24 lines
551 B
Ruby
24 lines
551 B
Ruby
#!/usr/bin/env ruby
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# coding: utf-8
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# List all callbacks generated by each page
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#
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# WARNING: this will generate a *lot* of output, so you probably want to pipe
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# it through less or to a text file.
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require 'rubygems'
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require 'pdf/reader'
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filename = File.expand_path(File.dirname(__FILE__)) + "/../spec/data/cairo-basic.pdf"
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PDF::Reader.open(filename) do |reader|
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reader.pages.each do |page|
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receiver = PDF::Reader::RegisterReceiver.new
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page.walk(receiver)
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receiver.callbacks.each do |cb|
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puts cb
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end
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end
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end
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