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Versions: 5
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Contents
module Alf
module Shell
class Show < Shell::Command()
options do |opt|
@renderer_class = nil
Renderer.each_renderer do |name,descr,clazz|
opt.on("--#{name}", "Render output #{descr}"){
@renderer_class = clazz
}
end
@pretty = nil
opt.on("--[no-]pretty",
"Enable/disable pretty print best effort") do |val|
@pretty = val
end
@ff = nil
opt.on("--ff=FORMAT",
"Specify the floating point format") do |val|
@ff = val
end
end
def run(argv, requester)
# set requester and parse options
@requester = requester
argv = parse_options(argv, :split)
# Set options on the requester
requester.pretty = @pretty unless @pretty.nil?
requester.rendering_options[:float_format] = @ff unless @ff.nil?
requester.renderer_class = (@renderer_class ||
requester.renderer_class ||
Text::Renderer)
# normalize args
args = argv.first
args = [ stdin_reader ] if args.empty?
chain = Iterator.coerce(args.first, requester && requester.environment)
# put a sorter
if argv[1]
chain = Alf::Operator::NonRelational::Sort.new([chain], argv[1])
end
chain
end
private
def stdin_reader
if requester && requester.respond_to?(:stdin_reader)
requester.stdin_reader
else
Reader.coerce($stdin)
end
end
end # class Show
end # module Shell
end # module Alf
Version data entries
5 entries across 5 versions & 1 rubygems