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org.jetbrains.kotlin.utils.JsLibraryUtils.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.utils
import com.intellij.openapi.diagnostic.Logger
import com.intellij.openapi.util.io.FileUtil
import com.intellij.util.Processor
import org.jetbrains.kotlin.utils.fileUtils.withReplacedExtensionOrNull
import java.io.File
import java.io.IOException
import java.util.zip.ZipEntry
import java.util.zip.ZipFile
object JsLibraryUtils {
private val LOG = Logger.getInstance(LibraryUtils::class.java)
private val META_INF_RESOURCES = "${LibraryUtils.META_INF}resources/"
@JvmStatic fun copyJsFilesFromLibraries(libraries: List, outputLibraryJsPath: String, copySourceMap: Boolean = false) {
for (library in libraries) {
val file = File(library)
assert(file.exists()) { "Library $library not found" }
if (file.isDirectory) {
copyJsFilesFromDirectory(file, outputLibraryJsPath, copySourceMap)
}
else {
copyJsFilesFromZip(file, outputLibraryJsPath, copySourceMap)
}
}
}
@JvmStatic fun traverseJsLibraries(libs: List, action: (JsLibrary) -> Unit) {
libs.forEach { traverseJsLibrary(it, action) }
}
@JvmStatic fun traverseJsLibrary(lib: File, action: (JsLibrary) -> Unit) {
when {
lib.isDirectory -> traverseDirectory(lib, action)
FileUtil.isJarOrZip(lib) -> traverseArchive(lib, action)
lib.name.endsWith(KotlinJavascriptMetadataUtils.JS_EXT) -> {
lib.runIfFileExists(lib.path, action)
val jsFile = lib.withReplacedExtensionOrNull(
KotlinJavascriptMetadataUtils.META_JS_SUFFIX, KotlinJavascriptMetadataUtils.JS_EXT
)
jsFile?.runIfFileExists(jsFile.path, action)
}
}
}
private fun File.runIfFileExists(relativePath: String, action: (JsLibrary) -> Unit) {
if (isFile) {
action(JsLibrary(readText(), relativePath, correspondingSourceMapFile().contentIfExists()))
}
}
private fun copyJsFilesFromDirectory(dir: File, outputLibraryJsPath: String, copySourceMap: Boolean) {
traverseDirectory(dir) { copyLibrary(outputLibraryJsPath, it, copySourceMap) }
}
private fun File.contentIfExists(): String? = if (exists()) readText() else null
private fun File.correspondingSourceMapFile(): File = File(parentFile, name + ".map")
private fun processDirectory(dir: File, action: (JsLibrary) -> Unit) {
FileUtil.processFilesRecursively(dir, Processor { file ->
val relativePath = FileUtil.getRelativePath(dir, file)
?: throw IllegalArgumentException("relativePath should not be null $dir $file")
if (relativePath.endsWith(KotlinJavascriptMetadataUtils.JS_EXT)) {
val suggestedRelativePath = getSuggestedPath(relativePath) ?: return@Processor true
file.runIfFileExists(suggestedRelativePath, action)
}
true
})
}
private fun traverseDirectory(dir: File, action: (JsLibrary) -> Unit) {
try {
processDirectory(dir, action)
}
catch (ex: IOException) {
LOG.error("Could not read files from directory ${dir.name}: ${ex.message}")
}
}
private fun copyJsFilesFromZip(file: File, outputLibraryJsPath: String, copySourceMap: Boolean) {
traverseArchive(file) { copyLibrary(outputLibraryJsPath, it, copySourceMap) }
}
private fun copyLibrary(outputPath: String, library: JsLibrary, copySourceMap: Boolean) {
val targetFile = File(outputPath, library.path)
targetFile.parentFile.mkdirs()
targetFile.writeText(library.content)
if (copySourceMap) {
library.sourceMapContent?.let { File(targetFile.parent, targetFile.name + ".map").writeText(it) }
}
}
private fun traverseArchive(file: File, action: (JsLibrary) -> Unit) {
val zipFile = ZipFile(file.path)
try {
val zipEntries = zipFile.entries()
val librariesWithoutSourceMaps = mutableListOf()
val possibleMapFiles = mutableMapOf()
while (zipEntries.hasMoreElements()) {
val entry = zipEntries.nextElement()
val entryName = entry.name
if (!entry.isDirectory) {
if (entryName.endsWith(KotlinJavascriptMetadataUtils.JS_EXT)) {
val relativePath = getSuggestedPath(entryName) ?: continue
val stream = zipFile.getInputStream(entry)
val content = FileUtil.loadTextAndClose(stream)
librariesWithoutSourceMaps += JsLibrary(content, relativePath, null)
}
else if (entryName.endsWith(KotlinJavascriptMetadataUtils.JS_MAP_EXT)) {
val correspondingJsPath = entryName.removeSuffix(KotlinJavascriptMetadataUtils.JS_MAP_EXT) +
KotlinJavascriptMetadataUtils.JS_EXT
possibleMapFiles[correspondingJsPath] = entry
}
}
}
librariesWithoutSourceMaps
.map {
val zipEntry = possibleMapFiles[it.path]
if (zipEntry != null) {
val stream = zipFile.getInputStream(zipEntry)
val content = FileUtil.loadTextAndClose(stream)
it.copy(sourceMapContent = content)
}
else {
it
}
}
.forEach(action)
}
catch (ex: IOException) {
LOG.error("Could not extract files from archive ${file.name}: ${ex.message}")
}
finally {
zipFile.close()
}
}
private fun getSuggestedPath(path: String): String? {
val systemIndependentPath = FileUtil.toSystemIndependentName(path)
if (systemIndependentPath.startsWith(LibraryUtils.META_INF)) {
if (systemIndependentPath.startsWith(META_INF_RESOURCES)) {
return path.substring(META_INF_RESOURCES.length)
}
return null
}
return path
}
}
data class JsLibrary(val content: String, val path: String, val sourceMapContent: String?)