Class: EdifactConverter::XML::Paragraph

Inherits:
Object
  • Object
show all
Defined in:
lib/edifact_converter/xml/paragraph.rb

Defined Under Namespace

Classes: Break, Text

Constant Summary collapse

MONOSPACE = 
'F'
PROPOTIONAL = 
'P'
CENTER = 
'M'
RIGHT = 
'H'
BOLD = 
'F'
UNDERLINE = 
'U'
ITALIC = 
'K'
NORMAL = 
'Normal'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Paragraph

Returns a new instance of Paragraph.



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# File 'lib/edifact_converter/xml/paragraph.rb', line 29

def initialize()
  self.font = PROPOTIONAL
  self.format = NORMAL
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/edifact_converter/xml/paragraph.rb', line 15

def content
  @content
end

#font ⇒ Object

Returns the value of attribute font.



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# File 'lib/edifact_converter/xml/paragraph.rb', line 15

def font
  @font
end

#format ⇒ Object

Returns the value of attribute format.



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# File 'lib/edifact_converter/xml/paragraph.rb', line 15

def format
  @format
end

Instance Method Details

#add_break ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 62

def add_break
  content.push Break.new
end

#add_end_break(text_break) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 46

def add_end_break(text_break)
  content.push text_break
end

#add_start_break(text_break) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 42

def add_start_break(text_break)
  content.unshift text_break
end

#add_text(text) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 58

def add_text(text)
  content.push Text.new(text)
end

#divide_text(value, &block) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 142

def divide_text(value, &block)
  chars = value.encode("iso-8859-1").chars
  text = StringIO.new
  text.set_encoding("iso-8859-1")
  chars = chars.reject do |c|
    if text.size == 69 and chars.count > 1
      text.string = insert_split(text, &block)
    end
    text.seek text.size
    text.write c
    true
  end
  text.string.encode "UTF-8"
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/edifact_converter/xml/paragraph.rb', line 66

def empty?
  content.empty?
end

#empty_copy ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 78

def empty_copy
  copy = Paragraph.new
  copy.format = format
  copy.font = font
  copy
end

#end_breaks? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/edifact_converter/xml/paragraph.rb', line 54

def end_breaks?
  content.last.break? if content.any?
end

#ftx_format ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 85

def ftx_format
  text = "#{font}"
  text << case format
  when NORMAL
    '00'
  when CENTER
    '0M'
  when RIGHT
    '0H'
  when BOLD
    'F0'
  when ITALIC
    'K0'
  when UNDERLINE
    'U0'
  else
    '00'
  end
end

#insert_split(text) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 157

def insert_split(text)
  index = text.string.rindex(/[\s]/)
  if index and index > 2
    yield "#{text.string[0..(index)]}\\".encode "UTF-8"
    text.string[(index+1)..-1]
  else
    text.write '\\'
    yield text.string.encode "UTF-8"
    ''
  end
end

#remove_end_break ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 50

def remove_end_break
  content.shift if end_breaks?
end

#remove_start_break ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 34

def remove_start_break
  content.shift if start_breaks?
end

#start_breaks? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/edifact_converter/xml/paragraph.rb', line 38

def start_breaks?
  content.first.break? if content.any?
end

#texts? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/edifact_converter/xml/paragraph.rb', line 74

def texts?
  content.index { |obj| not obj.break? }
end

#to_s ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 169

def to_s
  txt = "<#{ftx_format}:"
  content.each do |obj|
    if obj.break?
      txt << "\n"
    else
      txt << obj.value
    end
  end
  txt << ">"
end

#to_subelms(next_paragraph) ⇒ Object 



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# File 'lib/edifact_converter/xml/paragraph.rb', line 105

def to_subelms(next_paragraph)
  texts = []
  text = StringIO.new
  content_clone = content.clone
  content_clone.delete_if do |obj|
    if obj.break?
      text.write '.' if text.size == 0
      texts << text.string
      text.string = ""
    else
      text.string = divide_text(obj.value) { |t| texts << t }
    end
    true
  end
  text.seek text.size
  if text.size > 0
    if next_paragraph
      if next_paragraph.start_breaks?
        next_paragraph.remove_start_break
      else
        if text.size == 70
          last = text.chars.last
          text.seek 69
          text.write('\\')
          texts << text.string
          text.string = "#{last}"
          text.seek text.size
        end
        text.write('\\')
      end
    end
    texts << text.string
    text.string = ''
  end
  texts
end