Avoid potential negative array index access to cached text.
[LibreOffice.git] / scripting / source / basprov / basprov.cxx
blobcafd4daa76d0827de00f7fa7b5c9992d1536fc6d
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include "basprov.hxx"
21 #include "basscript.hxx"
22 #include "baslibnode.hxx"
23 #include <com/sun/star/frame/XModel.hpp>
24 #include <com/sun/star/script/browse/BrowseNodeTypes.hpp>
25 #include <com/sun/star/script/provider/ScriptFrameworkErrorException.hpp>
26 #include <com/sun/star/script/provider/ScriptFrameworkErrorType.hpp>
27 #include <com/sun/star/document/XEmbeddedScripts.hpp>
28 #include <com/sun/star/uri/UriReferenceFactory.hpp>
30 #include <cppuhelper/supportsservice.hxx>
31 #include <rtl/uri.hxx>
32 #include <sal/log.hxx>
33 #include <osl/file.hxx>
34 #include <vcl/svapp.hxx>
35 #include <basic/basmgr.hxx>
36 #include <basic/basicmanagerrepository.hxx>
37 #include <basic/sbstar.hxx>
38 #include <basic/sbmod.hxx>
39 #include <basic/sbmeth.hxx>
40 #include <sfx2/app.hxx>
42 #include <com/sun/star/util/theMacroExpander.hpp>
43 #include <com/sun/star/script/XLibraryContainer2.hpp>
44 #include <com/sun/star/uri/XUriReference.hpp>
45 #include <com/sun/star/uri/XUriReferenceFactory.hpp>
46 #include <com/sun/star/uri/XVndSunStarScriptUrl.hpp>
48 #include <util/MiscUtils.hxx>
51 using namespace ::com::sun::star;
52 using namespace ::com::sun::star::lang;
53 using namespace ::com::sun::star::uno;
54 using namespace ::com::sun::star::script;
55 using namespace ::com::sun::star::document;
56 using namespace ::sf_misc;
59 namespace basprov
62 // BasicProviderImpl
65 BasicProviderImpl::BasicProviderImpl( const Reference< XComponentContext >& xContext )
66 :m_pAppBasicManager( nullptr )
67 ,m_pDocBasicManager( nullptr )
68 ,m_xContext( xContext )
69 ,m_bIsAppScriptCtx( true )
70 ,m_bIsUserCtx(true)
75 BasicProviderImpl::~BasicProviderImpl()
77 SolarMutexGuard aGuard;
78 EndListeningAll();
82 bool BasicProviderImpl::isLibraryShared( const Reference< script::XLibraryContainer >& rxLibContainer, const OUString& rLibName )
84 bool bIsShared = false;
86 Reference< script::XLibraryContainer2 > xLibContainer( rxLibContainer, UNO_QUERY );
87 if ( xLibContainer.is() && xLibContainer->hasByName( rLibName ) && xLibContainer->isLibraryLink( rLibName ) )
89 OUString aFileURL;
90 if ( m_xContext.is() )
92 Reference< uri::XUriReferenceFactory > xUriFac( uri::UriReferenceFactory::create( m_xContext ) );
94 OUString aLinkURL( xLibContainer->getLibraryLinkURL( rLibName ) );
95 Reference< uri::XUriReference > xUriRef = xUriFac->parse( aLinkURL );
97 if ( xUriRef.is() )
99 OUString aScheme = xUriRef->getScheme();
100 if ( aScheme.equalsIgnoreAsciiCase("file") )
102 aFileURL = aLinkURL;
104 else if ( aScheme.equalsIgnoreAsciiCase("vnd.sun.star.pkg") )
106 OUString aDecodedURL = xUriRef->getAuthority();
107 if ( aDecodedURL.startsWithIgnoreAsciiCase( "vnd.sun.star.expand:", &aDecodedURL ) )
109 aDecodedURL = ::rtl::Uri::decode( aDecodedURL, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 );
110 Reference<util::XMacroExpander> xMacroExpander =
111 util::theMacroExpander::get(m_xContext);
112 aFileURL = xMacroExpander->expandMacros( aDecodedURL );
118 if ( !aFileURL.isEmpty() )
120 osl::DirectoryItem aFileItem;
121 osl::FileStatus aFileStatus( osl_FileStatus_Mask_FileURL );
122 OSL_VERIFY( osl::DirectoryItem::get( aFileURL, aFileItem ) == osl::FileBase::E_None );
123 OSL_VERIFY( aFileItem.getFileStatus( aFileStatus ) == osl::FileBase::E_None );
124 OUString aCanonicalFileURL( aFileStatus.getFileURL() );
126 if( aCanonicalFileURL.indexOf( "share/basic" ) != -1
127 || aCanonicalFileURL.indexOf( "share/uno_packages" ) != -1 )
128 bIsShared = true;
132 return bIsShared;
135 // SfxListener
136 void BasicProviderImpl::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
138 if (auto pManager = dynamic_cast<const BasicManager*>(&rBC))
139 if (pManager == m_pAppBasicManager && rHint.GetId() == SfxHintId::Dying)
141 EndListening(*m_pAppBasicManager);
142 m_pAppBasicManager = nullptr;
146 // XServiceInfo
147 OUString BasicProviderImpl::getImplementationName( )
149 return "com.sun.star.comp.scripting.ScriptProviderForBasic";
152 sal_Bool BasicProviderImpl::supportsService( const OUString& rServiceName )
154 return cppu::supportsService(this, rServiceName);
157 Sequence< OUString > BasicProviderImpl::getSupportedServiceNames( )
159 return {
160 "com.sun.star.script.provider.ScriptProviderForBasic",
161 "com.sun.star.script.provider.LanguageScriptProvider",
162 "com.sun.star.script.provider.ScriptProvider",
163 "com.sun.star.script.browse.BrowseNode"};
167 // XInitialization
170 void BasicProviderImpl::initialize( const Sequence< Any >& aArguments )
172 // TODO
174 SolarMutexGuard aGuard;
176 if ( aArguments.getLength() != 1 )
178 throw IllegalArgumentException(
179 "BasicProviderImpl::initialize: incorrect argument count.",
180 *this,
185 Reference< frame::XModel > xModel;
187 m_xInvocationContext.set( aArguments[0], UNO_QUERY );
188 if ( m_xInvocationContext.is() )
190 xModel.set( m_xInvocationContext->getScriptContainer(), UNO_QUERY );
191 if ( !xModel.is() )
193 throw IllegalArgumentException(
194 "BasicProviderImpl::initialize: unable to determine the document model from the script invocation context.",
195 *this,
200 else
202 if ( !( aArguments[0] >>= m_sScriptingContext ) )
204 throw IllegalArgumentException(
205 "BasicProviderImpl::initialize: incorrect argument type " + aArguments[0].getValueTypeName(),
206 *this,
211 if ( m_sScriptingContext.startsWith( "vnd.sun.star.tdoc" ) )
213 xModel = MiscUtils::tDocUrlToModel( m_sScriptingContext );
217 if ( xModel.is() )
219 Reference< XEmbeddedScripts > xDocumentScripts( xModel, UNO_QUERY );
220 if ( xDocumentScripts.is() )
222 m_pDocBasicManager = ::basic::BasicManagerRepository::getDocumentBasicManager( xModel );
223 m_xLibContainerDoc = xDocumentScripts->getBasicLibraries();
224 OSL_ENSURE( m_pDocBasicManager && m_xLibContainerDoc.is(),
225 "BasicProviderImpl::initialize: invalid BasicManager, or invalid script container!" );
227 m_bIsAppScriptCtx = false;
229 else
231 // Provider has been created with application context for user
232 // or share
233 if ( m_sScriptingContext != "user" )
235 m_bIsUserCtx = false;
237 else
240 throw RuntimeException(
241 "BasicProviderImpl::initialize: no scripting context!" );
246 // TODO
247 if ( !m_pAppBasicManager )
249 m_pAppBasicManager = SfxApplication::GetBasicManager();
250 if (m_pAppBasicManager)
251 StartListening(*m_pAppBasicManager);
254 if ( !m_xLibContainerApp.is() )
255 m_xLibContainerApp = SfxGetpApp()->GetBasicContainer();
259 // XScriptProvider
262 Reference < provider::XScript > BasicProviderImpl::getScript( const OUString& scriptURI )
264 // TODO
266 SolarMutexGuard aGuard;
268 Reference< provider::XScript > xScript;
269 Reference< uri::XUriReferenceFactory > xFac ( uri::UriReferenceFactory::create( m_xContext ) );
271 Reference< uri::XUriReference > uriRef = xFac->parse( scriptURI );
273 Reference < uri::XVndSunStarScriptUrl > sfUri( uriRef, UNO_QUERY );
275 if ( !uriRef.is() || !sfUri.is() )
277 throw provider::ScriptFrameworkErrorException(
278 "BasicProviderImpl::getScript: failed to parse URI: " + scriptURI,
279 Reference< XInterface >(),
280 scriptURI, "Basic",
281 provider::ScriptFrameworkErrorType::MALFORMED_URL );
285 OUString aDescription = sfUri->getName();
286 OUString aLocation = sfUri->getParameter( "location" );
288 sal_Int32 nIndex = 0;
289 // In some strange circumstances the Library name can have an
290 // apparently illegal '.' in it ( in imported VBA )
292 BasicManager* pBasicMgr = nullptr;
293 if ( aLocation == "document" )
295 pBasicMgr = m_pDocBasicManager;
297 else if ( aLocation == "application" )
299 pBasicMgr = m_pAppBasicManager;
301 OUString sProjectName;
302 if ( pBasicMgr )
303 sProjectName = pBasicMgr->GetName();
305 OUString aLibrary;
306 if ( !sProjectName.isEmpty() && aDescription.match( sProjectName ) )
308 SAL_WARN("scripting", "LibraryName " << sProjectName << " is part of the url " << aDescription );
309 aLibrary = sProjectName;
310 nIndex = sProjectName.getLength() + 1;
312 else
313 aLibrary = aDescription.getToken( 0, '.', nIndex );
314 OUString aModule;
315 if ( nIndex != -1 )
316 aModule = aDescription.getToken( 0, '.', nIndex );
317 OUString aMethod;
318 if ( nIndex != -1 )
319 aMethod = aDescription.getToken( 0, '.', nIndex );
321 if ( !aLibrary.isEmpty() && !aModule.isEmpty() && !aMethod.isEmpty() && !aLocation.isEmpty() )
324 if ( pBasicMgr )
326 StarBASIC* pBasic = pBasicMgr->GetLib( aLibrary );
327 if ( !pBasic )
329 sal_uInt16 nId = pBasicMgr->GetLibId( aLibrary );
330 if ( nId != LIB_NOTFOUND )
332 pBasicMgr->LoadLib( nId );
333 pBasic = pBasicMgr->GetLib( aLibrary );
336 if ( pBasic )
338 SbModule* pModule = pBasic->FindModule( aModule );
339 if ( pModule )
341 SbMethod* pMethod = pModule->FindMethod( aMethod, SbxClassType::Method );
342 if ( pMethod && !pMethod->IsHidden() )
344 if ( m_pDocBasicManager == pBasicMgr )
345 xScript = new BasicScriptImpl( aDescription, pMethod, *m_pDocBasicManager, m_xInvocationContext );
346 else
347 xScript = new BasicScriptImpl( aDescription, pMethod );
354 if ( !xScript.is() )
356 throw provider::ScriptFrameworkErrorException(
357 "The following Basic script could not be found:\n"
358 "library: '" + aLibrary + "'\n"
359 "module: '" + aModule + "'\n"
360 "method: '" + aMethod + "'\n"
361 "location: '" + aLocation + "'\n",
362 Reference< XInterface >(),
363 scriptURI, "Basic",
364 provider::ScriptFrameworkErrorType::NO_SUCH_SCRIPT );
367 return xScript;
371 // XBrowseNode
374 OUString BasicProviderImpl::getName( )
376 return "Basic";
380 Sequence< Reference< browse::XBrowseNode > > BasicProviderImpl::getChildNodes( )
382 SolarMutexGuard aGuard;
384 Reference< script::XLibraryContainer > xLibContainer;
385 BasicManager* pBasicManager = nullptr;
387 if ( m_bIsAppScriptCtx )
389 xLibContainer = m_xLibContainerApp;
390 pBasicManager = m_pAppBasicManager;
392 else
394 xLibContainer = m_xLibContainerDoc;
395 pBasicManager = m_pDocBasicManager;
398 Sequence< Reference< browse::XBrowseNode > > aChildNodes;
400 if ( pBasicManager && xLibContainer.is() )
402 const Sequence< OUString > aLibNames = xLibContainer->getElementNames();
403 sal_Int32 nLibCount = aLibNames.getLength();
404 aChildNodes.realloc( nLibCount );
405 Reference< browse::XBrowseNode >* pChildNodes = aChildNodes.getArray();
406 sal_Int32 childrenFound = 0;
408 for ( const OUString& rLibName : aLibNames )
410 bool bCreate = false;
411 if ( m_bIsAppScriptCtx )
413 const bool bShared = isLibraryShared( xLibContainer, rLibName );
414 if (m_bIsUserCtx != bShared)
415 bCreate = true;
417 else
419 bCreate = true;
421 if ( bCreate )
423 pChildNodes[childrenFound++]
424 = new BasicLibraryNodeImpl(m_xContext, m_sScriptingContext, pBasicManager,
425 xLibContainer, rLibName, m_bIsAppScriptCtx);
429 if ( childrenFound != nLibCount )
430 aChildNodes.realloc( childrenFound );
433 return aChildNodes;
437 sal_Bool BasicProviderImpl::hasChildNodes( )
439 SolarMutexGuard aGuard;
441 bool bReturn = false;
442 Reference< script::XLibraryContainer > xLibContainer;
443 if ( m_bIsAppScriptCtx )
445 xLibContainer = m_xLibContainerApp;
447 else
449 xLibContainer = m_xLibContainerDoc;
451 if ( xLibContainer.is() )
452 bReturn = xLibContainer->hasElements();
454 return bReturn;
458 sal_Int16 BasicProviderImpl::getType( )
460 return browse::BrowseNodeTypes::CONTAINER;
464 // component operations
466 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
467 scripting_BasicProviderImpl_get_implementation(
468 css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
470 return cppu::acquire(new BasicProviderImpl(context));
474 } // namespace basprov
476 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */