jadams-tresys commented on code in PR #183:
URL: https://github.com/apache/daffodil-sbt/pull/183#discussion_r3260505304
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src/main/scala/org/apache/daffodil/DaffodilPlugin.scala:
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@@ -840,6 +854,215 @@ 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(
+ """(?<!xsi:)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 projectURLs = (Compile / resourceDirectories).value.map { root =>
+ (root ** filter).get.map(_.toURI.toURL).toList
+ }.flatten
+
+ /**
+ * 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 allClasspathURLs = (Test /
externalDependencyClasspath).value.map(_.data.toURI.toURL)
+ val classLoader = new URLClassLoader((projectURLs ++
allClasspathURLs).toArray, null)
+
+ val referenceRegexes = daffodilFlattenResourceReferencePatterns.value
+ val jarRegex = "(.*)!(.*)".r
+
+ val seen = scala.collection.mutable.Set[URI]()
+ val unprocessed = scala.collection.mutable.Stack[URI]()
+ unprocessed.pushAll(projectURLs.map(_.toURI))
+ seen ++= projectURLs.map(_.toURI)
+ while (!unprocessed.isEmpty) {
+ val contextURI = unprocessed.pop
+ val bytes = contextURI.toURL.openStream().readAllBytes()
+ val (contextPath, flatPath) = contextURI.getScheme match {
+ case "jar" =>
+ contextURI.toString match {
+ case jarRegex(jarPath, path) => {
+ val fs = try {
+ FileSystems.getFileSystem(contextURI)
+ } catch {
+ case e: FileSystemNotFoundException =>
+ FileSystems.newFileSystem(contextURI, new
java.util.HashMap[String, Any]())
Review Comment:
I'll add code for opening/closing each processing loop. I'm guessing it
should be plenty fast enough given that our largest schemas can be flattened in
1 second.
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