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-// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
-
-/******************************************************************************
- *
- * file: StdOutput.h
- *
- * Copyright (c) 2004, Michael E. Smoot
- * All rights reverved.
- *
- * See the file COPYING in the top directory of this distribution for
- * more information.
- *
- * THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- *****************************************************************************/
-
-#ifndef TCLAP_STDCMDLINEOUTPUT_H
-#define TCLAP_STDCMDLINEOUTPUT_H
-
-#include <string>
-#include <vector>
-#include <list>
-#include <iostream>
-#include <algorithm>
-
-#include <tclap/CmdLineInterface.h>
-#include <tclap/CmdLineOutput.h>
-#include <tclap/XorHandler.h>
-#include <tclap/Arg.h>
-
-namespace TCLAP {
-
-/**
- * A class that isolates any output from the CmdLine object so that it
- * may be easily modified.
- */
-class StdOutput : public CmdLineOutput
-{
-
- public:
-
- /**
- * Prints the usage to stdout. Can be overridden to
- * produce alternative behavior.
- * \param c - The CmdLine object the output is generated for.
- */
- virtual void usage(CmdLineInterface& c);
-
- /**
- * Prints the version to stdout. Can be overridden
- * to produce alternative behavior.
- * \param c - The CmdLine object the output is generated for.
- */
- virtual void version(CmdLineInterface& c);
-
- /**
- * Prints (to stderr) an error message, short usage
- * Can be overridden to produce alternative behavior.
- * \param c - The CmdLine object the output is generated for.
- * \param e - The ArgException that caused the failure.
- */
- virtual void failure(CmdLineInterface& c,
- ArgException& e );
-
- protected:
-
- /**
- * Writes a brief usage message with short args.
- * \param c - The CmdLine object the output is generated for.
- * \param os - The stream to write the message to.
- */
- void _shortUsage( CmdLineInterface& c, std::ostream& os ) const;
-
- /**
- * Writes a longer usage message with long and short args,
- * provides descriptions and prints message.
- * \param c - The CmdLine object the output is generated for.
- * \param os - The stream to write the message to.
- */
- void _longUsage( CmdLineInterface& c, std::ostream& os ) const;
-
- /**
- * This function inserts line breaks and indents long strings
- * according the params input. It will only break lines at spaces,
- * commas and pipes.
- * \param os - The stream to be printed to.
- * \param s - The string to be printed.
- * \param maxWidth - The maxWidth allowed for the output line.
- * \param indentSpaces - The number of spaces to indent the first line.
- * \param secondLineOffset - The number of spaces to indent the second
- * and all subsequent lines in addition to indentSpaces.
- */
- void spacePrint( std::ostream& os,
- const std::string& s,
- int maxWidth,
- int indentSpaces,
- int secondLineOffset ) const;
-
-};
-
-
-inline void StdOutput::version(CmdLineInterface& _cmd)
-{
- std::string progName = _cmd.getProgramName();
- std::string version = _cmd.getVersion();
-
- std::cout << std::endl << progName << " version: "
- << version << std::endl << std::endl;
-}
-
-inline void StdOutput::usage(CmdLineInterface& _cmd )
-{
- std::cout << std::endl << "USAGE: " << std::endl << std::endl;
-
- _shortUsage( _cmd, std::cout );
-
- std::cout << std::endl << std::endl << "Where: " << std::endl << std::endl;
-
- _longUsage( _cmd, std::cout );
-
- std::cout << std::endl;
-
-}
-
-inline void StdOutput::failure( CmdLineInterface& _cmd,
- ArgException& e )
-{
- std::string progName = _cmd.getProgramName();
-
- std::cerr << "PARSE ERROR: " << e.argId() << std::endl
- << " " << e.error() << std::endl << std::endl;
-
- if ( _cmd.hasHelpAndVersion() )
- {
- std::cerr << "Brief USAGE: " << std::endl;
-
- _shortUsage( _cmd, std::cerr );
-
- std::cerr << std::endl << "For complete USAGE and HELP type: "
- << std::endl << " " << progName << " --help"
- << std::endl << std::endl;
- }
- else
- usage(_cmd);
-
- throw ExitException(1);
-}
-
-inline void
-StdOutput::_shortUsage( CmdLineInterface& _cmd,
- std::ostream& os ) const
-{
- std::list<Arg*> argList = _cmd.getArgList();
- std::string progName = _cmd.getProgramName();
- XorHandler xorHandler = _cmd.getXorHandler();
- std::vector< std::vector<Arg*> > xorList = xorHandler.getXorList();
-
- std::string s = progName + " ";
-
- // first the xor
- for ( int i = 0; static_cast<unsigned int>(i) < xorList.size(); i++ )
- {
- s += " {";
- for ( ArgVectorIterator it = xorList[i].begin();
- it != xorList[i].end(); it++ )
- s += (*it)->shortID() + "|";
-
- s[s.length()-1] = '}';
- }
-
- // then the rest
- for (ArgListIterator it = argList.begin(); it != argList.end(); it++)
- if ( !xorHandler.contains( (*it) ) )
- s += " " + (*it)->shortID();
-
- // if the program name is too long, then adjust the second line offset
- int secondLineOffset = static_cast<int>(progName.length()) + 2;
- if ( secondLineOffset > 75/2 )
- secondLineOffset = static_cast<int>(75/2);
-
- spacePrint( os, s, 75, 3, secondLineOffset );
-}
-
-inline void
-StdOutput::_longUsage( CmdLineInterface& _cmd,
- std::ostream& os ) const
-{
- std::list<Arg*> argList = _cmd.getArgList();
- std::string message = _cmd.getMessage();
- XorHandler xorHandler = _cmd.getXorHandler();
- std::vector< std::vector<Arg*> > xorList = xorHandler.getXorList();
-
- // first the xor
- for ( int i = 0; static_cast<unsigned int>(i) < xorList.size(); i++ )
- {
- for ( ArgVectorIterator it = xorList[i].begin();
- it != xorList[i].end();
- it++ )
- {
- spacePrint( os, (*it)->longID(), 75, 3, 3 );
- spacePrint( os, (*it)->getDescription(), 75, 5, 0 );
-
- if ( it+1 != xorList[i].end() )
- spacePrint(os, "-- OR --", 75, 9, 0);
- }
- os << std::endl << std::endl;
- }
-
- // then the rest
- for (ArgListIterator it = argList.begin(); it != argList.end(); it++)
- if ( !xorHandler.contains( (*it) ) )
- {
- spacePrint( os, (*it)->longID(), 75, 3, 3 );
- spacePrint( os, (*it)->getDescription(), 75, 5, 0 );
- os << std::endl;
- }
-
- os << std::endl;
-
- spacePrint( os, message, 75, 3, 0 );
-}
-
-inline void StdOutput::spacePrint( std::ostream& os,
- const std::string& s,
- int maxWidth,
- int indentSpaces,
- int secondLineOffset ) const
-{
- int len = static_cast<int>(s.length());
-
- if ( (len + indentSpaces > maxWidth) && maxWidth > 0 )
- {
- int allowedLen = maxWidth - indentSpaces;
- int start = 0;
- while ( start < len )
- {
- // find the substring length
- // int stringLen = std::min<int>( len - start, allowedLen );
- // doing it this way to support a VisualC++ 2005 bug
- using namespace std;
- int stringLen = min<int>( len - start, allowedLen );
-
- // trim the length so it doesn't end in middle of a word
- if ( stringLen == allowedLen )
- while ( stringLen >= 0 &&
- s[stringLen+start] != ' ' &&
- s[stringLen+start] != ',' &&
- s[stringLen+start] != '|' )
- stringLen--;
-
- // ok, the word is longer than the line, so just split
- // wherever the line ends
- if ( stringLen <= 0 )
- stringLen = allowedLen;
-
- // check for newlines
- for ( int i = 0; i < stringLen; i++ )
- if ( s[start+i] == '\n' )
- stringLen = i+1;
-
- // print the indent
- for ( int i = 0; i < indentSpaces; i++ )
- os << " ";
-
- if ( start == 0 )
- {
- // handle second line offsets
- indentSpaces += secondLineOffset;
-
- // adjust allowed len
- allowedLen -= secondLineOffset;
- }
-
- os << s.substr(start,stringLen) << std::endl;
-
- // so we don't start a line with a space
- while ( s[stringLen+start] == ' ' && start < len )
- start++;
-
- start += stringLen;
- }
- }
- else
- {
- for ( int i = 0; i < indentSpaces; i++ )
- os << " ";
- os << s << std::endl;
- }
-}
-
-} //namespace TCLAP
-#endif
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