xsattributegroupdecl.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 400 行 · 第 1/2 页

                    	                     attrUse.fUse == SchemaSymbols.USE_OPTIONAL ? SchemaSymbols.ATTVAL_OPTIONAL : SchemaSymbols.ATTVAL_PROHIBITED,
                                             "derivation-ok-restriction.2.1.1"};
                    return errorArgs;
                }

                // if this attribute is prohibited in the derived type, don't
                // need to check any of the following constraints.
                if (attrUse.fUse == SchemaSymbols.USE_PROHIBITED) {
                    continue;
                }

                baseAttrDecl = baseAttrUse.fAttrDecl;
                //
                // derivation-ok-restriction.  Constraint 2.1.1
                //
                if (! XSConstraints.checkSimpleDerivationOk(attrDecl.fType,
                                                            baseAttrDecl.fType,
                                                            baseAttrDecl.fType.getFinal()) ) {
					errorArgs = new Object[]{typeName, attrDecl.fName, attrDecl.fType.getName(),
						                     baseAttrDecl.fType.getName(), "derivation-ok-restriction.2.1.2"};
					return errorArgs;
                }


                //
                // derivation-ok-restriction.  Constraint 2.1.3
                //
                int baseConsType=baseAttrUse.fConstraintType!=XSConstants.VC_NONE?
                                 baseAttrUse.fConstraintType:baseAttrDecl.getConstraintType();
                int thisConstType = attrUse.fConstraintType!=XSConstants.VC_NONE?
                                    attrUse.fConstraintType:attrDecl.getConstraintType();

                if (baseConsType == XSConstants.VC_FIXED) {

                    if (thisConstType != XSConstants.VC_FIXED) {
						errorArgs = new Object[]{typeName, attrDecl.fName,
												 "derivation-ok-restriction.2.1.3.a"};
						return errorArgs;
                    } else {
                        // check the values are the same.
                        ValidatedInfo baseFixedValue=(baseAttrUse.fDefault!=null ?
                                                      baseAttrUse.fDefault: baseAttrDecl.fDefault);
                        ValidatedInfo thisFixedValue=(attrUse.fDefault!=null ?
                                                      attrUse.fDefault: attrDecl.fDefault);
                        if (!baseFixedValue.actualValue.equals(thisFixedValue.actualValue)) {
							errorArgs = new Object[]{typeName, attrDecl.fName, thisFixedValue.stringValue(),
													 baseFixedValue.stringValue(), "derivation-ok-restriction.2.1.3.b"};
							return errorArgs;
                        }

                    }

                }
            } else {
                // No matching attribute in base - there should be a matching wildcard

                //
                // derivation-ok-restriction.  Constraint 2.2
                //
                if (baseGroup.fAttributeWC == null) {
					errorArgs = new Object[]{typeName, attrDecl.fName,
											 "derivation-ok-restriction.2.2.a"};
					return errorArgs;
                }
                else if (!baseGroup.fAttributeWC.allowNamespace(attrDecl.fTargetNamespace)) {
					errorArgs = new Object[]{typeName, attrDecl.fName,
                                             attrDecl.fTargetNamespace==null?"":attrDecl.fTargetNamespace,
											 "derivation-ok-restriction.2.2.b"};
					return errorArgs;
                }
            }
        }

        //
        // Check that any REQUIRED attributes in the base have matching attributes
        // in this group
        // derivation-ok-restriction.  Constraint 3
        //
        for (int i=0; i<baseGroup.fAttrUseNum; i++) {

            baseAttrUse = baseGroup.fAttributeUses[i];

            if (baseAttrUse.fUse == SchemaSymbols.USE_REQUIRED) {

                baseAttrDecl = baseAttrUse.fAttrDecl;
                // Look for a match in this group
                if (getAttributeUse(baseAttrDecl.fTargetNamespace,baseAttrDecl.fName) == null) {
					errorArgs = new Object[]{typeName, baseAttrUse.fAttrDecl.fName,
											 "derivation-ok-restriction.3"};
					return errorArgs;
                }
            }
        }


        // Now, check wildcards
        //
        // derivation-ok-restriction.  Constraint 4
        //
        if (fAttributeWC != null) {
            if (baseGroup.fAttributeWC == null) {
				errorArgs = new Object[]{typeName, "derivation-ok-restriction.4.1"};
				return errorArgs;
            }
            if (! fAttributeWC.isSubsetOf(baseGroup.fAttributeWC)) {
				errorArgs = new Object[]{typeName, "derivation-ok-restriction.4.2"};
				return errorArgs;
            }
            if (fAttributeWC.weakerProcessContents(baseGroup.fAttributeWC)) {
				errorArgs = new Object[]{typeName,
										 fAttributeWC.getProcessContentsAsString(),
										 baseGroup.fAttributeWC.getProcessContentsAsString(),
										 "derivation-ok-restriction.4.3"};
				return errorArgs;
            }
        }

        return null;

    }

    static final XSAttributeUseImpl[] resize(XSAttributeUseImpl[] oldArray, int newSize) {
        XSAttributeUseImpl[] newArray = new XSAttributeUseImpl[newSize];
        System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize));
        return newArray;
    }

    // reset the attribute group declaration
    public void reset(){
        fName = null;
        fTargetNamespace = null;
        // reset attribute uses
        for (int i=0;i<fAttrUseNum;i++) {
            fAttributeUses[i] = null;
        } 
        fAttrUseNum = 0;
        fAttributeWC = null;
        fAnnotation = null;
        fIDAttrName = null;

    }

    /**
     * Get the type of the object, i.e ELEMENT_DECLARATION.
     */
    public short getType() {
        return XSConstants.ATTRIBUTE_GROUP;
    }

    /**
     * The <code>name</code> of this <code>XSObject</code> depending on the
     * <code>XSObject</code> type.
     */
    public String getName() {
        return fName;
    }

    /**
     * The namespace URI of this node, or <code>null</code> if it is
     * unspecified.  defines how a namespace URI is attached to schema
     * components.
     */
    public String getNamespace() {
        return fTargetNamespace;
    }

    /**
     * {attribute uses} A set of attribute uses.
     */
    public XSObjectList getAttributeUses() {
        if (fAttrUses == null){
            fAttrUses = new XSObjectListImpl(fAttributeUses, fAttrUseNum);
        }
        return fAttrUses;
    }

    /**
     * {attribute wildcard} Optional. A wildcard.
     */
    public XSWildcard getAttributeWildcard() {
        return fAttributeWC;
    }

    /**
     * Optional. Annotation.
     */
    public XSAnnotation getAnnotation() {
        return fAnnotation;
    }
    
	/**
	 * @see com.sun.org.apache.xerces.internal.xs.XSObject#getNamespaceItem()
	 */
	public XSNamespaceItem getNamespaceItem() {
        //REVISIT: implement
		return null;
	}

} // class XSAttributeGroupDecl