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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2002-2004 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 "gmime-filter-strip.h"
static void g_mime_filter_strip_class_init (GMimeFilterStripClass *klass);
static void g_mime_filter_strip_init (GMimeFilterStrip *filter, GMimeFilterStripClass *klass);
static void g_mime_filter_strip_finalize (GObject *object);
static GMimeFilter *filter_copy (GMimeFilter *filter);
static void filter_filter (GMimeFilter *filter, char *in, size_t len, size_t prespace,
char **out, size_t *outlen, size_t *outprespace);
static void filter_complete (GMimeFilter *filter, char *in, size_t len, size_t prespace,
char **out, size_t *outlen, size_t *outprespace);
static void filter_reset (GMimeFilter *filter);
static GMimeFilterClass *parent_class = NULL;
GType
g_mime_filter_strip_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (GMimeFilterStripClass),
NULL, /* base_class_init */
NULL, /* base_class_finalize */
(GClassInitFunc) g_mime_filter_strip_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GMimeFilterStrip),
0, /* n_preallocs */
(GInstanceInitFunc) g_mime_filter_strip_init,
};
type = g_type_register_static (GMIME_TYPE_FILTER, "GMimeFilterStrip", &info, 0);
}
return type;
}
static void
g_mime_filter_strip_class_init (GMimeFilterStripClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GMimeFilterClass *filter_class = GMIME_FILTER_CLASS (klass);
parent_class = g_type_class_ref (GMIME_TYPE_FILTER);
object_class->finalize = g_mime_filter_strip_finalize;
filter_class->copy = filter_copy;
filter_class->filter = filter_filter;
filter_class->complete = filter_complete;
filter_class->reset = filter_reset;
}
static void
g_mime_filter_strip_init (GMimeFilterStrip *filter, GMimeFilterStripClass *klass)
{
/* no-op */
}
static void
g_mime_filter_strip_finalize (GObject *object)
{
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GMimeFilter *
filter_copy (GMimeFilter *filter)
{
return g_mime_filter_strip_new ();
}
static void
filter_filter (GMimeFilter *filter, char *in, size_t len, size_t prespace,
char **out, size_t *outlen, size_t *outprespace)
{
register unsigned char *inptr, *last;
unsigned char *inend, *start;
char *outptr;
g_mime_filter_set_size (filter, len, FALSE);
last = inptr = (unsigned char *) in;
inend = (unsigned char *) in + len;
outptr = filter->outbuf;
while (inptr < inend) {
start = inptr;
while (inptr < inend && *inptr != '\n') {
if (*inptr != ' ' && *inptr != '\t')
last = inptr + 1;
inptr++;
}
memcpy (outptr, start, last - start);
outptr += (last - start);
if (inptr < inend) {
/* write the newline */
*outptr++ = (char) *inptr++;
last = inptr;
}
}
g_mime_filter_backup (filter, last, inptr - last);
*out = filter->outbuf;
*outlen = outptr - filter->outbuf;
*outprespace = filter->outpre;
}
static void
filter_complete (GMimeFilter *filter, char *in, size_t len, size_t prespace,
char **out, size_t *outlen, size_t *outprespace)
{
if (len)
filter_filter (filter, in, len, prespace, out, outlen, outprespace);
}
static void
filter_reset (GMimeFilter *filter)
{
/* no-op */
}
/**
* g_mime_filter_strip_new:
*
* Creates a new GMimeFilterStrip filter.
*
* Returns a new strip filter.
**/
GMimeFilter *
g_mime_filter_strip_new ()
{
GMimeFilterStrip *new;
new = g_object_new (GMIME_TYPE_FILTER_STRIP, NULL, NULL);
return (GMimeFilter *) new;
}
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