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
#	Content
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	/// ASCII codes of characters that are considered whitespace (space, tab, carriage return, line feed).
12	const char* whitespace="\x20\x09\x0D\x0A";
13
14	/** @brief Converts the entire string to a float or throws an exception. */
15	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	/** @brief Splits a string into individual parts delimited by whitespace. */
25	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	// Find the next whitespace and subtract everything up to that point
38	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	l1menu::TriggerMenu::TriggerMenu() : triggerTable_( l1menu::TriggerTable::instance() )
56	{
57	// No operation besides the initialiser list
58	}
59
60	l1menu::TriggerMenu::~TriggerMenu()
61	{
62	// No operation since I switched from raw pointers to unique_ptr.
63	}
64
65	l1menu::TriggerMenu::TriggerMenu( const TriggerMenu& otherTriggerMenu )
66	: triggerTable_(otherTriggerMenu.triggerTable_)
67	{
68	for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
69	{
70	l1menu::ITrigger& sourceTrigger=**iTrigger;
71
72	triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
73	}
74
75	// Make sure triggerResults_ is always the same size as triggers_
76	triggerResults_.resize( triggers_.size() );
77	}
78
79	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	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	for( std::vector< std::unique_ptr<l1menu::ITrigger> >::const_iterator iTrigger=otherTriggerMenu.triggers_.begin(); iTrigger!=otherTriggerMenu.triggers_.end(); ++iTrigger )
97	{
98	l1menu::ITrigger& sourceTrigger=**iTrigger;
99
100	triggers_.push_back( std::move(triggerTable_.copyTrigger(sourceTrigger)) );
101	}
102
103	// Make sure triggerResults_ is always the same size as triggers_
104	triggerResults_.resize( triggers_.size() );
105
106	return *this;
107	}
108
109	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	bool l1menu::TriggerMenu::addTrigger( const std::string& triggerName )
118	{
119	std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName );
120	if( pNewTrigger.get()==NULL ) return false;
121
122	triggers_.push_back( std::move(pNewTrigger) );
123
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	std::unique_ptr<l1menu::ITrigger> pNewTrigger=triggerTable_.getTrigger( triggerName, version );
132	if( pNewTrigger.get()==NULL ) return false;
133
134	triggers_.push_back( std::move(pNewTrigger) );
135
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	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	{
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	std::ifstream file( filename.c_str() );
184	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	std::cout << "Added trigger \"" << tableColumns[0] << "\"" << std::endl;
213
214	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	}