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
|
/* -*- 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 "ucpext_provider.hxx"
#include "ucpext_content.hxx"
#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
#include <cppuhelper/weak.hxx>
#include <ucbhelper/contentidentifier.hxx>
#include <osl/mutex.hxx>
#include <rtl/ustrbuf.hxx>
namespace ucb::ucp::ext
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::ucb::XContentIdentifier;
using ::com::sun::star::ucb::IllegalIdentifierException;
using ::com::sun::star::ucb::XContent;
using ::com::sun::star::uno::XComponentContext;
//= ContentProvider
ContentProvider::ContentProvider( const Reference< XComponentContext >& rxContext )
:ContentProvider_Base( rxContext )
{
}
ContentProvider::~ContentProvider()
{
}
OUString SAL_CALL ContentProvider::getImplementationName()
{
return "org.openoffice.comp.ucp.ext.ContentProvider";
}
Sequence< OUString > SAL_CALL ContentProvider::getSupportedServiceNames( )
{
return { "com.sun.star.ucb.ContentProvider", "com.sun.star.ucb.ExtensionContentProvider" };
}
OUString ContentProvider::getRootURL()
{
return "vnd.sun.star.extension://";
}
OUString ContentProvider::getArtificialNodeContentType()
{
return "application/vnd.sun.star.extension-content";
}
namespace
{
void lcl_ensureAndTransfer( std::u16string_view& io_rIdentifierFragment, OUStringBuffer& o_rNormalization, const sal_Unicode i_nLeadingChar )
{
if ( ( io_rIdentifierFragment.empty() ) || ( io_rIdentifierFragment[0] != i_nLeadingChar ) )
throw IllegalIdentifierException();
io_rIdentifierFragment = io_rIdentifierFragment.substr( 1 );
o_rNormalization.append( i_nLeadingChar );
}
}
Reference< XContent > SAL_CALL ContentProvider::queryContent( const Reference< XContentIdentifier >& i_rIdentifier )
{
// Check URL scheme...
static const OUStringLiteral sScheme( u"vnd.sun.star.extension" );
if ( !i_rIdentifier->getContentProviderScheme().equalsIgnoreAsciiCase( sScheme ) )
throw IllegalIdentifierException();
// normalize the identifier
const OUString sIdentifier( i_rIdentifier->getContentIdentifier() );
// the scheme needs to be lower-case
OUStringBuffer aComposer;
aComposer.append( sIdentifier.copy( 0, sScheme.getLength() ).toAsciiLowerCase() );
// one : is required after the scheme
std::u16string_view sRemaining( sIdentifier.subView( sScheme.getLength() ) );
lcl_ensureAndTransfer( sRemaining, aComposer, ':' );
// and at least one /
lcl_ensureAndTransfer( sRemaining, aComposer, '/' );
// the normalized form requires one additional /, but we also accept identifiers which don't have it
if ( sRemaining.empty() )
{
// the root content is a special case, it requires /
aComposer.append( "//" );
}
else
{
if ( sRemaining[0] != '/' )
{
aComposer.append( '/' );
aComposer.append( sRemaining );
}
else
{
lcl_ensureAndTransfer( sRemaining, aComposer, '/' );
// by now, we moved "vnd.sun.star.extension://" from the URL to aComposer
if ( sRemaining.empty() )
{
// again, it's the root content, but one / is missing
aComposer.append( '/' );
}
else
{
aComposer.append( sRemaining );
}
}
}
const Reference< XContentIdentifier > xNormalizedIdentifier( new ::ucbhelper::ContentIdentifier( aComposer.makeStringAndClear() ) );
::osl::MutexGuard aGuard( m_aMutex );
// check if a content with given id already exists...
Reference< XContent > xContent( queryExistingContent( xNormalizedIdentifier ) );
if ( xContent.is() )
return xContent;
// create a new content
xContent = new Content( m_xContext, this, xNormalizedIdentifier );
if ( !xContent->getIdentifier().is() )
throw IllegalIdentifierException();
registerNewContent( xContent );
return xContent;
}
} // namespace ucb::ucp::ext
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
ucb_ext_ContentProvider_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new ucb::ucp::ext::ContentProvider(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
