68 lines
1.2 KiB
Ruby
Executable File
68 lines
1.2 KiB
Ruby
Executable File
#!/usr/bin/ruby
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require 'thread'
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class Box
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attr_reader :_, :emited
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alias db emited
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alias persistent emited
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attr_accessor :emited
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def initialize db, _
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@_, @emited = _, db
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end
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def emit k, v
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@emited[k] = v
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end
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def do code
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instance_eval code, self.class.to_s, 0
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end
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end
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require 'sbdb'
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class Persistent
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include Enumerable
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def initialize( db) @db, @cursor = db, db.cursor end
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def emit( k, v) @db[k] = v end
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alias push emit
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alias put emit
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alias []= emit
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def get( k) @db[k] end
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alias [] get
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alias fetch get
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def inspect() "#<%s:0x%016x>" % [ self.class, self.object_id ] end
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def each &e
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e ? @cursor.each( &e) : Enumerator.new( self, :each)
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end
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def to_hash
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h = {}
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each {|k, v| h[ k] = v }
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h
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end
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end
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#Persistent.freeze
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r = nil
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Dir.mkdir 'logs' rescue Errno::EEXIST
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SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
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db = Persistent.new logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
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$stdout.print "(0)$ "
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STDIN.each_with_index do |l, i|
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r = Thread.new do
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l.untaint
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$SAFE = 4
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b = Box.new db, r
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begin
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b.do( l)
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rescue Object
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$!
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end
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end.value
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$stdout.print "=> #{r.inspect}\n(#{i+1})$ "
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end
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end
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