Class: SiSU_TextUtils::Wrap

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

Instance Method Summary collapse

Constructor Details

#initialize(para = '', n_char_max = 76, n_indent = 0, n_hang = nil, post = '') ⇒ Wrap

Returns a new instance of Wrap.



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# File 'lib/sisu/txt_shared.rb', line 60

def initialize(para='',n_char_max=76,n_indent=0,n_hang=nil,post='')
  @para,@n_char_max,@n_indent,@post,=para,n_char_max,n_indent,post
  @n_char_max_extend = n_char_max
  @n_hang=n_hang ? n_hang : @n_indent
end

Instance Method Details

#array_wrap ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 121

def array_wrap
  if @para.is_a?(Array)
    @arr=[]
    @para.each do |line|
      @arr << SiSU_TextUtils::Wrap.new(line,@n_char_max,@n_indent,@n_hang).line_wrap
    end
  end
  @arr
end

#break_line ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 65

def break_line
  "\n"
end

#line_wrap ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 68

def line_wrap
  space=' '
  spaces_indent,spaces_hang="#{break_line}#{space*@n_indent}",space*@n_hang
  line=0
  out=[]
  out[line]=''
  @para=@para.gsub(/<br>/,' \\ ').
    gsub(/#{Mx[:br_nl]}/,"\n\n")
  words=@para.scan(/\n\n|\s+\\\s+|<br>|\S+/m)
  while words != ''
    word=words.shift
    if not word
      out[line] unless out[line].empty? #check
      break
    elsif word =~/<br>/
      word=nil
      out[line]=out[line].gsub(/<br>/,'')
      line=line
    elsif word =~/\n\n/
      word="\n"
      @n_char_max_extend = @n_char_max
      line += 1
    elsif (out[line].length + word.length) > (@n_char_max_extend - @n_indent) \
    and out[line] =~/\S+/
      @n_char_max_extend = @n_char_max
      out[line].squeeze!(' ')
      line += 1
    end
    if word
      out[line]=if out[line] \
      and out[line] !~/\S+$/m
        "#{out[line]}#{word}"
      elsif out[line] \
      and out[line] =~/\S+/
        "#{out[line]} #{word}"
      else "#{word.strip}"
      end
    end
    @oldword=word if word =~/\S+/
  end
  post=(@post.empty?) \
  ? ''
  : "\n" + (' '*@n_indent) +@post
  spaces_hang + out.join(spaces_indent) + post
end

#line_wrap_endnote ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 117

def line_wrap_endnote
  @n_indent,@n_hang=4,2
  line_wrap
end

#line_wrap_indent1 ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 113

def line_wrap_indent1
  @n_indent,@n_hang=2,2
  line_wrap
end

#no_wrap ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 130

def no_wrap
  @para
end

#no_wrap_no_breaks ⇒ Object 



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# File 'lib/sisu/txt_shared.rb', line 133

def no_wrap_no_breaks
  @para.gsub(/\n/m,' ').gsub(/\s\s+/,' ')
end