Class: Jsonpretty

Inherits:
Object
  • Object
show all
Defined in:
lib/jsonpretty.rb,
lib/jsonpretty/version.rb

Constant Summary collapse

VERSION = 
"1.2.0"

Instance Method Summary collapse

Instance Method Details

#clean_jsonp(input_string) ⇒ Object 



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# File 'lib/jsonpretty.rb', line 26

def clean_jsonp(input_string)
  match = input_string.match(/^(.+)\((.+)\)$/)
  if match
    puts "jsonp method name: #{match[1]}\n\n"
    match[2]
  else
    input_string
  end
end

#file_value(filename) ⇒ Object 



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# File 'lib/jsonpretty.rb', line 4

def file_value(filename)
  file = if filename == '-'
           $stdin
         else
           File.open(filename)
         end
  lines = file.readlines
  if lines.first =~ /^HTTP\/\d/ # looks like an HTTP response; we just want the body
    index = lines.index("\r\n") || lines.index("\n")
    puts lines[0..index]
    lines[(index+1)..-1].join('')
  else
    lines.join('')
  end
ensure
  file.close
end

#main ⇒ Object 



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# File 'lib/jsonpretty.rb', line 36

def main
  if ARGV.length == 0
    ARGV.unshift stdin_value
  else
    ARGV.each_with_index do |v,i|
      case v
      when /^--?h/
        puts("usage: #{File.basename($0)} [args|@filename|@- (stdin)]",
             "Parse and pretty-print JSON, either from stdin or from arguments concatenated together")
        exit 0
      when /^--?v/
        puts "jsonpretty version #{VERSION}"
        exit 0
      else
        if v == '-'
          ARGV[i] = stdin_value
        elsif v =~ /^@/
          ARGV[i] = file_value(v[1..-1])
        end
      end
    end
  end

  input = clean_jsonp(ARGV.join(' '))
  json = JSON.parse(input)
  puts JSON.pretty_generate(json)
rescue => e
  $stderr.puts "jsonpretty failed: #{e.message}"
  exit 1
end

#stdin_value ⇒ Object 



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# File 'lib/jsonpretty.rb', line 22

def stdin_value
  file_value('-')
end