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
|
/* -*- 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/.
*/
#include <tools/stream.hxx>
#include <tools/XmlWriter.hxx>
#include <libxml/xmlwriter.h>
namespace tools
{
namespace
{
int funcWriteCallback(void* pContext, const char* sBuffer, int nLen)
{
SvStream* pStream = static_cast<SvStream*>(pContext);
return static_cast<int>(pStream->WriteBytes(sBuffer, nLen));
}
int funcCloseCallback(void* pContext)
{
SvStream* pStream = static_cast<SvStream*>(pContext);
pStream->Flush();
return 0; // 0 or -1 in case of error
}
} // end anonymous namespace
struct XmlWriterImpl
{
XmlWriterImpl(SvStream* pStream)
: mpStream(pStream)
, mpWriter(nullptr)
{
}
SvStream* const mpStream;
xmlTextWriterPtr mpWriter;
};
XmlWriter::XmlWriter(SvStream* pStream)
: mpImpl(std::make_unique<XmlWriterImpl>(pStream))
{
}
XmlWriter::~XmlWriter()
{
if (mpImpl && mpImpl->mpWriter != nullptr)
endDocument();
}
bool XmlWriter::startDocument(sal_Int32 nIndent)
{
xmlOutputBufferPtr xmlOutBuffer
= xmlOutputBufferCreateIO(funcWriteCallback, funcCloseCallback, mpImpl->mpStream, nullptr);
mpImpl->mpWriter = xmlNewTextWriter(xmlOutBuffer);
if (mpImpl->mpWriter == nullptr)
return false;
xmlTextWriterSetIndent(mpImpl->mpWriter, nIndent);
xmlTextWriterStartDocument(mpImpl->mpWriter, nullptr, "UTF-8", nullptr);
return true;
}
void XmlWriter::endDocument()
{
xmlTextWriterEndDocument(mpImpl->mpWriter);
xmlFreeTextWriter(mpImpl->mpWriter);
mpImpl->mpWriter = nullptr;
}
void XmlWriter::startElement(const OString& sPrefix, const OString& sName,
const OString& sNamespaceUri)
{
xmlChar* xmlName = xmlCharStrdup(sName.getStr());
xmlChar* xmlPrefix = nullptr;
xmlChar* xmlNamespaceUri = nullptr;
if (!sPrefix.isEmpty())
xmlPrefix = xmlCharStrdup(sPrefix.getStr());
if (!sNamespaceUri.isEmpty())
xmlNamespaceUri = xmlCharStrdup(sNamespaceUri.getStr());
xmlTextWriterStartElementNS(mpImpl->mpWriter, xmlPrefix, xmlName, xmlNamespaceUri);
xmlFree(xmlName);
if (!sPrefix.isEmpty())
xmlFree(xmlPrefix);
if (!sNamespaceUri.isEmpty())
xmlFree(xmlNamespaceUri);
}
void XmlWriter::startElement(const OString& sName)
{
xmlChar* xmlName = xmlCharStrdup(sName.getStr());
xmlTextWriterStartElement(mpImpl->mpWriter, xmlName);
xmlFree(xmlName);
}
void XmlWriter::endElement() { xmlTextWriterEndElement(mpImpl->mpWriter); }
void XmlWriter::attributeBase64(const OString& rsName, std::vector<sal_uInt8> const& rValueInBytes)
{
std::vector<char> aSignedBytes(rValueInBytes.begin(), rValueInBytes.end());
attributeBase64(rsName, aSignedBytes);
}
void XmlWriter::attributeBase64(const OString& rsName, std::vector<char> const& rValueInBytes)
{
xmlChar* xmlName = xmlCharStrdup(rsName.getStr());
xmlTextWriterStartAttribute(mpImpl->mpWriter, xmlName);
xmlTextWriterWriteBase64(mpImpl->mpWriter, rValueInBytes.data(), 0, rValueInBytes.size());
xmlTextWriterEndAttribute(mpImpl->mpWriter);
xmlFree(xmlName);
}
void XmlWriter::attribute(const OString& name, const OString& value)
{
xmlChar* xmlName = xmlCharStrdup(name.getStr());
xmlChar* xmlValue = xmlCharStrdup(value.getStr());
xmlTextWriterWriteAttribute(mpImpl->mpWriter, xmlName, xmlValue);
xmlFree(xmlValue);
xmlFree(xmlName);
}
void XmlWriter::attribute(const OString& name, const OUString& value)
{
attribute(name, OUStringToOString(value, RTL_TEXTENCODING_UTF8).getStr());
}
void XmlWriter::attribute(const OString& name, const sal_Int32 aNumber)
{
attribute(name, OUString::number(aNumber));
}
void XmlWriter::content(const OString& sValue)
{
xmlChar* xmlValue = xmlCharStrdup(sValue.getStr());
xmlTextWriterWriteString(mpImpl->mpWriter, xmlValue);
xmlFree(xmlValue);
}
void XmlWriter::content(const OUString& sValue)
{
content(OUStringToOString(sValue, RTL_TEXTENCODING_UTF8));
}
void XmlWriter::element(const OString& sName)
{
startElement(sName);
endElement();
}
} // end tools namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
