Class: SportDb::PrettyPrinter

Inherits:
Object
  • Object
show all
Includes:
LogUtils::Logging
Defined in:
lib/sportdb/pretty_printer.rb

Constant Summary collapse

SCORES_REGEX =

change to DE_SCORES_REGEX or SCORES_DE_REGEX ??

/\b
 (?<score1>\d{1,2})
   -
 (?<score2>\d{1,2})
 \b
/x

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text, opts = {}) ⇒ PrettyPrinter

Returns a new instance of PrettyPrinter.



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# File 'lib/sportdb/pretty_printer.rb', line 103

def initialize( text, opts={} )
  @old_text = text
  @opts     = opts
end

Class Method Details

.from_file(path, opts = {}) ⇒ Object 



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# File 'lib/sportdb/pretty_printer.rb', line 91

def self.from_file( path, opts={} )
  ## note: assume/enfore utf-8 encoding (with or without BOM - byte order mark)
  ## - see textutils/utils.rb
  text = File.read_utf8( path )
  self.from_string( text, opts )
end

.from_string(text, opts = {}) ⇒ Object 



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# File 'lib/sportdb/pretty_printer.rb', line 98

def self.from_string( text, opts={} )
  self.new( text, opts )
end

Instance Method Details

#patch ⇒ Object

return new text (and change log??)



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# File 'lib/sportdb/pretty_printer.rb', line 117

def patch  ## return new text (and change log??)
  new_text = ''
  change_log = []   ## track changes  - rename - use edits? changes? etc.
  line_no = 0

  @old_text.each_line do |line|
    line_no +=1

    # comments allow:
    # 1) #####  (shell/ruby style)
    # 2) --  comment here (haskel/?? style)
    # 3) % comment here (tex/latex style)

    if line =~ /^\s*#/ || line =~ /^\s*--/ || line =~ /^\s*%/
      # skip komments and do NOT copy to result (keep comments secret!)
      logger.debug "[#{line_no}] add comment line >#{line}<"
      new_text << line
      next
    end

    if line =~ /^\s*$/ 
      # kommentar oder leerzeile überspringen 
      logger.debug "[#{line_no}] add blank line >#{line}<"
      new_text << line
      next
    end

    ## do nothing for now
    if line =~ SCORES_REGEX
      ## patch scores format
      logger.debug "** found scores >#{line}<"

      new_line = line.dup
      new_line.gsub!( SCORES_REGEX ) do |m|
        logger.debug " match: >#{m}<  : #{m.class.name}"

        old_scores = m
        ## todo: how to use named captures? possible?
        new_scores = "#{$1}:#{$2}"

        change_log << [line_no, "changed >#{old_scores}< to >#{new_scores}< in >#{line}<"]

        new_scores
      end

      logger.debug "[#{line_no}] add patched line >#{new_line}<"
      new_text << new_line
    else
      logger.debug "[#{line_no}] add >#{line}<"
      new_text << line
    end
  end # each lines

  [new_text, change_log]
end