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Contents
require "clamp"
module Swa
module CLI
module DataOutput
extend Clamp::Option::Declaration
option "--format", "FORMAT", "format for data output",
:attribute_name => :output_format,
:environment_variable => "SWA_OUTPUT_FORMAT",
:default => "YAML"
option ["--json", "-J"], :flag, "output data in JSON format" do
self.output_format = "JSON"
end
option ["--yaml", "-Y"], :flag, "output data in YAML format" do
self.output_format = "YAML"
end
def output_format=(arg)
arg = arg.upcase
unless %w(JSON YAML).member?(arg)
raise ArgumentError, "unrecognised data format: #{arg.inspect}"
end
@output_format = arg
end
protected
def format_data(data)
case output_format
when "JSON"
MultiJson.dump(data, :pretty => true)
when "YAML"
YAML.dump(data)
else
raise "bad output format: #{output_format}"
end
end
def display_data(data, jmespath_expression = nil)
unless jmespath_expression.nil?
data = JMESPath.search(jmespath_expression, data)
end
puts format_data(data)
rescue JMESPath::Errors::SyntaxError => e
signal_error("invalid JMESPath expression")
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems