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/*****************************************************************************
*
* Copyright (c) 2000 - 2010, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-400124
* 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 POS_H
#define POS_H
#include <parser_exports.h>
#include <visitstream.h>
#include <string>
// ****************************************************************************
// Class: Pos
//
// Purpose:
// Stored the position of text using a start and end character position.
//
// Programmer: Jeremy Meredith
// Creation: April 4, 2002
//
// Modifications:
// Jeremy Meredith, Mon Jul 28 16:59:51 PDT 2003
// Added the GetText method.
//
// Brad Whitlock, Wed Aug 27 13:55:47 PST 2003
// I replaced min,max with Minimum,Maximum since the former are defined
// as macros that cause compilation errors on Windows.
//
// Hank Childs, Tue Dec 28 16:04:59 PST 2004
// Renamed GetText to be GetErrorText. Added new method called GetText.
//
// Jeremy Meredith, Mon Jun 13 12:14:21 PDT 2005
// Let Join() work with null positions.
//
// ****************************************************************************
class PARSER_API Pos
{
int p1, p2;
int Minimum(int a, int b) { return (a < b) ? a : b; }
int Maximum(int a, int b) { return (a > b) ? a : b; }
public:
Pos() { p1 = 999999; p2 = -1; }
Pos(const Pos &p) { p1 = p.p1; p2 = p.p2; }
Pos(int p) { p1 = p; p2 = p; }
Pos(int a, int b) { p1 = Minimum(a,b); p2 = Maximum(a,b); }
Pos(Pos a, Pos b) { p1 = Minimum(a.p1, b.p1); p2 = Maximum(a.p2, b.p2); }
void Join(const Pos &p) { p1=Minimum(p1, p.p1); p2=Maximum(p2, p.p2); }
void operator=(const Pos &p) { p1=p.p1; p2=p.p2; }
bool IsNull() { return (p2 == -1); }
void PrintErrorText(ostream &o, const std::string &s) const
{
int i;
o << s.c_str() << endl;
for (i=0; i<p1; i++)
o << ' ';
for (i=p1; i<=p2; i++)
o << '^';
o << endl;
}
std::string GetErrorText(const std::string &s) const
{
int i;
std::string msg = s + '\n';
for (i=0; i<p1; i++)
msg += ' ';
for (i=p1; i<=p2; i++)
msg += '^';
msg += '\n';
return msg;
}
std::string GetText(const std::string &s) const
{
std::string msg = "";
int slen = s.length();
if (slen < p1 || slen < p2 || p1 < 0)
return msg;
msg = s.substr(p1, p2-p1+1);
return msg;
}
};
#endif
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