1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* -*- 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>
const int MAXLINE = 1024*64;
int main(int argc, char *argv[])
{
if (argc != 3 || strcmp(argv[1],"-o"))
{
std::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];
std::multimap<std::string, size_t> entries;
std::multimap<std::string,size_t>::iterator ret(entries.begin());
std::cin.getline(inputBuffer, MAXLINE);
const std::string encoding(inputBuffer);
size_t currentOffset(encoding.size()+1);
while (true)
{
// Extract the next word, but not the entry count
std::cin.getline(inputBuffer, MAXLINE, '|');
if (std::cin.eof()) break;
std::string word(inputBuffer);
ret = entries.insert(ret, std::pair<std::string, size_t>(word, currentOffset));
currentOffset += word.size() + 1;
// Next is the entry count
std::cin.getline(inputBuffer, MAXLINE);
if (!std::cin.good())
{
std::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')
{
std::cerr
<< "Unable to read count from \"" << inputBuffer
<< "\" input.\n";
exit(99);
}
for (int i(0); i < entryCount; ++i)
{
std::cin.getline(inputBuffer, MAXLINE);
currentOffset += strlen(inputBuffer)+1;
}
}
// Use binary mode to prevent any translation of LF to CRLF on Windows
std::ofstream outputStream(outputFile, std::ios_base::binary| std::ios_base::trunc|std::ios_base::out);
if (!outputStream.is_open())
{
std::cerr << "Unable to open output file " << outputFile << std::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: */
|
