XtendFormatter configuration

[atao]

Use of org.eclipse.xtend.core.formatting2.XtendFormatterPreferenceKeys values are hardcoded inside org.eclipse.xtend.core.formatting2.XtendFormatter.

Is there any XtendFormatter like class with configurable keys?

[Moritz Eysholdt]

hi,

what are you trying to do?

regards,

  Moritz

On 28 Jul 2015, at 14:01, atao <p.m....@gmail.com> wrote:

Use of org.eclipse.xtend.core.formatting2.XtendFormatterPreferenceKeys values are hardcoded inside org.eclipse.xtend.core.formatting2.XtendFormatter.

Is there any XtendFormatter like class with configurable keys?

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[atao]

A Java to Xtend batch converter.

org.eclipse.xtend.core.javaconverter.JavaConverter runs fine but with some issues like:

        source = '''
            package toto;
           
            public class Tata{
                public static void main(String[] args) {
                    System.out.println("Hello!");
                    String msg1 = "toto.tata";
                    String msg2 = msg1.replace("tata", "titi");
                    System.out.println(String.format("msg '%s' ---> %s", msg1, msg2));
                   
                }
            }
        '''

which is converted to:

package toto
class Tata {
    def static void main(String[] args) {
        System.out.println("Hello!") var String msg1="toto.tata"
        var String msg2=msg.replace("tata", "titi")
        System.out.println(String.format("msg '%s' ---> %s", msg1, msg2))
    }
   
}
Saisissez le code ici...

It seems to be a bug, but XtendFormatter corrects it. So it's OK as it is.

But at the end I'd like the same flexibility as under Eclipse, e.g. line after package,  space on each side of equals, ...

Regards

[Moritz Eysholdt]

hi,

I see. You might want to implement something like 

org.eclipse.xtend.ide.javaconverter.ConvertJavaCode.formatXtendCode(IFile, String)

private String formatXtendCode(IFile xtendFile, final String xtendCode) {

try {

XtextResource resource = (XtextResource) createResource(xtendFile, xtendCode);

ITextRegionAccess regionAccess = regionAccessBuilder.get().forNodeModel(resource).create();

FormatterRequest request = new FormatterRequest();

request.setAllowIdentityEdits(false);

request.setTextRegionAccess(regionAccess);

request.setPreferences(TypedPreferenceValues.castOrWrap(cfgProvider.getPreferenceValues(resource)));

List<ITextReplacement> replacements = formatter.format(request);

String formatted = regionAccess.getRewriter().renderToString(replacements);

return formatted;

} catch (Exception e) {

LOG.error("Formatting step canceled due to an exception.", e);

return null;

}

}

The method takes a string, parses it as Xtend code, formats it, and spits out the formatted code again.

Using 

request.setPreferences(TypedPreferenceValues.castOrWrap(cfgProvider.getPreferenceValues(resource)));

you can set your own preferences for formatting. 

Just do something like

val prefs = org.eclipse.xtext.preferences.MapBasedPreferenceValues

prefs.put(org.eclipse.xtend.core.formatting2.XtendFormatterPreferenceKeys.SOME_KEY, my_value);

request.setPreferences(prefs);

cheers,

  Moritz

[atao]

Thank you. It works fine.

Regards

[atao]

Just for the fun, I put a Java to Xtend converter online here: http://j2xconverter-atao60.rhcloud.com

[Sven Efftinge]

it says “service temporarily unavailable”

On 11 Aug 2015, at 09:09, atao <p.m....@gmail.com> wrote:

Just for the fun, I put a Java to Xtend converter online here: http://j2xconverter-atao60.rhcloud.com

[atao]

I'm still struggling with the auto build of Openshift...

The service is working ATM... at least until the next change I'll commit :-C