98 lines
2.2 KiB
Ruby
98 lines
2.2 KiB
Ruby
require "open-uri"
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WORD_URL = "http://learncodethehardway.org/words.txt"
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WORDS = []
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PHRASES = {
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"class ### < ###\nend" =>
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"Make a class named ### that is-a ###.",
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"class ###\n\tdef initialize(@@@)\n\tend\nend" =>
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"class ### has-a initialize that takes @@@ parameters.",
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"class ###\n\tdef ***(@@@)\n\tend\nend" =>
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"class ### has-a function named *** that takes @@@ parameters.",
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"*** = ###.new()" =>
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"Set *** to an instance of class ###.",
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"***.***(@@@)" =>
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"From *** get the *** function, and call it with parameters @@@.",
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"***.*** = '***'" =>
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"From *** get the *** attribute and set it to '***'."
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}
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PHRASE_FIRST = ARGV[0] == "english"
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URI.open(WORD_URL) { |f|
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f.each_line do |word|
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WORDS.push(word.chomp)
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end
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}
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def craft_names(rand_words, snippet, pattern, caps = false)
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names = snippet.scan(pattern).map do
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word = rand_words.pop
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caps ? word.capitalize : word
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end
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names * 2
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end
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def craft_params(rand_words, snippet, pattern)
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names = (0...snippet.scan(pattern).length).map do
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param_count = rand(1..3)
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params = (0...param_count).map do |x|
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rand_words.pop
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end
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params.join(", ")
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end
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names * 2
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end
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def convert(snippet, phrase)
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rand_words = WORDS.sort_by { rand }
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class_names = craft_names(rand_words, snippet, /###/, caps = true)
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other_names = craft_names(rand_words, snippet, /\*\*\*/)
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param_names = craft_params(rand_words, snippet, /@@@/)
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results = []
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[snippet, phrase].each do |sentence|
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# fake class names, also copies sentence
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result = sentence.gsub("###") do |x|
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class_names.pop
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end
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# fake other names
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result.gsub!("***") do |x|
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other_names.pop
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end
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# fake parameter lists
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result.gsub!(/@@@/) do |x|
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param_names.pop
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end
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results.push(result)
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end
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results
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end
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# keep going until they hit CTRL-D
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loop do
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snippets = PHRASES.keys.sort_by { rand }
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snippets.each do |snippet|
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phrase = PHRASES[snippet]
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question, answer = convert(snippet, phrase)
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if PHRASE_FIRST
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question, answer = answer, question
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end
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print question, "\n\n> "
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exit(0) unless $stdin.gets
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puts "\nANSWER: %s\n\n" % answer
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end
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end
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