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Mutually recursive calling

From: Innovimax SARL <innovimax@gmail.com>
Date: Mon, 6 Oct 2008 19:08:19 +0200
Message-ID: <546c6c1c0810061008x2d34bc2em89ad5b15cac0e3b9@mail.gmail.com>
To: "XProc WG" <public-xml-processing-model-wg@w3.org>
Dear,

Not sure why, but it is hard to find evidence in the spec that the following
sample should work (albeit I *do* want to see it work !)

<p:pipeline xmlns:p="http://www.w3.org/ns/xproc" xmlns:ix="
http://www.innovimax.fr/xproc/ns">
    <p:declare-step name="recursive" type="ix:step">
        <p:input port="source"/>
        <p:output port="result"/>
        <p:option name="level"/>
        <p:choose>
            <p:when test="number($level) = 0">
                <p:identity/>
            </p:when>
            <p:otherwise>
                <ix:step2>
                    <p:with-option name="level" select="number($level) -
1"/>
                </ix:step2>
            </p:otherwise>
        </p:choose>
    </p:declare-step>
    <p:declare-step name="recursive" type="ix:step2">
        <p:input port="source"/>
        <p:output port="result"/>
        <p:option name="level"/>
        <p:choose>
            <p:when test="number($level) = 0">
                <p:identity/>
            </p:when>
            <p:otherwise>
                <ix:step>
                    <p:with-option name="level" select="number($level) -
1"/>
                </ix:step>
            </p:otherwise>
        </p:choose>
    </p:declare-step>
    <ix:step level="10"/>
</p:pipeline>

Mohamed

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Received on Monday, 6 October 2008 17:08:55 GMT

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