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Crosscompile for JS and Native with scala-yaml as the backend (#431)
* Crosscompile for JS and Native with scala-yaml as the backend This is rudimentary support for YAML on JS and Native. We could add much more tests etc., and maybe there are some bugs for edge cases, but this should be fine for the beginning. * tlVersionIntroduced 0.15.2 * tlVersionIntroduced 0.15.2 * Drop 2.12 in circe-yaml-scalayaml * headerCreate * Test/headerCreate * scalafixAll * import org.virtuslab.yaml.NodeOps * fix tests * circe-yaml-common tlVersionIntroduced 0.15.2 * Bring back 2.12 * scala-native 0.4.17 * Explicit crossScalaVersions * Scala.js 1.16.0 * Drop 2.12 * Simplify, rely on scala-yaml more * scala-yaml 0.1.0 * Update circe * fix * fix * fix * fix
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circe-yaml-scalayaml/shared/src/main/scala/io/circe/yaml/scalayaml/Parser.scala
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2016 circe | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package io.circe.yaml.scalayaml | ||
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| import cats.data.ValidatedNel | ||
| import cats.syntax.all._ | ||
| import io.circe | ||
| import io.circe.Decoder | ||
| import io.circe.Json | ||
| import io.circe.ParsingFailure | ||
| import org.virtuslab.yaml._ | ||
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| import java.io.Reader | ||
| import scala.collection.mutable | ||
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| object Parser extends io.circe.yaml.common.Parser { | ||
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| private def readerToString(yaml: Reader): String = { | ||
| val buffer = new Array[Char](4 * 1024) | ||
| val builder = new mutable.StringBuilder(4 * 1024) | ||
| var readBytes = -1 | ||
| while ({ readBytes = yaml.read(buffer); readBytes } > 0) | ||
| builder.appendAll(buffer, 0, readBytes) | ||
| builder.result() | ||
| } | ||
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| override def parse(yaml: Reader): Either[ParsingFailure, Json] = { | ||
| val string = readerToString(yaml) | ||
| parse(string) | ||
| } | ||
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| override def parseDocuments(yaml: Reader): Stream[Either[ParsingFailure, Json]] = { | ||
| val string = readerToString(yaml) | ||
| val parsed = parse(string) | ||
| Stream(parsed) | ||
| } | ||
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| override def parseDocuments(yaml: String): Stream[Either[ParsingFailure, Json]] = { | ||
| val parsed = parse(yaml) | ||
| Stream(parsed) | ||
| } | ||
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| override def decode[A: Decoder](input: Reader): Either[circe.Error, A] = { | ||
| val string = readerToString(input) | ||
| val parsed = parse(string) | ||
| parsed.flatMap(_.as[A]) | ||
| } | ||
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| override def decodeAccumulating[A: Decoder](input: Reader): ValidatedNel[circe.Error, A] = | ||
| decode(input).toValidatedNel | ||
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| override def parse(input: String): Either[ParsingFailure, Json] = { | ||
| val node = input.asNode | ||
| node match { | ||
| case Right(node) => nodeToJson(node) | ||
| case Left(error) => Left(errorToFailure(error)) | ||
| } | ||
| } | ||
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| private def scalarNodeToJson(node: Node.ScalarNode): Either[ParsingFailure, Json] = { | ||
| val parsed = YamlDecoder.forAny.construct(node).left.map(errorToFailure) | ||
| parsed.flatMap { | ||
| case null | None => Json.Null.asRight | ||
| case value: String => Json.fromString(value).asRight | ||
| case value: Int => Json.fromInt(value).asRight | ||
| case double: Double => | ||
| Json.fromDouble(double).toRight(ParsingFailure(s"${node.value} cannot be represented as a JSON number.", null)) | ||
| case value: Boolean => Json.fromBoolean(value).asRight | ||
| case value: Long => Json.fromLong(value).asRight | ||
| case float: Float => | ||
| Json.fromFloat(float).toRight(ParsingFailure(s"${node.value} cannot be represented as a JSON number.", null)) | ||
| case value: BigDecimal => Json.fromBigDecimal(value).asRight | ||
| case value: BigInt => Json.fromBigInt(value).asRight | ||
| case value: Byte => Json.fromInt(value.toInt).asRight | ||
| case value: Short => Json.fromInt(value.toInt).asRight | ||
| case value => ParsingFailure(s"Can't map ${value.getClass.getSimpleName} (${node.value}) to JSON.", null).asLeft | ||
| } | ||
| } | ||
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| private def nodeToJson(node: Node): Either[ParsingFailure, Json] = node match { | ||
| case node: Node.ScalarNode => | ||
| scalarNodeToJson(node) | ||
| case Node.SequenceNode(nodes, _) => | ||
| val values = nodes.traverse(nodeToJson) | ||
| values.map(Json.fromValues) | ||
| case Node.MappingNode(mappings, _) => | ||
| val fields = mappings.toList.traverse { | ||
| case (Node.ScalarNode(key, _), value) => | ||
| nodeToJson(value).map(key -> _) | ||
| case (node, _) => | ||
| Left(ParsingFailure(s"Unexpected ${node.getClass.getSimpleName} type, expected ScalarNode.", null)) | ||
| } | ||
| fields.map(Json.fromFields) | ||
| } | ||
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| private def errorToFailure(error: YamlError): ParsingFailure = | ||
| ParsingFailure(s"Parsing failed: ${error.msg}", error) | ||
| } |
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circe-yaml-scalayaml/shared/src/main/scala/io/circe/yaml/scalayaml/Printer.scala
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| /* | ||
| * Copyright 2016 circe | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package io.circe.yaml.scalayaml | ||
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| import io.circe.Json | ||
| import org.virtuslab.yaml.Node | ||
| import org.virtuslab.yaml.NodeOps | ||
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| object Printer extends io.circe.yaml.common.Printer { | ||
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| override def pretty(json: Json): String = { | ||
| val node = jsonToNode(json) | ||
| node.asYaml | ||
| } | ||
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| private def jsonToNode(json: Json): Node = json match { | ||
| case Json.JArray(value) => | ||
| Node.SequenceNode(value.map(jsonToNode): _*) | ||
| case Json.JObject(value) => | ||
| Node.MappingNode(value.toMap.map { case (key, value) => (Node.ScalarNode(key): Node) -> jsonToNode(value) }) | ||
| case json => | ||
| Node.ScalarNode(json.toString) | ||
| } | ||
| } |
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