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
|
/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef Patternist_AnyURI_H
#define Patternist_AnyURI_H
#include <QUrl>
#include <QtDebug>
#include "qatomicstring_p.h"
#include "qbuiltintypes_p.h"
#include "qpatternistlocale_p.h"
#include "qreportcontext_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short A value of type <tt>xs:anyURI</tt>.
*
* Due to bugs in QUrl and slight differences in behavior and
* interpretation, QUrl can never be used directly for dealing with URIs,
* values of type @c xs:anyURI. Therefore, it's important to use the
* functionality this class provides, such as the functions toQUrl(),
* fromLexical(), isValid(), and resolveURI().
*
* @see QUrl
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_xdm
*/
class AnyURI : public AtomicString
{
public:
typedef QExplicitlySharedDataPointer<AnyURI> Ptr;
/**
* Creates an instance representing @p value.
*
* @note @p value must be a valid @c xs:anyURI. If it is of interest
* to construct from a lexical representation, use fromLexical().
*/
static AnyURI::Ptr fromValue(const QString &value);
static AnyURI::Ptr fromValue(const QUrl &uri);
/**
* @short Treates @p value as a lexical representation of @c xs:anyURI
* but returns the value instance as a QUrl.
*
* If @p value is not a valid lexical representation of @c xs:anyURI,
* an error is issued via @p context.
*
* If @p isValid is passed, no error is raised and it is instead set
* appropriately.
*/
template<const ReportContext::ErrorCode code, typename TReportContext>
static inline QUrl toQUrl(const QString &value,
const TReportContext &context,
const SourceLocationReflection *const r,
bool *const isValid = 0,
const bool issueError = true)
{
/* QUrl doesn't flag ":/..." so we workaround it. */
const QString simplified(value.simplified());
const QUrl uri(simplified, QUrl::StrictMode);
if(uri.isEmpty() || (uri.isValid() && (!simplified.startsWith(QLatin1Char(':')) || !uri.isRelative())))
{
if(isValid)
*isValid = true;
return uri;
}
else
{
if(isValid)
*isValid = false;
if(issueError)
{
context->error(QtXmlPatterns::tr("%1 is not a valid value of type %2.").arg(formatURI(value), formatType(context->namePool(), BuiltinTypes::xsAnyURI)),
code, r);
}
return QUrl();
}
}
/**
* @short Return @c true if @p candidate is a valid @c xs:anyURI,
* otherwise @c false.
*/
static bool isValid(const QString &candidate);
/**
* @short Constructs a @c xs:anyURI value from the lexical representation @p value.
*
* If @p value is not a valid lexical representation of @c xs:anyURI,
* an error is issued via @p context.
*/
template<const ReportContext::ErrorCode code, typename TReportContext>
static inline AnyURI::Ptr fromLexical(const QString &value,
const TReportContext &context,
const SourceLocationReflection *const r)
{
return AnyURI::Ptr(new AnyURI(toQUrl<code>(value, context, r).toString()));
}
/**
* If @p value is not a valid lexical representation for @c xs:anyURI,
* a ValidationError is returned.
*/
static AnyURI::Ptr fromLexical(const QString &value);
/**
* Creates an AnyURI instance representing an absolute URI which
* is created from resolving @p relative against @p base.
*
* This function must be compatible with the resolution semantics
* specified for fn:resolve-uri. In fact, the implementation of fn:resolve-uri,
* ResourceURIFN, relies on this function.
*
* @see <a href="http://www.faqs.org/rfcs/rfc3986.html">RFC 3986 - Uniform
* Resource Identifier (URI): Generic Syntax</a>
* @see <a href ="http://www.w3.org/TR/xpath-functions/#func-resolve-uri">XQuery 1.0
* and XPath 2.0 Functions and Operators, 8.1 fn:resolve-uri</a>
*/
static AnyURI::Ptr resolveURI(const QString &relative,
const QString &base);
virtual ItemType::Ptr type() const;
/**
* @short Returns this @c xs:anyURI value in a QUrl.
*/
inline QUrl toQUrl() const
{
Q_ASSERT_X(QUrl(m_value).isValid(), Q_FUNC_INFO,
qPrintable(QString::fromLatin1("%1 is apparently not ok for QUrl.").arg(m_value)));
return QUrl(m_value);
}
protected:
friend class CommonValues;
AnyURI(const QString &value);
};
/**
* @short Formats @p uri, that's considered to be a URI, for display.
*/
static inline QString formatURI(const NamePool::Ptr &np, const QXmlName::NamespaceCode &uri)
{
return formatURI(np->stringForNamespace(uri));
}
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
