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office-gobmx/xmlhelp/source/treeview/tvread.cxx
Noel Grandin f3cced4ab2 use more officecfg in xmlhelp::TVChildTarget 
Change-Id: I3d5762e275317937c4ce3aafaf9e3a359efc2907
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167703
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
2024-05-16 08:47:32 +02:00

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/* -*- 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 <string.h>
#include <rtl/character.hxx>
#include <rtl/ustrbuf.hxx>
#include <sal/log.hxx>
#include <o3tl/safeint.hxx>
#include <o3tl/string_view.hxx>
#include <osl/diagnose.h>
#include <tvread.hxx>
#include <expat.h>
#include <osl/file.hxx>
#include <unotools/configmgr.hxx>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <com/sun/star/ucb/SimpleFileAccess.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/propertysequence.hxx>
#include <com/sun/star/deployment/thePackageManagerFactory.hpp>
#include <com/sun/star/util/theMacroExpander.hpp>
#include <com/sun/star/uri/UriReferenceFactory.hpp>
#include <com/sun/star/uri/XVndSunStarExpandUrl.hpp>
#include <i18nlangtag/languagetag.hxx>
#include <unotools/pathoptions.hxx>
#include <officecfg/Office/Common.hxx>
#include <officecfg/Setup.hxx>
#include <memory>
#include <utility>
namespace treeview {
class TVDom
{
friend class TVChildTarget;
friend class TVRead;
public:
explicit TVDom( TVDom* arent = nullptr )
: kind( Kind::other ),
parent( arent ),
children( 0 )
{
}
TVDom* newChild()
{
children.emplace_back( new TVDom( this ) );
return children.back().get();
}
void newChild(std::unique_ptr<TVDom> p)
{
children.emplace_back(std::move(p));
children.back()->parent = this;
}
TVDom* getParent() const
{
if( parent )
return parent;
else
return const_cast<TVDom*>(this); // I am my own parent, if I am the root
}
enum class Kind {
tree_node,
tree_leaf,
other
};
bool isLeaf() const { return kind == TVDom::Kind::tree_leaf; }
void setKind( Kind ind ) { kind = ind; }
void setApplication( const char* appl )
{
application = OUString( appl,
strlen( appl ),
RTL_TEXTENCODING_UTF8 );
}
void setTitle( const char* itle )
{
title += OUString( itle,
strlen( itle ),
RTL_TEXTENCODING_UTF8 );
}
void setTitle( const XML_Char* itle,int len )
{
title += OUString( itle,
len,
RTL_TEXTENCODING_UTF8 );
}
void setId( const char* d )
{
id = OUString( d,
strlen( d ),
RTL_TEXTENCODING_UTF8 );
}
void setAnchor( const char* nchor )
{
anchor = OUString( nchor,
strlen( nchor ),
RTL_TEXTENCODING_UTF8 );
}
OUString const & getTargetURL()
{
if( targetURL.isEmpty() )
{
targetURL = "vnd.sun.star.help://" + id;
}
return targetURL;
}
private:
Kind kind;
OUString application;
OUString title;
OUString id;
OUString anchor;
OUString targetURL;
TVDom *parent;
std::vector< std::unique_ptr<TVDom> > children;
};
}
using namespace treeview;
using namespace com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star::configuration;
using namespace com::sun::star::lang;
using namespace com::sun::star::util;
using namespace com::sun::star::container;
using namespace com::sun::star::deployment;
constexpr OUStringLiteral prodName = u"%PRODUCTNAME";
constexpr OUStringLiteral vendName = u"%VENDORNAME";
constexpr OUStringLiteral vendVersion = u"%VENDORVERSION";
constexpr OUStringLiteral vendShort = u"%VENDORSHORT";
constexpr OUStringLiteral prodVersion = u"%PRODUCTVERSION";
ConfigData::ConfigData()
{
}
void ConfigData::replaceName( OUString& oustring ) const
{
sal_Int32 idx = -1,k = 0,off;
bool cap = false;
OUStringBuffer aStrBuf( 0 );
while( ( idx = oustring.indexOf( '%', ++idx ) ) != -1 )
{
if( oustring.indexOf( prodName,idx ) == idx )
off = PRODUCTNAME;
else if( oustring.indexOf( prodVersion,idx ) == idx )
off = PRODUCTVERSION;
else if( oustring.indexOf( vendName,idx ) == idx )
off = VENDORNAME;
else if( oustring.indexOf( vendVersion,idx ) == idx )
off = VENDORVERSION;
else if( oustring.indexOf( vendShort,idx ) == idx )
off = VENDORSHORT;
else
off = -1;
if( off != -1 )
{
if( ! cap )
{
cap = true;
aStrBuf.ensureCapacity( 256 );
}
aStrBuf.append( &oustring.getStr()[k],idx - k );
aStrBuf.append( m_vReplacement[off] );
k = idx + m_vAdd[off];
}
}
if( cap )
{
if( k < oustring.getLength() )
aStrBuf.append( &oustring.getStr()[k],oustring.getLength()-k );
oustring = aStrBuf.makeStringAndClear();
}
}
// TVRead
TVRead::TVRead( const ConfigData& configData,TVDom* tvDom )
{
if( ! tvDom )
return;
Title = tvDom->title;
configData.replaceName( Title );
if( tvDom->isLeaf() )
{
TargetURL = tvDom->getTargetURL() + configData.appendix;
if( !tvDom->anchor.isEmpty() )
TargetURL += "#" + tvDom->anchor;
}
else
Children = new TVChildTarget( configData,tvDom );
}
TVRead::~TVRead()
{
}
// XNameAccess
Any SAL_CALL
TVRead::getByName( const OUString& aName )
{
bool found( true );
Any aAny;
if( aName == "Title" )
aAny <<= Title;
else if( aName == "TargetURL" )
aAny <<= TargetURL;
else if( aName == "Children" )
{
cppu::OWeakObject* p = Children.get();
aAny <<= Reference< XInterface >( p );
}
else
found = false;
if( found )
return aAny;
throw NoSuchElementException();
}
Sequence< OUString > SAL_CALL
TVRead::getElementNames( )
{
return { u"Title"_ustr, u"TargetURL"_ustr, u"Children"_ustr };
}
sal_Bool SAL_CALL
TVRead::hasByName( const OUString& aName )
{
if( aName == "Title" ||
aName == "TargetURL" ||
aName == "Children" )
return true;
return false;
}
// XHierarchicalNameAccess
Any SAL_CALL
TVRead::getByHierarchicalName( const OUString& aName )
{
OUString aRest;
if( aName.startsWith("Children/", &aRest) )
return Children->getByHierarchicalName( aRest );
return getByName( aName );
}
sal_Bool SAL_CALL
TVRead::hasByHierarchicalName( const OUString& aName )
{
OUString aRest;
if( aName.startsWith("Children/", &aRest) )
return Children->hasByHierarchicalName( aRest );
return hasByName( aName );
}
/**************************************************************************/
/* */
/* TVChildTarget */
/* */
/**************************************************************************/
extern "C" {
static void start_handler(void *userData,
const XML_Char *name,
const XML_Char **atts)
{
TVDom::Kind kind;
if( strcmp( name,"help_section" ) == 0 ||
strcmp( name,"node" ) == 0 )
kind = TVDom::Kind::tree_node;
else if( strcmp( name,"topic" ) == 0 )
kind = TVDom::Kind::tree_leaf;
else
return;
TVDom **tvDom = static_cast< TVDom** >( userData );
TVDom *p;
p = *tvDom;
*tvDom = p->newChild();
p = *tvDom;
p->setKind( kind );
while( *atts )
{
if( strcmp( *atts,"application" ) == 0 )
p->setApplication( *(atts+1) );
else if( strcmp( *atts,"title" ) == 0 )
p->setTitle( *(atts+1) );
else if( strcmp( *atts,"id" ) == 0 )
p->setId( *(atts+1) );
else if( strcmp( *atts,"anchor" ) == 0 )
p->setAnchor( *(atts+1) );
atts+=2;
}
}
static void end_handler(void *userData,
SAL_UNUSED_PARAMETER const XML_Char * )
{
TVDom **tvDom = static_cast< TVDom** >( userData );
*tvDom = (*tvDom)->getParent();
}
static void data_handler( void *userData,
const XML_Char *s,
int len)
{
TVDom **tvDom = static_cast< TVDom** >( userData );
if( (*tvDom)->isLeaf() )
(*tvDom)->setTitle( s,len );
}
}
TVChildTarget::TVChildTarget( const ConfigData& configData,TVDom* tvDom )
{
Elements.resize( tvDom->children.size() );
for( size_t i = 0; i < Elements.size(); ++i )
Elements[i] = new TVRead( configData,tvDom->children[i].get() );
}
TVChildTarget::TVChildTarget()
{
ConfigData configData = init();
if( configData.locale.isEmpty() || configData.system.isEmpty() )
return;
sal_uInt64 ret,len = 0;
int j = configData.vFileURL.size();
TVDom tvDom;
TVDom* pTVDom = &tvDom;
while( j )
{
len = configData.vFileLen[--j];
std::unique_ptr<char[]> s(new char[ int(len) ]); // the buffer to hold the installed files
osl::File aFile( configData.vFileURL[j] );
(void)aFile.open( osl_File_OpenFlag_Read );
aFile.read( s.get(),len,ret );
aFile.close();
XML_Parser parser = XML_ParserCreate( nullptr );
XML_SetElementHandler( parser,
start_handler,
end_handler );
XML_SetCharacterDataHandler( parser,
data_handler);
XML_SetUserData( parser,&pTVDom ); // does not return this
XML_Status const parsed = XML_Parse(parser, s.get(), int(len), j==0);
SAL_WARN_IF(XML_STATUS_ERROR == parsed, "xmlhelp",
"TVChildTarget::TVChildTarget(): Tree file parsing failed");
XML_ParserFree( parser );
Check(pTVDom);
}
// now TVDom holds the relevant information
Elements.resize( tvDom.children.size() );
for( size_t i = 0; i < Elements.size(); ++i )
Elements[i] = new TVRead( configData,tvDom.children[i].get() );
}
TVChildTarget::~TVChildTarget()
{
}
void TVChildTarget::Check(TVDom* tvDom)
{
if (tvDom->children.empty())
{
return;
}
unsigned i = 0;
bool h = false;
while((i<tvDom->children.size()-1) && (!h))
{
if (((tvDom->children[i])->application == (tvDom->children[tvDom->children.size()-1])->application) &&
((tvDom->children[i])->id == (tvDom->children[tvDom->children.size()-1])->id))
{
TVDom* p = tvDom->children.back().get();
for(auto & k : p->children)
{
std::unique_ptr<TVDom> tmp(SearchAndInsert(std::move(k), tvDom->children[i].get()));
if (tmp)
{
tvDom->children[i]->newChild(std::move(tmp));
}
}
tvDom->children.pop_back();
h = true;
}
++i;
}
}
std::unique_ptr<TVDom>
TVChildTarget::SearchAndInsert(std::unique_ptr<TVDom> p, TVDom* tvDom)
{
if (p->isLeaf()) return p;
bool h = false;
sal_Int32 max = 0;
std::vector< std::unique_ptr<TVDom> >::iterator max_It, i;
max_It = tvDom->children.begin();
sal_Int32 c_int;
sal_Int32 p_int = p->id.toInt32();
for(i = tvDom->children.begin(); i!=tvDom->children.end(); ++i)
if (!((*i)->isLeaf()) &&
((*i)->id.getLength() == p->id.getLength()) &&
(p->id.replaceAt((*i)->parent->id.getLength(), p->id.getLength()-(*i)->parent->id.getLength(), u"") == (*i)->parent->id)) //prefix check
{
h = true;
c_int = (*i)->id.toInt32();
if (p_int==c_int)
{
(*(tvDom->children.insert(i+1, std::move(p))))->parent = tvDom;
return nullptr;
}
else if(c_int>max && c_int < p_int)
{
max = c_int;
max_It = i+1;
}
}
if (h)
{
(*(tvDom->children.insert(max_It, std::move(p))))->parent = tvDom;
return nullptr;
}
else
{
for (auto& child : tvDom->children)
{
p = SearchAndInsert(std::move(p), child.get());
if (p == nullptr)
break;
}
return p;
}
}
Any SAL_CALL
TVChildTarget::getByName( const OUString& aName )
{
std::u16string_view num( aName.subView( 2, aName.getLength()-4 ) );
sal_Int32 idx = o3tl::toInt32(num) - 1;
if( idx < 0 || Elements.size() <= o3tl::make_unsigned( idx ) )
throw NoSuchElementException();
cppu::OWeakObject* p = Elements[idx].get();
return Any( Reference< XInterface >( p ) );
}
Sequence< OUString > SAL_CALL
TVChildTarget::getElementNames( )
{
Sequence< OUString > seq( Elements.size() );
auto seqRange = asNonConstRange(seq);
for( size_t i = 0; i < Elements.size(); ++i )
seqRange[i] = OUString::number( 1+i );
return seq;
}
sal_Bool SAL_CALL
TVChildTarget::hasByName( const OUString& aName )
{
std::u16string_view num( aName.subView( 2, aName.getLength()-4 ) );
sal_Int32 idx = o3tl::toInt32(num) - 1;
if( idx < 0 || Elements.size() <= o3tl::make_unsigned( idx ) )
return false;
return true;
}
// XHierarchicalNameAccess
Any SAL_CALL
TVChildTarget::getByHierarchicalName( const OUString& aName )
{
sal_Int32 idx;
if( ( idx = aName.indexOf( '/' ) ) != -1 )
{
std::u16string_view num( aName.subView( 2, idx-4 ) );
sal_Int32 pref = o3tl::toInt32(num) - 1;
if( pref < 0 || Elements.size() <= o3tl::make_unsigned( pref ) )
throw NoSuchElementException();
return Elements[pref]->getByHierarchicalName( aName.copy( 1 + idx ) );
}
else
return getByName( aName );
}
sal_Bool SAL_CALL
TVChildTarget::hasByHierarchicalName( const OUString& aName )
{
sal_Int32 idx;
if( ( idx = aName.indexOf( '/' ) ) != -1 )
{
std::u16string_view num( aName.subView( 2, idx-4 ) );
sal_Int32 pref = o3tl::toInt32(num) - 1;
if( pref < 0 || Elements.size() <= o3tl::make_unsigned( pref ) )
return false;
return Elements[pref]->hasByHierarchicalName( aName.copy( 1 + idx ) );
}
else
return hasByName( aName );
}
ConfigData TVChildTarget::init()
{
ConfigData configData;
/**********************************************************************/
/* reading Office.Common */
/**********************************************************************/
configData.system = officecfg::Office::Common::Help::System::get();
bool showBasic = officecfg::Office::Common::Help::ShowBasic::get();
OUString instPath = officecfg::Office::Common::Path::Current::Help::get();
if( instPath.isEmpty() )
// try to determine path from default
instPath = "$(instpath)/help";
// replace anything like $(instpath);
subst( instPath );
/**********************************************************************/
/* reading setup */
/**********************************************************************/
OUString setupversion = officecfg::Setup::Product::ooSetupVersion::get();
OUString setupextension = officecfg::Setup::Product::ooSetupExtension::get();
configData.m_vReplacement[0] = utl::ConfigManager::getProductName();
configData.m_vReplacement[1] = setupversion + " " + setupextension; // productVersion
// m_vReplacement[2...4] (vendorName/-Version/-Short) are empty strings
configData.locale = officecfg::Setup::L10N::ooLocale::get();
// Determine fileurl from url and locale
OUString url;
osl::FileBase::RC errFile = osl::FileBase::getFileURLFromSystemPath( instPath,url );
if( errFile != osl::FileBase::E_None ) return configData;
if( !url.endsWith("/") )
url += "/";
OUString ret;
sal_Int32 idx;
osl::DirectoryItem aDirItem;
if( osl::FileBase::E_None == osl::DirectoryItem::get( url + configData.locale, aDirItem ) )
ret = configData.locale;
else if( ( ( idx = configData.locale.indexOf( '-' ) ) != -1 ||
( idx = configData.locale.indexOf( '_' ) ) != -1 ) &&
osl::FileBase::E_None == osl::DirectoryItem::get( url + configData.locale.subView( 0,idx ),
aDirItem ) )
ret = configData.locale.copy( 0,idx );
else
{
configData.locale= "en-US";
ret = "en";
}
url += ret;
// first of all, try do determine whether there are any *.tree files present
// Start with extensions to set them at the end of the list
TreeFileIterator aTreeIt(configData.locale);
OUString aTreeFile;
sal_Int32 nFileSize;
for (;;)
{
aTreeFile = aTreeIt.nextTreeFile( nFileSize );
if( aTreeFile.isEmpty() )
break;
configData.vFileLen.push_back( nFileSize );
configData.vFileURL.push_back( aTreeFile );
}
osl::Directory aDirectory( url );
osl::FileStatus aFileStatus(
osl_FileStatus_Mask_FileName | osl_FileStatus_Mask_FileURL );
if( osl::Directory::E_None == aDirectory.open() )
{
OUString aFileUrl, aFileName;
while( aDirectory.getNextItem( aDirItem ) == osl::FileBase::E_None &&
aDirItem.getFileStatus( aFileStatus ) == osl::FileBase::E_None &&
aFileStatus.isValid( osl_FileStatus_Mask_FileURL ) &&
aFileStatus.isValid( osl_FileStatus_Mask_FileName ) )
{
aFileUrl = aFileStatus.getFileURL();
aFileName = aFileStatus.getFileName();
int idx_ = aFileName.lastIndexOf( '.' );
if( idx_ == -1 )
continue;
const sal_Unicode* str = aFileName.getStr();
if( aFileName.getLength() == idx_ + 5 &&
( str[idx_ + 1] == 't' || str[idx_ + 1] == 'T' ) &&
( str[idx_ + 2] == 'r' || str[idx_ + 2] == 'R' ) &&
( str[idx_ + 3] == 'e' || str[idx_ + 3] == 'E' ) &&
( str[idx_ + 4] == 'e' || str[idx_ + 4] == 'E' ) )
{
OUString baseName = aFileName.copy(0,idx_).toAsciiLowerCase();
if(! showBasic && baseName == "sbasic" )
continue;
osl::File aFile( aFileUrl );
if( osl::FileBase::E_None == aFile.open( osl_File_OpenFlag_Read ) )
{
// use the file size, not aFileStatus size, in case the
// tree file is a symlink
sal_uInt64 nSize;
aFile.getSize( nSize );
configData.vFileLen.push_back( nSize );
configData.vFileURL.push_back( aFileUrl );
aFile.close();
}
}
}
aDirectory.close();
}
configData.m_vAdd[0] = 12;
configData.m_vAdd[1] = 15;
configData.m_vAdd[2] = 11;
configData.m_vAdd[3] = 14;
configData.m_vAdd[4] = 12;
configData.appendix =
"?Language=" +
configData.locale +
"&System=" +
configData.system +
"&UseDB=no";
return configData;
}
void TVChildTarget::subst( OUString& instpath )
{
SvtPathOptions aOptions;
instpath = aOptions.SubstituteVariable( instpath );
}
const char aHelpMediaType[] = "application/vnd.sun.star.help";
TreeFileIterator::TreeFileIterator( OUString aLanguage )
: m_eState( IteratorState::UserExtensions )
, m_aLanguage(std::move( aLanguage ))
{
m_xContext = ::comphelper::getProcessComponentContext();
if( !m_xContext.is() )
{
throw RuntimeException( u"TreeFileIterator::TreeFileIterator(), no XComponentContext"_ustr );
}
m_xSFA = ucb::SimpleFileAccess::create(m_xContext);
m_bUserPackagesLoaded = false;
m_bSharedPackagesLoaded = false;
m_bBundledPackagesLoaded = false;
m_iUserPackage = 0;
m_iSharedPackage = 0;
m_iBundledPackage = 0;
}
Reference< deployment::XPackage > TreeFileIterator::implGetHelpPackageFromPackage
( const Reference< deployment::XPackage >& xPackage, Reference< deployment::XPackage >& o_xParentPackageBundle )
{
o_xParentPackageBundle.clear();
Reference< deployment::XPackage > xHelpPackage;
if( !xPackage.is() )
return xHelpPackage;
// Check if parent package is registered
beans::Optional< beans::Ambiguous<sal_Bool> > option( xPackage->isRegistered
( Reference<task::XAbortChannel>(), Reference<ucb::XCommandEnvironment>() ) );
bool bRegistered = false;
if( option.IsPresent )
{
beans::Ambiguous<sal_Bool> const & reg = option.Value;
if( !reg.IsAmbiguous && reg.Value )
bRegistered = true;
}
if( !bRegistered )
return xHelpPackage;
if( xPackage->isBundle() )
{
const Sequence< Reference< deployment::XPackage > > aPkgSeq = xPackage->getBundle
( Reference<task::XAbortChannel>(), Reference<ucb::XCommandEnvironment>() );
auto pSubPkg = std::find_if(aPkgSeq.begin(), aPkgSeq.end(),
[](const Reference< deployment::XPackage >& xSubPkg) {
const Reference< deployment::XPackageTypeInfo > xPackageTypeInfo = xSubPkg->getPackageType();
OUString aMediaType = xPackageTypeInfo->getMediaType();
return aMediaType == aHelpMediaType;
});
if (pSubPkg != aPkgSeq.end())
{
xHelpPackage = *pSubPkg;
o_xParentPackageBundle = xPackage;
}
}
else
{
const Reference< deployment::XPackageTypeInfo > xPackageTypeInfo = xPackage->getPackageType();
OUString aMediaType = xPackageTypeInfo->getMediaType();
if( aMediaType == aHelpMediaType )
xHelpPackage = xPackage;
}
return xHelpPackage;
}
Reference< deployment::XPackage > TreeFileIterator::implGetNextUserHelpPackage
( Reference< deployment::XPackage >& o_xParentPackageBundle )
{
Reference< deployment::XPackage > xHelpPackage;
if( !m_bUserPackagesLoaded )
{
Reference< XPackageManager > xUserManager =
thePackageManagerFactory::get( m_xContext )->getPackageManager(u"user"_ustr);
m_aUserPackagesSeq = xUserManager->getDeployedPackages
( Reference< task::XAbortChannel >(), Reference< ucb::XCommandEnvironment >() );
m_bUserPackagesLoaded = true;
}
if( m_iUserPackage == m_aUserPackagesSeq.getLength() )
{
m_eState = IteratorState::SharedExtensions; // Later: SHARED_MODULE
}
else
{
const Reference< deployment::XPackage >* pUserPackages = m_aUserPackagesSeq.getConstArray();
Reference< deployment::XPackage > xPackage = pUserPackages[ m_iUserPackage++ ];
OSL_ENSURE( xPackage.is(), "TreeFileIterator::implGetNextUserHelpPackage(): Invalid package" );
xHelpPackage = implGetHelpPackageFromPackage( xPackage, o_xParentPackageBundle );
}
return xHelpPackage;
}
Reference< deployment::XPackage > TreeFileIterator::implGetNextSharedHelpPackage
( Reference< deployment::XPackage >& o_xParentPackageBundle )
{
Reference< deployment::XPackage > xHelpPackage;
if( !m_bSharedPackagesLoaded )
{
Reference< XPackageManager > xSharedManager =
thePackageManagerFactory::get( m_xContext )->getPackageManager(u"shared"_ustr);
m_aSharedPackagesSeq = xSharedManager->getDeployedPackages
( Reference< task::XAbortChannel >(), Reference< ucb::XCommandEnvironment >() );
m_bSharedPackagesLoaded = true;
}
if( m_iSharedPackage == m_aSharedPackagesSeq.getLength() )
{
m_eState = IteratorState::BundledExtensions;
}
else
{
const Reference< deployment::XPackage >* pSharedPackages = m_aSharedPackagesSeq.getConstArray();
Reference< deployment::XPackage > xPackage = pSharedPackages[ m_iSharedPackage++ ];
OSL_ENSURE( xPackage.is(), "TreeFileIterator::implGetNextSharedHelpPackage(): Invalid package" );
xHelpPackage = implGetHelpPackageFromPackage( xPackage, o_xParentPackageBundle );
}
return xHelpPackage;
}
Reference< deployment::XPackage > TreeFileIterator::implGetNextBundledHelpPackage
( Reference< deployment::XPackage >& o_xParentPackageBundle )
{
Reference< deployment::XPackage > xHelpPackage;
if( !m_bBundledPackagesLoaded )
{
Reference< XPackageManager > xBundledManager =
thePackageManagerFactory::get( m_xContext )->getPackageManager(u"bundled"_ustr);
m_aBundledPackagesSeq = xBundledManager->getDeployedPackages
( Reference< task::XAbortChannel >(), Reference< ucb::XCommandEnvironment >() );
m_bBundledPackagesLoaded = true;
}
if( m_iBundledPackage == m_aBundledPackagesSeq.getLength() )
{
m_eState = IteratorState::EndReached;
}
else
{
const Reference< deployment::XPackage >* pBundledPackages = m_aBundledPackagesSeq.getConstArray();
Reference< deployment::XPackage > xPackage = pBundledPackages[ m_iBundledPackage++ ];
OSL_ENSURE( xPackage.is(), "TreeFileIterator::implGetNextBundledHelpPackage(): Invalid package" );
xHelpPackage = implGetHelpPackageFromPackage( xPackage, o_xParentPackageBundle );
}
return xHelpPackage;
}
static bool isLetter( sal_Unicode c )
{
return rtl::isAsciiAlpha(c);
}
void TreeFileIterator::implGetLanguageVectorFromPackage( ::std::vector< OUString > &rv,
const css::uno::Reference< css::deployment::XPackage >& xPackage )
{
rv.clear();
OUString aExtensionPath = xPackage->getURL();
const Sequence< OUString > aEntrySeq = m_xSFA->getFolderContents( aExtensionPath, true );
for( const OUString& aEntry : aEntrySeq )
{
if( m_xSFA->isFolder( aEntry ) )
{
sal_Int32 nLastSlash = aEntry.lastIndexOf( '/' );
if( nLastSlash != -1 )
{
OUString aPureEntry = aEntry.copy( nLastSlash + 1 );
// Check language scheme
int nLen = aPureEntry.getLength();
const sal_Unicode* pc = aPureEntry.getStr();
bool bStartCanBeLanguage = ( nLen >= 2 && isLetter( pc[0] ) && isLetter( pc[1] ) );
bool bIsLanguage = bStartCanBeLanguage &&
( nLen == 2 || (nLen == 5 && pc[2] == '-' && isLetter( pc[3] ) && isLetter( pc[4] )) );
if( bIsLanguage )
rv.push_back( aPureEntry );
}
}
}
}
OUString TreeFileIterator::nextTreeFile( sal_Int32& rnFileSize )
{
OUString aRetFile;
while( aRetFile.isEmpty() && m_eState != IteratorState::EndReached )
{
switch( m_eState )
{
case IteratorState::UserExtensions:
{
Reference< deployment::XPackage > xParentPackageBundle;
Reference< deployment::XPackage > xHelpPackage = implGetNextUserHelpPackage( xParentPackageBundle );
if( !xHelpPackage.is() )
break;
aRetFile = implGetTreeFileFromPackage( rnFileSize, xHelpPackage );
break;
}
case IteratorState::SharedExtensions:
{
Reference< deployment::XPackage > xParentPackageBundle;
Reference< deployment::XPackage > xHelpPackage = implGetNextSharedHelpPackage( xParentPackageBundle );
if( !xHelpPackage.is() )
break;
aRetFile = implGetTreeFileFromPackage( rnFileSize, xHelpPackage );
break;
}
case IteratorState::BundledExtensions:
{
Reference< deployment::XPackage > xParentPackageBundle;
Reference< deployment::XPackage > xHelpPackage = implGetNextBundledHelpPackage( xParentPackageBundle );
if( !xHelpPackage.is() )
break;
aRetFile = implGetTreeFileFromPackage( rnFileSize, xHelpPackage );
break;
}
case IteratorState::EndReached:
OSL_FAIL( "DataBaseIterator::nextTreeFile(): Invalid case IteratorState::EndReached" );
break;
}
}
return aRetFile;
}
OUString TreeFileIterator::expandURL( const OUString& aURL )
{
static Reference< util::XMacroExpander > xMacroExpander;
static Reference< uri::XUriReferenceFactory > xFac;
std::scoped_lock aGuard( m_aMutex );
if( !xMacroExpander.is() || !xFac.is() )
{
xFac = uri::UriReferenceFactory::create( m_xContext );
xMacroExpander = util::theMacroExpander::get(m_xContext);
}
OUString aRetURL = aURL;
Reference< uri::XUriReference > uriRef;
for (;;)
{
uriRef = xFac->parse( aRetURL );
if ( uriRef.is() )
{
Reference < uri::XVndSunStarExpandUrl > sxUri( uriRef, UNO_QUERY );
if( !sxUri.is() )
break;
aRetURL = sxUri->expand( xMacroExpander );
}
}
return aRetURL;
}
OUString TreeFileIterator::implGetTreeFileFromPackage
( sal_Int32& rnFileSize, const Reference< deployment::XPackage >& xPackage )
{
OUString aRetFile;
OUString aLanguage = m_aLanguage;
for( sal_Int32 iPass = 0 ; iPass < 2 ; ++iPass )
{
aRetFile = expandURL( xPackage->getURL() + "/" + aLanguage + "/help.tree" );
if( iPass == 0 )
{
if( m_xSFA->exists( aRetFile ) )
break;
::std::vector< OUString > av;
implGetLanguageVectorFromPackage( av, xPackage );
::std::vector< OUString >::const_iterator pFound = LanguageTag::getFallback( av, m_aLanguage );
if( pFound != av.end() )
aLanguage = *pFound;
}
}
rnFileSize = 0;
if( m_xSFA->exists( aRetFile ) )
rnFileSize = m_xSFA->getSize( aRetFile );
else
aRetFile.clear();
return aRetFile;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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