Class: CodeRay::Scanners::Term

Inherits:
Scanner
  • Object
show all
Defined in:
lib/devcenter/coderay_extensions.rb

Overview

author: Vincent Landgraf <[email protected]> modified by Raul Murciano <[email protected]> licence: GPLv2.1

Instance Method Summary collapse

Instance Method Details

#scan_tokens(tokens, options) ⇒ Object 



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# File 'lib/devcenter/coderay_extensions.rb', line 28

def scan_tokens (tokens, options)
  until eos?
    line = scan(/.*?(\n|\z)/)

    # multiline commands
    while line =~ /\\\n\z/
      line += scan(/.*?(\n|\z)/)
    end

    if line =~ /\A(\s*\$)/ # command
      tokens << [$1, :comment] # prompt
      line = line[($1.size)..-1]

      comment_start = line.rindex('#')
      if comment_start
        command = line[0..comment_start-1]
        unfinished_string = command.count('"').odd?
        if unfinished_string
          tokens << [line, :method]
        else
          comment = line[comment_start..-1]
          tokens << [command, :method] if command
          tokens << [comment, :comment] if comment
        end
      else
        tokens << [line, :method]
      end
    else
      tokens << [line, :string]
    end
    prev = line
  end
  return tokens
end