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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 .
*/
#pragma once
#include <com/sun/star/ucb/XSimpleFileAccess3.hpp>
#include <comphelper/fileurl.hxx>
#include <osl/diagnose.h>
#include <rtl/string.hxx>
#include <memory>
#include <unordered_map>
namespace helpdatafileproxy {
class HDFData
{
friend class Hdf;
int m_nSize;
std::unique_ptr<char[]> m_pBuffer;
void copyToBuffer( const char* pSrcData, int nSize );
public:
HDFData() : m_nSize( 0 ) {}
int getSize() const
{ return m_nSize; }
const char* getData() const
{ return m_pBuffer.get(); }
};
typedef std::unordered_map< OString,std::pair<int,int> > StringToValPosMap;
typedef std::unordered_map< OString,OString > StringToDataMap;
class Hdf
{
OUString m_aFileURL;
std::unique_ptr<StringToDataMap> m_pStringToDataMap;
std::unique_ptr<StringToValPosMap> m_pStringToValPosMap;
css::uno::Reference< css::ucb::XSimpleFileAccess3 >
m_xSFA;
css::uno::Sequence< sal_Int8 >
m_aItData;
int m_nItRead;
int m_iItPos;
static bool implReadLenAndData(
const char* pData, char const * end, 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,
css::uno::Reference< css::ucb::XSimpleFileAccess3 > const & xSFA )
: m_aFileURL( rFileURL )
, m_xSFA( xSFA )
, m_nItRead( -1 )
, m_iItPos( -1 )
{
OSL_ASSERT(comphelper::isFileUrl(rFileURL));
}
~Hdf();
void createHashMap( bool bOptimizeForPerformance );
void releaseHashMap();
bool getValueForKey( const OString& rKey, HDFData& rValue );
bool startIteration();
bool getNextKeyAndValue( HDFData& rKey, HDFData& rValue );
void stopIteration();
Hdf(const Hdf&) = delete;
void operator=(const Hdf&) = delete;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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