generators: extract OperationsMap generator to a separate source set

Refactor generators so that OperationsMapGenerator is in its own source set with minimal dependencies.
2020-01-18 07:14:50 +03:00
parent 2251c27167
commit 7ec04a1bf9
4 changed files with 53 additions and 44 deletions
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+package org.jetbrains.kotlin.generators.util
+
+import com.intellij.openapi.util.SystemInfo
+import com.intellij.openapi.util.text.StringUtil
+import java.io.File
+import java.io.IOException
+import java.nio.file.Files
+import java.nio.file.StandardCopyOption
+
+object GeneratorsFileUtil {
+    @JvmStatic
+    @JvmOverloads
+    @Throws(IOException::class)
+    fun writeFileIfContentChanged(file: File, newText: String, logNotChanged: Boolean = true) {
+        val parentFile = file.parentFile
+        if (!parentFile.exists()) {
+            if (parentFile.mkdirs()) {
+                println("Directory created: " + parentFile.absolutePath)
+            } else {
+                throw IllegalStateException("Cannot create directory: $parentFile")
+            }
+        }
+        if (checkFileIgnoringLineSeparators(file, newText)) {
+            if (logNotChanged) {
+                println("Not changed: " + file.absolutePath)
+            }
+            return
+        }
+        val useTempFile = !SystemInfo.isWindows
+        val tempFile =
+            if (useTempFile) File(createTempDir(file.name), file.name + ".tmp") else file
+        tempFile.writeText(newText, Charsets.UTF_8)
+        println("File written: " + tempFile.absolutePath)
+        if (useTempFile) {
+            Files.move(tempFile.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING)
+            println("Renamed $tempFile to $file")
+        }
+        println()
+    }
+
+    private fun checkFileIgnoringLineSeparators(file: File, content: String): Boolean {
+        val currentContent: String = try {
+            StringUtil.convertLineSeparators(file.readText(Charsets.UTF_8))
+        } catch (ignored: Throwable) {
+            return false
+        }
+        return StringUtil.convertLineSeparators(content) == currentContent
+    }
+}