Method: TemplateExpander#expand

Defined in:
lib/HDLRuby/template_expander.rb

#expand(str, res = "") ⇒ Object

Apply the expander to +str+ and put the result in +res+.



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# File 'lib/HDLRuby/template_expander.rb', line 41

def expand(str,res = "")
    # Ensure the default rule is properly set up.
    self.finalize
    # Scan the string with each rule.
    scanner = StringScanner.new(str)
    until scanner.eos? do
        @rules.find do |rule|
            scanned = scanner.scan(rule.match)
            if scanned then
                res << rule.action.call(scanned)
            else
                false
            end
        end
        res << scanner.scan_until(@skip)
    end
    return res
end