summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/data/qatomicvalue.cpp
blob: 0d89c2f2a003816931d2312c084672c3f558f061 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QVariant>

#include "qabstractdatetime_p.h"
#include "qabstractfloat_p.h"
#include "qatomicstring_p.h"
#include "qatomictype_p.h"
#include "qboolean_p.h"
#include "qbuiltintypes_p.h"
#include "qdate_p.h"
#include "qschemadatetime_p.h"
#include "qderivedinteger_p.h"
#include "qdynamiccontext_p.h"
#include "qgenericsequencetype_p.h"
#include "qhexbinary_p.h"
#include "qinteger_p.h"
#include "qpatternistlocale_p.h"
#include "qqnamevalue_p.h"
#include "qschematime_p.h"
#include "qvalidationerror_p.h"

#include "qitem_p.h"

QT_BEGIN_NAMESPACE

/**
 * @file
 * @short Contains the implementation for AtomicValue. The definition is in qitem_p.h.
 */

using namespace QPatternist;

AtomicValue::~AtomicValue()
{
}

bool AtomicValue::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &context) const
{
    context->error(QtXmlPatterns::tr("A value of type %1 cannot have an "
                                     "Effective Boolean Value.")
                      .arg(formatType(context->namePool(), type())),
                      ReportContext::FORG0006,
                      QSourceLocation());
    return false; /* Silence GCC warning. */
}

bool AtomicValue::hasError() const
{
    return false;
}

QVariant AtomicValue::toQt(const AtomicValue *const value)
{
    Q_ASSERT_X(value, Q_FUNC_INFO,
               "Internal error, a null pointer cannot be passed.");

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

    if(BuiltinTypes::xsString->xdtTypeMatches(t)
       || BuiltinTypes::xsUntypedAtomic->xdtTypeMatches(t)
       || BuiltinTypes::xsAnyURI->xdtTypeMatches(t))
        return value->stringValue();
    /* Note, this occurs before the xsInteger test, since xs:unsignedLong
     * is a subtype of it. */
    else if(*BuiltinTypes::xsUnsignedLong == *t)
        return QVariant(value->as<DerivedInteger<TypeUnsignedLong> >()->storedValue());
    else if(BuiltinTypes::xsInteger->xdtTypeMatches(t))
        return QVariant(value->as<Numeric>()->toInteger());
    else if(BuiltinTypes::xsFloat->xdtTypeMatches(t)
            || BuiltinTypes::xsDouble->xdtTypeMatches(t)
            || BuiltinTypes::xsDecimal->xdtTypeMatches(t))
        return QVariant(value->as<Numeric>()->toDouble());
    /* We currently does not support xs:time. */
    else if(BuiltinTypes::xsDateTime->xdtTypeMatches(t))
        return QVariant(value->as<AbstractDateTime>()->toDateTime());
    else if(BuiltinTypes::xsDate->xdtTypeMatches(t))
        return QVariant(value->as<AbstractDateTime>()->toDateTime().toUTC().date());
    else if(BuiltinTypes::xsBoolean->xdtTypeMatches(t))
        return QVariant(value->as<Boolean>()->value());
    else if(BuiltinTypes::xsBase64Binary->xdtTypeMatches(t)
            || BuiltinTypes::xsHexBinary->xdtTypeMatches(t))
        return QVariant(value->as<Base64Binary>()->asByteArray());
    else if(BuiltinTypes::xsQName->xdtTypeMatches(t))
        return QVariant::fromValue(value->as<QNameValue>()->qName());
    else
    {
        /* A type we don't support in Qt. Includes xs:time currently. */
        return QVariant();
    }
}

Item AtomicValue::toXDM(const QVariant &value)
{
    Q_ASSERT_X(value.isValid(), Q_FUNC_INFO,
               "QVariants sent to Patternist must be valid.");

    switch(value.userType())
    {
        case QVariant::Char:
        /* Fallthrough. A single codepoint is a string in XQuery. */
        case QVariant::String:
            return AtomicString::fromValue(value.toString());
        case QVariant::Url:
        {
            /* QUrl doesn't follow the spec properly, so we
             * have to let it be an xs:string. Calling QVariant::toString()
             * on a QVariant that contains a QUrl returns, surprisingly,
             * an empty string. */
            return AtomicString::fromValue(value.toUrl().toString());
        }
        case QVariant::ByteArray:
            return HexBinary::fromValue(value.toByteArray());
        case QVariant::Int:
        /* Fallthrough. */
        case QVariant::LongLong:
        /* Fallthrough. */
        case QVariant::UInt:
            return Integer::fromValue(value.toLongLong());
        case QVariant::ULongLong:
            return DerivedInteger<TypeUnsignedLong>::fromValueUnchecked(value.toULongLong());
        case QVariant::Bool:
            return Boolean::fromValue(value.toBool());
        case QVariant::Time:
            return SchemaTime::fromDateTime(value.toDateTime());
        case QVariant::Date:
            return Date::fromDateTime(QDateTime(value.toDate(), QTime(), Qt::UTC));
        case QVariant::DateTime:
            return DateTime::fromDateTime(value.toDateTime());
        case QMetaType::Float:
            return Item(Double::fromValue(value.toFloat()));
        case QVariant::Double:
            return Item(Double::fromValue(value.toDouble()));
        default:
        {
            if (value.userType() == qMetaTypeId<float>())
            {
                return Item(Float::fromValue(value.value<float>()));
            }
            else {
                Q_ASSERT_X(false,
                           Q_FUNC_INFO,
                           qPrintable(QString::fromLatin1(
                               "QVariants of type %1 are not supported in "
                               "Patternist, see the documentation")
                                  .arg(QLatin1String(value.typeName()))));
                return AtomicValue::Ptr();
            }
        }
    }
}

ItemType::Ptr AtomicValue::qtToXDMType(const QXmlItem &item)
{
    Q_ASSERT(!item.isNull());

    if(item.isNull())
        return ItemType::Ptr();

    if(item.isNode())
        return BuiltinTypes::node;

    Q_ASSERT(item.isAtomicValue());
    const QVariant v(item.toAtomicValue());

    switch(int(v.type()))
    {
        case QVariant::Char:
        /* Fallthrough. */
        case QVariant::String:
        /* Fallthrough. */
        case QVariant::Url:
            return BuiltinTypes::xsString;
        case QVariant::Bool:
            return BuiltinTypes::xsBoolean;
        case QVariant::ByteArray:
            return BuiltinTypes::xsBase64Binary;
        case QVariant::Int:
        /* Fallthrough. */
        case QVariant::LongLong:
            return BuiltinTypes::xsInteger;
        case QVariant::ULongLong:
            return BuiltinTypes::xsUnsignedLong;
        case QVariant::Date:
            return BuiltinTypes::xsDate;
        case QVariant::DateTime:
        /* Fallthrough. */
        case QVariant::Time:
            return BuiltinTypes::xsDateTime;
        case QMetaType::Float:
	    return BuiltinTypes::xsFloat;
        case QVariant::Double:
            return BuiltinTypes::xsDouble;
        default:
            return ItemType::Ptr();
    }
}

QT_END_NAMESPACE