Public class methods
This method returns the contents of file_name, after expanding all embedded Ruby in the file with ERB. This can be used to “include” an erb file from within another erb file.
- The name of the file to process
The contents of file_name, after expanding all embedded Ruby in the file with ERB.
# File lib/erbextensions.rb, line 18 def self.process_file(file_name) # # ERB does not handle being invoked from within an ERB instance well. # In order to make this work, # 1.) Pass binding() into result(), in order that the new ERB # instance will create a local variable binding for 'erbout' # rather than using a top-level binding (which would lead to its # clearing any existing text already expanded by ancestor ERB # instances). This also could be accomplished by using a # unique name instead of 'erbout' (something like Common LISP's # gensym). # 2.) Set erb's filename member, so that paths relative to calling files # (the relative gem) will work properly; this also ensures that # stack trace looks reasonable. # erb = ERB.new(IO.read(file_name), nil, nil, 'erbout') erb.filename = file_name return erb.result(binding()) end