Class: Tabula::Extraction::SpreadsheetExtractor

Inherits:
ObjectExtractor show all
Defined in:
lib/tabula/spreadsheet_extractor.rb

Constant Summary

Constants inherited from ObjectExtractor

ObjectExtractor::DEFAULT_OPTIONS, ObjectExtractor::PRINTABLE_RE

Instance Attribute Summary

Attributes inherited from ObjectExtractor

#characters, #clipping_paths, #debug_clipping_paths, #debug_text, #options

Instance Method Summary collapse

Methods inherited from ObjectExtractor

#clear!, #close!, #currentClippingPath, #drawImage, #drawPage, #ensurePageSize!, #ensure_open!, #extract_page, #fillPath, #getStroke, #initialize, #pageTransform, #page_count, #processTextPosition, #rulings, #setStroke, #strokePath, #transformPath

Constructor Details

This class inherits a constructor from Tabula::Extraction::ObjectExtractor

Instance Method Details

#extract(options = {}) ⇒ Object

TODO lots of repeated code with parent class REFACTOR



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# File 'lib/tabula/spreadsheet_extractor.rb', line 15

def extract(options={})
  Enumerator.new do |y|
    begin
      @pages.each do |i|
        pdfbox_page = @all_pages.get(i-1) #TODO: this can error out ungracefully if you try to extract a page that doesn't exist (e.g. page 5 of a 4 page doc). we should catch and handle.
        contents = pdfbox_page.getContents
        next if contents.nil?
        self.clear!
        self.drawPage pdfbox_page

        page = Tabula::Page.new( @pdf_filename,
                                 pdfbox_page.findCropBox.width,
                                 pdfbox_page.findCropBox.height,
                                 pdfbox_page.getRotation.to_i,
                                 i, #one-indexed, just like `i` is.
                                 self.characters,
                                 self.rulings)

        page.spreadsheets(options).each do |spreadsheet|
          spreadsheet.cells.each do |cell|
            cell.text_elements = page.get_cell_text(cell)
          end
          y.yield page, spreadsheet
        end
      end
    ensure
      @pdf_file.close
    end # begin
  end
end