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chore: switch to use KCodecs

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This commit is contained in:
Gary Wang
2024-09-28 12:56:49 +08:00
parent 54c604ee9d
commit c9fc9346b7
5 changed files with 43 additions and 27 deletions
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26
lyricsmanager.cpp
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@ -9,8 +9,10 @@
#include <QRegularExpression>
#include <QStringConverter>
#ifndef NO_UCHARDET
#include <uchardet/uchardet.h>
#ifndef NO_KCODECS
#include <KCharsets>
#include <KCodecs>
#include <KEncodingProber>
#endif
Q_LOGGING_CATEGORY(lcLyrics, "pmusic.lyrics")
@ -44,21 +46,23 @@ bool LyricsManager::loadLyrics(QString filepath)
return false;
}
QByteArray fileContent(file.readAll());
#ifndef NO_UCHARDET
uchardet_t handle = uchardet_new();
uchardet_handle_data(handle, fileContent.data(), fileContent.length());
uchardet_data_end(handle);
const char* encoding = uchardet_get_charset(handle);
qCDebug(lcLyrics) << "Detected encoding:" << (encoding == NULL ? "unknown" : encoding);
#ifndef NO_KCODECS
KEncodingProber prober(KEncodingProber::Universal);
prober.feed(fileContent);
QByteArray encoding(prober.encoding());
qCDebug(lcLyrics) << "Detected encoding:" << QString(encoding) << "with confidence" << prober.confidence();
auto toUtf16 = QStringDecoder(encoding);
QStringList lines;
if (QStringConverter::availableCodecs().contains(QString(encoding))) {
auto toUtf16 = QStringDecoder(encoding);
// Don't use `QStringConverter::availableCodecs().contains(QString(encoding))` here, since the charset
// encoding name might not match, e.g. GB18030 (from availableCodecs) != gb18030 (from KEncodingProber)
if (toUtf16.isValid()) {
QString decodedResult = toUtf16(fileContent);
lines = decodedResult.split('\n');
} else {
qCDebug(lcLyrics) << "No codec for the detected encoding. Available codecs are:" << QStringConverter::availableCodecs();
qCDebug(lcLyrics) << "KCodecs offers these encodings:" << KCharsets::charsets()->availableEncodingNames();
lines = QString(fileContent).split('\n');
}
uchardet_delete(handle);
#else
QStringList lines = QString(fileContent).split('\n');
#endif