Module: SimpleImporter

Defined in:
lib/simple_importer.rb

Constant Summary collapse

VERSION =

:stopdoc:

'1.0.1'
LIBPATH = 
::File.expand_path(::File.dirname(__FILE__)) + ::File::SEPARATOR
PATH = 
::File.dirname(LIBPATH) + ::File::SEPARATOR

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.libpath(*args) ⇒ Object

Returns the library path for the module. If any arguments are given, they will be joined to the end of the libray path using File.join.



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# File 'lib/simple_importer.rb', line 67

def self.libpath( *args )
  args.empty? ? LIBPATH : ::File.join(LIBPATH, *args)
end

.path(*args) ⇒ Object

Returns the lpath for the module. If any arguments are given, they will be joined to the end of the path using File.join.



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# File 'lib/simple_importer.rb', line 75

def self.path( *args )
  args.empty? ? PATH : ::File.join(PATH, *args)
end

.require_all_libs_relative_to(fname, dir = nil) ⇒ Object

Utility method used to rquire all files ending in .rb that lie in the directory below this file that has the same name as the filename passed in. Optionally, a specific directory name can be passed in such that the filename does not have to be equivalent to the directory.



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# File 'lib/simple_importer.rb', line 84

def self.require_all_libs_relative_to( fname, dir = nil )
  dir ||= ::File.basename(fname, '.*')
  search_me = ::File.expand_path(
      ::File.join(::File.dirname(fname), dir, '**', '*.rb'))

  Dir.glob(search_me).sort.each {|rb| require rb}
end

.version ⇒ Object

Returns the version string for the library.



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# File 'lib/simple_importer.rb', line 59

def self.version
  VERSION
end

Instance Method Details

#csv(path, *args, &block) ⇒ Object 



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# File 'lib/simple_importer.rb', line 16

def csv(path, *args, &block)
  file(path) do |f|
    parsed_file = CSV::Reader.parse(f)
    process_rows(parsed_file, !args.empty?, &block)
  end
end

#file(path) {|file| ... } ⇒ Object

Yields:



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# File 'lib/simple_importer.rb', line 10

def file(path)
  file = File.open(path)
  yield file if block_given?
  file.close
end

#process_rows(parsed_file, ignore_header, &block) ⇒ Object 



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# File 'lib/simple_importer.rb', line 30

def process_rows(parsed_file, ignore_header, &block)
  parsed_file.shift if ignore_header
  parsed_file.each do |row|    
    row.each {|v| v.trim! if v.respond_to? :trim! }
    yield row if block_given?
  end
end

#run(reset_flag = false) ⇒ Object 



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# File 'lib/simple_importer.rb', line 46

def run(reset_flag = false)
  reset if reset_flag && respond_to?(:reset)
  import
end

#tsv(path, *args, &block) ⇒ Object 



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# File 'lib/simple_importer.rb', line 23

def tsv(path, *args, &block)
  file(path) do |f|
    parsed_file = CSV::Reader.parse(f, "\t")
    process_rows(parsed_file, !args.empty?, &block)
  end
end

#xml(path) ⇒ Object 



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# File 'lib/simple_importer.rb', line 38

def xml(path)
  require 'hpricot' unless defined? Hpricot
  file(path) do |f|
    doc = Hpricot(f)
    yield doc if block_given?
  end
end