summaryrefslogtreecommitdiffstats
path: root/tests/auto/xmlpatternssdk/ExternalSourceLoader.h
blob: 09da363bb00a697c03c307b12b167f558d7fa215 (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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef PatternistSDK_ExternalSourceLoader_H
#define PatternistSDK_ExternalSourceLoader_H

#include <QHash>
#include <QUrl>
#include <QXmlQuery>

#include "qdynamiccontext_p.h"
#include "qresourceloader_p.h"
#include "qexternalvariableloader_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternistSDK
{
    /**
     * @short Handles external variables in XQTS queries, such as <tt>$input-context</tt>,
     * by loading appropriate XML source files.
     *
     * @ingroup PatternistSDK
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class Q_PATTERNISTSDK_EXPORT ExternalSourceLoader : public QPatternist::ExternalVariableLoader
    {
    public:
        enum TargetOfURI
        {
            /**
             * Identifies @c input-file.
             */
            Document,

            /**
             * Identifies @c input-URI.
             */
            URI,

            /**
             * Identifies @c input-query.
             */
            Query
        };

        /**
         * The first is the complete, absolute, final URI to the file to be loaded,
         * and the second is the type of source found at that URI.
         */
        typedef QPair<QUrl, TargetOfURI> VariableValue;

        /**
         * In the XQTSCatalog.xml each source file in each test is referred to
         * by a key, which can be fully looked up in the @c sources element. This QHash
         * maps the keys to absolute URIs pointing to the source file.
         */
        typedef QHash<QString, QUrl> SourceMap;

        /**
         * The first value is the variable name, and the second is the URI identifying
         * the XML source file that's supposed to be loaded as a document.
         *
         * This is one for every test case, except for @c rdb-queries-results-q5,
         * @c rdb-queries-results-q17 and @c rdb-queries-results-q18(at least in XQTS 1.0).
         */
        typedef QHash<QString, VariableValue> VariableMap;

        ExternalSourceLoader(const VariableMap &varMap,
                             const QPatternist::ResourceLoader::Ptr &resourceLoader);

        virtual QPatternist::SequenceType::Ptr
        announceExternalVariable(const QXmlName name,
                                 const QPatternist::SequenceType::Ptr &declaredType);

        virtual QPatternist::Item
        evaluateSingleton(const QXmlName name,
                          const QPatternist::DynamicContext::Ptr &context);

        VariableMap variableMap() const
        {
            return m_variableMap;
        }

    private:
        const VariableMap                       m_variableMap;
        const QPatternist::ResourceLoader::Ptr  m_resourceLoader;
        QXmlQuery                               m_query;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif
// vim: et:ts=4:sw=4:sts=4