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Allow @tags only to accept lowercase alphanumeric and _
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46 changes: 46 additions & 0 deletions
46
...plugin/extension-processor/src/main/kotlin/com/typewritermc/verification/TagsValidator.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,48 @@ | ||
| package com.typewritermc.verification | ||
|
|
||
| import com.google.devtools.ksp.KspExperimental | ||
| import com.google.devtools.ksp.getAnnotationsByType | ||
| import com.google.devtools.ksp.processing.Resolver | ||
| import com.google.devtools.ksp.processing.SymbolProcessor | ||
| import com.google.devtools.ksp.processing.SymbolProcessorEnvironment | ||
| import com.google.devtools.ksp.processing.SymbolProcessorProvider | ||
| import com.google.devtools.ksp.symbol.KSAnnotated | ||
| import com.google.devtools.ksp.symbol.KSClassDeclaration | ||
| import com.typewritermc.core.extension.annotations.Tags | ||
| import com.typewritermc.processors.fullName | ||
|
|
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| private val regex = Regex("^[a-z0-9_]+$") | ||
|
|
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| class TagsValidator : SymbolProcessor { | ||
| @OptIn(KspExperimental::class) | ||
| override fun process(resolver: Resolver): List<KSAnnotated> { | ||
| val entries = resolver.getSymbolsWithAnnotation(Tags::class.qualifiedName!!) | ||
| val invalidEntries = entries | ||
| .map { it to it.getAnnotationsByType(Tags::class).first() } | ||
| .flatMap { (entry, annotation) -> | ||
| annotation.tags.filter { !it.matches(regex) }.map { tag -> | ||
| if (entry !is KSClassDeclaration) return@map tag | ||
| "${entry.fullName}: $tag" | ||
| } | ||
| } | ||
| .toList() | ||
|
|
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| if (invalidEntries.isEmpty()) return emptyList() | ||
| throw InvalidTagsException(invalidEntries) | ||
| } | ||
| } | ||
|
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| class InvalidTagsException(tags: List<String>) : Exception( | ||
| """ | ||
| |Tags can only contain lowercase letters, numbers and underscores. | ||
| |The following tags are invalid: | ||
| | - ${tags.joinToString("\n - ")} | ||
| | | ||
| """.trimMargin() | ||
| ) | ||
|
|
||
| class TagsValidatorProvider : SymbolProcessorProvider { | ||
| override fun create(environment: SymbolProcessorEnvironment): SymbolProcessor { | ||
| return TagsValidator() | ||
| } | ||
| } |
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