winrecurrence.cpp

来自「funambol window mobile客户端源代码」· C++ 代码 · 共 440 行 · 第 1/2 页

    if (!token) {
        goto error;
    }


    //
    // First token will be: "D|W|MP|MD|YM|YD<interval>"
    //
    if(token[0] == TEXT('D')) {
        recType = winRecursDaily;
        token ++;
    }
    else if(token[0] == TEXT('W')) {
        recType = winRecursWeekly;
        token ++;
    }
    else if(token[0] == TEXT('M') && token[1] == TEXT('D')) {
        recType = winRecursMonthly;
        token += 2;
    }
    else if(token[0] == TEXT('M') && token[1] == TEXT('P')) {
        recType = winRecursMonthNth;
        token += 2;
    }
    else if(token[0] == TEXT('Y') && token[1] == TEXT('D')) {
        // "YD" Not supported!!
        LOG.info("WinRecurrence::parse - Warning: RecurrenceType 'YD' not supported: \"%ls\"", dataString.c_str());
        goto finally;
    }
    else if(token[0] == TEXT('Y') && token[1] == TEXT('M')) {
        recType = winRecursYearly;
        token += 2;
    }

    interval = _wtoi(token);
    if(!interval || recType == -1) {
        goto error;
    }


    WCHAR* days = new WCHAR[30];
    wcscpy(days, L"");
    WCHAR* mOfYear = new WCHAR[20];
    wcscpy(mOfYear, L"");


    token = wcstok(NULL, seps);
    while (token) {
        //
        // Daily = 0
        //
        if(recType == winRecursDaily) {
            if(wcschr(token, TEXT('#'))) {
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"Interval",      interval);
                occurences = _wtoi(token+1);
                if(occurences == 0)             setIntProperty(L"NoEndDate",   1);
                else                            setIntProperty(L"Occurrences", occurences);
                token ++;
            }
            else if(token[8] == TEXT('T')) {
                setIntProperty(L"RecurrenceType", recType);
                setProperty(L"PatternEndDate",      token);
                setIntProperty(L"Interval",      interval);
            }
        }
        //
        // Weekly = 1
        //
        else if(recType == winRecursWeekly) {
            if(wcschr(token, TEXT('#'))) {
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"Interval",      interval);
                occurences = _wtoi(token+1);
                if(occurences == 0)             setIntProperty(L"NoEndDate",   1);
                else                            setIntProperty(L"Occurrences", occurences);
                if(wcscmp(days, L""))           setIntProperty(L"DayOfWeekMask", stringToDaysOfWeek(days));
                else                            setIntProperty(L"DayOfWeekMask", getWeekDayFromDate(startDate)); 
                token++;
            }
            else if(token[8] == TEXT('T')) {
                setIntProperty(L"RecurrenceType", recType);
                setProperty(L"PatternEndDate",      token);
                setIntProperty(L"Interval",      interval);
                if(wcscmp(days, L""))          setIntProperty(L"DayOfWeekMask", stringToDaysOfWeek(days));
                else                           setIntProperty(L"DayOfWeekMask", getWeekDayFromDate(startDate)); 
            }
            else if(isWeekDay(token)) {
                wcscat(days, token);
                wcscat(days, TEXT(" "));
            }
        }
        //
        // Monthly = 2
        //
        else if(recType == winRecursMonthly) {
            // VCalendar supports as Monthly by day rules: MD<interval> listofdates|listofdates(from end of month) <end tag>
            // On Outlook recurrence pattern only MD<interval> day <end tag> can be represented
            if(wcschr(token, TEXT('#'))) {
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"DayOfMonth",  dayOfMonth);
                setIntProperty(L"Interval",      interval);
                occurences = _wtoi(token+1);
                if(occurences == 0)             setIntProperty(L"NoEndDate",   1);
                else                            setIntProperty(L"Occurrences", occurences);
                token++;
            }
            else if(token[8] == TEXT('T')) {
                setIntProperty(L"RecurrenceType", recType);
                setProperty(L"PatternEndDate",      token);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"DayOfMonth",  dayOfMonth);
            }
            else {
                if(dayOfMonth != -1) {
                    goto error;
                }
                dayOfMonth = _wtoi(token);
                if(dayOfMonth == 0) {
                    goto error;
                }
            }
        }
        //
        // MonthNth = 3
        //
        else if(recType == winRecursMonthNth) {
            if(wcschr(token, TEXT('#'))) {
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"Instance",   weekOfMonth);
                setIntProperty(L"DayOfWeekMask", stringToDaysOfWeek(days));
                occurences = _wtoi(token+1);
                if(occurences == 0)             setIntProperty(L"NoEndDate",   1);
                else                            setIntProperty(L"Occurrences", occurences);
                token++;
            }
            else if(token[8] == TEXT('T')) {
                setIntProperty(L"RecurrenceType", recType);
                setProperty(L"PatternEndDate",      token);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"Instance",   weekOfMonth);
                setIntProperty(L"DayOfWeekMask", stringToDaysOfWeek(days));
            }
            else if(isWeekDay(token)) {
                wcscat(days, token);
                wcscat(days, TEXT(" "));
            }
            else {
                if(token[1] != TEXT('+') && token[1] != TEXT('-')) {
                    goto error;
                }
                WCHAR sWeek[] = TEXT("\0\0");
                sWeek[0] = token[0];
                weekOfMonth = _wtoi(sWeek);
                if(token[1] == TEXT('-')) {
                    // it's the # of weeks to the end of month...
                    weekOfMonth = 5 - weekOfMonth;
                }
                if(weekOfMonth > 5 || weekOfMonth < 1) {
                    goto error;
                }
            }
        }
        //
        // Yearly = 5
        //
        else if(recType == winRecursYearly) {
            // Expected sequence will be YM1 month <end tag>
            if(wcschr(token, TEXT('#'))) {
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"MonthOfYear",monthOfYear);
                setIntProperty(L"DayOfMonth",  dayOfMonth);
                occurences = _wtoi(token+1);
                if(occurences == 0)             setIntProperty(L"NoEndDate",   1);
                else                            setIntProperty(L"Occurrences", occurences);
                token++;
            }
            else if(token[8] == TEXT('T')) {
                setIntProperty(L"RecurrenceType", recType);
                setProperty(L"PatternEndDate",      token);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"MonthOfYear",monthOfYear);
                setIntProperty(L"DayOfMonth",  dayOfMonth);
            }
            else {
                if(wcscmp(mOfYear, L"")) {
                    goto error;
                }
                wcscat(mOfYear, token);
                monthOfYear = _wtoi(mOfYear);
                SYSTEMTIME st;
                VariantTimeToSystemTime(startDate, &st);
                dayOfMonth = st.wDay;
                setIntProperty(L"RecurrenceType", recType);
                setIntProperty(L"Interval",      interval);
                setIntProperty(L"MonthOfYear",monthOfYear);
                setIntProperty(L"DayOfMonth",  dayOfMonth);
            }
        }
        token = wcstok(NULL, seps);
    }

    ret = 0;
    goto finally;

error:
    LOG.error("WinRecurrence::parse error, bad RRULE format: %ls", dataString.c_str());
    ret = 1;
    goto finally;

finally:
    if (str)     delete [] str;
    if (days)    delete [] days;
    if (mOfYear) delete [] mOfYear;
    return ret;
}