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Provide documentation on hover, in .kafka files
Fixes jlandersen#149 Signed-off-by: azerr <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| import { Hover, Position, Range, TextDocument } from "vscode"; | ||
| import { createTopicDocumentation, SelectedClusterProvider, TopicProvider } from "../kafkaFileLanguageService"; | ||
| import { consumerModel, Model, producerModel } from "../model"; | ||
| import { Block, BlockType, Chunk, ConsumerBlock, KafkaFileDocument, MustacheExpression, NodeKind, ProducerBlock, Property } from "../parser/kafkaFileParser"; | ||
|
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| export class KafkaFileHover { | ||
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| constructor(private selectedClusterProvider: SelectedClusterProvider, private topicProvider: TopicProvider) { | ||
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| } | ||
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| async doHover(document: TextDocument, kafkaFileDocument: KafkaFileDocument, position: Position): Promise<Hover | undefined> { | ||
| // Get the AST node before the position where complation was triggered | ||
| const node = kafkaFileDocument.findNodeAt(position); | ||
| if (!node) { | ||
| return; | ||
| } | ||
| switch (node.kind) { | ||
|
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| case NodeKind.consumerBlock: { | ||
| const block = <Block>node; | ||
| const topic = block.getPropertyValue('topic'); | ||
| return new Hover( | ||
| 'Consumer declaration for the topic `' + topic + | ||
| '`. See [here](https://github.com/jlandersen/vscode-kafka/blob/master/docs/Consuming.md#kafka-file) for more informations.', | ||
| node.range()); | ||
| } | ||
|
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| case NodeKind.producerBlock: { | ||
| const block = <Block>node; | ||
| const topic = block.getPropertyValue('topic'); | ||
| return new Hover( | ||
| 'Producer declaration for the topic `' + topic + | ||
| '`. See [here](https://github.com/jlandersen/vscode-kafka/blob/master/docs/Producing.md#kafka-file) for more informations.', | ||
| node.range()); | ||
| } | ||
|
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| case NodeKind.propertyKey: { | ||
| const propertyKey = <Chunk>node; | ||
| const property = <Property>propertyKey.parent; | ||
| const propertyName = propertyKey.content; | ||
| const propertyKeyRange = propertyKey.range(); | ||
| const block = <Block>property.parent; | ||
| if (block.type === BlockType.consumer) { | ||
| // CONSUMER | ||
| // key|: | ||
|
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| // or | ||
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| // CONSUMER | ||
| // key| | ||
| return await this.getHoverForConsumerPropertyNames(propertyName, propertyKeyRange, <ConsumerBlock>block); | ||
| } else { | ||
| // PRODUCER | ||
| // key|: | ||
| return await this.getHoverForProducerPropertyNames(propertyName, propertyKeyRange, <ProducerBlock>block); | ||
| } | ||
| } | ||
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| case NodeKind.propertyValue: { | ||
| const propertyValue = <Chunk>node; | ||
| const property = <Property>propertyValue.parent; | ||
| const block = <Block>property.parent; | ||
| if (block.type === BlockType.consumer) { | ||
| // CONSUMER | ||
| // key-format: | | ||
| return await this.getHoverForConsumerPropertyValues(propertyValue, property, <ConsumerBlock>block); | ||
| } else { | ||
| // PRODUCER | ||
| // key-format: | | ||
| return await this.getHoverForProducerPropertyValues(propertyValue, property, <ProducerBlock>block); | ||
| } | ||
| } | ||
|
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| case NodeKind.mustacheExpression: { | ||
| const expression = <MustacheExpression>node; | ||
| return new Hover('FakerJS expression. See [here](https://github.com/jlandersen/vscode-kafka/blob/master/docs/Producing.md#randomized-content) for more informations.', expression.enclosedExpressionRange); | ||
| } | ||
|
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| case NodeKind.producerValue: { | ||
| return new Hover('Producer value. See [here](https://github.com/jlandersen/vscode-kafka/blob/master/docs/Producing.md#kafka-file) for more informations.', node.range()); | ||
| } | ||
| } | ||
| } | ||
|
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| async getHoverForConsumerPropertyNames(propertyName: string, propertyKeyRange: Range, block: ConsumerBlock): Promise<Hover | undefined> { | ||
| return await this.getHoverForPropertyNames(propertyName, propertyKeyRange, block, consumerModel); | ||
| } | ||
|
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| async getHoverForProducerPropertyNames(propertyName: string, propertyKeyRange: Range, block: ProducerBlock): Promise<Hover | undefined> { | ||
| return await this.getHoverForPropertyNames(propertyName, propertyKeyRange, block, producerModel); | ||
| } | ||
|
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| async getHoverForPropertyNames(propertyName: string, propertyKeyRange: Range, block: Block, metadata: Model): Promise<Hover | undefined> { | ||
| const definition = metadata.getDefinition(propertyName); | ||
| if (definition && definition.description) { | ||
| return new Hover(definition.description, propertyKeyRange); | ||
| } | ||
| } | ||
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| async getHoverForConsumerPropertyValues(propertyValue: any, property: Property, block: ConsumerBlock): Promise<Hover | undefined> { | ||
| const propertyName = property.propertyName; | ||
| switch (propertyName) { | ||
| case 'topic': | ||
| // CONSUMER | ||
| // topic: | | ||
| return await this.getHoverForTopic(property); | ||
| default: | ||
| // CONSUMER | ||
| // key-format: | | ||
| return await this.getHoverForPropertyValues(propertyValue, property, block, consumerModel); | ||
| } | ||
| } | ||
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|
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| async getHoverForProducerPropertyValues(propertyValue: any, property: Property, block: ProducerBlock): Promise<Hover | undefined> { | ||
| const propertyName = property.propertyName; | ||
| switch (propertyName) { | ||
| case 'topic': | ||
| // PRODUCER | ||
| // topic: | | ||
| return await this.getHoverForTopic(property); | ||
| default: | ||
| // PRODUCER | ||
| // key-format: | | ||
| return await this.getHoverForPropertyValues(propertyValue, property, block, producerModel); | ||
| } | ||
| } | ||
|
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| async getHoverForTopic(property: Property): Promise<Hover | undefined> { | ||
| const propertyValue = property.value; | ||
| if (!propertyValue) { | ||
| return; | ||
| } | ||
| const { clusterId } = this.selectedClusterProvider.getSelectedCluster(); | ||
| if (!clusterId) { | ||
| return; | ||
| } | ||
|
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| try { | ||
| const topicId = propertyValue.content.trim(); | ||
| const topics = await this.topicProvider.getTopics(clusterId); | ||
| if (topics.length > 0) { | ||
| const topic = topics | ||
| .find(t => t.id === topicId); | ||
| if (topic) { | ||
| return new Hover(createTopicDocumentation(topic), propertyValue.range()); | ||
| } | ||
| } | ||
| } | ||
| catch (e) { | ||
| return; | ||
| } | ||
|
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| return undefined; | ||
| } | ||
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| async getHoverForPropertyValues(propertyValue: Chunk | undefined, property: Property, block: Block, metadata: Model): Promise<Hover | undefined> { | ||
| const propertyName = property.propertyName; | ||
| if (!propertyName) { | ||
| return; | ||
| } | ||
| const definition = metadata.getDefinition(propertyName); | ||
| if (definition && !definition.description) { | ||
| return new Hover(definition.description, propertyValue?.range()); | ||
| } | ||
| return undefined; | ||
| } | ||
|
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||
| } |