Class: CloudRailSi::ServiceCode::Format

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudrail_si/servicecode/commands/string/Format.rb

Instance Method Summary collapse

Instance Method Details

#execute(environment, parameters) ⇒ Object 



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# File 'lib/cloudrail_si/servicecode/commands/string/Format.rb', line 10

def execute(environment, parameters)
    Helper.assert(parameters.length >= 3 &&
                  Helper.is_var_address(parameters[0]))
    result_var = parameters[0]
    format = Helper.resolve(environment, parameters[1])
    Helper.assert(Helper.is_string(format))
    element = Helper.resolve(environment, parameters[2])
    Helper.debug() if (parameters[3] == "break")

    res = nil
    case format
    when '%d'
        res = element.to_s
    when '%01x', '%01X'
        res = to_one_char_hex(element)
    when '%02x', '%02X'
        res = to_two_char_hex(element)
    else
        raise Errors::InternalError.new("Format with unsupported parameters attempted")
    end
    environment.set_variable(result_var, res)
end

#get_identifier ⇒ Object 



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# File 'lib/cloudrail_si/servicecode/commands/string/Format.rb', line 6

def get_identifier
    return 'string.format'
end

#to_one_char_hex(element) ⇒ Object 



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# File 'lib/cloudrail_si/servicecode/commands/string/Format.rb', line 33

def to_one_char_hex(element)
    ("%01x" % element).upcase
end

#to_two_char_hex(element) ⇒ Object 



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# File 'lib/cloudrail_si/servicecode/commands/string/Format.rb', line 37

def to_two_char_hex(element)
    # ruby-like sprintf: http://stackoverflow.com/questions/9336550/ruby-sprintf-about-the-2-in-02x
    ("%02x" % element).upcase
end