Fix chain parent handling

Author: fugerit79

fj-doc-freemarker/src/main/java/org/fugerit/java/doc/freemarker/tool/LegacyConfigRead.java

@@ -5,6 +5,7 @@
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
+import org.fugerit.java.core.lang.helpers.StringUtils;
 import org.fugerit.java.doc.freemarker.config.FreeMarkerProcessStep;
 import org.fugerit.java.doc.freemarker.process.FreemarkerDocProcessConfigFacade;
 import org.fugerit.java.doc.freemarker.tool.model.ChainModel;
@@ -31,8 +32,12 @@ public static ConfigModel readConfig( InputStream is ) throws Exception {
 		for ( int k=0; k<chainTagList.getLength(); k++ ) {
 			Element currentChainTag = (Element) chainTagList.item( k );
 			String chainId = currentChainTag.getAttribute( "id" );
+			String extendsAtt = currentChainTag.getAttribute( "extends" );
 			log.info( "current chain id {}", chainId );
 			ChainModel chainModel = new ChainModel(chainId);
+			if ( StringUtils.isNotEmpty( extendsAtt ) ) {
+				chainModel.setParent( extendsAtt );
+			}
 			configModel.getChainList().add(chainModel);
 			NodeList stepTagList = currentChainTag.getElementsByTagName( "step" );
 			for ( int i=0; i<stepTagList.getLength(); i++ ) {

fj-doc-freemarker/src/main/java/org/fugerit/java/doc/freemarker/tool/model/ChainModel.java

@@ -15,6 +15,8 @@ public class ChainModel implements Serializable {
 
 	private String id;
 
+	private String parent;
+	
 	public ChainModel( String id ) {
 		this.setId( id );
 		this.stepList = new ArrayList<>();

fj-doc-freemarker/src/main/resources/fj_doc_freemarker_config/template/freemarker-doc-process-config-stub.ftl

@@ -5,7 +5,7 @@
     xsi:schemaLocation="https://freemarkerdocprocess.fugerit.org https://www.fugerit.org/data/java/doc/xsd/freemarker-doc-process-1-0.xsd" > 	
 
 	<!--
-		Configuration stub version : 002 (2023-07-18)
+		Configuration stub version : 003 (2023-07-19)
 	-->
 
 	<#assign stubHandler=stubParams['stub-handler']!'1'>
@@ -109,7 +109,7 @@
 
 	<#if (configModel)??>
 		<#list configModel.chainList as chainModel>
-	<docChain id="${chainModel.id}">
+	<docChain id="${chainModel.id}"<#if (chainModel.parent)??> parent="${chainModel.parent}"</#if>>
 			<#list chainModel.stepList as stepModel>
 		<chainStep stepType="${stepModel.type}"<#if stepModel.type == 'complex'><#list stepModel.attNames as currentAttName> ${currentAttName}="${stepModel.atts[currentAttName]}"</#list></#if>>
 			<#if stepModel.type == 'map'>
@@ -122,6 +122,10 @@
 				${currentAttName}="${stepModel.atts[currentAttName]}"
 				</#list>
 			/>
+			<#elseif stepModel.type == 'function'>
+			<#list stepModel.attNames as currentAttName>
+			<function name="${currentAttName}" value="${stepModel.atts[currentAttName]}"/>
+			</#list>			
 			<#elseif stepModel.type == 'complex'>
 			<#else>
 			<!-- custom step, additional configuration may be needed -->