Examples with TemplateBuffer org.eclipse.jface.text.templates.TemplateBuffer used on opensource projects

Example 31 with TemplateBuffer

use of org.eclipse.jface.text.templates.TemplateBuffer in project eclipse.jdt.ls by eclipse.

the class SnippetCompletionProposal method evaluateGenericTemplate.

public static String evaluateGenericTemplate(ICompilationUnit cu, CompletionContext completionContext, Template template) {
    JavaContextType contextType = (JavaContextType) JavaLanguageServerPlugin.getInstance().getTemplateContextRegistry().getContextType(JavaContextType.ID_STATEMENTS);
    char[] completionToken = completionContext.getToken();
    if (contextType == null || completionToken == null) {
        return null;
    }
    TemplateBuffer buffer = null;
    try {
        IDocument document = new Document(cu.getSource());
        DocumentTemplateContext javaContext = contextType.createContext(document, completionContext.getOffset(), completionToken.length, cu);
        buffer = javaContext.evaluate(template);
    } catch (JavaModelException | BadLocationException | TemplateException e) {
        JavaLanguageServerPlugin.logException(e.getMessage(), e);
        return null;
    }
    if (buffer == null) {
        return null;
    }
    String content = buffer.getString();
    if (Strings.containsOnlyWhitespaces(content)) {
        return null;
    }
    return content;
}

Example 32 with TemplateBuffer

use of org.eclipse.jface.text.templates.TemplateBuffer in project xtext-eclipse by eclipse.

the class XtextTemplateContext method evaluate.

@Override
public TemplateBuffer evaluate(Template template) throws BadLocationException, TemplateException {
    if (!canEvaluate(template))
        return null;
    TemplateTranslator translator = createTemplateTranslator();
    TemplateBuffer buffer = translator.translate(template);
    getContextType().resolve(buffer, this);
    return buffer;
}

Example 33 with TemplateBuffer

use of org.eclipse.jface.text.templates.TemplateBuffer in project xtext-eclipse by eclipse.

the class XtextTemplateContextTest method assertTemplateBuffer.

protected void assertTemplateBuffer(String expectation, String document, int offset, String pattern) {
    Template template = new Template("", "", "", pattern, false);
    this.document.set(document);
    this.position.setOffset(offset);
    try {
        TemplateBuffer buffer = testMe.evaluate(template);
        assertEquals(expectation, buffer.getString());
    } catch (BadLocationException e) {
        e.printStackTrace();
        fail("Unexpected bad location expection: " + e);
    } catch (TemplateException e) {
        e.printStackTrace();
        fail("Unexpected template expection: " + e);
    }
}

Example 34 with TemplateBuffer

use of org.eclipse.jface.text.templates.TemplateBuffer in project che by eclipse.

the class TemplateProposal method getAdditionalProposalInfo.

/*
	 * @see ICompletionProposal#getAdditionalProposalInfo()
	 */
public String getAdditionalProposalInfo() {
    try {
        fContext.setReadOnly(true);
        TemplateBuffer templateBuffer;
        try {
            templateBuffer = fContext.evaluate(fTemplate);
        } catch (TemplateException e) {
            return null;
        }
        IDocument document = new Document(templateBuffer.getString());
        IndentUtil.indentLines(document, new LineRange(0, document.getNumberOfLines()), null, null);
        StringBuffer buffer = new StringBuffer();
        HTMLPrinter.insertPageProlog(buffer, 0, JavadocFinder.getStyleSheet());
        HTMLPrinter.addParagraph(buffer, document.get());
        HTMLPrinter.addPageEpilog(buffer);
        return buffer.toString();
    } catch (BadLocationException e) {
        //			handleException(
        //					JavaPlugin.getActiveWorkbenchShell(), new CoreException(new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, "", e))); //$NON-NLS-1$
        JavaPlugin.log(e);
        return null;
    }
}

Example 35 with TemplateBuffer

use of org.eclipse.jface.text.templates.TemplateBuffer in project che by eclipse.

the class CodeTemplateContext method evaluate.

/*
	 * @see org.eclipse.jdt.internal.corext.template.TemplateContext#evaluate(org.eclipse.jdt.internal.corext.template.Template)
	 */
@Override
public TemplateBuffer evaluate(Template template) throws BadLocationException, TemplateException {
    // test that all variables are defined
    Iterator<TemplateVariableResolver> iterator = getContextType().resolvers();
    while (iterator.hasNext()) {
        TemplateVariableResolver var = iterator.next();
        if (var instanceof CodeTemplateContextType.CodeTemplateVariableResolver) {
            //$NON-NLS-1$ //$NON-NLS-2$
            Assert.isNotNull(getVariable(var.getType()), "Variable " + var.getType() + "not defined");
        }
    }
    if (!canEvaluate(template))
        return null;
    String pattern = changeLineDelimiter(template.getPattern(), fLineDelimiter);
    TemplateTranslator translator = new TemplateTranslator();
    TemplateBuffer buffer = translator.translate(pattern);
    getContextType().resolve(buffer, this);
    return buffer;
}