jadams-tresys commented on code in PR #183:
URL: https://github.com/apache/daffodil-sbt/pull/183#discussion_r3236220365
##########
src/main/scala/org/apache/daffodil/DaffodilPlugin.scala:
##########
@@ -840,6 +854,179 @@ object DaffodilPlugin extends AutoPlugin {
}
}
+ def daffodilFlattenSettings: Seq[Setting[_]] = Seq(
+ daffodilFlattenTarget := target.value /
s"${name.value}-${version.value}-flat.zip",
+
+ /**
+ * Whether or not to publish the flattened schemas zip. Defaults to false.
+ *
+ * If projects want to publish flattened schemas then they must explicitly
enable it by
+ * setting 'daffodilFlattenSchemas / publishArtifact := true'.
+ *
+ * If false, flattened schemas will not be created unless you explicitly
run the
+ * daffodilFlattenSchemas.
+ */
+ daffodilFlattenSchemas / publishArtifact := false,
+
+ daffodilFlattenSchemas / artifact := Artifact(
+ name.value,
+ "flat",
+ "zip",
+ Some("flat"),
+ Vector(),
+ None
+ ),
+
+ /**
+ * Only grab the file types that need to be flattened. These files are only
+ * grabbed from the root project. Any referenced files will be pulled in
+ * from the classpath. Note that XML files are commonly used in XSLT for
+ * settings.
+ */
+ daffodilFlattenSchemas / includeFilter := "*.xsd" | "*.xsl" | "*.xslt" |
"*.xml",
+ daffodilFlattenSchemas / excludeFilter := HiddenFileFilter,
+
+ daffodilFlattenResourceReferencePatterns := List(
+ """schemaLocation=\"([^\"]*)\"""".r,
+ "href=\"([^\"]*)\"".r,
+ "document[(]'([^']*)'[)]".r),
+
+ daffodilFlattenSchemas / products := {
+
+ val logger = streams.value.log
+ val filter = (daffodilFlattenSchemas / includeFilter).value --
(daffodilFlattenSchemas / excludeFilter).value
+
+ val flatDir = target.value / "flatDir"
+ if (flatDir.exists())
+ IO.delete(flatDir)
+ IO.createDirectory(flatDir)
+
+ val projectResources = (Compile / resourceDirectories).value
+ .map { root => root.toURI.toURL -> (root **
filter).get.map(_.toURI.toURL).toList }
+ .toMap
+
+ /**
+ * Create a URLClassLoader object with URLs to all resources used by the
+ * project. The class loader will be used to resolve references made
+ * within the flattened files.
+ */
+ val projectURLs = (Compile /
resourceDirectories).value.map(_.toURI.toURL)
+ val allClasspathURLs = (Test /
externalDependencyClasspath).value.map(_.data.toURI.toURL)
+ val classLoader = new URLClassLoader((projectURLs ++
allClasspathURLs).toArray, null)
+
+ val referenceRegexes = daffodilFlattenResourceReferencePatterns.value
+
+ val processed = scala.collection.mutable.Set[URI]()
+ projectResources foreach { case (rootURL, urls) =>
+ val unprocessed = scala.collection.mutable.Stack[URI]()
+ val rootURI = rootURL.toURI
+ val rootPath = Paths.get(rootURI)
+ unprocessed.pushAll(urls.map(_.toURI))
+ while (!unprocessed.isEmpty) {
+ val contextURI = unprocessed.pop
+ val bytes = contextURI.toURL.openStream().readAllBytes()
+ val contextRelPath = contextURI.getScheme match {
+ case "jar" => Paths.get(contextURI.toString.split("!")(1).tail)
+ case "file" => Paths.get(rootURI.relativize(contextURI).getPath)
+ case _ => throw new IllegalArgumentException(s"Unrecognized URI
scheme: $contextURI")
+ }
+ val contextFlatPath = Paths.get(
+ flatDir.toString,
+ contextRelPath.toString.replaceAll("/", "__"))
+ val bw = Files.newBufferedWriter(contextFlatPath)
+ val fileAsString = new String(bytes, Charset.defaultCharset())
+
+ val references = referenceRegexes.flatMap { re =>
+ re.findAllIn(fileAsString).matchData.map(_.group(1))
+ }
+
+ val resolvedRefs = references.map { ref =>
+ val origLocation = if (ref contains " ") ref.split(" ")(1) else ref
+ if (origLocation.startsWith("/")) {
+ // Dealing with an absolute path
+ val url = Option(classLoader.findResource(origLocation.tail))
+ if (url.isDefined)
+ Some(origLocation -> url.get.toURI)
+ else {
+ logger.warn(s"Unable to resolve absolute reference to $ref
from source file $contextURI")
+ None
+ }
+ } else {
+ // Relative path
+ val relPath =
contextRelPath.resolveSibling(origLocation).normalize()
+ if (Files.exists(rootPath.resolve(relPath))) {
Review Comment:
Is there a problem with the current behavior where if it doesn't find it in
the current root it will use the URLClassLoader which contains URL's for all
the roots? I just feel like this results in the same behavior.
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