Add json output option

[pedrorijo91]

closes #56

Please let me know if there's something you don't totally agree.

Example output for Rakefile with command ruby "#{Hoe::RUBY_FLAGS} bin/flay -d -f lib/*.rb"

{"total":114,"clones":[{"prefix":"1","match":"Similar","mass":42,"name":"block","files":[{"filename":"lib/flay.rb","line":550,"contents":["msg = \"sexp_to_#{File.extname(node.file).sub(/./, \"\")}\"\nself.respond_to?(msg) ? (self.send(msg, node)) : (sexp_to_rb(node))\n"]},{"filename":"lib/flay.rb","line":609,"contents":["msg = \"sexp_to_#{File.extname(s.file).sub(/./, \"\")}\"\nself.respond_to?(msg) ? (self.send(msg, s)) : (sexp_to_rb(s))\n"]}]},{"prefix":"2","match":"Similar","mass":36,"name":"iter","files":[{"filename":"lib/flay.rb","line":76,"contents":["opts.on(\"-m\", \"--mass MASS\", Integer, \"Sets mass threshold (default = #{options[:mass]})\") do |m|\n  options[:mass] = m.to_i\nend"]},{"filename":"lib/flay.rb","line":101,"contents":["opts.on(\"-t\", \"--timeout TIME\", Integer, \"Set the timeout. (default = #{options[:timeout]})\") do |t|\n  options[:timeout] = t.to_i\nend"]}]},{"prefix":"3","match":"Similar","mass":36,"name":"defn","files":[{"filename":"lib/flay_erb.rb","line":28,"contents":["def add_expr_literal(src, code)\n  if code.=~(BLOCK_EXPR) then\n    ((src << \"@output_buffer.append= \") << code)\n  else\n    (((src << \"@output_buffer.append=(\") << code) << \");\")\n  end\nend"]},{"filename":"lib/flay_erb.rb","line":36,"contents":["def add_expr_escaped(src, code)\n  if code.=~(BLOCK_EXPR) then\n    ((src << \"@output_buffer.safe_append= \") << code)\n  else\n    (((src << \"@output_buffer.safe_append=(\") << code) << \");\")\n  end\nend"]}]}]}

or, after formatted:

{
  "total": 114,
  "clones": [
    {
      "prefix": "1",
      "match": "Similar",
      "mass": 42,
      "name": "block",
      "files": [
        {
          "filename": "lib/flay.rb",
          "line": 550,
          "contents": [
            "msg = \"sexp_to_#{File.extname(node.file).sub(/./, \"\")}\"\nself.respond_to?(msg) ? (self.send(msg, node)) : (sexp_to_rb(node))\n"
          ]
        },
        {
          "filename": "lib/flay.rb",
          "line": 609,
          "contents": [
            "msg = \"sexp_to_#{File.extname(s.file).sub(/./, \"\")}\"\nself.respond_to?(msg) ? (self.send(msg, s)) : (sexp_to_rb(s))\n"
          ]
        }
      ]
    },
    {
      "prefix": "2",
      "match": "Similar",
      "mass": 36,
      "name": "iter",
      "files": [
        {
          "filename": "lib/flay.rb",
          "line": 76,
          "contents": [
            "opts.on(\"-m\", \"--mass MASS\", Integer, \"Sets mass threshold (default = #{options[:mass]})\") do |m|\n  options[:mass] = m.to_i\nend"
          ]
        },
        {
          "filename": "lib/flay.rb",
          "line": 101,
          "contents": [
            "opts.on(\"-t\", \"--timeout TIME\", Integer, \"Set the timeout. (default = #{options[:timeout]})\") do |t|\n  options[:timeout] = t.to_i\nend"
          ]
        }
      ]
    },
    {
      "prefix": "3",
      "match": "Similar",
      "mass": 36,
      "name": "defn",
      "files": [
        {
          "filename": "lib/flay_erb.rb",
          "line": 28,
          "contents": [
            "def add_expr_literal(src, code)\n  if code.=~(BLOCK_EXPR) then\n    ((src << \"@output_buffer.append= \") << code)\n  else\n    (((src << \"@output_buffer.append=(\") << code) << \");\")\n  end\nend"
          ]
        },
        {
          "filename": "lib/flay_erb.rb",
          "line": 36,
          "contents": [
            "def add_expr_escaped(src, code)\n  if code.=~(BLOCK_EXPR) then\n    ((src << \"@output_buffer.safe_append= \") << code)\n  else\n    (((src << \"@output_buffer.safe_append=(\") << code) << \");\")\n  end\nend"
          ]
        }
      ]
    }
  ]
}

[zenspider]

Don't reformat my code please.

[pedrorijo91]

you are totally right, didn't notice. Going to fix

[pedrorijo91]

Hi,

Is there anything you wish me to change? Or is anything else blocking this PR?

[pedrorijo91]

@zenspider