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module CmdparsePlugins
class ExtractTag < Tags::DefaultTag
summary "Extracts lines from a file"
depends_on 'Tags'
add_param 'file', nil, 'the file from which to read the lines'
add_param 'lines', nil, 'the lines which should be read (Range)'
set_mandatory 'file'
set_mandatory 'lines'
def initialize
super
@processOutput = false
register_tag( 'extract' )
end
def process_tag( tag, node, refNode )
data = File.readlines( get_param( 'file' ) ).unshift( 'empty null line' )[get_param( 'lines' )]
out = '<table class="cmdparse-example"><tr>'
out << '<td><pre>' << get_param( 'lines' ).collect {|n| "#{n}<br />" }.to_s << '</pre></td>'
out << '<td><pre>' << data.collect {|line| "#{CGI::escapeHTML(line)}" }.to_s << '</pre></td>'
out << '</tr></table>'
out
end
end
end
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