Move CFX files into fxcrt

This Cl moves more of the CFX classes defined in the xfa/ directory to
the core/fxcrt directory and conditionally builds them.

Change-Id: I811e6c6acd31dfbe75b49880be43661f78334013
Reviewed-on: https://pdfium-review.googlesource.com/3372
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/core/fxcrt/cfx_wordbreak.h b/core/fxcrt/cfx_wordbreak.h
new file mode 100644
index 0000000000..4a7d925ec6
--- /dev/null
+++ b/core/fxcrt/cfx_wordbreak.h
@@ -0,0 +1,39 @@
+// Copyright 2014 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_WORDBREAK_H_
+#define CORE_FXCRT_CFX_WORDBREAK_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+
+class IFX_CharIter;
+
+class CFX_WordBreak {
+ public:
+  CFX_WordBreak();
+  ~CFX_WordBreak();
+
+  void Attach(IFX_CharIter* pIter);
+  void Attach(const CFX_WideString& wsText);
+  bool Next(bool bPrev);
+  void SetAt(int32_t nIndex);
+  int32_t GetWordPos() const;
+  int32_t GetWordLength() const;
+  void GetWord(CFX_WideString& wsWord) const;
+  bool IsEOF(bool bTail) const;
+
+ protected:
+  bool FindNextBreakPos(IFX_CharIter* pIter, bool bPrev, bool bFromNext = true);
+
+ private:
+  std::unique_ptr<IFX_CharIter> m_pPreIter;
+  std::unique_ptr<IFX_CharIter> m_pCurIter;
+};
+
+#endif  // CORE_FXCRT_CFX_WORDBREAK_H_