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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 /* |
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43 * NOTE: This file is included by qabstractfloatcasters_p.h |
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44 * if you need some includes, put them in qabstractfloatcasters_p.h (outside of the namespace) |
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45 */ |
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46 |
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47 template <const bool isDouble> |
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48 Item NumericToAbstractFloatCaster<isDouble>::castFrom(const Item &from, |
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49 const QExplicitlySharedDataPointer<DynamicContext> &) const |
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50 { |
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51 // toDouble() returns same thing than toFloat() |
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52 return toItem(AbstractFloat<isDouble>::fromValue(from.template as<Numeric>()->toDouble())); |
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53 } |
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54 |
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55 template <const bool isDouble> |
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56 Item StringToAbstractFloatCaster<isDouble>::castFrom(const Item &from, |
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57 const QExplicitlySharedDataPointer<DynamicContext> &) const |
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58 { |
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59 return toItem(AbstractFloat<isDouble>::fromLexical(from.stringValue())); |
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60 } |
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61 |
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62 template <const bool isDouble> |
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63 Item BooleanToAbstractFloatCaster<isDouble>::castFrom(const Item &from, |
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64 const QExplicitlySharedDataPointer<DynamicContext> &context) const |
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65 { |
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66 // RVCT doesn't like using template parameter in trinary operator when the trinary operator result is |
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67 // passed directly into another constructor. |
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68 bool tempDouble = isDouble; |
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69 if(from.template as<AtomicValue>()->evaluateEBV(context)) |
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70 return tempDouble ? toItem(CommonValues::DoubleOne) : toItem(CommonValues::FloatOne); |
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71 else |
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72 return tempDouble ? toItem(CommonValues::DoubleZero) : toItem(CommonValues::FloatZero); |
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73 } |
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74 |