Continue splitting pageint.h into per-class files

core/fpdfapi/page/cpdf_contentparser.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_FPDFAPI_PAGE_CPDF_CONTENTPARSER_H_
+#define CORE_FPDFAPI_PAGE_CPDF_CONTENTPARSER_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fpdfapi/page/cpdf_streamcontentparser.h"
+
+class CPDF_AllStates;
+class CPDF_Form;
+class CPDF_Page;
+class CPDF_StreamAcc;
+class CPDF_Type3Char;
+
+class CPDF_ContentParser {
+ public:
+  enum ParseStatus { Ready, ToBeContinued, Done };
+
+  CPDF_ContentParser();
+  ~CPDF_ContentParser();
+
+  ParseStatus GetStatus() const { return m_Status; }
+  void Start(CPDF_Page* pPage);
+  void Start(CPDF_Form* pForm,
+             CPDF_AllStates* pGraphicStates,
+             const CFX_Matrix* pParentMatrix,
+             CPDF_Type3Char* pType3Char,
+             int level);
+  void Continue(IFX_Pause* pPause);
+
+ private:
+  enum InternalStage {
+    STAGE_GETCONTENT = 1,
+    STAGE_PARSE,
+    STAGE_CHECKCLIP,
+  };
+
+  ParseStatus m_Status;
+  InternalStage m_InternalStage;
+  CPDF_PageObjectHolder* m_pObjectHolder;
+  bool m_bForm;
+  CPDF_Type3Char* m_pType3Char;
+  uint32_t m_nStreams;
+  std::unique_ptr<CPDF_StreamAcc> m_pSingleStream;
+  std::vector<std::unique_ptr<CPDF_StreamAcc>> m_StreamArray;
+  uint8_t* m_pData;
+  uint32_t m_Size;
+  uint32_t m_CurrentOffset;
+  std::unique_ptr<CPDF_StreamContentParser> m_pParser;
+};
+
+#endif  // CORE_FPDFAPI_PAGE_CPDF_CONTENTPARSER_H_