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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QVariant>

    43 

    44 #include "qabstractdatetime_p.h"

    45 #include "qabstractfloat_p.h"

    46 #include "qatomicstring_p.h"

    47 #include "qatomictype_p.h"

    48 #include "qboolean_p.h"

    49 #include "qbuiltintypes_p.h"

    50 #include "qdate_p.h"

    51 #include "qschemadatetime_p.h"

    52 #include "qderivedinteger_p.h"

    53 #include "qdynamiccontext_p.h"

    54 #include "qgenericsequencetype_p.h"

    55 #include "qhexbinary_p.h"

    56 #include "qinteger_p.h"

    57 #include "qpatternistlocale_p.h"

    58 #include "qqnamevalue_p.h"

    59 #include "qschematime_p.h"

    60 #include "qvalidationerror_p.h"

    61 

    62 #include "qitem_p.h"

    63 

    64 QT_BEGIN_NAMESPACE

    65 

    66 /**

    67  * @file

    68  * @short Contains the implementation for AtomicValue. The defintion is in qitem_p.h.

    69  */

    70 

    71 using namespace QPatternist;

    72 

    73 AtomicValue::~AtomicValue()

    74 {

    75 }

    76 

    77 bool AtomicValue::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &context) const

    78 {

    79     context->error(QtXmlPatterns::tr("A value of type %1 cannot have an "

    80                                      "Effective Boolean Value.")

    81                       .arg(formatType(context->namePool(), type())),

    82                       ReportContext::FORG0006,

    83                       QSourceLocation());

    84     return false; /* Silence GCC warning. */

    85 }

    86 

    87 bool AtomicValue::hasError() const

    88 {

    89     return false;

    90 }

    91 

    92 QVariant AtomicValue::toQt(const AtomicValue *const value)

    93 {

    94     Q_ASSERT_X(value, Q_FUNC_INFO,

    95                "Internal error, a null pointer cannot be passed.");

    96 

    97     const ItemType::Ptr t(value->type());

    98 

    99     if(BuiltinTypes::xsString->xdtTypeMatches(t)

   100        || BuiltinTypes::xsUntypedAtomic->xdtTypeMatches(t)

   101        || BuiltinTypes::xsAnyURI->xdtTypeMatches(t))

   102         return value->stringValue();

   103     /* Note, this occurs before the xsInteger test, since xs:unsignedLong

   104      * is a subtype of it. */

   105     else if(*BuiltinTypes::xsUnsignedLong == *t)

   106         return QVariant(value->as<DerivedInteger<TypeUnsignedLong> >()->storedValue());

   107     else if(BuiltinTypes::xsInteger->xdtTypeMatches(t))

   108         return QVariant(value->as<Numeric>()->toInteger());

   109     else if(BuiltinTypes::xsFloat->xdtTypeMatches(t)

   110             || BuiltinTypes::xsDouble->xdtTypeMatches(t)

   111             || BuiltinTypes::xsDecimal->xdtTypeMatches(t))

   112         return QVariant(value->as<Numeric>()->toDouble());

   113     /* We currently does not support xs:time. */

   114     else if(BuiltinTypes::xsDateTime->xdtTypeMatches(t))

   115         return QVariant(value->as<AbstractDateTime>()->toDateTime());

   116     else if(BuiltinTypes::xsDate->xdtTypeMatches(t))

   117         return QVariant(value->as<AbstractDateTime>()->toDateTime().toUTC().date());

   118     else if(BuiltinTypes::xsBoolean->xdtTypeMatches(t))

   119         return QVariant(value->as<Boolean>()->value());

   120     else if(BuiltinTypes::xsBase64Binary->xdtTypeMatches(t)

   121             || BuiltinTypes::xsHexBinary->xdtTypeMatches(t))

   122         return QVariant(value->as<Base64Binary>()->asByteArray());

   123     else if(BuiltinTypes::xsQName->xdtTypeMatches(t))

   124         return qVariantFromValue(value->as<QNameValue>()->qName());

   125     else

   126     {

   127         /* A type we don't support in Qt. Includes xs:time currently. */

   128         return QVariant();

   129     }

   130 }

   131 

   132 Item AtomicValue::toXDM(const QVariant &value)

   133 {

   134     Q_ASSERT_X(value.isValid(), Q_FUNC_INFO,

   135                "QVariants sent to Patternist must be valid.");

   136 

   137     switch(value.userType())

   138     {

   139         case QVariant::Char:

   140         /* Fallthrough. A single codepoint is a string in XQuery. */

   141         case QVariant::String:

   142             return AtomicString::fromValue(value.toString());

   143         case QVariant::Url:

   144         {

   145             /* QUrl doesn't follow the spec properly, so we

   146              * have to let it be an xs:string. Calling QVariant::toString()

   147              * on a QVariant that contains a QUrl returns, surprisingly,

   148              * an empty string. */

   149             return AtomicString::fromValue(value.toUrl().toString());

   150         }

   151         case QVariant::ByteArray:

   152             return HexBinary::fromValue(value.toByteArray());

   153         case QVariant::Int:

   154         /* Fallthrough. */

   155         case QVariant::LongLong:

   156         /* Fallthrough. */

   157         case QVariant::UInt:

   158             return Integer::fromValue(value.toLongLong());

   159         case QVariant::ULongLong:

   160             return DerivedInteger<TypeUnsignedLong>::fromValueUnchecked(value.toULongLong());

   161         case QVariant::Bool:

   162             return Boolean::fromValue(value.toBool());

   163         case QVariant::Time:

   164             return SchemaTime::fromDateTime(value.toDateTime());

   165         case QVariant::Date:

   166             return Date::fromDateTime(QDateTime(value.toDate(), QTime(), Qt::UTC));

   167         case QVariant::DateTime:

   168             return DateTime::fromDateTime(value.toDateTime());

   169         case QMetaType::Float:

   170             return Item(Double::fromValue(value.toFloat()));

   171         case QVariant::Double:

   172             return Item(Double::fromValue(value.toDouble()));

   173         default:

   174         {

   175             if (value.userType() == qMetaTypeId<float>())

   176             {

   177                 return Item(Float::fromValue(value.value<float>()));

   178             }

   179             else {

   180                 Q_ASSERT_X(false,

   181                            Q_FUNC_INFO,

   182                            qPrintable(QString::fromLatin1(

   183                                "QVariants of type %1 are not supported in "

   184                                "Patternist, see the documentation")

   185                                   .arg(QLatin1String(value.typeName()))));

   186                 return AtomicValue::Ptr();

   187             }

   188         }

   189     }

   190 }

   191 

   192 ItemType::Ptr AtomicValue::qtToXDMType(const QXmlItem &item)

   193 {

   194     Q_ASSERT(!item.isNull());

   195 

   196     if(item.isNull())

   197         return ItemType::Ptr();

   198 

   199     if(item.isNode())

   200         return BuiltinTypes::node;

   201 

   202     Q_ASSERT(item.isAtomicValue());

   203     const QVariant v(item.toAtomicValue());

   204 

   205     switch(v.type())

   206     {

   207         case QVariant::Char:

   208         /* Fallthrough. */

   209         case QVariant::String:

   210         /* Fallthrough. */

   211         case QVariant::Url:

   212             return BuiltinTypes::xsString;

   213         case QVariant::Bool:

   214             return BuiltinTypes::xsBoolean;

   215         case QVariant::ByteArray:

   216             return BuiltinTypes::xsBase64Binary;

   217         case QVariant::Int:

   218         /* Fallthrough. */

   219         case QVariant::LongLong:

   220             return BuiltinTypes::xsInteger;

   221         case QVariant::ULongLong:

   222             return BuiltinTypes::xsUnsignedLong;

   223         case QVariant::Date:

   224             return BuiltinTypes::xsDate;

   225         case QVariant::DateTime:

   226         /* Fallthrough. */

   227         case QVariant::Time:

   228             return BuiltinTypes::xsDateTime;

   229         case QVariant::Double:

   230             return BuiltinTypes::xsDouble;

   231         default:

   232             return ItemType::Ptr();

   233     }

   234 }

   235 

   236 QT_END_NAMESPACE