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/*=========================================================================
Program: Visualization Toolkit
Module: Tokenizer.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* Copyright 2003 Sandia Corporation.
* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
* license for use of this work by or on behalf of the
* U.S. Government. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that this Notice and any
* statement of authorship are reproduced on all copies.
*/
#include "vtkSystemIncludes.h"
#include "Tokenizer.h"
Tokenizer::Tokenizer(const char *s, const char *delim)
: FullString(s), Delim(delim)
{
this->Reset();
}
Tokenizer::Tokenizer(const vtkstd::string &s, const char *delim)
: FullString(s), Delim(delim)
{
this->Reset();
}
vtkstd::string Tokenizer::GetNextToken()
{
if (this->HasMoreTokens())
{
vtkstd::string::size_type token_start = this->Position;
vtkstd::string::size_type token_end
= this->FullString.find_first_of(this->Delim, token_start);
this->Position = this->FullString.find_first_not_of(this->Delim, token_end);
if (token_end != vtkstd::string::npos)
{
return this->FullString.substr(token_start, token_end-token_start);
}
else
{
return this->FullString.substr(token_start);
}
}
else
{
return vtkstd::string();
}
}
vtkstd::string Tokenizer::GetRemainingString() const
{
if (this->HasMoreTokens())
{
return this->FullString.substr(this->Position);
}
else
{
return vtkstd::string();
}
}
bool Tokenizer::HasMoreTokens() const
{
return (this->Position != vtkstd::string::npos);
}
void Tokenizer::Reset()
{
this->Position = this->FullString.find_first_not_of(this->Delim);
}
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