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/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: SAMLDateTime.h,v 1.1 2005/01/29 00:16:10 cantor Exp $
*/
/*
* This is mostly copied from Xerces-C, but they don't seem inclined to produce a usable
* class, so I had to incorporate my own version of it for now. I can't inherit it
* since the fields I need are private.
*/
#ifndef _XML_DATETIME_H
#define _XML_DATETIME_H
#include <xercesc/util/XMLDateTime.hpp>
namespace saml
{
class SAML_EXPORTS SAMLDateTime
{
public:
SAMLDateTime();
SAMLDateTime(const XMLCh* const);
SAMLDateTime(time_t epoch);
SAMLDateTime(const SAMLDateTime&);
SAMLDateTime& operator=(const SAMLDateTime&);
~SAMLDateTime();
inline void setBuffer(const XMLCh* const);
const XMLCh* getRawData() const;
const XMLCh* getFormattedString() const;
int getSign() const;
XMLCh* getDateTimeCanonicalRepresentation() const;
XMLCh* getTimeCanonicalRepresentation() const;
void parseDateTime();
void parseDate();
void parseTime();
void parseDay();
void parseMonth();
void parseYear();
void parseMonthDay();
void parseYearMonth();
void parseDuration();
static int compare(const SAMLDateTime* const, const SAMLDateTime* const);
static int compare(const SAMLDateTime* const, const SAMLDateTime* const, bool);
static int compareOrder(const SAMLDateTime* const, const SAMLDateTime* const);
int getYear() const {return fValue[CentYear];}
int getMonth() const {return fValue[Month];}
int getDay() const {return fValue[Day];}
int getHour() const {return fValue[Hour];}
int getMinute() const {return fValue[Minute];}
int getSecond() const {return fValue[Second];}
time_t getEpoch() const;
private:
enum valueIndex {
CentYear = 0,
Month ,
Day ,
Hour ,
Minute ,
Second ,
MiliSecond , //not to be used directly
utc ,
TOTAL_SIZE
};
enum utcType {
UTC_UNKNOWN = 0,
UTC_STD , // set in parse() or normalize()
UTC_POS , // set in parse()
UTC_NEG // set in parse()
};
enum timezoneIndex {
hh = 0,
mm ,
TIMEZONE_ARRAYSIZE
};
static int compareResult(int, int, bool);
static void addDuration(SAMLDateTime* pDuration, const SAMLDateTime* const pBaseDate, int index);
static int compareResult(const SAMLDateTime* const, const SAMLDateTime* const, bool, int);
static inline int getRetVal(int, int);
inline void reset();
//inline void assertBuffer() const;
inline void copy(const SAMLDateTime&);
inline void initParser();
inline bool isNormalized() const;
void getDate();
void getTime();
void getYearMonth();
void getTimeZone(const int);
void parseTimeZone();
int findUTCSign(const int start);
int indexOf(const int start, const int end, const XMLCh ch) const;
int parseInt(const int start, const int end) const;
int parseIntYear(const int end) const;
double parseMiliSecond(const int start, const int end) const;
void validateDateTime() const;
void normalize();
void fillString(XMLCh*& ptr, valueIndex ind, int expLen) const;
int fillYearString(XMLCh*& ptr, valueIndex ind) const;
void searchMiliSeconds(XMLCh*& miliStartPtr, XMLCh*& miliEndPtr) const;
bool operator==(const SAMLDateTime& toCompare) const;
static const int DATETIMES[][TOTAL_SIZE];
int fValue[TOTAL_SIZE];
int fTimeZone[TIMEZONE_ARRAYSIZE];
int fStart;
int fEnd;
int fBufferMaxLen;
XMLCh* fBuffer;
double fMiliSecond;
bool fHasTime;
};
inline void SAMLDateTime::setBuffer(const XMLCh* const aString)
{
reset();
fEnd = XMLString::stringLen(aString);
if (fEnd > 0) {
if (fEnd > fBufferMaxLen) {
delete[] fBuffer;
fBufferMaxLen = fEnd + 8;
fBuffer = new XMLCh[fBufferMaxLen+1];
}
memcpy(fBuffer, aString, (fEnd+1) * sizeof(XMLCh));
}
}
inline void SAMLDateTime::reset()
{
for ( int i=0; i < XMLDateTime::TOTAL_SIZE; i++ )
fValue[i] = 0;
fMiliSecond = 0;
fHasTime = false;
fTimeZone[hh] = fTimeZone[mm] = 0;
fStart = fEnd = 0;
if (fBuffer)
*fBuffer = 0;
}
inline void SAMLDateTime::copy(const SAMLDateTime& rhs)
{
for ( int i = 0; i < XMLDateTime::TOTAL_SIZE; i++ )
fValue[i] = rhs.fValue[i];
fMiliSecond = rhs.fMiliSecond;
fHasTime = rhs.fHasTime;
fTimeZone[hh] = rhs.fTimeZone[hh];
fTimeZone[mm] = rhs.fTimeZone[mm];
fStart = rhs.fStart;
fEnd = rhs.fEnd;
if (fEnd > 0) {
if (fEnd > fBufferMaxLen) {
delete[] fBuffer;
fBufferMaxLen = rhs.fBufferMaxLen;
fBuffer = new XMLCh[fBufferMaxLen+1];
}
memcpy(fBuffer, rhs.fBuffer, (fEnd+1) * sizeof(XMLCh));
}
}
inline void SAMLDateTime::initParser()
{
fStart = 0; // to ensure scan from the very first beginning
// in case the pointer is updated accidentally by someone else.
}
inline bool SAMLDateTime::isNormalized() const
{
return (fValue[XMLDateTime::utc] == XMLDateTime::UTC_STD ? true : false);
}
inline int SAMLDateTime::getRetVal(int c1, int c2)
{
if ((c1 == XMLDateTime::LESS_THAN && c2 == XMLDateTime::GREATER_THAN) ||
(c1 == XMLDateTime::GREATER_THAN && c2 == XMLDateTime::LESS_THAN))
return XMLDateTime::INDETERMINATE;
return (c1 != XMLDateTime::INDETERMINATE) ? c1 : c2;
}
}
#endif
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