kdelibs/kdecore/date/kcalendarsystemhebrew.cpp

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2014-11-13 01:04:59 +02:00
/*
Copyright (c) 2003 Hans Petter Bieker <bieker@kde.org>
Copyright 2007, 2009, 2010 John Layt <john@layt.net>
Calendar conversion routines based on Hdate v6, by Amos
Shapir 1978 (rev. 1985, 1992)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// Derived hebrew kde calendar class
#include "kcalendarsystemhebrew_p.h"
#include "kcalendarsystemprivate_p.h"
#include "kdebug.h"
#include "klocale.h"
#include <QtCore/qdatetime.h>
#include <QtCore/qstring.h>
2014-11-13 01:04:59 +02:00
static int hebrewDaysElapsed(int y);
class h_date
{
public:
int hd_day;
int hd_mon;
int hd_year;
int hd_dw;
int hd_flg;
};
/*
* compute general date structure from hebrew date
*/
static class h_date * hebrewToGregorian(int y, int m, int d)
{
static class h_date h;
int s;
y -= 3744;
s = hebrewDaysElapsed(y);
d += s;
s = hebrewDaysElapsed(y + 1) - s; /* length of year */
if (s > 365 && m > 6) {
--m;
d += 30;
}
d += (59 * (m - 1) + 1) / 2; /* regular months */
/* special cases */
if (s % 10 > 4 && m > 2) { /* long Heshvan */
d++;
}
if (s % 10 < 4 && m > 3) { /* short Kislev */
d--;
}
// ### HPB: Broken in leap years
//if (s > 365 && m > 6) /* leap year */
// d += 30;
d -= 6002;
y = (d + 36525) * 4 / 146097 - 1;
d -= y / 4 * 146097 + (y % 4) * 36524;
y *= 100;
/* compute year */
s = (d + 366) * 4 / 1461 - 1;
d -= s / 4 * 1461 + (s % 4) * 365;
y += s;
/* compute month */
m = (d + 245) * 12 / 367 - 7;
d -= m * 367 / 12 - 30;
if (++m >= 12) {
m -= 12;
y++;
}
h.hd_day = d;
h.hd_mon = m;
h.hd_year = y;
return(&h);
}
/*
* compute date structure from no. of days since 1 Tishrei 3744
*/
static class h_date * gregorianToHebrew(int y, int m, int d)
{
static class h_date h;
int s;
if ((m -= 2) <= 0) {
m += 12;
y--;
}
/* no. of days, Julian calendar */
d += 365 * y + y / 4 + 367 * m / 12 + 5968;
/* Gregorian calendar */
d -= y / 100 - y / 400 - 2;
h.hd_dw = (d + 1) % 7;
/* compute the year */
y += 16;
s = hebrewDaysElapsed(y);
m = hebrewDaysElapsed(y + 1);
while (d >= m) { /* computed year was underestimated */
s = m;
y++;
m = hebrewDaysElapsed(y + 1);
}
d -= s;
s = m - s; /* size of current year */
y += 3744;
h.hd_flg = s % 10 - 4;
/* compute day and month */
if (d >= s - 236) { /* last 8 months are regular */
d -= s - 236;
m = d * 2 / 59;
d -= (m * 59 + 1) / 2;
m += 4;
if (s > 365 && m <= 5) { /* Adar of Meuberet */
m += 8;
}
} else {
/* first 4 months have 117-119 days */
s = 114 + s % 10;
m = d * 4 / s;
d -= (m * s + 3) / 4;
}
h.hd_day = d;
h.hd_mon = m;
h.hd_year = y;
return(&h);
}
/* constants, in 1/18th of minute */
static const int HOUR = 1080;
static const int DAY = 24 * HOUR;
static const int WEEK = 7 * DAY;
#define M(h,p) ((h)*HOUR+p)
#define MONTH (DAY+M(12,793))
/**
* @internal
* no. of days in y years
*/
static int hebrewDaysElapsed(int y)
{
int m, nm, dw, s, l;
l = y * 7 + 1; // no. of leap months
m = y * 12 + l / 19; // total no. of months
l %= 19;
nm = m * MONTH + M(1 + 6, 779); // molad new year 3744 (16BC) + 6 hours
s = m * 28 + nm / DAY - 2;
nm %= WEEK;
dw = nm / DAY;
nm %= DAY;
// special cases of Molad Zaken
if ((l < 12 && dw == 3 && nm >= M(9 + 6, 204)) ||
(l < 7 && dw == 2 && nm >= M(15 + 6, 589))) {
s++, dw++;
}
/* ADU */
if (dw == 1 || dw == 4 || dw == 6) {
s++;
}
return s;
}
/**
* @internal
* true if long Cheshvan
*/
static int long_cheshvan(int year)
{
QDate first, last;
class h_date *gd;
gd = hebrewToGregorian(year, 1, 1);
first.setYMD(gd->hd_year, gd->hd_mon + 1, gd->hd_day + 1);
gd = hebrewToGregorian(year + 1, 1, 1);
last.setYMD(gd->hd_year, gd->hd_mon + 1, gd->hd_day + 1);
return (first.daysTo(last) % 10 == 5);
}
/**
* @internal
* true if short Kislev
*/
static int short_kislev(int year)
{
QDate first, last;
class h_date * gd;
gd = hebrewToGregorian(year, 1, 1);
first.setYMD(gd->hd_year, gd->hd_mon + 1, gd->hd_day + 1);
gd = hebrewToGregorian(year + 1, 1, 1);
last.setYMD(gd->hd_year, gd->hd_mon + 1, gd->hd_day + 1);
return (first.daysTo(last) % 10 == 3);
}
// Ok
static class h_date *toHebrew(const QDate &date)
{
class h_date *sd;
sd = gregorianToHebrew(date.year(), date.month(), date.day());
++sd->hd_mon;
++sd->hd_day;
return sd;
}
class KCalendarSystemHebrewPrivate : public KCalendarSystemPrivate
{
public:
explicit KCalendarSystemHebrewPrivate(KCalendarSystemHebrew *q);
virtual ~KCalendarSystemHebrewPrivate();
// Virtual methods each calendar system must re-implement
virtual KLocale::CalendarSystem calendarSystem() const;
virtual void loadDefaultEraList();
virtual int monthsInYear(int year) const;
virtual int daysInMonth(int year, int month) const;
virtual int daysInYear(int year) const;
virtual int daysInWeek() const;
virtual bool isLeapYear(int year) const;
virtual bool hasLeapMonths() const;
virtual bool hasYearZero() const;
virtual int maxDaysInWeek() const;
virtual int maxMonthsInYear() const;
virtual int earliestValidYear() const;
virtual int latestValidYear() const;
virtual QString monthName(int month, int year, KLocale::DateTimeComponentFormat format, bool possessive) const;
virtual QString weekDayName(int weekDay, KLocale::DateTimeComponentFormat format) const;
virtual int integerFromString(const QString &string, int maxLength, int &readLength) const;
virtual QString stringFromInteger(int number, int padWidth = 0, QChar padChar = QLatin1Char('0')) const;
virtual QString stringFromInteger(int number, int padWidth, QChar padChar, KLocale::DigitSet digitSet) const;
virtual int monthNumberToMonthIndex(int year, int month) const;
};
// Shared d pointer base class definitions
KCalendarSystemHebrewPrivate::KCalendarSystemHebrewPrivate(KCalendarSystemHebrew *q)
: KCalendarSystemPrivate(q)
{
}
KCalendarSystemHebrewPrivate::~KCalendarSystemHebrewPrivate()
{
}
KLocale::CalendarSystem KCalendarSystemHebrewPrivate::calendarSystem() const
{
return KLocale::HebrewCalendar;
}
void KCalendarSystemHebrewPrivate::loadDefaultEraList()
{
QString name, shortName, format;
// Jewish Era, Anno Mundi, "Year of the World".
name = i18nc("Calendar Era: Hebrew Era, years > 0, LongFormat", "Anno Mundi");
shortName = i18nc("Calendar Era: Hebrew Era, years > 0, ShortFormat", "AM");
format = i18nc("(kdedt-format) Hebrew, AM, full era year format used for %EY, e.g. 2000 AM", "%Ey %EC");
addEra('+', 1, q->epoch(), 1, q->latestValidDate(), name, shortName, format);
}
int KCalendarSystemHebrewPrivate::monthsInYear(int year) const
{
if (isLeapYear(year)) {
return 13;
} else {
return 12;
}
}
int KCalendarSystemHebrewPrivate::daysInMonth(int year, int month) const
{
int mi = monthNumberToMonthIndex(year, month);
if (mi == 2 && long_cheshvan(year)) {
return 30;
}
if (mi == 3 && short_kislev(year)) {
return 29;
}
if (mi % 2 == 0) { // Even number months have 29 days
return 29;
} else { // Odd number months have 30 days
return 30;
}
}
int KCalendarSystemHebrewPrivate::daysInYear(int year) const
{
int days;
// Get Regular year length
if (isLeapYear(year)) { // Has 13 months
days = 384;
} else { // Has 12 months
days = 354;
}
// Check if is Deficient or Abundant year
if (short_kislev(year)) { // Deficient
days = days - 1;
} else if (long_cheshvan(year)) { // Abundant
days = days + 1;
}
return days;
}
int KCalendarSystemHebrewPrivate::daysInWeek() const
{
return 7;
}
bool KCalendarSystemHebrewPrivate::isLeapYear(int year) const
{
return ((((7 * year) + 1) % 19) < 7);
}
bool KCalendarSystemHebrewPrivate::hasLeapMonths() const
{
return true;
}
bool KCalendarSystemHebrewPrivate::hasYearZero() const
{
return false;
}
int KCalendarSystemHebrewPrivate::maxDaysInWeek() const
{
return 7;
}
int KCalendarSystemHebrewPrivate::maxMonthsInYear() const
{
return 13;
}
int KCalendarSystemHebrewPrivate::earliestValidYear() const
{
return 5344;
}
int KCalendarSystemHebrewPrivate::latestValidYear() const
{
return 8119;
}
int KCalendarSystemHebrewPrivate::integerFromString(const QString &inputString, int maxLength, int &readLength) const
{
if (locale()->language() == QLatin1String("he")) {
// Hebrew numbers are composed of combinations of normal letters which have a numeric value.
// This is a non-positional system, the numeric values are simply added together, however
// convention is for a RTL highest to lowest value ordering. There is also a degree of
// ambiguity due to the lack of a letter for 0, hence 5 and 5000 are written the same.
// Hebrew numbers are only used in dates.
// See http://www.i18nguy.com/unicode/hebrew-numbers.html for more explaination
/*
Ref table for numbers to Hebrew chars
Value 1 2 3 4 5 6 7 8 9
x 1 Alef א Bet ב Gimel ג Dalet ד He ה Vav ו Zayen ז Het ח Tet ט
0x05D0 0x05D1 0x05D2 0x05D3 0x05D4 0x05D5 0x05D6 0x05D7 0x05D8
x 10 Yod י Kaf כ Lamed ל Mem מ Nun נ Samekh ס Ayin ע Pe פ Tzadi צ
0x05D9 0x05DB 0x05DC 0x05DE 0x05E0 0x05E1 0x05E2 0x05E4 0x05E6
x 100 Qof ק Resh ר Shin ש Tav ת
0x05E7 0x05E8 0x05E9 0x05EA
Note special cases 15 = 9 + 6 = 96 טו and 16 = 9 + 7 = 97 טז
*/
int decadeValues[14] = {10, 20, 20, 30, 40, 40, 50, 50, 60, 70, 80, 80, 90, 90};
QChar thisChar, nextChar;
QString string = inputString;
int stringLength = string.length();
readLength = 0;
int position = 0;
int result = 0;
int value = 0;
for (; position < stringLength ; ++position) {
thisChar = string[position];
if (position + 1 < stringLength) {
nextChar = string[position + 1];
// Ignore any geresh or gershayim chars, we don't bother checking they are in the right place
if (nextChar == QLatin1Char('\'') || nextChar == QChar(0x05F3) || // geresh
nextChar == QLatin1Char('\"') || nextChar == QChar(0x05F4)) { // gershayim
string.remove(position + 1, 1);
stringLength = string.length();
if (position + 1 < stringLength) {
nextChar = string[position + 1];
} else {
nextChar = QChar();
}
readLength = readLength + 1;
}
} else {
nextChar = QChar();
}
if (thisChar >= QChar(0x05D0) && thisChar <= QChar(0x05D7)) {
// If this char Alef to Het, 1 to 8, א to ח
// If next char is any valid digit char (Alef to Tav, 1 to 400, א to ת)
// then this char is a thousands digit
// else this char is a ones digit
if (nextChar >= QChar(0x05D0) && nextChar <= QChar(0x05EA)) {
value = (thisChar.unicode() - 0x05D0 + 1) * 1000;
} else {
value = thisChar.unicode() - 0x05D0 + 1;
}
} else if (thisChar == QChar(0x05D8)) {
// If this char is Tet, 9, ט
// If next char is any valid digit char (Alef to Tav, 1 to 400, א to ת)
// and next char not 6 (Special case for 96 = 15)
// and next char not 7 (Special case for 97 = 16)
// then is a thousands digit else is 9
if (nextChar >= QChar(0x05D0) && nextChar <= QChar(0x05EA) &&
nextChar != QChar(0x05D5) && nextChar != QChar(0x05D6)) {
value = 9000;
} else {
value = 9;
}
} else if (thisChar >= QChar(0x05D9) && thisChar <= QChar(0x05E6)) {
// If this char Yod to Tsadi, 10 to 90, י to צ
// If next char is a tens or hundreds char then is an error
// Else is a tens digit
if (nextChar >= QChar(0x05D9)) {
return -1;
} else {
value = decadeValues[thisChar.unicode() - 0x05D9];
}
} else if (thisChar >= QChar(0x05E7) && thisChar <= QChar(0x05EA)) {
// If this char Qof to Tav, 100 to 400, ק to ת, then is hundreds digit
value = (thisChar.unicode() - 0x05E7 + 1) * 100;
} else {
// If this char any non-digit char including whitespace or punctuation, we're done
break;
}
result = result + value;
value = 0;
}
readLength += position;
return result;
} else {
return KCalendarSystemPrivate::integerFromString(inputString, maxLength, readLength);
}
}
QString KCalendarSystemHebrewPrivate::stringFromInteger(int number, int padWidth, QChar padChar) const
{
return KCalendarSystemPrivate::stringFromInteger(number, padWidth, padChar);
}
QString KCalendarSystemHebrewPrivate::stringFromInteger(int number, int padWidth, QChar padChar, KLocale::DigitSet digitSet) const
{
if (locale()->language() == QLatin1String("he")) {
// Hebrew numbers are composed of combinations of normal letters which have a numeric value.
// This is a non-positional system, the numeric values are simply added together, however
// convention is for a RTL highest to lowest value ordering. There is also a degree of
// ambiguity due to the lack of a letter for 0, hence 5 and 5000 are written the same.
// Hebrew numbers are only used in dates.
// See http://www.i18nguy.com/unicode/hebrew-numbers.html for more explaination
/*
Ref table for numbers to Hebrew chars
Value 1 2 3 4 5 6 7 8 9
x 1 Alef א Bet ב Gimel ג Dalet ד He ה Vav ו Zayen ז Het ח Tet ט
0x05D0 0x05D1 0x05D2 0x05D3 0x05D4 0x05D5 0x05D6 0x05D7 0x05D8
x 10 Yod י Kaf כ Lamed ל Mem מ Nun נ Samekh ס Ayin ע Pe פ Tzadi צ
0x05D9 0x05DB 0x05DC 0x05DE 0x05E0 0x05E1 0x05E2 0x05E4 0x05E6
x 100 Qof ק Resh ר Shin ש Tav ת
0x05E7 0x05E8 0x05E9 0x05EA
Note special cases 15 = 9 + 6 = 96 טו and 16 = 9 + 7 = 97 טז
*/
const QChar decade[] = {
// Tet = ט, Yod = י, Kaf = כ, Lamed = ל, Mem = מ
// Nun = נ, Samekh = ס, Ayin = ע, Pe = פ, Tsadi = צ
0x05D8, 0x05D9, 0x05DB, 0x05DC, 0x05DE,
0x05E0, 0x05E1, 0x05E2, 0x05E4, 0x05E6
};
QString result;
// We have no rules for coping with numbers outside this range
if (number < 1 || number > 9999) {
return KCalendarSystemPrivate::stringFromInteger(number, padWidth, padChar, digitSet);
}
// Translate the thousands digit, just uses letter for number 1..9 ( א to ט, Alef to Tet )
// Years 5001-5999 do not have the thousands by convention
if (number >= 1000) {
if (number <= 5000 || number >= 6000) {
result += QChar(0x05D0 - 1 + number / 1000); // Alef א to Tet ט
}
number %= 1000;
}
// Translate the hundreds digit
// Use traditional method where we only have letters assigned values for 100, 200, 300 and 400
// so may need to repeat 400 twice to make up the required number
if (number >= 100) {
while (number >= 500) {
result += QChar(0x05EA); // Tav = ת
number -= 400;
}
result += QChar(0x05E7 - 1 + number / 100); // Qof = ק to xxx
number %= 100;
}
// Translate the tens digit
// The numbers 15 and 16 translate to letters that spell out the name of God which is
// forbidden, so require special treatment where 15 = 9 + 6 and 1 = 9 + 7.
if (number >= 10) {
if (number == 15 || number == 16)
number -= 9;
result += decade[number / 10];
number %= 10;
}
// Translate the ones digit, uses letter for number 1..9 ( א to ט, Alef to Tet )
if (number > 0) {
result += QChar(0x05D0 - 1 + number); // Alef = א to xxx
}
// When used in a string with mixed names and numbers the numbers need special chars to
// distinguish them from words composed of the same letters.
// Single digit numbers are followed by a geresh symbol ? (Unicode = 0x05F3), but we use
// single quote for convenience.
// Multiple digit numbers have a gershayim symbol ? (Unicode = 0x05F4) as second-to-last
// char, but we use double quote for convenience.
if (result.length() == 1) {
result += QLatin1Char('\'');
} else {
result.insert(result.length() - 1, QLatin1Char('\"'));
}
return result;
} else {
return KCalendarSystemPrivate::stringFromInteger(number, padWidth, padChar, digitSet);
}
}
int KCalendarSystemHebrewPrivate::monthNumberToMonthIndex(int year, int month) const
{
if (isLeapYear(year)) {
if (month == 6) {
return 13; // Adar I
} else if (month == 7) {
return 14; // Adar II
} else if (month > 7) {
return month - 1; // Because of Adar II
}
}
return month;
}
QString KCalendarSystemHebrewPrivate::monthName(int month, int year, KLocale::DateTimeComponentFormat format, bool possessive) const
{
// We must map month number to month index
int monthIndex = monthNumberToMonthIndex(year, month);
if (format == KLocale::NarrowName) {
switch (monthIndex) {
case 1:
return ki18nc("Hebrew month 1 - KLocale::NarrowName", "T").toString(locale());
case 2:
return ki18nc("Hebrew month 2 - KLocale::NarrowName", "H").toString(locale());
case 3:
return ki18nc("Hebrew month 3 - KLocale::NarrowName", "K").toString(locale());
case 4:
return ki18nc("Hebrew month 4 - KLocale::NarrowName", "T").toString(locale());
case 5:
return ki18nc("Hebrew month 5 - KLocale::NarrowName", "S").toString(locale());
case 6:
return ki18nc("Hebrew month 6 - KLocale::NarrowName", "A").toString(locale());
case 7:
return ki18nc("Hebrew month 7 - KLocale::NarrowName", "N").toString(locale());
case 8:
return ki18nc("Hebrew month 8 - KLocale::NarrowName", "I").toString(locale());
case 9:
return ki18nc("Hebrew month 9 - KLocale::NarrowName", "S").toString(locale());
case 10:
return ki18nc("Hebrew month 10 - KLocale::NarrowName", "T").toString(locale());
case 11:
return ki18nc("Hebrew month 11 - KLocale::NarrowName", "A").toString(locale());
case 12:
return ki18nc("Hebrew month 12 - KLocale::NarrowName", "E").toString(locale());
case 13:
return ki18nc("Hebrew month 13 - KLocale::NarrowName", "A").toString(locale());
case 14:
return ki18nc("Hebrew month 14 - KLocale::NarrowName", "A").toString(locale());
default:
return QString();
}
}
if (format == KLocale::ShortName && possessive) {
switch (monthIndex) {
case 1:
return ki18nc("Hebrew month 1 - KLocale::ShortName Possessive", "of Tis").toString(locale());
case 2:
return ki18nc("Hebrew month 2 - KLocale::ShortName Possessive", "of Hes").toString(locale());
case 3:
return ki18nc("Hebrew month 3 - KLocale::ShortName Possessive", "of Kis").toString(locale());
case 4:
return ki18nc("Hebrew month 4 - KLocale::ShortName Possessive", "of Tev").toString(locale());
case 5:
return ki18nc("Hebrew month 5 - KLocale::ShortName Possessive", "of Shv").toString(locale());
case 6:
return ki18nc("Hebrew month 6 - KLocale::ShortName Possessive", "of Ada").toString(locale());
case 7:
return ki18nc("Hebrew month 7 - KLocale::ShortName Possessive", "of Nis").toString(locale());
case 8:
return ki18nc("Hebrew month 8 - KLocale::ShortName Possessive", "of Iya").toString(locale());
case 9:
return ki18nc("Hebrew month 9 - KLocale::ShortName Possessive", "of Siv").toString(locale());
case 10:
return ki18nc("Hebrew month 10 - KLocale::ShortName Possessive", "of Tam").toString(locale());
case 11:
return ki18nc("Hebrew month 11 - KLocale::ShortName Possessive", "of Av").toString(locale());
case 12:
return ki18nc("Hebrew month 12 - KLocale::ShortName Possessive", "of Elu").toString(locale());
case 13:
return ki18nc("Hebrew month 13 - KLocale::ShortName Possessive", "of Ad1").toString(locale());
case 14:
return ki18nc("Hebrew month 14 - KLocale::ShortName Possessive", "of Ad2").toString(locale());
default:
return QString();
}
}
if (format == KLocale::ShortName && !possessive) {
switch (monthIndex) {
case 1:
return ki18nc("Hebrew month 1 - KLocale::ShortName", "Tis").toString(locale());
case 2:
return ki18nc("Hebrew month 2 - KLocale::ShortName", "Hes").toString(locale());
case 3:
return ki18nc("Hebrew month 3 - KLocale::ShortName", "Kis").toString(locale());
case 4:
return ki18nc("Hebrew month 4 - KLocale::ShortName", "Tev").toString(locale());
case 5:
return ki18nc("Hebrew month 5 - KLocale::ShortName", "Shv").toString(locale());
case 6:
return ki18nc("Hebrew month 6 - KLocale::ShortName", "Ada").toString(locale());
case 7:
return ki18nc("Hebrew month 7 - KLocale::ShortName", "Nis").toString(locale());
case 8:
return ki18nc("Hebrew month 8 - KLocale::ShortName", "Iya").toString(locale());
case 9:
return ki18nc("Hebrew month 9 - KLocale::ShortName", "Siv").toString(locale());
case 10:
return ki18nc("Hebrew month 10 - KLocale::ShortName", "Tam").toString(locale());
case 11:
return ki18nc("Hebrew month 11 - KLocale::ShortName", "Av").toString(locale());
case 12:
return ki18nc("Hebrew month 12 - KLocale::ShortName", "Elu").toString(locale());
case 13:
return ki18nc("Hebrew month 13 - KLocale::ShortName", "Ad1").toString(locale());
case 14:
return ki18nc("Hebrew month 14 - KLocale::ShortName", "Ad2").toString(locale());
default:
return QString();
}
}
if (format == KLocale::LongName && possessive) {
switch (monthIndex) {
case 1:
return ki18nc("Hebrew month 1 - KLocale::LongName Possessive", "of Tishrey").toString(locale());
case 2:
return ki18nc("Hebrew month 2 - KLocale::LongName Possessive", "of Heshvan").toString(locale());
case 3:
return ki18nc("Hebrew month 3 - KLocale::LongName Possessive", "of Kislev").toString(locale());
case 4:
return ki18nc("Hebrew month 4 - KLocale::LongName Possessive", "of Tevet").toString(locale());
case 5:
return ki18nc("Hebrew month 5 - KLocale::LongName Possessive", "of Shvat").toString(locale());
case 6:
return ki18nc("Hebrew month 6 - KLocale::LongName Possessive", "of Adar").toString(locale());
case 7:
return ki18nc("Hebrew month 7 - KLocale::LongName Possessive", "of Nisan").toString(locale());
case 8:
return ki18nc("Hebrew month 8 - KLocale::LongName Possessive", "of Iyar").toString(locale());
case 9:
return ki18nc("Hebrew month 9 - KLocale::LongName Possessive", "of Sivan").toString(locale());
case 10:
return ki18nc("Hebrew month 10 - KLocale::LongName Possessive", "of Tamuz").toString(locale());
case 11:
return ki18nc("Hebrew month 11 - KLocale::LongName Possessive", "of Av").toString(locale());
case 12:
return ki18nc("Hebrew month 12 - KLocale::LongName Possessive", "of Elul").toString(locale());
case 13:
return ki18nc("Hebrew month 13 - KLocale::LongName Possessive", "of Adar I").toString(locale());
case 14:
return ki18nc("Hebrew month 14 - KLocale::LongName Possessive", "of Adar II").toString(locale());
default:
return QString();
}
}
// Default to LongName
switch (monthIndex) {
case 1:
return ki18nc("Hebrew month 1 - KLocale::LongName", "Tishrey").toString(locale());
case 2:
return ki18nc("Hebrew month 2 - KLocale::LongName", "Heshvan").toString(locale());
case 3:
return ki18nc("Hebrew month 3 - KLocale::LongName", "Kislev").toString(locale());
case 4:
return ki18nc("Hebrew month 4 - KLocale::LongName", "Tevet").toString(locale());
case 5:
return ki18nc("Hebrew month 5 - KLocale::LongName", "Shvat").toString(locale());
case 6:
return ki18nc("Hebrew month 6 - KLocale::LongName", "Adar").toString(locale());
case 7:
return ki18nc("Hebrew month 7 - KLocale::LongName", "Nisan").toString(locale());
case 8:
return ki18nc("Hebrew month 8 - KLocale::LongName", "Iyar").toString(locale());
case 9:
return ki18nc("Hebrew month 9 - KLocale::LongName", "Sivan").toString(locale());
case 10:
return ki18nc("Hebrew month 10 - KLocale::LongName", "Tamuz").toString(locale());
case 11:
return ki18nc("Hebrew month 11 - KLocale::LongName", "Av").toString(locale());
case 12:
return ki18nc("Hebrew month 12 - KLocale::LongName", "Elul").toString(locale());
case 13:
return ki18nc("Hebrew month 13 - KLocale::LongName", "Adar I").toString(locale());
case 14:
return ki18nc("Hebrew month 14 - KLocale::LongName", "Adar II").toString(locale());
default:
return QString();
}
}
// Use Western day names for now as that's what the old version did,
// but wouldn't it be better to use the right Hebrew names like Shabbat?
// Could make it switchable by adding new enums to WeekDayFormat, e.g. ShortNameWestern?
QString KCalendarSystemHebrewPrivate::weekDayName(int weekDay, KLocale::DateTimeComponentFormat format) const
{
if (format == KLocale::NarrowName) {
switch (weekDay) {
case 1:
return ki18nc("Gregorian weekday 1 - KLocale::NarrowName ", "M").toString(locale());
case 2:
return ki18nc("Gregorian weekday 2 - KLocale::NarrowName ", "T").toString(locale());
case 3:
return ki18nc("Gregorian weekday 3 - KLocale::NarrowName ", "W").toString(locale());
case 4:
return ki18nc("Gregorian weekday 4 - KLocale::NarrowName ", "T").toString(locale());
case 5:
return ki18nc("Gregorian weekday 5 - KLocale::NarrowName ", "F").toString(locale());
case 6:
return ki18nc("Gregorian weekday 6 - KLocale::NarrowName ", "S").toString(locale());
case 7:
return ki18nc("Gregorian weekday 7 - KLocale::NarrowName ", "S").toString(locale());
default:
return QString();
}
}
if (format == KLocale::ShortName || format == KLocale:: ShortNumber) {
switch (weekDay) {
case 1:
return ki18nc("Gregorian weekday 1 - KLocale::ShortName", "Mon").toString(locale());
case 2:
return ki18nc("Gregorian weekday 2 - KLocale::ShortName", "Tue").toString(locale());
case 3:
return ki18nc("Gregorian weekday 3 - KLocale::ShortName", "Wed").toString(locale());
case 4:
return ki18nc("Gregorian weekday 4 - KLocale::ShortName", "Thu").toString(locale());
case 5:
return ki18nc("Gregorian weekday 5 - KLocale::ShortName", "Fri").toString(locale());
case 6:
return ki18nc("Gregorian weekday 6 - KLocale::ShortName", "Sat").toString(locale());
case 7:
return ki18nc("Gregorian weekday 7 - KLocale::ShortName", "Sun").toString(locale());
default: return QString();
}
}
switch (weekDay) {
case 1:
return ki18nc("Gregorian weekday 1 - KLocale::LongName", "Monday").toString(locale());
case 2:
return ki18nc("Gregorian weekday 2 - KLocale::LongName", "Tuesday").toString(locale());
case 3:
return ki18nc("Gregorian weekday 3 - KLocale::LongName", "Wednesday").toString(locale());
case 4:
return ki18nc("Gregorian weekday 4 - KLocale::LongName", "Thursday").toString(locale());
case 5:
return ki18nc("Gregorian weekday 5 - KLocale::LongName", "Friday").toString(locale());
case 6:
return ki18nc("Gregorian weekday 6 - KLocale::LongName", "Saturday").toString(locale());
case 7:
return ki18nc("Gregorian weekday 7 - KLocale::LongName", "Sunday").toString(locale());
default:
return QString();
}
}
KCalendarSystemHebrew::KCalendarSystemHebrew(const KLocale *locale)
: KCalendarSystem(*new KCalendarSystemHebrewPrivate(this), KSharedConfig::Ptr(), locale)
{
d_ptr->loadConfig(calendarType());
}
KCalendarSystemHebrew::KCalendarSystemHebrew(const KSharedConfig::Ptr config, const KLocale *locale)
: KCalendarSystem(*new KCalendarSystemHebrewPrivate(this), config, locale)
{
d_ptr->loadConfig(calendarType());
}
KCalendarSystemHebrew::KCalendarSystemHebrew(KCalendarSystemHebrewPrivate &dd,
const KSharedConfig::Ptr config, const KLocale *locale)
: KCalendarSystem(dd, config, locale)
{
d_ptr->loadConfig(calendarType());
}
KCalendarSystemHebrew::~KCalendarSystemHebrew()
{
}
QString KCalendarSystemHebrew::calendarType() const
{
return QLatin1String("hebrew");
}
QDate KCalendarSystemHebrew::epoch() const
{
// Hebrew 0001-01-01 (Gregorian -3760-09-07, Julian -3761-10-07)
return QDate::fromJulianDay(347998);
}
QDate KCalendarSystemHebrew::earliestValidDate() const
{
// Current formulas using direct Gregorian <-> Hebrew conversion using Qt
// will return invalid results prior to the Gregorian switchover in 1582
// Next valid Hebrew year starts 5344-01-01 (Gregorian 1583-09-17)
return QDate::fromJulianDay(2299498);
}
QDate KCalendarSystemHebrew::latestValidDate() const
{
// Testing shows current formulas only work up to 8119-13-29 (Gregorian 4359-10-07)
return QDate::fromJulianDay(3313431);
}
bool KCalendarSystemHebrew::isValid(int year, int month, int day) const
{
return KCalendarSystem::isValid(year, month, day);
}
bool KCalendarSystemHebrew::isValid(const QDate &date) const
{
return KCalendarSystem::isValid(date);
}
int KCalendarSystemHebrew::dayOfWeek(const QDate &date) const
{
class h_date * sd = toHebrew(date);
if (sd->hd_dw == 0) {
return 7;
} else {
return (sd->hd_dw);
}
}
bool KCalendarSystemHebrew::isLeapYear(int year) const
{
return KCalendarSystem::isLeapYear(year);
}
bool KCalendarSystemHebrew::isLeapYear(const QDate &date) const
{
return KCalendarSystem::isLeapYear(date);
}
QString KCalendarSystemHebrew::monthName(int month, int year, MonthNameFormat format) const
{
return KCalendarSystem::monthName(month, year, format);
}
QString KCalendarSystemHebrew::monthName(const QDate &date, MonthNameFormat format) const
{
return KCalendarSystem::monthName(date, format);
}
QString KCalendarSystemHebrew::weekDayName(int weekDay, WeekDayNameFormat format) const
{
return KCalendarSystem::weekDayName(weekDay, format);
}
QString KCalendarSystemHebrew::weekDayName(const QDate &date, WeekDayNameFormat format) const
{
return KCalendarSystem::weekDayName(date, format);
}
int KCalendarSystemHebrew::yearStringToInteger(const QString &string, int &readLength) const
{
int result = KCalendarSystem::yearStringToInteger(string, readLength);
// Hebrew has no letter for 0, so 5 and 5000 are written the same
// Assume if less than 10 then we are in an exact multiple of 1000
if (result < 10) {
result = result * 1000;
}
// Not good just assuming, make configurable
if (result < 1000) {
result += 5000; // assume we're in the 6th millenium (y6k bug)
}
return result;
}
int KCalendarSystemHebrew::weekDayOfPray() const
{
return 6; // Saturday
}
bool KCalendarSystemHebrew::isLunar() const
{
return false;
}
bool KCalendarSystemHebrew::isLunisolar() const
{
return true;
}
bool KCalendarSystemHebrew::isSolar() const
{
return false;
}
bool KCalendarSystemHebrew::isProleptic() const
{
return false;
}
bool KCalendarSystemHebrew::julianDayToDate(int jd, int &year, int &month, int &day) const
{
class h_date * sd = toHebrew(QDate::fromJulianDay(jd));
year = sd->hd_year;
month = sd->hd_mon;
if (isLeapYear(sd->hd_year)) {
if (month == 13 /*AdarI*/) {
month = 6;
} else if (month == 14 /*AdarII*/) {
month = 7;
} else if (month > 6 && month < 13) {
++month;
}
}
day = sd->hd_day;
return true;
}
bool KCalendarSystemHebrew::dateToJulianDay(int year, int month, int day, int &jd) const
{
class h_date * gd = hebrewToGregorian(year, month, day);
QDate tempDate(gd->hd_year, gd->hd_mon + 1, gd->hd_day + 1);
jd = tempDate.toJulianDay();
return true;
}