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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 #include "qatomictype_p.h" |
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43 #include "qbuiltintypes_p.h" |
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44 #include "qcommonvalues_p.h" |
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45 #include "qdynamiccontext_p.h" |
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46 #include "qpatternistlocale_p.h" |
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47 #include "qvalidationerror_p.h" |
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48 |
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49 #include "qboolean_p.h" |
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50 |
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51 QT_BEGIN_NAMESPACE |
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52 |
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53 using namespace QPatternist; |
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54 |
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55 bool Boolean::evaluateEBV(const Item::Iterator::Ptr &it, |
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56 const QExplicitlySharedDataPointer<DynamicContext> &context) |
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57 { |
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58 return evaluateEBV(it->next(), it, context); |
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59 } |
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60 |
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61 bool Boolean::evaluateEBV(const Item &first, |
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62 const Item::Iterator::Ptr &it, |
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63 const QExplicitlySharedDataPointer<DynamicContext> &context) |
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64 { |
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65 Q_ASSERT(it); |
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66 Q_ASSERT(context); |
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67 |
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68 if(!first) |
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69 return false; |
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70 else if(first.isNode()) |
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71 return true; |
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72 |
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73 const Item second(it->next()); |
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74 |
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75 if(second) |
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76 { |
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77 Q_ASSERT(context); |
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78 context->error(QtXmlPatterns::tr("Effective Boolean Value cannot be calculated for a sequence " |
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79 "containing two or more atomic values."), |
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80 ReportContext::FORG0006, |
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81 QSourceLocation()); |
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82 return false; |
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83 } |
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84 else |
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85 return first.as<AtomicValue>()->evaluateEBV(context); |
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86 } |
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87 |
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88 bool Boolean::evaluateEBV(const Item &item, |
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89 const QExplicitlySharedDataPointer<DynamicContext> &context) |
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90 { |
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91 if(!item) |
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92 return false; |
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93 else if(item.isNode()) |
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94 return true; |
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95 else |
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96 return item.as<AtomicValue>()->evaluateEBV(context); |
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97 } |
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98 |
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99 Boolean::Boolean(const bool value) : m_value(value) |
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100 { |
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101 } |
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102 |
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103 QString Boolean::stringValue() const |
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104 { |
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105 return m_value |
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106 ? CommonValues::TrueString->stringValue() |
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107 : CommonValues::FalseString->stringValue(); |
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108 } |
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109 |
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110 bool Boolean::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const |
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111 { |
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112 return m_value; |
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113 } |
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114 |
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115 Boolean::Ptr Boolean::fromValue(const bool value) |
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116 { |
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117 return value ? CommonValues::BooleanTrue : CommonValues::BooleanFalse; |
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118 } |
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119 |
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120 AtomicValue::Ptr Boolean::fromLexical(const QString &lexical) |
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121 { |
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122 const QString val(lexical.trimmed()); /* Apply the whitespace facet. */ |
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123 |
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124 if(val == QLatin1String("true") || val == QChar(QLatin1Char('1'))) |
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125 return CommonValues::BooleanTrue; |
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126 else if(val == QLatin1String("false") || val == QChar(QLatin1Char('0'))) |
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127 return CommonValues::BooleanFalse; |
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128 else |
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129 return ValidationError::createError(); |
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130 } |
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131 |
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132 ItemType::Ptr Boolean::type() const |
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133 { |
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134 return BuiltinTypes::xsBoolean; |
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135 } |
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136 |
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137 QT_END_NAMESPACE |