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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 "qcommonvalues_p.h" |
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43 #include "qpatternistlocale_p.h" |
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44 #include "qschemanumeric_p.h" |
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45 #include "qatomicstring_p.h" |
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46 #include "qtocodepointsiterator_p.h" |
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47 |
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48 #include "qassemblestringfns_p.h" |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 using namespace QPatternist; |
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53 |
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54 /* |
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55 * Determines whether @p cp is a valid XML 1.0 character. |
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56 * |
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57 * @see <a href="http://www.w3.org/TR/REC-xml/#charsets">Extensible Markup |
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58 * Language (XML) 1.0 (Third Edition)2.2 Characters</a> |
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59 */ |
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60 static inline bool isValidXML10Char(const qint32 cp) |
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61 { |
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62 /* [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | |
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63 * [#xE000-#xFFFD] | [#x10000-#x10FFFF] |
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64 */ |
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65 return (cp == 0x9 || |
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66 cp == 0xA || |
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67 cp == 0xD || |
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68 (0x20 <= cp && cp <= 0xD7FF) || |
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69 (0xE000 <= cp && cp <= 0xFFFD) || |
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70 (0x10000 <= cp && cp <= 0x10FFFF)); |
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71 } |
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72 |
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73 Item CodepointsToStringFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
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74 { |
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75 const Item::Iterator::Ptr it(m_operands.first()->evaluateSequence(context)); |
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76 |
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77 if(!it) |
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78 return CommonValues::EmptyString; |
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79 |
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80 QString retval; |
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81 Item item(it->next()); |
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82 while(item) |
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83 { |
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84 const qint32 cp = static_cast<qint32>(item.as<Numeric>()->toInteger()); |
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85 |
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86 if(!isValidXML10Char(cp)) |
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87 { |
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88 context->error(QtXmlPatterns::tr("%1 is not a valid XML 1.0 character.") |
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89 .arg(formatData(QLatin1String("0x") + |
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90 QString::number(cp, 16))), |
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91 ReportContext::FOCH0001, this); |
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92 |
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93 return CommonValues::EmptyString; |
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94 } |
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95 retval.append(QChar(cp)); |
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96 item = it->next(); |
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97 } |
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98 |
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99 return AtomicString::fromValue(retval); |
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100 } |
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101 |
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102 Item::Iterator::Ptr StringToCodepointsFN::evaluateSequence(const DynamicContext::Ptr &context) const |
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103 { |
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104 const Item item(m_operands.first()->evaluateSingleton(context)); |
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105 if(!item) |
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106 return CommonValues::emptyIterator; |
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107 |
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108 const QString str(item.stringValue()); |
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109 if(str.isEmpty()) |
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110 return CommonValues::emptyIterator; |
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111 else |
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112 return Item::Iterator::Ptr(new ToCodepointsIterator(str)); |
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113 } |
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114 |
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115 QT_END_NAMESPACE |