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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 bool qDecodeDataUrl(const QUrl &uri, QString &mimeType, QByteArray &payload) |
| { |
| if (uri.scheme() != QLatin1String("data") || !uri.host().isEmpty()) |
| return false; |
| |
| 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.path(QUrl::FullyEncoded).toLatin1()); |
| QByteArray data = QByteArray::fromPercentEncoding(uri.url(QUrl::FullyEncoded | QUrl::RemoveScheme).toLatin1()); |
| |
| // 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 true; |
| } |
| |
| QT_END_NAMESPACE |