Examples with RegionIterator org.eclipse.wst.dtd.core.internal.text.RegionIterator used on opensource projects

Example 16 with RegionIterator

use of org.eclipse.wst.dtd.core.internal.text.RegionIterator in project webtools.sourceediting by eclipse.

the class CMGroupNode method resolveRegions.

public void resolveRegions() {
    int nesting = 0;
    // children.clear();
    removeChildNodes();
    DTDNode currentGroupNode = null;
    CMBasicNode currentReferenceNode = null;
    RegionIterator iter = iterator();
    // we assume the first region is the '('
    iter.next();
    while (iter.hasNext() && nesting >= 0) {
        ITextRegion currentRegion = iter.next();
        if (nesting == 0) {
            if (currentRegion.getType().equals(DTDRegionTypes.CONTENT_PCDATA)) {
                currentGroupNode = currentReferenceNode = null;
                DTDNode pcData = new CMBasicNode(getDTDFile(), getStructuredDTDDocumentRegion());
                pcData.addRegion(currentRegion);
                appendChild(pcData);
            // children.add(pcData);
            } else if (currentRegion.getType().equals(DTDRegionTypes.NAME)) {
                // we have hit a new reference node. Make sure we reset
                // the groupnode var so it doesn't collect more regions
                currentGroupNode = null;
                currentReferenceNode = new CMBasicNode(getDTDFile(), getStructuredDTDDocumentRegion());
                currentReferenceNode.addRegion(currentRegion);
                appendChild(currentReferenceNode);
            // children.add(currentReferenceNode);
            } else if (currentRegion.getType().equals(DTDRegionTypes.OCCUR_TYPE)) {
                // are null
                if (currentReferenceNode != null) {
                    // currentReferenceNode.setOccurrence(currentRegion.getText().toCharArray()[0]);
                    currentReferenceNode.addRegion(currentRegion);
                    currentReferenceNode = null;
                }
            } else if (currentRegion.getType().equals(DTDRegionTypes.CONNECTOR)) {
            // note that if connector is already set and it is
            // different from the current connector region, then we
            // have an error!
            // setConnector(currentRegion.getText().toCharArray()[0]);
            } else if (currentRegion.getType().equals(DTDRegionTypes.LEFT_PAREN)) {
                if (currentGroupNode == null) {
                    // we have hit a new group. Make sure we reset the
                    // referencenode var so it doesn't collect any more
                    // regions
                    currentReferenceNode = null;
                    currentGroupNode = new CMGroupNode(getDTDFile(), getStructuredDTDDocumentRegion());
                    appendChild(currentGroupNode);
                // children.add(currentGroupNode);
                }
            }
        }
        if (currentRegion.getType().equals(DTDRegionTypes.LEFT_PAREN)) {
            nesting++;
        }
        if (currentRegion.getType().equals(DTDRegionTypes.RIGHT_PAREN)) {
            nesting--;
            if (nesting == 0 && currentGroupNode != null) {
                currentGroupNode.addRegion(currentRegion);
                // so, add it to the groupnode
                if (iter.hasNext()) {
                    ITextRegion nextRegion = iter.next();
                    if (nextRegion.getType().equals(DTDRegionTypes.OCCUR_TYPE)) {
                        currentGroupNode.addRegion(nextRegion);
                    } else {
                        // Otherwise, push it back as the next item to be
                        // retrieved by a future next() call
                        iter.previous();
                    }
                }
                currentGroupNode = null;
            }
        }
        if (currentGroupNode != null) {
            currentGroupNode.addRegion(currentRegion);
        }
    }
    if (nesting < 0) {
        // Look for an occurrence region
        while (iter.hasNext()) {
            ITextRegion currentRegion = iter.next();
            if (currentRegion.getType().equals(DTDRegionTypes.OCCUR_TYPE)) {
            // setOccurrence(currentRegion.getText().toCharArray()[0]);
            }
        }
    // end of while ()
    }
    // for (org.w3c.dom.Node child = getFirstChild(); child != null; child
    // = child.getNextSibling())
    // {
    // System.out.println("child found = " + child);
    // }
    Object[] children = getChildren();
    for (int i = 0; i < children.length; i++) {
        DTDNode currentNode = (DTDNode) children[i];
        currentNode.resolveRegions();
    }
// end of while ()
}

Example 17 with RegionIterator

use of org.eclipse.wst.dtd.core.internal.text.RegionIterator in project webtools.sourceediting by eclipse.

the class CMGroupNode method setConnector.

/**
 * Set the value of connector.
 *
 * @param v
 *            Value to assign to connector.
 */
public void setConnector(char v) {
    if (connector != v) {
        connector = v;
        // walk through our kids and see if there is a connector between
        // each sibling. if not, create one and set the connector. if
        // there is
        // then just change the text of the connector
        Object[] children = getChildren();
        if (children.length <= 1) {
            // there won't be any connector existing between the children
            // just notify a change in the node and return;
            getDTDFile().notifyNodeChanged(this);
            return;
        }
        // $NON-NLS-1$
        beginRecording(this, DTDCoreMessages._UI_LABEL_CM_GRP_NODE_CONNECTOR);
        for (int i = 0; i < children.length - 1; i++) {
            DTDNode childA = (DTDNode) children[i];
            DTDNode childB = (DTDNode) children[i + 1];
            // create a stream between the two siblings and walk it
            // note that this stream includes the last region of the first
            // sibling and the first region of the next sibling.
            // both these should be ignored
            RegionIterator iter = new RegionIterator(getStructuredDTDDocumentRegion(), childA.getEndOffset(), childB.getStartOffset());
            // skip the first region which is the last region of childA
            // do we still need this
            // iter.next();
            ITextRegion currentRegion = null;
            boolean foundConnector = false;
            while (iter.hasNext() && currentRegion != childB.getStartRegion()) {
                currentRegion = iter.next();
                if (currentRegion.getType() == DTDRegionTypes.CONNECTOR) {
                    foundConnector = true;
                    // Region oldRegion = currentRegion.createCopy();
                    // found a connector! on to the next sibling pair
                    // currentRegion.updateText(String.valueOf(v));
                    replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(currentRegion), 1, String.valueOf(connector));
                    // changeStructuredDocument(oldRegion, currentRegion);
                    break;
                }
            }
            if (!foundConnector) {
                // if we're here, that means we need to insert a new
                // connector region after childA
                replaceText(this, childA.getEndOffset(), 0, String.valueOf(connector));
            // DTDRegion connectorRegion = new
            // DTDRegion(DTDRegionTypes.CONNECTOR,
            // childA.getEndOffset(), 1);
            // insertIntoStructuredDocument(connectorRegion);
            }
        }
        endRecording(this);
    }
}

Example 18 with RegionIterator

use of org.eclipse.wst.dtd.core.internal.text.RegionIterator in project webtools.sourceediting by eclipse.

the class Entity method setValue.

/**
 * Set the value of value.
 *
 * @param v
 *            Value to assign to value.
 */
public void setValue(Object requestor, String v) {
    if (!isExternalEntity()) {
        if (!getValue().equals(v)) {
            // then it makes sense to change the value
            ITextRegion valueRegion = getNextQuotedLiteral(iterator());
            // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            String quoteChar = v.indexOf("\"") == -1 ? "\"" : "'";
            if (valueRegion != null) {
                replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(valueRegion), valueRegion.getLength(), quoteChar + v + quoteChar);
            } else {
                int startOffset = 0;
                RegionIterator iter = iterator();
                ITextRegion region = getNextRegion(iter, DTDRegionTypes.NAME);
                if (region == null) {
                    // create it after the percent if there is one
                    region = getPercentRegion();
                }
                if (region == null) {
                    // if still null, then create it after the element tag
                    region = getStartTag(iterator());
                }
                if (region != null) {
                    startOffset = getStructuredDTDDocumentRegion().getEndOffset(region);
                    replaceText(requestor, startOffset, 0, quoteChar + v + quoteChar);
                }
            }
        }
    }
}

Example 19 with RegionIterator

use of org.eclipse.wst.dtd.core.internal.text.RegionIterator in project webtools.sourceediting by eclipse.

the class Entity method setParameterEntity.

/**
 * Set the value of isParameterEntity.
 *
 * @param v
 *            Value to assign to isParameterEntity.
 */
public void setParameterEntity(boolean v) {
    if (isParameterEntity() != v) {
        beginRecording(this, v ? setParameterEntity : setGeneralEntity);
        if (v) {
            RegionIterator iter = iterator();
            ITextRegion startTag = getNextRegion(iter, DTDRegionTypes.ENTITY_TAG);
            int startOffset = 0, length = 0;
            if (iter.hasNext()) {
                ITextRegion region = iter.next();
                startOffset = getStructuredDTDDocumentRegion().getStartOffset(region);
                if (region.getType() == DTDRegionTypes.WHITESPACE && region.getLength() > 1) {
                    length = 1;
                }
            } else {
                startOffset = getStructuredDTDDocumentRegion().getEndOffset(startTag);
            }
            // $NON-NLS-1$
            replaceText(this, startOffset, length, " %");
            // now get rid of any NData since it is only allowed if the
            // entity is a general entity and not a parameter entity
            removeNData(this);
        } else {
            // get rid of percent region
            ITextRegion percentRegion = getPercentRegion();
            // $NON-NLS-1$
            replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(percentRegion), percentRegion.getLength(), "");
        }
        endRecording(this);
    }
}

Example 20 with RegionIterator

use of org.eclipse.wst.dtd.core.internal.text.RegionIterator in project webtools.sourceediting by eclipse.

the class ParameterEntityReference method getStartAndEndOffsetForText.

private void getStartAndEndOffsetForText(StartEndPair pair) {
    RegionIterator iter = iterator();
    ITextRegion commentStartTag = getStartTag(iter);
    ITextRegion endCommentTag = getNextRegion(iter, DTDRegionTypes.COMMENT_END);
    pair.endOffset = getStructuredDTDDocumentRegion().getEndOffset();
    if (commentStartTag != null) {
        pair.startOffset = getStructuredDTDDocumentRegion().getEndOffset(commentStartTag);
    }
    if (endCommentTag != null) {
        pair.endOffset = getStructuredDTDDocumentRegion().getEndOffset(endCommentTag);
    }
}