1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
#!/usr/bin/env ruby
# coding: utf-8
# List all callbacks generated by each page
#
# WARNING: this will generate a *lot* of output, so you probably want to pipe
# it through less or to a text file.
require 'pdf/reader'
receiver = PDF::Reader::RegisterReceiver.new
filename = File.expand_path(File.dirname(__FILE__)) + "/../spec/data/cairo-basic.pdf"
PDF::Reader.open(filename) do |reader|
reader.pages.each do |page|
page.walk(receiver)
receiver.callbacks.each do |cb|
puts cb
end
end
end
|
