summaryrefslogtreecommitdiff
path: root/src/xmlpatterns/expr/qcommentconstructor.cpp
blob: a6759dc9bec6b5f6603b7af477567460a4f05304 (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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qcommonsequencetypes_p.h"
#include "qpatternistlocale_p.h"
#include "qnodebuilder_p.h"

#include "qcommentconstructor_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

CommentConstructor::CommentConstructor(const Expression::Ptr &op) : SingleContainer(op)
{
}

QString CommentConstructor::evaluateContent(const DynamicContext::Ptr &context) const
{
    const Item item(m_operand->evaluateSingleton(context));

    if(!item)
        return QString();

    const QString content(item.stringValue());

    if(content.contains(QLatin1String("--")))
    {
        context->error(QtXmlPatterns::tr("A comment cannot contain %1")
                       .arg(formatData("--")),
                       ReportContext::XQDY0072, this);
    }
    else if(content.endsWith(QLatin1Char('-')))
    {
        context->error(QtXmlPatterns::tr("A comment cannot end with a %1.")
                       .arg(formatData(QLatin1Char('-'))),
                       ReportContext::XQDY0072, this);
    }

    return content;
}

Item CommentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
{
    const QString content(evaluateContent(context));
    const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
    nodeBuilder->comment(content);

    const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
    context->addNodeModel(nm);

    return nm->root(QXmlNodeModelIndex());
}

void CommentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
{
    const QString content(evaluateContent(context));
    QAbstractXmlReceiver *const receiver = context->outputReceiver();

    receiver->comment(content);
}

SequenceType::Ptr CommentConstructor::staticType() const
{
    return CommonSequenceTypes::ExactlyOneComment;
}

SequenceType::List CommentConstructor::expectedOperandTypes() const
{
    SequenceType::List result;
    result.append(CommonSequenceTypes::ZeroOrOneString);
    return result;
}

Expression::Properties CommentConstructor::properties() const
{
    return DisableElimination | IsNodeConstructor;
}

ExpressionVisitorResult::Ptr
CommentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
{
    return visitor->visit(this);
}

QT_END_NAMESPACE