def find_tables(self, table_settings={}):
        return TableFinder(self, table_settings).tables

    def extract_tables(self, table_settings={}):
        tables = self.find_tables(table_settings)
        return [ table.extract() for table in tables ]

    def extract_table(self, table_settings={}):
        tables = self.find_tables(table_settings)
        # Return the largest table, as measured by number of cells.
        sorter = lambda x: (-len(x.cells), x.bbox[1], x.bbox[0])
        largest = list(sorted(tables, key=sorter))[0]
        return largest.extract()
      
    def extract_text(self,
        x_tolerance=utils.DEFAULT_X_TOLERANCE,
        y_tolerance=utils.DEFAULT_Y_TOLERANCE):

        return utils.extract_text(self.chars,
            x_tolerance=x_tolerance,
            y_tolerance=y_tolerance)

    def extract_words(self,
        x_tolerance=utils.DEFAULT_X_TOLERANCE,
        y_tolerance=utils.DEFAULT_Y_TOLERANCE,
        keep_blank_chars=False):

        return utils.extract_words(self.chars,
            x_tolerance=x_tolerance,
            y_tolerance=y_tolerance,
            keep_blank_chars=keep_blank_chars)