XMLElement.h

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//            QMcBeaver
//
//         Constructed by 
//
//     Michael Todd Feldmann 
//              and 
//   David Randall "Chip" Kent IV
//
// Copyright 2002.  All rights reserved.
//
// drkent@users.sourceforge.net mtfeldmann@users.sourceforge.net

#ifndef XMLElement_H
#define XMLElement_H

#include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <list>

#include "XMLParseException.h"

using namespace std;


class XMLElement
{
private: map<string,string> attributes;

private: list<XMLElement> children;

private: string name;


private: string contents;


private: map<string,string> * entities;

private: map<string,string> entitiesInstance;


private: int lineNr;

private: int parserLineNr;

private: unsigned char charReadTooMuch;

private: istream * reader;


private: bool ignoreWhitespace;



public: XMLElement();
    
public: XMLElement(map<string,string> * entities);

public: XMLElement(bool skipLeadingWhitespace);

public: XMLElement(map<string,string> * entities, bool skipLeadingWhitespace);


private: XMLElement(map<string,string> * entities, bool skipLeadingWhitespace,
                    bool fillBasicConversionTable);

private: void initialize(bool skipLeadingWhitespace, 
                         bool fillBasicConversionTable);

private: void initialize(map<string,string> * entities,
                         bool skipLeadingWhitespace,
                         bool fillBasicConversionTable);

public: int countChildren();

public: void addChild(XMLElement & child);

public: void setAttribute(string & name, string & value);

public: void setAttribute(string & name, int value);

public: void setAttribute(string & name, double value);
 
public: void parse(string & file);

   
public: void parse(istream & reader);

private: void parse(istream & reader, int startingLineNr);

public: void removeChild(XMLElement & child);

public: list<XMLElement> * getChildren();


public: string getStringAttribute(string & name);

public: string getStringAttribute(string & name, string & defaultValue);

public: int getIntAttribute(string & name);

public: int getIntAttribute(string & name, int defaultValue);

public: double getDoubleAttribute(string & name);

public: double getDoubleAttribute(string & name, double defaultValue);

public: bool getBooleanAttribute(string & name, string & trueValue,
                                 string & falseValue, bool defaultValue);

public: void removeAttribute(string & name);

public: void setContent(string & content);

public: string getContent();

public: string getName();

public: void setName(string &name);

public: int getLineNr();

private: void scanIdentifier(string & result);

private: unsigned char scanWhitespace();

private: unsigned char scanWhitespace(string & result);

private: void scanString(string & str);

private: void scanPCData(string & data);

private: void scanElement(XMLElement & elt);

private: bool checkCDATA(string & buf);

private: void skipComment();

private: void skipSpecialTag(int bracketLevel);

private: bool checkLiteral(string literal);

private: void resolveEntity(string & buf);

private: unsigned char readChar();

private: void unreadChar(unsigned char ch);

private: XMLElement createAnotherElement();

public: void singleLineWriter(ostream & writer);

private: void indent(ostream & writer, int depth);

public: void write(string & file);


public: void prettyWriter(ostream & writer);

private: void prettyWriter(ostream & writer,int depth);


private: void writeEncoded(ostream & writer, string & str);

public: void operator=(XMLElement & rhs);

public: bool operator==(XMLElement & rhs);

private: XMLParseException invalidValueSet(string name);

private: XMLParseException invalidValue(string name, string value);

private: XMLParseException unexpectedEndOfData();

private: XMLParseException syntaxError(string context);

private: XMLParseException unicodeError(int value);

private: XMLParseException expectedInput(string charSet);

private: XMLParseException unknownEntity(string name);
};

#endif

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