Class: Clip

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Clip

Returns a new instance of Clip.



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# File 'lib/clip.rb', line 19

def initialize
	@data = ""	# no lines at all, "\n" would be 1 empty line
	@wrap = false
	@type = :text
	@title = ""
	@created = Time.now
	@pos = 0
end

Instance Attribute Details

#created ⇒ Object

Returns the value of attribute created.



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# File 'lib/clip.rb', line 17

def created
  @created
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/clip.rb', line 17

def data
  @data
end

#pos ⇒ Object

Returns the value of attribute pos.



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# File 'lib/clip.rb', line 17

def pos
  @pos
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/clip.rb', line 17

def title
  @title
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/clip.rb', line 17

def type
  @type
end

#wrap ⇒ Object

Returns the value of attribute wrap.



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# File 'lib/clip.rb', line 17

def wrap
  @wrap
end

Class Method Details

.from_hash(hash) ⇒ Object 



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# File 'lib/clip.rb', line 96

def Clip.from_hash(hash)
	cl = Clip.new
	case hash["type"]
	when :text
		cl.wrap = hash["wrap"]
		cl.data = hash["data"]
		cl.title = hash["title"]
		cl.created = hash["created"]
	end
	return cl
end

.from_mbox(str) ⇒ Object 



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# File 'lib/clip.rb', line 28

def Clip.from_mbox(str)
	# "From_" line already removed
	cl = Clip.new
	in_header = true
	charset = "UTF-8"
	str.each_line do | line  |
                line.encode!(charset)
		if in_header then
			if line == "\n" then
				in_header = false
				next
			end
			#(key, value) = line.split(/\s*:\s*/,2)
			# stricter pattern to preserve leading spaces
			(key, value) = line.split(/\s*: /,2)
			value.chomp!
			case key.downcase
			when "flags", "x-flags"
				cl.wrap = value.downcase.include?("w")
			when "subject"
				cl.title = value
			when "created-at", "date"
				cl.created = Time.parse(value)
			when "content-type"
				case value
				when "text/plain"
					cl.type = :text
				when "application/x-jota-pref"
					cl.type = :pref
				else
					cl.type = :text		# safe fallback type
				end
			end
		else
			cl.data << line
		end
	end
	return cl
end

Instance Method Details

#==(clip) ⇒ Object 



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# File 'lib/clip.rb', line 124

def ==(clip)
	return self.to_hash == clip.to_hash
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clip.rb', line 119

def empty?
	# strip also removes LFs
	return @data.strip == "" && @title.strip == ""
end

#text ⇒ Object

POSSIBLE CASES FOR TEXT <-> TITLE/DATA CONVERSION

text                                    title   data

a) “” 1) “” “” b) abc 2) abc “” c) abcn 2) abc “” d) abcn 3) abc defn

def

e) abcn 3) abc defn

def\n



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# File 'lib/clip.rb', line 138

def text
	if @title == "" and @data == "" then
		# map (1) to (a)
		return ""
	else
		# map (2) to (b) and (3) to (d)
		return "%s\n%s" % [@title,@data]
	end
end

#text=(str) ⇒ Object 



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# File 'lib/clip.rb', line 148

def text=(str)
	# map (a),(b) to (c) and (d) to (e)
	str = str.chomp + "\n"

	# map (c) to (2) and (e) to (3)
	arr = str.split("\n",-1)	# arr has at least 2 elems
					# the last elem is empty
	@title = arr[0]			# first elem = first line
	@data = arr[1..-1].join("\n")	# second to last elem
end

#title! ⇒ Object

Return modified title for easier readabiliy

  • empty string is replaced with “…”

  • tabs are replaced with 4 spaces



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# File 'lib/clip.rb', line 162

def title!
	if @title.strip == "" then
		return "..."
	else

		return expand_tabs(@title)
	end
end

#to_hash ⇒ Object 



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# File 'lib/clip.rb', line 108

def to_hash
	hash = Hash.new
	hash["type"] = @type
	hash["wrap"] = @wrap
	hash["data"] = @data
	hash["title"] = @title
	hash["created"] = @created
	return hash
end

#to_mbox ⇒ Object 



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# File 'lib/clip.rb', line 68

def to_mbox
	str = ""
	charset = "UTF-8"

	str << "Created-At: %s\n" % @created.ctime

	str << "Subject: %s\n" % @title

	case @type
	when :text
		str << "Content-Type: text/plain; charset=#{charset}\n"
	when :pref
		str << "Content-Type: application/x-jota-pref\n"
	end

	str << "Flags: "
	str << "w" if @wrap
	str << "\n"

	str << "Originating-Client: %s %s\n" % [
		Version::PROGRAM_NAME, Version::STRING]
	str << "\n"

	str << @data

	return str
end