Examples with FastStringBuffer org.apache.xml.utils.FastStringBuffer used on opensource projects

Example 36 with FastStringBuffer

use of org.apache.xml.utils.FastStringBuffer in project nokogiri by sparklemotion.

the class DOM2DTM method isWhitespace.

/**
 * Determine if the string-value of a node is whitespace
 *
 * @param nodeHandle The node Handle.
 *
 * @return Return true if the given node is whitespace.
 */
public boolean isWhitespace(int nodeHandle) {
    int type = getNodeType(nodeHandle);
    Node node = getNode(nodeHandle);
    if (TEXT_NODE == type || CDATA_SECTION_NODE == type) {
        // If this is a DTM text node, it may be made of multiple DOM text
        // nodes -- including navigating into Entity References. DOM2DTM
        // records the first node in the sequence and requires that we
        // pick up the others when we retrieve the DTM node's value.
        // 
        // %REVIEW% DOM Level 3 is expected to add a "whole text"
        // retrieval method which performs this function for us.
        FastStringBuffer buf = StringBufferPool.get();
        while (node != null) {
            buf.append(node.getNodeValue());
            node = logicalNextDOMTextNode(node);
        }
        boolean b = buf.isWhitespace(0, buf.length());
        StringBufferPool.free(buf);
        return b;
    }
    return false;
}

Example 37 with FastStringBuffer

use of org.apache.xml.utils.FastStringBuffer in project nokogiri by sparklemotion.

the class DOM2DTM method getStringValue.

/**
 * Get the string-value of a node as a String object
 * (see http://www.w3.org/TR/xpath#data-model
 * for the definition of a node's string-value).
 *
 * @param nodeHandle The node ID.
 *
 * @return A string object that represents the string-value of the given node.
 */
public XMLString getStringValue(int nodeHandle) {
    int type = getNodeType(nodeHandle);
    Node node = getNode(nodeHandle);
    // directly.
    if (DTM.ELEMENT_NODE == type || DTM.DOCUMENT_NODE == type || DTM.DOCUMENT_FRAGMENT_NODE == type) {
        FastStringBuffer buf = StringBufferPool.get();
        String s;
        try {
            getNodeData(node, buf);
            s = (buf.length() > 0) ? buf.toString() : "";
        } finally {
            StringBufferPool.free(buf);
        }
        return m_xstrf.newstr(s);
    } else if (TEXT_NODE == type || CDATA_SECTION_NODE == type) {
        // If this is a DTM text node, it may be made of multiple DOM text
        // nodes -- including navigating into Entity References. DOM2DTM
        // records the first node in the sequence and requires that we
        // pick up the others when we retrieve the DTM node's value.
        // 
        // %REVIEW% DOM Level 3 is expected to add a "whole text"
        // retrieval method which performs this function for us.
        FastStringBuffer buf = StringBufferPool.get();
        while (node != null) {
            buf.append(node.getNodeValue());
            node = logicalNextDOMTextNode(node);
        }
        String s = (buf.length() > 0) ? buf.toString() : "";
        StringBufferPool.free(buf);
        return m_xstrf.newstr(s);
    } else {
        return m_xstrf.newstr(node.getNodeValue());
    }
}

Example 38 with FastStringBuffer

use of org.apache.xml.utils.FastStringBuffer in project nokogiri by sparklemotion.

the class DOM2DTM method getNodeValue.

/**
 * Given a node handle, return its node value. This is mostly
 * as defined by the DOM, but may ignore some conveniences.
 * <p>
 *
 * @param nodeHandle The node id.
 * @return String Value of this node, or null if not
 * meaningful for this node type.
 */
public String getNodeValue(int nodeHandle) {
    // The _type(nodeHandle) call was taking the lion's share of our
    // time, and was wrong anyway since it wasn't coverting handle to
    // identity. Inlined it.
    int type = _exptype(makeNodeIdentity(nodeHandle));
    type = (NULL != type) ? getNodeType(nodeHandle) : NULL;
    if (TEXT_NODE != type && CDATA_SECTION_NODE != type) {
        return getNode(nodeHandle).getNodeValue();
    }
    // If this is a DTM text node, it may be made of multiple DOM text
    // nodes -- including navigating into Entity References. DOM2DTM
    // records the first node in the sequence and requires that we
    // pick up the others when we retrieve the DTM node's value.
    // 
    // %REVIEW% DOM Level 3 is expected to add a "whole text"
    // retrieval method which performs this function for us.
    Node node = getNode(nodeHandle);
    Node n = logicalNextDOMTextNode(node);
    if (n == null) {
        return node.getNodeValue();
    }
    FastStringBuffer buf = StringBufferPool.get();
    buf.append(node.getNodeValue());
    while (n != null) {
        buf.append(n.getNodeValue());
        n = logicalNextDOMTextNode(n);
    }
    String s = (buf.length() > 0) ? buf.toString() : "";
    StringBufferPool.free(buf);
    return s;
}