xref: /aoo41x/main/sal/osl/w32/path_helper.hxx (revision cdf0e10c)

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 * Copyright 2000, 2010 Oracle and/or its affiliates.
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 *
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#ifdef _MSC_VER
#pragma warning (disable : 4800)
#endif

#ifndef _PATH_HELPER_HXX_
#define _PATH_HELPER_HXX_

#include "path_helper.h"
#include <rtl/ustring.hxx>
#include <rtl/allocator.hxx>

namespace osl
{

/*******************************************************************
 osl_systemPathEnsureSeparator
 Adds a trailing path separator to the given system path if not
 already there and if the path is not the root path or a logical
 drive alone
 ******************************************************************/

inline void systemPathEnsureSeparator(/*inout*/ rtl::OUString& Path)
{
    osl_systemPathEnsureSeparator(&Path.pData);
}

/*******************************************************************
 osl_systemPathRemoveSeparator
 Removes the last separator from the given system path if any and
 if the path is not the root path '\'
 ******************************************************************/

inline void systemPathRemoveSeparator(/*inout*/ rtl::OUString& Path)
{
    osl_systemPathRemoveSeparator(&Path.pData);
}

/*******************************************************************
 osl_systemPathIsLogicalDrivePattern
 ******************************************************************/

inline bool systemPathIsLogicalDrivePattern(/*in*/ const rtl::OUString& path)
{
    return osl_systemPathIsLogicalDrivePattern(path.pData);
}

/*******************************************************************
 LongPathBuffer
 ******************************************************************/
template< class T >
class LongPathBuffer
{
    T* m_pBuffer;
    sal_uInt32 m_nCharNum;

    LongPathBuffer();
    LongPathBuffer( const LongPathBuffer& );
    LongPathBuffer& operator=( const LongPathBuffer& );

public:
    LongPathBuffer( sal_uInt32 nCharNum )
    : m_pBuffer( reinterpret_cast<T*>( rtl_allocateMemory( nCharNum * sizeof( T ) ) ) )
    , m_nCharNum( nCharNum )
    {
        OSL_ENSURE( m_pBuffer, "Can not allocate the buffer!" );
    }

    ~LongPathBuffer()
    {
        if ( m_pBuffer )
            rtl_freeMemory( m_pBuffer );
        m_pBuffer = 0;
    }

    sal_uInt32 getBufSizeInSymbols()
    {
        return m_nCharNum;
    }

    operator T* ()
    {
        return m_pBuffer;
    }

};

    template< class U, class T > U mingw_reinterpret_cast(LongPathBuffer<T>& a) { return reinterpret_cast<U>(static_cast<T*>(a)); }

} // end namespace osl

#endif