Module: Murlsh

Defined in:

lib/murlsh/uri_domain.rb,
lib/murlsh/url.rb,
lib/murlsh/doc.rb,
lib/murlsh/ask.rb,
lib/murlsh/auth.rb,
lib/murlsh/markup.rb,
lib/murlsh/plugin.rb,
lib/murlsh/uri_ask.rb,
lib/murlsh/dispatch.rb,
lib/murlsh/time_ago.rb,
lib/murlsh/openlock.rb,
lib/murlsh/url_body.rb,
lib/murlsh/json_body.rb,
lib/murlsh/failproof.rb,
lib/murlsh/cp_r_safe.rb,
lib/murlsh/img_store.rb,
lib/murlsh/build_md5.rb,
lib/murlsh/image_list.rb,
lib/murlsh/jsonp_body.rb,
lib/murlsh/url_server.rb,
lib/murlsh/json_server.rb,
lib/murlsh/build_query.rb,
lib/murlsh/head_from_get.rb,
lib/murlsh/search_grammar.rb,
lib/murlsh/url_result_set.rb,
lib/murlsh/delicious_parse.rb,
lib/murlsh/must_revalidate.rb,
lib/murlsh/etag_add_encoding.rb,
lib/murlsh/search_conditions.rb,
lib/murlsh/yaml_ordered_hash.rb,
lib/murlsh/uri_get_path_query.rb,
lib/murlsh/far_future_expires.rb

Overview

Defined Under Namespace

Modules: BuildMd5, Doc, HeadFromGet, ImageList, Markup, SearchGrammar, TimeAgo, URIDomain, URIGetPathQuery, UriAsk, YamlOrderedHash Classes: Auth, Dispatch, EtagAddEncoding, FarFutureExpires, ImgStore, JsonBody, JsonServer, JsonpBody, MustRevalidate, Plugin, SearchConditions, SearchGrammarParser, Url, UrlBody, UrlResultSet, UrlServer

Instance Method Summary (collapse)

• - (Object) ask(prompt, default)

  Ask the user a question and return the answer.

• - (Object) build_query(h)

  Query string builder.

• - (Object) cp_r_safe(sources, dest, options)

  Recursive copy from sources to destination but ask before overwriting.

• - (Object) delicious_parse(source)

  Parse a delicious xml export and yield a hash for each bookmark.

• - (Object) failproof(options = {})

  Catch all exceptions unless options = false.

• - (Object) openlock(*args)

  Open a file with an exclusive lock.

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# File 'lib/murlsh/ask.rb', line 6

def ask(prompt, default)
  print "#{prompt} [#{default}] "
  answer = $stdin.gets.strip
  answer = default  if answer.empty?
  answer
end

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# File 'lib/murlsh/build_query.rb', line 6

def build_query(h)
  h.empty? ? '' : '?' + h.map { |k,v| URI.escape "#{k}=#{v}" }.join('&')
end

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# File 'lib/murlsh/cp_r_safe.rb', line 12

def cp_r_safe(sources, dest, options)
  sources.each do |source|
    new = File.join(dest, File.split(File.expand_path(source)).last)

    if File.directory?(source)
      FileUtils.mkdir_p(new, options)
      cp_r_safe(Dir.entries(source).
        reject { |f| %w{. ..}.include?(f) }.
        map { |f| File.join(source, f) }, new, options)
    else
      answer = if File.exists?(new)
        Murlsh.ask("#{new} exists. Overwrite?", 'n')
      else
        'y'
      end

      FileUtils.copy(source, new, options)  if answer == 'y'
    end
  end
end

curl https://user:password@api.del.icio.us/v1/posts/all > delicious.xml

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# File 'lib/murlsh/delicious_parse.rb', line 14

def delicious_parse(source)
  doc = Nokogiri::XML(open(source))

  doc.xpath('//post').each do |p|
    result = {}
    p.each { |k,v| result[k.to_sym] = v }

    result[:tag] = result[:tag].split
    result[:time] = Time.parse(result[:time])

    # extract via information from extended
    result[:via] = result[:extended].chomp(')')[%r{via\s+([^\s]+)}, 1]
    result[:via_url] = begin
      if result[:via] and
        %w{http https}.include?(URI(result[:via]).scheme.to_s.downcase)
        result[:via]
      end
    rescue URI::InvalidURIError
    end

    yield result
  end
end

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# File 'lib/murlsh/failproof.rb', line 6

def failproof(options={})
  begin
    yield
  rescue Exception
    raise unless options.fetch(:failproof, true)
  end
end

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# File 'lib/murlsh/openlock.rb', line 6

def openlock(*args)
  open(*args) do |f|
    f.flock(File::LOCK_EX) ; yield f ; f.flock(File::LOCK_UN)
  end
end