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<project default="help" name="mainbuild">

  <dirname property="ant.file.dir" file="${ant.file.mainbuild}"/>
  <loadproperties srcFile="${ant.file.dir}/build.properties"/>
  <property name="webhelp.include.search.tab" value="true"/>

  <property name="extensions.dir" value="${ant.file.dir}/../extensions"/>

    <path id="classpath">
        <pathelement location="${extensions.dir}/webhelpindexer.jar"/>
	<pathelement location="${extensions.dir}/lucene-analyzers-3.0.0.jar"/>
	<pathelement location="${extensions.dir}/lucene-core-3.0.0.jar"/>
    </path>

  <condition property="perform-validation-dtd">
	<equals arg1="${validate-against-dtd}" arg2="true"/>
  </condition>
  <condition property="do-search-indexing">
	<equals arg1="${webhelp.include.search.tab}" arg2="true"/>
  </condition>

  <target name="validate" if="perform-validation-dtd">
    <xmlvalidate file="${input-xml}" classname="org.apache.xerces.parsers.SAXParser"/>
  </target>

  <target name="chunk" depends="clean">
	
	<mkdir dir="${output-dir}"/>
	<xslt
	  in="${input-xml}"
	  out="${output-dir}/dummy.html"
	  style="${stylesheet-path}"
	  scanincludeddirectories="false"
	  classpath="${xslt-processor-classpath}">
	  <param name="webhelp.include.search.tab" expression="${webhelp.include.search.tab}"
		if="webhelp.include.search.tab"/>
	  <param name="output_file_name" expression="${output_file_name}"/>
	  <param name="webhelp.base.dir" expression="${output-dir}" if="output-dir"/>
	  <param name="webhelp.indexer.language" expression="${webhelp.indexer.language}" if="webhelp.indexer.language"/>
	</xslt>
	
	<delete file="${output-dir}/dummy.html"/>

	<!-- Copy common content such as js files of tree, css etc. to template folder. They will be copied to doc folder. They are NOT page specific! -->
	<copy todir="${output-dir}">
	  <fileset dir="${ant.file.dir}/template">
		<include name="**/*"/>
		<exclude name="**/content/search/**"/>
	  </fileset>
	</copy>

	<!-- Very simple-minded copy to handle the source document's images -->
	<!-- TODO: Look at html help code that produces a manifest file...list of images -->
	<!--       Customize webhelp.xsl to produce ant file to copy images actually used? -->
	<dirname property="input-images-basedir" file="${input-xml}"/>
	<copy todir="${output-dir}/content" failonerror="false">
	  <fileset dir="${input-images-basedir}" includes="${input-images-dirs}" />
	</copy>
  </target>

  <target name="index" if="do-search-indexing">

	<copy todir="${output-dir}">
	  <fileset dir="${ant.file.dir}/template">
		<include name="**/*"/>
		<exclude name="**/content/search/*.props"/>
		<exclude name="**/content/search/stemmers/*"/>
	  </fileset>
	</copy>

	<!-- We separate this out so we only copy the stopwords list and stemmer for the indexer language -->
	<copy todir="${output-dir}">
	  <fileset dir="${ant.file.dir}/template">
		<include name="**/content/search/default.props"/>
		<include name="**/content/search/punctuation.props"/>
		<include name="**/content/search/${webhelp.indexer.language}*.props"/>
		<include name="**/content/search/stemmers/${webhelp.indexer.language}_stemmer.js"/>
	  </fileset>
	</copy>
 
	<taskdef name="indexertask"
	  classname="com.nexwave.nquindexer.IndexerTask">
	  <classpath refid="classpath"/>
	</taskdef>

	<echo>Indexing html files in ${output-dir}/content</echo>

	<indexertask htmldir="${output-dir}/content" indexerLanguage="${webhelp.indexer.language}"/>

	<delete>
	  <fileset dir="${output-dir}/content/search" includes="*.props"/>
	</delete>

  </target>

  <target name="webhelp" depends="validate,chunk,index"/>


  <target name="clean">
	<delete dir="${output-dir}"/>
  </target>

  <target name="help">
	<echo>
Usage:
webhelp:       Generates the document in webhelp format and indexes the content.
clean:         Deletes webhelp output directory.
index:         Indexes the content.
	</echo>
  </target>

</project>
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