fix: sonarcloud code smell

Author: Ivanf1

src/main/java/org/apache/commons/csv/CSVFormat.java

@@ -2148,7 +2148,7 @@ private void printWithEscapes(final CharSequence charSeq, final Appendable appen
                 appendable.append(c);
 
                 if (isDelimiterStart) {
-                    pos = appendUntilDelimiter(delimLength, pos, charSeq, appendable);
+                    pos = appendUntilDelimiterGetPosition(delimLength, pos, charSeq, appendable);
                 }
 
                 start = pos + 1; // start on the current char after this one
@@ -2162,7 +2162,7 @@ private void printWithEscapes(final CharSequence charSeq, final Appendable appen
         }
     }
 
-    private int appendUntilDelimiter(int delimLength, int pos, CharSequence charSeq, Appendable appendable) throws IOException {
+    private int appendUntilDelimiterGetPosition(int delimLength, int pos, CharSequence charSeq, Appendable appendable) throws IOException {
         final char escape = getEscapeCharacter().charValue();
 
         for (int i = 1; i < delimLength; i++) {
@@ -2175,9 +2175,24 @@ private int appendUntilDelimiter(int delimLength, int pos, CharSequence charSeq,
         return pos;
     }
 
+    private void appendUntilDelimiter(ExtendedBufferedReader bufferedReader, Appendable appendable, int delimLength) throws IOException {
+        final char escape = getEscapeCharacter().charValue();
+
+        for (int i = 1; i < delimLength; i++) {
+            int c = bufferedReader.read();
+            append(escape, appendable);
+            append((char) c, appendable);
+        }
+
+    }
+
     private boolean isCRLFEscape(char c) {
         return c == CR || c == LF || c == getEscapeCharacter().charValue();
     }
+    // private boolean isCRLFEscape(int x) {
+    //     char c = (char) x;
+    //     return c == CR || c == LF || c == getEscapeCharacter().charValue();
+    // }
 
     private void printWithEscapes(final Reader reader, final Appendable appendable) throws IOException {
         int start = 0;
@@ -2195,7 +2210,7 @@ private void printWithEscapes(final Reader reader, final Appendable appendable)
             builder.append((char) c);
             final boolean isDelimiterStart = isDelimiter((char) c, builder.toString() + new String(bufferedReader.lookAhead(delimLength - 1)), pos, delim,
                     delimLength);
-            if (c == CR || c == LF || c == escape || isDelimiterStart) {
+            if (isCRLFEscape((char) c) || isDelimiterStart) {
                 // write out segment up until this char
                 if (pos > start) {
                     append(builder.substring(start, pos), appendable);
@@ -2212,11 +2227,7 @@ private void printWithEscapes(final Reader reader, final Appendable appendable)
                 append((char) c, appendable);
 
                 if (isDelimiterStart) {
-                    for (int i = 1; i < delimLength; i++) {
-                        c = bufferedReader.read();
-                        append(escape, appendable);
-                        append((char) c, appendable);
-                    }
+                    appendUntilDelimiter(bufferedReader, appendable, delimLength);
                 }
 
                 start = pos + 1; // start on the current char after this one