103 lines
2.2 KiB
Ruby
103 lines
2.2 KiB
Ruby
require 'ostruct'
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require 'optparse'
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require_relative './custom_env'
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require_relative './simple_env'
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module Xgrep
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class Commander
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attr_accessor :options
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def initialize (argv)
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@options = OpenStruct.new
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options.debug = false
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options.git_grep = %w{-E}
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options.pathspec = []
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options.environment = default_environment
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@option_parser = OptionParser.new do |op|
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op.banner = "Usage: xgrep options term(s)"
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op.on('-d','--[no-]debug') do |argument|
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options.debug = argument
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end
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op.on('-f','--file') do |argument|
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options.git_grep << "-L"
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end
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op.on('-i','--invert') do |argument|
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options.git_grep << '-v'
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end
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op.on_tail('-h','--help') do |argument|
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puts op
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exit
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end
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end
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@option_parser.parse!(argv)
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options.terms = argv # must be after parse!
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end
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def valid?
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options.terms.size > 0
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end
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def help
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puts @option_parser
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exit
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end
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def execute
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env = options.environment
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env.update_pathspec(options.pathspec)
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ands = []
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ors = []
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nots = []
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current_op = ands
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options.terms.each do |x|
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case x
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when 'and' then current_op = ands
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when 'or' then current_op = ors
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when 'not' then current_op = nots
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when /^-+(and|or|not)$/i then current_op << $1
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else current_op << x
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end
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end
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ands = ands.map { |x| "-e \"#{x}\"" }
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ors = ors.map { |x| "-e \"#{x}\"" }
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nots = nots.map { |x| "-e \"#{x}\"" }
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ands << "\\( #{ors.join(' --or ')} \\)" unless ors.empty?
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ands << "--not \\( #{nots.join(' --or ')} \\)" unless nots.empty?
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command = "git grep #{options.git_grep.join(' ')} #{ands.join(' --and ')} -- #{env.pathspec.sort.join(' ')}"
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puts
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if options.debug
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puts command
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else
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system command
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end
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puts
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end
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private
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def default_environment
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if File.exist?('./.xgrep')
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Xgrep::CustomEnv.new
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else
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Xgrep::SimpleEnv.new
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end
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end
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end
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end
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