Mercurial > dovecot > core-2.2
view src/lib-fts/fts-filter-english-possessive.c @ 21390:2e2563132d5f
Updated copyright notices to include the year 2017.
author | Stephan Bosch <stephan.bosch@dovecot.fi> |
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date | Wed, 11 Jan 2017 02:51:13 +0100 |
parents | 5ab8dc1a4a6f |
children | cb108f786fb4 |
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/* Copyright (c) 2015-2017 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "unichar.h" #include "fts-common.h" #include "fts-filter-private.h" static unichar_t get_ending_utf8_char(const char *str, size_t *end_pos) { unichar_t c; while (!UTF8_IS_START_SEQ(str[*end_pos])) { i_assert(*end_pos > 0); *end_pos -= 1; } if (uni_utf8_get_char(str + *end_pos, &c) <= 0) i_unreached(); return c; } static int fts_filter_english_possessive_filter(struct fts_filter *filter ATTR_UNUSED, const char **token, const char **error_r ATTR_UNUSED) { size_t len = strlen(*token); unichar_t c; if (len > 1 && ((*token)[len-1] == 's' || (*token)[len-1] == 'S')) { len -= 2; c = get_ending_utf8_char(*token, &len); if (IS_APOSTROPHE(c)) *token = t_strndup(*token, len); } return 1; } static const struct fts_filter fts_filter_english_possessive_real = { .class_name = "english-possessive", .v = { NULL, fts_filter_english_possessive_filter, NULL } }; const struct fts_filter *fts_filter_english_possessive = &fts_filter_english_possessive_real;