Couple more lgtm.com fixes (including revising one earlier unsuccessful fix)

Author: cowtowncoder

release-notes/VERSION

@@ -7,6 +7,7 @@ Project: aalto-xml
 1.2.3 (not yet released)
 
 * Fix minor offset check bug in `AsyncByteArrayScanner`/`AsyncByteBufferScanner`
+* Various minor fixes based on lgtm.com suggestions
 
 1.2.2 (14-Sep-2019)
 

src/main/java/com/fasterxml/aalto/in/Utf8Scanner.java

@@ -440,22 +440,20 @@ private void handleNsDeclaration(PName name, byte quoteByte)
                             ++_inputPtr;
                         }
                         markLF();
-                    } else {
-                        if (c > 0x7F) {
-                            c = decodeMultiByteChar(c, _inputPtr);
-                            if (c < 0) { // surrogate pair
-                                c = -c;
-                                // Let's add first part right away:
-                                if (attrPtr >= attrBuffer.length) {
-                                    _nameBuffer = attrBuffer = DataUtil.growArrayBy(attrBuffer, attrBuffer.length);
-                                }
-                                c -= 0x10000;
-                                attrBuffer[attrPtr++] = (char) (0xD800 | (c >> 10));
-                                c = 0xDC00 | (c & 0x3FF);
-                            }
-                        } else if (c != INT_TAB) {
-                            throwInvalidSpace(c);
+                    } else if (c != INT_TAB) {
+                        throwInvalidSpace(c);
+                    }
+                } else if (c > 0x7F) {
+                    c = decodeMultiByteChar(c, _inputPtr);
+                    if (c < 0) { // surrogate pair
+                        c = -c;
+                        // Let's add first part right away:
+                        if (attrPtr >= attrBuffer.length) {
+                            _nameBuffer = attrBuffer = DataUtil.growArrayBy(attrBuffer, attrBuffer.length);
                         }
+                        c -= 0x10000;
+                        attrBuffer[attrPtr++] = (char) (0xD800 | (c >> 10));
+                        c = 0xDC00 | (c & 0x3FF);
                     }
                 }
             }

src/main/java/com/fasterxml/aalto/stax/OutputFactoryImpl.java

@@ -188,21 +188,18 @@ public void configureForSpeed()
     /**********************************************************************
      */
 
-    /**
-     * Bottleneck factory method used internally; needs to take care of passing
-     * proper settings to stream writer.
-     *
-     * @param autoCloseOutput Whether writer should automatically close the
-     *   output stream or Writer, when close() is called on stream writer.
-     */
+    // Bottleneck factory method used internally; needs to take care of passing
+    // proper settings to stream writer.
+    //
+    // @param forceAutoClose Whether writer should automatically close the
+    //   output stream or Writer, when close() is called on stream writer.
     private XMLStreamWriter2 createSW(OutputStream out, Writer w, String enc,
-                                      boolean forceAutoClose)
+            boolean forceAutoClose)
         throws XMLStreamException
     {
-        /* Need to ensure that the configuration object is not shared
-         * any more; otherwise later changes via factory could be
-         * visible half-way through output...
-         */
+        // Need to ensure that the configuration object is not shared
+        // any more; otherwise later changes via factory could be
+        // visible half-way through output...
         WriterConfig cfg = _config.createNonShared();
         if (forceAutoClose) {
             cfg.doAutoCloseOutput(true);
@@ -214,9 +211,8 @@ private XMLStreamWriter2 createSW(OutputStream out, Writer w, String enc,
             if (enc == null) {
                 enc = XmlConsts.STAX_DEFAULT_OUTPUT_ENCODING;
             } else {
-                /* Canonical ones are interned, so we may have
-                 * normalized encoding already...
-                 */
+                // Canonical ones are interned, so we may have
+                // normalized encoding already...
                 if (enc != CharsetNames.CS_UTF8
                     && enc != CharsetNames.CS_ISO_LATIN1
                     && enc != CharsetNames.CS_US_ASCII) {

src/main/java/com/fasterxml/aalto/util/TextBuilder.java

@@ -459,13 +459,12 @@ public boolean isAllWhitespace()
         return true;
     }
 
-    /**
+    /*
      * Method that can be used to check if the contents of the buffer end
      * in specified String.
      *
      * @return True if the textual content buffer contains ends with the
      *   specified String; false otherwise
-     */
     public boolean endsWith(String str)
     {
         int segIndex = (_segments == null) ? 0 : _segments.size();
@@ -488,9 +487,9 @@ public boolean endsWith(String str)
                 bufIndex = buf.length-1;
             }
         }
-
         return true;
     }
+    */
 
     /**
      * Note: it is assumed that this method is not used often enough to