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// Copyright 2008, Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This file contains the declaration of the XsdHandler class.
#ifndef KML_XSD_XSD_HANDLER_H__
#define KML_XSD_XSD_HANDLER_H__
#include <stack>
#include "boost/scoped_ptr.hpp"
#include "kml/base/expat_handler.h"
#include "kml/xsd/xsd_type.h"
namespace kmlbase {
class Attributes;
}
namespace kmlxsd {
class XsdFile;
// This ExpatHandler specialization parses an XSD file. Overall usage is:
// // Read the XSD file.
// string xsd_data;
// File::ReadFileToString("my.xsd", &xsd_data);
// // Parse it.
// XsdHandler my_xsd_handler;
// ExpatParser(xsd_data, &my_xsd_handler);
class XsdHandler : public kmlbase::ExpatHandler {
public:
XsdHandler(XsdFile* xsd_file)
: xsd_file_(xsd_file),
current_type_(NULL) {
}
virtual ~XsdHandler() {}
// ExpatHandler::StartElement.
virtual void StartElement(const string& element_name,
const kmlbase::StringVector& atts);
// ExpatHandler::EndElement.
virtual void EndElement(const string& element_name);
// ExpatHandler::CharData. No XSD element has character data.
virtual void CharData(const string& s) {}
private:
XsdFile* xsd_file_;
// <xs:element> processing.
void StartXsElement(const kmlbase::Attributes& attributes);
// <xs:complexType> processing.
void StartComplexType(const kmlbase::Attributes& attributes);
void StartExtension(const kmlbase::Attributes& attributes);
// <xs:simpleType> processing.
void StartSimpleType(const kmlbase::Attributes& attributes);
void StartRestriction(const kmlbase::Attributes& attributes);
void StartEnumeration(const kmlbase::Attributes& attributes);
void EndType();
XsdTypePtr current_type_;
std::stack<string> parse_;
};
} // end namespace kmlxsd
#endif // KML_XSD_XSD_HANDLER_H__