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/* $Id: $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's offical duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================*/
/*****************************************************************************
File name: njn_ioutil.cpp
Author: John Spouge
Contents:
******************************************************************************/
#include <math.h>
#include <assert.h>
#include "njn_ioutil.hpp"
#include <iostream>
#include <fstream>
using namespace std;
using namespace Njn;
using namespace IoUtil;
const Format FORMAT = HUMAN;
Format format1 = HUMAN;
const char TERMINATOR = '!';
char terminator = TERMINATOR;
Format IoUtil::getFormat ()
{
return format1;
}
void IoUtil::setFormat (Format format_)
{
format1 = format_;
}
Format IoUtil::clearFormat ()
{
return format1 = FORMAT;
}
char IoUtil::getTerminator ()
{
return terminator;
}
void IoUtil::setTerminator (char t_)
{
terminator = t_;
}
char IoUtil::clearTerminator ()
{
return terminator = TERMINATOR;
}
void IoUtil::abort ()
{
exit (1);
}
void IoUtil::abort (const string &s_)
{
cerr << s_ << endl;
IoUtil::abort ();
}
istream &IoUtil::getLine (
istream &in_, // input filestream
string &str_, // string before '!' from next line
const char t_) // termination character (could be '\n')
{ // behaves like getline (in_, str_) but throws away the string after first character t_ && skips lines of white space
assert (t_ != '\0');
if (! in_) return in_;
const char *pbuf = 0;
while (getline (in_, str_)) {
for (pbuf = str_.c_str (); *pbuf != '\0' && isspace (*pbuf); pbuf++); // advance past white space
if (*pbuf != '\0' && *pbuf != t_) break; // skip lines full of white space
}
if (t_ != '\n') {
size_t pos = str_.find (t_, 0);
if (pos < str_.size ()) str_.erase (pos, str_.size ());
}
return in_; // buf is empty and eof is reached
}
istream &IoUtil::getLine (
istream &in_, // input filestream
stringstream &sstr_, // sstr_ contains the string before '!' from next line
const char t_) // termination character (could be '\n')
{ // behaves like getline (in_, str_) but throws away the string after first character t_ && skips lines of white space
string s;
IoUtil::getLine (in_, s, t_);
sstr_.clear ();
sstr_.str ("");
sstr_ << s;
sstr_.clear ();
return in_;
}
std::istream &IoUtil::in (
std::istream &in_,
double &x_)
{
string s;
in_ >> s;
for (string::iterator i = s.begin (); i != s.end (); i++) *i = /*sls added (char)*/(char) tolower (*i);
if (s == "1.#inf")
{
x_ = HUGE_VAL;
}
else if (s == "nan")
{
x_ = HUGE_VAL;
}
else
{
stringstream str (s);
str >> x_;
if (str.fail ()) in_.setstate (ios_base::failbit);
}
return in_;
}
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