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113 lines
3.3 KiB
113 lines
3.3 KiB
/*
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This file is part of KAddressbook.
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Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, permission is given to link this program
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with any edition of Qt, and distribute the resulting executable,
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without including the source code for Qt in the source distribution.
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*/
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#include <qdatetime.h>
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#include "dateparser.h"
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DateParser::DateParser( const QString &pattern )
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: mPattern( pattern )
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{
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}
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DateParser::~DateParser()
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{
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}
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QDate DateParser::parse( const QString &dateStr ) const
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{
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int year, month, day;
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year = month = day = 0;
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uint currPos = 0;
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for ( uint i = 0; i < mPattern.length(); ++i ) {
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if ( mPattern[ i ] == 'y' ) { // 19YY
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if ( currPos + 1 < dateStr.length() ) {
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year = 1900 + dateStr.mid( currPos, 2 ).toInt();
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currPos += 2;
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} else
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return QDate();
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} else if ( mPattern[ i ] == 'Y' ) { // YYYY
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if ( currPos + 3 < dateStr.length() ) {
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year = dateStr.mid( currPos, 4 ).toInt();
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currPos += 4;
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} else
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return QDate();
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} else if ( mPattern[ i ] == 'm' ) { // M or MM
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if ( currPos + 1 < dateStr.length() ) {
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if ( dateStr[ currPos ].isDigit() ) {
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if ( dateStr[ currPos + 1 ].isDigit() ) {
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month = dateStr.mid( currPos, 2 ).toInt();
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currPos += 2;
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continue;
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}
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}
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}
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if ( currPos < dateStr.length() ) {
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if ( dateStr[ currPos ].isDigit() ) {
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month = dateStr.mid( currPos, 1 ).toInt();
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currPos++;
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continue;
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}
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}
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return QDate();
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} else if ( mPattern[ i ] == 'M' ) { // 0M or MM
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if ( currPos + 1 < dateStr.length() ) {
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month = dateStr.mid( currPos, 2 ).toInt();
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currPos += 2;
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} else
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return QDate();
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} else if ( mPattern[ i ] == 'd' ) { // D or DD
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if ( currPos + 1 < dateStr.length() ) {
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if ( dateStr[ currPos ].isDigit() ) {
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if ( dateStr[ currPos + 1 ].isDigit() ) {
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day = dateStr.mid( currPos, 2 ).toInt();
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currPos += 2;
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continue;
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}
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}
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}
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if ( currPos < dateStr.length() ) {
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if ( dateStr[ currPos ].isDigit() ) {
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day = dateStr.mid( currPos, 1 ).toInt();
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currPos++;
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continue;
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}
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}
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return QDate();
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} else if ( mPattern[ i ] == 'D' ) { // 0D or DD
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if ( currPos + 1 < dateStr.length() ) {
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day = dateStr.mid( currPos, 2 ).toInt();
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currPos += 2;
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} else
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return QDate();
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} else {
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currPos++;
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}
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}
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return QDate( year, month, day );
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}
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