org.jetbrains.kotlin.diagnostics.rendering.LanguageFeatureMessageRenderer.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* 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.
*/
package org.jetbrains.kotlin.diagnostics.rendering
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.config.LanguageVersionSettings
class LanguageFeatureMessageRenderer @JvmOverloads constructor(
private val type: Type,
private val useHtml: Boolean = false
) : DiagnosticParameterRenderer> {
enum class Type {
UNSUPPORTED,
WARNING,
ERROR
}
override fun render(obj: Pair, renderingContext: RenderingContext): String {
val (feature, settings) = obj
val since = feature.sinceVersion
val sb = StringBuilder()
sb.append("The feature \"").append(feature.presentableName).append("\" is ")
when (type) {
Type.UNSUPPORTED ->
when {
since == null ->
sb.append("experimental and should be enabled explicitly")
since > settings.languageVersion ->
sb.append("only available since language version ").append(since.versionString)
feature.sinceApiVersion > settings.apiVersion ->
sb.append("only available since API version ").append(feature.sinceApiVersion.versionString)
else ->
sb.append("disabled")
}
Type.WARNING -> sb.append("experimental")
Type.ERROR -> sb.append("experimental and disabled")
}
val hintUrl = feature.hintUrl
if (hintUrl != null) {
if (useHtml) {
sb.append(" (").append("see more here)")
} else {
sb.append(" (see: ").append(hintUrl).append(")")
}
}
return sb.toString()
}
}