mirror of https://github.com/catchorg/Catch2.git
450 lines
16 KiB
C++
450 lines
16 KiB
C++
/*
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* Created by Phil on 02/11/2010.
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* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
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#include "catch_config.hpp"
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#include "catch_common.h"
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namespace Catch {
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class Command {
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public:
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Command(){}
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explicit Command( const std::string& name ) : m_name( name ) {
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}
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Command& operator += ( const std::string& arg ) {
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m_args.push_back( arg );
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return *this;
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}
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Command& operator += ( const Command& other ) {
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std::copy( other.m_args.begin(), other.m_args.end(), std::back_inserter( m_args ) );
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if( m_name.empty() )
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m_name = other.m_name;
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return *this;
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}
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Command operator + ( const Command& other ) {
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Command newCommand( *this );
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newCommand += other;
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return newCommand;
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}
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operator SafeBool::type() const {
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return SafeBool::makeSafe( !m_name.empty() || !m_args.empty() );
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}
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std::string name() const { return m_name; }
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std::string operator[]( std::size_t i ) const { return m_args[i]; }
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std::size_t argsCount() const { return m_args.size(); }
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CATCH_ATTRIBUTE_NORETURN
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void raiseError( const std::string& message ) const {
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std::ostringstream oss;
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if( m_name.empty() )
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oss << "Error while parsing " << m_name << ". " << message << ".";
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else
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oss << "Error while parsing arguments. " << message << ".";
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if( m_args.size() > 0 )
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oss << " Arguments were:";
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for( std::size_t i = 0; i < m_args.size(); ++i )
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oss << " " << m_args[i];
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throw std::domain_error( oss.str() );
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}
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private:
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std::string m_name;
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std::vector<std::string> m_args;
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};
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class CommandParser {
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public:
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CommandParser( int argc, char const * const * argv ) : m_argc( static_cast<std::size_t>( argc ) ), m_argv( argv ) {}
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Command find( const std::string& arg1, const std::string& arg2, const std::string& arg3 ) const {
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return find( arg1 ) + find( arg2 ) + find( arg3 );
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}
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Command find( const std::string& shortArg, const std::string& longArg ) const {
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return find( shortArg ) + find( longArg );
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}
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Command find( const std::string& arg ) const {
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if( arg.empty() )
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return getArgs( "", 1 );
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else
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for( std::size_t i = 1; i < m_argc; ++i )
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if( m_argv[i] == arg )
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return getArgs( m_argv[i], i+1 );
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return Command();
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}
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Command getDefaultArgs() const {
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return getArgs( "", 1 );
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}
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private:
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Command getArgs( const std::string& cmdName, std::size_t from ) const {
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Command command( cmdName );
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for( std::size_t i = from; i < m_argc && m_argv[i][0] != '-'; ++i )
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command += m_argv[i];
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return command;
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}
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std::size_t m_argc;
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char const * const * m_argv;
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};
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class OptionParser : public SharedImpl<IShared> {
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public:
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OptionParser( int minArgs = 0, int maxArgs = 0 )
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: m_minArgs( minArgs ), m_maxArgs( maxArgs )
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{}
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virtual ~OptionParser() {}
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Command find( const CommandParser& parser ) const {
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Command cmd;
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for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
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it != m_optionNames.end();
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++it )
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cmd += parser.find( *it );
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return cmd;
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}
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void validateArgs( const Command& args ) const {
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if( tooFewArgs( args ) || tooManyArgs( args ) ) {
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std::ostringstream oss;
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if( m_maxArgs == -1 )
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oss <<"Expected at least " << pluralise( static_cast<std::size_t>( m_minArgs ), "argument" );
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else if( m_minArgs == m_maxArgs )
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oss <<"Expected " << pluralise( static_cast<std::size_t>( m_minArgs ), "argument" );
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else
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oss <<"Expected between " << m_minArgs << " and " << m_maxArgs << " argument";
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args.raiseError( oss.str() );
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}
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}
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void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
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if( Command cmd = find( parser ) ) {
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validateArgs( cmd );
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parseIntoConfig( cmd, config );
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}
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) = 0;
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virtual std::string argsSynopsis() const = 0;
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virtual std::string optionSummary() const = 0;
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std::string optionNames() const {
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std::string names;
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for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
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it != m_optionNames.end();
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++it ) {
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if( !it->empty() ) {
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if( !names.empty() )
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names += ", ";
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names += *it;
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}
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else {
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names = "[" + names;
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}
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}
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if( names[0] == '[' )
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names += "]";
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return names;
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}
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protected:
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bool tooFewArgs( const Command& args ) const {
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return args.argsCount() < static_cast<std::size_t>( m_minArgs );
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}
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bool tooManyArgs( const Command& args ) const {
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return m_maxArgs >= 0 && args.argsCount() > static_cast<std::size_t>( m_maxArgs );
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}
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std::vector<std::string> m_optionNames;
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int m_minArgs;
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int m_maxArgs;
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};
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namespace Options {
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class HelpOptionParser : public OptionParser {
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public:
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HelpOptionParser() {
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m_optionNames.push_back( "-?" );
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m_optionNames.push_back( "-h" );
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m_optionNames.push_back( "--help" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "Shows this usage summary";
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}
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virtual void parseIntoConfig( const Command&, ConfigData& ) {
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// Does not affect config
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}
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};
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class TestCaseOptionParser : public OptionParser {
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public:
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TestCaseOptionParser() : OptionParser( 1, -1 ) {
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m_optionNames.push_back( "-t" );
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m_optionNames.push_back( "--test" );
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m_optionNames.push_back( "" ); // default option
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}
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virtual std::string argsSynopsis() const {
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return "<testspec> [<testspec>...]";
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}
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virtual std::string optionSummary() const {
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return "Specify which test case or cases to run";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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std::string groupName;
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for( std::size_t i = 0; i < cmd.argsCount(); ++i ) {
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if( i != 0 )
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groupName += " ";
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groupName += cmd[i];
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}
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TestCaseFilters filters( groupName );
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for( std::size_t i = 0; i < cmd.argsCount(); ++i ) {
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if( startsWith( cmd[i], "exclude:" ) )
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filters.addFilter( TestCaseFilter( cmd[i].substr( 8 ), IfFilterMatches::ExcludeTests ) );
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else if( startsWith( cmd[i], "~" ) )
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filters.addFilter( TestCaseFilter( cmd[i].substr( 1 ), IfFilterMatches::ExcludeTests ) );
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else
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filters.addFilter( TestCaseFilter( cmd[i] ) );
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}
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config.filters.push_back( filters );
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}
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};
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class ListOptionParser : public OptionParser {
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public:
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ListOptionParser() : OptionParser( 0, 2 ) {
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m_optionNames.push_back( "-l" );
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m_optionNames.push_back( "--list" );
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}
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virtual std::string argsSynopsis() const {
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return "[all | tests | reporters [xml]]";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.listSpec = List::TestNames;
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if( cmd.argsCount() >= 1 ) {
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if( cmd[0] == "all" )
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config.listSpec = List::All;
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else if( cmd[0] == "tests" )
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config.listSpec = List::Tests;
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else if( cmd[0] == "reporters" )
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config.listSpec = List::Reports;
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else
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cmd.raiseError( "Expected [tests] or [reporters]" );
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}
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if( cmd.argsCount() >= 2 ) {
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if( cmd[1] == "xml" )
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config.listSpec = static_cast<List::What>( config.listSpec | List::AsXml );
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else if( cmd[1] == "text" )
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config.listSpec = static_cast<List::What>( config.listSpec | List::AsText );
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else
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cmd.raiseError( "Expected [xml] or [text]" );
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}
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}
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};
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class ReporterOptionParser : public OptionParser {
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public:
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ReporterOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-r" );
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m_optionNames.push_back( "--reporter" );
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}
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virtual std::string argsSynopsis() const {
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return "<reporter name>";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.reporter = cmd[0];
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}
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};
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class OutputOptionParser : public OptionParser {
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public:
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OutputOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-o" );
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m_optionNames.push_back( "--out" );
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}
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virtual std::string argsSynopsis() const {
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return "<file name>|<%stream name>";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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if( cmd[0][0] == '%' )
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config.stream = cmd[0].substr( 1 );
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else
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config.outputFilename = cmd[0];
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}
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};
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class SuccesssOptionParser : public OptionParser {
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public:
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SuccesssOptionParser() {
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m_optionNames.push_back( "-s" );
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m_optionNames.push_back( "--success" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.includeWhichResults = Include::SuccessfulResults;
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}
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};
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class DebugBreakOptionParser : public OptionParser {
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public:
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DebugBreakOptionParser() {
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m_optionNames.push_back( "-b" );
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m_optionNames.push_back( "--break" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.shouldDebugBreak = true;
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}
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};
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class NameOptionParser : public OptionParser {
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public:
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NameOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-n" );
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m_optionNames.push_back( "--name" );
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}
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virtual std::string argsSynopsis() const {
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return "<name>";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.name = cmd[0];
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}
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};
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class AbortOptionParser : public OptionParser {
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public:
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AbortOptionParser() : OptionParser( 0, 1 ) {
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m_optionNames.push_back( "-a" );
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m_optionNames.push_back( "--abort" );
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}
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virtual std::string argsSynopsis() const {
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return "[#]";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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int threshold = 1;
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if( cmd.argsCount() == 1 ) {
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std::stringstream ss;
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ss << cmd[0];
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ss >> threshold;
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if( ss.fail() || threshold <= 0 )
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cmd.raiseError( "threshold must be a number greater than zero" );
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}
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config.cutoff = threshold;
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}
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};
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class NoThrowOptionParser : public OptionParser {
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public:
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NoThrowOptionParser() {
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m_optionNames.push_back( "-nt" );
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m_optionNames.push_back( "--nothrow" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "!TBD";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.allowThrows = false;
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}
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};
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}
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class AllOptions
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{
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public:
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typedef std::vector<Ptr<OptionParser> > Parsers;
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typedef Parsers::const_iterator const_iterator;
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typedef Parsers::const_iterator iterator;
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AllOptions() {
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add<Options::TestCaseOptionParser>();
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add<Options::ListOptionParser>();
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add<Options::ReporterOptionParser>();
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add<Options::OutputOptionParser>();
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add<Options::SuccesssOptionParser>();
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add<Options::DebugBreakOptionParser>();
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add<Options::NameOptionParser>();
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add<Options::AbortOptionParser>();
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add<Options::NoThrowOptionParser>();
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add<Options::HelpOptionParser>();
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}
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void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
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for( const_iterator it = m_parsers.begin(); it != m_parsers.end(); ++it )
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(*it)->parseIntoConfig( parser, config );
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}
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const_iterator begin() const {
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return m_parsers.begin();
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}
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const_iterator end() const {
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return m_parsers.end();
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}
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private:
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template<typename T>
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void add() {
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m_parsers.push_back( new T() );
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}
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Parsers m_parsers;
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};
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
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