Class: Markdown::Gen

Inherits:
Object
  • Object
show all
Includes:
TextUtils::Filter
Defined in:
lib/markdown/cli/gen.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger, opts) ⇒ Gen

Returns a new instance of Gen.



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# File 'lib/markdown/cli/gen.rb', line 10

def initialize( logger, opts )
  @logger = logger
  @opts   = opts
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/markdown/cli/gen.rb', line 7

def logger
  @logger
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/markdown/cli/gen.rb', line 8

def opts
  @opts
end

Instance Method Details

#create_doc(fn) ⇒ Object 



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# File 'lib/markdown/cli/gen.rb', line 15

def create_doc( fn )
  dirname  = File.dirname(  fn )
  basename = File.basename( fn, '.*' )
  extname  = File.extname(  fn )

  logger.debug "dirname=#{dirname}, basename=#{basename}, extname=#{extname}"

  if opts.output_path == '.'
    # expand output path in current dir
    outpath = File.expand_path( dirname ) 
  else
    # expand output path in user supplied dir and make sure output path exists
    outpath = File.expand_path( opts.output_path ) 
    FileUtils.makedirs( outpath ) unless File.directory? outpath 
  end
  logger.debug "outpath=#{outpath}"
  
  # todo: add a -c option to commandline? to let you set cwd?


  # change working dir to sourcefile dir (that is, dirname); push working folder/dir
  newcwd  = File.expand_path( dirname )
  oldcwd  = File.expand_path( Dir.pwd )

  unless newcwd == oldcwd
    logger.debug "oldcwd=>#{oldcwd}<, newcwd=>#{newcwd}<"
    Dir.chdir( newcwd )
  end  

  inname  = "#{basename}#{extname}"
  outname = "#{basename}.html"
  
  logger.debug "inname=#{inname}, outname=#{outname}"
  
  puts "*** #{inname} (#{dirname}) => #{outname} (#{(opts.output_path == '.') ? dirname : opts.output_path})..."
  
  content = File.read( inname )
  
  # step 1) run (optional) preprocessing text filters
  Markdown.filters.each do |filter|
    mn = filter.tr( '-', '_' ).to_sym  # construct method name (mn)
    content = send( mn, content )   # call filter e.g.  include_helper_hack( content )  
  end

  # step 2) convert light-weight markup to hypertext
  content = Markdown.new( content ).to_html


## todo: add Markdown.lib_options inspect/dump to banner
        
  banner =<<EOS
<!-- ======================================================================
  generated by #{Markdown.banner}
            on #{Time.now} with Markdown engine '#{Markdown.lib}'
 ====================================================================== -->
EOS
  
  out = File.new( File.join( outpath, outname ), "w+" )
####      out << banner
  out << content
  out.flush
  out.close

  ## pop/restore working folder/dir
  unless newcwd == oldcwd
    logger.debug "oldcwd=>#{oldcwd}<, newcwd=>#{newcwd}<"
    Dir.chdir( oldcwd )
  end  
        
end