Class: Mfd::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/mfd/cli.rb

Constant Summary collapse

NOW = 
Time.now

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/mfd/cli.rb', line 9

def initialize
  @predicates = ['(true)']
  @print_command = false
  @ascii_null = false
  @live = false
  @count = false

  @opt = OptionParser.new
  declare_options!
end

Instance Method Details

#calculate_size(size_str) ⇒ Object 



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# File 'lib/mfd/cli.rb', line 242

def calculate_size(size_str)
  case size_str
  when /(\d+)t$/i
    Regexp.last_match(1).to_i * 1024**4
  when /(\d+)g$/i
    Regexp.last_match(1).to_i * 1024**3
  when /(\d+)m$/i
    Regexp.last_match(1).to_i * 1024**2
  when /(\d+)k$/i
    Regexp.last_match(1).to_i * 1024
  else
    Regexp.last_match(1).to_i
  end
end

#calculate_time(time_str) ⇒ Object 



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# File 'lib/mfd/cli.rb', line 257

def calculate_time(time_str)
  datum = Time.gm 2001

  case time_str
  when /^(\d+)S$/
    NOW - datum - Regexp.last_match(1).to_i
  when /^(\d+)M$/
    NOW - datum - Regexp.last_match(1).to_i * 60
  when /^(\d+)H$/
    NOW - datum - Regexp.last_match(1).to_i * 3600
  when /^(\d+)d$/
    NOW - datum - Regexp.last_match(1).to_i * 86_400
  when /^(\d+)m$/
    NOW - datum - Regexp.last_match(1).to_i * 2_592_000
  when /^(\d+)Y$/
    NOW - datum - Regexp.last_match(1).to_i * 946_080_000
  else
    ymd = time_str.split(/\D+/)
    Time.local(*ymd) - datum
  end
end

#declare_options! ⇒ Object 



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# File 'lib/mfd/cli.rb', line 49

def declare_options!
  @opt.banner = "  mdfind4 - a better mdfind built upon mdfind3\n\n  Spotlight \u662F OS X \u4E0A\u975E\u5E38\u597D\u7528\u7684\u4E00\u4E2A\u684C\u9762\u641C\u7D22\u5DE5\u5177\uFF0Cmdfind \u662FSpotlight \u7684 CLI frontend\uFF0C\n  \u867D\u7136 mdfind \u7684\u529F\u80FD\u8DB3\u591F\u5F3A\u5927\uFF0C\u4F46\u662F\u754C\u9762\u975E\u5E38\u4E0D\u53CB\u597D\uFF0C\u4F8B\u5982\uFF0C\u8981\u641C\u7D22\u7535\u8111\u4E2D2013\u5E74\u7684\u6587\u4EF6\u5927\u5C0F\u5927\u4E8E 1MB\n  \u7684jpg\u56FE\u50CF\u6587\u4EF6\uFF0C\u9700\u8981\u4E00\u4E2A\u975E\u5E38\u590D\u6742\u7684\u547D\u4EE4\u3002mdfind4 \u5BF9mdfind\u8FDB\u884C\u5C01\u88C5\uFF0C\u63D0\u4F9B\u6BD4\u8F83\u6613\u7528\u7684\u754C\u9762\n\n  mdfind3: https://gist.github.com/4086771\n\n  usage: mdfind4 [options] [search dir]\n\n    \u901A\u8FC7\u6307\u5B9A\u82E5\u5E72\u9009\u9879\u6765\u641C\u7D22\u6587\u4EF6\u7CFB\u7EDF\u4E2D\u88AB Spotlight \u7D22\u5F15\u7684\u6587\u4EF6\uFF0C\u6BCF\u4E2A\u9009\u9879\u4E4B\u95F4\u662F\u903B\u8F91\u4E0E\u7684\u5173\u7CFB. \u9ED8\u8BA4\u5C06\n    \u641C\u7D22\u6587\u4EF6\u7CFB\u7EDF\u4E2D\u6240\u6709\u7684\u88AB\u7D22\u5F15\u6587\u4EF6\uFF0C\u53EF\u4EE5\u901A\u8FC7\u6700\u540E\u4E00\u4E2A\u53C2\u6570\u6765\u7EA6\u675F\u5176\u53EA\u5728\u67D0\u4E2A\u76EE\u5F55\u4E2D\u8FDB\u884C\u641C\u7D22.\n\n    % mdfind4 --content-type com.omnigroup.omnigraffle.graffle --from 2011/11/1 -t '2013-01-01 14:30:24'\n    % mdfind4 --query '\u5173\u952E\u5B57' --content-type 'com.adobe.pdf'\n    % mdfind4 -e mp3 -b10M\n\n  options:\n\n    \u4EE5\u4E0B\u9009\u9879\u5747\u652F\u6301\u4EE5\u4E00\u4E2A \"@\" \u7B26\u53F7\u5F00\u5934, \u540E\u8DDF\u4E00\u4E2A\u6587\u4EF6\u540D\uFF0C\u8868\u793A\u6B64\u9009\u9879\u7684\u503C\u5C06\u4ECE\u7ED9\u5B9A\u7684\u6587\u4EF6\u4E2D\u63D0\u53D6:\n\n      \u2022 -f, --from\n      \u2022 -t, --to\n      \u2022 -F, --from-create\n      \u2022 -T, --to-create\n      \u2022 -c, --content-type\n      \u2022 -k, --kind\n      \u2022 -b, --biggerthan\n      \u2022 -s, --smallerthan\n\n  BANNER\n\n  @opt.on('-f from', '--from from', \"e.g. --from 2010/1/1\n    \#{' ' * 35}\u641C\u7D22\\\"\u6587\u4EF6\u6700\u540E\u4FEE\u6539\u65F6\u95F4\\\"\u7B49\u4E8E\u6216\u665A\u4E8E\u6307\u5B9A\u65F6\u95F4\u7684\u6587\u4EF6\uFF0C\u65F6\u95F4\u683C\u5F0F\u4E3A\\\"YYYY-mm-dd HH:MM:SS\\\"\n    \#{' ' * 35}\u5176\u4E2D\u53EF\u4EE5\u4F7F\u7528\u4EFB\u610F\u975E\u6570\u5B57\u5B57\u7B26\u4F5C\u4E3A\u5206\u9694\u7B26\uFF0C\u4E5F\u53EF\u4EE5\u53EA\u6307\u5B9A\u65E5\u671F\u90E8\u5206\u3002\n    \#{' ' * 35}\u53E6\u5916, -f \u9009\u9879\u8FD8\u652F\u6301\u6307\u5B9A\u4E00\u4E2A\u6570\u5B57\u540E\u8DDF\u4E00\u4E2A\u5B57\u6BCD\u7684\u5F62\u5F0F\u6765\u6307\u5B9A\u65F6\u95F4,\n    \#{' ' * 35}\u652F\u6301\u7684\u5B57\u7B26\u5305\u62EC: S, M, H, d, m, Y\uFF0C\u5206\u522B\u8868\u793A: \u79D2, \u5206, \u65F6,\n    \#{' ' * 35}\u5929, \u6708, \u5E74, \u5176\u4E2D\u4E00\u4E2A\u6708\u7B49\u4E8E 30 \u5929, \u4E00\u5E74\u7B49\u4E8E 365 \u5929.\n    \#{' ' * 35}\u4F8B\u5982, \u641C\u7D22\u6700\u8FD1 10 \u5929\u7684\u6587\u4EF6: -f 10d\n    \") do |from|\n    @predicates << 'kMDItemFSContentChangeDate >= %i' % (from.start_with?('@') ?\n      prop_value_from_file(from, 'kMDItemFSContentChangeDate') : calculate_time(from))\n  end\n\n  @opt.on('-t to', '--to to', \"\u641C\u7D22\\\"\u6587\u4EF6\u6700\u540E\u4FEE\u6539\u65F6\u95F4\\\"\u7B49\u4E8E\u6216\u65E9\u4E8E\u6307\u5B9A\u65F6\u95F4\u7684\u6587\u4EF6, \u683C\u5F0F\u540C\\\"-f\\\"\u9009\u9879\n    \") do |to|\n    @predicates << 'kMDItemFSContentChangeDate <= %i' % (to.start_with?('@') ?\n      prop_value_from_file(to, 'kMDItemFSContentChangeDate') : calculate_time(to))\n  end\n\n  @opt.on('-F from', '--from-create from', \"\u641C\u7D22\\\"\u6587\u4EF6\u521B\u5EFA\u65F6\u95F4\\\"\u7B49\u4E8E\u6216\u665A\u4E8E\u6307\u5B9A\u65F6\u95F4\u7684\u6587\u4EF6, \u683C\u5F0F\u540C\\\"-f\\\"\u9009\u9879\n    \") do |from|\n    @predicates << 'kMDItemFSCreationDate >= %i' % (from.start_with?('@') ?\n      prop_value_from_file(from, 'kMDItemFSCreationDate') : calculate_time(from))\n  end\n\n  @opt.on('-T to', '--to-create to', \"\u641C\u7D22\\\"\u6587\u4EF6\u521B\u5EFA\u65F6\u95F4\\\"\u7B49\u4E8E\u6216\u65E9\u4E8E\u6307\u5B9A\u65F6\u95F4\u7684\u6587\u4EF6, \u683C\u5F0F\u540C\\\"-f\\\"\u9009\u9879\n    \") do |to|\n    @predicates << 'kMDItemFSCreationDate <= %i' % (to.start_with?('@') ?\n      prop_value_from_file(to, 'kMDItemFSCreationDate') : calculate_time(to))\n  end\n\n  @opt.on('-q query', '--query query', 'e.g. --query \"\u5173\u952E\u5B57\"\n    ') do |query|\n    @predicates << 'kMDItemTextContent == \"%s\"cdw' % escape(query)\n  end\n\n  @opt.on('-c contenttype', '--content-type contenttype', \"e.g. --contenttype com.omnigroup.omnigraffle.graffle\n    \#{' ' * 35}\u641C\u7D22 \\\"kMDItemContentType\\\" \u5C5E\u6027\u7B49\u4E8E\u6307\u5B9A\u503C\u7684\u6587\u4EF6\uFF0C\u53EF\u4EE5\u4E0D\n    \#{' ' * 35}\u6307\u5B9A\u5B8C\u6574\u7684 Content Type\uFF0C\u4F8B\u5982 Ruby \u811A\u672C\u7684 Content Type\n    \#{' ' * 35}\u4E3A \\\"public.ruby-script\\\"\uFF0C\u4F46\u662F\u53EF\u4EE5\u4F7F\u7528\u4E0B\u9762\u7684\u547D\u4EE4\u6240\u6709\u6240\u6709\n    \#{' ' * 35}Ruby \u811A\u672C\u6587\u4EF6\uFF1Amdfind4 -c ruby\n    \") do |contenttype|\n    @predicates << 'kMDItemContentType == \"%s\"cdw' % (contenttype.start_with?('@') ?\n      prop_value_from_file(contenttype, 'kMDItemContentType') : escape(contenttype))\n  end\n\n  @opt.on('-e file-ext-name', '--type file-ext-name', \".e.g  -e 'mp3'\n    \#{' ' * 35}\u641C\u7D22\u6587\u4EF6\u6269\u5C55\u540D\u7B49\u4E8E\u6307\u5B9A\u503C\u7684\u6587\u4EF6\n    \") do |type|\n    if Mfd::Asset::KIND_MAP[type]\n      @predicates << '(kMDItemFSName == \"*.%s\" || kMDItemKind == \"%s\"cdw)' % [type, escape(Mfd::Asset::KIND_MAP[type])]\n    else\n      @predicates << 'kMDItemFSName == \"*.%s\"' % type\n    end\n  end\n\n  @opt.on('-k kind', '--kind kind', \"e.g. --kind \\\"HTML Document\\\"\n    \#{' ' * 35}\\\"-k\\\"\u9009\u9879\u662F\u53E6\u5916\u4E00\u4E2A\u7528\u6765\u6307\u5B9A\u6587\u4EF6\u7C7B\u578B\u7684\u9009\u9879\uFF0C\u5B83\u4F7F\u7528\n    \#{' ' * 35}\\\"kMDItemKind\\\"\u5C5E\u6027\u6765\u641C\u7D22\u6587\u4EF6. \u4F8B\u5982, \u641C\u7D22\u90AE\u4EF6: \\\"-k \u90AE\u4EF6\u4FE1\u606F\\\"\n    \#{' ' * 35}\u641C\u7D22 Safari \u5386\u53F2\u8BB0\u5F55: \\\"-k 'Safari \u5386\u53F2\u8BB0\u5F55\u9879\u76EE'\\\"\n    \") do |kind|\n    @predicates << 'kMDItemKind == \"*%s*\"cdw' % (kind.start_with?('@') ?\n      prop_value_from_file(kind, 'kMDItemKind') : escape(kind))\n  end\n\n  @opt.on('-b size', '--bigger-than size', \"e.g. --bigger-than 100000\n    \#{' ' * 35}\u641C\u7D22\u6587\u4EF6\u5927\u5C0F\u5927\u4E8E\u6216\u7B49\u4E8E\u7ED9\u5B9A\u503C\u7684\u6587\u4EF6\uFF0C\u53EF\u4EE5\u4F7F\u7528 t, g, m, k \u7B49\u5355\u4F4D,\n    \#{' ' * 35}\u4F8B\u5982, \u641C\u7D22\u5927\u4E8E\u6216\u7B49\u4E8E 1MB \u5B57\u8282\u7684\u6587\u4EF6\uFF1A\\\"-b 1m\\\"\n    \") do |size|\n    @predicates << 'kMDItemFSSize >= %s' % (size.start_with?('@') ?\n      prop_value_from_file(size, 'kMDItemFSSize') : calculate_size(size).to_s)\n  end\n\n  @opt.on('-s sizes', '--smaller-than size', \"e.g. --smaller-than 100000\n    \#{' ' * 35}\u641C\u7D22\u6587\u4EF6\u5927\u5C0F\u5C0F\u4E8E\u6216\u7B49\u4E8E\u7ED9\u5B9A\u503C\u7684\u6587\u4EF6\uFF0C\u53EF\u4EE5\u4F7F\u7528 t, g, m, k \u7B49\u5355\u4F4D,\n    \#{' ' * 35}\u4F8B\u5982, \u641C\u7D22\u5C0F\u4E8E\u6216\u7B49\u4E8E 1GB \u5B57\u8282\u7684\u6587\u4EF6\uFF1A\\\"-b 1G\\\"\n    \") do |size|\n    @predicates << 'kMDItemFSSize <= %s' % (size.start_with?('@') ?\n      prop_value_from_file(size, 'kMDItemFSSize') : calculate_size(size).to_s)\n  end\n\n  @opt.on('', '--prop-eq arg_value', \"e.g. --prop-eq [email protected]\n    \#{' ' * 35}\u4E0D\u540C\u7C7B\u578B\u7684\u6587\u4EF6\u5404\u81EA\u90FD\u6709\u591A\u79CD\u591A\u6837\u7684\u5C5E\u6027\uFF0C\u672C\u7A0B\u5E8F\u652F\u6301\u7684\u5C5E\u6027\u6BD4\u8F83\u6709\u9650, \u82E5\u9700\u8981\n    \#{' ' * 35}\u6309\u7167\u5176\u4ED6\u5C5E\u6027\u6BD4\u8F83\uFF0C\u5219\u4F7F\u7528\u672C\u9009\u9879\u4EE5\u53CA\u4E0B\u9762\u4E09\u4E2A\u4EE5 \\\"--prop\\\"\n    \#{' ' * 35}\u6253\u5934\u7684\u9009\u9879\u3002\u53EF\u4EE5\u901A\u8FC7 OS X \u81EA\u5E26\u7684 \\\"mdls\\\" \u547D\u4EE4\u6765\u67E5\u770B\u6587\u4EF6\u7684\u5404\u79CD\u5C5E\u6027,\n    \#{' ' * 35}\u5C5E\u6027\u540D\u79F0\u4E00\u822C\u4EE5 \\\"kMDItem\\\" \u6253\u5934\uFF0C\u4F7F\u7528\u8FD9\u56DB\u4E2A\u9009\u9879\u65F6\u53EF\u4EE5\u53EA\u6307\u5B9A \\\"kMDItem\\\"\n    \#{' ' * 35}\u540E\u9762\u7684\u90E8\u5206, \u672C\u9009\u9879\u7684\u503C\u7684\u683C\u5F0F\u4E3A \\\"property@filename\\\", \u4F8B\u5982,\n    \#{' ' * 35}\u641C\u7D22\u6587\u4EF6\u5927\u5C0F\u7B49\u4E8E a.txt \u7684\u6240\u6709\u6587\u4EF6\uFF1A--prop-eq FSSize@./a.txt\n    \") do |arg_value|\n    prop_key, filename = arg_value.split('@')\n    prop_key = 'kMDItem' + prop_key unless prop_key.start_with?('kMDItem')\n    filename = File.expand_path filename\n    @predicates << \"\#{prop_key} == %s\" % prop_value_from_file(filename, prop_key)\n  end\n\n  @opt.on('', '--prop-ne arg_value', 'e.g. --prop-ne [email protected]\n    ') do |arg_value|\n    prop_key, filename = arg_value.split('@')\n    prop_key = 'kMDItem' + prop_key unless prop_key.start_with?('kMDItem')\n    filename = File.expand_path filename\n    @predicates << \"\#{prop_key} != %s\" % prop_value_from_file(filename, prop_key)\n  end\n\n  @opt.on('', '--prop-le arg_value', 'e.g. --prop-le [email protected]\n    ') do |arg_value|\n    prop_key, filename = arg_value.split('@')\n    prop_key = 'kMDItem' + prop_key unless prop_key.start_with?('kMDItem')\n    filename = File.expand_path filename\n    @predicates << \"\#{prop_key} <= %s\" % prop_value_from_file(filename, prop_key)\n  end\n\n  @opt.on('', '--prop-ge arg_value', 'e.g. --prop-ge [email protected]\n    ') do |arg_value|\n    prop_key, filename = arg_value.split('@')\n    prop_key = 'kMDItem' + prop_key unless prop_key.start_with?('kMDItem')\n    filename = File.expand_path filename\n    @predicates << \"\#{prop_key} >= %s\" % prop_value_from_file(filename, prop_key)\n  end\n\n  @opt.on('-d url', '--downloadfrom url', '\u641C\u7D22\u4ECEURL\u4E0B\u8F7D\u7684\u6587\u4EF6') do |url|\n    @predicates << 'kMDItemWhereFroms == \"%s\"' % \"*\#{escape(url)}*\" # \u66D6\u6627\u6307\u5B9A\n  end\n\n  @opt.on('-n name', '--name name', '\u6309\u6587\u4EF6\u540D\u79F0\u641C\u7D22, \u81EA\u52A8\u652F\u6301\u6A21\u7CCA\u5339\u914D, \u65E0\u9700\u6307\u5B9A\u901A\u914D\u7B26') do |name|\n    @predicates << 'kMDItemFSName == \"%s\"cdw' % escape(name)\n  end\n\n  @opt.on('-0', '--null', \"Prints an ASCII NUL character after each result path.\n    \#{' ' * 35}This is useful when used in conjunction with\n    \#{' ' * 35}xargs -0.\") do\n    @ascii_null = true\n  end\n\n  @opt.on('', '--live', \"Causes the mdfind command to provide live-updates to the\n    \#{' ' * 35}number of files matching the query. When an\n    \#{' ' * 35}update causes the query results to change the\n    \#{' ' * 35} number of matches is updated.  The find can\n    \#{' ' * 35}be cancelled by typing ctrl-C.\n    \") do\n    @live = true\n  end\n\n  @opt.on('', '--count', \"Causes the mdfind command to output the total number of\n    \#{' ' * 35}matches, instead of the path to the matching\n    \#{' ' * 35}items.\n    \") do\n    @count = true\n  end\n\n  @opt.on('', '--debug', \"mdfind4 \u901A\u8FC7\u8C03\u7528 OS X \u7CFB\u7EDF\u81EA\u5E26\u7684 mdfind \u547D\u4EE4\u6765\u5B8C\u6210\u6587\u4EF6\u641C\u7D22\uFF0C\u6307\u5B9A\n    \#{' ' * 35}\u672C\u9009\u9879\u4E4B\u540E, \u53EF\u4EE5\u770B\u5230 mdfind4 \u5B9E\u9645\u8C03\u7528\u7684\u547D\u4EE4\u7684\u53C2\u6570\n    \") do\n    @print_command = true\n  end\nend\n"

#escape(str) ⇒ Object 



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# File 'lib/mfd/cli.rb', line 238

def escape(str)
  str.gsub(/"/, '\\"')
end

#parse_options!(args) ⇒ Object 



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# File 'lib/mfd/cli.rb', line 20

def parse_options!(args)
  if args.empty?
    puts @opt
    exit
  end

  @opt.parse!(args)

  if args.size == 1
    dir = args.first
    dir = File.expand_path dir unless dir =~ /^\//
    scope = "-onlyin '#{escape dir}'"
  else
    scope = ''
  end

  query_string = @predicates.join(' && ')

  cmd = "mdfind #{scope} \
  #{@ascii_null ? '-0' : ''} \
  #{@live ? '-live' : ''} \
  #{@count ? '-count' : ''} \
'#{query_string}'"

  puts cmd if @print_command

  system cmd
end

#prop_value_from_file(filename, key) ⇒ Object 



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# File 'lib/mfd/cli.rb', line 279

def prop_value_from_file(filename, key)
  filename = File.expand_path filename.sub(/^@/) { '' }
  IO.popen("mdls '#{filename}'", 'r') do |io|
    while line = io.gets
      next unless line =~ /#{key}\s*=\s*(.+)/
      value_str = Regexp.last_match(1)
      case value_str
      when /^"([^"]*)"$/
        return Regexp.last_match(1)
      when /^(\d+)$/
        return Regexp.last_match(1)
      when /^(.*) \+0000$/
        ymd = Regexp.last_match(1).split(/\D+/)
        return Time.gm(*ymd) - Time.gm(2001)
      else
        next
      end
    end
    return nil
  end
end