LayoutCollector.h

// Copyright 2001-2021 Aspose Pty Ltd. All Rights Reserved.
//
// This file is part of Aspose.Words. The source code in this file
// is only intended as a supplement to the documentation, and is provided
// "as is", without warranty of any kind, either expressed or implied.
#pragma once
 
#include <system/object.h>
#include <cstdint>
 
#include <Aspose.Words.Cpp/aspose_words_api_defs.h>
 
namespace Aspose { namespace Words { class PageExtractor; } }
namespace Aspose { namespace Words { namespace Layout { namespace Core { class SpanGenerator; } } } }
namespace Aspose { namespace Words { class Document; } }
namespace System { namespace Collections { namespace Generic { template <typename, typename> class Dictionary; } } }
namespace Aspose { namespace Collections { template <typename> class ObjToIntDictionary; } }
namespace Aspose { namespace Words { class Node; } }
namespace Aspose { namespace Words { namespace Layout { namespace Core { class Span; } } } }
namespace System { namespace Collections { namespace Generic { template <typename> class List; } } }
namespace Aspose { namespace Words { namespace Layout { namespace Core { class Part; } } } }
 
namespace Aspose {
 
namespace Words {
 
namespace Layout {
 
class ASPOSE_WORDS_SHARED_CLASS LayoutCollector : public System::Object
{
    typedef LayoutCollector ThisType;
    typedef System::Object BaseType;
 
    typedef ::System::BaseTypesInfo<BaseType> ThisTypeBaseTypesInfo;
    ASPOSE_WORDS_SHARED_RTTI_INFO_DECL();
 
    friend class Aspose::Words::PageExtractor;
    friend class Aspose::Words::Layout::Core::SpanGenerator;
 
public:
 
    ASPOSE_WORDS_SHARED_API System::SharedPtr<Aspose::Words::Document> get_Document() const;
 
    ASPOSE_WORDS_SHARED_API void set_Document(System::SharedPtr<Aspose::Words::Document> value);
 
    ASPOSE_WORDS_SHARED_API LayoutCollector(System::SharedPtr<Aspose::Words::Document> doc);
 
    ASPOSE_WORDS_SHARED_API int32_t GetStartPageIndex(System::SharedPtr<Aspose::Words::Node> node);
 
    ASPOSE_WORDS_SHARED_API int32_t GetEndPageIndex(System::SharedPtr<Aspose::Words::Node> node);
 
    ASPOSE_WORDS_SHARED_API int32_t GetNumPagesSpanned(System::SharedPtr<Aspose::Words::Node> node);
 
    ASPOSE_WORDS_SHARED_API void Clear();
 
    ASPOSE_WORDS_SHARED_API System::SharedPtr<System::Object> GetEntity(System::SharedPtr<Aspose::Words::Node> node);
 
protected:
 
    System::SharedPtr<Aspose::Words::Layout::Core::Part> GetPart(System::SharedPtr<Aspose::Words::Node> node);
    void Collect(System::SharedPtr<Aspose::Words::Node> node, System::SharedPtr<Aspose::Words::Layout::Core::Span> span);
    System::SharedPtr<Aspose::Words::Layout::Core::Part> GetPartOfNode(System::SharedPtr<Aspose::Words::Node> node);
    System::SharedPtr<System::Collections::Generic::List<int32_t>> GetOffsets(System::SharedPtr<Aspose::Words::Node> node);
 
    virtual ASPOSE_WORDS_SHARED_API ~LayoutCollector();
 
private:
 
    System::WeakPtr<Aspose::Words::Document> mDocument;
    System::SharedPtr<System::Collections::Generic::Dictionary<System::SharedPtr<Aspose::Words::Node>, System::SharedPtr<Aspose::Words::Layout::Core::Span>>> mNodeToPart;
    System::SharedPtr<Aspose::Collections::ObjToIntDictionary<System::SharedPtr<Aspose::Words::Node>>> mNodeToPageIndexes;
    System::SharedPtr<System::Collections::Generic::Dictionary<System::SharedPtr<Aspose::Words::Node>, System::SharedPtr<System::Collections::Generic::List<int32_t>>>> mNodeToOffset;
 
    static void DetachDocumentAndCollector(System::SharedPtr<Aspose::Words::Document> doc);
    void EnsureNodeToPageIndexesBuilt();
    void BuildParaIndex();
    System::SharedPtr<Aspose::Collections::ObjToIntDictionary<System::SharedPtr<Aspose::Words::Node>>> BuildRunAndInlineIndex_ProcessSinglePageParagraphs();
    void BuildRunAndInlineIndex_ProcessSplitParagraphs(System::SharedPtr<Aspose::Collections::ObjToIntDictionary<System::SharedPtr<Aspose::Words::Node>>> splitParas);
    void BuildRunAndInlineIndex();
    int32_t BuildOtherIndex(System::SharedPtr<Aspose::Words::Node> node);
    static int32_t GetFirstPageIndex(int32_t firstLastPage);
    static int32_t GetLastPageIndex(int32_t firstLastPage);
 
};
 
}
}
}