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koffice/kspread/valueconverter.cc

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/* This file is part of the KDE project
Copyright 2004 Tomas Mecir <mecirt@gmail.com>
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 "valueconverter.h"
#include "kspread_locale.h"
#include "valueparser.h"
using namespace KSpread;
ValueConverter::ValueConverter (ValueParser* p) : parser( p )
{
}
KLocale* ValueConverter::locale()
{
return parser->locale();
}
Value ValueConverter::asBoolean (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (false);
break;
case Value::Boolean:
val = value;
break;
case Value::Integer:
val.setValue (value.asInteger() ? true : false);
break;
case Value::Float:
val.setValue ((value.asFloat() == 0.0) ? false : true);
break;
case Value::String:
val = parser->tryParseBool (value.asString(), &ok);
if (!ok)
val.setValue (false);
break;
case Value::Array:
val = asBoolean (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
val.setValue (false);
break;
};
return val;
}
Value ValueConverter::asInteger (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (0);
break;
case Value::Boolean:
val.setValue (value.asBoolean() ? 1 : 0);
break;
case Value::Integer:
val = value;
break;
case Value::Float:
val.setValue (value.asInteger());
break;
case Value::String:
val.setValue ((int) parser->tryParseNumber
(value.asString(), &ok).asFloat());
if (!ok)
val.setValue (0);
break;
case Value::Array:
val = asInteger (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
val.setValue (0);
break;
};
return val;
}
Value ValueConverter::asFloat (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (0.0);
break;
case Value::Boolean:
val.setValue (value.asBoolean() ? 1.0 : 0.0);
break;
case Value::Integer:
val.setValue (value.asFloat ());
break;
case Value::Float:
val = value;
break;
case Value::String:
val = parser->tryParseNumber (value.asString(), &ok);
if (!ok)
val.setValue (0.0);
break;
case Value::Array:
val = asFloat (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
val.setValue (0.0);
break;
};
return val;
}
Value ValueConverter::asNumeric (const Value &value) const
{
// as of now, we simply go to float; later on, further datatypes
// may be possible as a result of this
return asFloat (value);
}
Value ValueConverter::asString (const Value &value) const
{
// This is a simpler version of ValueFormatter... We cannot use that one,
// as we sometimes want to generate the string differently ...
Value val;
TQString s;
Value::Format fmt;
TQChar decimal_point;
int pos;
switch (value.type()) {
case Value::Empty:
val = TQString();
break;
case Value::Boolean:
val.setValue (value.asBoolean() ? parser->locale()->translate ("True") :
parser->locale()->translate ("False"));
break;
case Value::Integer:
{
fmt = value.format();
if (fmt == Value::fmt_Percent)
val = TQString::number (value.asInteger() * 100) + " %";
else if (fmt == Value::fmt_DateTime)
val = parser->locale()->formatDateTime (value.asDateTime());
else if (fmt == Value::fmt_Date)
val = parser->locale()->formatDate (value.asDate());
else if (fmt == Value::fmt_Time)
val = parser->locale()->formatTime (value.asTime());
else
val = TQString::number (value.asInteger());
}
break;
case Value::Float:
fmt = value.format();
if (fmt == Value::fmt_DateTime)
val = parser->locale()->formatDateTime (value.asDateTime());
else if (fmt == Value::fmt_Date)
val = parser->locale()->formatDate (value.asDate(), true);
else if (fmt == Value::fmt_Time)
val = parser->locale()->formatTime (value.asTime());
else
{
//convert the number, change decimal point from English to local
s = TQString::number (value.asFloat(), 'g', 10);
decimal_point = parser->locale()->decimalSymbol()[0];
if (decimal_point && ((pos = s.find ('.')) != -1))
s = s.replace (pos, 1, decimal_point);
if (fmt == Value::fmt_Percent)
s += " %";
val.setValue (s);
}
break;
case Value::String:
val = value;
break;
case Value::Array:
val = asString (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
val.setValue (value.errorMessage ());
break;
};
return val;
}
Value ValueConverter::asDateTime (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (TQDateTime::currentDateTime());
break;
case Value::Boolean:
//ignore the bool value... any better idea? ;)
val.setValue (TQDateTime::currentDateTime());
break;
case Value::Integer:
val.setValue (value.asFloat());
val.setFormat (Value::fmt_DateTime);
break;
case Value::Float:
val.setValue (value.asFloat());
val.setFormat (Value::fmt_DateTime);
break;
case Value::String:
//no DateTime parser, so we parse as Date, hoping for the best ...
val = parser->tryParseDate (value.asString(), &ok);
if (!ok)
val = Value::errorVALUE();
val.setFormat (Value::fmt_DateTime);
break;
case Value::Array:
val = asDateTime (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
break;
};
return val;
}
Value ValueConverter::asDate (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (TQDate::currentDate());
break;
case Value::Boolean:
//ignore the bool value... any better idea? ;)
val.setValue (TQDate::currentDate());
break;
case Value::Integer:
val.setValue (value.asFloat());
val.setFormat (Value::fmt_Date);
break;
case Value::Float:
val.setValue (value.asFloat());
val.setFormat (Value::fmt_Date);
break;
case Value::String:
val = parser->tryParseDate (value.asString(), &ok);
if (!ok)
val = Value::errorVALUE();
break;
case Value::Array:
val = asDate (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
break;
};
return val;
}
Value ValueConverter::asTime (const Value &value) const
{
Value val;
bool ok;
switch (value.type()) {
case Value::Empty:
val.setValue (TQTime::currentTime());
break;
case Value::Boolean:
//ignore the bool value... any better idea? ;)
val.setValue (TQTime::currentTime());
break;
case Value::Integer:
val.setValue (value.asInteger());
val.setFormat (Value::fmt_Time);
break;
case Value::Float:
val.setValue (value.asFloat());
val.setFormat (Value::fmt_Time);
break;
case Value::String:
val = parser->tryParseTime (value.asString(), &ok);
if (!ok)
val = Value::errorVALUE();
break;
case Value::Array:
val = asTime (value.element (0, 0));
break;
case Value::CellRange:
/* NOTHING */
break;
case Value::Error:
break;
};
return val;
}