Add lyrics from elyrics.net and lyricsmode.com

src/lyrics/elyricsnetlyricsprovider.cpp

@@ -0,0 +1,54 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2023, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QObject>
+#include <QByteArray>
+#include <QVariant>
+#include <QString>
+#include <QUrl>
+#include <QRegularExpression>
+
+#include "core/shared_ptr.h"
+#include "core/networkaccessmanager.h"
+#include "lyricssearchrequest.h"
+#include "elyricsnetlyricsprovider.h"
+
+const char ElyricsNetLyricsProvider::kUrl[] = "https://www.elyrics.net/read/";
+const char ElyricsNetLyricsProvider::kStartTag[] = "<div[^>]*>";
+const char ElyricsNetLyricsProvider::kEndTag[] = "<\\/div>";
+const char ElyricsNetLyricsProvider::kLyricsStart[] = "<div id='inlyr'>";
+
+ElyricsNetLyricsProvider::ElyricsNetLyricsProvider(SharedPtr<NetworkAccessManager> network, QObject *parent)
+    : HtmlLyricsProvider("elyrics.net", true, kStartTag, kEndTag, kLyricsStart, false, network, parent) {}
+
+QUrl ElyricsNetLyricsProvider::Url(const LyricsSearchRequest &request) {
+
+  return QUrl(kUrl + request.artist[0].toLower() + "/" + StringFixup(request.artist) + "-lyrics/" + StringFixup(request.title) + "-lyrics.html");
+
+}
+
+QString ElyricsNetLyricsProvider::StringFixup(QString string) {
+
+  return string
+    .replace(' ', '-')
+    .replace(QRegularExpression("[^\\w0-9_-]", QRegularExpression::UseUnicodePropertiesOption), "_")
+    .simplified()
+    .toLower();
+
+}