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Posted to doxia-commits@maven.apache.org by lt...@apache.org on 2007/12/16 21:18:43 UTC

svn commit: r604692 - in /maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src: main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java

Author: ltheussl
Date: Sun Dec 16 12:18:42 2007
New Revision: 604692

URL: http://svn.apache.org/viewvc?rev=604692&view=rev
Log:
[DOXIA-195] Guess a title for the parsed page
Submitted by: Juan F. Codagnone, Christian Nardi

Added:
    maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java   (with props)
Modified:
    maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java

Modified: maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java
URL: http://svn.apache.org/viewvc/maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java?rev=604692&r1=604691&r2=604692&view=diff
==============================================================================
--- maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java (original)
+++ maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/main/java/org/apache/maven/doxia/module/twiki/TWikiParser.java Sun Dec 16 12:18:42 2007
@@ -25,6 +25,7 @@
 import org.apache.maven.doxia.module.twiki.parser.GenericListBlockParser;
 import org.apache.maven.doxia.module.twiki.parser.HRuleBlockParser;
 import org.apache.maven.doxia.module.twiki.parser.ParagraphBlockParser;
+import org.apache.maven.doxia.module.twiki.parser.SectionBlock;
 import org.apache.maven.doxia.module.twiki.parser.SectionBlockParser;
 import org.apache.maven.doxia.module.twiki.parser.TableBlockParser;
 import org.apache.maven.doxia.module.twiki.parser.TextParser;
@@ -34,6 +35,7 @@
 import org.apache.maven.doxia.sink.Sink;
 import org.apache.maven.doxia.util.ByLineReaderSource;
 import org.apache.maven.doxia.util.ByLineSource;
+import org.codehaus.plexus.util.StringUtils;
 
 import java.io.Reader;
 import java.util.ArrayList;
@@ -173,6 +175,15 @@
         }
 
         sink.head();
+        
+        final String title = getTitle( blocks, source ); 
+        if( title != null ) 
+        {
+            sink.title();
+            sink.text( title );
+            sink.title_();
+        }
+        
         sink.head_();
         sink.body();
         for ( Iterator it = blocks.iterator(); it.hasNext(); )
@@ -182,5 +193,52 @@
             block.traverse( sink );
         }
         sink.body_();
+    }
+
+    /**  
+     * Guess a title for the page. It uses the first section that it finds.
+     * If it doesn't find any section tries to get it from 
+     * {@link ByLineReaderSource#getName()}
+     * 
+     * @return a title for a page
+     */
+    public final String getTitle( final List blocks, final ByLineSource source ) 
+    {
+        String title = null;
+        
+        for ( Iterator it = blocks.iterator(); title == null && it.hasNext(); )
+        {
+            final Block block = (Block) it.next();
+            
+            if( block instanceof SectionBlock ) 
+            {
+                final SectionBlock sectionBlock = (SectionBlock) block;
+                title = sectionBlock.getTitle();
+            }
+        }
+        
+        if( title == null ) 
+        {
+            String name = source.getName();
+            if( name != null ) 
+            {
+                name = name.trim();
+                
+                if( name.length() != 0 )
+                {
+                    if(name.endsWith(".twiki")) 
+                    {
+                        title = name.substring( 0, name.length() - 6 );
+                    }
+                    else 
+                    {
+                        title = name;
+                    }
+                }
+            }
+            
+        }
+        
+        return title;
     }
 }

Added: maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java
URL: http://svn.apache.org/viewvc/maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java?rev=604692&view=auto
==============================================================================
--- maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java (added)
+++ maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java Sun Dec 16 12:18:42 2007
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.maven.doxia.module.twiki.parser;
+
+import java.io.Reader;
+import java.io.StringReader;
+
+import org.apache.maven.doxia.module.twiki.TWikiParser;
+import org.apache.maven.doxia.parser.ParseException;
+import org.apache.maven.doxia.util.ByLineReaderSource;
+import org.apache.maven.doxia.util.ByLineSource;
+
+/**
+ * Tests for {@link TWikiParser#getTitle(java.util.List)}
+ * 
+ * 
+ * @author Juan F. Codagnone
+ * @since Nov 10, 2007
+ */
+public class TitleTest extends AbstractBlockTestCase
+{
+
+    public void testSectionTitle() throws Exception 
+    {
+        final ByLineSource source = new ByLineReaderSource( 
+                new StringReader( "---++ Test\n hello world" ) );
+        
+        final TWikiParser twikiParser = new TWikiParser();
+        
+        assertEquals("Test",  twikiParser.getTitle( twikiParser.parse(source),
+                source ) );
+    }
+    
+    public void testNoSectionTitle() throws Exception 
+    {
+        final ByLineSource source = new NamedByLineSource(
+                new ByLineReaderSource( 
+                        new StringReader( "hello world" )), "testpage" );
+        
+        final TWikiParser twikiParser = new TWikiParser();
+        
+        assertEquals("testpage",  twikiParser.getTitle( twikiParser.parse(source),
+                source ) );
+    }
+    
+    public void testNoSectionTwikiExtensionTitle() throws Exception 
+    {
+        final ByLineSource source = new NamedByLineSource(
+                new ByLineReaderSource( 
+                        new StringReader( "hello world" )), "testpage.twiki" );
+        
+        final TWikiParser twikiParser = new TWikiParser();
+        
+        assertEquals("testpage",  twikiParser.getTitle( twikiParser.parse(source),
+                source ) );
+    }
+    
+}
+
+class NamedByLineSource implements ByLineSource  
+{
+    /** reader */
+    private final ByLineReaderSource reader;
+    /** reader's name */
+    private final String name;
+
+    public NamedByLineSource( final ByLineReaderSource reader, final String name )
+    {
+        if( reader == null || name == null ) {
+            throw new IllegalArgumentException("null arguments are not allowed");
+        }
+        
+        this.reader = reader;
+        this.name = name;
+    }
+
+    /** @see ByLineReaderSource#close() */
+    public final void close() 
+    {
+        reader.close();
+    }
+
+    /** @see ByLineReaderSource#getLineNumber() */
+    public final int getLineNumber() 
+    {
+        return reader.getLineNumber();
+    }
+
+    /** @see ByLineReaderSource#getName() */
+    public final String getName() 
+    {
+        return name;
+    }
+
+    /** @see ByLineReaderSource#getNextLine() */
+    public final String getNextLine() throws ParseException 
+    {
+        return reader.getNextLine();
+    }
+
+
+    /** @see ByLineReaderSource#unget(java.lang.String) */
+    public final void unget( final String s ) throws IllegalStateException 
+    {
+        reader.unget(s);
+    }
+
+    /** @see ByLineReaderSource#ungetLine() */
+    public final void ungetLine() throws IllegalStateException 
+    {
+        reader.ungetLine();
+    }
+}
\ No newline at end of file

Propchange: maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java
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Propchange: maven/doxia/doxia/trunk/doxia-modules/doxia-module-twiki/src/test/java/org/apache/maven/doxia/module/twiki/parser/TitleTest.java
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