1 files changed, 44 insertions, 0 deletions
diff --git a/fbreader/src/formats/chm/BitStream.cpp b/fbreader/src/formats/chm/BitStream.cpp
new file mode 100644
index 0000000..bf6c642
--- /dev/null
+++ b/fbreader/src/formats/chm/BitStream.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <cstring>
+
+#include "BitStream.h"
+
+const int BitStream::BufferSize = sizeof(unsigned int) * 8;
+
+unsigned int BitStream::get4BytesDirect() {
+	if (myByteStream + 4 > myByteStreamEnd) {
+		return 0;
+	}
+	unsigned int bytes = *myByteStream++ << 24;
+	bytes += *myByteStream++ << 16;
+	bytes += *myByteStream++ << 8;
+	bytes += *myByteStream++;
+	return bytes;
+}
+
+bool BitStream::getBytesDirect(unsigned char *buffer, unsigned int length) {
+	if (myByteStream + length > myByteStreamEnd) {
+		return false;
+	}
+	std::memcpy(buffer, myByteStream, length);
+	myByteStream += length;
+	return true;
+}