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ImapDb.SearchQuery: Use libstemmer for stemming

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Instead of shipping our own forked stemmer via SQLite, add a dependency
on libstemmer and use that instead.
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Michael Gratton 2020-09-13 16:27:51 +10:00 • committed by Michael James Gratton
parent 7c0ad051bd
commit 968bc1a9e8
7 changed files with 118 additions and 50 deletions
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38
bindings/vapi/libstemmer.vapi Normal file
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/*-
* Copyright (c) 2010-2013 Giulio Paci <giuliopaci@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
[CCode (cheader_filename = "libstemmer.h", lower_case_cprefix = "sb_", cprefix="sb_")]
namespace SnowBall {
[Compact]
[CCode (cname = "struct sb_stemmer", free_function="sb_stemmer_delete")]
public class Stemmer {
public unowned string stem(string word, int size);
public int length();
public Stemmer(string language, string encoding = "UTF_8");
[CCode (array_length = false, array_null_terminated = true)]
public static unowned string[] list();
}
}