Lemma/LemmaCore/src/ASCIIParser.cpp

/* This file is part of Lemma, a geophysical modelling and inversion API.
 * More information is available at http://lemmasoftware.org
 */

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/**
 * @file
 * @date      09/23/2013 02:33:41 PM
 * @version   $Id$
 * @author    Trevor Irons (ti)
 * @email     Trevor.Irons@xri-geo.com
 * @copyright Copyright (c) 2013, XRI Geophysics, LLC
 * @copyright Copyright (c) 2013, Trevor Irons
 */

#include "ASCIIParser.h"

namespace Lemma {


    // ====================  FRIEND METHODS  =====================

    std::ostream &operator<<(std::ostream &stream, const ASCIIParser &ob) {

        stream << *(LemmaObject*)(&ob);

        return stream;
    }

    // ====================  LIFECYCLE     =======================

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  ASCIIParser
    // Description:  constructor (protected)
    //--------------------------------------------------------------------------------------
    ASCIIParser::ASCIIParser (const std::string& name) : LemmaObject(name),
            CommentString("//"), BufferSize(255) {

    }  // -----  end of method ASCIIParser::ASCIIParser  (constructor)  -----


    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  New()
    // Description:  public constructor
    //--------------------------------------------------------------------------------------
    ASCIIParser* ASCIIParser::New() {
        ASCIIParser*  Obj = new ASCIIParser("ASCIIParser");
        Obj->AttachTo(Obj);
        return Obj;
    }

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  ~ASCIIParser
    // Description:  destructor (protected)
    //--------------------------------------------------------------------------------------
    ASCIIParser::~ASCIIParser () {

    }  // -----  end of method ASCIIParser::~ASCIIParser  (destructor)  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  Delete
    // Description:  public destructor
    //--------------------------------------------------------------------------------------
    void ASCIIParser::Delete() {
        this->DetachFrom(this);
    }

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  Release
    // Description:  destructor (protected)
    //--------------------------------------------------------------------------------------
    void ASCIIParser::Release() {
        delete this;
    }

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  Open
    //--------------------------------------------------------------------------------------
    void ASCIIParser::Open ( const std::string& fname ) {
        input.open(fname.c_str(), std::ios::in);
        if (input.fail()) {
           throw  GenericFileIOError(this, fname);
        }
        return ;
    }		// -----  end of method ASCIIParser::Open  -----


    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  Close
    //--------------------------------------------------------------------------------------
    void ASCIIParser::Close (  ) {
        input.close();
        return ;
    }		// -----  end of method ASCIIParser::Close  -----


    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  ReadReals
    //--------------------------------------------------------------------------------------
    std::vector<Real> ASCIIParser::ReadReals ( const int& nr ) {
        std::string buf;
        char *dump = new char[BufferSize];
        std::vector<Real> vals(0);
        while (input >> buf) {
            if (buf.substr(0, CommentString.size()) == CommentString) {
                input.getline(dump, BufferSize);
            } else {
                vals.push_back( atof(buf.c_str() ));
            }
            if (static_cast<int>(vals.size()) == nr) {
                delete [] dump;
                return vals;
            }
        }
        delete [] dump;
        return vals;
    }		// -----  end of method ASCIIParser::ReadReals  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  ReadInts
    //--------------------------------------------------------------------------------------
    std::vector<int> ASCIIParser::ReadInts ( const int& nr ) {
        std::string buf;
        char *dump = new char[BufferSize];
        std::vector<int> vals(0);
        while (input >> buf) {
            if (buf.substr(0, CommentString.size()) == CommentString) {
                input.getline(dump, BufferSize);
            } else {
                vals.push_back( atoi(buf.c_str() ));
            }
            if (static_cast<int>(vals.size()) == nr) {
                delete [] dump;
                return vals;
            }

        }
        delete [] dump;
        return vals;
    }		// -----  end of method ASCIIParser::ReadInts  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  ReadStings
    //--------------------------------------------------------------------------------------
    std::vector<std::string> ASCIIParser::ReadStrings ( const int& nr ) {
        std::string buf;
        char *dump = new char[BufferSize];
        std::vector<std::string> vals(0);
        while (input >> buf) {
            if (buf.substr(0, CommentString.size()) == CommentString) {
                input.getline(dump, BufferSize);
            } else {
                vals.push_back( buf );
            }
            if (static_cast<int>(vals.size()) == nr) {
                delete [] dump;
                return vals;
            }

        }
        delete [] dump;
        return vals;
    }		// -----  end of method ASCIIParser::ReadInts  -----


    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  SetCommentString
    //--------------------------------------------------------------------------------------
    void ASCIIParser::SetCommentString ( const std::string& key ) {
        CommentString = key;
    }		// -----  end of method ASCIIParser::SetCommentString  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  SetBufferSize
    //--------------------------------------------------------------------------------------
    void ASCIIParser::SetBufferSize ( const int& size ) {
        BufferSize = size;
    }		// -----  end of method ASCIIParser::SetCommentString  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  GetFileLocation
    //--------------------------------------------------------------------------------------
    int ASCIIParser::GetFileLocation (  ) {
        return input.tellg();
    }		// -----  end of method ASCIIParser::GetFileLocation  -----

    //--------------------------------------------------------------------------------------
    //       Class:  ASCIIParser
    //      Method:  JumpToLocation
    //--------------------------------------------------------------------------------------
    void ASCIIParser::JumpToLocation ( const int& loc ) {
        input.seekg( loc );
        return ;
    }		// -----  end of method ASCIIParser::JumpToLocation  -----


}		// -----  end of Lemma  name  -----