/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-stream.c : abstract class for a stream */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 HelixCode (http://www.helixcode.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 Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include "camel-stream.h"
enum {
DATA_AVAILABLE,
LAST_SIGNAL
};
static guint camel_stream_signals[LAST_SIGNAL] = { 0 };
static GtkObjectClass *parent_class = NULL;
/* Returns the class for a CamelStream */
#define CS_CLASS(so) CAMEL_STREAM_CLASS (GTK_OBJECT(so)->klass)
static void
default_camel_flush (CamelStream *stream)
{
/* nothing */
}
static void
default_camel_close (CamelStream *stream)
{
/* nothing */
}
static void
camel_stream_class_init (CamelStreamClass *camel_stream_class)
{
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_stream_class);
parent_class = gtk_type_class (gtk_object_get_type ());
/* virtual method definition */
camel_stream_class->read = NULL;
camel_stream_class->write = NULL;
camel_stream_class->flush = default_camel_flush;
camel_stream_class->available = NULL;
camel_stream_class->eos = NULL;
camel_stream_class->close = default_camel_close;
camel_stream_class->close = NULL;
/* virtual method overload */
/* signal definition */
camel_stream_signals[DATA_AVAILABLE] =
gtk_signal_new ("data_available",
GTK_RUN_LAST,
gtk_object_class->type,
GTK_SIGNAL_OFFSET (CamelStreamClass, data_available),
gtk_marshal_NONE__NONE,
GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (gtk_object_class, camel_stream_signals, LAST_SIGNAL);
}
GtkType
camel_stream_get_type (void)
{
static GtkType camel_stream_type = 0;
if (!camel_stream_type) {
GtkTypeInfo camel_stream_info =
{
"CamelStream",
sizeof (CamelStream),
sizeof (CamelStreamClass),
(GtkClassInitFunc) camel_stream_class_init,
(GtkObjectInitFunc) NULL,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_stream_type = gtk_type_unique (gtk_object_get_type (), &camel_stream_info);
}
return camel_stream_type;
}
/**
* camel_stream_read:
* @stream: a CamelStream.
* @buffer: buffer where bytes pulled from the stream are stored.
* @n: max number of bytes to read.
*
* Read at most @n bytes from the @stream object and stores them
* in the buffer pointed at by @buffer.
*
* Return value: number of bytes actually read.
**/
gint
camel_stream_read (CamelStream *stream, gchar *buffer, gint n)
{
return CS_CLASS (stream)->read (stream, buffer, n);
}
/**
* camel_stream_write:
* @stream: a CamelStream object.
* @buffer: buffer to write.
* @n: number of bytes to write
*
* Write @n bytes from the buffer pointed at by @buffer into @stream.
*
* Return value: the number of bytes actually written
* in the stream.
**/
gint
camel_stream_write (CamelStream *stream, const gchar *buffer, gint n)
{
return CS_CLASS (stream)->write (stream, buffer, n);
}
/**
* camel_stream_flush:
* @stream: a CamelStream object
*
* Flushes the contents of the stream to its backing store.
**/
void
camel_stream_flush (CamelStream *stream)
{
CS_CLASS (stream)->flush (stream);
}
/**
* camel_stream_available:
* @stream: a CamelStream object
*
* Return value: %TRUE if some data is available for reading, %FALSE otherwise
**/
gboolean
camel_stream_available (CamelStream *stream)
{
return CS_CLASS (stream)->available (stream);
}
/**
* camel_stream_eos:
* @stream: a CamelStream object
*
* Test if there are bytes left to read on the @stream object.
*
* Return value: %TRUE if all the contents on the stream has been read, or
* %FALSE if information is still available.
**/
gboolean
camel_stream_eos (CamelStream *stream)
{
return CS_CLASS (stream)->eos (stream);
}
/**
* camel_stram_close:
* @stream: a CamelStream object.
*
* Close the @stream object.
**/
void
camel_stream_close (CamelStream *stream)
{
CS_CLASS (stream)->close (stream);
}
/**
* camel_stream_reset: reset a stream
* @stream: the stream object
*
* Reset a stream, that is put it in a state
* where it can be read from the begining.
* All streams in camel are not seekable,
* but they must all be resettable.
*
**/
void
camel_stream_reset (CamelStream *stream)
{
CS_CLASS (stream)->reset (stream);
}
/***************** Utility functions ********************/
/**
* came_stream_write_strings:
* @stream: a CamelStream object.
* @...: A %NULL terminated list of strings.
*
* This is a utility function that writes the list of
* strings into the @stream object.
*/
void
camel_stream_write_strings (CamelStream *stream, ... )
{
va_list args;
const char *string;
va_start(args, stream);
string = va_arg (args, const char *);
while (string) {
camel_stream_write_string (stream, string);
string = va_arg (args, char *);
}
va_end (args);
}
href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/archivers/dact?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e'>commit</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/diff/archivers/dact?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e'>diff</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/stats/archivers/dact?h=gnome-3.24'>stats</a></td><td class='form'><form class='right' method='get' action='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/archivers/dact'>
<input type='hidden' name='h' value='gnome-3.24'/><input type='hidden' name='id' value='16c1e7980500005ff752e2386244ec1741ba4d2e'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e'>root</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/archivers?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e'>archivers</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/archivers/dact?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e'>dact</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th></th><th class='left'>Commit message (<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/archivers/dact?h=gnome-3.24&id=16c1e7980500005ff752e2386244ec1741ba4d2e&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Age</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/archivers/dact?h=gnome-3.24&id=6a6598794c71ebe0f3ed62fb8f9d82c966ac87ec'>- Fix configure warning</a></td><td>krion</td><td><span title='2004-04-18 03:12:38 +0800'>2004-04-18</span></td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+1</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/archivers/dact?h=gnome-3.24&id=3c0625e6de2b3875eca62ae397afd0a3bfb7ab9f'>Bump PORTREVISION on all ports that depend on gettext to aid with upgrading.</a></td><td>marcus</td><td><span title='2004-02-04 13:21:48 +0800'>2004-02-04</span></td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/archivers/dact?h=gnome-3.24&id=5f82a46037e9f3edcfda473236fd02495b0149ec'>Add SIZE.</a></td><td>trevor</td><td><span title='2004-01-28 04:51:07 +0800'>2004-01-28</span></td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+1</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/archivers/dact?h=gnome-3.24&id=d544d5d574fe952745d839da68236d4b79ae0f9d'>- Update to 0.8.35</a></td><td>pav</td><td><span title='2004-01-09 08:24:57 +0800'>2004-01-09</span></td><td>3</td><td><span class='deletions'>-2</span>/<span class='insertions'>+12</span></td></tr>