Module: OpenWFE::ValueMixin

Included in:
EvalExpression, LogExpression, PrintExpression, RestoreWorkItemExpression, RevalExpression, SetValueExpression, UnsetValueExpression
Defined in:
lib/openwfe/expressions/value.rb

Overview

A small mixin providing value for looking up the attributes variable/var/v and field/fld/f.

Instance Method Summary collapse

Instance Method Details

#apply(workitem) ⇒ Object

Expressions that include the ValueMixin let it gather values and then, in their reply() methods do the job with the values. The gathering task is performed by the ValueMixin.



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# File 'lib/openwfe/expressions/value.rb', line 53

def apply (workitem)

    escape = lookup_boolean_attribute('escape', workitem, false)

    if @children.length < 1

        workitem.attributes[FIELD_RESULT] =
            lookup_value workitem, :escape => escape

        reply workitem
        return
    end

    child = @children[0]

    if child.kind_of?(OpenWFE::FlowExpressionId)

        handle_child child, workitem
        return
    end

    workitem.attributes[FIELD_RESULT] =
        fetch_text_content workitem, escape

    reply workitem
end

#lookup_field_attribute(workitem) ⇒ Object 



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# File 'lib/openwfe/expressions/value.rb', line 85

def lookup_field_attribute (workitem)

    lookup [ "field", "fld", "f" ], workitem
end

#lookup_variable_attribute(workitem) ⇒ Object 



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# File 'lib/openwfe/expressions/value.rb', line 80

def lookup_variable_attribute (workitem)

    lookup [ "variable", "var", "v" ], workitem
end