128 lines
3.7 KiB
XML
128 lines
3.7 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!--
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Copyright (C) 2015 LoVullo Associates, Inc.
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This file is part of tame-core.
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tame-core is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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-->
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<!--
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Brings c:case statements to life
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The problem with cases is that they are so verbose for simple cases. This
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makes simple cases simple.
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-->
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<package xmlns="http://www.lovullo.com/rater"
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xmlns:c="http://www.lovullo.com/calc"
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xmlns:t="http://www.lovullo.com/rater/apply-template"
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core="true"
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desc="Mapping templates/functions">
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<template name="_map-set_" desc="Map a set of values">
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<param name="@name@" desc="Param name" />
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<param name="@index@" desc="Index" />
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<param name="@values@" desc="Criteria (map nodes)" />
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<param name="@label@" desc="Case statement label">
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<!-- default empty -->
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<text></text>
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</param>
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<param name="@default@" desc="Default value" />
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<c:cases label="@label@">
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<param-copy name="@values@">
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<param-meta name="map_param" value="@name@" />
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<param-meta name="map_index" value="@index@" />
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</param-copy>
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<!-- TODO: allow setting default via @default or t:default or something
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(or both) -->
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<if name="@default@">
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<c:otherwise>
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<c:const value="@default@" type="integer" desc="No mapping" />
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</c:otherwise>
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</if>
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</c:cases>
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</template>
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<template name="_map_" desc="Map criteria">
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<param name="@from@" desc="Value to map from" />
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<param name="@value@" desc="Constant to map to" />
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<param name="@to@" desc="Named value (use instead of @value@)" />
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<param name="@type@" desc="Constant value type">
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<text>float</text>
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</param>
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<param name="@desc@" desc="Map description">
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<text>Destination mapping</text>
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</param>
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<!-- set by parent map-set -->
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<param name="@name@" desc="Param name">
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<param-inherit meta="map_param" />
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</param>
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<param name="@index@" desc="Index">
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<param-inherit meta="map_index" />
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</param>
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<c:case>
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<!-- index provided -->
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<if name="@index@">
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<c:when name="@name@" index="@index@">
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<c:eq>
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<c:value-of name="@from@" />
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</c:eq>
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</c:when>
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</if>
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<!-- no index provided -->
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<unless name="@index@">
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<c:when name="@name@">
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<c:eq>
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<c:value-of name="@from@" />
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</c:eq>
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</c:when>
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</unless>
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<if name="@value@">
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<c:const value="@value@" type="@type@" desc="@desc@" />
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</if>
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<unless name="@value@">
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<!-- TODO: index support -->
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<c:value-of name="@to@" />
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</unless>
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</c:case>
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</template>
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<template name="_map-else_" desc="Non-matching map criteria">
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<param name="@value@" desc="Constant to map to" />
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<param name="@to@" desc="Named value (use instead of @value@)" />
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<c:otherwise>
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<if name="@value@">
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<c:const value="@value@" type="float" desc="@desc@" />
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</if>
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<unless name="@value@">
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<!-- TODO: index support -->
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<c:value-of name="@to@" />
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</unless>
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</c:otherwise>
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</template>
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</package>
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