163 lines
5.5 KiB
C++
163 lines
5.5 KiB
C++
/*
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* Copyright (C) 1999, 2000, 2001, 2002
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* Heikki Tauriainen <Heikki.Tauriainen@hut.fi>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef DISPUTIL_H
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#define DISPUTIL_H
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#ifdef __GNUC__
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#pragma interface
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#endif /* __GNUC__ */
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#include <config.h>
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#include <iostream>
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#include <string>
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#include "Configuration.h"
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#include "SharedTestData.h"
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#include "TestRoundInfo.h"
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using namespace std;
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extern Configuration configuration;
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/******************************************************************************
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*
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* Prototypes for miscellaneous routines for controlling output stream
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* formatting and writing text into a stream.
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*
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*****************************************************************************/
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namespace DispUtil
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{
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void changeStreamFormatting /* Changes the state of */
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(ostream& stream, int width, int precision, /* an output stream and */
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ios::fmtflags flags); /* saves its previous
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* state.
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*/
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void restoreStreamFormatting(ostream& stream); /* Restores a previously
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* saved state of an
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* output stream.
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*/
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void printTextBlock /* Writes an indented */
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(ostream& stream, int indent, const string& text, /* and word-wrapped */
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int max_line_len); /* block of text into
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* a stream.
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*/
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/******************************************************************************
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*
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* A data stucture for storing information about the state of an output stream.
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*
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*****************************************************************************/
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struct StreamFormatting
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{
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int width; /* Field width. */
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int precision; /* Floating-point
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* precision.
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*/
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ios::fmtflags flags; /* Various flags affecting
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* e.g. the justification
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* of output.
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*/
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bool printText /* "Verbosity-aware" */
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(const char* text, /* functions for writing */
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const int verbosity_threshold, /* text to standard */
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const int indent); /* output. */
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bool printText
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(const string& text,
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const int verbosity_threshold,
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const int indent);
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};
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/******************************************************************************
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*
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* Functions for printing text on standard output.
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*
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*****************************************************************************/
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/* ========================================================================= */
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inline bool printText
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(const char* text, const int verbosity_threshold, const int indent = 0)
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/* ----------------------------------------------------------------------------
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*
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* Description: Writes text on the standard output if the current output
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* verbosity level is greater or equal to a given threshold.
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*
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* Arguments: text -- Text to write.
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* verbosity_threshold -- Verbosity level threshold.
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* indent -- Number of spaces to print on the
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* left of the text.
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*
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* ------------------------------------------------------------------------- */
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{
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if (configuration.global_options.verbosity >= verbosity_threshold)
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{
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if (indent > 0)
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SharedTestData::round_info.cout << string(indent, ' ');
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SharedTestData::round_info.cout << text;
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SharedTestData::round_info.cout.flush();
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return true;
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}
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return false;
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}
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/* ========================================================================= */
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inline bool printText
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(const string& text, const int verbosity_threshold, const int indent = 0)
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/* ----------------------------------------------------------------------------
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*
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* Description: Writes text on the standard output if the current output
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* verbosity level is greater or equal to a given threshold.
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*
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* Arguments: text -- Text to write.
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* verbosity_threshold -- Verbosity level threshold.
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* indent -- Number of spaces to print on the
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* left of the text.
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*
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* Returns: `true' if anything was written to standard output.
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*
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* ------------------------------------------------------------------------- */
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{
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if (configuration.global_options.verbosity >= verbosity_threshold)
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{
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if (indent > 0)
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SharedTestData::round_info.cout << string(indent, ' ');
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SharedTestData::round_info.cout << text;
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SharedTestData::round_info.cout.flush();
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return true;
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}
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return false;
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}
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}
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#endif /* !DISPUTIL_H */
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