private void parseQuotedValue()

in src/main/java/com/univocity/parsers/csv/CsvParser.java [293:391]
84 lines of code
45 McCabe index (conditional complexity)

	private void parseQuotedValue() {
		if (prev != '\0' && parseUnescapedQuotesUntilDelimiter) {
			if (quoteHandling == SKIP_VALUE) {
				skipValue();
				return;
			}
			if (!keepQuotes) {
				output.appender.prepend(quote);
			}
			ch = input.nextChar();
			output.trim = ignoreTrailingWhitespace;
			ch = output.appender.appendUntil(ch, input, delimiter, newLine);
		} else {
			if (keepQuotes && prev == '\0') {
				output.appender.append(quote);
			}
			ch = input.nextChar();

			if (trimQuotedLeading && ch <= ' ' && output.appender.length() == 0) {
				while ((ch = input.nextChar()) <= ' ') ;
			}

			while (true) {
				if (prev == quote && (ch <= ' ' && whitespaceRangeStart < ch || ch == delimiter || ch == newLine)) {
					break;
				}

				if (ch != quote && ch != quoteEscape) {
					if (prev == quote) { //unescaped quote detected
						if (handleUnescapedQuote()) {
							if (quoteHandling == SKIP_VALUE) {
								break;
							} else {
								return;
							}
						} else {
							return;
						}
					}
					if (prev == quoteEscape && quoteEscape != '\0') {
						output.appender.append(quoteEscape);
					}
					ch = output.appender.appendUntil(ch, input, quote, quoteEscape, escapeEscape);
					prev = ch;
					ch = input.nextChar();
				} else {
					processQuoteEscape();
					prev = ch;
					ch = input.nextChar();
					if (unescaped && (ch == delimiter || ch == newLine)) {
						return;
					}
				}
			}

			// handles whitespaces after quoted value: whitespaces are ignored. Content after whitespaces may be parsed if 'parseUnescapedQuotes' is enabled.
			if (ch != delimiter && ch != newLine && ch <= ' ' && whitespaceRangeStart < ch) {
				whitespaceAppender.reset();
				do {
					//saves whitespaces after value
					whitespaceAppender.append(ch);
					ch = input.nextChar();
					//found a new line, go to next record.
					if (ch == newLine) {
						if (keepQuotes) {
							output.appender.append(quote);
						}
						return;
					}
				} while (ch <= ' ' && whitespaceRangeStart < ch);

				//there's more stuff after the quoted value, not only empty spaces.
				if (ch != delimiter && parseUnescapedQuotes) {
					if (output.appender instanceof DefaultCharAppender) {
						//puts the quote before whitespaces back, then restores the whitespaces
						output.appender.append(quote);
						((DefaultCharAppender) output.appender).append(whitespaceAppender);
					}
					//the next character is not the escape character, put it there
					if (parseUnescapedQuotesUntilDelimiter || ch != quote && ch != quoteEscape) {
						output.appender.append(ch);
					}

					//sets this character as the previous character (may be escaping)
					//calls recursively to keep parsing potentially quoted content
					prev = ch;
					parseQuotedValue();
				} else if (keepQuotes) {
					output.appender.append(quote);
				}
			} else if (keepQuotes) {
				output.appender.append(quote);
			}

			if (ch != delimiter && ch != newLine) {
				throw new TextParsingException(context, "Unexpected character '" + ch + "' following quoted value of CSV field. Expecting '" + delimiter + "'. Cannot parse CSV input.");
			}
		}
	}