Move CFX_WideTextBuf out of fx_basic

This CL moves CFX_WideTextBuf to its own files and updates includes as
needed.

Change-Id: Ibe66ecf3e66f8f01dd8e9eaf6b467588be86ad4f
Reviewed-on: https://pdfium-review.googlesource.com/12413
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/core/fxcrt/cfx_widetextbuf.h b/core/fxcrt/cfx_widetextbuf.h
new file mode 100644
index 0000000000..0c9b6ff99d
--- /dev/null
+++ b/core/fxcrt/cfx_widetextbuf.h
@@ -0,0 +1,44 @@
+// 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
+
+#ifndef CORE_FXCRT_CFX_WIDETEXTBUF_H_
+#define CORE_FXCRT_CFX_WIDETEXTBUF_H_
+
+#include "core/fxcrt/cfx_binarybuf.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+
+class CFX_WideTextBuf : public CFX_BinaryBuf {
+ public:
+  void AppendChar(wchar_t wch);
+  FX_STRSIZE GetLength() const { return m_DataSize / sizeof(wchar_t); }
+  wchar_t* GetBuffer() const {
+    return reinterpret_cast<wchar_t*>(m_pBuffer.get());
+  }
+
+  CFX_WideStringC AsStringC() const {
+    return CFX_WideStringC(reinterpret_cast<const wchar_t*>(m_pBuffer.get()),
+                           m_DataSize / sizeof(wchar_t));
+  }
+  CFX_WideString MakeString() const {
+    return CFX_WideString(reinterpret_cast<const wchar_t*>(m_pBuffer.get()),
+                          m_DataSize / sizeof(wchar_t));
+  }
+
+  void Delete(int start_index, int count) {
+    CFX_BinaryBuf::Delete(start_index * sizeof(wchar_t),
+                          count * sizeof(wchar_t));
+  }
+
+  CFX_WideTextBuf& operator<<(int i);
+  CFX_WideTextBuf& operator<<(double f);
+  CFX_WideTextBuf& operator<<(const wchar_t* lpsz);
+  CFX_WideTextBuf& operator<<(const CFX_WideStringC& str);
+  CFX_WideTextBuf& operator<<(const CFX_WideString& str);
+  CFX_WideTextBuf& operator<<(const CFX_WideTextBuf& buf);
+};
+
+#endif  // CORE_FXCRT_CFX_WIDETEXTBUF_H_