Review Request 129103: Generate metadata.json file at build time

[Aleix Pol Gonzalez]

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https://git.reviewboard.kde.org/r/129103/
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(Updated Oct. 5, 2016, 1:31 a.m.)


Review request for KDE Frameworks and Plasma.


Repository: kpackage


Description
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In plasma-framework internally we use a QJsonObject for reading the metadata. Providing the metadata in desktop only makes the system have to parse metadata.desktop and then convert it internally into a QJsonObject. Furthermore, to do so we use a desktop file parser that is not very performant (at least in comparison to KConfig's).

As part of #129102, we made sure that plasma supports `metadata.json`. This patch leverages it moving the weight of converting desktop to json at compile time.

It could even make sense to convert to binary json as well, I wonder whether that would improve at all.


Diffs
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  KF5PackageMacros.cmake 335fc81 

Diff: https://git.reviewboard.kde.org/r/129103/diff/


Testing (updated)
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Ran RR 129102 without any metdata.desktop files on my system.

Nope, hold the ship its, still needs work.


Thanks,

Aleix Pol Gonzalez

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