XMLValidator.hpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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: XMLValidator.hpp 932887 2010-04-11 13:04:59Z borisk $
 */

#if !defined(XERCESC_INCLUDE_GUARD_XMLVALIDATOR_HPP)
#define XERCESC_INCLUDE_GUARD_XMLVALIDATOR_HPP

#include <xercesc/framework/XMLAttr.hpp>
#include <xercesc/framework/XMLValidityCodes.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class ReaderMgr;
class XMLBufferMgr;
class XMLElementDecl;
class XMLScanner;
class Grammar;


class XMLPARSER_EXPORT XMLValidator : public XMemory
{
public:
    // -----------------------------------------------------------------------
    //  Constructors are hidden, just the virtual destructor is exposed
    // -----------------------------------------------------------------------


    virtual ~XMLValidator()
    {
    }


    // -----------------------------------------------------------------------
    //  The virtual validator interface
    // -----------------------------------------------------------------------


    virtual bool checkContent
    (
        XMLElementDecl* const   elemDecl
        , QName** const         children
        , XMLSize_t             childCount
        , XMLSize_t*            indexFailingChild
    ) = 0;

    virtual void faultInAttr
    (
                XMLAttr&    toFill
        , const XMLAttDef&  attDef
    )   const = 0;

    virtual void preContentValidation(bool reuseGrammar,
                                      bool validateDefAttr = false) = 0;

    virtual void postParseValidation() = 0;

    virtual void reset() = 0;

    virtual bool requiresNamespaces() const = 0;

    virtual void validateAttrValue
    (
        const   XMLAttDef*                  attDef
        , const XMLCh* const                attrValue
        , bool                              preValidation = false
        , const XMLElementDecl*             elemDecl = 0
    ) = 0;

    virtual void validateElement
    (
        const   XMLElementDecl*             elemDef
    ) = 0;

    virtual Grammar* getGrammar() const =0;

    virtual void setGrammar(Grammar* aGrammar) =0;



    // -----------------------------------------------------------------------
    //  Virtual DTD handler interface.
    // -----------------------------------------------------------------------


    virtual bool handlesDTD() const = 0;

    // -----------------------------------------------------------------------
    //  Virtual Schema handler interface.
    // -----------------------------------------------------------------------

    virtual bool handlesSchema() const = 0;


    // -----------------------------------------------------------------------
    //  Setter methods
    //
    //  setScannerInfo() is called by the scanner to tell the validator
    //  about the stuff it needs to have access to.
    // -----------------------------------------------------------------------


    void setScannerInfo
    (
        XMLScanner* const           owningScanner
        , ReaderMgr* const          readerMgr
        , XMLBufferMgr* const       bufMgr
    );

    void setErrorReporter
    (
        XMLErrorReporter* const errorReporter
    );



    // -----------------------------------------------------------------------
    //  Error emitter methods
    // -----------------------------------------------------------------------


    void emitError(const XMLValid::Codes toEmit);
    void emitError
    (
        const   XMLValid::Codes toEmit
        , const XMLCh* const    text1
        , const XMLCh* const    text2 = 0
        , const XMLCh* const    text3 = 0
        , const XMLCh* const    text4 = 0
    );
    void emitError
    (
        const   XMLValid::Codes toEmit
        , const char* const     text1
        , const char* const     text2 = 0
        , const char* const     text3 = 0
        , const char* const     text4 = 0
    );
    void emitError
    (
        const   XMLValid::Codes toEmit
        , const XMLExcepts::Codes   originalErrorCode
        , const XMLCh* const        text1 = 0
        , const XMLCh* const        text2 = 0
        , const XMLCh* const        text3 = 0
        , const XMLCh* const        text4 = 0

    );


protected :
    // -----------------------------------------------------------------------
    //  Hidden constructors
    // -----------------------------------------------------------------------
    XMLValidator
    (
        XMLErrorReporter* const errReporter = 0
    );


    // -----------------------------------------------------------------------
    //  Protected getters
    // -----------------------------------------------------------------------
    const XMLBufferMgr* getBufMgr() const;
    XMLBufferMgr* getBufMgr();
    const ReaderMgr* getReaderMgr() const;
    ReaderMgr* getReaderMgr();
    const XMLScanner* getScanner() const;
    XMLScanner* getScanner();


private :
    // -----------------------------------------------------------------------
    //  Unimplemented Constructors and Operators
    // -----------------------------------------------------------------------
    XMLValidator(const XMLValidator&);
    XMLValidator& operator=(const XMLValidator&);


    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fErrorReporter
    //      The error reporter we are to use, if any.
    //
    // -----------------------------------------------------------------------
    XMLBufferMgr*       fBufMgr;
    XMLErrorReporter*   fErrorReporter;
    ReaderMgr*          fReaderMgr;
    XMLScanner*         fScanner;
};


// -----------------------------------------------------------------------
//  Setter methods
// -----------------------------------------------------------------------
inline void
XMLValidator::setScannerInfo(XMLScanner* const      owningScanner
                            , ReaderMgr* const      readerMgr
                            , XMLBufferMgr* const   bufMgr)
{
    // We don't own any of these, we just reference them
    fScanner = owningScanner;
    fReaderMgr = readerMgr;
    fBufMgr = bufMgr;
}

inline void
XMLValidator::setErrorReporter(XMLErrorReporter* const errorReporter)
{
    fErrorReporter = errorReporter;
}


// ---------------------------------------------------------------------------
//  XMLValidator: Protected getter
// ---------------------------------------------------------------------------
inline const XMLBufferMgr* XMLValidator::getBufMgr() const
{
    return fBufMgr;
}

inline XMLBufferMgr* XMLValidator::getBufMgr()
{
    return fBufMgr;
}

inline const ReaderMgr* XMLValidator::getReaderMgr() const
{
    return fReaderMgr;
}

inline ReaderMgr* XMLValidator::getReaderMgr()
{
    return fReaderMgr;
}

inline const XMLScanner* XMLValidator::getScanner() const
{
    return fScanner;
}

inline XMLScanner* XMLValidator::getScanner()
{
    return fScanner;
}

XERCES_CPP_NAMESPACE_END

#endif