XMLDateTime.cpp
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上传日期:2007-01-10
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文件大小:36k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: XMLDateTime.cpp,v 1.4 2001/11/14 22:04:03 peiyongz Exp $
- * $Log: XMLDateTime.cpp,v $
- * Revision 1.4 2001/11/14 22:04:03 peiyongz
- * Patch to apply check on Year and more rigorous on other fields as well.
- *
- * Revision 1.3 2001/11/12 20:36:54 peiyongz
- * SchemaDateTimeException defined
- *
- * Revision 1.2 2001/11/09 20:41:45 peiyongz
- * Fix: compilation error on Solaris and AIX.
- *
- * Revision 1.1 2001/11/07 19:16:03 peiyongz
- * DateTime Port
- *
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <stdlib.h>
- #include <util/XMLDateTime.hpp>
- #include <util/XMLString.hpp>
- #include <util/XMLUni.hpp>
- #include <util/Janitor.hpp>
- //
- // constants used to process raw data (fBuffer)
- //
- // [-]{CCYY-MM-DD}'T'{HH:MM:SS.MS}['Z']
- // [{+|-}hh:mm']
- //
- static const XMLCh DURATION_STARTER = chLatin_P; // 'P'
- static const XMLCh DURATION_Y = chLatin_Y; // 'Y'
- static const XMLCh DURATION_M = chLatin_M; // 'M'
- static const XMLCh DURATION_D = chLatin_D; // 'D'
- static const XMLCh DURATION_H = chLatin_H; // 'H'
- static const XMLCh DURATION_S = chLatin_S; // 'S'
- static const XMLCh DATE_SEPARATOR = chDash; // '-'
- static const XMLCh TIME_SEPARATOR = chColon; // ':'
- static const XMLCh TIMEZONE_SEPARATOR = chColon; // ':'
- static const XMLCh DATETIME_SEPARATOR = chLatin_T; // 'T'
- static const XMLCh MILISECOND_SEPARATOR = chPeriod; // '.'
- static const XMLCh UTC_STD_CHAR = chLatin_Z; // 'Z'
- static const XMLCh UTC_POS_CHAR = chPlus; // '+'
- static const XMLCh UTC_NEG_CHAR = chDash; // '-'
- static const XMLCh UTC_SET[] = {UTC_STD_CHAR //"Z+-"
- , UTC_POS_CHAR
- , UTC_NEG_CHAR
- , chNull};
- static const int YMD_MIN_SIZE = 10; // CCYY-MM-DD
- static const int YMONTH_MIN_SIZE = 7; // CCYY_MM
- static const int TIME_MIN_SIZE = 8; // hh:mm:ss
- static const int TIMEZONE_SIZE = 5; // hh:mm
- static const int DAY_SIZE = 5; // ---DD
- static const int MONTH_SIZE = 6; // --MM--
- static const int MONTHDAY_SIZE = 7; // --MM-DD
- static const int NOT_FOUND = -1;
- //define constants to be used in assigning default values for
- //all date/time excluding duration
- static const int YEAR_DEFAULT = 2000;
- static const int MONTH_DEFAULT = 01;
- static const int DAY_DEFAULT = 15;
- // order-relation on duration is a partial order. The dates below are used to
- // for comparison of 2 durations, based on the fact that
- // duration x and y is x<=y iff s+x<=s+y
- // see 3.2.6 duration W3C schema datatype specs
- //
- // the dates are in format: {CCYY,MM,DD, H, S, M, MS, timezone}
- static const int DATETIMES[][XMLDateTime::TOTAL_SIZE] =
- {
- {1696, 9, 1, 0, 0, 0, 0, XMLDateTime::UTC_STD},
- {1697, 2, 1, 0, 0, 0, 0, XMLDateTime::UTC_STD},
- {1903, 3, 1, 0, 0, 0, 0, XMLDateTime::UTC_STD},
- {1903, 7, 1, 0, 0, 0, 0, XMLDateTime::UTC_STD}
- };
- // ---------------------------------------------------------------------------
- // local methods
- // ---------------------------------------------------------------------------
- static inline int fQuotient(int a, int b)
- {
- div_t div_result = div(a, b);
- return div_result.quot;
- }
- static inline int fQuotient(int temp, int low, int high)
- {
- return fQuotient(temp - low, high - low);
- }
- static inline int mod(int a, int b, int quotient)
- {
- return (a - quotient*b) ;
- }
- static inline int modulo (int temp, int low, int high)
- {
- //modulo(a - low, high - low) + low
- int a = temp - low;
- int b = high - low;
- return (mod (a, b, fQuotient(a, b)) + low) ;
- }
- static inline bool isLeapYear(int year)
- {
- return((year%4 == 0) && ((year%100 != 0) || (year%400 == 0)));
- }
- static int maxDayInMonthFor(int year, int month)
- {
- if ( month == 4 || month == 6 || month == 9 || month == 11 )
- {
- return 30;
- }
- else if ( month==2 )
- {
- if ( isLeapYear(year) )
- return 29;
- else
- return 28;
- }
- else
- {
- return 31;
- }
- }
- // ---------------------------------------------------------------------------
- // static methods : for duration
- // ---------------------------------------------------------------------------
- /**
- * Compares 2 given durations. (refer to W3C Schema Datatypes "3.2.6 duration")
- *
- * 3.2.6.2 Order relation on duration
- *
- * In general, the order-relation on duration is a partial order since there is no
- * determinate relationship between certain durations such as one month (P1M) and 30 days (P30D).
- * The order-relation of two duration values x and y is x < y iff s+x < s+y for each qualified
- * dateTime s in the list below.
- *
- * These values for s cause the greatest deviations in the addition of dateTimes and durations
- *
- **/
- int XMLDateTime::compare(const XMLDateTime* const pDate1
- , const XMLDateTime* const pDate2
- , bool strict)
- {
- //REVISIT: this is unoptimazed vs of comparing 2 durations
- // Algorithm is described in 3.2.6.2 W3C Schema Datatype specs
- //
- int resultA, resultB = INDETERMINATE;
- //try and see if the objects are equal
- if ( (resultA = compareOrder(pDate1, pDate2)) == EQUAL)
- return EQUAL;
- //long comparison algorithm is required
- XMLDateTime tempA, *pTempA = &tempA;
- XMLDateTime tempB, *pTempB = &tempB;
- addDuration(pTempA, pDate1, 0);
- addDuration(pTempB, pDate2, 0);
- resultA = compareOrder(pTempA, pTempB);
- if ( resultA == INDETERMINATE )
- return INDETERMINATE;
- addDuration(pTempA, pDate1, 1);
- addDuration(pTempB, pDate2, 1);
- resultB = compareOrder(pTempA, pTempB);
- resultA = compareResult(resultA, resultB, strict);
- if ( resultA == INDETERMINATE )
- return INDETERMINATE;
- addDuration(pTempA, pDate1, 2);
- addDuration(pTempB, pDate2, 2);
- resultB = compareOrder(pTempA, pTempB);
- resultA = compareResult(resultA, resultB, strict);
- if ( resultA == INDETERMINATE )
- return INDETERMINATE;
- addDuration(pTempA, pDate1, 3);
- addDuration(pTempB, pDate2, 3);
- resultB = compareOrder(pTempA, pTempB);
- resultA = compareResult(resultA, resultB, strict);
- return resultA;
- }
- //
- // Form a new XMLDateTime with duration and baseDate array
- // Note: C++ Java
- // fNewDate duration
- // fDuration date
- //
- void XMLDateTime::addDuration(XMLDateTime* fNewDate
- , const XMLDateTime* const fDuration
- , int index)
- {
- //REVISIT: some code could be shared between normalize() and this method,
- // however is it worth moving it? The structures are different...
- //
- fNewDate->reset();
- //add months (may be modified additionaly below)
- int temp = DATETIMES[index][Month] + fDuration->fValue[Month];
- fNewDate->fValue[Month] = modulo(temp, 1, 13);
- int carry = fQuotient(temp, 1, 13);
- //add years (may be modified additionaly below)
- fNewDate->fValue[CentYear] = DATETIMES[index][CentYear] + fDuration->fValue[CentYear] + carry;
- //add seconds
- temp = DATETIMES[index][Second] + fDuration->fValue[Second];
- carry = fQuotient (temp, 60);
- fNewDate->fValue[Second] = mod(temp, 60, carry);
- //add minutes
- temp = DATETIMES[index][Minute] + fDuration->fValue[Minute] + carry;
- carry = fQuotient(temp, 60);
- fNewDate->fValue[Minute] = mod(temp, 60, carry);
- //add hours
- temp = DATETIMES[index][Hour] + fDuration->fValue[Hour] + carry;
- carry = fQuotient(temp, 24);
- fNewDate->fValue[Hour] = mod(temp, 24, carry);
- fNewDate->fValue[Day] = DATETIMES[index][Day] + fDuration->fValue[Day] + carry;
- while ( true )
- {
- temp = maxDayInMonthFor(fNewDate->fValue[CentYear], fNewDate->fValue[Month]);
- if ( fNewDate->fValue[Day] < 1 )
- { //original fNewDate was negative
- fNewDate->fValue[Day] += maxDayInMonthFor(fNewDate->fValue[CentYear], fNewDate->fValue[Month]-1);
- carry = -1;
- }
- else if ( fNewDate->fValue[Day] > temp )
- {
- fNewDate->fValue[Day] -= temp;
- carry = 1;
- }
- else
- {
- break;
- }
- temp = fNewDate->fValue[Month] + carry;
- fNewDate->fValue[Month] = modulo(temp, 1, 13);
- fNewDate->fValue[CentYear] += fQuotient(temp, 1, 13);
- }
- //fNewDate->fValue[utc] = UTC_STD_CHAR;
- fNewDate->fValue[utc] = UTC_STD;
- }
- int XMLDateTime::compareResult(short resultA
- , short resultB
- , bool strict)
- {
- if ( resultB == INDETERMINATE )
- {
- return INDETERMINATE;
- }
- else if ( (resultA != resultB) &&
- strict )
- {
- return INDETERMINATE;
- }
- else if ( (resultA != resultB) &&
- !strict )
- {
- if ( (resultA != EQUAL) &&
- (resultB != EQUAL) )
- {
- return INDETERMINATE;
- }
- else
- {
- return (resultA != EQUAL)? resultA : resultB;
- }
- }
- return resultA;
- }
- // ---------------------------------------------------------------------------
- // static methods : for others
- // ---------------------------------------------------------------------------
- int XMLDateTime::compare(const XMLDateTime* const pDate1
- , const XMLDateTime* const pDate2)
- {
- if (pDate1->fValue[utc] == pDate2->fValue[utc])
- {
- return XMLDateTime::compareOrder(pDate1, pDate2);
- }
- short c1, c2;
- if ( pDate1->isNormalized())
- {
- c1 = compareResult(pDate1, pDate2, false, UTC_POS);
- c2 = compareResult(pDate1, pDate2, false, UTC_NEG);
- return getRetVal(c1, c2);
- }
- else if ( pDate2->isNormalized())
- {
- c1 = compareResult(pDate1, pDate2, true, UTC_POS);
- c2 = compareResult(pDate1, pDate2, true, UTC_NEG);
- return getRetVal(c1, c2);
- }
- return INDETERMINATE;
- }
- int XMLDateTime::compareResult(const XMLDateTime* const pDate1
- , const XMLDateTime* const pDate2
- , bool set2Left
- , int utc_type)
- {
- XMLDateTime tmpDate = (set2Left ? *pDate1 : *pDate2);
- tmpDate.fTimeZone[hh] = 14;
- tmpDate.fTimeZone[mm] = 0;
- tmpDate.fValue[utc] = utc_type;
- tmpDate.normalize();
- return (set2Left? XMLDateTime::compareOrder(&tmpDate, pDate2) :
- XMLDateTime::compareOrder(pDate1, &tmpDate));
- }
- int XMLDateTime::compareOrder(const XMLDateTime* const lValue
- , const XMLDateTime* const rValue)
- {
- //
- // If any of the them is not normalized() yet,
- // we need to do something here.
- //
- XMLDateTime lTemp = *lValue;
- XMLDateTime rTemp = *rValue;
- lTemp.normalize();
- rTemp.normalize();
- for ( int i = 0 ; i < TOTAL_SIZE; i++ )
- {
- if ( lTemp.fValue[i] < rTemp.fValue[i] )
- {
- return LESS_THAN;
- }
- else if ( lTemp.fValue[i] > rTemp.fValue[i] )
- {
- return GREATER_THAN;
- }
- }
- return EQUAL;
- }
- // ---------------------------------------------------------------------------
- // ctor and dtor
- // ---------------------------------------------------------------------------
- XMLDateTime::~XMLDateTime()
- {
- if (fBuffer)
- delete[] fBuffer;
- }
- XMLDateTime::XMLDateTime()
- :fBuffer(0)
- {
- reset();
- }
- XMLDateTime::XMLDateTime(const XMLCh* const aString)
- :fBuffer(0)
- {
- setBuffer(aString);
- }
- // -----------------------------------------------------------------------
- // Copy ctor and Assignment operators
- // -----------------------------------------------------------------------
- XMLDateTime::XMLDateTime(const XMLDateTime &toCopy)
- :fBuffer(0)
- {
- copy(toCopy);
- }
- XMLDateTime& XMLDateTime::operator=(const XMLDateTime& rhs)
- {
- if (this == &rhs)
- return *this;
- copy(rhs);
- return *this;
- }
- // -----------------------------------------------------------------------
- // Implementation of Abstract Interface
- // -----------------------------------------------------------------------
- //
- // We may simply return the handle to fBuffer, but
- // for the sake of consistency, we return a duplicated copy
- // and the caller is responsible for the release of the buffer
- // just like any other things in the XMLNumber family.
- //
- XMLCh* XMLDateTime::toString() const
- {
- assertBuffer();
- XMLCh* retBuf = XMLString::replicate(fBuffer);
- return retBuf;
- }
- int XMLDateTime::getSign() const
- {
- return 0;
- }
- // ---------------------------------------------------------------------------
- // Parsers
- // ---------------------------------------------------------------------------
- //
- // [-]{CCYY-MM-DD}'T'{HH:MM:SS.MS}[TimeZone]
- //
- void XMLDateTime::parseDateTime()
- {
- initParser();
- getDate();
- //fStart is supposed to point to 'T'
- if (fBuffer[fStart++] != DATETIME_SEPARATOR)
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dt_missingT
- , fBuffer);
- getTime();
- validateDateTime();
- normalize();
- }
- //
- // [-]{CCYY-MM-DD}[TimeZone]
- //
- void XMLDateTime::parseDate()
- {
- initParser();
- getDate();
- parseTimeZone();
- validateDateTime();
- normalize();
- }
- void XMLDateTime::parseTime()
- {
- initParser();
- // time initialize to default values
- fValue[CentYear]= YEAR_DEFAULT;
- fValue[Month] = MONTH_DEFAULT;
- fValue[Day] = DAY_DEFAULT;
- getTime();
- validateDateTime();
- normalize();
- }
- //
- // {---DD}[TimeZone]
- // 01234
- //
- void XMLDateTime::parseDay()
- {
- initParser();
- if (fBuffer[0] != DATE_SEPARATOR ||
- fBuffer[1] != DATE_SEPARATOR ||
- fBuffer[2] != DATE_SEPARATOR )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gDay_invalid
- , fBuffer);
- }
- //initialize values
- fValue[CentYear] = YEAR_DEFAULT;
- fValue[Month] = MONTH_DEFAULT;
- fValue[Day] = parseInt(fStart+3, fStart+5);
- if ( DAY_SIZE < fEnd )
- {
- int sign = findUTCSign(DAY_SIZE);
- if ( sign < 0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gDay_invalid
- , fBuffer);
- }
- else
- {
- getTimeZone(sign);
- }
- }
- validateDateTime();
- normalize();
- }
- //
- // {--MM--}[TimeZone]
- // 012345
- //
- void XMLDateTime::parseMonth()
- {
- initParser();
- if (fBuffer[0] != DATE_SEPARATOR ||
- fBuffer[1] != DATE_SEPARATOR ||
- fBuffer[4] != DATE_SEPARATOR ||
- fBuffer[5] != DATE_SEPARATOR )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gMth_invalid
- , fBuffer);
- }
- //set constants
- fValue[CentYear] = YEAR_DEFAULT;
- fValue[Day] = DAY_DEFAULT;
- fValue[Month] = parseInt(2, 4);
- if ( MONTH_SIZE < fEnd )
- {
- int sign = findUTCSign(MONTH_SIZE);
- if ( sign < 0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gMth_invalid
- , fBuffer);
- }
- else
- {
- getTimeZone(sign);
- }
- }
- validateDateTime();
- normalize();
- }
- //
- //[-]{CCYY}[TimeZone]
- // 0 1234
- //
- void XMLDateTime::parseYear()
- {
- initParser();
- // skip the first '-' and search for timezone
- //
- int sign = findUTCSign((fBuffer[0] == chDash) ? 1 : 0);
- if (sign == NOT_FOUND)
- {
- fValue[CentYear] = parseIntYear(fEnd);
- }
- else
- {
- fValue[CentYear] = parseIntYear(sign);
- getTimeZone(sign);
- }
- //initialize values
- fValue[Month] = MONTH_DEFAULT;
- fValue[Day] = DAY_DEFAULT; //java is 1
- validateDateTime();
- normalize();
- }
- //
- //{--MM-DD}[TimeZone]
- // 0123456
- //
- void XMLDateTime::parseMonthDay()
- {
- initParser();
- if (fBuffer[0] != DATE_SEPARATOR ||
- fBuffer[1] != DATE_SEPARATOR ||
- fBuffer[4] != DATE_SEPARATOR )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gMthDay_invalid
- , fBuffer);
- }
- //initialize
- fValue[CentYear] = YEAR_DEFAULT;
- fValue[Month] = parseInt(2, 4);
- fValue[Day] = parseInt(5, 7);
- if ( MONTHDAY_SIZE < fEnd )
- {
- int sign = findUTCSign(MONTHDAY_SIZE);
- if ( sign<0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_gMthDay_invalid
- , fBuffer);
- }
- else
- {
- getTimeZone(sign);
- }
- }
- validateDateTime();
- normalize();
- }
- void XMLDateTime::parseYearMonth()
- {
- initParser();
- // get date
- getYearMonth();
- fValue[Day] = DAY_DEFAULT;
- parseTimeZone();
- validateDateTime();
- normalize();
- }
- //
- //PnYn MnDTnH nMnS: -P1Y2M3DT10H30M
- //
- // [-]{'P'{[n'Y'][n'M'][n'D']['T'][n'H'][n'M'][n'S']}}
- //
- // Note: the n above shall be >= 0
- // if no time element found, 'T' shall be absent
- //
- void XMLDateTime::parseDuration()
- {
- initParser();
- // must start with '-' or 'P'
- //
- XMLCh c = fBuffer[fStart++];
- if ( (c != DURATION_STARTER) &&
- (c != chDash) )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_Start_dashP
- , fBuffer);
- }
- // 'P' must ALWAYS be present in either case
- if ( (c == chDash) &&
- (fBuffer[fStart++]!= DURATION_STARTER ))
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_noP
- , fBuffer);
- }
- // java code
- //date[utc]=(c=='-')?'-':0;
- //fValue[utc] = UTC_STD;
- fValue[utc] = (fBuffer[0] == chDash? UTC_NEG : UTC_STD);
- int negate = ( fBuffer[0] == chDash ? -1 : 1);
- //
- // No negative value is allowed after 'P'
- //
- // eg P-1234, invalid
- //
- if (indexOf(fStart, fEnd, chDash) != NOT_FOUND)
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_DashNotFirst
- , fBuffer);
- }
- //at least one number and designator must be seen after P
- bool designator = false;
- int endDate = indexOf(fStart, fEnd, DATETIME_SEPARATOR);
- if ( endDate == NOT_FOUND )
- {
- endDate = fEnd; // 'T' absent
- }
- //find 'Y'
- int end = indexOf(fStart, endDate, DURATION_Y);
- if ( end != NOT_FOUND )
- {
- //scan year
- fValue[CentYear] = negate * parseInt(fStart, end);
- fStart = end+1;
- designator = true;
- }
- end = indexOf(fStart, endDate, DURATION_M);
- if ( end != NOT_FOUND )
- {
- //scan month
- fValue[Month] = negate * parseInt(fStart, end);
- fStart = end+1;
- designator = true;
- }
- end = indexOf(fStart, endDate, DURATION_D);
- if ( end != NOT_FOUND )
- {
- //scan day
- fValue[Day] = negate * parseInt(fStart,end);
- fStart = end+1;
- designator = true;
- }
- if ( (fEnd == endDate) && // 'T' absent
- (fStart != fEnd) ) // something after Day
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_inv_b4T
- , fBuffer);
- }
- if ( fEnd != endDate ) // 'T' present
- {
- //scan hours, minutes, seconds
- //
- // skip 'T' first
- end = indexOf(++fStart, fEnd, DURATION_H);
- if ( end != NOT_FOUND )
- {
- //scan hours
- fValue[Hour] = negate * parseInt(fStart, end);
- fStart = end+1;
- designator = true;
- }
- end = indexOf(fStart, fEnd, DURATION_M);
- if ( end != NOT_FOUND )
- {
- //scan min
- fValue[Minute] = negate * parseInt(fStart, end);
- fStart = end+1;
- designator = true;
- }
- end = indexOf(fStart, fEnd, DURATION_S);
- if ( end != NOT_FOUND )
- {
- //scan seconds
- int mlsec = indexOf (fStart, end, MILISECOND_SEPARATOR);
- if ( mlsec != NOT_FOUND )
- {
- fValue[Second] = negate * parseInt(fStart, mlsec);
- fValue[MiliSecond] = negate * parseInt(mlsec+1, end);
- }
- else
- {
- fValue[Second] = negate * parseInt(fStart,end);
- }
- fStart = end+1;
- designator = true;
- }
- // no additional data should appear after last item
- // P1Y1M1DT is illigal value as well
- if ( (fStart != fEnd) ||
- fBuffer[--fStart] == DATETIME_SEPARATOR )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_NoTimeAfterT
- ,fBuffer);
- }
- }
- if ( !designator )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_dur_NoElementAtAll
- , fBuffer);
- }
- }
- // ---------------------------------------------------------------------------
- // Scanners
- // ---------------------------------------------------------------------------
- //
- // [-]{CCYY-MM-DD}
- //
- // Note: CCYY could be more than 4 digits
- // Assuming fStart point to the beginning of the Date Section
- // fStart updated to point to the position right AFTER the second 'D'
- // Since the lenght of CCYY might be variable, we can't check format upfront
- //
- void XMLDateTime::getDate()
- {
- // Ensure enough chars in buffer
- if ( (fStart+YMD_MIN_SIZE) > fEnd)
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_date_incomplete
- , fBuffer);
- getYearMonth(); // Scan YearMonth and
- // fStart point to the next '-'
- if (fBuffer[fStart++] != DATE_SEPARATOR)
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_date_invalid
- , fBuffer);
- //("CCYY-MM must be followed by '-' sign");
- }
- fValue[Day] = parseInt(fStart, fStart+2);
- fStart += 2 ; //fStart points right after the Day
- return;
- }
- //
- // hh:mm:ss[.msssss]['Z']
- // hh:mm:ss[.msssss][['+'|'-']hh:mm]
- // 012345678
- //
- // Note: Assuming fStart point to the beginning of the Time Section
- // fStart updated to point to the position right AFTER the second 's'
- // or ms if any
- //
- void XMLDateTime::getTime()
- {
- // Ensure enough chars in buffer
- if ( (fStart+TIME_MIN_SIZE) > fEnd)
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_time_incomplete
- , fBuffer);
- //"Imcomplete Time Format"
- // check (fixed) format first
- if ((fBuffer[fStart + 2] != TIME_SEPARATOR) ||
- (fBuffer[fStart + 5] != TIME_SEPARATOR) )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_time_invalid
- , fBuffer);
- //("Error in parsing time" );
- }
- //
- // get hours, minute and second
- //
- fValue[Hour] = parseInt(fStart + 0, fStart + 2);
- fValue[Minute] = parseInt(fStart + 3, fStart + 5);
- fValue[Second] = parseInt(fStart + 6, fStart + 8);
- fStart += 8;
- // to see if any ms and/or utc part after that
- if (fStart >= fEnd)
- return;
- //find UTC sign if any
- int sign = findUTCSign(fStart);
- //parse miliseconds
- int milisec = (fBuffer[fStart] == MILISECOND_SEPARATOR)? fStart : NOT_FOUND;
- if ( milisec != NOT_FOUND )
- {
- fStart++; // skip the '.'
- // make sure we have some thing between the '.' and fEnd
- if (fStart >= fEnd)
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_ms_noDigit
- , fBuffer);
- //("ms shall be present once '.' is present" );
- }
- if ( sign == NOT_FOUND )
- {
- fValue[MiliSecond] = parseInt(fStart, fEnd); //get ms between '.' and fEnd
- fStart = fEnd;
- }
- else
- {
- fValue[MiliSecond] = parseInt(fStart, sign); //get ms between UTC sign and fEnd
- }
- }
- //parse UTC time zone (hh:mm)
- if ( sign > 0 ) {
- getTimeZone(sign);
- }
- }
- //
- // [-]{CCYY-MM}
- //
- // Note: CCYY could be more than 4 digits
- // fStart updated to point AFTER the second 'M' (probably meet the fEnd)
- //
- void XMLDateTime::getYearMonth()
- {
- // Ensure enough chars in buffer
- if ( (fStart+YMONTH_MIN_SIZE) > fEnd)
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_ym_incomplete
- , fBuffer);
- //"Imcomplete YearMonth Format";
- // skip the first leading '-'
- int start = ( fBuffer[0] == chDash ) ? fStart + 1 : fStart;
- //
- // search for year separator '-'
- //
- int yearSeparator = indexOf(start, fEnd, DATE_SEPARATOR);
- if ( yearSeparator == NOT_FOUND)
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_ym_invalid
- , fBuffer);
- //("Year separator is missing or misplaced");
- fValue[CentYear] = parseIntYear(yearSeparator);
- fStart = yearSeparator + 1; //skip the '-' and point to the first M
- //
- //gonna check we have enough byte for month
- //
- if ((fStart + 2) > fEnd )
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_ym_noMonth
- , fBuffer);
- //"no month in buffer"
- fValue[Month] = parseInt(fStart, yearSeparator + 3);
- fStart += 2; //fStart points right after the MONTH
- return;
- }
- void XMLDateTime::parseTimeZone()
- {
- if ( fStart < fEnd )
- {
- int sign = findUTCSign(fStart);
- if ( sign < 0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_tz_noUTCsign
- , fBuffer);
- //("Error in month parsing");
- }
- else
- {
- getTimeZone(sign);
- }
- }
- return;
- }
- //
- // 'Z'
- // ['+'|'-']hh:mm
- //
- // Note: Assuming fStart points to the beginning of TimeZone section
- // fStart updated to meet fEnd
- //
- void XMLDateTime::getTimeZone(const int sign)
- {
- if ( fBuffer[sign] == UTC_STD_CHAR )
- {
- if ((sign + 1) != fEnd )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_tz_stuffAfterZ
- , fBuffer);
- //"Error in parsing time zone");
- }
- return;
- }
- //
- // otherwise, it has to be this format
- // '[+|-]'hh:mm
- // 1 23456 7
- // sign fEnd
- //
- if ( ( ( sign + TIMEZONE_SIZE + 1) != fEnd ) ||
- ( fBuffer[sign + 3] != TIMEZONE_SEPARATOR ) )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_tz_invalid
- , fBuffer);
- //("Error in parsing time zone");
- }
- fTimeZone[hh] = parseInt(sign+1, sign+3);
- fTimeZone[mm] = parseInt(sign+4, fEnd);
- return;
- }
- // ---------------------------------------------------------------------------
- // Validator and normalizer
- // ---------------------------------------------------------------------------
- /**
- * If timezone present - normalize dateTime [E Adding durations to dateTimes]
- *
- * @param date CCYY-MM-DDThh:mm:ss+03
- * @return CCYY-MM-DDThh:mm:ssZ
- */
- void XMLDateTime::normalize()
- {
- if ((fValue[utc] == UTC_UNKNOWN) ||
- (fValue[utc] == UTC_STD) )
- return;
- int negate = (fValue[utc] == UTC_POS)? -1: 1;
- // add mins
- int temp = fValue[Minute] + negate * fTimeZone[mm];
- int carry = fQuotient(temp, 60);
- fValue[Minute] = mod(temp, 60, carry);
- //add hours
- temp = fValue[Hour] + negate * fTimeZone[hh] + carry;
- carry = fQuotient(temp, 24);
- fValue[Hour] = mod(temp, 24, carry);
- fValue[Day] += carry;
- while (1)
- {
- temp = maxDayInMonthFor(fValue[CentYear], fValue[Month]);
- if (fValue[Day] < 1)
- {
- fValue[Day] += maxDayInMonthFor(fValue[CentYear], fValue[Month] - 1);
- carry = -1;
- }
- else if ( fValue[Day] > temp )
- {
- fValue[Day] -= temp;
- carry = 1;
- }
- else
- {
- break;
- }
- temp = fValue[Month] + carry;
- fValue[Month] = modulo(temp, 1, 13);
- fValue[CentYear] += fQuotient(temp, 1, 13);
- }
- // set to normalized
- fValue[utc] = UTC_STD;
- return;
- }
- void XMLDateTime::validateDateTime() const
- {
- //REVISIT: should we throw an exception for not valid dates
- // or reporting an error message should be sufficient?
- if ( fValue[CentYear] == 0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_year_zero
- , fBuffer);
- //"The year "0000" is an illegal year value");
- }
- if ( fValue[Month] < 1 ||
- fValue[Month] > 12 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_mth_invalid
- , fBuffer);
- //"The month must have values 1 to 12");
- }
- //validate days
- if ( fValue[Day] > maxDayInMonthFor( fValue[CentYear], fValue[Month]) ||
- fValue[Day] == 0 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_day_invalid
- , fBuffer);
- //"The day must have values 1 to 31");
- }
- //validate hours
- if ((fValue[Hour] < 0) ||
- (fValue[Hour] > 23) ||
- ((fValue[Hour] == 24) && ((fValue[Minute] !=0) ||
- (fValue[Second] !=0) ||
- (fValue[MiliSecond] !=0))))
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_hour_invalid
- , fBuffer);
- //("Hour must have values 0-23");
- }
- //validate minutes
- if ( fValue[Minute] < 0 ||
- fValue[Minute] > 59 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_min_invalid
- , fBuffer);
- //"Minute must have values 0-59");
- }
- //validate seconds
- if ( fValue[Second] < 0 ||
- fValue[Second] > 60 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_second_invalid
- , fBuffer);
- //"Second must have values 0-60");
- }
- //validate time-zone hours
- if ( (abs(fTimeZone[hh]) > 14) ||
- ((abs(fTimeZone[hh]) == 14) && (fTimeZone[mm] != 0)) )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_tz_hh_invalid
- , fBuffer);
- //"Time zone should have range -14..+14");
- }
- //validate time-zone minutes
- if ( abs(fTimeZone[mm]) > 59 )
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_min_invalid
- , fBuffer);
- //("Minute must have values 0-59");
- }
- return;
- }
- // -----------------------------------------------------------------------
- // locator and converter
- // -----------------------------------------------------------------------
- int XMLDateTime::indexOf(const int start, const int end, const XMLCh ch) const
- {
- for ( int i = start; i < end; i++ )
- if ( fBuffer[i] == ch )
- return i;
- return NOT_FOUND;
- }
- int XMLDateTime::findUTCSign (const int start)
- {
- int pos;
- for ( int index = start; index < fEnd; index++ )
- {
- pos = XMLString::indexOf(UTC_SET, fBuffer[index]);
- if ( pos != NOT_FOUND)
- {
- fValue[utc] = pos+1; // refer to utcType, there is 1 diff
- return index;
- }
- }
- return NOT_FOUND;
- }
- //
- // Note:
- // start: starting point in fBuffer
- // end: ending point in fBuffer (exclusive)
- // fStart NOT updated
- //
- int XMLDateTime::parseInt(const int start, const int end) const
- {
- XMLCh* strToScan = new XMLCh[end - start + 1];
- ArrayJanitor<XMLCh> jname(strToScan);
- XMLString::subString(strToScan, fBuffer, start, end);
- unsigned int retVal;
- XMLString::textToBin(strToScan, retVal);
- return (int) retVal;
- }
- //
- // [-]CCYY
- //
- // Note: start from fStart
- // end (exclusive)
- // fStart NOT updated
- //
- int XMLDateTime::parseIntYear(const int end) const
- {
- // skip the first leading '-'
- int start = ( fBuffer[0] == chDash ) ? fStart + 1 : fStart;
- int length = end - start;
- if (length < 4)
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_year_tooShort
- , fBuffer);
- //"Year must have 'CCYY' format");
- }
- else if (length > 4 &&
- fBuffer[start] == chDigit_0)
- {
- ThrowXML1(SchemaDateTimeException
- , XMLExcepts::DateTime_year_leadingZero
- , fBuffer);
- //"Leading zeros are required if the year value would otherwise have fewer than four digits;
- // otherwise they are forbidden");
- }
- bool negative = (fBuffer[0] == chDash);
- int yearVal = parseInt((negative ? 1 : 0), end);
- return ( negative ? (-1) * yearVal : yearVal );
- }