formatting

Author: swhitty

SwiftDraw/XML.SAXParser.swift

@@ -35,87 +35,87 @@ import FoundationXML
 #endif
 
 extension XML {
-  
-  final class SAXParser: NSObject, XMLParserDelegate {
-    
-    #if canImport(FoundationXML)
-    typealias FoundationXMLParser = FoundationXML.XMLParser
-    #else
-    typealias FoundationXMLParser = Foundation.XMLParser
-    #endif
-    
-    private let parser: FoundationXMLParser
-    private let namespaceURI = "http://www.w3.org/2000/svg"
-    
-    private var rootNode: Element?
-    private var elements: [Element]
-    
-    private var currentElement: Element {
-      return elements.last!
-    }
-    
-    private init(data: Data) {
-      self.parser = FoundationXMLParser(data: data)
-      elements = [Element]()
-      super.init()
-      
-      self.parser.delegate = self
-      self.parser.shouldProcessNamespaces = true
-    }
-    
-    static func parse(data: Data) throws -> Element {
-      let parser = SAXParser(data: data)
-      
-      guard
-        parser.parser.parse(),
-
-        let rootNode = parser.rootNode else {
-          throw XMLParser.Error.invalidDocument(error: parser.parser.parserError,
-                                                element: parser.elements.last?.name,
-                                                line: parser.parser.lineNumber,
-                                                column: parser.parser.columnNumber)
-      }
-
-      return rootNode
-    }
-    
-    static func parse(contentsOf url: URL) throws -> Element {
-      let data = try Data(contentsOf: url)
-      return try parse(data: data)
-    }
-    
-    func parser(_ parser: FoundationXMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName _: String?, attributes attributeDict: [String: String] = [:]) {
-      guard
-        self.parser === parser,
-        namespaceURI == self.namespaceURI else {
-          return
-      }
-      
-      let element = Element(name: elementName, attributes: attributeDict)
-      element.parsedLocation = (line: parser.lineNumber, column: parser.columnNumber)
-      
-      elements.last?.children.append(element)
-      elements.append(element)
-      
-      if rootNode == nil {
-        rootNode = element
-      }
-    }
-    
-    func parser(_ parser: FoundationXMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName _: String?) {
-      guard
-        namespaceURI == self.namespaceURI,
-        currentElement.name == elementName else {
-          return
-      }
-      
-      elements.removeLast()
-    }
-    
-    func parser(_ parser: FoundationXMLParser, foundCharacters string: String) {
-      guard let element = elements.last else { return }
-      let text = element.innerText.map { $0.appending(string) }
-      element.innerText = text ?? string
+
+    final class SAXParser: NSObject, XMLParserDelegate {
+
+#if canImport(FoundationXML)
+        typealias FoundationXMLParser = FoundationXML.XMLParser
+#else
+        typealias FoundationXMLParser = Foundation.XMLParser
+#endif
+
+        private let parser: FoundationXMLParser
+        private let namespaceURI = "http://www.w3.org/2000/svg"
+
+        private var rootNode: Element?
+        private var elements: [Element]
+
+        private var currentElement: Element {
+            return elements.last!
+        }
+
+        private init(data: Data) {
+            self.parser = FoundationXMLParser(data: data)
+            elements = [Element]()
+            super.init()
+
+            self.parser.delegate = self
+            self.parser.shouldProcessNamespaces = true
+        }
+
+        static func parse(data: Data) throws -> Element {
+            let parser = SAXParser(data: data)
+
+            guard
+                parser.parser.parse(),
+
+                    let rootNode = parser.rootNode else {
+                throw XMLParser.Error.invalidDocument(error: parser.parser.parserError,
+                                                      element: parser.elements.last?.name,
+                                                      line: parser.parser.lineNumber,
+                                                      column: parser.parser.columnNumber)
+            }
+
+            return rootNode
+        }
+
+        static func parse(contentsOf url: URL) throws -> Element {
+            let data = try Data(contentsOf: url)
+            return try parse(data: data)
+        }
+
+        func parser(_ parser: FoundationXMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName _: String?, attributes attributeDict: [String: String] = [:]) {
+            guard
+                self.parser === parser,
+                namespaceURI == self.namespaceURI else {
+                return
+            }
+
+            let element = Element(name: elementName, attributes: attributeDict)
+            element.parsedLocation = (line: parser.lineNumber, column: parser.columnNumber)
+
+            elements.last?.children.append(element)
+            elements.append(element)
+
+            if rootNode == nil {
+                rootNode = element
+            }
+        }
+
+        func parser(_ parser: FoundationXMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName _: String?) {
+            guard
+                namespaceURI == self.namespaceURI,
+                currentElement.name == elementName else {
+                return
+            }
+
+            elements.removeLast()
+        }
+
+        func parser(_ parser: FoundationXMLParser, foundCharacters string: String) {
+            guard let element = elements.last else { return }
+            let text = element.innerText.map { $0.appending(string) }
+            element.innerText = text ?? string
+        }
     }
-  }
 }