Module: RDig::ContentExtractors::ExternalAppHelper

Included in:
PdfContentExtractor, WordContentExtractor
Defined in:
lib/rdig/content_extractors.rb

Overview

to be used by concrete implementations having a get_content class method that takes a path to a file and return the textual content extracted from that file.

Instance Method Summary collapse

Instance Method Details

#as_file(content) {|file| ... } ⇒ Object

Yields:

  • (file) 


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# File 'lib/rdig/content_extractors.rb', line 65

def as_file(content)
  file = Tempfile.new('rdig')
  file << content
  file.close
  yield file
  file.delete
end

#can_do(content_type) ⇒ Object

setting @available according to presence of external executables in initializer of ContentExtractor is needed to make this work



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# File 'lib/rdig/content_extractors.rb', line 75

def can_do(content_type)
  @available and super(content_type)
end

#process(content) ⇒ Object 



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# File 'lib/rdig/content_extractors.rb', line 57

def process(content)
  result = {}
  as_file(content) do |file|
    result[:content] = get_content(file.path).strip
  end
  result
end