Class: Clamsy::BasePrinter

Inherits:
Object
  • Object
show all
Extended by:
FileSystemSupport
Defined in:
lib/clamsy/base_printer.rb

Direct Known Subclasses

CupsPdfPrinter, JODConverterPrinter

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from FileSystemSupport

file_must_exist!, tmp_file, trash_tmp_files

Class Attribute Details

.config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/clamsy/base_printer.rb', line 12

def config
  @config
end

.subclasses ⇒ Object (readonly)

Returns the value of attribute subclasses.



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# File 'lib/clamsy/base_printer.rb', line 12

def subclasses
  @subclasses
end

Class Method Details

.docs_to_pdf(from_docs, to_pdf) ⇒ Object 



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# File 'lib/clamsy/base_printer.rb', line 14

def docs_to_pdf(from_docs, to_pdf)
  begin
    tmp_ps = tmp_file(File.basename(to_pdf, '.pdf'))
    from_docs.map {|doc| tmp_ps << doc_to_ps_stream(doc.path) }
    tmp_ps.close
    gs_convert(:pdf, tmp_ps.path, to_pdf)
  ensure
    trash_tmp_files
  end
end

.get(name, config) ⇒ Object 



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# File 'lib/clamsy/base_printer.rb', line 25

def get(name, config)
  begin
    require File.join(File.dirname(__FILE__), "#{name}_printer.rb")
    printer = self.subclasses[name.gsub(/[^a-zA-Z0-9]/,'').downcase]
    printer.configure(config) ; printer
  rescue Exception
    raise PrinterNotFoundError.new("Printer '#{name}' cannot be found.")
  end
end