TableAbsorber.h

#pragma once
// Copyright (c) 2001-2024 Aspose Pty Ltd. All Rights Reserved.
//using System.Runtime.Remoting;

#include <system/collections/keyvalue_pair.h>
#include <system/array.h>
#include <cstdint>

#include "Aspose.PDF.Cpp/aspose_pdf_api_defs.h"

namespace Aspose
{
namespace Font
{
class TransformationMatrix;
} // namespace Font
namespace Pdf
{
class BaseOperatorCollection;
class Document;
class Operator;
class Page;
class Rectangle;
class Resources;
class Table;
namespace Text
{
class AbsorbedCell;
class AbsorbedRow;
class AbsorbedTable;
class TextFragment;
class TextPostReplaceFixer;
class TextSearchOptions;
} // namespace Text
} // namespace Pdf
} // namespace Aspose
namespace System
{
namespace Collections
{
namespace Generic
{
template <typename> class IList;
template <typename> class List;
template <typename, typename> class SortedList;
template <typename> class Stack;
} // namespace Generic
} // namespace Collections
} // namespace System

namespace Aspose {

namespace Pdf {

namespace Text {

class ASPOSE_PDF_SHARED_CLASS TableAbsorber : public System::Object
{
    typedef TableAbsorber ThisType;
    typedef System::Object BaseType;
    
    typedef ::System::BaseTypesInfo<BaseType> ThisTypeBaseTypesInfo;
    ASPOSE_PDF_SHARED_RTTI_INFO_DECL();
    
    friend class Aspose::Pdf::Text::TextPostReplaceFixer;
    friend class Aspose::Pdf::Text::TextFragment;
    
public:

    virtual ASPOSE_PDF_SHARED_API System::SharedPtr<Aspose::Pdf::Text::TextSearchOptions> get_TextSearchOptions();
    virtual ASPOSE_PDF_SHARED_API void set_TextSearchOptions(System::SharedPtr<Aspose::Pdf::Text::TextSearchOptions> value);
    virtual ASPOSE_PDF_SHARED_API System::SharedPtr<System::Collections::Generic::IList<System::SharedPtr<AbsorbedTable>>> get_TableList();
    ASPOSE_PDF_SHARED_API bool get_UseFlowEngine() const;
    ASPOSE_PDF_SHARED_API void set_UseFlowEngine(bool value);
    
    ASPOSE_PDF_SHARED_API TableAbsorber(System::SharedPtr<Aspose::Pdf::Text::TextSearchOptions> textSearchOptions);
    ASPOSE_PDF_SHARED_API TableAbsorber();
    
    virtual ASPOSE_PDF_SHARED_API void Visit(System::SharedPtr<Page> page);
    ASPOSE_PDF_SHARED_API void Visit(System::SharedPtr<Document> pdf);
    ASPOSE_PDF_SHARED_API void Remove(System::SharedPtr<AbsorbedTable> table);
    ASPOSE_PDF_SHARED_API void Replace(System::SharedPtr<Page> page, System::SharedPtr<AbsorbedTable> oldTable, System::SharedPtr<Table> newTable);
    
protected:

    System::ArrayPtr<System::SharedPtr<Rectangle>> GetCellsToRectArray(System::SharedPtr<Page> page);
    
private:

    static const int32_t MinimalOpenCellDimension;
    System::SharedPtr<Aspose::Pdf::Text::TextSearchOptions> _textSearchOptions;
    System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedTable>>> _tables;
    bool _useFlowEngine;
    System::SharedPtr<Page> _page;
    System::SharedPtr<BaseOperatorCollection> _operators;
    System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Aspose::Pdf::Rectangle>>> _initialRects;
    System::SharedPtr<System::Collections::Generic::List<System::Collections::Generic::KeyValuePair<System::SharedPtr<Rectangle>, System::SharedPtr<Operator>>>> _tableOps;
    System::SharedPtr<Rectangle> _potentialRect;
    System::SharedPtr<System::Collections::Generic::Stack<System::SharedPtr<Aspose::Font::TransformationMatrix>>> _transformationMatrices;
    System::SharedPtr<Aspose::Font::TransformationMatrix> _currentMatrix;
    
    void Init();
    System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedCell>>> VisitForCells(System::SharedPtr<Page> page);
    void ParsePageContent(System::SharedPtr<Page> page);
    void ParseOperators(System::SharedPtr<BaseOperatorCollection> operators, System::SharedPtr<Resources> resources);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedTable>>> GetTablesFromRows(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedRow>>> rows, int32_t pageNum);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedRow>>> GetRowsFromCells(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedCell>>> cells);
    static bool IsSameRow(System::SharedPtr<AbsorbedRow> currentRow, System::SharedPtr<AbsorbedCell> currentCell, System::SharedPtr<Rectangle>& mergedCell);
    static void ExpandLines(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> lines);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedCell>>> GetCells(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> horizontalLines, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> verticalLines);
    static void ParseCells(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> horizontalLines, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> verticalLines, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<AbsorbedCell>>> cells, int32_t hIndex, int32_t vIndex, int32_t hNextIndex, int32_t vNextIndex);
    static System::SharedPtr<Rectangle> GetIntersection(System::SharedPtr<Rectangle> hLine, System::SharedPtr<Rectangle> vLine);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> AggregateVLines(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> vLineFragList);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> AggregateHLines(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> hLineFragList);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> SortHFragments(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> unsorted);
    static System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> SortVFragments(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> unsorted);
    static System::SharedPtr<System::Collections::Generic::SortedList<double, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>>>> GetRangesSortedByPrimaryCoordinate(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> unsorted, bool IsAbscissa);
    static void GetLineFragments(System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>> rectangles, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>>& hLineFragList, System::SharedPtr<System::Collections::Generic::List<System::SharedPtr<Rectangle>>>& vLineFragList);
    void FillWithText(System::SharedPtr<Page> page);
    void ClearTextFragments(System::SharedPtr<Page> page);
    void NoOpPath();
    void OpStroke(System::SharedPtr<Operator> op);
    void OpFill(System::SharedPtr<Operator> op);
    void OpRe(System::SharedPtr<Operator> op);
    void OpPoint(System::SharedPtr<Operator> op);
    void OpLine(System::SharedPtr<Operator> op);
    void Q(int32_t opIndex, System::SharedPtr<Operator> op);
    void q(int32_t opIndex, System::SharedPtr<Operator> op);
    void cm(System::SharedPtr<Operator> op);
    void opDo(System::SharedPtr<Operator> op, System::SharedPtr<Resources> resources);
    bool RemoveTableOpsFromRectange(System::SharedPtr<Rectangle> rect, System::SharedPtr<Page> page);
    
};

} // namespace Text
} // namespace Pdf
} // namespace Aspose