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/*
* Copyright (C) 2010 Regents of the University of Michigan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __FORTRAN_FORMAT__
#define __FORTRAN_FORMAT__
#include "StringBasics.h"
#include "IntArray.h"
class FortranFormat
{
public:
// This class reads a user specified input file, one line at a time,
// and returns individual fields according to a user specified format
// statement
FortranFormat();
// Set the fortran format statement
void SetFormat(const String & formatString);
// Set the input file
void SetInputFile(IFILE & file);
// Read one field from input file
void GetNextField(String & field);
int GetNextInteger();
char GetNextCharacter();
// Process a token in format statement and return true
// if token corresponds to input field. Return false if
// token led to processing of white-space or input line
// positioning
bool ProcessToken(String & field);
// Flush the pattern -- this finishes processing the current
// pattern and ensures that all trailing new-lines, etc. are
// handled correctly
void Flush();
private:
// The input line and current position along it
String inputLine;
int inputPos;
// The Fortran format statement and current position along it
String format;
int formatPos;
// The position of the pattern we are repeating, if any
int repeatCount;
// Returns an integer from the current format statement, if any
int GetIntegerFromFormat();
// These functions check the next character in format string
bool DigitFollows();
bool CharacterFollows();
// This function finish the input field
void FinishField(bool haveSlash = false);
// Reject width were appropriate
void RejectWidth(char type);
// The input file
IFILE input;
// Stacks to keep track of nested parenthesis
IntArray bracketStack;
IntArray bracketCount;
IntArray bracketCounter;
int lastBracket;
int lastCount;
// Buffer for reading fields
String buffer;
// Flag that indicates whether we have reached end-of-pattern
bool endOfPattern;
};
#endif
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