Handle html entities in XML files

core/jvm/src/main/scala/coursier/core/compatibility/Entities.scala

@@ -0,0 +1,99 @@
+package coursier.core.compatibility
+
+object Entities {
+
+  // Generated via https://gist.github.com/alexarchambault/79388ff31ec8cbddf6607b55ab2f6527
+
+  val entities = Vector(
+    (" ", " "),
+    ("¡", "¡"),
+    ("¢", "¢"),
+    ("£", "£"),
+    ("¤", "¤"),
+    ("¥", "¥"),
+    ("¦", "¦"),
+    ("§", "§"),
+    ("¨", "¨"),
+    ("©", "©"),
+    ("ª", "ª"),
+    ("«", "«"),
+    ("¬", "¬"),
+    ("­", "­"),
+    ("®", "®"),
+    ("¯", "¯"),
+    ("°", "°"),
+    ("±", "±"),
+    ("´", "´"),
+    ("µ", "µ"),
+    ("¶", "¶"),
+    ("·", "·"),
+    ("¸", "¸"),
+    ("º", "º"),
+    ("»", "»"),
+    ("¿", "¿"),
+    ("À", "À"),
+    ("Á", "Á"),
+    ("Â", "Â"),
+    ("Ã", "Ã"),
+    ("Ä", "Ä"),
+    ("Å", "Å"),
+    ("Æ", "Æ"),
+    ("Ç", "Ç"),
+    ("È", "È"),
+    ("É", "É"),
+    ("Ê", "Ê"),
+    ("Ë", "Ë"),
+    ("Ì", "Ì"),
+    ("Í", "Í"),
+    ("Î", "Î"),
+    ("Ï", "Ï"),
+    ("Ð", "Ð"),
+    ("Ñ", "Ñ"),
+    ("Ò", "Ò"),
+    ("Ó", "Ó"),
+    ("Ô", "Ô"),
+    ("Õ", "Õ"),
+    ("Ö", "Ö"),
+    ("×", "×"),
+    ("Ø", "Ø"),
+    ("Ù", "Ù"),
+    ("Ú", "Ú"),
+    ("Û", "Û"),
+    ("Ü", "Ü"),
+    ("Ý", "Ý"),
+    ("Þ", "Þ"),
+    ("ß", "ß"),
+    ("à", "à"),
+    ("á", "á"),
+    ("â", "â"),
+    ("ã", "ã"),
+    ("ä", "ä"),
+    ("å", "å"),
+    ("æ", "æ"),
+    ("ç", "ç"),
+    ("è", "è"),
+    ("é", "é"),
+    ("ê", "ê"),
+    ("ë", "ë"),
+    ("ì", "ì"),
+    ("í", "í"),
+    ("î", "î"),
+    ("ï", "ï"),
+    ("ð", "ð"),
+    ("ñ", "ñ"),
+    ("ò", "ò"),
+    ("ó", "ó"),
+    ("ô", "ô"),
+    ("õ", "õ"),
+    ("ö", "ö"),
+    ("÷", "÷"),
+    ("ø", "ø"),
+    ("ù", "ù"),
+    ("ú", "ú"),
+    ("û", "û"),
+    ("ü", "ü"),
+    ("ý", "ý"),
+    ("þ", "þ"),
+    ("ÿ", "ÿ")
+  )
+}

core/jvm/src/main/scala/coursier/core/compatibility/package.scala

@@ -2,6 +2,8 @@ package coursier.core
 
 import coursier.util.Xml
 
+import java.util.regex.Pattern.quote
+
 import scala.collection.JavaConverters._
 import scala.xml.{ Attribute, MetaData, Null }
 
@@ -14,11 +16,23 @@ package object compatibility {
     def letter = c.isLetter
   }
 
+  private val entityPattern = (quote("&") + "[a-zA-Z]+" + quote(";")).r
+
   private val utf8Bom = "\ufeff"
 
   def xmlParse(s: String): Either[String, Xml.Node] = {
+
+    val content =
+      if (entityPattern.findFirstIn(s).isEmpty)
+        s
+      else
+        Entities.entities.foldLeft(s) {
+          case (s0, (target, replacement)) =>
+            s0.replace(target, replacement)
+        }
+
     def parse =
-      try Right(scala.xml.XML.loadString(s.stripPrefix(utf8Bom)))
+      try Right(scala.xml.XML.loadString(content.stripPrefix(utf8Bom)))
       catch { case e: Exception => Left(e.toString + Option(e.getMessage).fold("")(" (" + _ + ")")) }
 
     def fromNode(node: scala.xml.Node): Xml.Node =

tests/shared/src/test/resources/resolutions/org.codehaus.plexus/plexus/1.0.4

@@ -0,0 +1 @@
+org.codehaus.plexus:plexus:1.0.4:compile

tests/shared/src/test/scala/coursier/test/CentralTests.scala

@@ -616,6 +616,13 @@ object CentralTests extends TestSuite {
       }
     }
 
+    'entities - {
+      'odash - resolutionCheck(
+        Module("org.codehaus.plexus", "plexus"),
+        "1.0.4"
+      )
+    }
+
     'parentBeforeImports - {
       * - resolutionCheck(
         Module("org.kie", "kie-api"),