tame/core/when.xml

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<?xml version="1.0"?>
<!--
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Copyright (C) 2014-2021 Ryan Specialty Group, LLC.
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This file is part of tame-core.
tame-core is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<package xmlns="http://www.lovullo.com/rater"
xmlns:c="http://www.lovullo.com/calc"
xmlns:t="http://www.lovullo.com/rater/apply-template"
core="true"
desc="When Matching">
<import package="base" />
This package deals with matching in calculations (such as case statements
or values);
for classifications, see \tt{vector/cmatch}.
<inline-template>
<for-each>
<set cmp="eq" />
<set cmp="ne" />
<set cmp="gt" />
<set cmp="gte" />
<set cmp="lt" />
<set cmp="lte" />
</for-each>
<template name="_when-{@cmp@}_" desc="Value predicate {@cmp@}">
<param name="@name@" desc="Name to assert against" />
<param name="@index@" desc="Name index (optional)">
<text></text>
</param>
<!-- former exists only for consistency with cmatch templates and will
produce an error -->
<param name="@const@" desc="Match against constant value" />
<param name="@value@" desc="Match against variable" />
<param name="@value_index@" desc="Value index (optional)">
<text></text>
</param>
<if name="@const@">
<error>
@const@ is deprecated; use @value@ with a #-prefix instead.
</error>
</if>
<c:when name="@name@" index="@index@">
<dyn-node name="c:{@cmp@}">
<c:value-of name="@value@" index="@value_index@" />
</dyn-node>
</c:when>
</template>
</inline-template>
</package>