Created
April 13, 2021 21:11
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Parse ruby .inspect string to be eval'd
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def deinspect(str, level=0) | |
str.gsub!(/:0x0[^ ]+/, '') | |
matches = str.match(/<([\w:]+) (.*)>/) | |
return str unless matches | |
head = matches[1] | |
body = matches[2] | |
hash_content = nil | |
body.gsub!(/\{.+?\}/) do |_| | |
hash_content = $~[0] | |
"" | |
end | |
level_ = level | |
prev = "" | |
body.gsub!(/<(?>[^><]+|\g<0>)*>/) do |_| | |
level_ += 1 | |
prev += deinspect($~[0], level_) | |
"x#{level_}" | |
end | |
args = [] | |
body.gsub("#", "").gsub(/(@?\w+)=([\w0-9]+|"[^"]*"|\{\})/i) do |_| | |
args << [ $~[1], $~[2] ] | |
end | |
args_new = [] | |
after = "" | |
args.each do |arg| | |
if arg[0].include? "@" | |
arg1 = arg[1] | |
if hash_content | |
arg1.gsub!(/\{\}/, hash_content) | |
end | |
after += "x#{level}.instance_eval { #{arg[0]} = #{arg1} }\n" | |
else | |
args_new << ["#{arg[0]}: #{arg[1]}"] | |
end | |
end | |
args_new = args_new.join ", " | |
if args.length == 0 | |
args_new = body.gsub("#", "") | |
end | |
if hash_content | |
args_new.gsub!(/\{\}/, hash_content) | |
end | |
func = "#{head}.new(#{args_new})" | |
if head == "URI::HTTPS" | |
func = "URI.parse(\"#{body}\")" | |
end | |
if head == "OAuth::Consumer" | |
func = "OAuth::Consumer.new('foo', 'bar')" | |
end | |
if head == "OAuth::AccessToken" | |
func = "OAuth::AccessToken.new('')" | |
end | |
if head == "Net::HTTPOK" | |
func = "nil" | |
end | |
"#{prev}x#{level} = #{func}\n#{after}" | |
end | |
print deinspect(str.split("\n").join("")) |
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