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qdataurl: extract string literals

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to reuse size() to avoid magic numbers

Change-Id: Id1dc69a024ce5597c2d1468e7cb1470df728d84c
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
This commit is contained in:
Anton Kudryavtsev 2023-09-08 13:18:16 +03:00
parent bb5e3b56db
commit 567bbbb3e9
1 changed files with 6 additions and 4 deletions
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10
src/corelib/io/qdataurl.cpp
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@ -38,14 +38,16 @@ Q_CORE_EXPORT bool qDecodeDataUrl(const QUrl &uri, QString &mimeType, QByteArray
data = data.trimmed(); data = data.trimmed();
// find out if the payload is encoded in Base64 // find out if the payload is encoded in Base64
if (QLatin1StringView{data}.endsWith(";base64"_L1, Qt::CaseInsensitive)) { constexpr auto base64 = ";base64"_L1;
if (QLatin1StringView{data}.endsWith(base64, Qt::CaseInsensitive)) {
payload = QByteArray::fromBase64(payload); payload = QByteArray::fromBase64(payload);
data.chop(7); data.chop(base64.size());
} }
QLatin1StringView textPlain; QLatin1StringView textPlain;
if (QLatin1StringView{data}.startsWith("charset"_L1, Qt::CaseInsensitive)) { constexpr auto charset = "charset"_L1;
qsizetype i = 7; // strlen("charset") if (QLatin1StringView{data}.startsWith(charset, Qt::CaseInsensitive)) {
qsizetype i = charset.size();
while (data.at(i) == ' ') while (data.at(i) == ' ')
++i; ++i;
if (data.at(i) == '=') if (data.at(i) == '=')