/**
* Highlights the specified source and returns the result as an HTML string.
*
* @param file the source file to highlight
* @return the source as an HTML string
* @throws IOException
*/
public final String highlightSource(final InputStream file) throws IOException {
JavaSource source = new JavaSourceParser().parse(new InputStreamReader(file));
JavaSource2HTMLConverter converter = new JavaSource2HTMLConverter();
StringWriter writer = new StringWriter();
JavaSourceConversionOptions options = JavaSourceConversionOptions.getDefault();
options.setShowLineNumbers(true);
options.setAddLineAnchors(true);
converter.convert(source, options, writer);
return writer.toString();
}
/* (non-Javadoc)
* @see de.jwic.sourceviewer.viewer.IObjectViewer#setNavigationElement(de.jwic.sourceviewer.model.NavigationElement)
*/
public void setNavigationElement(NavigationElement element) {
if (element == null) {
htmlCode = "";
return; // direct exit
}
if (false) {
htmlCode = "test";
return;
}
FileElement fe = (FileElement) element;
try {
FileReader reader = new FileReader(fe.getFile());
JavaSource source = new JavaSourceParser().parse(reader);
JavaSource2HTMLConverter converter = new JavaSource2HTMLConverter();
StringWriter writer = new StringWriter();
JavaSourceConversionOptions options = JavaSourceConversionOptions.getDefault();
// options.setShowLineNumbers(true);
converter.convert(source, options, writer);
htmlCode = writer.toString();
reader.close();
} catch (Exception e) {
log.error("Error creating HTML code", e);
htmlCode = "Error creating html code: " + e;
}
}
// TODO Sep 13, 2004 (Markus Gebhard): Convert this into JDemo demos
public static void main(String args[]) throws IOException {
long time0 = System.currentTimeMillis();
JavaSource source = (new JavaSourceParser()).parse(new java.io.File("JavaSourceParser.java"));
long time1 = System.currentTimeMillis();
JavaSource2TeXConverter conn1 = new JavaSource2TeXConverter();
conn1.convert(source, JavaSourceConversionOptions.getDefault(), new StringWriter());
long time2 = System.currentTimeMillis();
JavaSource2HTMLConverter conn2 = new JavaSource2HTMLConverter();
conn2.convert(source, JavaSourceConversionOptions.getDefault(), new StringWriter());
long time3 = System.currentTimeMillis();
System.out.println("Parse: " + (time1 - time0) + "ms");
System.out.println("toTeX: " + (time2 - time1) + "ms");
System.out.println("toHTML: " + (time3 - time2) + "ms");
}
/**
* Converts the parsed source code to HTML by adding color information, adding line breaks and
* replacing characters as needed for HTML. Also adds a table with line numbers etc.
*/
public void convert(JavaSource source, JavaSourceConversionOptions options, BufferedWriter writer)
throws IOException {
if (source == null) {
throw new IllegalStateException(
"Trying to write out converted code without having source set.");
}
writer.write(BLOCK_HEADER);
// 1) Header with filename if available
if (options.isShowFileName() && source.getFileName() != null) {
// TODO: Pretty print file name
}
writer.write("{");
writer.newLine();
writer.write("\\noindent \\ttfamily");
writer.newLine();
int lineCount = source.getLineCount();
int lineNumber = 1;
JavaSourceIterator iterator = source.getIterator();
while (iterator.hasNext()) {
JavaSourceRun run = iterator.getNext();
if (run.isAtStartOfLine() && options.isShowLineNumbers()) {
writeLineNumber(writer, lineNumber++, lineCount);
}
toTeX(run, writer);
if (run.isAtEndOfLine()) {
writer.write("\\\\");
writer.newLine();
}
}
writer.newLine();
writer.write("}");
writer.newLine();
}
private void loadSourceCode(String rawFile) {
try {
InputStream stream =
this.getResources()
.openRawResource(getResources().getIdentifier(rawFile, "raw", getPackageName()));
byte[] buffer = new byte[stream.available()];
while (stream.read(buffer) != -1) ;
stream.close();
JavaSource source = new JavaSourceParser().parse(new String(buffer));
StringWriter writer = new StringWriter();
JavaSource2HTMLConverter converter = new JavaSource2HTMLConverter();
converter.convert(source, JavaSourceConversionOptions.getDefault(), writer);
this.codeVisualizer.loadData(writer.toString(), "text/html", "UTF-8");
} catch (Exception e) {
Log.e("Examples", "Could not read example source.", e);
}
}
public String getDocumentHeader(JavaSourceConversionOptions options, String title) {
return DOCUMENT_HEADER + createFormatDefinition(options.getStyleTable());
}