Class: Genprovider::Output

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, force = false) {|_self| ... } ⇒ Output

Returns a new instance of Output.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/genprovider/output.rb', line 12

def initialize file, force=false
  if file.kind_of?(IO)
    @file = file
    @name = nil
  else
    if File.exist?(file) && !force
	STDERR.puts "Not overwriting existing #{file}"
	return
    end
    @file = File.open(file, "w+")
    @name = File.basename file
    @dir = File.expand_path(File.dirname file)
  end
  raise "Cannot create file at #{file}" unless @file
  @newline = true
  @indent = 0
  @wrap = 75 # wrap at this column
  @depth = 2 # indent depth
  yield self if block_given?
end

Instance Attribute Details

#dir ⇒ Object (readonly)

Returns the value of attribute dir.



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# File 'lib/genprovider/output.rb', line 11

def dir
  @dir
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/genprovider/output.rb', line 11

def name
  @name
end

Instance Method Details

#comment(str = nil, lmargin = nil) ⇒ Object 



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# File 'lib/genprovider/output.rb', line 64

def comment str=nil, lmargin = nil
  if str =~ /\\n/
    comment $`, lmargin
    comment $', lmargin  #' <- colorize helper
    return self
  end
  wrap = @wrap - (@depth * @indent + 2) - ((lmargin)?lmargin:0)
  if str && str.size > wrap # must wrap
#      STDERR.puts "#{str.size} > #{wrap}"
    pivot = wrap
    while pivot > 0 && str[pivot,1] != " " # search space left of wrap
      pivot -= 1
    end
    if pivot == 0 # no space left of wrap
      pivot = wrap
      while pivot < str.size && str[pivot,1] != " " # search space right of wrap
        pivot += 1
      end
    end
    if 0 < pivot && pivot < str.size
#        puts "-wrap @ #{pivot}-"
      comment str[0,pivot], lmargin
	comment str[pivot+1..-1], lmargin
	return self
    end
  end
  indent
  @file.write "#"
  @file.write(" " * lmargin) if lmargin
  @file.write " #{str}" if str
  @file.puts
  self
end

#dec ⇒ Object 



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# File 'lib/genprovider/output.rb', line 36

def dec
  @indent -= 1
  @indent = 0 if @indent < 0
  self
end

#def(name, *args) ⇒ Object 



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# File 'lib/genprovider/output.rb', line 52

def def name, *args
  if args.nil? || args.empty? || args[0].nil?
    self.puts "def #{name}"
  else
    self.puts "def #{name}( #{args.join(', ')} )"
  end
  self.inc
end

#end ⇒ Object 



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# File 'lib/genprovider/output.rb', line 60

def end
  self.dec
  self.puts "end"
end

#inc ⇒ Object 



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# File 'lib/genprovider/output.rb', line 32

def inc
  @indent += 1
  self
end

#printf(format, *args) ⇒ Object 



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# File 'lib/genprovider/output.rb', line 97

def printf format, *args
  indent
  Kernel.printf @file, format, *args
  @newline = false
  self
end

#puts(str = "") ⇒ Object 



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# File 'lib/genprovider/output.rb', line 46

def puts str=""
  indent unless str.empty?
  @file.puts str
  @newline = true
  self
end

#write(str) ⇒ Object 



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# File 'lib/genprovider/output.rb', line 41

def write str
  @file.write str
  @newline = false
  self
end