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/* This file is part of the KDE project
Copyright 1998-2016 The Calligra Team <calligra-devel@kde.org>
Copyright 2016 Tomas Mecir <mecirt@gmail.com>
Copyright 2010 Marijn Kruisselbrink <mkruisselbrink@kde.org>
Copyright 2007 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
Copyright 2007 Thorsten Zachmann <zachmann@kde.org>
Copyright 2005-2006 Inge Wallin <inge@lysator.liu.se>
Copyright 2004 Ariya Hidayat <ariya@kde.org>
Copyright 2002-2003 Norbert Andres <nandres@web.de>
Copyright 2000-2002 Laurent Montel <montel@kde.org>
Copyright 2002 John Dailey <dailey@vt.edu>
Copyright 2002 Phillip Mueller <philipp.mueller@gmx.de>
Copyright 2000 Werner Trobin <trobin@kde.org>
Copyright 1999-2000 Simon Hausmann <hausmann@kde.org>
Copyright 1999 David Faure <faure@kde.org>
Copyright 1998-2000 Torben Weis <weis@kde.org>
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.
*/
#include "SheetsOdf.h"
#include "SheetsOdfPrivate.h"
#include "Region.h"
// This file contains functionality to load/save regions
namespace Calligra {
namespace Sheets {
static void append(const QChar *from, const QChar *to, QChar **dest)
{
while (from < to) {
**dest = *from;
++from;
++*dest;
}
}
void Odf::loadRegion(const QChar *&data, const QChar *&end, QChar *&out)
{
enum { Start, InQuotes } state = Start;
if (*data == QChar('$', 0)) {
++data;
}
bool isRange = false;
const QChar *pos = data;
while (data < end) {
switch (state) {
case Start:
switch (data->unicode()) {
case '\'': // quoted sheet name or named area
state = InQuotes;
break;
case '.': // sheet name separator
if (pos != data && !isRange) {
append(pos, data, &out);
*out = QChar('!', 0);
++out;
}
pos = data;
++pos;
break;
case ':': { // cell separator
isRange = true;
append(pos, data, &out);
*out = *data; // append :
++out;
const QChar * next = data + 1;
if (!next->isNull()) {
const QChar * nextnext = next + 1;
if (!nextnext->isNull() && *next == QChar('$', 0) && *nextnext != QChar('.', 0)) {
++data;
}
}
pos = data + 1;
} break;
case ' ': // range separator
append(pos, data, &out);
*out = QChar(';', 0);
++out;
pos = data;
break;
default:
break;
}
break;
case InQuotes:
if (data->unicode() == '\'') {
// an escaped apostrophe?
// As long as Calligra Sheets does not support fixed sheets eat the dollar sign.
const QChar * next = data + 1;
if (!next->isNull() && *next == QChar('\'', 0)) {
++data;
}
else { // the end
state = Start;
}
}
break;
}
++data;
}
append(pos, data, &out);
}
QString Odf::loadRegion(const QString& expression)
{
QString result;
QString temp;
bool isRange = false;
enum { Start, InQuotes } state = Start;
int i = 0;
// NOTE Stefan: As long as Calligra Sheets does not support fixed sheets eat the dollar sign.
if (expression[i] == '$')
++i;
while (i < expression.count()) {
switch (state) {
case Start: {
if (expression[i] == '\'') { // quoted sheet name or named area
temp.append(expression[i]);
state = InQuotes;
} else if (expression[i] == '.') { // sheet name separator
// was there already a sheet name?
if (!temp.isEmpty() && !isRange) {
result.append(temp);
result.append('!');
}
temp.clear();
} else if (expression[i] == ':') { // cell separator
isRange = true;
result.append(temp);
result.append(':');
temp.clear();
// NOTE Stefan: As long as Calligra Sheets does not support fixed sheets eat the dollar sign.
if (i + 2 < expression.count() && expression[i+1] == '$' && expression[i+2] != '.')
++i;
} else if (expression[i] == ' ') { // range separator
result.append(temp);
result.append(';');
temp.clear();
} else
temp.append(expression[i]);
++i;
break;
}
case InQuotes: {
temp.append(expression[i]);
if (expression[i] == '\'') {
// an escaped apostrophe?
if (i + 1 < expression.count() && expression[i+1] == '\'')
++i; // eat it
else // the end
state = Start;
}
++i;
break;
}
}
}
return result + temp;
}
QString Odf::saveRegion(const QString& expression)
{
QString result;
QString sheetName;
QString temp;
enum { Start, InQuotes } state = Start;
int i = 0;
while (i < expression.count()) {
switch (state) {
case Start: {
if (expression[i] == '\'') {
temp.append(expression[i]);
state = InQuotes;
} else if (expression[i] == '!') { // sheet name separator
// There has to be a sheet name.
if (temp.isEmpty())
return expression; // error
if (temp.count() > 2 && (temp[0] != '\'' && temp[temp.count()-1] != '\'')) {
temp.replace('\'', "''");
if (temp.contains(' ') || temp.contains('.') ||
temp.contains(';') || temp.contains('!') ||
temp.contains('$') || temp.contains(']'))
temp = '\'' + temp + '\'';
}
sheetName = temp;
result.append(temp);
result.append('.');
temp.clear();
} else if (expression[i] == ':') { // cell separator
if (result.isEmpty())
result = '.';
result.append(temp);
result.append(':');
result.append(sheetName);
result.append('.');
temp.clear();
} else if (expression[i] == ';') { // range separator
result.append(temp);
result.append(' ');
temp.clear();
} else
temp.append(expression[i]);
++i;
break;
}
case InQuotes: {
temp.append(expression[i]);
if (expression[i] == '\'') {
// an escaped apostrophe?
if (i + 1 < expression.count() && expression[i+1] == '\'')
++i; // eat it
else // the end
state = Start;
}
++i;
break;
}
}
}
if (result.isEmpty())
result = '.';
return result + temp;
}
QString Odf::saveRegion(Region *region)
{
return saveRegion(region->name());
}
} // Sheets
} // Calligra
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