deferreddocumentimpl.java

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    } // getNodeNameString(int):String

    /**
     * Returns the name of the given node.
     * @param free True to free the string index.
     */
    public String getNodeName(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return null;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        return free ? clearChunkValue(fNodeName, chunk, index)
                    : getChunkValue(fNodeName, chunk, index);

    } // getNodeName(int,boolean):String

    /** Returns the real value of the given node. */
    public String getNodeValueString(int nodeIndex) {
        return getNodeValueString(nodeIndex, true);
    } // getNodeValueString(int):String

    /**
     * Returns the real value of the given node.
     * @param free True to free the string index.
     */
    public String getNodeValueString(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return null;
        }
        
        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        String value = free ? clearChunkValue(fNodeValue, chunk, index)
                            : getChunkValue(fNodeValue, chunk, index);
        if (value == null) {
            return null;
        }
        
        int type  = getChunkIndex(fNodeType, chunk, index);
        if (type == Node.TEXT_NODE) {
            int prevSib = getRealPrevSibling(nodeIndex);
            if (prevSib != -1 &&
                getNodeType(prevSib, false) == Node.TEXT_NODE) {
                // append data that is stored in fNodeValue
                // REVISIT: for text nodes it works differently than for CDATA
                //          nodes.
                fStrChunks.addElement(value);
                do {
                    // go in reverse order: find last child, then
                    // its previous sibling, etc
                    chunk = prevSib >> CHUNK_SHIFT;
                    index = prevSib & CHUNK_MASK;
                    value = getChunkValue(fNodeValue, chunk, index);
                    fStrChunks.addElement(value);
                    prevSib = getChunkIndex(fNodePrevSib, chunk, index);
                    if (prevSib == -1) {
                        break;
                    }
                } while (getNodeType(prevSib, false) == Node.TEXT_NODE);
                
                int chunkCount = fStrChunks.size();

                // add to the buffer in the correct order.
                for (int i = chunkCount - 1; i >= 0; i--) {                                                               
                    fBufferStr.append((String)fStrChunks.elementAt(i));
                }
                
                value = fBufferStr.toString();
                fStrChunks.removeAllElements();
                fBufferStr.setLength(0);
                return value;
            }
        }
        else if (type == Node.CDATA_SECTION_NODE) {
            // find if any other data stored in children
            int child = getLastChild(nodeIndex, false);
            if (child !=-1) {
                // append data that is stored in fNodeValue
                fBufferStr.append(value);
                while (child !=-1) {
                    // go in reverse order: find last child, then
                    // its previous sibling, etc
                   chunk = child >> CHUNK_SHIFT;
                    index = child & CHUNK_MASK;
                    value = getChunkValue(fNodeValue, chunk, index);
                    fStrChunks.addElement(value);
                    child = getChunkIndex(fNodePrevSib, chunk, index);
                }
                // add to the buffer in the correct order.
                for (int i=fStrChunks.size()-1; i>=0; i--) {                                                               
                     fBufferStr.append((String)fStrChunks.elementAt(i));
                }
                                                         
                value = fBufferStr.toString();
                fStrChunks.setSize(0);
                fBufferStr.setLength(0);
                return value;
            }
        }

        return value;

    } // getNodeValueString(int,boolean):String

    /**
     * Returns the value of the given node.
     */
    public String getNodeValue(int nodeIndex) {
        return getNodeValue(nodeIndex, true);
    }
    
	/**
	 * Clears the type info that is stored in the fNodeValue array
	 * @param nodeIndex
	 * @return Object - type information for the attribute/element node
	 */
    public Object getTypeInfo(int nodeIndex) {
        if (nodeIndex == -1) {
            return null;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        
        
        Object value = fNodeValue[chunk] != null ? fNodeValue[chunk][index] : null;
        if (value != null) {
            fNodeValue[chunk][index] = null;
            RefCount c = (RefCount) fNodeValue[chunk][CHUNK_SIZE];
            c.fCount--;
            if (c.fCount == 0) {
                fNodeValue[chunk] = null;
            }
        }
        return value;
    }

    /**
     * Returns the value of the given node.
     * @param free True to free the value index.
     */
    public String getNodeValue(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return null;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        return free ? clearChunkValue(fNodeValue, chunk, index)
                    : getChunkValue(fNodeValue, chunk, index);

    } // getNodeValue(int,boolean):String

    /**
     * Returns the extra info of the given node.
     * Used by AttrImpl to store specified value (1 == true).
     */
    public int getNodeExtra(int nodeIndex) {
        return getNodeExtra(nodeIndex, true);
    }

    /**
     * Returns the extra info of the given node.
     * @param free True to free the value index.
     */
    public int getNodeExtra(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return -1;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        return free ? clearChunkIndex(fNodeExtra, chunk, index)
                    : getChunkIndex(fNodeExtra, chunk, index);

    } // getNodeExtra(int,boolean):int

    /** Returns the type of the given node. */
    public short getNodeType(int nodeIndex) {
        return getNodeType(nodeIndex, true);
    }

    /**
     * Returns the type of the given node.
     * @param free True to free type index.
     */
    public short getNodeType(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return -1;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        return free ? (short)clearChunkIndex(fNodeType, chunk, index)
                    : (short)getChunkIndex(fNodeType, chunk, index);

    } // getNodeType(int):int

    /** Returns the attribute value of the given name. */
    public String getAttribute(int elemIndex, String name) {
        if (elemIndex == -1 || name == null) {
            return null;
        }
        int echunk = elemIndex >> CHUNK_SHIFT;
        int eindex = elemIndex & CHUNK_MASK;
        int attrIndex = getChunkIndex(fNodeExtra, echunk, eindex);
        while (attrIndex != -1) {
            int achunk = attrIndex >> CHUNK_SHIFT;
            int aindex = attrIndex & CHUNK_MASK;
            if (getChunkValue(fNodeName, achunk, aindex) == name) {
                return getChunkValue(fNodeValue, achunk, aindex);
            }
            attrIndex = getChunkIndex(fNodePrevSib, achunk, aindex);
        }
        return null;
    }

    /** Returns the URI of the given node. */
    public String getNodeURI(int nodeIndex) {
        return getNodeURI(nodeIndex, true);
    }

    /**
     * Returns the URI of the given node.
     * @param free True to free URI index.
     */
    public String getNodeURI(int nodeIndex, boolean free) {

        if (nodeIndex == -1) {
            return null;
        }

        int chunk = nodeIndex >> CHUNK_SHIFT;
        int index = nodeIndex & CHUNK_MASK;
        return free ? clearChunkValue(fNodeURI, chunk, index)
                    : getChunkValue(fNodeURI, chunk, index);

    } // getNodeURI(int,int):String

    // identifier maintenance

    /** Registers an identifier name with a specified element node. */
    public void putIdentifier(String name, int elementNodeIndex) {

        if (DEBUG_IDS) {
            System.out.println("putIdentifier(" + name + ", "
                               + elementNodeIndex + ')' + " // " +
                               getChunkValue(fNodeName,
                                             elementNodeIndex >> CHUNK_SHIFT,
                                             elementNodeIndex & CHUNK_MASK));
        }

        // initialize arrays
        if (fIdName == null) {
            fIdName    = new String[64];
            fIdElement = new int[64];
        }

        // resize arrays
        if (fIdCount == fIdName.length) {
            String idName[] = new String[fIdCount * 2];
            System.arraycopy(fIdName, 0, idName, 0, fIdCount);
            fIdName = idName;

            int idElement[] = new int[idName.length];
            System.arraycopy(fIdElement, 0, idElement, 0, fIdCount);
            fIdElement = idElement;
        }

        // store identifier
        fIdName[fIdCount] = name;
        fIdElement[fIdCount] = elementNodeIndex;
        fIdCount++;

    } // putIdentifier(String,int)

    //
    // DEBUG
    //

    /** Prints out the tables. */
    public void print() {

        if (DEBUG_PRINT_REF_COUNTS) {
            System.out.print("num\t");
            System.out.print("type\t");
            System.out.print("name\t");
            System.out.print("val\t");
            System.out.print("par\t");
            System.out.print("lch\t");
            System.out.print("psib");
            System.out.println();
            for (int i = 0; i < fNodeType.length; i++) {
                if (fNodeType[i] != null) {
                    // separator
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.print("--------");
                    System.out.println();

                    // ref count
                    System.out.print(i);
                    System.out.print('\t');
                    switch (fNodeType[i][CHUNK_SIZE]) {
                        case DocumentImpl.ELEMENT_DEFINITION_NODE: { System.out.print("EDef"); break; }
                        case Node.DOCUMENT_NODE: { System.out.print("Doc"); break; }
                        case Node.DOCUMENT_TYPE_NODE: { System.out.print("DType"); break; }
                        case Node.COMMENT_NODE: { System.out.print("Com"); break; }
                        case Node.PROCESSING_INSTRUCTION_NODE: { System.out.print("PI"); break; }
                        case Node.ELEMENT_NODE: { System.out.print("Elem"); break; }
                        case Node.ENTITY_NODE: { System.out.print("Ent"); break; }
                        case Node.ENTITY_REFERENCE_NODE: { System.out.print("ERef"); break; }
                        case Node.TEXT_NODE: { System.out.print("Text"); break; }
                        case Node.ATTRIBUTE_NODE: { System.out.print("Attr"); break; }
                        case DeferredNode.TYPE_NODE: { System.out.print("TypeInfo"); break; }
                        default: { System.out.print("?"+fNodeType[i][CHUNK_SIZE]); }
                    }
                    System.out.print('\t');
                    System.out.print(fNodeName[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodeValue[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodeURI[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodeParent[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodeLastChild[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodePrevSib[i][CHUNK_SIZE]);
                    System.out.print('\t');
                    System.out.print(fNodeExtra[i][CHUNK_SIZE]);
                    System.out.println();
                }
            }
        }

        if (DEBUG_PRINT_TABLES) {
            // This assumes that the document is small
            System.out.println("# start table");
            for (int i = 0; i < fNodeCount; i++) {
                int chunk = i >> CHUNK_SHIFT;
                int index = i & CHUNK_MASK;
                if (i % 10 == 0) {
                    System.out.print("num\t");
                    System.out.print("type\t");
                    System.out.print("name\t");
                    System.out.print("val\t");
                    System.out.print("uri\t");
                    System.out.print("par\t");
                    System.out.print("lch\t");
                    System.out.print("psib\t");
                    System.out.print("xtra");
                    System.out.println();
                }
                System.out.print(i);