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

Example 1 with FastStringBuffer

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

the class DOM2DTMExt 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 2 with FastStringBuffer

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

the class DOM2DTMExt 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;
}

Example 3 with FastStringBuffer

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

the class DOM2DTMExt 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 4 with FastStringBuffer

use of org.apache.xml.utils.FastStringBuffer in project robovm by robovm.

the class XStringForFSB method indexOf.

/**
   * Returns the index within this string of the first occurrence of the
   * specified character, starting the search at the specified index.
   * <p>
   * If a character with value <code>ch</code> occurs in the character
   * sequence represented by this <code>String</code> object at an index
   * no smaller than <code>fromIndex</code>, then the index of the first
   * such occurrence is returned--that is, the smallest value <i>k</i>
   * such that:
   * <blockquote><pre>
   * (this.charAt(<i>k</i>) == ch) && (<i>k</i> >= fromIndex)
   * </pre></blockquote>
   * is true. If no such character occurs in this string at or after
   * position <code>fromIndex</code>, then <code>-1</code> is returned.
   * <p>
   * There is no restriction on the value of <code>fromIndex</code>. If it
   * is negative, it has the same effect as if it were zero: this entire
   * string may be searched. If it is greater than the length of this
   * string, it has the same effect as if it were equal to the length of
   * this string: <code>-1</code> is returned.
   *
   * @param   ch          a character.
   * @param   fromIndex   the index to start the search from.
   * @return  the index of the first occurrence of the character in the
   *          character sequence represented by this object that is greater
   *          than or equal to <code>fromIndex</code>, or <code>-1</code>
   *          if the character does not occur.
   */
public int indexOf(int ch, int fromIndex) {
    int max = m_start + m_length;
    FastStringBuffer fsb = fsb();
    if (fromIndex < 0) {
        fromIndex = 0;
    } else if (fromIndex >= m_length) {
        // Note: fromIndex might be near -1>>>1.
        return -1;
    }
    for (int i = m_start + fromIndex; i < max; i++) {
        if (fsb.charAt(i) == ch) {
            return i - m_start;
        }
    }
    return -1;
}

Example 5 with FastStringBuffer

use of org.apache.xml.utils.FastStringBuffer in project robovm by robovm.

the class XStringForFSB method equals.

/**
   * Compares this string to the specified object.
   * The result is <code>true</code> if and only if the argument is not
   * <code>null</code> and is a <code>String</code> object that represents
   * the same sequence of characters as this object.
   *
   * @param   obj2       the object to compare this <code>String</code>
   *                     against.
   *
   * @return  <code>true</code> if the <code>String </code>are equal;
   *          <code>false</code> otherwise.
   * @see     java.lang.String#compareTo(java.lang.String)
   * @see     java.lang.String#equalsIgnoreCase(java.lang.String)
   */
public boolean equals(XMLString obj2) {
    if (this == obj2) {
        return true;
    }
    int n = m_length;
    if (n == obj2.length()) {
        FastStringBuffer fsb = fsb();
        int i = m_start;
        int j = 0;
        while (n-- != 0) {
            if (fsb.charAt(i) != obj2.charAt(j)) {
                return false;
            }
            i++;
            j++;
        }
        return true;
    }
    return false;
}