Class: Typefactory::Processor

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

Instance Method Summary collapse

Constructor Details

#initialize(original) ⇒ Processor

Returns a new instance of Processor.

Parameters:

  • original (String) 


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# File 'lib/typefactory/processor.rb', line 6

def initialize(original)
  @buffer = original
end

Instance Method Details

#characters_after(index, length) ⇒ String (private)

Parameters:

  • index (Integer) —

    контрольная позиция селектора

  • length (Integer) —

    количество возвращаемых символов после контрольной позиции

Returns:

  • (String) 


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# File 'lib/typefactory/processor.rb', line 136

def characters_after(index, length)
  start_position = index+1 < @buffer.length ? index+1 : @buffer.length-1
  end_position   = index+length < @buffer.length ? index+length : @buffer.length-1
  @buffer[start_position..end_position]
end

#characters_before(index, length) ⇒ String (private)

Parameters:

  • index (Integer) —

    контрольная позиция селектора

  • length (Integer) —

    количество возвращаемых символов перед контрольной позицией

Returns:

  • (String) 


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# File 'lib/typefactory/processor.rb', line 127

def characters_before(index, length)
  start_position = (index-length > 0) ? index-length : 0
  end_position   = (index-1 > 0) ? index-1 : 0
  @buffer[start_position..end_position]
end

#cleanup ⇒ Object (private)

Очищает текст от уже расставленных глифов



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# File 'lib/typefactory/processor.rb', line 35

def cleanup
  Typefactory::glyphs.each do |key, glyph|
    @buffer.gsub!(/#{glyph[:entity]}|#{glyph[:decimal]}|#{glyph[:symbol]}/) do
      glyph[:mark]
    end
  end

  expression = ''
  Typefactory::quotes.each_pair do |locale, quotes|
    quotes.each do |level|
      level.each do |side, glyph|
        expression += "#{glyph[:symbol]}|#{glyph[:entity]}|#{glyph[:decimal]}|"
      end
    end
  end
  @buffer.gsub!(/#{expression[0..-2]}/, Typefactory::glyphs[:quot][:mark])
end

#prepare(settings = nil) ⇒ String

Parameters:

  • settings (Array) (defaults to: nil)

Returns:

  • (String) 


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# File 'lib/typefactory/processor.rb', line 12

def prepare(settings = nil)

  @settings = settings.nil? ? Typefactory::settings : Typefactory::settings | settings

  cleanup if @settings.include?(:clean) and !@settings.include?(:no_clean)

  preserve_html

  process_quotes if @settings.include?(:quotes) and !@settings.include?(:no_quotes)

  revive_html

  process_dashes if @settings.include?(:dashes) and !@settings.include?(:no_dashes)

  process_widows if @settings.include?(:glue_widows) and !@settings.include?(:no_glue_widows)

  @buffer

end

#preserve_html ⇒ Object (private)

Экранирует параметры тегов HTML



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# File 'lib/typefactory/processor.rb', line 54

def preserve_html
  @buffer.gsub!(/<([^\/].*?)>/) do |tag|
    tag.gsub(/"/, '\'')
  end
end

#process_dashes ⇒ Object (private)

Расставляет длинные тире



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# File 'lib/typefactory/processor.rb', line 192

def process_dashes
  @buffer.gsub!(/\s\-\s/) do
    "#{Typefactory::glyphs[:nbsp][Typefactory::mode]}#{Typefactory::glyphs[:mdash][Typefactory::mode]} "
  end
end

#process_quotes ⇒ Object (private)

Расставляет правильные многоуровневые кавычки



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# File 'lib/typefactory/processor.rb', line 68

def process_quotes
  result = ''
  depth  = -1
  @buffer.split('').each_with_index do |char, index|
    if char == '"'
      side = quote_mark_side index
      if side == :left
        depth  += 1
        result += Typefactory::quote(depth, side)
      else
        result += Typefactory::quote(depth, side)
        depth  -= 1
      end
    else
      result += char
    end
  end

  @buffer.replace result
end

#process_widows ⇒ Object (private)

Расставляет неразрывные пробелы после слов длиной до трех символов



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# File 'lib/typefactory/processor.rb', line 185

def process_widows
  @buffer.gsub!(/(\s)([a-z,A-Z,а-я,А-Я]{1,2})\s(\S)/) do
    "#{$1}#{$2}#{Typefactory::glyphs[:nbsp][Typefactory::mode]}#{$3}"
  end
end

#quote_mark_side(index) ⇒ Object (private)

Определяет сторону кавычки на указаной позиции

Parameters:

  • index (Integer) —

    позиция кавычки в строке



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# File 'lib/typefactory/processor.rb', line 91

def quote_mark_side(index)
  before = space_before_position index
  after  = space_after_position index

  if !before.nil? and !after.nil?
    if before == after

      if index == 0
        :left
      elsif index == @buffer.length-1
        :right
      else

        if @buffer[index+1..index+1].scan(/[A-Za-zА-Яа-я0-9]/).any?
          :left
        else
          :right
        end

      end

    elsif before < after
      :left
    else
      :right
    end
  elsif !before.nil? and after.nil?
    :left
  elsif !after.nil? and before.nil?
    :right
  end
end

#revive_html ⇒ Object (private)

Снимает экранирование с тегов HTML



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# File 'lib/typefactory/processor.rb', line 61

def revive_html
  @buffer.gsub!(/<([^\/].*?)>/) do |tag|
    tag.gsub(/'/, '"')
  end
end

#space_after_position(index, length = 4) ⇒ Integer, Nil (private)

Расстояние до ближайшего пробельного символа справа от текущей позиции

Parameters:

  • index (Integer)
  • length (Integer) (defaults to: 4)

Returns:

  • (Integer, Nil) 


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# File 'lib/typefactory/processor.rb', line 169

def space_after_position(index, length = 4)
  expression = /\s|\-|<|\.|,|!|\?|:|;|\)/
  space_at   = characters_after(index, length).index(expression)
  if space_at.nil?
    if index > @buffer.length-length-1
      0
    else
      nil
    end
  else
    space_at + 1
  end

end

#space_before_position(index, length = 4) ⇒ Integer, Nil (private)

Расстояние до ближайшего пробельного символа слева от текущей позиции

Parameters:

  • index (Integer)
  • length (Integer) (defaults to: 4)

Returns:

  • (Integer, Nil) 


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# File 'lib/typefactory/processor.rb', line 146

def space_before_position(index, length = 4)
  expression = /\s|\-|>|\(/
  space_at   = characters_before(index, length).rindex(expression)
  if space_at.nil?
    if index < length
      0
    else
      nil
    end
  else
    if index < length
      space_at + 1
    else
      length - space_at
    end
  end

end