root/trunk/schemas/units.rng

<?xml version="1.0" encoding="UTF-8"?>
<rng:grammar ns="http://neuralensemble.org/FacetsML/units"
  xmlns:rng="http://relaxng.org/ns/structure/1.0"
  xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0"
  datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
   
    <rng:define name="time_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>ms</rng:value>
                <rng:value>s</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_time_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="time_unit"/>
        </rng:list>
    </rng:define>
    
    <rng:define name="voltage_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>mV</rng:value>
                <rng:value>V</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_voltage_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="voltage_unit"/>
        </rng:list>
    </rng:define>
    
    <rng:define name="capacitance_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>nF</rng:value>
                <rng:value>mF</rng:value>
                <rng:value>F</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_capacitance_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="capacitance_unit"/>
        </rng:list>
    </rng:define>
    
    <rng:define name="current_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>nA</rng:value>
                <rng:value>mA</rng:value>
                <rng:value>A</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_current_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="current_unit"/>
        </rng:list>
    </rng:define>
    
    <rng:define name="conductance_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>nS</rng:value>
                <rng:value>mS</rng:value>
                <rng:value>S</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_conductance_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="conductance_unit"/>
        </rng:list>
    </rng:define>
    
    <rng:define name="frequency_unit">
        <rng:optional>
            <rng:choice>
                <rng:value>Hz</rng:value>
                <rng:value>mHz</rng:value>
                <rng:value>kHz</rng:value>
            </rng:choice>
        </rng:optional>
    </rng:define>
    
    <rng:define name="float_frequency_unit">
        <rng:list>
            <rng:data type="float"/>
            <rng:ref name="frequency_unit"/>
        </rng:list>
    </rng:define>
    
</rng:grammar>