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/******************************************************************************
* Top contributors (to current version):
* Tim King, Mathias Preiner
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* [[ Add one-line brief description here ]]
*
* [[ Add lengthier description here ]]
* \todo document this file
*/
#include "cvc5_private.h"
#ifndef CVC5__OPEN_OSTREAM_H
#define CVC5__OPEN_OSTREAM_H
#include <iosfwd>
#include <map>
#include <string>
#include <utility>
namespace cvc5 {
class OstreamOpener {
public:
OstreamOpener(const char* channelName);
void addSpecialCase(const std::string& name, std::ostream* out);
/**
* If name == "", this throws OptionException with the message, messageIfEmpty.
* If name is a special case, this return <false, out> where out is the
* special case that was added.
* If name == "std::cerr", this return <false, &cerr>.
* If none of the previous conditions hold and !options::filesystemAccess(),
* this throws an OptionException.
* Otherwise, this attempts to open a ofstream using the filename, name.
* If this fails, this throws and OptionException. If this succeeds, this
* returns <true, stream> where stream is a ostream allocated by new.
* The caller is in this case the owner of the allocated memory.
*/
std::pair<bool, std::ostream*> open(const std::string& name) const;
private:
const char* d_channelName;
std::map< std::string, std::ostream* > d_specialCases;
}; /* class OstreamOpener */
std::string cvc5_errno_failreason();
} // namespace cvc5
#endif /* CVC5__OPEN_OSTREAM_H */
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