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#!/usr/bin/env ruby
#
# Index each paragraph of a text file as a Xapian document.
#
# Originally by Paul Legato (plegato@nks.net), 4/22/06
# Based on Python's simplesearch.py
# Copyright (C) 2006 Networked Knowledge Systems, Inc.
# Copyright (C) 2007 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
require 'xapian'
if ARGV.size != 1
$stderr.puts "Usage: #{$0} PATH_TO_DATABASE"
exit 99
end
# Open the database for update, creating a new database if necessary.
database = Xapian::WritableDatabase.new(ARGV[0], Xapian::DB_CREATE_OR_OPEN)
indexer = Xapian::TermGenerator.new()
stemmer = Xapian::Stem.new("english")
indexer.stemmer = stemmer
para = ''
while line = $stdin.gets()
line.strip!()
if line.empty?
if not para.empty?
# We've reached the end of a paragraph, so index it.
doc = Xapian::Document.new()
doc.data = para
indexer.document = doc
indexer.index_text(para)
# Add the document to the database
database.add_document(doc)
para = ''
end # if not para.empty?
else # line not empty
para += ' ' if para != ''
para += line
end # if line empty
end
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