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// **********************************************************************
//
// Copyright (c) 2002
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#ifndef XML_TRANSFORM_H
#define XML_TRANSFORM_H
#include <Freeze/DB.h>
#include <IceUtil/OutputUtil.h>
#include <xercesc/dom/DOM.hpp>
#include <map>
#ifdef WIN32
# ifdef XML_TRANSFORM_API_EXPORTS
# define XML_TRANSFORM_API __declspec(dllexport)
# else
# define XML_TRANSFORM_API __declspec(dllimport)
# endif
#else
# define XML_TRANSFORM_API /**/
#endif
namespace XMLTransform
{
//
// Raised in the case that the transform is illegal.
//
class XML_TRANSFORM_API IllegalTransform : public ::IceUtil::Exception
{
public:
IllegalTransform(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Raised in the case that the given schema is incompatible with the old schema.
//
class XML_TRANSFORM_API IncompatibleSchema : public ::IceUtil::Exception
{
public:
IncompatibleSchema(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Raised in the case that the given schema is not an XML schema.
//
class XML_TRANSFORM_API InvalidSchema : public ::IceUtil::Exception
{
public:
InvalidSchema(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Raised in the case that the given XML instance document violates the associated schema.
//
class XML_TRANSFORM_API SchemaViolation : public ::IceUtil::Exception
{
public:
SchemaViolation(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Raised if a type was not found in the new schema.
//
class XML_TRANSFORM_API MissingTypeException : public ::IceUtil::Exception
{
public:
MissingTypeException(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Raised in the case of a general transformation failure.
//
class XML_TRANSFORM_API TransformException : public ::IceUtil::Exception
{
public:
TransformException(const char*, int);
virtual ::std::string ice_name() const;
virtual void ice_print(::std::ostream&) const;
virtual ::IceUtil::Exception* ice_clone() const;
virtual void ice_throw() const;
::std::string reason;
};
//
// Map from namespace prefix to namespace URI.
//
typedef ::std::map< ::std::string, ::std::string> PrefixURIMap;
//
// This represents the information associated with an XML document. Note that the namespace information is
// only retrieved from the top-level node (which matches the layout of XML schema documents).
//
class XML_TRANSFORM_API DocumentInfo : public ::IceUtil::Shared
{
public:
DocumentInfo(DOMDocument*, bool, DOMNode*, const ::std::string& = "");
~DocumentInfo();
DOMDocument* getDocument() const;
::std::string findURI(const ::std::string& prefix) const;
::std::string getTargetNamespace() const;
private:
DOMDocument* _document;
bool _releaseDocument;
PrefixURIMap _nsMap;
::std::string _targetNamespace;
};
typedef ::IceUtil::Handle<DocumentInfo> DocumentInfoPtr;
//
// Transform interface.
//
class XML_TRANSFORM_API Transform : public ::IceUtil::Shared
{
public:
Transform();
virtual ~Transform();
typedef ::std::map< ::std::string, ::std::string > MissingTypeMap;
virtual void transform(::IceUtil::XMLOutput&, const DocumentInfoPtr&, const ::std::string&, DOMNode*,
const MissingTypeMap&) = 0;
virtual void checkMissingTypes(const DocumentInfoPtr&, DOMNode*, const MissingTypeMap&) { }
virtual void collectMissingTypes(const DocumentInfoPtr&, DOMNode*, MissingTypeMap&) { }
virtual ::std::ostream& print(::std::ostream&) = 0;
};
typedef ::IceUtil::Handle<Transform> TransformPtr;
//
// Map of string to transform type.
//
typedef ::std::map< ::std::string, TransformPtr> TransformMap;
//
// Given an old and new XML schema, this class will transform an instance document that corresponds to the old
// schema formation into a document that matches the new schema.
//
class XML_TRANSFORM_API Transformer
{
public:
Transformer(const Ice::StringSeq&, const Ice::StringSeq&, const Ice::StringSeq&, const Ice::StringSeq&,
DOMDocument*, DOMDocument*);
~Transformer();
void transform(::IceUtil::XMLOutput&, DOMDocument*, const std::string&, bool, bool = true);
private:
//
// Map of local@uri element names to transforms. Needed for actual
// transform.
//
TransformMap _elements;
//
// Map of local@uri class transforms (based on static type). This
// information cached for creation of the transform.
//
TransformMap _staticClassTransforms;
};
class XML_TRANSFORM_API DBTransformer
{
public:
DBTransformer(const Freeze::DBEnvironmentPtr&, const Freeze::DBPtr&, const Ice::StringSeq&, const Ice::StringSeq&,
const Ice::StringSeq&, const Ice::StringSeq&, bool);
~DBTransformer();
//
// This version allows the caller to specify the filenames for the
// old and new schemas.
//
void transform(const std::string&, const std::string&);
//
// This version allows the caller to specify a single schema for
// transformation. This is commonly used for schemas whose formal
// types don't change, but whose actual (instance) types do change.
//
void transform(const std::string&);
private:
void transform(DOMDocument*, DOMDocument*);
Freeze::DBEnvironmentPtr _dbEnv;
Freeze::DBPtr _db;
Ice::StringSeq _loadOld;
Ice::StringSeq _loadNew;
Ice::StringSeq _pathOld;
Ice::StringSeq _pathNew;
bool _force;
};
} // End namespace XMLTransform
#endif
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