l10ntools/source/idxdict/idxdict.cxx

   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 <iostream>
  11 #include <fstream>
  12 #include <string>
  13 #include <map>
  14 #include <stdlib.h>
  15 #include <string.h>
  16
  17 static const int MAXLINE = 1024*64;
  18
  19 using namespace std;
  20
  21 int main(int argc, char *argv[])
  22 {
  23         if (argc != 3 || strcmp(argv[1],"-o"))
  24         {
  25                 cout << "Usage: idxdict -o outputfile < input\n";
  26                 ::exit(99);
  27         }
  28         // This call improves performance by approx 5x
  29         cin.sync_with_stdio(false);
  30
  31         const char * outputFile(argv[2]);
  32         char inputBuffer[MAXLINE];
  33         multimap<string, size_t> entries;
  34         multimap<string,size_t>::iterator ret(entries.begin());
  35
  36         int line(1);
  37         cin.getline(inputBuffer, MAXLINE);
  38         const string encoding(inputBuffer);
  39         size_t currentOffset(encoding.size()+1);
  40         while (true)
  41         {
  42                 // Extract the next word, but not the entry count
  43                 cin.getline(inputBuffer, MAXLINE, '|');
  44
  45                 if (cin.eof()) break;
  46
  47                 string word(inputBuffer);
  48                 ret = entries.insert(ret, pair<string, size_t>(word, currentOffset));
  49                 currentOffset += word.size() + 1;
  50                 // Next is the entry count
  51                 cin.getline(inputBuffer, MAXLINE);
  52                 if (!cin.good())
  53                 {
  54                         cerr << "Unable to read entry - insufficient buffer?.\n";
  55                         exit(99);
  56                 }
  57                 currentOffset += strlen(inputBuffer)+1;
  58                 int entryCount(strtol(inputBuffer, NULL, 10));
  59                 for (int i(0); i < entryCount; ++i)
  60                 {
  61                         cin.getline(inputBuffer, MAXLINE);
  62                         currentOffset += strlen(inputBuffer)+1;
  63                         ++line;
  64                 }
  65         }
  66
  67         // Use binary mode to prevent any translation of LF to CRLF on Windows
  68         ofstream outputStream(outputFile, ios_base::binary| ios_base::trunc|ios_base::out);
  69         if (!outputStream.is_open())
  70         {
  71                 cerr << "Unable to open output file " << outputFile << endl;
  72                 ::exit(99);
  73         }
  74
  75         outputStream << encoding << '\n' << entries.size() << '\n';
  76
  77         for (multimap<string, size_t>::const_iterator ii(entries.begin());
  78                 ii != entries.end();
  79                 ++ii
  80         )
  81         {
  82                 outputStream << ii->first << '|' << ii->second << '\n';
  83         }
  84 }
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */