Class: Repub::App::Builder::BuilderSupport

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/repub/app/builder.rb

Constant Summary

Constants included from Logger

Logger::LOGGER_NORMAL, Logger::LOGGER_QUIET, Logger::LOGGER_VERBOSE

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

#log

Constructor Details

#initialize(options) ⇒ BuilderSupport

Returns a new instance of BuilderSupport.



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# File 'lib/repub/app/builder.rb', line 21

def initialize(options)
  @options = options
end

Instance Attribute Details

#document_path ⇒ Object (readonly)

Returns the value of attribute document_path.



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# File 'lib/repub/app/builder.rb', line 19

def document_path
  @document_path
end

#output_path ⇒ Object (readonly)

Returns the value of attribute output_path.



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# File 'lib/repub/app/builder.rb', line 18

def output_path
  @output_path
end

Instance Method Details

#build(parser) ⇒ Object 



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# File 'lib/repub/app/builder.rb', line 25

def build(parser)
  @parser = parser

  # Initialize Container
  @ocf = Epub::OCF.new
  
  # Initialize Package
  @opf = Epub::OPF.new(@parser.uid)
  @ocf << @opf
  # Default title is the parsed one
  @opf.metadata.title = @parser.title
  # Override metadata values specified in options
  if @options[:metadata]
    @opf.metadata.members.each do |m|
      m = m.to_sym
      # Do not allow to override uid
      next if m == :identifier
      if @options[:metadata][m]
        @opf.metadata[m] = @options[:metadata][m]
        log.debug "-- Setting metadata #{m} to \"#{@opf.metadata[m]}\""
      end
    end
  end
  
  # Initialize TOC
  @ncx = Epub::NCX.new(@parser.uid)
  @opf << @ncx
  @ncx.title = @opf.metadata.title
  @ncx.nav_map.points = @parser.toc

  # Setup output filename and path
  @output_path = File.expand_path(@options[:output_path].if_blank('.'))
  if File.exist?(@output_path) && File.directory?(@output_path)
    @output_path = File.join(@output_path, @opf.metadata.title.gsub(/\s/, '_'))
  end
  @output_path = @output_path +  '.epub'
  log.debug "-- Output path is #{@output_path}"
  
  # Build EPUB
  tmpdir = Dir.mktmpdir(App::name)
  begin
    FileUtils.chdir(tmpdir) do
      copy_and_process_assets
      @ncx.save
      @opf.save
      @ocf.save
      @ocf.zip(@output_path)
    end
  ensure
    # Keep tmp folder if we're going open processed doc in browser
    FileUtils.remove_entry_secure(tmpdir) unless @options[:browser]
  end
  self
end