Class: PDD::Source

Inherits:
Object
  • Object
show all
Defined in:
lib/pdd/source.rb

Overview

Source.

Instance Method Summary collapse

Constructor Details

#initialize(file, path) ⇒ Source

Ctor.

file

Absolute file name with source code

path

Path to show (without full file name)



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# File 'lib/pdd/source.rb', line 32

def initialize(file, path)
  @file = file
  @path = path
end

Instance Method Details

#puzzles ⇒ Object

Fetch all puzzles.



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# File 'lib/pdd/source.rb', line 38

def puzzles
  PDD.log.info "Reading #{@path}..."
  puzzles = []
  lines = File.readlines(@file, encoding: 'UTF-8')
  lines.each_with_index do |line, idx|
    begin
      /[^\s]\x40todo/.match(line) do |_|
        raise Error, "\x40todo must have a leading space to become \
a puzzle, as this page explains: https://github.com/yegor256/pdd#how-to-format"
      end
      /\x40todo(?!\s+#)/.match(line) do |_|
        raise Error, "\x40todo found, but puzzle can't be parsed, \
most probably because \x40todo is not followed by a puzzle marker, \
as this page explains: https://github.com/yegor256/pdd#how-to-format"
      end
      /\x40todo\s+#\s/.match(line) do |_|
        raise Error, "\x40todo found, but there is an unexpected space \
after the hash sign, it should not be there, \
see https://github.com/yegor256/pdd#how-to-format"
      end
      %r{(.*(?:^|\s))\x40todo\s+#([\w\-\.:/]+)\s+(.+)}.match(line) do |m|
        puzzles << puzzle(lines.drop(idx + 1), m, idx)
      end
    rescue Error, ArgumentError => ex
      raise Error, "puzzle at line ##{idx + 1}; #{ex.message}"
    end
  end
  puzzles
end