| -rw-r--r-- | library/datebookdb.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/library/datebookdb.cpp b/library/datebookdb.cpp index 000ff71..188d8e1 100644 --- a/library/datebookdb.cpp +++ b/library/datebookdb.cpp @@ -1,228 +1,231 @@ /********************************************************************** ** Copyright (C) 2000 Trolltech AS. All rights reserved. ** ** This file is part of Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include <qasciidict.h> #include <qfile.h> #include <qmessagebox.h> #include <qstring.h> #include <qtextcodec.h> #include <qtextstream.h> #include <qtl.h> #include <qpe/alarmserver.h> #include <qpe/global.h> #include "datebookdb.h" #include <qpe/stringutil.h> #include <qpe/timeconversion.h> #include <errno.h> #include <stdlib.h> class DateBookDBPrivate { public: bool clean; // indcate whether we need to write to disk... }; // Helper functions static QString dateBookJournalFile() { QString str = getenv("HOME"); return QString( str +"/.caljournal" ); } static QString dateBookFilename() { return Global::applicationFileName("datebook","datebook.xml"); } /* Calculating the next event of a recuring event is actually computationally inexpensive, esp. compared to checking each day individually. There are bad worse cases for say the 29th of february or the 31st of some other months. However these are still bounded */ bool nextOccurance(const Event &e, const QDate &from, QDateTime &next) { // easy checks, first are we too far in the future or too far in the past? QDate tmpDate; int freq = e.repeatPattern().frequency; int diff, diff2, a; int iday, imonth, iyear; int dayOfWeek = 0; int firstOfWeek = 0; int weekOfMonth; if (e.repeatPattern().hasEndDate && e.repeatPattern().endDate() < from) return FALSE; if (e.start() >= from) { next = e.start(); return TRUE; } switch ( e.repeatPattern().type ) { case Event::Weekly: /* weekly is just daily by 7 */ /* first convert the repeatPattern.Days() mask to the next day of week valid after from */ dayOfWeek = from.dayOfWeek(); dayOfWeek--; /* we want 0-6, doco for above specs 1-7 */ /* this is done in case freq > 1 and from in week not for this round */ // firstOfWeek = 0; this is already done at decl. while(!((1 << firstOfWeek) & e.repeatPattern().days)) - firstOfWeek++; + firstOfWeek++; + + /* there is at least one 'day', or there would be no event */ while(!((1 << (dayOfWeek % 7)) & e.repeatPattern().days)) - dayOfWeek++; + dayOfWeek++; + dayOfWeek = dayOfWeek % 7; /* the actual day of week */ dayOfWeek -= e.start().date().dayOfWeek() -1; firstOfWeek = firstOfWeek % 7; /* the actual first of week */ firstOfWeek -= e.start().date().dayOfWeek() -1; // dayOfWeek may be negitive now // day of week is number of days to add to start day freq *= 7; // FALL-THROUGH !!!!! case Event::Daily: // the add is for the possible fall through from weekly */ if(e.start().date().addDays(dayOfWeek) > from) { /* first week exception */ next = QDateTime(e.start().date().addDays(dayOfWeek), e.start().time()); if ((next.date() > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate) return FALSE; return TRUE; } /* if from is middle of a non-week */ diff = e.start().date().addDays(dayOfWeek).daysTo(from) % freq; diff2 = e.start().date().addDays(firstOfWeek).daysTo(from) % freq; if(diff != 0) diff = freq - diff; if(diff2 != 0) diff2 = freq - diff2; diff = QMIN(diff, diff2); next = QDateTime(from.addDays(diff), e.start().time()); if ( (next.date() > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate ) return FALSE; return TRUE; case Event::MonthlyDay: iday = from.day(); iyear = from.year(); imonth = from.month(); /* find equivelent day of month for this month */ dayOfWeek = e.start().date().dayOfWeek(); weekOfMonth = (e.start().date().day() - 1) / 7; /* work out when the next valid month is */ a = from.year() - e.start().date().year(); a *= 12; a = a + (imonth - e.start().date().month()); /* a is e.start()monthsFrom(from); */ if(a % freq) { a = freq - (a % freq); imonth = from.month() + a; if (imonth > 12) { imonth--; iyear += imonth / 12; imonth = imonth % 12; imonth++; } } /* imonth is now the first month after or on from that matches the frequency given */ /* find for this month */ tmpDate = QDate( iyear, imonth, 1 ); iday = 1; iday += (7 + dayOfWeek - tmpDate.dayOfWeek()) % 7; iday += 7 * weekOfMonth; while (iday > tmpDate.daysInMonth()) { imonth += freq; if (imonth > 12) { imonth--; iyear += imonth / 12; imonth = imonth % 12; imonth++; } tmpDate = QDate( iyear, imonth, 1 ); /* these loops could go for a while, check end case now */ if ((tmpDate > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate) return FALSE; iday = 1; iday += (7 + dayOfWeek - tmpDate.dayOfWeek()) % 7; iday += 7 * weekOfMonth; } tmpDate = QDate(iyear, imonth, iday); if (tmpDate >= from) { next = QDateTime(tmpDate, e.start().time()); if ((next.date() > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate) return FALSE; return TRUE; } /* need to find the next iteration */ do { imonth += freq; if (imonth > 12) { imonth--; iyear += imonth / 12; imonth = imonth % 12; imonth++; } tmpDate = QDate( iyear, imonth, 1 ); /* these loops could go for a while, check end case now */ if ((tmpDate > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate) return FALSE; iday = 1; iday += (7 + dayOfWeek - tmpDate.dayOfWeek()) % 7; iday += 7 * weekOfMonth; } while (iday > tmpDate.daysInMonth()); tmpDate = QDate(iyear, imonth, iday); next = QDateTime(tmpDate, e.start().time()); if ((next.date() > e.repeatPattern().endDate()) && e.repeatPattern().hasEndDate) return FALSE; return TRUE; case Event::MonthlyDate: iday = e.start().date().day(); iyear = from.year(); imonth = from.month(); a = from.year() - e.start().date().year(); a *= 12; a = a + (imonth - e.start().date().month()); /* a is e.start()monthsFrom(from); */ @@ -766,256 +769,263 @@ void DateBookDB::loadFile( const QString &strFile ) char *attr = dt+i; dt[j] = '\0'; i = ++j; // skip = while ( i < len && dt[i] != '"' ) ++i; j = ++i; bool haveAmp = FALSE; bool haveUtf = FALSE; while ( j < len && dt[j] != '"' ) { if ( dt[j] == '&' ) haveAmp = TRUE; if ( ((unsigned char)dt[j]) > 0x7f ) haveUtf = TRUE; ++j; } if ( i == j ) { // leave out empty attributes i = j + 1; continue; } QString value = haveUtf ? QString::fromUtf8( dt+i, j-i ) : QString::fromLatin1( dt+i, j-i ); if ( haveAmp ) value = Qtopia::plainString( value ); i = j + 1; //qDebug("attr='%s' value='%s'", attr.data(), value.latin1() ); int * find = dict[ attr ]; #if 1 if ( !find ) { // custom field e.setCustomField(attr, value); continue; } switch( *find ) { case FDescription: e.setDescription( value ); break; case FLocation: e.setLocation( value ); break; case FCategories: e.setCategories( Qtopia::Record::idsFromString( value ) ); break; case FUid: e.setUid( value.toInt() ); break; case FType: if ( value == "AllDay" ) e.setType( Event::AllDay ); else e.setType( Event::Normal ); break; case FAlarm: alarmTime = value.toInt(); break; case FSound: alarmSound = value == "loud" ? Event::Loud : Event::Silent; break; // recurrence stuff case FRType: if ( value == "Daily" ) rp.type = Event::Daily; else if ( value == "Weekly" ) rp.type = Event::Weekly; else if ( value == "MonthlyDay" ) rp.type = Event::MonthlyDay; else if ( value == "MonthlyDate" ) rp.type = Event::MonthlyDate; else if ( value == "Yearly" ) rp.type = Event::Yearly; else rp.type = Event::NoRepeat; break; case FRWeekdays: // QtopiaDesktop 1.6 sometimes creates 'rweekdays="0"' // when it goes mad. This causes datebook to crash.. (se) if ( value.toInt() != 0 ) rp.days = value.toInt(); else rp.days = 1; break; case FRPosition: rp.position = value.toInt(); break; case FRFreq: rp.frequency = value.toInt(); break; case FRHasEndDate: rp.hasEndDate = value.toInt(); break; case FREndDate: { rp.endDateUTC = (time_t) value.toLong(); break; } case FRStart: { e.setStart( (time_t) value.toLong() ); break; } case FREnd: { e.setEnd( (time_t) value.toLong() ); break; } case FNote: e.setNotes( value ); break; case FCreated: rp.createTime = value.toInt(); break; case FAction: currentAction = value.toInt(); break; case FActionKey: journalKey = value.toInt(); break; case FJournalOrigHadRepeat: origHadRepeat = value.toInt(); break; default: qDebug( "huh??? missing enum? -- attr.: %s", attr ); break; } #endif } // "post processing" (dates, times, alarm, recurrence) + + // other half of 1169 fixlet without getting into regression + // if rp.days == 0 and rp.type == Event::Weekly + if ( rp.type == Event::Weekly && rp.days == 0 ) + rp.days = Event::day( e.start().date().dayOfWeek() ); + + // start date/time e.setRepeat( rp.type != Event::NoRepeat, rp ); if ( alarmTime != -1 ) e.setAlarm( TRUE, alarmTime, alarmSound ); // now do our action based on the current action... switch ( currentAction ) { case ACTION_ADD: addJFEvent( e ); break; case ACTION_REMOVE: removeJFEvent( e ); break; case ACTION_REPLACE: // be a little bit careful, // in case of a messed up journal... if ( journalKey > -1 && origHadRepeat > -1 ) { // get the original from proper list... if ( origHadRepeat ) removeJFEvent( *(repeatEvents.at(journalKey)) ); else removeJFEvent( *(eventList.at(journalKey)) ); addJFEvent( e ); } break; default: break; } } f.close(); } void DateBookDB::init() { d = new DateBookDBPrivate; d->clean = false; QString str = dateBookFilename(); if ( str.isNull() ) { QMessageBox::warning( 0, QObject::tr("Out of Space"), QObject::tr("Unable to create start up files\n" "Please free up some space\n" "before entering data") ); } // continuing along, we call this datebook filename again, // because they may fix it before continuing, though it seems // pretty unlikely... loadFile( dateBookFilename() ); if ( QFile::exists( dateBookJournalFile() ) ) { // merge the journal loadFile( dateBookJournalFile() ); // save in our changes and remove the journal... save(); } d->clean = true; } bool DateBookDB::save() { if ( d->clean == true ) return true; QValueListIterator<Event> it; int total_written; QString strFileNew = dateBookFilename() + ".new"; QFile f( strFileNew ); if ( !f.open( IO_WriteOnly|IO_Raw ) ) return FALSE; QString buf( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" ); buf += "<!DOCTYPE DATEBOOK><DATEBOOK>\n"; buf += "<events>\n"; QCString str = buf.utf8(); total_written = f.writeBlock( str.data(), str.length() ); if ( total_written != int(str.length()) ) { f.close(); QFile::remove( strFileNew ); return false; } for ( it = eventList.begin(); it != eventList.end(); ++it ) { buf = "<event"; (*it).save( buf ); buf += " />\n"; str = buf.utf8(); total_written = f.writeBlock( str.data(), str.length() ); if ( total_written != int(str.length()) ) { f.close(); QFile::remove( strFileNew ); return false; } } for ( it = repeatEvents.begin(); it != repeatEvents.end(); ++it ) { buf = "<event"; (*it).save( buf ); buf += " />\n"; str = buf.utf8(); total_written = f.writeBlock( str.data(), str.length() ); if ( total_written != int(str.length()) ) { f.close(); QFile::remove( strFileNew ); return false; } } buf = "</events>\n</DATEBOOK>\n"; str = buf.utf8(); total_written = f.writeBlock( str.data(), str.length() ); if ( total_written != int(str.length()) ) { f.close(); QFile::remove( strFileNew ); return false; } f.close(); // now rename... I like to use the systemcall if ( ::rename( strFileNew, dateBookFilename() ) < 0 ) { qWarning( "problem renaming file %s to %s errno %d", strFileNew.latin1(), dateBookFilename().latin1(), errno ); // remove the file, otherwise it will just stick around... QFile::remove( strFileNew ); } // may as well remove the journal file... QFile::remove( dateBookJournalFile() ); d->clean = true; return true; } |