171 lines
4.6 KiB
C++
171 lines
4.6 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf ] [}]
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//[ae] [\"a]
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//[oe] [\"o]
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//[ue] [\"u]
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//[ss] [{\ss}]
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//[->] [$\rightarrow $]
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Dec 2003 M. Spiekermann, initial Version
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******************************************************************************/
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#include <unistd.h>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include "NestedList.h"
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#include <getopt.h>
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void reportTableSizes(const std::string& name, NestedList& nl){
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cout << "--------- " << name << " ----------" << endl;
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cout << " used list storage " << endl;
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cout << "Nodes : " << nl.sizeOfNodeTable()
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<< " (" << nl.freeNodes() << " free )" << endl;
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cout << "Strings : " << nl.sizeOfStringTable() << " ("
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<< nl.freeStrings() << " free )" << endl;
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cout << "Texts : " << nl.sizeOfStringTable() << " ("
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<< nl.freeTexts() << " free )" << endl;
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cout << "----------------------------" << endl << endl;
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}
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using namespace std;
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void
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usageMsg(char* progName) {
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cout << "Usage: " << progName << " [-b -2] filename" << endl;
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cout << "Converts a nested list from text to binary format "
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<< "and vice versa." << endl;
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cout << " -b: Input file is a binary encoded nested list" << endl;
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cout << " -2: 2 output files, binary and text" << endl;
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cout << " -k: keep format. Output format is the same as in "
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<< "the input file." << endl;
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}
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int
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main(int argc, char *argv[]) {
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if (argc < 2 || argc > 5) {
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usageMsg(argv[0]);
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exit(1);
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}
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int c = 0;
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opterr = 0;
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bool keepFormat=false, twoOutputs = false,
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outBinary=true, outText=false, binary=false, text=true;
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while ((c = getopt(argc,argv, "bk2")) != -1) {
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switch (c) {
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case 'b':
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binary = true;
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text = false;
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outText = true;
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outBinary = false;
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break;
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case '2':
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twoOutputs = true;
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break;
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case 'k':
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keepFormat = true;
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break;
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case '?':
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cerr << "Unkown option " << (char) optopt << endl;
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usageMsg(argv[0]);
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default:
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abort();
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}
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}
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if (keepFormat) {
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outBinary = keepFormat && binary;
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outText = keepFormat && text;
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}
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if (twoOutputs) {
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outBinary = true;
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outText = true;
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}
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string inFileStr(argv[optind]);
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string modeStr = "";
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NestedList nl;
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reportTableSizes("initial", nl);
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modeStr = binary ? "binary" : "text";
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cout << endl << "Reading " << modeStr << "-file " << inFileStr << endl;
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ListExpr list=0;
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if (binary) {
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ifstream inFile(inFileStr.c_str(), ios::binary);
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nl.ReadBinaryFrom( inFile, list );
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cout << "Reading binary encoded list ..." << endl;
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} else {
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cout << "Reading textual list representation ... " << endl;
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nl.ReadFromFile( inFileStr, list );
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}
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reportTableSizes("after reading in a file", nl);
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nl.printTables(cout);
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if (outText) {
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string outFileStr = inFileStr + ".text";
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cout << endl << "Writing " << outFileStr << " ... " << endl;
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nl.WriteToFile( outFileStr, list );
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reportTableSizes("after writing a text file", nl);
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}
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if (outBinary) {
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string outFileStr = inFileStr + ".bnl";
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cout << endl << "Writing " + outFileStr + " ... " << endl;
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ofstream outFile(outFileStr.c_str(), ios::out|ios::trunc|ios::binary);
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nl.WriteBinaryTo(list, outFile);
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reportTableSizes("after writing a binary file", nl);
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}
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nl.Destroy(list);
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reportTableSizes("after destroying the list", nl);
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nl.printTables(cout);
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ListExpr aList = nl.ThreeElemList( nl.IntAtom(1), nl.IntAtom(2),
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nl.IntAtom(3), false);
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reportTableSizes("after creating a three elem list", nl);
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nl.printTables(cout);
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nl.Destroy(aList);
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reportTableSizes("after destroying a three elem list", nl);
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nl.printTables(cout);
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}
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