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CSV Reader does not escape ASCII control characters #512

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nandinir-db opened this issue Aug 26, 2022 · 0 comments
Open

CSV Reader does not escape ASCII control characters #512

nandinir-db opened this issue Aug 26, 2022 · 0 comments

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@nandinir-db
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import java.io.*;
import java.util.*;
import com.univocity.parsers.csv.*;

public class Test {

    public static void main(String ... args){
        CsvParserSettings settings = new CsvParserSettings();
        settings.getFormat().setLineSeparator("\n");
        settings.getFormat().setQuote('\u0012');
        settings.getFormat().setQuoteEscape('\u0012');
        // RAISE_ERROR // STOP_AT_CLOSING_QUOTE
        UnescapedQuoteHandling u= UnescapedQuoteHandling.valueOf("RAISE_ERROR");
        settings.setUnescapedQuoteHandling(u);

        settings.setParseUnescapedQuotes(true);
        CsvParser parser = new CsvParser(settings);

        String line1 = "\u00127\u0012,\u0012EmbeddedDouble\u0012,\u0012field\u0012\u0012 t\u0012\u0012ext\u0012,\u0012field\u0012\u0012 t\u0012\u0012ext\u0012";

        System.out.println("Input line: " + line1);


        List<String[]> allLines = parser.parseAll(new StringReader(line1));

        int count = 0;
        for(String[] line : allLines){
            System.out.println("Line " + ++count);
            for(String element : line){
                System.out.println("\t" + element);
            }
            System.out.println();
        }
    }
}

Error:

/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/bin/java -javaagent:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar=51890:/Applications/IntelliJ IDEA CE.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_333.jdk/Contents/Home/jre/lib/rt.jar:/Users/nandini.r/IdeaProjects/JarTest/out/production/JarTest:/Users/nandini.r/Desktop/univocity-parsers-2.8.4.jar Test
Input line: �7�,�EmbeddedDouble�,�field�� t��ext�,�field�� t��ext�
Exception in thread "main" com.univocity.parsers.common.TextParsingException: com.univocity.parsers.common.TextParsingException - Unexpected character 't' following quoted value of CSV field. Expecting ','. Cannot parse CSV input.
Internal state when error was thrown: line=0, column=2, record=0, charIndex=31, content parsed=field
Parser Configuration: CsvParserSettings:
	Auto configuration enabled=true
	Auto-closing enabled=true
	Autodetect column delimiter=false
	Autodetect quotes=false
	Column reordering enabled=true
	Delimiters for detection=null
	Empty value=null
	Escape unquoted values=false
	Header extraction enabled=null
	Headers=null
	Ignore leading whitespaces=true
	Ignore leading whitespaces in quotes=false
	Ignore trailing whitespaces=true
	Ignore trailing whitespaces in quotes=false
	Input buffer size=1048576
	Input reading on separate thread=true
	Keep escape sequences=false
	Keep quotes=false
	Length of content displayed on error=-1
	Line separator detection enabled=false
	Maximum number of characters per column=4096
	Maximum number of columns=512
	Normalize escaped line separators=true
	Null value=null
	Number of records to read=all
	Processor=none
	Restricting data in exceptions=false
	RowProcessor error handler=null
	Selected fields=none
	Skip bits as whitespace=true
	Skip empty lines=true
	Unescaped quote handling=RAISE_ERRORFormat configuration:
	CsvFormat:
		Comment character=#
		Field delimiter=,
		Line separator (normalized)=\n
		Line separator sequence=\n
		Quote character=�
		Quote escape character=�
		Quote escape escape character=null
Internal state when error was thrown: line=0, column=2, record=0, charIndex=31, content parsed=field
	at com.univocity.parsers.common.AbstractParser.handleException(AbstractParser.java:395)
	at com.univocity.parsers.common.AbstractParser.parseNext(AbstractParser.java:616)
	at com.univocity.parsers.common.AbstractParser.internalParseAll(AbstractParser.java:545)
	at com.univocity.parsers.common.AbstractParser.parseAll(AbstractParser.java:538)
	at com.univocity.parsers.common.AbstractParser.parseAll(AbstractParser.java:525)
	at Test.main(Test.java:33)
Caused by: com.univocity.parsers.common.TextParsingException: Unexpected character 't' following quoted value of CSV field. Expecting ','. Cannot parse CSV input.
Internal state when error was thrown: line=0, column=2, record=0, charIndex=31, content parsed=field
	at com.univocity.parsers.csv.CsvParser.parseQuotedValue(CsvParser.java:458)
	at com.univocity.parsers.csv.CsvParser.parseSingleDelimiterRecord(CsvParser.java:176)
	at com.univocity.parsers.csv.CsvParser.parseRecord(CsvParser.java:108)
	at com.univocity.parsers.common.AbstractParser.parseNext(AbstractParser.java:574)
	... 4 more

Process finished with exit code 1

Issue is reproducible on the latest jar https://mvnrepository.com/artifact/com.univocity/univocity-parsers/2.9.1

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