L1Menu/src/TriggerMenu.cpp

#include "l1menu/TriggerMenu.h"

#include <stdexcept>
#include <fstream>
#include <sstream>
#include <iostream>
#include "l1menu/ITrigger.h"

namespace // Use the unnamed namespace for things only used in this file
{
        /// ASCII codes of characters that are considered whitespace (space, tab, carriage return, line feed).
    const char* whitespace="\x20\x09\x0D\x0A";

    /** @brief Converts the entire string to a float or throws an exception. */
    float convertStringToFloat( const std::string& string )
    {
        float returnValue;
        std::stringstream stringConverter( string );
        stringConverter >> returnValue;
        if( stringConverter.fail() || !stringConverter.eof() ) throw std::runtime_error( "Unable to convert \""+string+"\" to a float" );
        return returnValue;
    }

    /** @brief Splits a string into individual parts delimited by whitespace. */
    std::vector<std::string> splitByWhitespace( const std::string& stringToSplit )
    {
        std::vector<std::string> returnValue;

        size_t currentPosition=0;
        size_t nextDelimeter=0;
        do
        {
            // Skip over any leading whitespace
            size_t nextElementStart=stringToSplit.find_first_not_of( whitespace, currentPosition );
            if( nextElementStart!=std::string::npos ) currentPosition=nextElementStart;

            // Find the next whitespace and subtract everything up to that point
            nextDelimeter=stringToSplit.find_first_of( whitespace, currentPosition );
            std::string element=stringToSplit.substr( currentPosition, nextDelimeter-currentPosition );
            returnValue.push_back(element);

            // skip over any trailing whitespace
            nextElementStart=stringToSplit.find_first_not_of( whitespace, nextDelimeter );
            if( nextElementStart!=std::string::npos ) currentPosition=nextElementStart;
            else nextDelimeter=std::string::npos;

        } while( nextDelimeter!=std::string::npos );

        return returnValue;
    }

} // end of the unnamed namespace


l1menu::TriggerMenu::TriggerMenu() : triggerTable_( l1menu::TriggerTable::instance() )
{
        // No operation besides the initialiser list
}

l1menu::TriggerMenu::~TriggerMenu()
{
        // No operation since I switched from raw pointers to unique_ptr.
}

l1menu::TriggerMenu::TriggerMenu( const TriggerMenu& otherTriggerMenu )
        : triggerTable_(otherTriggerMenu.triggerTable_)
{
        for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
        {
                l1menu::ITrigger& sourceTrigger=**iTrigger;

                triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
        }

        // Make sure triggerResults_ is always the same size as triggers_
        triggerResults_.resize( triggers_.size() );
}

l1menu::TriggerMenu::TriggerMenu( TriggerMenu&& otherTriggerMenu ) noexcept
        : triggerTable_(otherTriggerMenu.triggerTable_), triggers_( std::move(otherTriggerMenu.triggers_) ),
          triggerResults_( std::move(otherTriggerMenu.triggerResults_) )
{
        // No operation besides the initialiser list
}

l1menu::TriggerMenu& l1menu::TriggerMenu::operator=( const l1menu::TriggerMenu& otherTriggerMenu )
{
        //
        // First clean up whatever triggers I had before
        //
        triggers_.clear();

        //
        // Now copy the triggers from the other menu
        //
        for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
        {
                l1menu::ITrigger& sourceTrigger=**iTrigger;

                triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
        }

        // Make sure triggerResults_ is always the same size as triggers_
        triggerResults_.resize( triggers_.size() );

        return *this;
}

l1menu::TriggerMenu& l1menu::TriggerMenu::operator=( l1menu::TriggerMenu&& otherTriggerMenu ) noexcept
{
        triggers_=std::move( otherTriggerMenu.triggers_ );
        triggerResults_=std::move(otherTriggerMenu.triggerResults_);

        return *this;
}

bool l1menu::TriggerMenu::addTrigger( const std::string& triggerName )
{
        std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName );
        if( pNewTrigger.get()==NULL ) return false;

        triggers_.push_back( std::move(pNewTrigger) );

        // Make sure triggerResults_ is always the same size as triggers_
        triggerResults_.resize( triggers_.size() );
        return true;
}

bool l1menu::TriggerMenu::addTrigger( const std::string& triggerName, unsigned int version )
{
        std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName, version );
        if( pNewTrigger.get()==NULL ) return false;

        triggers_.push_back( std::move(pNewTrigger) );

        // Make sure triggerResults_ is always the same size as triggers_
        triggerResults_.resize( triggers_.size() );
        return true;
}

size_t l1menu::TriggerMenu::numberOfTriggers() const
{
        return triggers_.size();
}

l1menu::ITrigger& l1menu::TriggerMenu::getTrigger( size_t position )
{
        if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );

        return *triggers_[position];
}

const l1menu::ITrigger& l1menu::TriggerMenu::getTrigger( size_t position ) const
{
        if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );

        return *triggers_[position];
}

std::unique_ptr<l1menu::ITrigger> l1menu::TriggerMenu::getTriggerCopy( size_t position ) const
{
        if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );

        return triggerTable_.copyTrigger(*triggers_[position]);
}

bool l1menu::TriggerMenu::apply( const l1menu::IEvent& event ) const
{
        bool atLeastOneTriggerHasFired=false;

        for( size_t triggerNumber=0; triggerNumber<triggers_.size(); ++triggerNumber )
        {
                bool result=triggers_[triggerNumber]->apply(event);
//              triggerResults_[triggerNumber]=result;
                if( result ) atLeastOneTriggerHasFired=true;
        }

        return atLeastOneTriggerHasFired;
}

void l1menu::TriggerMenu::loadMenuFromFile( const std::string& filename )
{
        std::ifstream file( filename.c_str() );
        if( !file.is_open() ) throw std::runtime_error( "Unable to open file "+filename );

        loadMenuInOldFormat( file );
}

void l1menu::TriggerMenu::loadMenuInOldFormat( std::ifstream& file )
{
        const size_t bufferSize=200;
        char buffer[bufferSize];

        while( file.good() )
        {
                try
                {
                        // Get one line at a time
                        file.getline( buffer, bufferSize );

                        // split the line by whitespace into columns
                        std::vector<std::string> tableColumns=::splitByWhitespace( buffer );

                        if( tableColumns.size()==1 && tableColumns[0].empty() ) continue; // Allow blank lines without giving a warning
                        if( tableColumns.size()!=12 ) throw std::runtime_error( "The line does not have the correct number of columns" );

                        float prescale=::convertStringToFloat( tableColumns[2] );
                        if( prescale!=0 )
                        {
                                if( addTrigger( tableColumns[0] ) ) // Try and create a trigger with the name supplied
                                {
                                        std::cout << "Added trigger \"" << tableColumns[0] << "\"" << std::endl;

                                        l1menu::ITrigger& newTrigger=*(triggers_.back());

                                        // Try and set all of the relevant parameters. I know not all triggers have these parameters
                                        // so wrap in individual try/catch blocks.
                                        try{ newTrigger.parameter("threshold1")=::convertStringToFloat( tableColumns[3] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                        try{ newTrigger.parameter("threshold2")=::convertStringToFloat( tableColumns[4] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                        try{ newTrigger.parameter("threshold3")=::convertStringToFloat( tableColumns[5] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                        try{ newTrigger.parameter("threshold4")=::convertStringToFloat( tableColumns[6] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                        try{ newTrigger.parameter("etaCut")=::convertStringToFloat( tableColumns[7] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                        try{ newTrigger.parameter("muonQuality")=::convertStringToFloat( tableColumns[8] ); }
                                        catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters

                                } // end of "if able to add trigger"
                                else std::cout << "The trigger \"" << tableColumns[0] << "\" is not registered in the trigger table" << std::endl;
                        } // end of "if( prescale!=0 )"
                } // end of try block
                catch( std::runtime_error& exception )
                {
                        std::cout << "Some error occured while processing the line \"" << buffer << "\":" << exception.what() << std::endl;
                }
        }
}
Revision:	1.3
Committed:	Tue May 28 23:14:03 2013 UTC (11 years, 11 months ago) by grimes
Branch:	MAIN
Changes since 1.2:	+40 -36 lines
Log Message:	Numerous changes
#	User	Rev	Content
1	grimes	1.1	#include "l1menu/TriggerMenu.h"
2
3			#include <stdexcept>
4			#include <fstream>
5			#include <sstream>
6			#include <iostream>
7			#include "l1menu/ITrigger.h"
8
9			namespace // Use the unnamed namespace for things only used in this file
10			{
11	grimes	1.3	/// ASCII codes of characters that are considered whitespace (space, tab, carriage return, line feed).
12	grimes	1.1	const char* whitespace="\x20\x09\x0D\x0A";
13
14	grimes	1.3	/** @brief Converts the entire string to a float or throws an exception. */
15	grimes	1.1	float convertStringToFloat( const std::string& string )
16			{
17			float returnValue;
18			std::stringstream stringConverter( string );
19			stringConverter >> returnValue;
20			if( stringConverter.fail() \|\| !stringConverter.eof() ) throw std::runtime_error( "Unable to convert \""+string+"\" to a float" );
21			return returnValue;
22			}
23
24	grimes	1.3	/** @brief Splits a string into individual parts delimited by whitespace. */
25	grimes	1.1	std::vector<std::string> splitByWhitespace( const std::string& stringToSplit )
26			{
27			std::vector<std::string> returnValue;
28
29			size_t currentPosition=0;
30			size_t nextDelimeter=0;
31			do
32			{
33			// Skip over any leading whitespace
34			size_t nextElementStart=stringToSplit.find_first_not_of( whitespace, currentPosition );
35			if( nextElementStart!=std::string::npos ) currentPosition=nextElementStart;
36
37	grimes	1.3	// Find the next whitespace and subtract everything up to that point
38	grimes	1.1	nextDelimeter=stringToSplit.find_first_of( whitespace, currentPosition );
39			std::string element=stringToSplit.substr( currentPosition, nextDelimeter-currentPosition );
40			returnValue.push_back(element);
41
42			// skip over any trailing whitespace
43			nextElementStart=stringToSplit.find_first_not_of( whitespace, nextDelimeter );
44			if( nextElementStart!=std::string::npos ) currentPosition=nextElementStart;
45			else nextDelimeter=std::string::npos;
46
47			} while( nextDelimeter!=std::string::npos );
48
49			return returnValue;
50			}
51
52			} // end of the unnamed namespace
53
54
55	grimes	1.3	l1menu::TriggerMenu::TriggerMenu() : triggerTable_( l1menu::TriggerTable::instance() )
56	grimes	1.1	{
57			// No operation besides the initialiser list
58			}
59
60			l1menu::TriggerMenu::~TriggerMenu()
61			{
62	grimes	1.3	// No operation since I switched from raw pointers to unique_ptr.
63	grimes	1.1	}
64
65	grimes	1.3	l1menu::TriggerMenu::TriggerMenu( const TriggerMenu& otherTriggerMenu )
66	grimes	1.1	: triggerTable_(otherTriggerMenu.triggerTable_)
67			{
68	grimes	1.3	for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
69	grimes	1.1	{
70			l1menu::ITrigger& sourceTrigger=**iTrigger;
71
72	grimes	1.3	triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
73	grimes	1.1	}
74
75			// Make sure triggerResults_ is always the same size as triggers_
76			triggerResults_.resize( triggers_.size() );
77			}
78
79	grimes	1.3	l1menu::TriggerMenu::TriggerMenu( TriggerMenu&& otherTriggerMenu ) noexcept
80			: triggerTable_(otherTriggerMenu.triggerTable_), triggers_( std::move(otherTriggerMenu.triggers_) ),
81			triggerResults_( std::move(otherTriggerMenu.triggerResults_) )
82			{
83			// No operation besides the initialiser list
84			}
85
86	grimes	1.1	l1menu::TriggerMenu& l1menu::TriggerMenu::operator=( const l1menu::TriggerMenu& otherTriggerMenu )
87			{
88			//
89			// First clean up whatever triggers I had before
90			//
91			triggers_.clear();
92
93			//
94			// Now copy the triggers from the other menu
95			//
96	grimes	1.3	for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
97	grimes	1.1	{
98			l1menu::ITrigger& sourceTrigger=**iTrigger;
99
100	grimes	1.3	triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
101	grimes	1.1	}
102
103			// Make sure triggerResults_ is always the same size as triggers_
104			triggerResults_.resize( triggers_.size() );
105
106			return *this;
107			}
108
109	grimes	1.3	l1menu::TriggerMenu& l1menu::TriggerMenu::operator=( l1menu::TriggerMenu&& otherTriggerMenu ) noexcept
110			{
111			triggers_=std::move( otherTriggerMenu.triggers_ );
112			triggerResults_=std::move(otherTriggerMenu.triggerResults_);
113
114			return *this;
115			}
116
117	grimes	1.1	bool l1menu::TriggerMenu::addTrigger( const std::string& triggerName )
118			{
119	grimes	1.3	std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName );
120	grimes	1.1	if( pNewTrigger.get()==NULL ) return false;
121
122	grimes	1.3	triggers_.push_back( std::move(pNewTrigger) );
123	grimes	1.1
124			// Make sure triggerResults_ is always the same size as triggers_
125			triggerResults_.resize( triggers_.size() );
126			return true;
127			}
128
129			bool l1menu::TriggerMenu::addTrigger( const std::string& triggerName, unsigned int version )
130			{
131	grimes	1.3	std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName, version );
132	grimes	1.1	if( pNewTrigger.get()==NULL ) return false;
133
134	grimes	1.3	triggers_.push_back( std::move(pNewTrigger) );
135	grimes	1.1
136			// Make sure triggerResults_ is always the same size as triggers_
137			triggerResults_.resize( triggers_.size() );
138			return true;
139			}
140
141			size_t l1menu::TriggerMenu::numberOfTriggers() const
142			{
143			return triggers_.size();
144			}
145
146			l1menu::ITrigger& l1menu::TriggerMenu::getTrigger( size_t position )
147			{
148			if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );
149
150			return *triggers_[position];
151			}
152
153			const l1menu::ITrigger& l1menu::TriggerMenu::getTrigger( size_t position ) const
154			{
155			if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );
156
157			return *triggers_[position];
158			}
159
160	grimes	1.3	std::unique_ptr<l1menu::ITrigger> l1menu::TriggerMenu::getTriggerCopy( size_t position ) const
161			{
162			if( position>triggers_.size() ) throw std::range_error( "Trigger requested that does not exist in the menu" );
163
164			return triggerTable_.copyTrigger(*triggers_[position]);
165			}
166
167			bool l1menu::TriggerMenu::apply( const l1menu::IEvent& event ) const
168	grimes	1.1	{
169			bool atLeastOneTriggerHasFired=false;
170
171			for( size_t triggerNumber=0; triggerNumber<triggers_.size(); ++triggerNumber )
172			{
173			bool result=triggers_[triggerNumber]->apply(event);
174			// triggerResults_[triggerNumber]=result;
175			if( result ) atLeastOneTriggerHasFired=true;
176			}
177
178			return atLeastOneTriggerHasFired;
179			}
180
181			void l1menu::TriggerMenu::loadMenuFromFile( const std::string& filename )
182			{
183	grimes	1.2	std::ifstream file( filename.c_str() );
184	grimes	1.1	if( !file.is_open() ) throw std::runtime_error( "Unable to open file "+filename );
185
186			loadMenuInOldFormat( file );
187			}
188
189			void l1menu::TriggerMenu::loadMenuInOldFormat( std::ifstream& file )
190			{
191			const size_t bufferSize=200;
192			char buffer[bufferSize];
193
194			while( file.good() )
195			{
196			try
197			{
198			// Get one line at a time
199			file.getline( buffer, bufferSize );
200
201			// split the line by whitespace into columns
202			std::vector<std::string> tableColumns=::splitByWhitespace( buffer );
203
204			if( tableColumns.size()==1 && tableColumns[0].empty() ) continue; // Allow blank lines without giving a warning
205			if( tableColumns.size()!=12 ) throw std::runtime_error( "The line does not have the correct number of columns" );
206
207			float prescale=::convertStringToFloat( tableColumns[2] );
208			if( prescale!=0 )
209			{
210			if( addTrigger( tableColumns[0] ) ) // Try and create a trigger with the name supplied
211			{
212	grimes	1.3	std::cout << "Added trigger \"" << tableColumns[0] << "\"" << std::endl;
213
214	grimes	1.1	l1menu::ITrigger& newTrigger=*(triggers_.back());
215
216			// Try and set all of the relevant parameters. I know not all triggers have these parameters
217			// so wrap in individual try/catch blocks.
218			try{ newTrigger.parameter("threshold1")=::convertStringToFloat( tableColumns[3] ); }
219			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
220
221			try{ newTrigger.parameter("threshold2")=::convertStringToFloat( tableColumns[4] ); }
222			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
223
224			try{ newTrigger.parameter("threshold3")=::convertStringToFloat( tableColumns[5] ); }
225			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
226
227			try{ newTrigger.parameter("threshold4")=::convertStringToFloat( tableColumns[6] ); }
228			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
229
230			try{ newTrigger.parameter("etaCut")=::convertStringToFloat( tableColumns[7] ); }
231			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
232
233			try{ newTrigger.parameter("muonQuality")=::convertStringToFloat( tableColumns[8] ); }
234			catch( std::exception& error ) { } // Do nothing, just try and convert the other parameters
235
236			} // end of "if able to add trigger"
237			else std::cout << "The trigger \"" << tableColumns[0] << "\" is not registered in the trigger table" << std::endl;
238			} // end of "if( prescale!=0 )"
239			} // end of try block
240			catch( std::runtime_error& exception )
241			{
242			std::cout << "Some error occured while processing the line \"" << buffer << "\":" << exception.what() << std::endl;
243			}
244			}
245			}