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Contents
module Tabula
module Extraction
warn 'Tabula::Extraction::SpreadsheetExtractor is DEPRECATED and will be removed. Use ObjectExtractor instead'
class SpreadsheetExtractor < ObjectExtractor
# yields each spreadsheet and the page it corresponds to
# because each page can contain an arbitrary number of spreadsheets, each page can be sent
# to the block an arbitrary number of times.
# so the extract.each_with_index trick will absolutely not work.
# TODO lots of repeated code with parent class
# REFACTOR
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
end
end
end
#new plan:
# find all the cells on the page (lines -> minimal rects)
# find all the spreadsheets from the cells (minimal rects -> maximal rects)
Version data entries
7 entries across 7 versions & 1 rubygems