Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  */
       9             : 
      10             : #include <cerrno>
      11             : #include <iostream>
      12             : #include <fstream>
      13             : #include <string>
      14             : #include <map>
      15             : #include <stdlib.h>
      16             : #include <string.h>
      17             : 
      18             : static const int MAXLINE = 1024*64;
      19             : 
      20             : using namespace std;
      21             : 
      22           0 : int main(int argc, char *argv[])
      23             : {
      24           0 :         if (argc != 3 || strcmp(argv[1],"-o"))
      25             :         {
      26           0 :                 cout << "Usage: idxdict -o outputfile < input\n";
      27           0 :                 ::exit(99);
      28             :         }
      29             :         // This call improves performance by approx 5x
      30           0 :         cin.sync_with_stdio(false);
      31             : 
      32           0 :         const char * outputFile(argv[2]);
      33             :         char inputBuffer[MAXLINE];
      34           0 :         multimap<string, size_t> entries;
      35           0 :         multimap<string,size_t>::iterator ret(entries.begin());
      36             : 
      37           0 :         int line(1);
      38           0 :         cin.getline(inputBuffer, MAXLINE);
      39           0 :         const string encoding(inputBuffer);
      40           0 :         size_t currentOffset(encoding.size()+1);
      41             :         while (true)
      42             :         {
      43             :                 // Extract the next word, but not the entry count
      44           0 :                 cin.getline(inputBuffer, MAXLINE, '|');
      45             : 
      46           0 :                 if (cin.eof()) break;
      47             : 
      48           0 :                 string word(inputBuffer);
      49           0 :                 ret = entries.insert(ret, pair<string, size_t>(word, currentOffset));
      50           0 :                 currentOffset += word.size() + 1;
      51             :                 // Next is the entry count
      52           0 :                 cin.getline(inputBuffer, MAXLINE);
      53           0 :                 if (!cin.good())
      54             :                 {
      55           0 :                         cerr << "Unable to read entry - insufficient buffer?.\n";
      56           0 :                         exit(99);
      57             :                 }
      58           0 :                 currentOffset += strlen(inputBuffer)+1;
      59             :                 char * endptr;
      60           0 :                 errno = 0;
      61           0 :                 int entryCount(strtol(inputBuffer, &endptr, 10));
      62           0 :                 if (errno != 0 || endptr == inputBuffer || *endptr != '\0')
      63             :                 {
      64             :                     cerr
      65           0 :                         << "Unable to read count from \"" << inputBuffer
      66           0 :                         << "\" input.\n";
      67           0 :                     exit(99);
      68             :                 }
      69           0 :                 for (int i(0); i < entryCount; ++i)
      70             :                 {
      71           0 :                         cin.getline(inputBuffer, MAXLINE);
      72           0 :                         currentOffset += strlen(inputBuffer)+1;
      73           0 :                         ++line;
      74             :                 }
      75           0 :         }
      76             : 
      77             :         // Use binary mode to prevent any translation of LF to CRLF on Windows
      78           0 :         ofstream outputStream(outputFile, ios_base::binary| ios_base::trunc|ios_base::out);
      79           0 :         if (!outputStream.is_open())
      80             :         {
      81           0 :                 cerr << "Unable to open output file " << outputFile << endl;
      82           0 :                 ::exit(99);
      83             :         }
      84             : 
      85           0 :         outputStream << encoding << '\n' << entries.size() << '\n';
      86             : 
      87           0 :         for (multimap<string, size_t>::const_iterator ii(entries.begin());
      88           0 :                 ii != entries.end();
      89             :                 ++ii
      90             :         )
      91             :         {
      92           0 :                 outputStream << ii->first << '|' << ii->second << '\n';
      93           0 :         }
      94           0 : }
      95             : 
      96             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */