xml-copy-editor-code/src/xmlschemagenerator.h

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2012-08-25 02:19:11 +02:00
/*
* Copyright 2012 Zane U. Ji.
*
* This file is part of Xml Copy Editor.
*
* Xml Copy Editor is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* Xml Copy Editor is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Xml Copy Editor; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef XMLSCHEMAGENERATOR_H_
#define XMLSCHEMAGENERATOR_H_
#include <wx/wx.h>
#include <wx/textfile.h>
#include <string>
#include <map>
#include <set>
#include <vector>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/validators/common/Grammar.hpp>
using namespace xercesc;
class XmlSchemaGenerator
{
public:
XmlSchemaGenerator ( bool inlineSimpleType = true );
virtual ~XmlSchemaGenerator();
const wxString &generate ( Grammar::GrammarType grammarType,
const wxString &filepath, const char *buffer, size_t len );
const wxString &getLastError() { return mLastError; }
static void addIndent ( wxString &str, size_t nIndent )
{
for ( size_t i = nIndent; i-- > 0; )
str << _T(" ");
}
static const wxChar *getEOL() { return wxTextFile::GetEOL(); }
protected:
class ChildData
{
public:
ChildData() : minOccurs ( 1 ), maxOccurs ( 1 ) {}
size_t minOccurs, maxOccurs;
std::set<wxString> prevSiblings;
};
class ElmtData
{
public:
ElmtData() : useSequence ( true ) { }
// All occurs
std::set<const DOMElement*> nodes;
// Node name. Also used to indicate if the following data are valid
wxString name;
// These are not needed when we don't need to inline empty elements.
// The schema can be created right after we have all the data.
std::map<wxString, ChildData> children;
// Sequence of children
std::vector<wxString> sequence;
bool useSequence; // Use xs:sequence or xs:choice
// Attribute name and default value
std::map<wxString, const XMLCh *> attrMap;
// Optional attributes
std::set<wxString> optAttrs;
wxString schema;
};
void findAllElements ( const DOMElement &element, size_t nIndent = 0 );
void generateData ( const DOMElement &element, size_t nIndent = 0 );
void generateData ( const wxString &elementName, size_t nIndent = 0 );
void outputSchema ( const DOMElement &element );
void generateSchema ( ElmtData &data, size_t nIndent );
void generateDTD ( ElmtData &data, size_t nIndent );
// Returns false if there is a loop dependence, which means that
// <xs:choice> has to be used.
bool getSequence ( std::vector<wxString> &sequence,
const std::map<wxString, ChildData> &elmtMap );
protected:
bool mInlineSimpleType;
Grammar::GrammarType mGrammarType;
std::map<wxString, ElmtData> mElements;
wxString mSchema, mLastError;
};
#endif /* XMLSCHEMAGENERATOR_H_ */