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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/* -*- 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 <comphelper/sequence.hxx>
#include <tools/diagnose_ex.h>
#include <sal/log.hxx>
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include "ProviderCache.hxx"
using namespace com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::script;
namespace func_provider
{
ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext ) : m_Sctx( scriptContext ), m_xContext( xContext )
{
// initialise m_hProviderDetailsCache with details of ScriptProviders
// will use createContentEnumeration
m_xMgr = m_xContext->getServiceManager();
ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
populateCache();
}
ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext, const Sequence< OUString >& denyList ) : m_sDenyList( denyList ), m_Sctx( scriptContext ), m_xContext( xContext )
{
// initialise m_hProviderDetailsCache with details of ScriptProviders
// will use createContentEnumeration
m_xMgr = m_xContext->getServiceManager();
ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
populateCache();
}
ProviderCache::~ProviderCache()
{
}
Reference< provider::XScriptProvider >
ProviderCache::getProvider( const OUString& providerName )
{
std::scoped_lock aGuard( m_mutex );
Reference< provider::XScriptProvider > provider;
ProviderDetails_hash::iterator h_it = m_hProviderDetailsCache.find( providerName );
if ( h_it != m_hProviderDetailsCache.end() )
{
if ( h_it->second.provider.is() )
{
provider = h_it->second.provider;
}
else
{
// need to create provider and insert into hash
provider = createProvider( h_it->second );
}
}
return provider;
}
Sequence < Reference< provider::XScriptProvider > >
ProviderCache::getAllProviders()
{
// need to create providers that haven't been created already
// so check what providers exist and what ones don't
std::scoped_lock aGuard( m_mutex );
Sequence < Reference< provider::XScriptProvider > > providers ( m_hProviderDetailsCache.size() );
// should assert if size !> 0
if ( !m_hProviderDetailsCache.empty() )
{
auto pproviders = providers.getArray();
sal_Int32 providerIndex = 0;
for (auto& rDetail : m_hProviderDetailsCache)
{
Reference<provider::XScriptProvider> xScriptProvider = rDetail.second.provider;
if ( xScriptProvider.is() )
{
pproviders[ providerIndex++ ] = xScriptProvider;
}
else
{
// create provider
try
{
xScriptProvider = createProvider(rDetail.second);
pproviders[ providerIndex++ ] = xScriptProvider;
}
catch ( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("scripting");
}
}
}
if (providerIndex < providers.getLength())
{
providers.realloc( providerIndex );
}
}
else
{
SAL_WARN("scripting", "no available providers, something very wrong!!!");
}
return providers;
}
void
ProviderCache::populateCache()
{
// wrong name in services.rdb
OUString serviceName;
std::scoped_lock aGuard( m_mutex );
try
{
Reference< container::XContentEnumerationAccess > xEnumAccess( m_xMgr, UNO_QUERY_THROW );
Reference< container::XEnumeration > xEnum = xEnumAccess->createContentEnumeration ( "com.sun.star.script.provider.LanguageScriptProvider" );
while ( xEnum->hasMoreElements() )
{
Reference< lang::XSingleComponentFactory > factory( xEnum->nextElement(), UNO_QUERY_THROW );
Reference< lang::XServiceInfo > xServiceInfo( factory, UNO_QUERY_THROW );
const Sequence< OUString > serviceNames = xServiceInfo->getSupportedServiceNames();
if ( serviceNames.hasElements() )
{
auto pName = std::find_if(serviceNames.begin(), serviceNames.end(),
[this](const OUString& rName) {
return rName.startsWith("com.sun.star.script.provider.ScriptProviderFor")
&& !isInDenyList(rName);
});
if (pName != serviceNames.end())
{
serviceName = *pName;
ProviderDetails details;
details.factory = factory;
m_hProviderDetailsCache[ serviceName ] = details;
}
}
}
}
catch ( const Exception &e )
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
"ProviderCache::populateCache: couldn't obtain XSingleComponentFactory for " + serviceName
+ " " + e.Message,
nullptr, anyEx );
}
}
Reference< provider::XScriptProvider >
ProviderCache::createProvider( ProviderDetails& details )
{
try
{
details.provider.set(
details.factory->createInstanceWithArgumentsAndContext( m_Sctx, m_xContext ), UNO_QUERY_THROW );
}
catch ( const Exception& e )
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
"ProviderCache::createProvider() Error creating provider from factory. " + e.Message,
nullptr, anyEx );
}
return details.provider;
}
bool
ProviderCache::isInDenyList( const OUString& serviceName ) const
{
return comphelper::findValue(m_sDenyList, serviceName) != -1;
}
} //end namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
