/alps/pcitool

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

 <xsd:include schemaLocation="types.xsd"/>

 <xsd:element name="model">

    <xsd:complexType>

      <xsd:choice minOccurs="1" maxOccurs="unbounded">

        <xsd:element name="bank" type="pcilib_bank_t" minOccurs="0" maxOccurs="unbounded" />

        <xsd:element name="transform" type="pcilib_transform_view_t" minOccurs="0" maxOccurs="unbounded" />

        <xsd:element name="enum" type="pcilib_enum_view_t" minOccurs="0" maxOccurs="unbounded">

            <xsd:key name="pcilib_value_name_key">

                <xsd:selector xpath="name" />

                <xsd:field xpath="@value" />

            </xsd:key>

        </xsd:element>

        <xsd:element name="unit" type="pcilib_unit_t" minOccurs="0" maxOccurs="unbounded">

            <xsd:key name="pcilib_unit_transform_key">

                <xsd:selector xpath="transform" />

                <xsd:field xpath="@unit" />

            </xsd:key>

        </xsd:element>

      </xsd:choice>

    </xsd:complexType>

    <xsd:key name="pcilib_bank_key">

      <xsd:selector xpath="bank" />

      <xsd:field xpath="@name" />

    </xsd:key>

<!-- Currently, we define all registers, banks, views, and units as xsd:ID which prevents them from sharing name anyway.

Currently it seems fine, but later it could turn out too be to strict. Then, we get problem also here as transform[@name]

is ID of view, not register. But how can we restrict transform field to @register only? -->

    <xsd:key name="pcilib_register_key">

      <xsd:selector xpath="bank/register|bank/register/field|transform" />

      <xsd:field xpath="@name|@register" />

    </xsd:key>

    <xsd:key name="pcilib_view_key">

      <xsd:selector xpath="transform|enum" />

      <xsd:field xpath="@name|@path" />

    </xsd:key>

    <xsd:key name="pcilib_unit_key">

      <xsd:selector xpath="unit" />

      <xsd:field xpath="@name" />

    </xsd:key>

    <xsd:keyref name="pcilib_register_view_ref" refer="pcilib_view_key">

      <xsd:selector xpath="bank/register/view|bank/register/field/view" />

      <xsd:field xpath="@view" />

    </xsd:keyref>

<!-- Actually, it is no problem to reference non-existing unit just for informative purposes

    <xsd:keyref name="pcilib_unit_ref" refer="pcilib_unit_key">

      <xsd:selector xpath="transform|enum" />

      <xsd:field xpath="@unit" />

    </xsd:keyref>

-->

 </xsd:element>

</xsd:schema>