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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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/.
*/
#ifndef INCLUDED_SC_INC_FORMULALOGGER_HXX
#define INCLUDED_SC_INC_FORMULALOGGER_HXX
#include <osl/file.hxx>
#include <memory>
#include <vector>
#include <config_options_calc.h>
class ScFormulaCell;
class ScDocument;
namespace sc {
#if ENABLE_FORMULA_LOGGER
/**
* Outputs formula calculation log outputs to specified file.
*/
class FormulaLogger
{
std::unique_ptr<osl::File> mpLogFile;
std::vector<OUString> maMessages;
sal_Int32 mnNestLevel = 0;
void writeAscii( const char* s );
void writeAscii( const char* s, size_t n );
void write( const OUString& ou );
void write( sal_Int32 n );
void sync();
void writeNestLevel();
public:
static FormulaLogger& get();
/**
* This class is only moveable.
*/
class GroupScope
{
friend class FormulaLogger;
struct Impl;
std::unique_ptr<Impl> mpImpl;
public:
GroupScope() = delete;
GroupScope( const GroupScope& ) = delete;
GroupScope& operator= ( const GroupScope& ) = delete;
private:
GroupScope(
FormulaLogger& rLogger, const OUString& rPrefix,
const ScDocument& rDoc, const ScFormulaCell& rCell );
public:
GroupScope( GroupScope&& r );
~GroupScope();
/**
* Add an arbitrary message to dump to the log.
*/
void addMessage( const OUString& rMsg );
/**
* Call this when the group calculation has finished successfullly.
*/
void setCalcComplete();
};
FormulaLogger( const FormulaLogger& ) = delete;
FormulaLogger& operator= ( const FormulaLogger& ) = delete;
FormulaLogger();
~FormulaLogger();
GroupScope enterGroup( const ScDocument& rDoc, const ScFormulaCell& rCell );
};
#else
/**
* Dummy class with all empty inline methods.
*/
class FormulaLogger
{
public:
static FormulaLogger get()
{
return FormulaLogger();
}
class GroupScope
{
public:
void addMessage( const OUString& /*rMsg*/ ) {}
void setCalcComplete() {}
};
GroupScope enterGroup( const ScDocument& /*rDoc*/, const ScFormulaCell& /*rCell*/ )
{
return GroupScope();
}
};
#endif // ENABLE_FORMULA_LOGGER
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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