Class: Teapot::Extractors::PreprocessorExtractor

Inherits:
Graph::Extractor show all
Defined in:
lib/teapot/extractors/preprocessor_extractor.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Graph::Extractor

#call

Constructor Details

#initialize(patterns, roots = []) ⇒ PreprocessorExtractor

Returns a new instance of PreprocessorExtractor.



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# File 'lib/teapot/extractors/preprocessor_extractor.rb', line 39

def initialize(patterns, roots = [])
  super patterns
  
  @roots = roots
end

Class Method Details

.include_directories(flags) ⇒ Object 



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# File 'lib/teapot/extractors/preprocessor_extractor.rb', line 26

def self.include_directories(flags)
  roots = []

  # Extract include directories:
  flags.each do |option|
    if option.to_s =~ /^-I(.+)/
      roots << Pathname($1)
    end
  end

  return roots
end

Instance Method Details

#extract(path) ⇒ Object 



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# File 'lib/teapot/extractors/preprocessor_extractor.rb', line 45

def extract(path)
  local_root = Pathname(path).dirname

  File.open(path).each do |line|
    if line =~ /\#(?:include|import) "(.*?)"/
      path = local_root + $1
    
      yield path if path.exist?
    elsif line =~ /\#(?:include|import) \<(.*?)\>/
      path = @roots.collect{|root| root+$1}.find{|path| path.exist?}
    
      yield path if path
    end
  end
end