/usr/share/doc/xapian-examples/examples/simpleindex.cc is in xapian-examples 1.2.22-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 90 91 92 93 94 95 96 97 | /** @file simpleindex.cc
* @brief Index each paragraph of a text file as a Xapian document.
*/
/* Copyright (C) 2007,2010,2015 Olly Betts
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <xapian.h>
#include <iostream>
#include <string>
#include <cstdlib> // For exit().
#include <cstring>
using namespace std;
int
main(int argc, char **argv)
try {
if (argc != 2 || argv[1][0] == '-') {
int rc = 1;
if (argv[1]) {
if (strcmp(argv[1], "--version") == 0) {
cout << "simpleindex" << endl;
exit(0);
}
if (strcmp(argv[1], "--help") == 0) {
rc = 0;
}
}
cout << "Usage: " << argv[0] << " PATH_TO_DATABASE\n"
"Index each paragraph of a text file as a Xapian document." << endl;
exit(rc);
}
// Open the database for update, creating a new database if necessary.
Xapian::WritableDatabase db(argv[1], Xapian::DB_CREATE_OR_OPEN);
Xapian::TermGenerator indexer;
Xapian::Stem stemmer("english");
indexer.set_stemmer(stemmer);
string para;
while (true) {
string line;
if (cin.eof()) {
if (para.empty()) break;
} else {
getline(cin, line);
}
if (line.empty()) {
if (!para.empty()) {
// We've reached the end of a paragraph, so index it.
Xapian::Document doc;
doc.set_data(para);
indexer.set_document(doc);
indexer.index_text(para);
// Add the document to the database.
db.add_document(doc);
para.resize(0);
}
} else {
if (!para.empty()) para += ' ';
para += line;
}
}
// Explicitly commit so that we get to see any errors. WritableDatabase's
// destructor will commit implicitly (unless we're in a transaction) but
// will swallow any exceptions produced.
db.commit();
} catch (const Xapian::Error &e) {
cout << e.get_description() << endl;
exit(1);
}
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