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ruby--ruby/lib/optparse/version.rb
matz 85bae86cb6 * lib/optparse/version.rb: remove variable shadowing to stop
warning.   [ruby-core:20612]

* lib/irb/completion.rb, lib/net/imap.rb, lib/prime.rb,
  lib/rinda/ring.rb, lib/racc/parser.rb,
  lib/shell/command-processor.rb, lib/yaml/yamlnode.rb: ditto.

* lib/racc/parser.rb: remove space before parentheses.

* lib/shell/command-processor.rb, lib/shell/process-controller.rb:
  use parentheses around arguments.

* lib/irb/ext/change-ws.rb, lib/rexml/validation/relaxng.rb,
  lib/yaml/baseemitter.rb: indentation fix.

* lib/matrix.rb: small cosmetic change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20859 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-12-18 07:54:50 +00:00

70 lines
2 KiB
Ruby

# OptionParser internal utility
class << OptionParser
def show_version(*pkgs)
progname = ARGV.options.program_name
result = false
show = proc do |klass, cname, version|
str = "#{progname}"
unless klass == ::Object and cname == :VERSION
version = version.join(".") if Array === version
str << ": #{klass}" unless klass == Object
str << " version #{version}"
end
[:Release, :RELEASE].find do |rel|
if klass.const_defined?(rel)
str << " (#{klass.const_get(rel)})"
end
end
puts str
result = true
end
if pkgs.size == 1 and pkgs[0] == "all"
self.search_const(::Object, /\AV(?:ERSION|ersion)\z/) do |klass, cname, version|
unless cname[1] == ?e and klass.const_defined?(:Version)
show.call(klass, cname.intern, version)
end
end
else
pkgs.each do |pkg|
begin
pkg = pkg.split(/::|\//).inject(::Object) {|m, c| m.const_get(c)}
v = case
when pkg.const_defined?(:Version)
pkg.const_get(n = :Version)
when pkg.const_defined?(:VERSION)
pkg.const_get(n = :VERSION)
else
n = nil
"unknown"
end
show.call(pkg, n, v)
rescue NameError
end
end
end
result
end
def each_const(path, base = ::Object)
path.split(/::|\//).inject(base) do |klass, name|
raise NameError, path unless Module === klass
klass.constants.grep(/#{name}/i) do |c|
klass.const_defined?(c) or next
c = klass.const_get(c)
end
end
end
def search_const(klass, name)
klasses = [klass]
while klass = klasses.shift
klass.constants.each do |cname|
klass.const_defined?(cname) or next
const = klass.const_get(cname)
yield klass, cname, const if name === cname
klasses << const if Module === const and const != ::Object
end
end
end
end