you can use <local> from ant 1.8 onwards.
<local name="target-test-path"/>
<pathconvert property="target-test-path">
<path path="@{test-path}"/>
<chainedmapper>
<flattenmapper/>
<globmapper from="*.xml"
to="build/@{backend}/@{for-ie}/*.js"/>
</chainedmapper>
</pathconvert>
<local name="target-test-path-dir"/>
<dirname property="target-test-path-dir"
file="${target-test-path}"/>
http://ant.apache.org/manual/Tasks/local.html
Peter
On Fri, Aug 20, 2010 at 9:32 PM, Jacob Beard <[email protected]> wrote:
> Hi,
>
> I have a situation where I have a path with a number of path segments, and,
> for each path segment, I need to transform that path segment (presumably
> using a mapper), and then pass the original path segment AND the transformed
> path segment to a macro.
>
> The problem is that it's not clear to me how to transform the path, without
> assigning the transformed path to an immutable property.
>
> The slightly simplified build file is below.
>
> |<?xml version="1.0" encoding="ISO-8859-1"?>
> <project name="scxml-js" basedir="." default="generate-javascript">
> <taskdef resource="net/sf/antcontrib/antcontrib.properties">
> <classpath>
> <pathelement location="${basedir}/lib/build-java/ant-contrib-0.6.jar"
> />
> </classpath>
> </taskdef>
>
> <property name="backends" value="switch,table,state"/>
> <property name="browsers" value="firefox,ie,chrome"/>
> <property name="for-ie" value="is-for-ie,is-not-for-ie"/>
>
> <path id="scxml-tests-xml">
> <pathelement location="test/kitchen_sink/KitchenSink.xml"/>
> <pathelement location="test/kitchen_sink/KitchenSink_dataModule.xml"/>
> <!-- ... -->
> </path>
>
> <!-- the macro call java with specific arguments -->
> <macrodef name="compile-with-scxml-js">
> <attribute name="backend"/>
> <attribute name="test-path"/>
> <attribute name="out-path"/>
>
> <sequential>
> <java classname="org.mozilla.javascript.tools.shell.Main"
> output="@{out-path}">
> <classpath>
> <pathelement location="lib/java/js.jar"/>
> <!-- ... -->
> </classpath>
> <arg value="${basedir}/runner.js"/>
> <arg value="${basedir}"/>
> <arg value="src/javascript/scxml/cgf/main"/>
>
> <arg value="--backe...@{backend}"/>
> <arg value="--beautify"/>
> <arg value="--ie"/>
> <arg value="@{test-path}"/>
> </java>
> </sequential>
> </macrodef>
>
> <!-- run unit and performance tests -->
> <target name="generate-javascript">
>
> <for list="${for-ie}" param="for-ie">
> <sequential>
> <for list="${backends}" param="backend">
> <sequential>
> <for param="test-path">
> <path refid="scxml-tests-xml"/>
> <sequential>
>
> <!-- do some manipulation -->
> <pathconvert property="target-test-path">
> <path path="@{test-path}"/>
> <chainedmapper>
> <flattenmapper/>
> <globmapper from="*.xml"
> to="build/@{backend}/@{for-ie}/*.js"/>
> </chainedmapper>
> </pathconvert>
>
> <dirname property="target-test-path-dir"
> file="${target-test-path}"/>
>
> <echo>${target-test-path}, ${target-test-path-dir}</echo>
>
> <!-- execute some tasks, call a macro -->
>
> <mkdir dir="${target-test-path-dir}"/>
>
> <compile-with-scxml-js-ie
> test-path="@{test-path}"
> backend="@{backend}"
> out-path="${target-test-path}"/>
> </sequential>
> </for>
> </sequential>
> </for>
> </sequential>
> </for>
> </target>
>
> </project>
> |
>
> Because target-test-path and target-test-path-dir will only be assigned to
> once, this will repeatedly echo the following:
> [echo] build/switch/is-for-ie/KitchenSink.js,
> /home/jacob/workspace/gsoc2010/git-scxml-js/scxml-js/build/switch/is-for-ie
>
> I'd appreciate any guidance anyone can offer. Thanks,
>
> Jake
>
> PS: I've also posted this question on Stack Overflow:
> http://stackoverflow.com/questions/3534659/convert-ant-path-without-assigning-to-immutable-property
>
>
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