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Diffstat (limited to 'src/com/sun/org/apache/xerces/internal/xpointer/ShortHandPointer.java')
| -rw-r--r-- | src/com/sun/org/apache/xerces/internal/xpointer/ShortHandPointer.java | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/src/com/sun/org/apache/xerces/internal/xpointer/ShortHandPointer.java b/src/com/sun/org/apache/xerces/internal/xpointer/ShortHandPointer.java deleted file mode 100644 index 1317deb..0000000 --- a/src/com/sun/org/apache/xerces/internal/xpointer/ShortHandPointer.java +++ /dev/null @@ -1,296 +0,0 @@ -/* - * reserved comment block - * DO NOT REMOVE OR ALTER! - */ -/* - * Copyright 2005 The Apache Software Foundation. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package com.sun.org.apache.xerces.internal.xpointer; - -import com.sun.org.apache.xerces.internal.impl.Constants; -import com.sun.org.apache.xerces.internal.impl.dv.XSSimpleType; -import com.sun.org.apache.xerces.internal.util.SymbolTable; -import com.sun.org.apache.xerces.internal.xni.Augmentations; -import com.sun.org.apache.xerces.internal.xni.QName; -import com.sun.org.apache.xerces.internal.xni.XMLAttributes; -import com.sun.org.apache.xerces.internal.xni.XNIException; -import com.sun.org.apache.xerces.internal.xs.AttributePSVI; -import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition; - -/** - * <p> - * Implements the XPointerPart interface and handles processing of - * ShortHand Pointers. It identifies at most one element in the - * resource's information set; specifically, the first one (if any) - * in document order that has a matching NCName as an identifier. - * </p> - * - * - */ -class ShortHandPointer implements XPointerPart { - - // The name of the ShortHand pointer - private String fShortHandPointer; - - // The name of the ShortHand pointer - private boolean fIsFragmentResolved = false; - - // SymbolTable - private SymbolTable fSymbolTable; - - // - // Constructors - // - public ShortHandPointer() { - } - - public ShortHandPointer(SymbolTable symbolTable) { - fSymbolTable = symbolTable; - } - - /** - * The XPointerProcessor takes care of this. Simply set the ShortHand Pointer here. - * - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#parseXPointer(java.lang.String) - */ - public void parseXPointer(String part) throws XNIException { - fShortHandPointer = part; - // reset fIsFragmentResolved - fIsFragmentResolved = false; - } - - /** - * Resolves the XPointer ShortHand pointer based on the rules defined in - * Section 3.2 of the XPointer Framework Recommendation. - * Note that in the current implementation only supports DTD determined ID's. - * - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#resolveXPointer(com.sun.org.apache.xerces.internal.xni.QName, com.sun.org.apache.xerces.internal.xni.XMLAttributes, com.sun.org.apache.xerces.internal.xni.Augmentations, int event) - */ - int fMatchingChildCount = 0; - public boolean resolveXPointer(QName element, XMLAttributes attributes, - Augmentations augs, int event) throws XNIException { - - // reset fIsFragmentResolved - if (fMatchingChildCount == 0) { - fIsFragmentResolved = false; - } - - // On startElement or emptyElement, if no matching elements or parent - // elements were found, check for a matching idenfitier. - if (event == XPointerPart.EVENT_ELEMENT_START) { - if (fMatchingChildCount == 0) { - fIsFragmentResolved = hasMatchingIdentifier(element, attributes, augs, - event); - } - if (fIsFragmentResolved) { - fMatchingChildCount++; - } - } else if (event == XPointerPart.EVENT_ELEMENT_EMPTY) { - if (fMatchingChildCount == 0) { - fIsFragmentResolved = hasMatchingIdentifier(element, attributes, augs, - event); - } - } - else { - // On endElement, decrease the matching child count if the child or - // its parent was resolved. - if (fIsFragmentResolved) { - fMatchingChildCount--; - } - } - - return fIsFragmentResolved ; - } - - /** - * - * @param element - * @param attributes - * @param augs - * @param event - * @return - * @throws XNIException - */ - private boolean hasMatchingIdentifier(QName element, - XMLAttributes attributes, Augmentations augs, int event) - throws XNIException { - String normalizedValue = null; - - // The identifiers of an element are determined by the - // ShortHand Pointer as follows: - - if (attributes != null) { - for (int i = 0; i < attributes.getLength(); i++) { - - // 1. If an element information item has an attribute information item - // among its [attributes] that is a schema-determined ID, then it is - // identified by the value of that attribute information item's - // [schema normalized value] property; - normalizedValue = getSchemaDeterminedID(attributes, i); - if (normalizedValue != null) { - break; - } - - // 2. If an element information item has an element information item among - // its [children] that is a schema-determined ID, then it is identified by - // the value of that element information item's [schema normalized value] property; - // ??? - normalizedValue = getChildrenSchemaDeterminedID(attributes, i); - if (normalizedValue != null) { - break; - } - - // 3. If an element information item has an attribute information item among - // its [attributes] that is a DTD-determined ID, then it is identified by the - // value of that attribute information item's [normalized value] property. - // An attribute information item is a DTD-determined ID if and only if it has - // a [type definition] property whose value is equal to ID. - normalizedValue = getDTDDeterminedID(attributes, i); - if (normalizedValue != null) { - break; - } - // 4. No externally determined ID's - } - } - - if (normalizedValue != null - && normalizedValue.equals(fShortHandPointer)) { - return true; - } - - return false; - } - - /** - * Rerturns the DTD determine-ID - * - * @param attributes - * @param index - * @return String - * @throws XNIException - */ - public String getDTDDeterminedID(XMLAttributes attributes, int index) - throws XNIException { - - if (attributes.getType(index).equals("ID")) { - return attributes.getValue(index); - } - return null; - } - - /** - * Returns the schema-determined-ID. - * - * - * @param attributes - * @param index - * @return A String containing the schema-determined ID. - * @throws XNIException - */ - public String getSchemaDeterminedID(XMLAttributes attributes, int index) - throws XNIException { - Augmentations augs = attributes.getAugmentations(index); - AttributePSVI attrPSVI = (AttributePSVI) augs - .getItem(Constants.ATTRIBUTE_PSVI); - - if (attrPSVI != null) { - // An element or attribute information item is a schema-determined - // ID if and only if one of the following is true:] - - // 1. It has a [member type definition] or [type definition] property - // whose value in turn has [name] equal to ID and [target namespace] - // equal to http://www.w3.org/2001/XMLSchema; - - // 2. It has a [base type definition] whose value has that [name] and [target namespace]; - - // 3. It has a [base type definition] whose value has a [base type definition] - // whose value has that [name] and [target namespace], and so on following - // the [base type definition] property recursively; - - XSTypeDefinition typeDef = attrPSVI.getMemberTypeDefinition(); - if (typeDef != null) { - typeDef = attrPSVI.getTypeDefinition(); - } - - // - if (typeDef != null && ((XSSimpleType) typeDef).isIDType()) { - return attrPSVI.getSchemaNormalizedValue(); - } - - // 4 & 5 NA - } - - return null; - } - - /** - * Not quite sure how this can be correctly implemented. - * - * @param attributes - * @param index - * @return String - We return null since we currenly do not supprt this. - * @throws XNIException - */ - public String getChildrenSchemaDeterminedID(XMLAttributes attributes, - int index) throws XNIException { - return null; - } - - /** - * - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#isFragmentResolved() - */ - public boolean isFragmentResolved() { - return fIsFragmentResolved; - } - - /** - * - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#isChildFragmentResolved() - */ - public boolean isChildFragmentResolved() { - return fIsFragmentResolved & ( fMatchingChildCount > 0); - } - - /** - * Returns the name of the ShortHand pointer - * - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#getSchemeName() - */ - public String getSchemeName() { - return fShortHandPointer; - } - - /** - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#getSchemeData() - */ - public String getSchemeData() { - return null; - } - - /** - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#setSchemeName(java.lang.String) - */ - public void setSchemeName(String schemeName) { - fShortHandPointer = schemeName; - } - - /** - * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#setSchemeData(java.lang.String) - */ - public void setSchemeData(String schemeData) { - // NA - } -} |