src/fuzzy.c

   1 /* gmpc-dynamic-playlist (GMPC plugin)
   2  * Copyright (C) 2010 Andre Klitzing <andre@incubo.de>
   3  * Homepage: http://www.incubo.de
   4
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <gmpc/plugin.h>
  21 #include <string.h>
  22 #include "fuzzy.h"
  23
  24 static gint8 m_artist = -1;
  25 static gint8 m_title = -1;
  26
  27 void init_fuzzy()
  28 {
  29         m_artist = (gint8) cfg_get_single_value_as_int_with_default(config, "dynamic-playlist", "fuzzy_artist", 80);
  30         m_title = (gint8) cfg_get_single_value_as_int_with_default(config, "dynamic-playlist", "fuzzy_title", 80);
  31 }
  32
  33 static inline gboolean fuzzy_exact_compare(const gchar* l_first, const gchar* l_second)
  34 {
  35         return strcasecmp(l_first, l_second) == 0;
  36 }
  37
  38 static gint8 fuzzy_match(const gchar* l_search, const gchar* l_text)
  39 {
  40         /* TODO: Add a fuzzy string matching algorithm */
  41
  42         return 0;
  43 }
  44
  45 gboolean fuzzy_match_value(const gchar* l_search, const gchar* l_text, gint8 l_value)
  46 {
  47         g_assert(l_value <= 100 && l_value >= 0);
  48         g_assert(l_search != NULL);
  49         g_assert(l_text != NULL);
  50
  51         return fuzzy_exact_compare(l_search, l_text) || fuzzy_match(l_search, l_text) >= l_value;
  52 }
  53
  54 gboolean fuzzy_match_artist(const gchar* l_search, const gchar* l_text)
  55 {
  56         return fuzzy_match_value(l_search, l_text, m_artist);
  57 }
  58
  59 gboolean fuzzy_match_title(const gchar* l_search, const gchar* l_text)
  60 {
  61         return fuzzy_match_value(l_search, l_text, m_title);
  62 }
  63
  64 void set_fuzzy_artist(gint8 l_value)
  65 {
  66         m_artist = l_value;
  67         cfg_set_single_value_as_int(config, "dynamic-playlist", "fuzzy_artist", m_artist);
  68 }
  69
  70 gint8 get_fuzzy_artist()
  71 {
  72         return m_artist;
  73 }
  74
  75 void set_fuzzy_title(gint8 l_value)
  76 {
  77         m_title = l_value;
  78         cfg_set_single_value_as_int(config, "dynamic-playlist", "fuzzy_title", m_title);
  79 }
  80
  81 gint8 get_fuzzy_title()
  82 {
  83         return m_title;
  84 }
  85
  86 /* vim:set ts=4 sw=4: */