tame/core/datetime.xml

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XML

<?xml-stylesheet type="text/xsl" href="summary.xsl"?>
<lv:package
xmlns:lv="http://www.lovullo.com/rater"
xmlns:c="http://www.lovullo.com/calc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.lovullo.com/rater ../rater.xsd"
core="true"
name="core/datetime"
desc="Date and time">
<lv:import package="base" />
<!--
Determines how many years the given date is relative to the current date
Note that a positive number will be returned if the given date is in the past,
negative if in the future.
-->
<lv:template name="_ageYears_" desc="Age in years of the given date relative to the current">
<lv:param name="@generates@" desc="Generator variable, per index" />
<lv:param name="@yearset@" desc="Set of years to iterate on" />
<lv:param name="@sym@" desc="Generator symbol" />
<lv:param name="@when@" desc="Only when this boolean value is true" />
<lv:param name="@default@" desc="Default age when yearset values are empty" />
<lv:param name="@yields@" desc="Variable to yield into">
<lv:text>_</lv:text>
<lv:param-value name="@generates@" />
</lv:param>
<lv:rate yields="@yields@">
<c:sum of="@yearset@" index="k" generates="@generates@" desc="Relative age" sym="@sym@">
<c:cases>
<lv:if name="@when@">
<c:case>
<c:when name="@when@" index="k">
<c:eq>
<c:value-of name="FALSE" />
</c:eq>
</c:when>
<!-- return a default, or 0 if no default is provided -->
<lv:if name="@default@">
<c:value-of name="@default@" index="k" />
</lv:if>
<lv:unless name="@default@">
<c:const value="0" type="integer" desc="Condition not met, but no default" />
</lv:unless>
</c:case>
</lv:if>
<!-- if no @when@, then we'll always do this -->
<c:otherwise>
<c:cases>
<c:case>
<c:when name="@yearset@" index="k">
<c:gt>
<c:const value="0" type="integer" desc="Only calculate difference if a value is available" />
</c:gt>
</c:when>
<c:sum label="Calculate by subtracting the given year from the current year">
<c:value-of name="__DATE_YEAR__" />
<c:product>
<c:value-of name="NEGATE" />
<c:value-of name="@yearset@" index="k" />
</c:product>
</c:sum>
</c:case>
<!-- we don't have a value; just use the default age we were given -->
<lv:if name="@default@">
<c:otherwise>
<c:value-of name="@default@" index="k" />
</c:otherwise>
</lv:if>
</c:cases>
</c:otherwise>
</c:cases>
</c:sum>
</lv:rate>
</lv:template>
</lv:package>