private void printWithEscapes()

in src/main/java/org/apache/commons/csv/CSVFormat.java [1961:2005]
37 lines of code
12 McCabe index (conditional complexity)

    private void printWithEscapes(final CharSequence charSeq, final Appendable appendable) throws IOException {
        int start = 0;
        int pos = 0;
        final int end = charSeq.length();

        final char[] delim = getDelimiterString().toCharArray();
        final int delimLength = delim.length;
        final char escape = getEscapeCharacter().charValue();

        while (pos < end) {
            char c = charSeq.charAt(pos);
            final boolean isDelimiterStart = isDelimiter(c, charSeq, pos, delim, delimLength);
            if (c == CR || c == LF || c == escape || isDelimiterStart) {
                // write out segment up until this char
                if (pos > start) {
                    appendable.append(charSeq, start, pos);
                }
                if (c == LF) {
                    c = 'n';
                } else if (c == CR) {
                    c = 'r';
                }

                appendable.append(escape);
                appendable.append(c);

                if (isDelimiterStart) {
                    for (int i = 1; i < delimLength; i++) {
                        pos++;
                        c = charSeq.charAt(pos);
                        appendable.append(escape);
                        appendable.append(c);
                    }
                }

                start = pos + 1; // start on the current char after this one
            }
            pos++;
        }

        // write last segment
        if (pos > start) {
            appendable.append(charSeq, start, pos);
        }
    }