strmoper.h

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#pragma once

/*
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          23-10-1996
 Contents:      Stream opening etc.
________________________________________________________________________

*/

#include "basicmod.h"

#include "gendefs.h"
#include "uistring.h"
#include <iostream>
class StreamData;

namespace StrmOper
{
    mGlobal(Basic) bool         readBlock(std::istream&,void*,od_uint64 nrbyts);
    mGlobal(Basic) bool         writeBlock(std::ostream&,const void*,od_uint64);

    mGlobal(Basic) bool         peekChar(std::istream&,char&);
    mGlobal(Basic) bool         readChar(std::istream&,char&,
                                            bool allowreadingnewlines=false);
    mGlobal(Basic) bool         readWord(std::istream&,bool maycrossnewline,
                                        BufferString* b=0);
    mGlobal(Basic) bool         readLine(std::istream&,BufferString* b=0,
                                         bool* newline_found=0);
    mGlobal(Basic) bool         readFile(std::istream&,BufferString&);
    mGlobal(Basic) bool         skipWhiteSpace(std::istream&);

    mGlobal(Basic) od_int64     tell(std::istream&);
    mGlobal(Basic) od_int64     tell(std::ostream&);
    mGlobal(Basic) void         seek(std::istream&,od_int64 pos);
    mGlobal(Basic) void         seek(std::istream&,od_int64 offset,
                                        std::ios::seekdir);
    mGlobal(Basic) void         seek(std::ostream&,od_int64 pos);
    mGlobal(Basic) void         seek(std::ostream&,od_int64 offset,
                                        std::ios::seekdir);
    mGlobal(Basic) od_int64     lastNrBytesRead(std::istream&);

    mGlobal(Basic) bool         resetSoftError(std::istream&,int& retrycount);
    mGlobal(Basic) bool         resetSoftError(std::ostream&,int& retrycount);
    mGlobal(Basic) void         clear(std::ios&);
    mGlobal(Basic) uiString     getErrorMessage(std::ios&);
    mGlobal(Basic) uiString     getErrorMessage(const StreamData&);

}