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
|
/* -*- 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 .
*/
#ifndef INCLUDED_SAX_FSHELPER_HXX
#define INCLUDED_SAX_FSHELPER_HXX
#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ref.hxx>
#include <sax/saxdllapi.h>
#include <optional>
#include <memory>
#include <string_view>
#include <utility>
namespace com::sun::star::io { class XOutputStream; }
namespace sax_fastparser { class FastAttributeList; }
constexpr sal_Int32 FSNS(sal_Int32 namespc, sal_Int32 element) { return (namespc << 16) | element; }
namespace sax_fastparser {
enum class MergeMarks { APPEND = 0, PREPEND = 1, POSTPONE = 2};
class FastSaxSerializer;
class SAX_DLLPUBLIC FastSerializerHelper
{
public:
FastSerializerHelper( const css::uno::Reference< css::io::XOutputStream >& xOutputStream, bool bWriteHeader );
~FastSerializerHelper();
void startDocument();
void endDocument();
/// Start an element. After the first argument there can be a number of (attribute, value) pairs.
template<typename... Args>
void startElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args)
{
if (value)
pushAttributeValue(attribute, value);
startElement(elementTokenId, std::forward<Args>(args)...);
}
template<typename... Args>
void startElement(sal_Int32 elementTokenId, sal_Int32 attribute,
const std::optional<OString>& value, Args&&... args)
{
if (value)
pushAttributeValue(attribute, *value);
startElement(elementTokenId, std::forward<Args>(args)...);
}
template<typename... Args>
void startElement(sal_Int32 elementTokenId, sal_Int32 attribute,
const std::optional<OUString>& value, Args&&... args)
{
std::optional<OString> opt;
if (value)
opt = value->toUtf8();
startElement(elementTokenId, attribute, opt, std::forward<Args>(args)...);
}
void startElement(sal_Int32 elementTokenId);
/// Start an element. After the first two arguments there can be a number of (attribute, value) pairs.
template<typename... Args>
void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, Args &&... args)
{
startElement(FSNS(namespaceTokenId, elementTokenId), std::forward<Args>(args)...);
}
/// Create a single element. After the first argument there can be a number of (attribute, value) pairs.
template<typename... Args>
void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args)
{
if (value)
pushAttributeValue(attribute, value);
singleElement(elementTokenId, std::forward<Args>(args)...);
}
template<typename... Args>
void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute,
const std::optional<OString>& value, Args&&... args)
{
if (value)
pushAttributeValue(attribute, *value);
singleElement(elementTokenId, std::forward<Args>(args)...);
}
template<typename... Args>
void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute,
const std::optional<OUString>& value, Args&&... args)
{
std::optional<OString> opt;
if (value)
opt = value->toUtf8();
singleElement(elementTokenId, attribute, opt, std::forward<Args>(args)...);
}
void singleElement(sal_Int32 elementTokenId);
/// Create a single element. After the first two arguments there can be a number of (attribute, value) pairs.
template<typename... Args>
void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, Args &&... args)
{
singleElement(FSNS(namespaceTokenId, elementTokenId), std::forward<Args>(args)...);
}
void endElement(sal_Int32 elementTokenId);
void endElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId)
{ endElement( FSNS( namespaceTokenId, elementTokenId ) ); }
void singleElement(sal_Int32 elementTokenId, const rtl::Reference<FastAttributeList>& xAttrList);
void startElement(sal_Int32 elementTokenId, const rtl::Reference<FastAttributeList>& xAttrList);
FastSerializerHelper* write(const char* value);
FastSerializerHelper* write(const OString& value);
FastSerializerHelper* write(std::u16string_view value);
FastSerializerHelper* write(sal_Int32 value);
FastSerializerHelper* write(sal_Int64 value);
FastSerializerHelper* write(double value);
FastSerializerHelper* writeEscaped(const char* value);
FastSerializerHelper* writeEscaped(std::u16string_view value);
FastSerializerHelper* writeId(sal_Int32 tokenId);
css::uno::Reference< css::io::XOutputStream > const & getOutputStream() const;
static rtl::Reference<FastAttributeList> createAttrList();
void mark(sal_Int32 nTag,
const css::uno::Sequence< sal_Int32 >& rOrder =
css::uno::Sequence< sal_Int32 >() );
void mergeTopMarks(sal_Int32 nTag,
MergeMarks eMergeType = MergeMarks::APPEND );
void setAllowXEscape(bool bSet);
private:
void pushAttributeValue( sal_Int32 attribute, const char* value );
void pushAttributeValue( sal_Int32 attribute, const OString& value );
std::unique_ptr<FastSaxSerializer> mpSerializer;
};
typedef std::shared_ptr< FastSerializerHelper > FSHelperPtr;
// Helpers to make intention to pass optional attributes to *Element functions explicit, instead of
// using `(condition) ? value.toUtf8().getStr() : nullptr` syntax.
inline const char* UseIf(const char* s, bool bUse) { return bUse ? s : nullptr; }
// OString, OUString
template<class TString>
std::optional<TString> UseIf(const TString& s, bool bUse)
{
return bUse ? std::optional<TString>(s) : std::optional<TString>();
}
}
#endif // INCLUDED_SAX_FSHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
