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#include "qplatformdefs.h" | |
#include "qurl.h" | |
#include "private/qdataurl_p.h" | |
QT_BEGIN_NAMESPACE | |
/*! | |
\internal | |
Decode a data: URL into its mimetype and payload. Returns a null string if | |
the URL could not be decoded. | |
*/ | |
Q_CORE_EXPORT QPair<QString, QByteArray> qDecodeDataUrl(const QUrl &uri) | |
{ | |
QString mimeType; | |
QByteArray payload; | |
if (uri.scheme() == QLatin1String("data") && uri.host().isEmpty()) { | |
mimeType = QLatin1String("text/plain;charset=US-ASCII"); | |
// the following would have been the correct thing, but | |
// reality often differs from the specification. People have | |
// data: URIs with ? and # | |
//QByteArray data = QByteArray::fromPercentEncoding(uri.encodedPath()); | |
QByteArray data = QByteArray::fromPercentEncoding(uri.toEncoded()); | |
// remove the data: scheme | |
data.remove(0, 5); | |
// parse it: | |
int pos = data.indexOf(','); | |
if (pos != -1) { | |
payload = data.mid(pos + 1); | |
data.truncate(pos); | |
data = data.trimmed(); | |
// find out if the payload is encoded in Base64 | |
if (data.endsWith(";base64")) { | |
payload = QByteArray::fromBase64(payload); | |
data.chop(7); | |
} | |
if (data.toLower().startsWith("charset")) { | |
int i = 7; // strlen("charset") | |
while (data.at(i) == ' ') | |
++i; | |
if (data.at(i) == '=') | |
data.prepend("text/plain;"); | |
} | |
if (!data.isEmpty()) | |
mimeType = QLatin1String(data.trimmed()); | |
} | |
} | |
return QPair<QString,QByteArray>(mimeType,payload); | |
} | |
QT_END_NAMESPACE |