qt/LedOK/xlsx/xlsxnumformatparser.cpp
2022-08-25 18:37:24 +08:00

95 lines
3.1 KiB
C++

/****************************************************************************
** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#include "xlsxnumformatparser_p.h"
#include <QString>
namespace QXlsx {
bool NumFormatParser::isDateTime(const QString &formatCode)
{
for (int i = 0; i < formatCode.length(); ++i) {
const QChar &c = formatCode[i];
switch (c.unicode()) {
case '[':
// [h], [m], [s] are valid format for time
if (i < formatCode.length() - 2 && formatCode[i + 2] == QLatin1Char(']')) {
const QChar cc = formatCode[i + 1].toLower();
if (cc == QLatin1Char('h') || cc == QLatin1Char('m') || cc == QLatin1Char('s'))
return true;
i += 2;
break;
} else {
// condition or color: don't care, ignore
while (i < formatCode.length() && formatCode[i] != QLatin1Char(']'))
++i;
break;
}
// quoted plain text block: don't care, ignore
case '"':
while (i < formatCode.length() - 1 && formatCode[++i] != QLatin1Char('"'))
;
break;
// escaped char: don't care, ignore
case '\\':
if (i < formatCode.length() - 1)
++i;
break;
// date/time can only be positive number,
// so only the first section of the format make sense.
case ';':
return false;
break;
// days
case 'D':
case 'd':
// years
case 'Y':
case 'y':
// hours
case 'H':
case 'h':
// seconds
case 'S':
case 's':
// minutes or months, depending on context
case 'M':
case 'm':
return true;
default:
break;
}
}
return false;
}
} // namespace QXlsx