Java IStructuredDocumentRegion.getText方法代码示例

import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; //导入方法依赖的package包/类
/**
 * Extracts contents enclosed with quotes. Quotes may be double or single.
 */
static String getAttrValue(IStructuredDocumentRegion flatNode, ITextRegion region) {
	if (region == null)
		return null;
	if (flatNode == null)
		return null;
	String value = flatNode.getText(region);
	if (value == null)
		return null;
	int length = value.length();
	if (length == 0)
		return value;
	char firstChar = value.charAt(0);
	if (firstChar == '"' || firstChar == '\'') {
		if (length == 1)
			return ""; //$NON-NLS-1$
		if (value.charAt(length - 1) == firstChar)
			length--;
		return value.substring(1, length);
	}
	return value;
}
 

import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; //导入方法依赖的package包/类
/**
 * Extracts the name without heading '&' and tailing ';'.
 */
static String getEntityRefName(IStructuredDocumentRegion flatNode, ITextRegion region) {
	if (region == null)
		return null;
	String ref = flatNode.getText(region);
	int length = ref.length();
	if (length == 0)
		return ref;
	int offset = 0;
	if (ref.charAt(0) == '&')
		offset = 1;
	if (ref.charAt(length - 1) == ';')
		length--;
	if (offset >= length)
		return null;
	return ref.substring(offset, length);
}
 

import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; //导入方法依赖的package包/类
/**
 * Returns the SSE DOM Attribute {@link IDOMAttr} by region from the SSE DOM
 * element {@link IDOMElement}.
 * 
 * @param element
 *            the SSE DOM element {@link IDOMElement}.
 * @param region
 *            the region.
 * @return
 */
public static IDOMAttr getAttrByRegion(IDOMNode element, ITextRegion region) {
	if (!isAttrRegion(region)) {
		return null;
	}

	IStructuredDocumentRegion structuredDocumentRegionElement = element.getFirstStructuredDocumentRegion();

	// 1) Get attribute name region
	ITextRegionList elementRegions = structuredDocumentRegionElement.getRegions();
	int index = elementRegions.indexOf(region);
	if (index < 0) {
		return null;
	}

	ITextRegion attrNameRegion = null;
	while (index >= 0) {
		attrNameRegion = elementRegions.get(index--);
		if (attrNameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) {
			break;
		}
	}
	if (attrNameRegion == null) {
		return null;
	}
	String attrName = structuredDocumentRegionElement.getText(attrNameRegion);
	return (IDOMAttr) element.getAttributes().getNamedItem(attrName);
}
 

import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; //导入方法依赖的package包/类
/**
 * Determines whether the given region is a UiBinder style element (opening or
 * closing) that can contain a CSS block.
 * 
 * @param styleElementRegion the region to check. If null, method returns
 *          false.
 */
private boolean isStyleElement(IStructuredDocumentRegion styleElementRegion) {
  if (styleElementRegion == null) {
    return false;
  }

  String uiBinderPrefix = null;
  ITextRegionList regions = styleElementRegion.getRegions();
  for (int i = 0; i < regions.size(); i++) {
    ITextRegion styleElementChildTextRegion = regions.get(i);
    if (styleElementChildTextRegion.getType().equals(
        DOMRegionContext.XML_TAG_NAME)) {

      // Ensure the namespace prefix and element name match
      if (uiBinderPrefix == null) {
        // Lazily fetch the prefix
        uiBinderPrefix = UiBinderXmlModelUtilities.resolveUiBinderNamespacePrefix(styleElementRegion.getParentDocument());
      }

      String tagName = styleElementRegion.getText(styleElementChildTextRegion);
      if (tagName.equalsIgnoreCase(uiBinderPrefix + ":"
          + UiBinderConstants.UI_BINDER_STYLE_ELEMENT_NAME)) {
        return true;
      }
    }
  }

  return false;
}
 

import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; //导入方法依赖的package包/类
/**
 * changeAttrName method
 * 
 */
private void changeAttrName(IStructuredDocumentRegion flatNode,
		ITextRegion region) {
	int offset = flatNode.getStart();
	if (offset < 0)
		return;
	JSONNodeImpl root = (JSONNodeImpl) this.context.getRootNode();
	if (root == null)
		return;
	IJSONNode node = root.getNodeAt(offset);
	if (node == null)
		return;
	if (node.getNodeType() != IJSONNode.PAIR_NODE) {
		return;
	}

	JSONPairImpl pair = (JSONPairImpl) node;
	String name = flatNode.getText(region); 
	pair.setName(name);
	/*
	 * List<IJSONPair> attributes = element.getPairs(); if (attributes ==
	 * null) return; for (IJSONPair attr : attributes) { if (((JSONPairImpl)
	 * attr).getNameRegion() != region) continue;
	 * 
	 * String name = flatNode.getText(region); ((JSONPairImpl)
	 * attr).setName(name); break; }
	 */
}