XQuilla/include/xqilla/schema/DocumentCacheImpl.hpp
2020-02-17 22:05:20 +01:00

177 lines
7.3 KiB
C++

/*
* Copyright (c) 2001-2006
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004-2006
* Progress Software Corporation. All rights reserved.
* Copyright (c) 2004-2006
* Oracle. All rights reserved.
*
* See the file LICENSE for redistribution information.
*
* $Id: DocumentCacheImpl.hpp,v 1.16 2006/11/01 16:37:17 jpcs Exp $
*/
#ifndef _DOCUMENTCACHEIMPL_HPP
#define _DOCUMENTCACHEIMPL_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/sax/ErrorHandler.hpp>
#include <xercesc/util/RefHashTableOf.hpp>
#include <xercesc/util/ValueHashTableOf.hpp>
#include <xercesc/validators/common/GrammarResolver.hpp>
#include <xqilla/schema/DocumentCache.hpp>
class DynamicContext;
class QualifiedName;
XERCES_CPP_NAMESPACE_BEGIN
class DOMDocument;
class SchemaGrammar;
class XMLGrammarPool;
XERCES_CPP_NAMESPACE_END
class XQILLA_API XQillaGrammarResolver : public XERCES_CPP_NAMESPACE_QUALIFIER GrammarResolver
{
public:
XQillaGrammarResolver(XERCES_CPP_NAMESPACE_QUALIFIER XMLGrammarPool* const gramPool,
XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* const manager = XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
};
// convert errors into exceptions
class XQILLA_API DocumentCacheErrorCatcher : public XERCES_CPP_NAMESPACE_QUALIFIER ErrorHandler
{
public:
// ErrorHandler interface
void warning(const XERCES_CPP_NAMESPACE_QUALIFIER SAXParseException& toCatch);
void error(const XERCES_CPP_NAMESPACE_QUALIFIER SAXParseException& toCatch);
void fatalError(const XERCES_CPP_NAMESPACE_QUALIFIER SAXParseException& toCatch);
void resetErrors();
protected:
};
// custom parser to manipulate the schema repository
class XQILLA_API DocumentCacheParser : public XERCES_CPP_NAMESPACE_QUALIFIER XercesDOMParser
{
public:
DocumentCacheParser(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr, XERCES_CPP_NAMESPACE_QUALIFIER XMLGrammarPool* xmlgr = 0);
DocumentCacheParser(const DocumentCacheParser &parent, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr);
~DocumentCacheParser();
void init();
/** Override the creation of the DOM Document, so that we can use our own memory manager */
virtual void startDocument();
/**
* Overload the parse method, to create the document from a different memory manager.
* NB the Grammar info in the tree will still be in the same memory manager as the parser.
*/
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *parseWithContext(const XMLCh* const uri, DynamicContext *context);
/**
* Overload the parse method, to create the document from a different memory manager.
* NB the Grammar info in the tree will still be in the same memory manager as the parser.
*/
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *parseWithContext(const XERCES_CPP_NAMESPACE_QUALIFIER InputSource &source, DynamicContext *context);
XERCES_CPP_NAMESPACE_QUALIFIER GrammarResolver* getGrammarResolver() const
{
return XercesDOMParser::getGrammarResolver();
}
/** Pre parse the schema at the given uri */
void loadSchema(const XMLCh* const uri, const XMLCh* location, StaticContext *context);
unsigned int getSchemaUriId(const XMLCh* uri) const;
const XMLCh* getSchemaUri(unsigned int id) const;
XERCES_CPP_NAMESPACE_QUALIFIER SchemaElementDecl* getElementDecl(const XMLCh* elementUri, const XMLCh* elementName) const;
XERCES_CPP_NAMESPACE_QUALIFIER SchemaAttDef* getAttributeDecl(const XMLCh* attributeUri, const XMLCh* attributeName) const;
Node::Ptr validate(const Node::Ptr &node, DocumentCache::ValidationMode valMode, DynamicContext *context);
virtual void error
(
const unsigned int errCode
, const XMLCh* const msgDomain
, const XERCES_CPP_NAMESPACE_QUALIFIER XMLErrorReporter::ErrTypes errType
, const XMLCh* const errorText
, const XMLCh* const systemId
, const XMLCh* const publicId
, const XMLSSize_t lineNum
, const XMLSSize_t colNum
);
static const XMLCh g_szUntyped[];
protected:
bool isChildElement( XERCES_CPP_NAMESPACE_QUALIFIER ContentSpecNode *topContentSpec, unsigned int uriId, const XMLCh* localPart ) const;
DocumentCacheErrorCatcher _errorHandler;
DynamicContext *_context;
};
/// The class that performs the (cached) parsing of input documents
class XQILLA_API DocumentCacheImpl : public DocumentCache
{
public:
DocumentCacheImpl(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr, XERCES_CPP_NAMESPACE_QUALIFIER XMLGrammarPool* xmlgr = 0);
DocumentCacheImpl(const DocumentCacheImpl *parent, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr);
~DocumentCacheImpl();
/**
* Sets the XMLEntityResolver that is used by Xerces when it is used
* to parse documents. This affects the behaviour of XQilla whenever
* it retrieves an XML, DTD or XML Schema grammar.
*/
virtual void setXMLEntityResolver(XERCES_CPP_NAMESPACE_QUALIFIER XMLEntityResolver* const handler);
virtual XERCES_CPP_NAMESPACE_QUALIFIER XMLEntityResolver* getXMLEntityResolver() const;
/** load the DOM document from the requested URI (or get it from the cache) */
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *loadXMLDocument(const XMLCh* Uri, DynamicContext *context);
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *loadXMLDocument(XERCES_CPP_NAMESPACE_QUALIFIER
InputSource& inputSource, DynamicContext *context);
/*
* returns true if the type represented by uri:typename is an instance of uriToCheck:typeNameToCheck
*
* ie: to check
* xs:integer instance of xs:decimal,
* call
* isTypeOrDerivedFromType("xs", "integer", "xs", "decimal")
* (except of course, call with URIs, not prefixes!)
*/
virtual bool isTypeOrDerivedFromType(const XMLCh* const uri, const XMLCh* const typeName,
const XMLCh* const uriToCheck, const XMLCh* const typeNameToCheck) const;
virtual bool isTypeDefined(const XMLCh* const uri, const XMLCh* const typeName) const;
virtual void addSchemaLocation(const XMLCh* uri, VectorOfStrings* locations, StaticContext *context);
/** helper functions used to map namespace ids found in the SchemaGrammar **/
virtual unsigned int getSchemaUriId(const XMLCh* uri) const;
virtual const XMLCh* getSchemaUri(unsigned int id) const;
virtual Node::Ptr validate(const Node::Ptr &node, DocumentCache::ValidationMode valMode, DynamicContext *context);
virtual XERCES_CPP_NAMESPACE_QUALIFIER DatatypeValidator* getDatatypeValidator(const XMLCh* uri, const XMLCh* typeName) const;
virtual XERCES_CPP_NAMESPACE_QUALIFIER ComplexTypeInfo* getComplexTypeInfo(const XMLCh* uri, const XMLCh* typeName) const;
virtual XERCES_CPP_NAMESPACE_QUALIFIER SchemaElementDecl* getElementDecl(const XMLCh* elementUri, const XMLCh* elementName) const;
virtual XERCES_CPP_NAMESPACE_QUALIFIER SchemaAttDef* getAttributeDecl(const XMLCh* attributeUri, const XMLCh* attributeName) const;
virtual DocumentCache *createDerivedCache(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *memMgr) const;
protected:
DocumentCacheParser _parser;
XERCES_CPP_NAMESPACE_QUALIFIER XMLStringPool* _loadedSchemas;
XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* _memMgr;
};
#endif