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/*****************************************************************************
*
* Copyright (c) 2000 - 2017, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-442911
* All rights reserved.
*
* This file is part of VisIt. For details, see https://visit.llnl.gov/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the disclaimer (as noted below) in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the LLNS/LLNL 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 LAWRENCE LIVERMORE NATIONAL SECURITY,
* LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS 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.
*
*****************************************************************************/
#ifndef XML_NODE_H
#define XML_NODE_H
#include <state_exports.h>
#include <visitstream.h>
#include <vectortypes.h>
#include <vector>
#include <map>
// ****************************************************************************
// Class: XMLNode
//
// Purpose:
// Very basic tree based xml generator and parser.
//
// Programmer: Cyrus Harrison
// Creation: December 13, 2007
//
// Modifications:
//
// ****************************************************************************
class STATE_API XMLNode
{
public:
XMLNode();
XMLNode(std::istream &);
XMLNode(const std::string&);
XMLNode(const XMLNode&);
virtual ~XMLNode();
XMLNode &operator=(const XMLNode&);
std::string &Name() { return name;}
std::string &Text() { return text;}
const std::string &Name() const { return name;}
const std::string &Text() const { return text;}
std::string &Attribute(const std::string &att_name)
{ return attributes[att_name];}
const std::string &Attribute(const std::string &) const;
bool HasAttribute(const std::string &) const;
bool DeleteAttribute(const std::string &);
void GetAttributeNames(stringVector &) const;
bool HasChildren() const { return !children.empty(); }
int GetNumChildren() const { return (int)children.size(); }
XMLNode *AddChild(const std::string &);
XMLNode *AddChild(const XMLNode &);
XMLNode *GetChild(int index) const;
XMLNode *TakeChild(int index);
bool DeleteChild(int index);
int FindIndex(const std::string &name,
int index_start = 0) const;
std::string ToString(const std::string &indent="") const;
private:
// init & destroy helpers
void Init(const XMLNode&);
void Cleanup();
// xml parsing methods
void Parse(istream &);
void Parse(const std::string &);
// Parse helpers
static bool Check(const std::string&,std::istream &);
static void Eat(const std::string&,std::istream &);
static std::string GrabName(std::istream &);
static std::string GrabString(unsigned char,std::istream &);
static std::string GrabEntityValue(std::istream &);
static std::string EscapeString(const std::string&);
static std::string unset_str;
std::string name;
std::string text;
std::map<std::string,std::string> attributes;
std::vector<XMLNode *> children;
};
#endif
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