org.jboss.highlight.renderer.JavaXhtmlRenderer Maven / Gradle / Ivy
/*
* Copyright 2004-2006 Geert Bevin
* Distributed under the terms of either:
* - the common development and distribution license (CDDL), v1.0; or
* - the GNU Lesser General Public License, v2.1 or later
* $Id$
*/
package org.jboss.highlight.renderer;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;
import com.uwyn.jhighlight.highlighter.ExplicitStateHighlighter;
import com.uwyn.jhighlight.highlighter.JavaHighlighter;
import com.uwyn.jhighlight.renderer.XhtmlRenderer;
/**
* Generates highlighted syntax in XHTML from Java source.
*
* @author Geert Bevin (gbevin[remove] at uwyn dot com)
* @author Mark Newton ([email protected])
* @version $Revision$
* @since 1.0
*/
public class JavaXhtmlRenderer extends XhtmlRenderer {
/**
* Transforms source code that's provided through an
* InputStream to highlighted syntax in XHTML and writes it
* back to an OutputStream.
*
* If the highlighting has to become a fragment, no CSS styles will be
* generated.
*
* For complete documents, there's a collection of default styles that will
* be included. It's possible to override these by changing the provided
* jhighlight.properties file. It's best to look at this file
* in the JHighlight archive and modify the styles that are there already.
*
* @param name
* The name of the source file.
* @param in
* The input stream that provides the source code that needs to
* be transformed.
* @param out
* The output stream to which to resulting XHTML should be
* written.
* @param encoding
* The encoding that will be used to read and write the text.
* @param fragment
* true if the generated XHTML should be a fragment;
* or false if it should be a complete page
* @see #highlight(String, String, String, boolean)
* @since 1.0
*/
public void highlight(String name, InputStream in, OutputStream out,
String encoding, boolean fragment) throws IOException {
Reader isr;
Writer osw;
if (null == encoding) {
isr = new InputStreamReader(in);
osw = new OutputStreamWriter(out);
} else {
isr = new InputStreamReader(in, encoding);
osw = new OutputStreamWriter(out, encoding);
}
BufferedReader r = new BufferedReader(isr);
BufferedWriter w = new BufferedWriter(osw);
if (!fragment) {
w.write(getXhtmlHeader(name));
}
StringBuilder buf = new StringBuilder();
int c = 0;
while ((c = r.read()) != -1) {
buf.append((char) c);
}
w.write(buf.toString());
if (!fragment)
w.write(getXhtmlFooter());
w.flush();
w.close();
}
public final static HashMap DEFAULT_CSS = new HashMap() {
/**
*
*/
private static final long serialVersionUID = 6356314719813876066L;
{
put("h1", "font-family: sans-serif; " + "font-size: 16pt; "
+ "font-weight: bold; " + "color: rgb(0,0,0); "
+ "background: rgb(210,210,210); "
+ "border: solid 1px black; " + "padding: 5px; "
+ "text-align: center;");
put("code", "color: rgb(0,0,0); " + "font-family: monospace; "
+ "font-size: 12px; " + "white-space: nowrap;");
put(".java_plain", "color: rgb(0,0,0);");
put(".java_keyword", "color: rgb(0,0,0); " + "font-weight: bold;");
put(".java_type", "color: rgb(0,44,221);");
put(".java_operator", "color: rgb(0,124,31);");
put(".java_separator", "color: rgb(0,33,255);");
put(".java_literal", "color: rgb(188,0,0);");
put(".java_comment", "color: rgb(147,147,147); "
+ "background-color: rgb(247,247,247);");
put(".java_javadoc_comment", "color: rgb(147,147,147); "
+ "background-color: rgb(247,247,247); "
+ "font-style: italic;");
put(".java_javadoc_tag", "color: rgb(147,147,147); "
+ "background-color: rgb(247,247,247); "
+ "font-style: italic; " + "font-weight: bold;");
}
};
protected Map getDefaultCssStyles() {
return DEFAULT_CSS;
}
protected String getCssClass(int style) {
switch (style) {
case JavaHighlighter.PLAIN_STYLE:
return "java_plain";
case JavaHighlighter.KEYWORD_STYLE:
return "java_keyword";
case JavaHighlighter.TYPE_STYLE:
return "java_type";
case JavaHighlighter.OPERATOR_STYLE:
return "java_operator";
case JavaHighlighter.SEPARATOR_STYLE:
return "java_separator";
case JavaHighlighter.LITERAL_STYLE:
return "java_literal";
case JavaHighlighter.JAVA_COMMENT_STYLE:
return "java_comment";
case JavaHighlighter.JAVADOC_COMMENT_STYLE:
return "java_javadoc_comment";
case JavaHighlighter.JAVADOC_TAG_STYLE:
return "java_javadoc_tag";
}
return null;
}
protected ExplicitStateHighlighter getHighlighter() {
JavaHighlighter highlighter = new JavaHighlighter();
JavaHighlighter.ASSERT_IS_KEYWORD = true;
return highlighter;
}
}