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Diffstat (limited to 'src/options/open_ostream.h')
-rw-r--r-- | src/options/open_ostream.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/options/open_ostream.h b/src/options/open_ostream.h new file mode 100644 index 000000000..ab83427a9 --- /dev/null +++ b/src/options/open_ostream.h @@ -0,0 +1,63 @@ +/********************* */ +/*! \file open_stream.h + ** \verbatim + ** Original author: Tim King + ** Major contributors: none + ** Minor contributors (to current version): none + ** This file is part of the CVC4 project. + ** Copyright (c) 2009-2016 New York University and The University of Iowa + ** See the file COPYING in the top-level source directory for licensing + ** information.\endverbatim + ** + ** \brief [[ Add one-line brief description here ]] + ** + ** [[ Add lengthier description here ]] + ** \todo document this file + **/ + +#include "cvc4_private.h" + +#ifndef __CVC4__OPEN_OSTREAM_H +#define __CVC4__OPEN_OSTREAM_H + +#include <map> +#include <ostream> +#include <string> +#include <utility> + +#include "options/option_exception.h" + +namespace CVC4 { + +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 + throw(OptionException); + + private: + const char* d_channelName; + std::map< std::string, std::ostream* > d_specialCases; + +}; /* class OstreamOpener */ + +std::string cvc4_errno_failreason(); + +}/* CVC4 namespace */ + +#endif /* __CVC4__OPEN_OSTREAM_H */ |