Extract Data from Tables in PDF using C++ | https://blog.aspose.com/2021/07/14/extract-data-from-tables-in-pdf-files-using-cpp/

01_Extract_Data_from_Tables_in_PDF_using_CPP

Read the complete article about extracting data from tables in PDF files using C++ by visiting the following link.
https://blog.aspose.com/2021/07/14/extract-data-from-tables-in-pdf-files-using-cpp/

Extract_Text_From_PDF_Table.cpp

// Load the PDF document
auto pdfDocument = MakeObject<Document>(u"SourceDirectory\\PDF\\Table_input3.pdf");

// Iterate through the pages of the document
for (auto page : pdfDocument->get_Pages())
{
	// Create an instance of the TableAbsorber class
	auto absorber = MakeObject<TableAbsorber>();
	absorber->Visit(page);

	// Iterate through the tables
	for (auto table : absorber->get_TableList())
	{
		Console::WriteLine(u"Table");

		// Iterate through the rows
		for (auto row : table->get_RowList())
		{
			// Iterate throught the cells
			for (auto cell : row->get_CellList())
			{
				// Iterate throught the text fragments
				for (auto fragment : cell->get_TextFragments())
				{
					String string = u"";

					// Iterate through the text segments
					for (auto seg : fragment->get_Segments())
					{
						// Get the text
						string = String::Concat(string, seg->get_Text());
					}

					// Print the text
					Console::WriteLine(string);
				}
			}
			Console::WriteLine();
		}
	}
}

Extract_Text_From_PDF_Table_Specific_Area.cpp

// Load the PDF document
auto pdfDocument = MakeObject<Document>(u"SourceDirectory\\PDF\\Table_input4.pdf");

// Get the first page of the document
auto page = pdfDocument->get_Pages()->idx_get(1);

// Iterate through the annotations on the page
for (auto annotation : page->get_Annotations())
{
	// Check the annotation type
	if (annotation->get_AnnotationType() == Annotations::AnnotationType::Square)
	{
		System::SharedPtr<SquareAnnotation> squareAnnotation = DynamicCast<SquareAnnotation>(annotation);

		// Create an instance of the TableAbsorber class
		auto absorber = MakeObject<TableAbsorber>();
		absorber->Visit(page);

		// Iterate through the tables
		for (auto table : absorber->get_TableList())
		{
			// Check if the table is in the region
			if ((squareAnnotation->get_Rect()->get_LLX() < table->get_Rectangle()->get_LLX()) &&
				(squareAnnotation->get_Rect()->get_LLY() < table->get_Rectangle()->get_LLY()) &&
				(squareAnnotation->get_Rect()->get_URX() > table->get_Rectangle()->get_URX()) &&
				(squareAnnotation->get_Rect()->get_URY() > table->get_Rectangle()->get_URY())
				)
			{
				// Iterate through the rows
				for (auto row : table->get_RowList())
				{
					// Iterate throught the cells
					for (auto cell : row->get_CellList())
					{
						// Iterate throught the text fragments
						for (auto fragment : cell->get_TextFragments())
						{
							String string = u"";

							// Iterate through the text segments
							for (auto seg : fragment->get_Segments())
							{
								// Get the text
								string = String::Concat(string, seg->get_Text());
							}

							// Print the text
							Console::WriteLine(string);
						}
					}
					Console::WriteLine();
				}
			}
		}
		break;
	}
}