IndentPrintWriter.h

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// Copyright FreeHEP, 2005.
#ifndef CHEPREP_INDENTPRINTWRITER_H
#define CHEPREP_INDENTPRINTWRITER_H 1
 
#include "cheprep/config.h"
 
#include <iostream>
#include <string>
 
/**
 * A PrintWriter that keeps track of an indentation level
 * and indents the output appropriately.
 *
 * <b>Warning:</b> Only print and println methods taking strings have been overriden,
 * print, println methods taking other arguments may not be indented properly.
 *
 * @author Mark Donszelmann
 * @version $Id: IndentPrintWriter.h,v 1.3 2005-06-02 21:28:45 duns Exp $
 */
namespace cheprep {
 
class IndentPrintWriter {
 
    public:
        IndentPrintWriter(std::ostream* out, int level = 0);
        virtual ~IndentPrintWriter();
 
        void close();
        IndentPrintWriter& operator<< (const std::string & s);
        IndentPrintWriter& operator<< (std::ostream& (*pf)(std::ostream&));
        void println(const std::string & s);
        void print(const std::string & s);
        void println();
        void indent();
        void outdent();
        int getIndent() const;
        void setIndent(const int level);
        std::string getIndentString() const;
        void setIndentString(const std::string & indentString);
 
    private:
        void doIndent();
 
        std::ostream* out;
        bool closed;
        int indentLevel;
        bool indented;
        std::string indentString;
};
 
} // cheprep
 
 
#endif