1 /* SearchMode.cpp */
2
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4 *
5 * This file is part of sayonara player
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "SearchMode.h"
22 #include "Utils/Settings/Settings.h"
23 #include "Utils/Utils.h"
24
25 #include <QCache>
26 #include <QMap>
27 #include <QList>
28 #include <QString>
29
30 #include <array>
31
32 using DiacMap = QMap<QString, QString>;
33
34 using ConvertCacheEntry = QCache<QString, QString>;
35 using ConvertCache = std::array<ConvertCacheEntry, +Library::SearchModeMaskSize>;
36
37 Q_GLOBAL_STATIC(DiacMap, diacriticChars)
38 Q_GLOBAL_STATIC(ConvertCache, convertCache)
39
40 namespace
41 {
initDiacriticChars()42 void initDiacriticChars()
43 {
44 diacriticChars->insert(QString::fromUtf8("Š"), "S");
45 diacriticChars->insert(QString::fromUtf8("Œ"), "OE");
46 diacriticChars->insert(QString::fromUtf8("Ž"), "Z");
47 diacriticChars->insert(QString::fromUtf8("š"), "s");
48 diacriticChars->insert(QString::fromUtf8("œ"), "oe");
49 diacriticChars->insert(QString::fromUtf8("ž"), "z");
50 diacriticChars->insert(QString::fromUtf8("Ÿ"), "Y");
51 diacriticChars->insert(QString::fromUtf8("¥"), "Y");
52 diacriticChars->insert(QString::fromUtf8("µ"), "u");
53 diacriticChars->insert(QString::fromUtf8("À"), "A");
54 diacriticChars->insert(QString::fromUtf8("Á"), "A");
55 diacriticChars->insert(QString::fromUtf8("Â"), "A");
56 diacriticChars->insert(QString::fromUtf8("Ä"), "A");
57 diacriticChars->insert(QString::fromUtf8("Å"), "A");
58 diacriticChars->insert(QString::fromUtf8("Æ"), "AE");
59 diacriticChars->insert(QString::fromUtf8("Ç"), "C");
60 diacriticChars->insert(QString::fromUtf8("È"), "E");
61 diacriticChars->insert(QString::fromUtf8("É"), "E");
62 diacriticChars->insert(QString::fromUtf8("Ê"), "E");
63 diacriticChars->insert(QString::fromUtf8("Ë"), "E");
64 diacriticChars->insert(QString::fromUtf8("Ì"), "I");
65 diacriticChars->insert(QString::fromUtf8("Í"), "I");
66 diacriticChars->insert(QString::fromUtf8("Î"), "I");
67 diacriticChars->insert(QString::fromUtf8("Ï"), "I");
68 diacriticChars->insert(QString::fromUtf8("Ð"), "D");
69 diacriticChars->insert(QString::fromUtf8("Ñ"), "N");
70 diacriticChars->insert(QString::fromUtf8("Ò"), "O");
71 diacriticChars->insert(QString::fromUtf8("Ó"), "O");
72 diacriticChars->insert(QString::fromUtf8("Ô"), "O");
73 diacriticChars->insert(QString::fromUtf8("Õ"), "O");
74 diacriticChars->insert(QString::fromUtf8("Ö"), "O");
75 diacriticChars->insert(QString::fromUtf8("Ø"), "O");
76 diacriticChars->insert(QString::fromUtf8("Ù"), "U");
77 diacriticChars->insert(QString::fromUtf8("Ú"), "U");
78 diacriticChars->insert(QString::fromUtf8("Û"), "U");
79 diacriticChars->insert(QString::fromUtf8("Ü"), "U");
80 diacriticChars->insert(QString::fromUtf8("Ý"), "Y");
81 diacriticChars->insert(QString::fromUtf8("ß"), "ss");
82 diacriticChars->insert(QString::fromUtf8("à"), "a");
83 diacriticChars->insert(QString::fromUtf8("á"), "a");
84 diacriticChars->insert(QString::fromUtf8("â"), "a");
85 diacriticChars->insert(QString::fromUtf8("ã"), "a");
86 diacriticChars->insert(QString::fromUtf8("ä"), "a");
87 diacriticChars->insert(QString::fromUtf8("å"), "a");
88 diacriticChars->insert(QString::fromUtf8("æ"), "ae");
89 diacriticChars->insert(QString::fromUtf8("ç"), "c");
90 diacriticChars->insert(QString::fromUtf8("è"), "e");
91 diacriticChars->insert(QString::fromUtf8("é"), "e");
92 diacriticChars->insert(QString::fromUtf8("ê"), "e");
93 diacriticChars->insert(QString::fromUtf8("ë"), "e");
94 diacriticChars->insert(QString::fromUtf8("ì"), "i");
95 diacriticChars->insert(QString::fromUtf8("í"), "i");
96 diacriticChars->insert(QString::fromUtf8("î"), "i");
97 diacriticChars->insert(QString::fromUtf8("ï"), "i");
98 diacriticChars->insert(QString::fromUtf8("ð"), "o");
99 diacriticChars->insert(QString::fromUtf8("ñ"), "n");
100 diacriticChars->insert(QString::fromUtf8("ò"), "o");
101 diacriticChars->insert(QString::fromUtf8("ó"), "o");
102 diacriticChars->insert(QString::fromUtf8("ô"), "o");
103 diacriticChars->insert(QString::fromUtf8("õ"), "o");
104 diacriticChars->insert(QString::fromUtf8("ö"), "o");
105 diacriticChars->insert(QString::fromUtf8("ø"), "o");
106 diacriticChars->insert(QString::fromUtf8("ù"), "u");
107 diacriticChars->insert(QString::fromUtf8("ú"), "u");
108 diacriticChars->insert(QString::fromUtf8("û"), "u");
109 diacriticChars->insert(QString::fromUtf8("ü"), "u");
110 diacriticChars->insert(QString::fromUtf8("ý"), "y");
111 diacriticChars->insert(QString::fromUtf8("ÿ"), "y");
112 }
113 }
114
convertSearchstring(const QString & originalString,Library::SearchModeMask mode,const QList<QChar> & ignoredChars)115 QString Library::Utils::convertSearchstring(const QString& originalString, Library::SearchModeMask mode,
116 const QList<QChar>& ignoredChars)
117 {
118 if(mode == Library::SearchMode::None)
119 {
120 return originalString;
121 }
122
123 if(originalString.isEmpty())
124 {
125 return ::Util::convertNotNull(originalString);
126 }
127
128 auto& qCache = convertCache->at(+mode);
129 if(qCache.contains(originalString))
130 {
131 return *(qCache[originalString]);
132 }
133
134 if(diacriticChars->isEmpty())
135 {
136 initDiacriticChars();
137 }
138
139 auto convertedString = originalString;
140 if(mode & Library::CaseInsensitve)
141 {
142 convertedString = originalString.toLower();
143 }
144
145 if(mode & Library::NoSpecialChars)
146 {
147 auto withoutSpecialChars = QString {};
148 for(const auto& c : convertedString)
149 {
150 if(ignoredChars.contains(c) || c.isLetterOrNumber())
151 {
152 withoutSpecialChars.append(c);
153 }
154 }
155
156 convertedString = withoutSpecialChars;
157 }
158
159 if(mode & Library::NoDiacriticChars)
160 {
161 auto withoutDiacriticChars = QString {};
162
163 for(const auto& c : convertedString)
164 {
165 const auto seq = QString(c);
166 if(diacriticChars->contains(seq))
167 {
168 const auto& replacement = diacriticChars->value(seq);
169 if(mode & Library::CaseInsensitve)
170 {
171 withoutDiacriticChars.append(replacement.toLower());
172 }
173
174 else
175 {
176 withoutDiacriticChars.append(replacement);
177 }
178 }
179
180 else
181 {
182 withoutDiacriticChars.append(c);
183 }
184 }
185
186 convertedString = withoutDiacriticChars;
187 }
188
189 const auto result = ::Util::convertNotNull(convertedString).trimmed();
190
191 if(qCache.isEmpty()){
192 qCache.setMaxCost(10000);
193 }
194
195 qCache.insert(originalString, new QString(result));
196
197 return result;
198 }
199
convertSearchstring(const QString & str,Library::SearchModeMask mode)200 QString Library::Utils::convertSearchstring(const QString& str, Library::SearchModeMask mode)
201 {
202 return convertSearchstring(str, mode, QList<QChar>());
203 }
204
convertSearchstring(const QString & str)205 QString Library::Utils::convertSearchstring(const QString& str)
206 {
207 return convertSearchstring(str, GetSetting(Set::Lib_SearchMode));
208 }
209