Don't strip too many whitespaces from string contents. Fixes #120

Sources/XMLWrangler/Parsing.swift

@@ -123,7 +123,10 @@ extension XMLElement {
                 let leftTrimmed = string.drop(while: { $0.isNewline || $0.isWhitespace })
                 currentElem.content.append(.string(String(leftTrimmed)))
             } else {
-                currentElem.appendString(string.trimmingCharacters(in: .whitespaces))
+                // We must not trim whitespaces here!
+                // For e.g. "One & Two", the parser passes us "One ", "&", " Two".
+                // Cleanup of the string will be taken care of at the end of the element.
+                currentElem.appendString(string)
             }
             elementStack.append(currentElem)
         }

Tests/XMLWranglerTests/GitHubIssueTests.swift

@@ -13,4 +13,20 @@ final class GitHubIssueTests: XCTestCase {
         XCTAssertEqual(try XWElement.parse(str).stringContent(),
                        "Ich bin zerknirscht und verzweifelt\nüber meine schwere Schuld.\nSolch ein Opfer gefällt dir, o Gott,\ndu wirst es nicht ablehnen.")
     }
+
+    // https://github.com/sersoft-gmbh/xmlwrangler/issues/120
+    func testIssue120() throws {
+        let xml = """
+        <?xml version="1.0" encoding="UTF-8"?>
+        <root myattr="myvalue">
+            <child1>One &amp; two</child1>
+        </root>
+        """
+
+        let content = try XMLElement.parse(xml)
+            .element(at: "child1")
+            .stringContent()
+
+        XCTAssertEqual("One & two", content)
+    }
 }