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Code Releases Wiki Activity

made CLI option parsing more modular

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This commit is contained in:
Javi Fontan 2010-07-26 15:00:25 +02:00
parent 63ae9d1eea
commit fb58d090d0
1 changed files with 66 additions and 38 deletions
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104
src/cli/command_parse.rb
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@ -35,53 +35,25 @@ OpenNebula 1.5.0
Copyright 2002-2010, OpenNebula Project Leads (OpenNebula.org)
EOT
def initialize
def initialize(standard_options=nil)
@options=Hash.new
if standard_options
@standard_options=standard_options
else
@standard_options=[:list, :top, :xml]
end
@cmdparse=OptionParser.new do |opts|
opts.banner=text_banner
opts.on("-l x,y,z", "--list x,y,z", Array,
"Selects columns to display with list", "command") do |o|
@options[:list]=o.collect {|c| c.to_sym }
end
execute_standard_options(opts, @options)
special_options(opts, @options)
opts.on("--list-columns", "Information about the columns available",
"to display, order or filter") do |o|
puts list_options
exit
end
opts.on("-o x,y,z", "--order x,y,z", Array,
"Order by these columns, column starting",
"with - means decreasing order") do |o|
@options[:order]=o
end
opts.on("-f x,y,z", "--filter x,y,z", Array,
"Filter data. An array is specified", "with column=value pairs.") do |o|
@options[:filter]=Hash.new
o.each {|i|
k,v=i.split('=')
@options[:filter][k]=v
}
end
opts.on("-d seconds", "--delay seconds", Integer,
"Sets the delay in seconds for top", "command") do |o|
@options[:delay]=o
end
opts.on("-v", "--verbose",
opts.on("-v", "--verbose",
"Tells more information if the command",
"is successful") do |o|
@options[:verbose]=true
end
opts.on("-x", "--xml",
"Returns xml instead of human readable text") do |o|
@options[:xml]=true
end
opts.on_tail("-h", "--help", "Shows this help message") do |o|
print_help
@ -105,6 +77,62 @@ EOT
end
end
def opts_list(opts, options)
opts.on("-l x,y,z", "--list x,y,z", Array,
"Selects columns to display with list", "command") do |o|
options[:list]=o.collect {|c| c.to_sym }
end
opts.on("--list-columns", "Information about the columns available",
"to display, order or filter") do |o|
puts list_options
exit
end
opts.on("-o x,y,z", "--order x,y,z", Array,
"Order by these columns, column starting",
"with - means decreasing order") do |o|
options[:order]=o
end
opts.on("-f x,y,z", "--filter x,y,z", Array,
"Filter data. An array is specified", "with column=value pairs.") do |o|
options[:filter]=Hash.new
o.each {|i|
k,v=i.split('=')
options[:filter][k]=v
}
end
end
def opts_top(opts, options)
opts.on("-d seconds", "--delay seconds", Integer,
"Sets the delay in seconds for top", "command") do |o|
options[:delay]=o
end
end
def opts_xml(opts, options)
opts.on("-x", "--xml",
"Returns xml instead of human readable text") do |o|
options[:xml]=true
end
end
def set_standard_options(options)
@standard_options=options
end
def execute_standard_options(opts, options)
@standard_options.each do |op|
sym="opts_#{op}".to_sym
self.send(sym, opts, options) if self.respond_to?(sym)
end
end
def special_options(opts, options)
end
def options
@options
end