Examples with ITextRegion org.eclipse.xtext.util.ITextRegion used on opensource projects

Example 6 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-xtend by eclipse.

the class XtendOutlineWithEditorLinker method findNodesInRange.

protected void findNodesInRange(final IOutlineNode input, final ITextRegion selectedTextRegion, final List<IOutlineNode> nodes) {
    final ITextRegion textRegion = input.getFullTextRegion();
    if (((textRegion == null) || textRegion.contains(selectedTextRegion))) {
        nodes.add(input);
    }
    List<IOutlineNode> _children = input.getChildren();
    for (final IOutlineNode child : _children) {
        this.findNodesInRange(child, selectedTextRegion, nodes);
    }
}

Example 7 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-xtend by eclipse.

the class XtendLocationInFileProvider method getSignificantTextRegion.

@Override
public ITextRegion getSignificantTextRegion(EObject element) {
    if (element instanceof RichStringLiteral) {
        ICompositeNode elementNode = findNodeFor(element);
        if (elementNode == null) {
            return ITextRegion.EMPTY_REGION;
        }
        ITextRegion result = ITextRegion.EMPTY_REGION;
        for (INode node : elementNode.getLeafNodes()) {
            if (isHidden(node)) {
                continue;
            }
            EObject grammarElement = node.getGrammarElement();
            if (!(grammarElement instanceof RuleCall)) {
                continue;
            }
            RuleCall ruleCall = (RuleCall) grammarElement;
            ITextRegionWithLineInformation region = node.getTextRegionWithLineInformation();
            int offset = region.getOffset();
            int length = region.getLength();
            if (grammarAccess.getRICH_TEXTRule() == ruleCall.getRule()) {
                offset += 3;
                length -= 6;
            } else if (grammarAccess.getRICH_TEXT_STARTRule() == ruleCall.getRule()) {
                offset += 3;
                length -= 4;
            } else if (grammarAccess.getRICH_TEXT_ENDRule() == ruleCall.getRule()) {
                offset += 1;
                length -= 4;
            } else if (grammarAccess.getRICH_TEXT_INBETWEENRule() == ruleCall.getRule()) {
                offset += 1;
                length -= 2;
            } else if (grammarAccess.getCOMMENT_RICH_TEXT_ENDRule() == ruleCall.getRule()) {
                offset += 2;
                length -= 5;
            } else if (grammarAccess.getCOMMENT_RICH_TEXT_INBETWEENRule() == ruleCall.getRule()) {
                offset += 2;
                length -= 3;
            } else {
                continue;
            }
            result = result.merge(toZeroBasedRegion(new TextRegionWithLineInformation(offset, length, region.getLineNumber(), region.getEndLineNumber())));
        }
        return result;
    }
    return super.getSignificantTextRegion(element);
}

Example 8 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-xtend by eclipse.

the class ValidatingRichStringAcceptor method resetCurrentOffset.

protected void resetCurrentOffset(/* @Nullable */
RichStringLiteral origin) {
    if (root == null)
        root = origin;
    if (origin != null && origin != recent) {
        if (wasCurrentOffset == -1)
            wasCurrentOffset = currentOffset;
        int diff = lastOffsetOfLiteral - currentOffset;
        // no actions are involved, we are interested in the real node
        recent = origin;
        List<INode> featureNodes = NodeModelUtils.findNodesForFeature(origin, XbasePackage.Literals.XSTRING_LITERAL__VALUE);
        if (featureNodes.size() == 1) {
            INode node = featureNodes.get(0);
            ITextRegion textRegion = node.getTextRegion();
            currentOffset = textRegion.getOffset();
            String nodeText = node.getText();
            if (nodeText.endsWith("'''")) {
                lastOffsetOfLiteral = currentOffset + textRegion.getLength() - 3;
            } else if (nodeText.endsWith("''")) {
                lastOffsetOfLiteral = currentOffset + textRegion.getLength() - 2;
            } else if (nodeText.endsWith("'") || nodeText.endsWith("\u00AB")) {
                lastOffsetOfLiteral = currentOffset + textRegion.getLength() - 1;
            }
            if (nodeText.charAt(0) == '\'') {
                currentOffset += 3;
            } else {
                currentOffset += 1;
            }
        }
        currentOffset -= diff;
    }
}

Example 9 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-xtend by eclipse.

the class FlexTokenRegionProviderTest method testTokenRegionContainsRegion.

@Test
public void testTokenRegionContainsRegion() throws Exception {
    String modelAsString = "a1 / /* comment */ b2";
    List<CommonToken> tokens = getTokens(modelAsString);
    for (int length = 0; length < modelAsString.length(); ++length) {
        for (int offset = 0; offset + length < modelAsString.length(); ++offset) {
            ITextRegion tokenRegion = tokenRegionProvider.getTokenRegion(modelAsString, new TextRegion(offset, length));
            // System.out.println(offset + ":" + length + " -> " + tokenRegion);
            CommonToken firstToken = findTokenStartingAt(tokenRegion.getOffset(), tokens);
            assertTrue(firstToken.getStartIndex() <= offset);
            if (tokenRegion.getLength() != 0) {
                CommonToken lastToken = findTokenStopingAt(tokenRegion.getOffset() + tokenRegion.getLength() - 1, tokens);
                assertTrue(lastToken.getStopIndex() >= offset + length - 1);
            }
        }
    }
}

Example 10 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-xtend by eclipse.

the class FlexTokenRegionProviderTest method testTokenMerge.

@Test
public void testTokenMerge() throws Exception {
    String model = "  ";
    ITextRegion tokenRegion = tokenRegionProvider.getTokenRegion(model, new TextRegion(1, 0));
    assertEquals(0, tokenRegion.getOffset());
    assertEquals(2, tokenRegion.getLength());
}