Introduce new class CellReference
This commit is contained in:
Debao Zhang
@@ -32,6 +32,7 @@ HEADERS += $$PWD/xlsxdocpropscore_p.h \
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$$PWD/xlsxcell_p.h \
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$$PWD/xlsxdatavalidation.h \
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$$PWD/xlsxdatavalidation_p.h \
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$$PWD/xlsxcellreference.h \
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$$PWD/xlsxcellrange.h \
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$$PWD/xlsxrichstring_p.h \
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$$PWD/xlsxrichstring.h \
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@@ -66,6 +67,7 @@ SOURCES += $$PWD/xlsxdocpropscore.cpp \
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$$PWD/xlsxdocument.cpp \
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$$PWD/xlsxcell.cpp \
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$$PWD/xlsxdatavalidation.cpp \
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$$PWD/xlsxcellreference.cpp \
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$$PWD/xlsxcellrange.cpp \
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$$PWD/xlsxrichstring.cpp \
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$$PWD/xlsxconditionalformatting.cpp \
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@@ -0,0 +1,182 @@
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/****************************************************************************
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** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
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** All right reserved.
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**
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** Permission is hereby granted, free of charge, to any person obtaining
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** a copy of this software and associated documentation files (the
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** "Software"), to deal in the Software without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be
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** included in all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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****************************************************************************/
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#include "xlsxcellreference.h"
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#include <QStringList>
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#include <QMap>
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#include <QRegularExpression>
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QT_BEGIN_NAMESPACE_XLSX
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namespace {
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int intPow(int x, int p)
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{
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if (p == 0) return 1;
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if (p == 1) return x;
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int tmp = intPow(x, p/2);
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if (p%2 == 0) return tmp * tmp;
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else return x * tmp * tmp;
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}
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QString col_to_name(int col_num)
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{
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static QMap<int, QString> col_cache;
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if (!col_cache.contains(col_num)) {
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QString col_str;
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int remainder;
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while (col_num) {
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remainder = col_num % 26;
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if (remainder == 0)
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remainder = 26;
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col_str.prepend(QChar('A'+remainder-1));
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col_num = (col_num - 1) / 26;
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}
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col_cache.insert(col_num, col_str);
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}
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return col_cache[col_num];
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}
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int col_from_name(const QString &col_str)
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{
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int col = 0;
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int expn = 0;
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for (int i=col_str.size()-1; i>-1; --i) {
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col += (col_str[i].unicode() - 'A' + 1) * intPow(26, expn);
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expn++;
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}
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return col;
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}
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} //namespace
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/*!
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\class CellReference
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\brief For one single cell such as "A1"
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\inmodule QtXlsx
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The CellReference class stores the cell location in a worksheet.
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*/
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/*!
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Constructs an invalid Cell Reference
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*/
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CellReference::CellReference()
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: _row(-1), _column(-1)
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{
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}
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/*!
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Constructs the Reference from the given \a row, and \a column.
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*/
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CellReference::CellReference(int row, int column)
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: _row(row), _column(column)
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{
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}
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/*!
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\overload
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Constructs the Reference form the given \a cell string.
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*/
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CellReference::CellReference(const QString &cell)
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{
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init(cell);
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}
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/*!
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\overload
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Constructs the Reference form the given \a cell string.
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*/
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CellReference::CellReference(const char *cell)
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{
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init(QString::fromLatin1(cell));
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}
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void CellReference::init(const QString &cell_str)
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{
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static QRegularExpression re(QStringLiteral("^\\$?([A-Z]{1,3})\\$?(\\d+)$"));
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QRegularExpressionMatch match = re.match(cell_str);
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if (match.hasMatch()) {
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const QString col_str = match.captured(1);
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const QString row_str = match.captured(2);
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_row = row_str.toInt();
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_column = col_from_name(col_str);
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}
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}
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/*!
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Constructs a Reference by copying the given \a
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other Reference.
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*/
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CellReference::CellReference(const CellReference &other)
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: _row(other._row), _column(other._column)
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{
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}
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/*!
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Destroys the Reference.
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*/
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CellReference::~CellReference()
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{
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}
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/*!
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Convert the Reference to string notation, such as "A1" or "$A$1".
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If current object is invalid, an empty string will be returned.
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*/
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QString CellReference::toString(bool row_abs, bool col_abs) const
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{
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if (!isValid())
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return QString();
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QString cell_str;
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if (col_abs)
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cell_str.append(QLatin1Char('$'));
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cell_str.append(col_to_name(_column));
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if (row_abs)
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cell_str.append(QLatin1Char('$'));
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cell_str.append(QString::number(_row));
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return cell_str;
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}
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/*!
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Returns a CellReference equivalent of the string \a cell
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*/
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CellReference CellReference::fromString(const QString &cell)
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{
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return CellReference(cell);
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}
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/*!
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* Returns true if the Reference is valid.
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*/
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bool CellReference::isValid() const
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{
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return _row > 0 && _column > 0;
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}
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QT_END_NAMESPACE_XLSX
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@@ -0,0 +1,66 @@
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/****************************************************************************
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** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
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** All right reserved.
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**
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** Permission is hereby granted, free of charge, to any person obtaining
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** a copy of this software and associated documentation files (the
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** "Software"), to deal in the Software without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
|
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** distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be
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** included in all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
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** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
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** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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****************************************************************************/
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#ifndef QXLSX_XLSXCELLREFERENCE_H
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#define QXLSX_XLSXCELLREFERENCE_H
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#include "xlsxglobal.h"
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QT_BEGIN_NAMESPACE_XLSX
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class Q_XLSX_EXPORT CellReference
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{
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public:
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CellReference();
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CellReference(int row, int column);
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CellReference(const QString &cell);
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CellReference(const char *cell);
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CellReference(const CellReference &other);
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~CellReference();
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QString toString(bool row_abs=false, bool col_abs=false) const;
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static CellReference fromString(const QString &cell);
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bool isValid() const;
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inline void setRow(int row) { _row = row; }
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inline void setColumn(int col) { _column = col; }
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inline int row() const { return _row; }
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inline int column() const { return _column; }
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inline bool operator ==(const CellReference &other) const
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{
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return _row==other._row && _column==other._column;
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}
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inline bool operator !=(const CellReference &other) const
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{
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return _row!=other._row || _column!=other._column;
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}
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private:
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void init(const QString &cell);
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int _row, _column;
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};
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QT_END_NAMESPACE_XLSX
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Q_DECLARE_TYPEINFO(QXlsx::CellReference, Q_MOVABLE_TYPE);
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#endif // QXLSX_XLSXCELLREFERENCE_H
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+2
-1
@@ -11,4 +11,5 @@ SUBDIRS=\
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styles \
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format \
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richstring \
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xlsxconditionalformatting
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xlsxconditionalformatting \
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cellreference
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@@ -0,0 +1,19 @@
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#-------------------------------------------------
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#
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# Project created by QtCreator 2013-08-30T11:16:26
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#
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#-------------------------------------------------
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QT += testlib xlsx #xlsx-private
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CONFIG += testcase
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DEFINES += XLSX_TEST
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TARGET = tst_cellreferencetest
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CONFIG += console
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CONFIG -= app_bundle
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TEMPLATE = app
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SOURCES += tst_cellreferencetest.cpp
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DEFINES += SRCDIR=\\\"$$PWD/\\\"
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@@ -0,0 +1,83 @@
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#include "xlsxcellreference.h"
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#include <QString>
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#include <QtTest>
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using namespace QXlsx;
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class CellReferenceTest : public QObject
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{
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Q_OBJECT
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public:
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CellReferenceTest();
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private Q_SLOTS:
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void test_toString_data();
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void test_toString();
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void test_fromString_data();
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void test_fromString();
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};
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CellReferenceTest::CellReferenceTest()
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{
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}
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void CellReferenceTest::test_fromString()
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{
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QFETCH(QString, cell);
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QFETCH(int, row);
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QFETCH(int, col);
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CellReference pos = CellReference::fromString(cell);
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QCOMPARE(pos.row(), row);
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QCOMPARE(pos.column(), col);
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}
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void CellReferenceTest::test_fromString_data()
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{
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QTest::addColumn<QString>("cell");
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QTest::addColumn<int>("row");
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QTest::addColumn<int>("col");
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QTest::newRow("A1") << "A1" << 1 << 1;
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QTest::newRow("B1") << "B1" << 1 << 2;
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QTest::newRow("C1") << "C1" << 1 << 3;
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QTest::newRow("J1") << "J1" << 1 << 10;
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QTest::newRow("A2") << "A2" << 2 << 1;
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QTest::newRow("A3") << "A3" << 3 << 1;
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QTest::newRow("A10") << "$A10" << 10 << 1;
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QTest::newRow("Z8") << "Z$8" << 8 << 26;
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QTest::newRow("AA10") << "$AA$10" << 10 << 27;
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QTest::newRow("IU2") << "IU2" << 2 << 255;
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QTest::newRow("XFD1") << "XFD1" << 1 << 16384;
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QTest::newRow("XFE1048577") << "XFE1048577" << 1048577 << 16385;
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}
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void CellReferenceTest::test_toString()
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{
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QFETCH(int, row);
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QFETCH(int, col);
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QFETCH(bool, row_abs);
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QFETCH(bool, col_abs);
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QFETCH(QString, cell);
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QCOMPARE(CellReference(row,col).toString(row_abs, col_abs), cell);
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}
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void CellReferenceTest::test_toString_data()
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{
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QTest::addColumn<int>("row");
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QTest::addColumn<int>("col");
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QTest::addColumn<bool>("row_abs");
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QTest::addColumn<bool>("col_abs");
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QTest::addColumn<QString>("cell");
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QTest::newRow("simple") << 1 << 1 << false << false << "A1";
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QTest::newRow("rowabs") << 1 << 1 << true << false << "A$1";
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QTest::newRow("colabs") << 1 << 1 << false << true << "$A1";
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QTest::newRow("bothabs") << 1 << 1 << true << true << "$A$1";
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QTest::newRow("...") << 1048577 << 16385 << false << false << "XFE1048577";
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}
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QTEST_APPLESS_MAIN(CellReferenceTest)
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#include "tst_cellreferencetest.moc"
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