1 files changed, 98 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_dictionary.h b/core/fpdfapi/parser/cpdf_dictionary.h
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+++ b/core/fpdfapi/parser/cpdf_dictionary.h
@@ -0,0 +1,98 @@
+// 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_FPDFAPI_PARSER_CPDF_DICTIONARY_H_
+#define CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_
+
+#include <map>
+#include <set>
+
+#include "core/fpdfapi/parser/cpdf_object.h"
+#include "core/fxcrt/cfx_string_pool_template.h"
+#include "core/fxcrt/cfx_weak_ptr.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_string.h"
+
+class CPDF_IndirectObjectHolder;
+
+class CPDF_Dictionary : public CPDF_Object {
+ public:
+  using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator;
+  using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator;
+
+  CPDF_Dictionary();
+  explicit CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
+
+  // CPDF_Object.
+  Type GetType() const override;
+  CPDF_Object* Clone() const override;
+  CPDF_Dictionary* GetDict() const override;
+  bool IsDictionary() const override;
+  CPDF_Dictionary* AsDictionary() override;
+  const CPDF_Dictionary* AsDictionary() const override;
+
+  size_t GetCount() const { return m_Map.size(); }
+  CPDF_Object* GetObjectFor(const CFX_ByteString& key) const;
+  CPDF_Object* GetDirectObjectFor(const CFX_ByteString& key) const;
+  CFX_ByteString GetStringFor(const CFX_ByteString& key) const;
+  CFX_ByteString GetStringFor(const CFX_ByteString& key,
+                              const CFX_ByteString& default_str) const;
+  CFX_WideString GetUnicodeTextFor(const CFX_ByteString& key) const;
+  int GetIntegerFor(const CFX_ByteString& key) const;
+  int GetIntegerFor(const CFX_ByteString& key, int default_int) const;
+  bool GetBooleanFor(const CFX_ByteString& key, bool bDefault = false) const;
+  FX_FLOAT GetNumberFor(const CFX_ByteString& key) const;
+  CPDF_Dictionary* GetDictFor(const CFX_ByteString& key) const;
+  CPDF_Stream* GetStreamFor(const CFX_ByteString& key) const;
+  CPDF_Array* GetArrayFor(const CFX_ByteString& key) const;
+  CFX_FloatRect GetRectFor(const CFX_ByteString& key) const;
+  CFX_Matrix GetMatrixFor(const CFX_ByteString& key) const;
+  FX_FLOAT GetFloatFor(const CFX_ByteString& key) const {
+    return GetNumberFor(key);
+  }
+
+  FX_BOOL KeyExist(const CFX_ByteString& key) const;
+  bool IsSignatureDict() const;
+
+  // Set* functions invalidate iterators for the element with the key |key|.
+  void SetFor(const CFX_ByteString& key, CPDF_Object* pObj);
+  void SetNameFor(const CFX_ByteString& key, const CFX_ByteString& name);
+  void SetStringFor(const CFX_ByteString& key, const CFX_ByteString& str);
+  void SetIntegerFor(const CFX_ByteString& key, int i);
+  void SetNumberFor(const CFX_ByteString& key, FX_FLOAT f);
+  void SetReferenceFor(const CFX_ByteString& key,
+                       CPDF_IndirectObjectHolder* pDoc,
+                       uint32_t objnum);
+  void SetRectFor(const CFX_ByteString& key, const CFX_FloatRect& rect);
+  void SetMatrixFor(const CFX_ByteString& key, const CFX_Matrix& matrix);
+  void SetBooleanFor(const CFX_ByteString& key, bool bValue);
+
+  // Invalidates iterators for the element with the key |key|.
+  void RemoveFor(const CFX_ByteString& key);
+
+  // Invalidates iterators for the element with the key |oldkey|.
+  void ReplaceKey(const CFX_ByteString& oldkey, const CFX_ByteString& newkey);
+
+  iterator begin() { return m_Map.begin(); }
+  iterator end() { return m_Map.end(); }
+  const_iterator begin() const { return m_Map.begin(); }
+  const_iterator end() const { return m_Map.end(); }
+
+  CFX_WeakPtr<CFX_ByteStringPool> GetByteStringPool() const { return m_pPool; }
+
+ protected:
+  ~CPDF_Dictionary() override;
+
+  CFX_ByteString MaybeIntern(const CFX_ByteString& str);
+  CPDF_Object* CloneNonCyclic(
+      bool bDirect,
+      std::set<const CPDF_Object*>* visited) const override;
+
+  CFX_WeakPtr<CFX_ByteStringPool> m_pPool;
+  std::map<CFX_ByteString, CPDF_Object*> m_Map;
+};
+
+#endif  // CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_