Examples with RegionIterator org.eclipse.wst.css.core.internal.util.RegionIterator used on opensource projects

Example 16 with RegionIterator

use of org.eclipse.wst.css.core.internal.util.RegionIterator in project webtools.sourceediting by eclipse.

the class StructuredAutoEditStrategyCSS method getPrevKeyRegion.

/**
 */
protected CompoundRegion getPrevKeyRegion(int position, CompoundRegion currentRegion) {
    if (currentRegion == null) {
        if (structuredDocument.getLastStructuredDocumentRegion() == null)
            return null;
    }
    if (currentRegion != null && (currentRegion.getType() == CSSRegionContexts.CSS_RBRACE || currentRegion.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END || currentRegion.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE)) {
        return prevCorrespondence(currentRegion);
    }
    RegionIterator it = new RegionIterator(structuredDocument, position - 1);
    while (it.hasPrev()) {
        ITextRegion r = it.prev();
        CompoundRegion region = new CompoundRegion(it.getStructuredDocumentRegion(), r);
        if (region.getType() == CSSRegionContexts.CSS_LBRACE || // region.getType() == CSSRegionContexts.CSS_RBRACE ||
        region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START || // CSSRegionContexts.CSS_PARENTHESIS_CLOSE ||
        region.getType() == CSSRegionContexts.CSS_DELIMITER || region.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER || // ||
        region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) {
            return region;
        } else if (region.getType() == CSSRegionContexts.CSS_RBRACE || region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END || region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) {
            // skip to LBRACE
            CompoundRegion pc = prevCorrespondence(region);
            // https://bugs.eclipse.org/bugs/show_bug.cgi?id=111318
            if (pc == null)
                break;
            it.reset(pc.getDocumentRegion(), pc.getTextRegion());
            it.prev();
        } else if (region.getType() == CSSRegionContexts.CSS_STRING) {
            RegionIterator itTmp = new RegionIterator(structuredDocument, position);
            if (region == itTmp.prev())
                // position is inside of string
                return region;
        } else if (region.getType() == CSSRegionContexts.CSS_COMMENT) {
            RegionIterator itTmp = new RegionIterator(structuredDocument, position);
            if (region == itTmp.prev())
                // position is inside of comment
                return region;
        } else if (region.getType() == CSSRegionContexts.CSS_UNKNOWN) {
            String str = region.getText();
            if (str.charAt(str.length() - 1) == '\\')
                return region;
        } else if (region.getType() == CSSRegionContexts.CSS_DECLARATION_SEPARATOR) {
            RegionIterator itPrev = new RegionIterator(region.getDocumentRegion(), region.getTextRegion());
            while (itPrev.hasPrev()) {
                ITextRegion regionPrev = itPrev.prev();
                if (regionPrev.getType() == CSSRegionContexts.CSS_RBRACE) {
                    break;
                } else if (regionPrev.getType() == CSSRegionContexts.CSS_DELIMITER || regionPrev.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER) {
                    return region;
                } else if (regionPrev.getType() == CSSRegionContexts.CSS_LBRACE) {
                    while (itPrev.hasPrev()) {
                        regionPrev = itPrev.prev();
                        if (regionPrev.getType() == CSSRegionContexts.CSS_MEDIA)
                            break;
                        if (regionPrev.getType() == CSSRegionContexts.CSS_LBRACE || regionPrev.getType() == CSSRegionContexts.CSS_RBRACE || regionPrev.getType() == CSSRegionContexts.CSS_DELIMITER || regionPrev.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
                            return region;
                    }
                    if (regionPrev.getType() == CSSRegionContexts.CSS_MEDIA)
                        break;
                    else
                        return region;
                }
            }
        }
    }
    return null;
}

Example 17 with RegionIterator

use of org.eclipse.wst.css.core.internal.util.RegionIterator in project webtools.sourceediting by eclipse.

the class StructuredAutoEditStrategyCSS method needShift.

/**
 */
protected int needShift(CompoundRegion region, int position) {
    int shift = 0;
    if (region == null || region.getType() == CSSRegionContexts.CSS_DELIMITER || region.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER || region.getType() == CSSRegionContexts.CSS_LBRACE) {
        // get non space region
        CompoundRegion cr = getRegion(position - 1);
        RegionIterator it = new RegionIterator(cr.getDocumentRegion(), cr.getTextRegion());
        ITextRegion nearestRegion = null;
        while (it.hasPrev()) {
            nearestRegion = it.prev();
            if (nearestRegion.getType() != CSSRegionContexts.CSS_S && nearestRegion.getType() != CSSRegionContexts.CSS_COMMENT)
                break;
        }
        if (nearestRegion != null && (nearestRegion.getType() == CSSRegionContexts.CSS_LBRACE || nearestRegion.getType() == CSSRegionContexts.CSS_RBRACE || nearestRegion.getType() == CSSRegionContexts.CSS_DELIMITER || nearestRegion.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER))
            shift--;
        else if (region == null)
            shift--;
        shift++;
    }
    if (region != null && region.getType() == CSSRegionContexts.CSS_LBRACE) {
        RegionIterator it = new RegionIterator(structuredDocument, position);
        if (!it.hasPrev() || it.prev().getType() != CSSRegionContexts.CSS_RBRACE)
            shift++;
        else
            shift = 0;
    }
    return shift;
}

Example 18 with RegionIterator

use of org.eclipse.wst.css.core.internal.util.RegionIterator in project webtools.sourceediting by eclipse.

the class CSSStructuredDocumentReParser method getUpdateRangeForUnknownRegion.

private ReparseRange getUpdateRangeForUnknownRegion(int start, int end) {
    int newStart = start;
    RegionIterator iterator = new RegionIterator(fStructuredDocument, start - 1);
    if (iterator.hasPrev()) {
        // skip myself
        iterator.prev();
    }
    while (iterator.hasPrev()) {
        ITextRegion region = iterator.prev();
        if (region != null && region.getType() == CSSRegionContexts.CSS_UNKNOWN) {
            newStart = iterator.getStructuredDocumentRegion().getStartOffset(region);
        } else {
            break;
        }
    }
    if (start != newStart) {
        return new ReparseRange(newStart, end);
    }
    return null;
}

Example 19 with RegionIterator

use of org.eclipse.wst.css.core.internal.util.RegionIterator in project webtools.sourceediting by eclipse.

the class StyleSheetFormatter method getChildInsertPos.

/**
 */
public int getChildInsertPos(ICSSNode node) {
    int n = ((IndexedRegion) node).getEndOffset();
    if (n > 0) {
        IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument();
        IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(n - 1);
        ITextRegion region = flatNode.getRegionAtCharacterOffset(n - 1);
        RegionIterator it = new RegionIterator(flatNode, region);
        while (it.hasPrev()) {
            ITextRegion reg = it.prev();
            if (reg.getType() == CSSRegionContexts.CSS_CDC)
                return it.getStructuredDocumentRegion().getStartOffset(reg);
        }
        return n;
    }
    return -1;
}

Example 20 with RegionIterator

use of org.eclipse.wst.css.core.internal.util.RegionIterator in project webtools.sourceediting by eclipse.

the class AbstractCSSSourceFormatter method getOutsideRegions.

/**
 */
protected CompoundRegion[] getOutsideRegions(IStructuredDocument model, IRegion reg) {
    CompoundRegion[] ret = new CompoundRegion[2];
    RegionIterator it = new RegionIterator(model, reg.getOffset());
    it.prev();
    if (it.hasPrev()) {
        ITextRegion textRegion = it.prev();
        IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
        ret[0] = new CompoundRegion(documentRegion, textRegion);
    } else {
        ret[0] = null;
    }
    it.reset(model, reg.getOffset() + reg.getLength());
    if (it.hasNext()) {
        ITextRegion textRegion = it.next();
        IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
        ret[1] = new CompoundRegion(documentRegion, textRegion);
    } else {
        ret[1] = null;
    }
    return ret;
}