blob: 32b31a92d70330d9564d74ed984e087e00c71489 (
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
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qcommonsequencetypes_p.h"
#include "qpatternistlocale_p.h"
#include "qnodebuilder_p.h"
#include "qqnamevalue_p.h"
#include "qprocessinginstructionconstructor_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ProcessingInstructionConstructor::
ProcessingInstructionConstructor(const Expression::Ptr &op1,
const Expression::Ptr &op2) : PairContainer(op1, op2)
{
}
QString ProcessingInstructionConstructor::leftTrimmed(const QString &input)
{
const int len = input.length();
for(int i = 0; i < len; ++i)
{
if(!input.at(i).isSpace())
return input.mid(i);
}
return QString(); /* input consists only of whitespace. All was trimmed. */
}
QString ProcessingInstructionConstructor::data(const DynamicContext::Ptr &context) const
{
const Item name(m_operand1->evaluateSingleton(context));
const Item dataArg(m_operand2->evaluateSingleton(context));
if(dataArg)
{
/* Perform trimming before validation, to increase speed. */
const QString value(leftTrimmed(dataArg.stringValue()));
if(value.contains(QLatin1String("?>")))
{
context->error(QtXmlPatterns::tr("The data of a processing instruction cannot contain the string %1").arg(formatData("?>")),
ReportContext::XQDY0026, this);
return QString();
}
else
return value;
}
else
return QString();
}
QXmlName ProcessingInstructionConstructor::evaluateTardata(const DynamicContext::Ptr &context) const
{
const Item name(m_operand1->evaluateSingleton(context));
return context->namePool()->allocateQName(QString(), name.stringValue());
}
Item ProcessingInstructionConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
nodeBuilder->processingInstruction(evaluateTardata(context), data(context));
const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
context->addNodeModel(nm);
return nm->root(QXmlNodeModelIndex());
}
void ProcessingInstructionConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
{
QAbstractXmlReceiver *const receiver = context->outputReceiver();
receiver->processingInstruction(evaluateTardata(context), data(context));
}
SequenceType::Ptr ProcessingInstructionConstructor::staticType() const
{
return CommonSequenceTypes::ExactlyOneProcessingInstruction;
}
SequenceType::List ProcessingInstructionConstructor::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ExactlyOneString);
result.append(CommonSequenceTypes::ZeroOrOneString);
return result;
}
Expression::Properties ProcessingInstructionConstructor::properties() const
{
return DisableElimination | IsNodeConstructor;
}
ExpressionVisitorResult::Ptr
ProcessingInstructionConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
QT_END_NAMESPACE
|
