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Generator for .proto files based on serializable Kotlin classes #1255

Merged
merged 6 commits into from
Apr 26, 2021
Merged

Generator for .proto files based on serializable Kotlin classes #1255

merged 6 commits into from
Apr 26, 2021

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shanshin
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Resolves #34

@shanshin shanshin force-pushed the protobuf-generator-34 branch 2 times, most recently from 120115d to 60edb7a Compare December 14, 2020 10:27
sandwwraith
sandwwraith requested changes Dec 15, 2020
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Publication seems to fail on CI — can you check it?

...ats/protobuf-generator/commonMain/src/kotlinx.serialization.protobuf.generator/Generation.kt Outdated Show resolved Hide resolved
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@shanshin shanshin force-pushed the protobuf-generator-34 branch 2 times, most recently from 28e0fff to a8d794a Compare December 28, 2020 14:41
sandwwraith
sandwwraith reviewed Jan 22, 2021
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I'm still not sure if we should mangle incorrect serial names instead of throwing an exception

...ats/protobuf-generator/commonMain/src/kotlinx.serialization.protobuf.generator/Generation.kt Outdated Show resolved Hide resolved
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Also, please investigate why the build is failing

@qwwdfsad qwwdfsad mentioned this pull request Feb 23, 2021
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@shanshin shanshin force-pushed the protobuf-generator-34 branch 3 times, most recently from 558e896 to 2d8aafc Compare March 18, 2021 02:33
sandwwraith
sandwwraith requested changes Apr 19, 2021
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Great job! What's left to do is to tide up warning messages, finish documentation and come up with a good name

formats/protobuf/jvmTest/resources/common/schema.proto
// WARNING: This field is marked as nullable but it does not support null values
repeated int32 key = 1;
// WARNING: This field is marked as nullable but it does not support null values
repeated int32 value = 2;
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Why do we need to duplicate these classes in both this one and individual files?

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It is worth adding reading data from classes generated by protoc. For protoc to work, it is necessary that messages do not repeat in files - the easiest way to achieve this is by generating just one common proto file.
M.b. it should be implemented later.

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qwwdfsad
qwwdfsad requested changes Apr 21, 2021
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formats/protobuf/commonMain/src/kotlinx/serialization/protobuf/schema/Generation.kt Outdated Show resolved Hide resolved
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@qwwdfsad qwwdfsad self-requested a review April 23, 2021 15:41
@qwwdfsad
Schema generator improvements:
0cb2df8 
    * More granular documetation
    * Convinience method with single descriptor
    * Alll the implementation is encapsulated into the object body
@qwwdfsad
Update api udmp
7eb071f
@LouisCAD
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Several typos in the commit message of the "Schema generator improvements" commit @qwwdfsad FYI.

Didn't check code changes because I'm on mobile, and the app won't let me see the "large diff".

sandwwraith
sandwwraith reviewed Apr 26, 2021
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...ats/protobuf/commonMain/src/kotlinx/serialization/protobuf/schema/ProtoBufSchemaGenerator.kt
* has the following list of restrictions:
*
* * Serial name of the class and all its fields should be a valid Proto [identifier](https://developers.google.com/protocol-buffers/docs/reference/proto2-spec)
* * Nullable values are allowed only for Kotlin [nullable][SerialDescriptor.isNullable] types, but not [optional][SerialDescriptor.isElementOptional]
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It's the restriction of encoder, not schema generator, isn't it?

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It's still worth mentioning it here unless we have our ProtoBuf doc rephrased

@qwwdfsad qwwdfsad merged commit 75566cc into dev Apr 26, 2021
@qwwdfsad qwwdfsad deleted the protobuf-generator-34 branch April 26, 2021 11:18
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@sandwwraith sandwwraith sandwwraith approved these changes

@qwwdfsad qwwdfsad Awaiting requested review from qwwdfsad

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4 participants
@shanshin @sandwwraith @LouisCAD @qwwdfsad