133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/* -*- 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 .
|
|
*/
|
|
#ifndef HELPDATAFILEPROXY_DB_HXX_
|
|
#define HELPDATAFILEPROXY_DB_HXX_
|
|
|
|
#include "com/sun/star/ucb/XSimpleFileAccess3.hpp"
|
|
|
|
#include <config_global.h>
|
|
#if !HAVE_CXX11
|
|
#define BOOST_NO_0X_HDR_TYPEINDEX
|
|
#endif
|
|
#include <boost/unordered_map.hpp>
|
|
#include <rtl/string.hxx>
|
|
|
|
namespace helpdatafileproxy {
|
|
|
|
namespace hdf_internal
|
|
{
|
|
class Noncopyable
|
|
{
|
|
// not implemented
|
|
Noncopyable(const Noncopyable&);
|
|
void operator=(const Noncopyable&);
|
|
protected:
|
|
Noncopyable() {}
|
|
~Noncopyable() {}
|
|
};
|
|
}
|
|
|
|
class HDFData
|
|
{
|
|
friend class Hdf;
|
|
|
|
int m_nSize;
|
|
char* m_pBuffer;
|
|
|
|
void copyToBuffer( const char* pSrcData, int nSize );
|
|
|
|
public:
|
|
HDFData( void )
|
|
: m_nSize( 0 )
|
|
, m_pBuffer( NULL )
|
|
{}
|
|
~HDFData()
|
|
{ delete [] m_pBuffer; }
|
|
|
|
int getSize() const
|
|
{ return m_nSize; }
|
|
const char* getData() const
|
|
{ return m_pBuffer; }
|
|
};
|
|
|
|
struct eq
|
|
{
|
|
bool operator()( const OString& rKey1, const OString& rKey2 ) const
|
|
{ return (rKey1 == rKey2); }
|
|
};
|
|
|
|
struct ha
|
|
{
|
|
size_t operator()( const OString& rName ) const
|
|
{ return rName.hashCode(); }
|
|
};
|
|
|
|
typedef boost::unordered_map< OString,std::pair<int,int>,ha,eq > StringToValPosMap;
|
|
typedef boost::unordered_map< OString,OString,ha,eq > StringToDataMap;
|
|
|
|
class Hdf : hdf_internal::Noncopyable
|
|
{
|
|
OUString m_aFileURL;
|
|
StringToDataMap* m_pStringToDataMap;
|
|
StringToValPosMap* m_pStringToValPosMap;
|
|
com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess3 >
|
|
m_xSFA;
|
|
|
|
com::sun::star::uno::Sequence< sal_Int8 >
|
|
m_aItData;
|
|
const char* m_pItData;
|
|
int m_nItRead;
|
|
int m_iItPos;
|
|
|
|
bool implReadLenAndData( const char* pData, int& riPos, HDFData& rValue );
|
|
|
|
public:
|
|
//HDFHelp must get a fileURL which can then directly be used by simple file access.
|
|
//SimpleFileAccess requires file URLs as arguments. Passing file path may work but fails
|
|
//for example when using long file paths on Windows, which start with "\\?\"
|
|
Hdf( const OUString& rFileURL,
|
|
com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess3 > xSFA )
|
|
: m_aFileURL( rFileURL )
|
|
, m_pStringToDataMap( NULL )
|
|
, m_pStringToValPosMap( NULL )
|
|
, m_xSFA( xSFA )
|
|
, m_pItData( NULL )
|
|
, m_nItRead( -1 )
|
|
, m_iItPos( -1 )
|
|
{
|
|
OSL_ASSERT(rFileURL.startsWith("file:"));
|
|
}
|
|
~Hdf()
|
|
{ releaseHashMap(); }
|
|
|
|
void createHashMap( bool bOptimizeForPerformance = false );
|
|
void releaseHashMap( void );
|
|
|
|
bool getValueForKey( const OString& rKey, HDFData& rValue );
|
|
|
|
bool startIteration( void );
|
|
bool getNextKeyAndValue( HDFData& rKey, HDFData& rValue );
|
|
void stopIteration( void );
|
|
};
|
|
}
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|