Class: BitClust::Searcher

Inherits:
Object show all
Includes:
NameUtils
Defined in:
lib/bitclust/searcher.rb

Overview

Body of bin/refe.

Constant Summary

Constants included from NameUtils

NameUtils::CHAR_TO_MARK, NameUtils::CHAR_TO_NAME, NameUtils::CLASS_NAME_RE, NameUtils::CLASS_PATH_RE, NameUtils::CONST_PATH_RE, NameUtils::CONST_RE, NameUtils::GVAR_RE, NameUtils::LIBNAME_RE, NameUtils::MARK_TO_CHAR, NameUtils::MARK_TO_NAME, NameUtils::METHOD_NAME_RE, NameUtils::METHOD_SPEC_RE, NameUtils::MID, NameUtils::NAME_TO_CHAR, NameUtils::NAME_TO_MARK, NameUtils::TYPEMARK_RE

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from NameUtils

build_method_id, classid2name, classname2id, classname?, decodeid, decodename_fs, decodename_url, display_typemark, encodeid, encodename_fs, encodename_rdocurl, encodename_url, functionname?, gvarname?, html_filename, libid2name, libname2id, libname?, method_spec?, methodid2classid, methodid2libid, methodid2mname, methodid2specparts, methodid2specstring, methodid2typechar, methodid2typemark, methodid2typename, methodname?, split_method_id, split_method_spec, typechar2mark, typechar2name, typechar?, typemark2char, typemark2name, typemark?, typename2char, typename2mark, typename?

Constructor Details

#initialize ⇒ Searcher

Returns a new instance of Searcher.



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# File 'lib/bitclust/searcher.rb', line 29

def initialize
  cmd = File.basename($0, '.*')
  @dblocation = nil
  @name = (/\Abitclust/ =~ cmd ? 'bitclust search' : 'refe')
  @describe_all = false
  @linep = false
  @encoding = nil
  @target_type = nil
  @listen_url = nil
  @foreground = false
  @parser = OptionParser.new {|parser|
    parser.banner = "Usage: #{@name} <pattern>"
    unless cmd == 'bitclust'
      parser.on('-d', '--database=URL', "Database location (default: #{dblocation_name()})") {|loc|
        @dblocation =
          if windows_drive_path?(loc)
            # "G:/Users/foo/.bitclust/db-2.2.0" のような Windows の
            # ドライブレター付きパスは "/:/ =~ loc" が真になってしまい
            # (":" がドライブレターの区切りに含まれるため)、既に URL
            # 形式だと誤認されて file:// を付けずに URI.parse に渡って
            # しまう。drive_path_uri で組み立てる
            drive_path_uri(loc)
          else
            url = (/:/ =~ loc) ? loc : "file://#{File.expand_path(loc)}"
            URI.parse(url)
          end
      }
      parser.on('--server=URL', 'Spawns BitClust database server and listen URL.  Requires --database option with local path.') {|url|
        require 'bitclust/server'   # require here for speed
        @listen_url = url
      }
      parser.on('--foreground', 'Do not become daemon (for debug)') {
        @foreground = true
      }
    end
    parser.on('-a', '--all', 'Prints descriptions for all matched entries.') {
      @describe_all = true
    }
    parser.on('-l', '--line', 'Prints one entry in one line.') {
      @linep = true
    }
    parser.on('-e', '--encoding=ENCODING', 'Select encoding.') {|enc|
      @encoding = enc
    }
    parser.on('--class', 'Search class or module.') {
      @target_type = :class
    }
    parser.on('--version', 'Prints version and quit.') {
      if cmd == 'bitclust'
        puts "BitClust -- Next generation reference manual interface"
        exit 1
      else
        puts "ReFe version 2"
        exit 1
      end
    }
    parser.on('--help', 'Prints this message and quit.') {
      puts parser.help
      exit 0
    }
  }
end

Instance Attribute Details

#parser ⇒ Object (readonly)

Returns the value of attribute parser.



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# File 'lib/bitclust/searcher.rb', line 92

def parser
  @parser
end

Instance Method Details

#exec(argv, options = {}) ⇒ Object 



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# File 'lib/bitclust/searcher.rb', line 103

def exec(argv, options = {})
  db = nil
  prefix = options[:prefix]
  if prefix
    if options[:capi]
      db = BitClust::FunctionDatabase.new(prefix)
    else
      db = BitClust::MethodDatabase.new(prefix)
    end
  end
  if @listen_url
    spawn_server db
  else
    search_pattern db, argv
  end
end

#help ⇒ Object 



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# File 'lib/bitclust/searcher.rb', line 120

def help
  @parser.help
end

#parse(argv) ⇒ Object 



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# File 'lib/bitclust/searcher.rb', line 94

def parse(argv)
  @parser.parse! argv
  if @listen_url   # server mode
    server_mode_check argv
  else
    refe_mode_check argv
  end
end