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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/.
*/
#include <ResourceIndexAccess.hxx>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <osl/mutex.hxx>
#include <tools/rcid.h>
#include <tools/resary.hxx>
#include <tools/resmgr.hxx>
#include <vcl/svapp.hxx>
using namespace ::extensions::resource;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
namespace
{
static ::boost::shared_ptr<ResMgr> GetResMgr(Sequence<Any> const& rArgs)
{
if(rArgs.getLength()!=1)
return ::boost::shared_ptr<ResMgr>();
OUString sFilename;
rArgs[0] >>= sFilename;
SolarMutexGuard aGuard;
const OString sEncName(OUStringToOString(sFilename, osl_getThreadTextEncoding()));
return ::boost::shared_ptr<ResMgr>(ResMgr::CreateResMgr(sEncName.getStr()));
}
class ResourceIndexAccessBase : public cppu::WeakImplHelper1< ::com::sun::star::container::XIndexAccess>
{
public:
ResourceIndexAccessBase( ::boost::shared_ptr<ResMgr> pResMgr)
: m_pResMgr(pResMgr)
{
OSL_ENSURE(m_pResMgr, "no resource manager given");
}
// XIndexAccess
virtual ::sal_Int32 SAL_CALL getCount( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
{ return m_pResMgr.get() ? SAL_MAX_UINT16 : 0; };
// XElementAccess
virtual sal_Bool SAL_CALL hasElements( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
{ return static_cast<bool>(m_pResMgr.get()); };
protected:
// m_pResMgr should never be NULL
const ::boost::shared_ptr<ResMgr> m_pResMgr;
};
class ResourceStringIndexAccess : public ResourceIndexAccessBase
{
public:
ResourceStringIndexAccess( ::boost::shared_ptr<ResMgr> pResMgr)
: ResourceIndexAccessBase(pResMgr) {}
// XIndexAccess
virtual ::com::sun::star::uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// XElementAccessBase
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
{ return ::cppu::UnoType<OUString>::get(); };
};
class ResourceStringListIndexAccess : public ResourceIndexAccessBase
{
public:
ResourceStringListIndexAccess( ::boost::shared_ptr<ResMgr> pResMgr)
: ResourceIndexAccessBase(pResMgr) {}
// XIndexAccess
virtual ::com::sun::star::uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// XElementAccessBase
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
{ return ::getCppuType(static_cast<Sequence<PropertyValue> * >(0)); };
};
}
ResourceIndexAccess::ResourceIndexAccess(Sequence<Any> const& rArgs, Reference<XComponentContext> const&)
: m_pResMgr(GetResMgr(rArgs))
{};
Reference<XInterface> initResourceIndexAccess(ResourceIndexAccess* pResourceIndexAccess)
{
Reference<XInterface> xResult(static_cast<cppu::OWeakObject*>(pResourceIndexAccess));
if(!pResourceIndexAccess->hasElements())
// xResult does not help the client to analyse the problem
// and will crash on getByIndex calls, better just give back an empty Reference
// so that such ResourceStringIndexAccess instances are never release into the wild
throw RuntimeException(
OUString("resource manager could not get initialized"),
/* xResult */ Reference<XInterface>());
return xResult;
}
Any SAL_CALL ResourceIndexAccess::getByName(const OUString& aName)
throw (NoSuchElementException, WrappedTargetException, RuntimeException, std::exception)
{
const Sequence<OUString> aNames(getElementNames());
Reference<XIndexAccess> xResult;
switch(::std::find(aNames.begin(), aNames.end(), aName) - aNames.begin())
{
case 0:
xResult = Reference<XIndexAccess>(new ResourceStringIndexAccess(m_pResMgr));
break;
case 1:
xResult = Reference<XIndexAccess>(new ResourceStringListIndexAccess(m_pResMgr));
break;
default:
throw NoSuchElementException();
}
return makeAny(xResult);
}
Sequence<OUString> SAL_CALL ResourceIndexAccess::getElementNames( )
throw (RuntimeException, std::exception)
{
static Sequence<OUString> aResult;
if( aResult.getLength() == 0)
{
aResult.realloc(2);
aResult[0] = "String";
aResult[1] = "StringList";
}
return aResult;
}
sal_Bool SAL_CALL ResourceIndexAccess::hasByName(const OUString& aName)
throw (RuntimeException, std::exception)
{
const Sequence<OUString> aNames(getElementNames());
return (::std::find(aNames.begin(), aNames.end(), aName) != aNames.end());
}
Any SAL_CALL ResourceStringIndexAccess::getByIndex(sal_Int32 nIdx)
throw (IndexOutOfBoundsException, WrappedTargetException, RuntimeException, std::exception)
{
if(nIdx > SAL_MAX_UINT16 || nIdx < 0)
throw IndexOutOfBoundsException();
SolarMutexGuard aGuard;
if(!m_pResMgr.get())
throw RuntimeException(
OUString("resource manager not available"),
Reference<XInterface>());
const ResId aId(static_cast<sal_uInt16>(nIdx), *m_pResMgr);
aId.SetRT(RSC_STRING);
if(!m_pResMgr->IsAvailable(aId))
throw RuntimeException(
OUString("string resource for id not available"),
Reference<XInterface>());
return makeAny(aId.toString());
}
Any SAL_CALL ResourceStringListIndexAccess::getByIndex(sal_Int32 nIdx)
throw (IndexOutOfBoundsException, WrappedTargetException, RuntimeException, std::exception)
{
if(nIdx > SAL_MAX_UINT16 || nIdx < 0)
throw IndexOutOfBoundsException();
SolarMutexGuard aGuard;
if(!m_pResMgr.get())
throw RuntimeException(
OUString("resource manager not available"),
Reference<XInterface>());
const ResId aId(static_cast<sal_uInt16>(nIdx), *m_pResMgr);
aId.SetRT(RSC_STRINGARRAY);
if(!m_pResMgr->IsAvailable(aId))
throw RuntimeException(
OUString("string list resource for id not available"),
Reference<XInterface>());
const ResStringArray aStringList(aId);
Sequence<PropertyValue> aPropList(aStringList.Count());
for(sal_Int32 nCount = 0; nCount != aPropList.getLength(); ++nCount)
{
aPropList[nCount].Name = aStringList.GetString(nCount);
aPropList[nCount].Handle = -1;
aPropList[nCount].Value <<= aStringList.GetValue(nCount);
aPropList[nCount].State = PropertyState_DIRECT_VALUE;
}
return makeAny(aPropList);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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