An XML parser and editor with shades of a Design Pattern

/*
 * Copyright 2003,2004 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.
 */

/*
 * $Id: XSComplexTypeDefinition.hpp 191054 2005-06-17 02:56:35Z jberry $
 */

#if !defined(XSCOMPLEXTYPEDEFINITION_HPP)
#define XSCOMPLEXTYPEDEFINITION_HPP

#include <xercesc/framework/psvi/XSTypeDefinition.hpp>

XERCES_CPP_NAMESPACE_BEGIN

/**
 * This class represents a complexType definition
 * schema component.
 * This is *always* owned by the validator /parser object from which
 * it is obtained.  
 *
 */

// forward declarations
class XSAnnotation;
class XSAttributeUse;
class XSSimpleTypeDefinition;
class XSParticle;
class XSWildcard;
class ComplexTypeInfo;

class XMLPARSER_EXPORT XSComplexTypeDefinition : public XSTypeDefinition
{
public:

	// Content Model Types
    enum CONTENT_TYPE {
	    /**
	     * Represents an empty content type. A content type with the distinguished 
	     * value empty validates elements with no character or element 
	     * information item children. 
	     */
	     CONTENTTYPE_EMPTY         = 0,
	    /**
	     * Represents a simple content type. A content type which is a simple 
	     * validates elements with character-only children. 
	     */
	     CONTENTTYPE_SIMPLE        = 1,
	    /**
	     * Represents an element-only content type. An element-only content type 
	     * validates elements with children that conform to the supplied content 
	     * model. 
	     */
	     CONTENTTYPE_ELEMENT       = 2,
	    /**
	     * Represents a mixed content type.
	     */
	     CONTENTTYPE_MIXED         = 3
	};

    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    /** @name Constructors */
    //@{

    /**
      * The default constructor 
      *
      * @param  complexTypeInfo
      * @param  xsWildcard
      * @param  xsSimpleType
      * @param  xsAttList
      * @param  xsBaseType
      * @param  xsParticle
      * @param  headAnnot
      * @param  xsModel
      * @param  manager     The configurable memory manager
      */
    XSComplexTypeDefinition
    (
        ComplexTypeInfo* const          complexTypeInfo
        , XSWildcard* const             xsWildcard
        , XSSimpleTypeDefinition* const xsSimpleType
        , XSAttributeUseList* const     xsAttList
        , XSTypeDefinition* const       xsBaseType
        , XSParticle* const             xsParticle
        , XSAnnotation* const           headAnnot
        , XSModel* const                xsModel
        , MemoryManager* const          manager = XMLPlatformUtils::fgMemoryManager
    );

    //@};

    /** @name Destructor */
    //@{
    ~XSComplexTypeDefinition();
    //@}

    //---------------------
    /** @name XSComplexTypeDefinition methods */

    //@{

    /**
     * [derivation method]: either <code>DERIVATION_EXTENSION</code>, 
     * <code>DERIVATION_RESTRICTION</code>, or <code>DERIVATION_NONE</code> 
     * (see <code>XSObject</code>). 
     */
    XSConstants::DERIVATION_TYPE getDerivationMethod() const;

    /**
     * [abstract]: a boolean. Complex types for which <code>abstract</code> is 
     * true must not be used as the type definition for the validation of 
     * element information items. 
     */
    bool getAbstract() const;

    /**
     *  A set of attribute uses. 
     */
    XSAttributeUseList *getAttributeUses();

    /**
     * Optional.An attribute wildcard. 
     */
    XSWildcard *getAttributeWildcard() const;

    /**
     * [content type]: one of empty (<code>CONTENTTYPE_EMPTY</code>), a simple 
     * type definition (<code>CONTENTTYPE_SIMPLE</code>), mixed (
     * <code>CONTENTTYPE_MIXED</code>), or element-only (
     * <code>CONTENTTYPE_ELEMENT</code>). 
     */
    CONTENT_TYPE getContentType() const;

    /**
     * A simple type definition corresponding to simple content model, 
     * otherwise <code>null</code> 
     */
    XSSimpleTypeDefinition *getSimpleType() const;

    /**
     * A particle for mixed or element-only content model, otherwise 
     * <code>null</code> 
     */
    XSParticle *getParticle() const;

    /**
     * [prohibited substitutions]: a subset of {extension, restriction}
     * @param toTest  Extention or restriction constants (see 
     *   <code>XSObject</code>). 
     * @return True if toTest is a prohibited substitution, otherwise 
     *   false.
     */
    bool isProhibitedSubstitution(XSConstants::DERIVATION_TYPE toTest);

    /**
     *  [prohibited substitutions]: A subset of {extension, restriction} or 
     * <code>DERIVATION_NONE</code> represented as a bit flag (see 
     * <code>XSObject</code>). 
     */
    short getProhibitedSubstitutions() const;

    /**
     * A set of [annotations]. 
     */
    XSAnnotationList *getAnnotations();
    
    /**
     * The name of type <code>NCName</code> of this declaration as defined in 
     * XML Namespaces.
     */
    const XMLCh* getName();

    /**
     *  The [target namespace] of this object, or <code>null</code> if it is 
     * unspecified. 
     */
    const XMLCh* getNamespace();

    /**
     * A namespace schema information item corresponding to the target 
     * namespace of the component, if it's globally declared; or null 
     * otherwise.
     */
    XSNamespaceItem *getNamespaceItem();

    /**
     *  A boolean that specifies if the type definition is 
     * anonymous. Convenience attribute. 
     */
    bool getAnonymous() const;

    /**
     * {base type definition}: either a simple type definition or a complex 
     * type definition. 
     */
    XSTypeDefinition *getBaseType();

    /**
     * Convenience method: check if this type is derived from the given 
     * <code>ancestorType</code>. 
     * @param ancestorType  An ancestor type definition. 
     * @return  Return true if this type is derived from 
     *   <code>ancestorType</code>.
     */
    bool derivedFromType(const XSTypeDefinition* const ancestorType);

    //@}

    //----------------------------------
    /** methods needed by implementation */

    //@{


    //@}

private:

    /**
     * Set the base type
     */
    void setBaseType(XSTypeDefinition* const xsBaseType);
    friend class XSObjectFactory;

    // -----------------------------------------------------------------------
    //  Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    XSComplexTypeDefinition(const XSComplexTypeDefinition&);
    XSComplexTypeDefinition & operator=(const XSComplexTypeDefinition &);

protected:

    // -----------------------------------------------------------------------
    //  data members
    // -----------------------------------------------------------------------
    ComplexTypeInfo*        fComplexTypeInfo;
    XSWildcard*             fXSWildcard;
    XSAttributeUseList*     fXSAttributeUseList;
    XSSimpleTypeDefinition* fXSSimpleTypeDefinition;
    XSAnnotationList*       fXSAnnotationList;
    XSParticle*             fParticle;
    short                   fProhibitedSubstitution;
};


inline XSAttributeUseList* XSComplexTypeDefinition::getAttributeUses()
{
    return fXSAttributeUseList;
}

inline XSWildcard* XSComplexTypeDefinition::getAttributeWildcard() const
{
    return fXSWildcard;
}

inline XSSimpleTypeDefinition* XSComplexTypeDefinition::getSimpleType() const
{
    return fXSSimpleTypeDefinition;
}

inline short XSComplexTypeDefinition::getProhibitedSubstitutions() const
{
    return fProhibitedSubstitution;
}

inline XSParticle *XSComplexTypeDefinition::getParticle() const
{
    return fParticle;
}

inline void
XSComplexTypeDefinition::setBaseType(XSTypeDefinition* const xsBaseType)
{
    fBaseType = xsBaseType;
}

XERCES_CPP_NAMESPACE_END

#endif