char *in, size_t len, size_t prespace, - char **out, size_t *outlen, size_t *outprespace) -{ - if (FCLASS(f)->filter) - filter_run(f, in, len, prespace, out, outlen, outprespace, FCLASS(f)->filter); - else - g_error("Filter function unplmenented in class"); -} - -void camel_mime_filter_complete(CamelMimeFilter *f, - char *in, size_t len, size_t prespace, - char **out, size_t *outlen, size_t *outprespace) -{ - if (FCLASS(f)->complete) - filter_run(f, in, len, prespace, out, outlen, outprespace, FCLASS(f)->complete); -} - -void camel_mime_filter_reset(CamelMimeFilter *f) -{ - if (FCLASS(f)->reset) { - FCLASS(f)->reset(f); - } - - /* could free some buffers, if they are really big? */ - f->backlen = 0; -} - -/* sets number of bytes backed up on the input, new calls replace previous ones */ -void camel_mime_filter_backup(CamelMimeFilter *f, char *data, size_t length) -{ - if (f->backsize < length) { - /* g_realloc copies data, unnecessary overhead */ - g_free(f->backbuf); - f->backbuf = g_malloc(length+BACK_HEAD); - f->backsize = length+BACK_HEAD; - } - f->backlen = length; - memcpy(f->backbuf, data, length); -} - -/* ensure this much size available for filter output (if required) */ -void camel_mime_filter_set_size(CamelMimeFilter *f, size_t size, int keep) -{ - if (f->outsize < size) { - int offset = f->outptr - f->outreal; - if (keep) { - f->outreal = g_realloc(f->outreal, size + PRE_HEAD*4); - } else { - g_free(f->outreal); - f->outreal = g_malloc(size + PRE_HEAD*4); - } - f->outptr = f->outreal + offset; - f->outbuf = f->outreal + PRE_HEAD*4; - f->outsize = size; - /* this could be offset from the end of the structure, but - this should be good enough */ - f->outpre = PRE_HEAD*4; - } -} - |