C++ MessageFormat::parse方法代码示例

void MessageFormatRegressionTest::Test4120552()
{
    UErrorCode status = U_ZERO_ERROR;
    MessageFormat *mf = new MessageFormat("pattern", status);
    failure(status, "new MessageFormat");
    UnicodeString texts[] = {
        (UnicodeString)"pattern", 
            (UnicodeString)"pat", 
            (UnicodeString)"1234"
    };
    UnicodeString pat;
    logln("pattern: \"" + mf->toPattern(pat) + "\"");
    for (int i = 0; i < 3; i++) {
        ParsePosition pp(0);
        //Object[] objs = mf.parse(texts[i], pp);
        int32_t count = 0;
        Formattable *objs = mf->parse(texts[i], pp, count);
        log("  text for parsing: \"" + texts[i] + "\"");
        if (objs == NULL) {
            logln("  (incorrectly formatted string)");
            if (pp.getErrorIndex() == -1)
                errln(UnicodeString("Incorrect error index: ") + pp.getErrorIndex());
        } else {
            logln("  (correctly formatted string)");
            delete[] objs;
        }
    }
    delete mf;
}

void MessageFormatRegressionTest::Test4118594()
{
    UErrorCode status = U_ZERO_ERROR;
    const UBool possibleDataError = TRUE;
    MessageFormat *mf = new MessageFormat("{0}, {0}, {0}", status);
    failure(status, "new MessageFormat");
    UnicodeString forParsing("x, y, z");
    //Object[] objs = mf.parse(forParsing, new ParsePosition(0));
    int32_t count = 0;
    ParsePosition pp(0);
    Formattable *objs = mf->parse(forParsing, pp, count);
    UnicodeString pat;
    logln("pattern: \"" + mf->toPattern(pat) + "\"");
    logln("text for parsing: \"" + forParsing + "\"");
    UnicodeString str;
    if (objs[0].getString(str) != "z")
        errln("argument0: \"" + objs[0].getString(str) + "\"");
    mf->applyPattern("{0,number,#.##}, {0,number,#.#}", status);
    failure(status, "mf->applyPattern", possibleDataError);
    //Object[] oldobjs = {new Double(3.1415)};
    Formattable oldobjs [] = {Formattable(3.1415)};
    UnicodeString result;
    FieldPosition pos(FieldPosition::DONT_CARE);
    result = mf->format( oldobjs, 1, result, pos, status );
    failure(status, "mf->format", possibleDataError);
    pat.remove();
    logln("pattern: \"" + mf->toPattern(pat) + "\"");
    logln("text for parsing: \"" + result + "\"");
    // result now equals "3.14, 3.1"
    if (result != "3.14, 3.1")
        dataerrln("result = " + result + " - " + u_errorName(status));
    //Object[] newobjs = mf.parse(result, new ParsePosition(0));
    int32_t count1 = 0;
    pp.setIndex(0);
    Formattable *newobjs = mf->parse(result, pp, count1);
    // newobjs now equals {new Double(3.1)}
    if (newobjs == NULL) {
        dataerrln("Error calling MessageFormat::parse");
    } else {
        if (newobjs[0].getDouble() != 3.1)
            errln( UnicodeString("newobjs[0] = ") + newobjs[0].getDouble());
    }

    delete [] objs;
    delete [] newobjs;
    delete mf;
}

void MessageFormatRegressionTest::Test4052223()
{

    ParsePosition pos(0);
    if (pos.getErrorIndex() != -1) {
        errln("ParsePosition.getErrorIndex initialization failed.");
    }

    UErrorCode status = U_ZERO_ERROR;
    MessageFormat *fmt = new MessageFormat("There are {0} apples growing on the {1} tree.", status);
    failure(status, "new MessageFormat");
    UnicodeString str("There is one apple growing on the peach tree.");
    
    int32_t count = 0;
    fmt->parse(str, pos, count);

    logln(UnicodeString("unparsable string , should fail at ") + pos.getErrorIndex());
    if (pos.getErrorIndex() == -1)
        errln("Bug 4052223 failed : parsing string " + str);
    pos.setErrorIndex(4);
    if (pos.getErrorIndex() != 4)
        errln(UnicodeString("setErrorIndex failed, got ") + pos.getErrorIndex() + " instead of 4");
    
    ChoiceFormat *f = new ChoiceFormat(
        "-1#are negative|0#are no or fraction|1#is one|1.0<is 1+|2#are two|2<are more than 2.", status);
    failure(status, "new ChoiceFormat");
    pos.setIndex(0); 
    pos.setErrorIndex(-1);
    Formattable obj;
    f->parse("are negative", obj, pos);
    if (pos.getErrorIndex() != -1 && obj.getDouble() == -1.0)
        errln(UnicodeString("Parse with \"are negative\" failed, at ") + pos.getErrorIndex());
    pos.setIndex(0); 
    pos.setErrorIndex(-1);
    f->parse("are no or fraction ", obj, pos);
    if (pos.getErrorIndex() != -1 && obj.getDouble() == 0.0)
        errln(UnicodeString("Parse with \"are no or fraction\" failed, at ") + pos.getErrorIndex());
    pos.setIndex(0); 
    pos.setErrorIndex(-1);
    f->parse("go postal", obj, pos);
    if (pos.getErrorIndex() == -1 && ! uprv_isNaN(obj.getDouble()))
        errln(UnicodeString("Parse with \"go postal\" failed, at ") + pos.getErrorIndex());
    
    delete fmt;
    delete f;
}

void MessageFormatRegressionTest::Test4118592()
{
    UErrorCode status = U_ZERO_ERROR;
    MessageFormat *mf = new MessageFormat("", status);
    failure(status, "new messageFormat");
    UnicodeString pattern("{0,choice,1#YES|2#NO}");
    UnicodeString prefix("");
    Formattable *objs = 0;

    for (int i = 0; i < 5; i++) {
        UnicodeString formatted;
        formatted = prefix + "YES";
        mf->applyPattern(prefix + pattern, status);
        failure(status, "mf->applyPattern");
        prefix += "x";
        //Object[] objs = mf.parse(formatted, new ParsePosition(0));
        int32_t count = 0;
        ParsePosition pp(0);
        objs = mf->parse(formatted, pp, count);
        UnicodeString pat;
        logln(UnicodeString("") + i + ". pattern :\"" + mf->toPattern(pat) + "\"");
        log(" \"" + formatted + "\" parsed as ");
        if (objs == NULL) 
            logln("  null");
        else {
            UnicodeString temp;
            if(objs[0].getType() == Formattable::kString)
                logln((UnicodeString)"  " + objs[0].getString(temp));
            else
                logln((UnicodeString)"  " + (objs[0].getType() == Formattable::kLong ? objs[0].getLong() : objs[0].getDouble()));
            delete[] objs;

        }
    }

    delete mf;
}

void TestMessageFormat::PatternTest() 
{
    Formattable testArgs[] = {
        Formattable(double(1)), Formattable(double(3456)),
            Formattable("Disk"), Formattable(UDate((int32_t)1000000000L), Formattable::kIsDate)
    };
    UnicodeString testCases[] = {
       "Quotes '', '{', 'a' {0} '{0}'",
       "Quotes '', '{', 'a' {0,number} '{0}'",
       "'{'1,number,'#',##} {1,number,'#',##}",
       "There are {1} files on {2} at {3}.",
       "On {2}, there are {1} files, with {0,number,currency}.",
       "'{1,number,percent}', {1,number,percent},",
       "'{1,date,full}', {1,date,full},",
       "'{3,date,full}', {3,date,full},",
       "'{1,number,#,##}' {1,number,#,##}",
    };

    UnicodeString testResultPatterns[] = {
        "Quotes '', '{', a {0} '{'0}",
        "Quotes '', '{', a {0,number} '{'0}",
        "'{'1,number,#,##} {1,number,'#'#,##}",
        "There are {1} files on {2} at {3}.",
        "On {2}, there are {1} files, with {0,number,currency}.",
        "'{'1,number,percent}, {1,number,percent},",
        "'{'1,date,full}, {1,date,full},",
        "'{'3,date,full}, {3,date,full},",
        "'{'1,number,#,##} {1,number,#,##}"
    };

    UnicodeString testResultStrings[] = {
        "Quotes ', {, a 1 {0}",
        "Quotes ', {, a 1 {0}",
        "{1,number,#,##} #34,56",
        "There are 3,456 files on Disk at 1/12/70 5:46 AM.",
        "On Disk, there are 3,456 files, with $1.00.",
        "{1,number,percent}, 345,600%,",
        "{1,date,full}, Wednesday, December 31, 1969,",
        "{3,date,full}, Monday, January 12, 1970,",
        "{1,number,#,##} 34,56"
    };


    for (int32_t i = 0; i < 9; ++i) {
        //it_out << "\nPat in:  " << testCases[i]);

        MessageFormat *form = 0;
        UErrorCode success = U_ZERO_ERROR;
        UnicodeString buffer;
        form = new MessageFormat(testCases[i], Locale::getUS(), success);
        if (U_FAILURE(success)) {
            errln("MessageFormat creation failed.#1");
            logln(((UnicodeString)"MessageFormat for ") + testCases[i] + " creation failed.\n");
            continue;
        }
        if (form->toPattern(buffer) != testResultPatterns[i]) {
            errln(UnicodeString("TestMessageFormat::PatternTest failed test #2, i = ") + i);
            //form->toPattern(buffer);
            errln(((UnicodeString)" Orig: ") + testCases[i]);
            errln(((UnicodeString)" Exp:  ") + testResultPatterns[i]);
            errln(((UnicodeString)" Got:  ") + buffer);
        }

        //it_out << "Pat out: " << form->toPattern(buffer));
        UnicodeString result;
        int32_t count = 4;
        FieldPosition fieldpos(0);
        form->format(testArgs, count, result, fieldpos, success);
        if (U_FAILURE(success)) {
            errln("MessageFormat failed test #3");
            logln("TestMessageFormat::PatternTest failed test #3");
            continue;
        }
        if (result != testResultStrings[i]) {
            errln("TestMessageFormat::PatternTest failed test #4");
            logln("TestMessageFormat::PatternTest failed #4.");
            logln(UnicodeString("    Result: ") + result );
            logln(UnicodeString("  Expected: ") + testResultStrings[i] );
        }
        

        //it_out << "Result:  " << result);
#if 0
        /* TODO: Look at this test and see if this is still a valid test */
        logln("---------------- test parse ----------------");

        form->toPattern(buffer);
        logln("MSG pattern for parse: " + buffer);

        int32_t parseCount = 0;
        Formattable* values = form->parse(result, parseCount, success);
        if (U_FAILURE(success)) {
            errln("MessageFormat failed test #5");
            logln(UnicodeString("MessageFormat failed test #5 with error code ")+(int32_t)success);
        } else if (parseCount != count) {
            errln("MSG count not %d as expected. Got %d", count, parseCount);
        }
        UBool failed = FALSE;
        for (int32_t j = 0; j < parseCount; ++j) {
             if (values == 0 || testArgs[j] != values[j]) {
//.........这里部分代码省略.........

// test RBNF extensions to message format
void TestMessageFormat::TestRBNF(void) {
    // WARNING: this depends on the RBNF formats for en_US
    Locale locale("en", "US", "");

    UErrorCode ec = U_ZERO_ERROR;

    UnicodeString values[] = {
        // decimal values do not format completely for ordinal or duration, and 
        // do not always parse, so do not include them
        "0", "1", "12", "100", "123", "1001", "123,456", "-17",
    };
    int32_t values_count = sizeof(values)/sizeof(values[0]);

    UnicodeString formats[] = {
        "There are {0,spellout} files to search.",
        "There are {0,spellout,%simplified} files to search.",
        "The bogus spellout {0,spellout,%BOGUS} files behaves like the default.",
        "This is the {0,ordinal} file to search.", // TODO fix bug, ordinal does not parse
        "Searching this file will take {0,duration} to complete.",
        "Searching this file will take {0,duration,%with-words} to complete.",
    };
    int32_t formats_count = sizeof(formats)/sizeof(formats[0]);

    Formattable args[1];

    NumberFormat* numFmt = NumberFormat::createInstance(locale, ec);
    if (U_FAILURE(ec)) {
        dataerrln("Error calling NumberFormat::createInstance()");
        return;
    }

    for (int i = 0; i < formats_count; ++i) {
        MessageFormat* fmt = new MessageFormat(formats[i], locale, ec);
        logln((UnicodeString)"Testing format pattern: '" + formats[i] + "'");

        for (int j = 0; j < values_count; ++j) {
            ec = U_ZERO_ERROR;
            numFmt->parse(values[j], args[0], ec);
            if (U_FAILURE(ec)) {
                errln((UnicodeString)"Failed to parse test argument " + values[j]);
            } else {
                FieldPosition fp(0);
                UnicodeString result;
                fmt->format(args, 1, result, fp, ec);
                logln((UnicodeString)"value: " + toString(args[0]) + " --> " + result + UnicodeString(" ec: ") + u_errorName(ec));
               
                if (i != 3) { // TODO: fix this, for now skip ordinal parsing (format string at index 3)
                    int32_t count = 0;
                    Formattable* parseResult = fmt->parse(result, count, ec);
                    if (count != 1) {
                        errln((UnicodeString)"parse returned " + count + " args");
                    } else if (parseResult[0] != args[0]) {
                        errln((UnicodeString)"parsed argument " + toString(parseResult[0]) + " != " + toString(args[0]));
                    }
                    delete []parseResult;
                }
            }
        }
        delete fmt;
    }
    delete numFmt;
}