Split fpdf_parser_objects.cpp into per-class .cpp/.h files.

core/include/fpdfapi/cpdf_string.h

+// Copyright 2016 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_INCLUDE_FPDFAPI_CPDF_STRING_H_
+#define CORE_INCLUDE_FPDFAPI_CPDF_STRING_H_
+
+#include "core/include/fpdfapi/cpdf_object.h"
+#include "core/include/fxcrt/fx_string.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_String : public CPDF_Object {
+ public:
+  CPDF_String();
+  CPDF_String(const CFX_ByteString& str, FX_BOOL bHex);
+  explicit CPDF_String(const CFX_WideString& str);
+
+  // CPDF_Object.
+  Type GetType() const override;
+  CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override;
+  CFX_ByteString GetString() const override;
+  CFX_ByteStringC GetConstString() const override;
+  CFX_WideString GetUnicodeText() const override;
+  void SetString(const CFX_ByteString& str) override;
+  bool IsString() const override;
+  CPDF_String* AsString() override;
+  const CPDF_String* AsString() const override;
+
+  FX_BOOL IsHex() const { return m_bHex; }
+
+ protected:
+  ~CPDF_String() override;
+
+  CFX_ByteString m_String;
+  FX_BOOL m_bHex;
+};
+
+#endif  // CORE_INCLUDE_FPDFAPI_CPDF_STRING_H_