input/rewind: convert to C++

1 files changed, 0 insertions, 256 deletions

diff --git a/src/input/rewind_input_plugin.c b/src/input/rewind_input_plugin.c
deleted file mode 100644
index cf06fc57b..000000000
--- a/src/input/rewind_input_plugin.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "input/rewind_input_plugin.h"
-#include "input_internal.h"
-#include "input_plugin.h"
-#include "tag.h"
-
-#include <glib.h>
-
-#include <assert.h>
-#include <stdio.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "input_rewind"
-
-struct input_rewind {
-	struct input_stream base;
-
-	struct input_stream *input;
-
-	/**
-	 * The read position within the buffer.  Undefined as long as
-	 * reading_from_buffer() returns false.
-	 */
-	size_t head;
-
-	/**
-	 * The write/append position within the buffer.
-	 */
-	size_t tail;
-
-	/**
-	 * The size of this buffer is the maximum number of bytes
-	 * which can be rewinded cheaply without passing the "seek"
-	 * call to CURL.
-	 *
-	 * The origin of this buffer is always the beginning of the
-	 * stream (offset 0).
-	 */
-	char buffer[64 * 1024];
-};
-
-/**
- * Are we currently reading from the buffer, and does the buffer
- * contain more data for the next read operation?
- */
-static bool
-reading_from_buffer(const struct input_rewind *r)
-{
-	return r->tail > 0 && r->base.offset < r->input->offset;
-}
-
-/**
- * Copy public attributes from the underlying input stream to the
- * "rewind" input stream.  This function is called when a method of
- * the underlying stream has returned, which may have modified these
- * attributes.
- */
-static void
-copy_attributes(struct input_rewind *r)
-{
-	struct input_stream *dest = &r->base;
-	const struct input_stream *src = r->input;
-
-	assert(dest != src);
-	assert(src->mime == NULL || dest->mime != src->mime);
-
-	bool dest_ready = dest->ready;
-
-	dest->ready = src->ready;
-	dest->seekable = src->seekable;
-	dest->size = src->size;
-	dest->offset = src->offset;
-
-	if (!dest_ready && src->ready) {
-		g_free(dest->mime);
-		dest->mime = g_strdup(src->mime);
-	}
-}
-
-static void
-input_rewind_close(struct input_stream *is)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	input_stream_close(r->input);
-
-	input_stream_deinit(&r->base);
-	g_free(r);
-}
-
-static bool
-input_rewind_check(struct input_stream *is, GError **error_r)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	return input_stream_check(r->input, error_r);
-}
-
-static void
-input_rewind_update(struct input_stream *is)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	if (!reading_from_buffer(r))
-		copy_attributes(r);
-}
-
-static struct tag *
-input_rewind_tag(struct input_stream *is)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	return input_stream_tag(r->input);
-}
-
-static bool
-input_rewind_available(struct input_stream *is)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	return input_stream_available(r->input);
-}
-
-static size_t
-input_rewind_read(struct input_stream *is, void *ptr, size_t size,
-		  GError **error_r)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	if (reading_from_buffer(r)) {
-		/* buffered read */
-
-		assert(r->head == (size_t)is->offset);
-		assert(r->tail == (size_t)r->input->offset);
-
-		if (size > r->tail - r->head)
-			size = r->tail - r->head;
-
-		memcpy(ptr, r->buffer + r->head, size);
-		r->head += size;
-		is->offset += size;
-
-		return size;
-	} else {
-		/* pass method call to underlying stream */
-
-		size_t nbytes = input_stream_read(r->input, ptr, size, error_r);
-
-		if (r->input->offset > (goffset)sizeof(r->buffer))
-			/* disable buffering */
-			r->tail = 0;
-		else if (r->tail == (size_t)is->offset) {
-			/* append to buffer */
-
-			memcpy(r->buffer + r->tail, ptr, nbytes);
-			r->tail += nbytes;
-
-			assert(r->tail == (size_t)r->input->offset);
-		}
-
-		copy_attributes(r);
-
-		return nbytes;
-	}
-}
-
-static bool
-input_rewind_eof(struct input_stream *is)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	return !reading_from_buffer(r) && input_stream_eof(r->input);
-}
-
-static bool
-input_rewind_seek(struct input_stream *is, goffset offset, int whence,
-		  GError **error_r)
-{
-	struct input_rewind *r = (struct input_rewind *)is;
-
-	assert(is->ready);
-
-	if (whence == SEEK_SET && r->tail > 0 && offset <= (goffset)r->tail) {
-		/* buffered seek */
-
-		assert(!reading_from_buffer(r) ||
-		       r->head == (size_t)is->offset);
-		assert(r->tail == (size_t)r->input->offset);
-
-		r->head = (size_t)offset;
-		is->offset = offset;
-
-		return true;
-	} else {
-		bool success = input_stream_seek(r->input, offset, whence,
-						 error_r);
-		copy_attributes(r);
-
-		/* disable the buffer, because r->input has left the
-		   buffered range now */
-		r->tail = 0;
-
-		return success;
-	}
-}
-
-static const struct input_plugin rewind_input_plugin = {
-	.close = input_rewind_close,
-	.check = input_rewind_check,
-	.update = input_rewind_update,
-	.tag = input_rewind_tag,
-	.available = input_rewind_available,
-	.read = input_rewind_read,
-	.eof = input_rewind_eof,
-	.seek = input_rewind_seek,
-};
-
-struct input_stream *
-input_rewind_open(struct input_stream *is)
-{
-	struct input_rewind *c;
-
-	assert(is != NULL);
-	assert(is->offset == 0);
-
-	if (is->seekable)
-		/* seekable resources don't need this plugin */
-		return is;
-
-	c = g_new(struct input_rewind, 1);
-	input_stream_init(&c->base, &rewind_input_plugin, is->uri,
-			  is->mutex, is->cond);
-	c->tail = 0;
-	c->input = is;
-
-	return &c->base;
-}