Cleanup XML buffer code

This CL removes the CXML_DataStmAcc class which was unused and moves the
CXML_DataBufAcc to a separate file. This removes the use of the
IFX_BufferedReadStream as the parent class and removes default
implemented methods.

Change-Id: I5a3921d5a6f882d54cc1c74305f1a777aa4cebfc
Reviewed-on: https://pdfium-review.googlesource.com/4292
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/core/fxcrt/xml/cxml_databufacc.cpp b/core/fxcrt/xml/cxml_databufacc.cpp
new file mode 100644
index 0000000000..b3e2e1f3e0
--- /dev/null
+++ b/core/fxcrt/xml/cxml_databufacc.cpp
@@ -0,0 +1,20 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxcrt/xml/cxml_databufacc.h"
+
+CXML_DataBufAcc::CXML_DataBufAcc(const uint8_t* pBuffer, size_t size)
+    : m_pBuffer(pBuffer), m_dwSize(size), m_dwCurPos(0) {}
+
+CXML_DataBufAcc::~CXML_DataBufAcc() {}
+
+bool CXML_DataBufAcc::ReadNextBlock() {
+  if (m_dwCurPos >= m_dwSize)
+    return false;
+
+  m_dwCurPos = m_dwSize;
+  return true;
+}