Funkwhale
/
strawberry-audio-player-windows-mac-linux
mirror of https://github.com/strawberrymusicplayer/strawberry
1
0
Fork 0
Code Issues Releases Wiki Activity

LyricsProvider: Improve parsing from HTML function

This commit is contained in:
Jonas Kvinge 2023-01-20 22:45:05 +01:00
parent 536fe637aa
commit b982a6a762
1 changed files with 21 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/lyrics/lyricsprovider.cpp
View File

@ -40,26 +40,19 @@ QString LyricsProvider::ParseLyricsFromHTML(const QString &content, const QRegul
QRegularExpressionMatch rematch = lyrics_start.match(content, start_idx);
if (!rematch.hasMatch()) break;
const qint64 start_lyrics_tag_idx = rematch.capturedEnd();
const qint64 start_lyrics_idx = rematch.capturedEnd();
qint64 end_lyrics_idx = -1;
// Find the index of the end tag.
qint64 start_tag_idx = 0;
qint64 end_tag_idx = 0;
qint64 end_tag_length = 0;
qint64 idx = start_lyrics_tag_idx;
qint64 idx = start_lyrics_idx;
QRegularExpressionMatch rematch_start_tag;
QRegularExpressionMatch rematch_end_tag;
int tags = 1;
do {
QRegularExpressionMatch rematch_start_tag = QRegularExpression(start_tag).match(content, idx);
start_tag_idx = rematch_start_tag.hasMatch() ? rematch_start_tag.capturedStart() : -1;
QRegularExpressionMatch rematch_end_tag = QRegularExpression(end_tag).match(content, idx);
if (rematch_end_tag.hasMatch()) {
end_tag_idx = rematch_end_tag.capturedStart();
end_tag_length = rematch_end_tag.capturedLength();
}
else {
end_tag_idx = -1;
end_tag_length = 0;
}
rematch_start_tag = QRegularExpression(start_tag).match(content, idx);
const qint64 start_tag_idx = rematch_start_tag.hasMatch() ? rematch_start_tag.capturedStart() : -1;
rematch_end_tag = QRegularExpression(end_tag).match(content, idx);
const qint64 end_tag_idx = rematch_end_tag.hasMatch() ? rematch_end_tag.capturedStart() : -1;
if (rematch_start_tag.hasMatch() && start_tag_idx <= end_tag_idx) {
++tags;
idx = start_tag_idx + rematch_start_tag.capturedLength();
@ -67,21 +60,26 @@ QString LyricsProvider::ParseLyricsFromHTML(const QString &content, const QRegul
else if (rematch_end_tag.hasMatch()) {
--tags;
idx = end_tag_idx + rematch_end_tag.capturedLength();
if (tags == 0) {
end_lyrics_idx = rematch_end_tag.capturedStart();
start_idx = rematch_end_tag.capturedEnd();
}
}
while (tags > 0 || end_tag_idx >= start_tag_idx);
}
while (tags > 0 && (rematch_start_tag.hasMatch() || rematch_end_tag.hasMatch()));
start_idx = end_tag_idx + end_tag_length;
if (end_tag_idx > 0 || start_lyrics_tag_idx < end_tag_idx) {
if (end_lyrics_idx != -1 && start_lyrics_idx < end_lyrics_idx) {
if (!lyrics.isEmpty()) {
lyrics.append("\n");
}
lyrics.append(content.mid(start_lyrics_tag_idx, end_tag_idx - start_lyrics_tag_idx)
.replace(QRegularExpression("<br[^>]+>"), "\n")
lyrics.append(content.mid(start_lyrics_idx, end_lyrics_idx - start_lyrics_idx)
.replace(QRegularExpression("<br[^>]*>"), "\n")
.remove(QRegularExpression("<[^>]*>"))
.trimmed());
}
else {
start_idx = -1;
}
}
while (start_idx > 0 && multiple);
@ -93,4 +91,3 @@ QString LyricsProvider::ParseLyricsFromHTML(const QString &content, const QRegul
return Utilities::DecodeHtmlEntities(lyrics);
}