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/* -*-Mode: C;-*-
* $Id: simple.c 1.1 Sun, 28 Jan 2007 10:02:26 -0800 jmacd $
*
* Copyright (C) 1998, 1999, Josh MacDonald.
* All Rights Reserved.
*
* Author: Josh MacDonald <jmacd@CS.Berkeley.EDU>
*/
#include "edsio.h"
/* Simple Source
*/
typedef struct _ByteArraySource ByteArraySource;
struct _ByteArraySource {
SerialSource source;
const guint8* in_data;
guint in_len;
guint read_pos;
guint flags;
};
static gboolean byte_array_source_close (SerialSource* source);
static gboolean byte_array_source_read (SerialSource* source, guint8 *ptr, guint32 len);
static void byte_array_source_free (SerialSource* source);
SerialSource*
edsio_simple_source (const guint8* data, guint len, guint flags)
{
ByteArraySource* it = g_new0 (ByteArraySource, 1);
SerialSource* src = (SerialSource*) it;
serializeio_source_init (& it->source,
NULL,
byte_array_source_close,
byte_array_source_read,
byte_array_source_free,
NULL,
NULL);
it->in_data = data;
it->in_len = len;
it->flags = flags;
if (flags & SBF_Base64)
src = serializeio_base64_source (src);
if (flags & SBF_Checksum)
src = serializeio_checksum_source (src);
if (flags & SBF_Compress)
src = serializeio_gzip_source (src);
return src;
}
gboolean
byte_array_source_close (SerialSource* source)
{
return TRUE;
}
gboolean
byte_array_source_read (SerialSource* source, guint8 *buf, guint32 len)
{
ByteArraySource* ssource = (ByteArraySource*) source;
if (len + ssource->read_pos > ssource->in_len)
{
edsio_generate_source_event (EC_EdsioSourceEof, source);
return FALSE;
}
memcpy (buf, ssource->in_data + ssource->read_pos, len);
ssource->read_pos += len;
return TRUE;
}
void
byte_array_source_free (SerialSource* source)
{
g_free (source);
}
/* BASE64 Sink
*/
typedef struct _ByteArraySink ByteArraySink;
struct _ByteArraySink {
SerialSink sink;
GByteArray* out;
gpointer data;
guint flags;
gboolean free_result;
void (* success) (gpointer data, GByteArray* result);
};
static gboolean byte_array_sink_close (SerialSink* sink);
static gboolean byte_array_sink_write (SerialSink* sink, const guint8 *ptr, guint32 len);
static void byte_array_sink_free (SerialSink* sink);
SerialSink*
edsio_simple_sink (gpointer data,
guint flags,
gboolean free_result,
void (* success) (gpointer data, GByteArray* result),
GByteArray **result)
{
ByteArraySink* it = g_new0 (ByteArraySink, 1);
SerialSink* sink = (SerialSink*) it;
serializeio_sink_init (&it->sink,
NULL,
byte_array_sink_close,
byte_array_sink_write,
byte_array_sink_free,
NULL);
it->data = data;
it->out = g_byte_array_new ();
it->flags = flags;
it->free_result = free_result;
it->success = success;
if (result)
(*result) = it->out;
if (flags & SBF_Base64)
sink = serializeio_base64_sink (sink);
if (flags & SBF_Checksum)
sink = serializeio_checksum_sink (sink);
if (flags & SBF_Compress)
sink = serializeio_gzip_sink (sink);
return sink;
}
gboolean
byte_array_sink_close (SerialSink* sink)
{
ByteArraySink* ssink = (ByteArraySink*) sink;
if (ssink->success)
ssink->success (ssink->data, ssink->out);
return TRUE;
}
gboolean
byte_array_sink_write (SerialSink* sink, const guint8 *ptr, guint32 len)
{
ByteArraySink* ssink = (ByteArraySink*) sink;
g_byte_array_append (ssink->out, ptr, len);
return TRUE;
}
void
byte_array_sink_free (SerialSink* sink)
{
ByteArraySink* ssink = (ByteArraySink*) sink;
if (ssink->out && ssink->free_result)
g_byte_array_free (ssink->out, TRUE);
g_free (sink);
}
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