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GMemoryInputStream: Add API to accept GBytes
And s/Chunk/GBytes/ internally. GBytes is really a perfect match for GMemoryInputStream. https://bugzilla.gnome.org/show_bug.cgi?id=672102
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@ -548,6 +548,8 @@ g_loadable_icon_load_finish
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g_memory_input_stream_get_type
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g_memory_input_stream_new
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g_memory_input_stream_new_from_data
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g_memory_input_stream_new_from_bytes
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g_memory_input_stream_add_bytes
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g_memory_input_stream_add_data
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g_memory_output_stream_get_type
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g_memory_output_stream_new
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@ -44,14 +44,6 @@
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* #GPollableInputStream.
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*/
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typedef struct _Chunk Chunk;
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struct _Chunk {
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guint8 *data;
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gsize len;
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GDestroyNotify destroy;
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};
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struct _GMemoryInputStreamPrivate {
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GSList *chunks;
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gsize len;
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@ -139,17 +131,6 @@ g_memory_input_stream_class_init (GMemoryInputStreamClass *klass)
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istream_class->close_finish = g_memory_input_stream_close_finish;
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}
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static void
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free_chunk (gpointer data)
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{
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Chunk *chunk = data;
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if (chunk->destroy)
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chunk->destroy (chunk->data);
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g_slice_free (Chunk, chunk);
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}
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static void
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g_memory_input_stream_finalize (GObject *object)
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{
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@ -159,7 +140,7 @@ g_memory_input_stream_finalize (GObject *object)
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stream = G_MEMORY_INPUT_STREAM (object);
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priv = stream->priv;
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g_slist_free_full (priv->chunks, free_chunk);
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g_slist_free_full (priv->chunks, (GDestroyNotify)g_bytes_unref);
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G_OBJECT_CLASS (g_memory_input_stream_parent_class)->finalize (object);
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}
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@ -231,6 +212,29 @@ g_memory_input_stream_new_from_data (const void *data,
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return stream;
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}
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/**
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* g_memory_input_stream_new_from_bytes:
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* @bytes: a #GBytes
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*
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* Creates a new #GMemoryInputStream with data from the given @bytes.
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*
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* Returns: new #GInputStream read from @bytes
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* Since: 2.34
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**/
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GInputStream *
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g_memory_input_stream_new_from_bytes (GBytes *bytes)
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{
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GInputStream *stream;
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stream = g_memory_input_stream_new ();
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g_memory_input_stream_add_bytes (G_MEMORY_INPUT_STREAM (stream),
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bytes);
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return stream;
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}
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/**
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* g_memory_input_stream_add_data:
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* @stream: a #GMemoryInputStream
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@ -246,24 +250,43 @@ g_memory_input_stream_add_data (GMemoryInputStream *stream,
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gssize len,
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GDestroyNotify destroy)
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{
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GMemoryInputStreamPrivate *priv;
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Chunk *chunk;
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g_return_if_fail (G_IS_MEMORY_INPUT_STREAM (stream));
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g_return_if_fail (data != NULL);
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priv = stream->priv;
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GBytes *bytes;
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if (len == -1)
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len = strlen (data);
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chunk = g_slice_new (Chunk);
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chunk->data = (guint8 *)data;
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chunk->len = len;
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chunk->destroy = destroy;
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priv->chunks = g_slist_append (priv->chunks, chunk);
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priv->len += chunk->len;
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/* It's safe to discard the const here because we're chaining the
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* destroy callback.
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*/
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bytes = g_bytes_new_with_free_func (data, len, destroy, (void*)data);
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g_memory_input_stream_add_bytes (stream, bytes);
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g_bytes_unref (bytes);
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}
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/**
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* g_memory_input_stream_add_bytes:
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* @stream: a #GMemoryInputStream
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* @bytes: input data
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*
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* Appends @bytes to data that can be read from the input stream.
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*
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* Since: 2.34
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*/
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void
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g_memory_input_stream_add_bytes (GMemoryInputStream *stream,
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GBytes *bytes)
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{
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GMemoryInputStreamPrivate *priv;
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g_return_if_fail (G_IS_MEMORY_INPUT_STREAM (stream));
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g_return_if_fail (bytes != NULL);
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priv = stream->priv;
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priv->chunks = g_slist_append (priv->chunks, g_bytes_ref (bytes));
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priv->len += g_bytes_get_size (bytes);
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}
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static gssize
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@ -276,7 +299,8 @@ g_memory_input_stream_read (GInputStream *stream,
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GMemoryInputStream *memory_stream;
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GMemoryInputStreamPrivate *priv;
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GSList *l;
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Chunk *chunk;
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GBytes *chunk;
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gsize len;
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gsize offset, start, rest, size;
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memory_stream = G_MEMORY_INPUT_STREAM (stream);
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@ -287,12 +311,13 @@ g_memory_input_stream_read (GInputStream *stream,
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offset = 0;
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for (l = priv->chunks; l; l = l->next)
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{
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chunk = (Chunk *)l->data;
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chunk = (GBytes *)l->data;
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len = g_bytes_get_size (chunk);
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if (offset + chunk->len > priv->pos)
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if (offset + len > priv->pos)
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break;
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offset += chunk->len;
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offset += len;
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}
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start = priv->pos - offset;
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@ -300,10 +325,14 @@ g_memory_input_stream_read (GInputStream *stream,
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for (; l && rest > 0; l = l->next)
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{
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chunk = (Chunk *)l->data;
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size = MIN (rest, chunk->len - start);
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const guint8* chunk_data;
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chunk = (GBytes *)l->data;
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memcpy ((guint8 *)buffer + (count - rest), chunk->data + start, size);
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chunk_data = g_bytes_get_data (chunk, &len);
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size = MIN (rest, len - start);
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memcpy ((guint8 *)buffer + (count - rest), chunk_data + start, size);
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rest -= size;
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start = 0;
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@ -72,10 +72,16 @@ GInputStream * g_memory_input_stream_new (void);
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GInputStream * g_memory_input_stream_new_from_data (const void *data,
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gssize len,
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GDestroyNotify destroy);
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GLIB_AVAILABLE_IN_2_34
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GInputStream * g_memory_input_stream_new_from_bytes (GBytes *bytes);
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void g_memory_input_stream_add_data (GMemoryInputStream *stream,
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const void *data,
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gssize len,
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GDestroyNotify destroy);
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GLIB_AVAILABLE_IN_2_34
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void g_memory_input_stream_add_bytes (GMemoryInputStream *stream,
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GBytes *bytes);
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G_END_DECLS
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