Examples with ITextRegionContainer org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer used on opensource projects

Example 41 with ITextRegionContainer

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer in project webtools.sourceediting by eclipse.

the class JSPJavaContentAssistProcessor method computeCompletionProposals.

/**
 * Return a list of proposed code completions based on the specified
 * location within the document that corresponds to the current cursor
 * position within the text-editor control.
 *
 * @param documentPosition
 *            a location within the document
 * @return an array of code-assist items
 */
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentPosition) {
    IndexedRegion treeNode = ContentAssistUtils.getNodeAt(viewer, documentPosition);
    // get results from JSP completion processor
    fJspCompletionProcessor = getJspCompletionProcessor();
    ICompletionProposal[] results = fJspCompletionProcessor.computeCompletionProposals(viewer, documentPosition);
    fErrorMessage = fJspCompletionProcessor.getErrorMessage();
    if (results.length == 0 && (fErrorMessage == null || fErrorMessage.length() == 0)) {
        fErrorMessage = UNKNOWN_CONTEXT;
    }
    IDOMNode xNode = null;
    IStructuredDocumentRegion flat = null;
    if (treeNode instanceof IDOMNode) {
        xNode = (IDOMNode) treeNode;
        flat = xNode.getFirstStructuredDocumentRegion();
        if (flat != null && flat.getType() == DOMJSPRegionContexts.JSP_CONTENT) {
            flat = flat.getPrevious();
        }
    }
    // this is in case it's a <%@, it will be a region container...
    ITextRegion openRegion = null;
    if (flat != null && flat instanceof ITextRegionContainer) {
        ITextRegionList v = ((ITextRegionContainer) flat).getRegions();
        if (v.size() > 0)
            openRegion = v.get(0);
    }
    // ADD CDATA PROPOSAL IF IT'S AN XML-JSP TAG
    if (flat != null && flat.getType() != DOMJSPRegionContexts.JSP_SCRIPTLET_OPEN && flat.getType() != DOMJSPRegionContexts.JSP_DECLARATION_OPEN && flat.getType() != DOMJSPRegionContexts.JSP_EXPRESSION_OPEN && flat.getType() != DOMRegionContext.BLOCK_TEXT && (openRegion != null && openRegion.getType() != DOMJSPRegionContexts.JSP_DIRECTIVE_OPEN) && !inAttributeRegion(flat, documentPosition)) {
        // determine if cursor is before or after selected range
        int adjustedDocPosition = documentPosition;
        int realCaretPosition = viewer.getTextWidget().getCaretOffset();
        int selectionLength = viewer.getSelectedRange().y;
        if (documentPosition > realCaretPosition) {
            adjustedDocPosition -= selectionLength;
        }
        CustomCompletionProposal cdataProposal = createCDATAProposal(adjustedDocPosition, selectionLength);
        ICompletionProposal[] newResults = new ICompletionProposal[results.length + 1];
        System.arraycopy(results, 0, newResults, 0, results.length);
        newResults[results.length] = cdataProposal;
        results = newResults;
    }
    return results;
}

Example 42 with ITextRegionContainer

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer in project webtools.sourceediting by eclipse.

the class LibraryTagsCompletionProposalComputer method addAttributeValueProposals.

/**
 * @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeValueProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
 */
protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest, CompletionProposalInvocationContext context) {
    if (!this.isXHTML) {
        IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
        ModelQuery mq = ModelQueryUtil.getModelQuery(node.getOwnerDocument());
        if (mq != null) {
            CMDocument doc = mq.getCorrespondingCMDocument(node);
            // this shouldn't have to have the prefix coded in
            if (doc instanceof JSPCMDocument || doc instanceof CMNodeWrapper || node.getNodeName().startsWith("jsp:")) {
                // $NON-NLS-1$
                return;
            }
        }
        // Find the attribute name for which this position should have a value
        IStructuredDocumentRegion open = node.getFirstStructuredDocumentRegion();
        ITextRegionList openRegions = open.getRegions();
        int i = openRegions.indexOf(contentAssistRequest.getRegion());
        if (i < 0) {
            return;
        }
        ITextRegion nameRegion = null;
        while (i >= 0) {
            nameRegion = openRegions.get(i--);
            if (nameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) {
                break;
            }
        }
        // on an empty value, add all the JSP and taglib tags
        CMElementDeclaration elementDecl = AbstractXMLModelQueryCompletionProposalComputer.getCMElementDeclaration(node);
        if (nameRegion != null && elementDecl != null) {
            String attributeName = open.getText(nameRegion);
            if (attributeName != null) {
                Node parent = contentAssistRequest.getParent();
                // ignore start quote in match string
                String matchString = contentAssistRequest.getMatchString().trim();
                if (matchString.startsWith("'") || matchString.startsWith("\"")) {
                    // $NON-NLS-1$ //$NON-NLS-2$
                    matchString = matchString.substring(1);
                }
                // get all the proposals
                List additionalElements = ModelQueryUtil.getModelQuery(node.getOwnerDocument()).getAvailableContent((Element) node, elementDecl, ModelQuery.INCLUDE_ALL);
                Iterator nodeIterator = additionalElements.iterator();
                // check each suggestion
                while (nodeIterator.hasNext()) {
                    CMNode additionalElementDecl = (CMNode) nodeIterator.next();
                    if (additionalElementDecl != null && additionalElementDecl instanceof CMElementDeclaration && validModelQueryNode(additionalElementDecl)) {
                        CMElementDeclaration ed = (CMElementDeclaration) additionalElementDecl;
                        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=89811
                        StringBuffer sb = new StringBuffer();
                        getContentGenerator().generateTag(parent, ed, sb);
                        String proposedText = sb.toString();
                        // filter out any proposals that dont match matchString
                        if (beginsWith(proposedText, matchString)) {
                            // wrap with ' because JSP attributes are warped with "
                            // $NON-NLS-1$
                            proposedText = "'" + proposedText;
                            // don't want to risk injecting an extra
                            if (!(contentAssistRequest.getRegion() instanceof ITextRegionContainer)) {
                                // $NON-NLS-1$
                                proposedText += "'";
                            }
                            // get the image
                            Image image = CMImageUtil.getImage(elementDecl);
                            if (image == null) {
                                image = this.getGenericTagImage();
                            }
                            // create the proposal
                            int cursorAdjustment = getCursorPositionForProposedText(proposedText);
                            String proposedInfo = AbstractXMLModelQueryCompletionProposalComputer.getAdditionalInfo(AbstractXMLModelQueryCompletionProposalComputer.getCMElementDeclaration(parent), elementDecl);
                            String tagname = getContentGenerator().getRequiredName(node, ed);
                            CustomCompletionProposal proposal = new CustomCompletionProposal(proposedText, contentAssistRequest.getReplacementBeginPosition(), contentAssistRequest.getReplacementLength(), cursorAdjustment, image, tagname, null, proposedInfo, XMLRelevanceConstants.R_XML_ATTRIBUTE_VALUE);
                            contentAssistRequest.addProposal(proposal);
                        }
                    }
                }
            }
        }
    }
}

Example 43 with ITextRegionContainer

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer in project webtools.sourceediting by eclipse.

the class XMLSourceParser method parseNodes.

protected IStructuredDocumentRegion parseNodes() {
    // regions are initially reported as complete offsets within the
    // scanned input
    // they are adjusted here to be indexes from the currentNode's start
    // offset
    IStructuredDocumentRegion headNode = null;
    IStructuredDocumentRegion lastNode = null;
    ITextRegion region = null;
    IStructuredDocumentRegion currentNode = null;
    String type = null;
    while ((region = getNextRegion()) != null) {
        type = region.getType();
        // of them
        if (type == DOMRegionContext.BLOCK_TEXT) {
            if (currentNode != null && currentNode.getLastRegion().getType() == DOMRegionContext.BLOCK_TEXT) {
                // multiple block texts indicated embedded containers; no
                // new IStructuredDocumentRegion
                currentNode.addRegion(region);
                currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
                region.adjustStart(-currentNode.getStart());
            // DW 4/16/2003 regions no longer have parents
            // region.setParent(currentNode);
            } else {
                // not continuing a IStructuredDocumentRegion
                if (currentNode != null) {
                    // terminated
                    if (!currentNode.isEnded()) {
                        currentNode.setLength(region.getStart() - currentNode.getStart());
                    // fCurrentNode.setTextLength(region.getStart() -
                    // fCurrentNode.getStart());
                    }
                    lastNode = currentNode;
                }
                fireNodeParsed(currentNode);
                currentNode = createStructuredDocumentRegion(type);
                if (lastNode != null) {
                    lastNode.setNext(currentNode);
                }
                currentNode.setPrevious(lastNode);
                currentNode.setStart(region.getStart());
                currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
                currentNode.setEnded(true);
                region.adjustStart(-currentNode.getStart());
                currentNode.addRegion(region);
            // DW 4/16/2003 regions no longer have parents
            // region.setParent(currentNode);
            }
        } else // the following contexts OPEN new StructuredDocumentRegions
        if ((currentNode != null && currentNode.isEnded()) || (type == DOMRegionContext.XML_CONTENT) || (type == DOMRegionContext.XML_CHAR_REFERENCE) || (type == DOMRegionContext.XML_ENTITY_REFERENCE) || (type == DOMRegionContext.XML_PI_OPEN) || (type == DOMRegionContext.XML_TAG_OPEN) || (type == DOMRegionContext.XML_END_TAG_OPEN) || (type == DOMRegionContext.XML_COMMENT_OPEN) || (type == DOMRegionContext.XML_CDATA_OPEN) || (type == DOMRegionContext.XML_DECLARATION_OPEN)) {
            if (currentNode != null) {
                // ensure that any existing node is at least terminated
                if (!currentNode.isEnded()) {
                    currentNode.setLength(region.getStart() - currentNode.getStart());
                // fCurrentNode.setTextLength(region.getStart() -
                // fCurrentNode.getStart());
                }
                lastNode = currentNode;
            }
            fireNodeParsed(currentNode);
            currentNode = createStructuredDocumentRegion(type);
            if (lastNode != null) {
                lastNode.setNext(currentNode);
            }
            currentNode.setPrevious(lastNode);
            currentNode.setStart(region.getStart());
            currentNode.addRegion(region);
            currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
            region.adjustStart(-currentNode.getStart());
        // DW 4/16/2003 regions no longer have parents
        // region.setParent(currentNode);
        } else // StructuredDocumentRegions; just add to them
        if ((type == DOMRegionContext.XML_TAG_NAME) || (type == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) || (type == DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS) || (type == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) || (type == DOMRegionContext.XML_COMMENT_TEXT) || (type == DOMRegionContext.XML_PI_CONTENT) || (type == DOMRegionContext.XML_DOCTYPE_INTERNAL_SUBSET)) {
            currentNode.addRegion(region);
            currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
            region.adjustStart(-currentNode.getStart());
        // DW 4/16/2003 regions no longer have parents
        // region.setParent(currentNode);
        } else // cleanly
        if ((type == DOMRegionContext.XML_PI_CLOSE) || (type == DOMRegionContext.XML_TAG_CLOSE) || (type == DOMRegionContext.XML_EMPTY_TAG_CLOSE) || (type == DOMRegionContext.XML_COMMENT_CLOSE) || (type == DOMRegionContext.XML_DECLARATION_CLOSE) || (type == DOMRegionContext.XML_CDATA_CLOSE)) {
            currentNode.setEnded(true);
            currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
            currentNode.addRegion(region);
            region.adjustStart(-currentNode.getStart());
        // DW 4/16/2003 regions no longer have parents
        // region.setParent(currentNode);
        } else // this is extremely rare, but valid
        if (type == DOMRegionContext.WHITE_SPACE) {
            ITextRegion lastRegion = currentNode.getLastRegion();
            // pack the embedded container with this region
            if (lastRegion instanceof ITextRegionContainer) {
                ITextRegionContainer container = (ITextRegionContainer) lastRegion;
                container.getRegions().add(region);
                // containers must have parent set ...
                // setting for EACH subregion is redundent, but not sure
                // where else to do, so will do here for now.
                container.setParent(currentNode);
                // DW 4/16/2003 regions no longer have parents
                // region.setParent(container);
                region.adjustStart(container.getLength() - region.getStart());
            }
            currentNode.getLastRegion().adjustLength(region.getLength());
            currentNode.adjustLength(region.getLength());
        } else if (type == DOMRegionContext.UNDEFINED && currentNode != null) {
            // combine with previous if also undefined
            if (currentNode.getLastRegion() != null && currentNode.getLastRegion().getType() == DOMRegionContext.UNDEFINED) {
                currentNode.getLastRegion().adjustLength(region.getLength());
                currentNode.adjustLength(region.getLength());
            } else // previous wasn't undefined
            {
                currentNode.addRegion(region);
                currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
                region.adjustStart(-currentNode.getStart());
            }
        } else {
            // ensure that a node exists
            if (currentNode == null) {
                currentNode = createStructuredDocumentRegion(type);
                currentNode.setStart(region.getStart());
            }
            currentNode.addRegion(region);
            currentNode.setLength(region.getStart() + region.getLength() - currentNode.getStart());
            region.adjustStart(-currentNode.getStart());
            // region.setParent(currentNode);
            if (Debug.debugTokenizer)
                // $NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
                System.out.println(getClass().getName() + " found region of not specifically handled type " + region.getType() + " @ " + region.getStart() + "[" + region.getLength() + "]");
        // $NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
        }
        // ensures that they open StructuredDocumentRegions the same way
        if ((type == DOMRegionContext.XML_CONTENT) || (type == DOMRegionContext.XML_CHAR_REFERENCE) || (type == DOMRegionContext.XML_ENTITY_REFERENCE)) {
            currentNode.setEnded(true);
        }
        if (headNode == null && currentNode != null) {
            headNode = currentNode;
        }
    }
    if (currentNode != null) {
        fireNodeParsed(currentNode);
        currentNode.setPrevious(lastNode);
    }
    // fStringInput = null;
    primReset();
    return headNode;
}

Example 44 with ITextRegionContainer

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer in project webtools.sourceediting by eclipse.

the class AbstractJSONCompletionProposalComputer method computeObjectKeyProposals.

private ContentAssistRequest computeObjectKeyProposals(String matchString, ITextRegion completionRegion, IJSONNode nodeAtOffset, IJSONNode node, CompletionProposalInvocationContext context) {
    int documentPosition = context.getInvocationOffset();
    ContentAssistRequest contentAssistRequest = null;
    IStructuredDocumentRegion sdRegion = getStructuredDocumentRegion(documentPosition);
    int replaceLength = 0;
    int begin = documentPosition;
    if (completionRegion.getType() == JSONRegionContexts.JSON_OBJECT_KEY || completionRegion.getType() == JSONRegionContexts.JSON_UNKNOWN) {
        replaceLength = completionRegion.getTextLength();
        // value region not the entire container
        if (completionRegion instanceof ITextRegionContainer) {
            ITextRegion openRegion = ((ITextRegionContainer) completionRegion).getFirstRegion();
            ITextRegion closeRegion = ((ITextRegionContainer) completionRegion).getLastRegion();
            if (openRegion.getType() != closeRegion.getType()) {
                replaceLength = openRegion.getTextLength();
            }
        }
        begin = sdRegion.getStartOffset(completionRegion);
    }
    if (isPairValue(context, nodeAtOffset)) {
        IJSONPair pair = (IJSONPair) nodeAtOffset;
        IJSONValue value = pair.getValue();
        if (value != null) {
            try {
                begin = value.getStartOffset();
                String valueText = getNodeText(value);
                valueText = valueText.trim();
                replaceLength = valueText.length();
                if (valueText.startsWith(QUOTE)) {
                    begin = begin + 1;
                    replaceLength = replaceLength - 1;
                }
                if (valueText.endsWith(QUOTE)) {
                    replaceLength = replaceLength - 1;
                }
            } catch (BadLocationException e) {
            // ignore
            }
        }
    } else if (nodeAtOffset instanceof IJSONPair) {
        IJSONPair pair = (IJSONPair) nodeAtOffset;
        try {
            begin = pair.getStartOffset();
            String text = getNodeText(pair);
            text = text.trim();
            replaceLength = pair.getName().length();
            if (text.startsWith(QUOTE)) {
                begin = begin + 1;
            }
        } catch (BadLocationException e) {
        // ignore
        }
    }
    contentAssistRequest = new ContentAssistRequest(nodeAtOffset, node.getParentNode(), sdRegion, completionRegion, begin, replaceLength, matchString);
    addObjectKeyProposals(contentAssistRequest, context);
    return contentAssistRequest;
}

Example 45 with ITextRegionContainer

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer in project webtools.sourceediting by eclipse.

the class ScanningTests method viewableTokenize.

public static String viewableTokenize(String stringdata, boolean useXML) {
    java.util.List l = parse(stringdata, useXML);
    String s = "";
    for (int i = 0; i < l.size(); i++) {
        IStructuredDocumentRegion node = (IStructuredDocumentRegion) l.get(i);
        try {
            s += StringUtils.escape(node.toString()) + "\n";
        } catch (Exception e) {
            s += "[" + node.getStart() + ", " + node.getEnd() + "] (UNPRINTABLE " + e + ")";
        }
        ITextRegionList m = node.getRegions();
        for (int j = 0; j < m.size(); j++) if (m.get(j) instanceof ITextRegionContainer) {
            s = s + "\t" + StringUtils.escape(m.get(j).toString()) + "\n";
            ITextRegionList n = ((ITextRegionContainer) m.get(j)).getRegions();
            for (int k = 0; k < n.size(); k++) s = s + "\t\t" + StringUtils.escape(n.get(k).toString()) + "\n";
        } else
            s = s + "\t" + StringUtils.escape(m.get(j).toString()) + "\n";
    }
    return s;
}