Index: core/fpdfapi/page/cpdf_streamparser.h |
diff --git a/core/fpdfapi/page/cpdf_streamparser.h b/core/fpdfapi/page/cpdf_streamparser.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ce01dd04ee352ac2d9c346b75226dc31761bee4e |
--- /dev/null |
+++ b/core/fpdfapi/page/cpdf_streamparser.h |
@@ -0,0 +1,60 @@ |
+// 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_PAGE_CPDF_STREAMPARSER_H_ |
+#define CORE_FPDFAPI_PAGE_CPDF_STREAMPARSER_H_ |
+ |
+#include <memory> |
+#include <utility> |
+ |
+#include "core/fpdfapi/parser/cpdf_dictionary.h" |
+#include "core/fpdfapi/parser/cpdf_document.h" |
+#include "core/fpdfapi/parser/cpdf_object.h" |
+#include "core/fpdfapi/parser/cpdf_stream.h" |
+#include "core/fxcrt/cfx_string_pool_template.h" |
+#include "core/fxcrt/cfx_weak_ptr.h" |
+ |
+class CPDF_StreamParser { |
+ public: |
+ enum SyntaxType { EndOfData, Number, Keyword, Name, Others }; |
+ |
+ CPDF_StreamParser(const uint8_t* pData, uint32_t dwSize); |
+ CPDF_StreamParser(const uint8_t* pData, |
+ uint32_t dwSize, |
+ const CFX_WeakPtr<CFX_ByteStringPool>& pPool); |
+ ~CPDF_StreamParser(); |
+ |
+ SyntaxType ParseNextElement(); |
+ const uint8_t* GetWordBuf() const { return m_WordBuffer; } |
+ uint32_t GetWordSize() const { return m_WordSize; } |
+ uint32_t GetPos() const { return m_Pos; } |
+ void SetPos(uint32_t pos) { m_Pos = pos; } |
+ std::unique_ptr<CPDF_Object> GetObject() { return std::move(m_pLastObj); } |
+ std::unique_ptr<CPDF_Object> ReadNextObject(bool bAllowNestedArray, |
+ uint32_t dwInArrayLevel); |
+ std::unique_ptr<CPDF_Stream> ReadInlineStream( |
+ CPDF_Document* pDoc, |
+ std::unique_ptr<CPDF_Dictionary> pDict, |
+ CPDF_Object* pCSObj); |
+ |
+ private: |
+ friend class cpdf_streamparser_ReadHexString_Test; |
+ |
+ void GetNextWord(bool& bIsNumber); |
+ CFX_ByteString ReadString(); |
+ CFX_ByteString ReadHexString(); |
+ bool PositionIsInBounds() const; |
+ |
+ const uint8_t* m_pBuf; |
+ uint32_t m_Size; // Length in bytes of m_pBuf. |
+ uint32_t m_Pos; // Current byte position within m_pBuf. |
+ uint8_t m_WordBuffer[256]; |
+ uint32_t m_WordSize; |
+ std::unique_ptr<CPDF_Object> m_pLastObj; |
+ CFX_WeakPtr<CFX_ByteStringPool> m_pPool; |
+}; |
+ |
+#endif // CORE_FPDFAPI_PAGE_CPDF_STREAMPARSER_H_ |