# 
# Part of as2api - http://www.badgers-in-foil.co.uk/projects/as2api/
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#


require 'find'
require 'parse/lexer'  # TODO: remove this requirement
require 'api_loader'



class NullProgressListener
  def parsing_sources(total_files)
    yield
  end

  def parse_source(file_number, file_name)
  end

  def generating_pages(total_pages)
    yield
  end

  def generate_page(file_number, file_name)
  end
end

BOM = "\357\273\277"

# Look for a byte-order-marker in the first 3 bytes of io.
# Eats the BOM and returns true on finding one; rewinds the stream to its
# start and returns false if none is found.
def detect_bom?(io)
  return true if io.read(3) == BOM
  io.seek(0)
  false
end


# lists the .as files in 'path', and it's subdirectories
def each_source(path)
  path = path.sub(/\/+$/, "")
  Find.find(path) do |f|
    base = File.basename(f)
    # Ignore anything named 'CVS', or starting with a dot
    Find.prune if base =~ /^\./ || base == "CVS"
    if base =~ /\.as$/
      yield f[path.length+1, f.length]
    end
  end
end