Class: TextHandler

Inherits:
Object show all
Defined in:
lib/text_handler.rb

Class Method Summary collapse

Class Method Details

.normalize_line(string) ⇒ Object 



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# File 'lib/text_handler.rb', line 9

def self.normalize_line(string)
    string.strip!
    string.squeeze(' ')
end

.normalize_text(text) ⇒ Object 



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# File 'lib/text_handler.rb', line 14

def self.normalize_text(text)
    if !text.is_a?(String) && !text.is_a?(Array)
        raise "Argument must be a String or a Array"
        return ''
    end

    if text.is_a? String
        # Trying to normalize for different OSes
        text = text.gsub(/\015\012?/, "\n")
        text = text.split(/\n/) # Now it's an Array
    end
    
    text = TextHandler.remove_padding_lines(text)
    new_text = Array.new
    found_double = false
    text.each_with_index do |line, i|
        next_line = text[i+1]
        if line.blank?
            if next_line.blank?
                found_double = true
                new_text << "$doubled$"
            else
                new_text << "$single$"
            end
        else
            new_text << TextHandler.normalize_line(line)
        end
    end
    new_text.select! do |line|
        found_double ? (line != "$single$") : true
    end

    new_text = new_text.chunk{|n| n.gsub("$doubled$", "")}.map(&:first)
    new_text = new_text.map{|n| n.gsub("$single$", "") }
    new_text
end