summaryrefslogtreecommitdiff
path: root/xmloff/source/xforms/TokenContext.cxx
blob: 3af25dc965e7496802e2f5b62df1f6006273f7ee (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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include "TokenContext.hxx"
#include <xmloff/xmltkmap.hxx>
#include <xmloff/xmlimp.hxx>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlerror.hxx>

#include <algorithm>

using com::sun::star::uno::Reference;
using com::sun::star::xml::sax::XAttributeList;

const SvXMLTokenMapEntry aEmptyMap[1] =
{
    XML_TOKEN_MAP_END
};

TokenContext::TokenContext( SvXMLImport& rImport,
                            sal_uInt16 nPrefix,
                            const OUString& rLocalName,
                            const SvXMLTokenMapEntry* pAttributes,
                            const SvXMLTokenMapEntry* pChildren )
    : SvXMLImportContext( rImport, nPrefix, rLocalName ),
      mpAttributes( pAttributes ),
      mpChildren( pChildren )
{
}

void TokenContext::StartElement(
    const Reference<XAttributeList>& xAttributeList )
{
    // iterate over attributes
    // - if in map: call HandleAttribute
    // - xmlns:... : ignore
    // - other: warning
    SAL_WARN_IF( mpAttributes == nullptr, "xmloff", "no token map for attributes" );
    SvXMLTokenMap aMap( mpAttributes );

    sal_Int16 nCount = xAttributeList->getLength();
    for( sal_Int16 i = 0; i < nCount; i++ )
    {
        // get key/local-name pair from namespace map
        OUString sLocalName;
        sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
            GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );

        // get token from token map
        sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );

        // and the value...
        const OUString& rValue = xAttributeList->getValueByIndex(i);

        if( nToken != XML_TOK_UNKNOWN )
        {
            HandleAttribute( nToken, rValue );
        }
        else if( nPrefix != XML_NAMESPACE_XMLNS )
        {
            // error handling, for all attribute that are not
            // namespace declarations
            GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
                                  sLocalName, rValue);
        }
    }
}

SvXMLImportContextRef TokenContext::CreateChildContext(
    sal_uInt16 nPrefix,
    const OUString& rLocalName,
    const Reference<XAttributeList>& xAttrList )
{
    // call HandleChild for elements in token map. Ignore other content.

    SvXMLImportContext* pContext = nullptr;

    SAL_WARN_IF( mpChildren == nullptr, "xmloff", "no token map for child elements" );
    SvXMLTokenMap aMap( mpChildren );
    sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
    if( nToken != XML_TOK_UNKNOWN )
    {
        // call handle child, and pass down arguments
        pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
    }

    // error handling: create default context and generate warning
    if( pContext == nullptr )
    {
        GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
        pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
    }
    return pContext;
}

static bool lcl_IsWhiteSpace( sal_Unicode c )
{
    return c == ' '
        || c == u'\x0009'
        || c == u'\x000A'
        || c == u'\x000D';
}

void TokenContext::Characters( const OUString& rCharacters )
{
    // get iterators for string data
    const sal_Unicode* pBegin = rCharacters.getStr();
    const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );

    // raise error if non-whitespace character is found
    if( !::std::all_of( pBegin, pEnd, lcl_IsWhiteSpace ) )
        GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */