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-rw-r--r--camel/camel-stream-mem.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/camel/camel-stream-mem.c b/camel/camel-stream-mem.c
deleted file mode 100644
index b9012bcccb..0000000000
--- a/camel/camel-stream-mem.c
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@@ -1,246 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-stream-mem.c: memory buffer based stream */
-
-/*
- * Authors: Bertrand Guiheneuf <bertrand@helixcode.com>
- * Michael Zucchi <notzed@helixcode.com>
- *
- * Copyright 1999, 2000 Helix Code, Inc. (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-mem.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-
-static CamelSeekableStreamClass *parent_class = NULL;
-
-/* Returns the class for a CamelStreamMem */
-#define CSM_CLASS(so) CAMEL_STREAM_MEM_CLASS(CAMEL_OBJECT_GET_CLASS(so))
-
-static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n);
-static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n);
-static gboolean stream_eos (CamelStream *stream);
-static off_t stream_seek (CamelSeekableStream *stream, off_t offset,
- CamelStreamSeekPolicy policy);
-
-static void camel_stream_mem_finalize (CamelObject *object);
-
-static void
-camel_stream_mem_class_init (CamelStreamMemClass *camel_stream_mem_class)
-{
- CamelSeekableStreamClass *camel_seekable_stream_class =
- CAMEL_SEEKABLE_STREAM_CLASS (camel_stream_mem_class);
- CamelStreamClass *camel_stream_class =
- CAMEL_STREAM_CLASS (camel_stream_mem_class);
-
- parent_class = CAMEL_SEEKABLE_STREAM_CLASS( camel_type_get_global_classfuncs( CAMEL_SEEKABLE_STREAM_TYPE ) );
-
- /* virtual method overload */
- camel_stream_class->read = stream_read;
- camel_stream_class->write = stream_write;
- camel_stream_class->eos = stream_eos;
-
- camel_seekable_stream_class->seek = stream_seek;
-}
-
-static void
-camel_stream_mem_init (CamelObject *object)
-{
- CamelStreamMem *stream_mem = CAMEL_STREAM_MEM (object);
-
- stream_mem->owner = FALSE;
- stream_mem->buffer = 0;
-}
-
-CamelType
-camel_stream_mem_get_type (void)
-{
- static CamelType camel_stream_mem_type = CAMEL_INVALID_TYPE;
-
- if (camel_stream_mem_type == CAMEL_INVALID_TYPE) {
- camel_stream_mem_type = camel_type_register( CAMEL_SEEKABLE_STREAM_TYPE,
- "CamelStreamMem",
- sizeof( CamelStreamMem ),
- sizeof( CamelStreamMemClass ),
- (CamelObjectClassInitFunc) camel_stream_mem_class_init,
- NULL,
- (CamelObjectInitFunc) camel_stream_mem_init,
- (CamelObjectFinalizeFunc) camel_stream_mem_finalize );
- }
-
- return camel_stream_mem_type;
-}
-
-
-CamelStream *
-camel_stream_mem_new (void)
-{
- return camel_stream_mem_new_with_byte_array (g_byte_array_new ());
-}
-
-CamelStream *
-camel_stream_mem_new_with_buffer (const char *buffer, size_t len)
-{
- GByteArray *ba;
-
- ba = g_byte_array_new ();
- g_byte_array_append (ba, (const guint8 *)buffer, len);
- return camel_stream_mem_new_with_byte_array (ba);
-}
-
-CamelStream *
-camel_stream_mem_new_with_byte_array (GByteArray *byte_array)
-{
- CamelStreamMem *stream_mem;
-
- stream_mem = CAMEL_STREAM_MEM( camel_object_new (CAMEL_STREAM_MEM_TYPE) );
- stream_mem->buffer = byte_array;
- stream_mem->owner = TRUE;
-
- return CAMEL_STREAM (stream_mem);
-}
-
-/* note: with these functions the caller is the 'owner' of the buffer */
-void camel_stream_mem_set_byte_array (CamelStreamMem *s, GByteArray *buffer)
-{
- if (s->buffer && s->owner)
- g_byte_array_free(s->buffer, TRUE);
- s->owner = FALSE;
- s->buffer = buffer;
-}
-
-void camel_stream_mem_set_buffer (CamelStreamMem *s, const char *buffer, size_t len)
-{
- GByteArray *ba;
-
- ba = g_byte_array_new ();
- g_byte_array_append(ba, (const guint8 *)buffer, len);
- camel_stream_mem_set_byte_array(s, ba);
- s->owner = TRUE;
-}
-
-static void
-camel_stream_mem_finalize (CamelObject *object)
-{
- CamelStreamMem *stream_mem = CAMEL_STREAM_MEM (object);
-
- if (stream_mem->buffer && stream_mem->owner)
- g_byte_array_free (stream_mem->buffer, TRUE);
-
- /* Will be called automagically in the Camel Type System!
- * Wheeee!
- * G_TK_OBJECT_CLASS (parent_class)->finalize (object);
- */
-}
-
-static ssize_t
-stream_read (CamelStream *stream, char *buffer, size_t n)
-{
- CamelStreamMem *camel_stream_mem = CAMEL_STREAM_MEM (stream);
- CamelSeekableStream *seekable = CAMEL_SEEKABLE_STREAM (stream);
- ssize_t nread;
-
- if (seekable->bound_end != CAMEL_STREAM_UNBOUND)
- n = MIN(seekable->bound_end - seekable->position, n);
-
- nread = MIN (n, camel_stream_mem->buffer->len - seekable->position);
- if (nread > 0) {
- memcpy (buffer, camel_stream_mem->buffer->data + seekable->position, nread);
- seekable->position += nread;
- } else
- nread = 0;
-
- return nread;
-}
-
-static ssize_t
-stream_write (CamelStream *stream, const char *buffer, size_t n)
-{
- CamelStreamMem *stream_mem = CAMEL_STREAM_MEM (stream);
- CamelSeekableStream *seekable = CAMEL_SEEKABLE_STREAM (stream);
- ssize_t nwrite = n;
-
- if (seekable->bound_end != CAMEL_STREAM_UNBOUND)
- nwrite = MIN(seekable->bound_end - seekable->position, n);
-
-#ifndef NO_WARNINGS
-#warning "g_byte_arrays use g_malloc and so are totally unsuitable for this object"
-#endif
- if (seekable->position == stream_mem->buffer->len) {
- g_byte_array_append(stream_mem->buffer, (const guint8 *)buffer, nwrite);
- } else {
- g_byte_array_set_size(stream_mem->buffer, nwrite + stream_mem->buffer->len);
- memcpy(stream_mem->buffer->data + seekable->position, buffer, nwrite);
- }
- seekable->position += nwrite;
-
- return nwrite;
-}
-
-static gboolean
-stream_eos (CamelStream *stream)
-{
- CamelStreamMem *stream_mem = CAMEL_STREAM_MEM (stream);
- CamelSeekableStream *seekable_stream = CAMEL_SEEKABLE_STREAM (stream);
-
- return stream_mem->buffer->len <= seekable_stream->position;
-}
-
-static off_t
-stream_seek (CamelSeekableStream *stream, off_t offset,
- CamelStreamSeekPolicy policy)
-{
- off_t position;
- CamelStreamMem *stream_mem = CAMEL_STREAM_MEM (stream);
-
- switch (policy) {
- case CAMEL_STREAM_SET:
- position = offset;
- break;
- case CAMEL_STREAM_CUR:
- position = stream->position + offset;
- break;
- case CAMEL_STREAM_END:
- position = (stream_mem->buffer)->len + offset;
- break;
- default:
- position = offset;
- break;
- }
-
- if (stream->bound_end != CAMEL_STREAM_UNBOUND)
- position = MIN (position, stream->bound_end);
- if (stream->bound_start != CAMEL_STREAM_UNBOUND)
- position = MAX (position, 0);
- else
- position = MAX (position, stream->bound_start);
-
- if (position > stream_mem->buffer->len) {
- int oldlen = stream_mem->buffer->len;
- g_byte_array_set_size (stream_mem->buffer, position);
- memset (stream_mem->buffer->data + oldlen, 0,
- position - oldlen);
- }
-
- stream->position = position;
-
- return position;
-}
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