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* Plugins: Save some architectural requirement flagsThiago Macieira2018-09-011-3/+1
| | | | | | | | | | | | | | | | | | | | | ...not just the debug flag. The information is saved outside of the CBOR map for two reasons: 1) removing the hack that depended on how QCborStreamWriter and TinyCBOR internally work, allowing for the extra parameter to be written directly. We wouldn't be able to use that hack anyway and would have needed a further, uglier hack to encode a byte whose value we don't know. 2) outside the map, this information can be parsed more quickly and then we can discard any plugins we shouldn't actually load. Since we're doing this for a flag, I decided to move the Qt version there too for reason #2. Change-Id: I61ecce6b1324410bbab4fffd153d4e5fc696d19e Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
* Plugins: store the metadata in CBOR instead of binary JSONThiago Macieira2018-09-011-0/+77
In preparation for Qt 6 deprecating the binary JSON format. Also reduces the size of the metadata a little: for the xcb platform plugin, it went down from 264 bytes to 138; for the jpeg image plugin, it went from 320 to 135. I've had to change the signature so older versions of Qt won't try to parse the CBOR data as Binary JSON. Unfortunately, before QJsonDocument could get a chance to reject it, qJsonFromRawLibraryMetaData() needed to allocate memory and that causes crashes with Qt < 5.11.2. Change-Id: Ieb48f7c0dd0e4e0fb35efffd153bee34e16ce347 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>