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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*/
#include <cerrno>
#include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <stdlib.h>
#include <string.h>
static const int MAXLINE = 1024*64;
using namespace std;
int main(int argc, char *argv[])
{
if (argc != 3 || strcmp(argv[1],"-o"))
{
cout << "Usage: idxdict -o outputfile < input\n";
::exit(99);
}
// This call improves performance by approx 5x
std::ios_base::sync_with_stdio(false);
const char * outputFile(argv[2]);
char inputBuffer[MAXLINE];
multimap<string, size_t> entries;
multimap<string,size_t>::iterator ret(entries.begin());
cin.getline(inputBuffer, MAXLINE);
const string encoding(inputBuffer);
size_t currentOffset(encoding.size()+1);
while (true)
{
// Extract the next word, but not the entry count
cin.getline(inputBuffer, MAXLINE, '|');
if (cin.eof()) break;
string word(inputBuffer);
ret = entries.insert(ret, pair<string, size_t>(word, currentOffset));
currentOffset += word.size() + 1;
// Next is the entry count
cin.getline(inputBuffer, MAXLINE);
if (!cin.good())
{
cerr << "Unable to read entry - insufficient buffer?.\n";
exit(99);
}
currentOffset += strlen(inputBuffer)+1;
char * endptr;
errno = 0;
int entryCount(strtol(inputBuffer, &endptr, 10));
if (errno != 0 || endptr == inputBuffer || *endptr != '\0')
{
cerr
<< "Unable to read count from \"" << inputBuffer
<< "\" input.\n";
exit(99);
}
for (int i(0); i < entryCount; ++i)
{
cin.getline(inputBuffer, MAXLINE);
currentOffset += strlen(inputBuffer)+1;
}
}
// Use binary mode to prevent any translation of LF to CRLF on Windows
ofstream outputStream(outputFile, ios_base::binary| ios_base::trunc|ios_base::out);
if (!outputStream.is_open())
{
cerr << "Unable to open output file " << outputFile << endl;
::exit(99);
}
outputStream << encoding << '\n' << entries.size() << '\n';
for (auto const& entry : entries)
{
outputStream << entry.first << '|' << entry.second << '\n';
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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