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// Function definitions (not found in the header) for the Settings class.
// Copyright C 2006 Torbjorn Sjostrand
#include "Settings.hh"
namespace SpartyJet {
namespace Pythia8 {
//**************************************************************************
// Settings class.
// This class contains flags, modes, parms and words used in generation.
//*********
// Definitions of static variables.
map<string, Flag> Settings::flags;
map<string, Mode> Settings::modes;
map<string, Parm> Settings::parms;
map<string, Word> Settings::words;
bool Settings::isInit = false;
//*********
// Read in database from specific file.
bool Settings::init(string startFile, ostream& os) {
// Don't initialize if it has already been done.
if (isInit) return true;
// List of files to be checked. Start with input file.
vector<string> files;
files.push_back(startFile);
// If nontrivial startfile path, then use that for other files as well.
string pathName = "";
if (startFile.rfind("/") != string::npos)
pathName = startFile.substr(0, startFile.rfind("/") + 1);
// Loop over files. Open them for read.
for (int i = 0; i < int(files.size()); ++i) {
const char* cstring = files[i].c_str();
ifstream is(cstring);
// Check that instream is OK.
if (!is) {os << "\n Error: settings file " << files[i]
<< " not found \n"; return false;}
// Read in one line at a time.
string line;
while ( getline(is, line) ) {
// Get first word of a line, to interpret it as tag.
istringstream getfirst(line);
string tag;
getfirst >> tag;
// Skip ahead if not interesting. Only look for new files in startfile.
if (tag != "<flag" && tag != "<mode" && tag != "<parm"
&& tag != "<word" && (tag != "<a" || i > 0) ) continue;
// Read and append continuation line(s) if line does not contain >.
while (line.find(">") == string::npos) {
string addLine;
getline(is, addLine);
line += " " + addLine;
}
// Remove extra blanks before an = sign.
while (line.find(" =") != string::npos) line.erase( line.find(" ="), 1);
// Find name attribute.
string nameAttribute = (tag != "<a") ? "name=" : "href=";
string name = attributeValue( line, nameAttribute);
if (name == "") {
os << " Error: failed to find name attribute in line " << line;
continue;
}
// Add file also to be read.
if (tag == "<a") {
files.push_back(pathName + name);
continue;
}
// Check that default value attribute present, and whether max and min.
if (line.find("default=") == string::npos) {
os << " Error: failed to find default value token in line " << line;
continue;
}
bool hasMin = (line.find("min=") != string::npos) ? true : false;
bool hasMax = (line.find("max=") != string::npos) ? true : false;
// Check for occurence of a bool and add to flag map.
if (tag == "<flag") {
bool value = boolAttributeValue( line, "default=");
addFlag( name, value);
// Check for occurence of an int and add to mode map.
} else if (tag == "<mode") {
int value = intAttributeValue( line, "default=");
int minVal = intAttributeValue( line, "min=");
int maxVal = intAttributeValue( line, "max=");
addMode( name, value, hasMin, hasMax, minVal, maxVal);
// Check for occurence of a double and add to parm map.
} else if (tag == "<parm") {
double value = doubleAttributeValue( line, "default=");
double minVal = doubleAttributeValue( line, "min=");
double maxVal = doubleAttributeValue( line, "max=");
addParm( name, value, hasMin, hasMax, minVal, maxVal);
// Check for occurence of a string and add to word map.
} else if (tag == "<word") {
string value = attributeValue( line, "default=");
addWord( name, value);
}
// End of loop over lines in input file and loop over files.
};
};
// Done.
isInit = true;
return true;
}
//*********
// Overwrite existing database by reading from specific file.
bool Settings::reInit(string startFile) {
// Reset maps to empty.
flags.clear();
modes.clear();
parms.clear();
words.clear();
// Then let normal init do the rest.
isInit = false;
return init(startFile);
}
//*********
// Read in updates from a character string, like a line of a file.
// Is used by readString (and readFile) in Pythia.
bool Settings::readString(string line, bool warn, ostream& os) {
// If first character is not a letter, then taken to be a comment line.
int firstChar = line.find_first_not_of(" ");
if (!isalpha(line[firstChar])) return true;
// Replace an equal sign by a blank to make parsing simpler.
while (line.find("=") != string::npos) {
int firstEqual = line.find_first_of("=");
line.replace(firstEqual, 1, " ");
}
// Get first word of a line.
istringstream splitLine(line);
string name;
splitLine >> name;
// Replace two colons by one (:: -> :) to allow for such mistakes.
while (name.find("::") != string::npos) {
int firstColonColon = name.find_first_of("::");
name.replace(firstColonColon, 2, ":");
}
// Check whether this is in the database. Done if not.
int inDataBase = 0;
if (isFlag(name)) inDataBase = 1;
else if (isMode(name)) inDataBase = 2;
else if (isParm(name)) inDataBase = 3;
else if (isWord(name)) inDataBase = 4;
if (inDataBase == 0) {
if (warn) os << "\n Warning: input string not found in settings"
<< " databases; skip:\n " << line << "\n";
return false;
}
// Find value.
string valueString;
splitLine >> valueString;
// Update flag map; allow many ways to say yes.
if (splitLine && inDataBase == 1) {
bool value = boolString(valueString);
flag(name, value);
// Update mode map.
} else if (splitLine && inDataBase == 2) {
istringstream modeData(valueString);
int value;
modeData >> value;
if (modeData) mode(name, value);
// Update parm map.
} else if (splitLine && inDataBase == 3) {
istringstream parmData(valueString);
double value;
parmData >> value;
if (parmData) parm(name, value);
// Update word map.
} else if (splitLine && inDataBase == 4) {
word(name, valueString);
}
// Done.
return true;
}
//*********
// Write updates or everything to user-defined file.
bool Settings::writeFile(string toFile, bool writeAll) {
// Open file for writing.
const char* cstring = toFile.c_str();
ofstream os(cstring);
if (!os) {
ErrorMessages::message("Error in Settings::writeFile:"
" could not open file", toFile);
return false;
}
return writeFile( os, writeAll);
}
//*********
// Write updates or everything to user-defined file.
bool Settings::writeFile(ostream& os, bool writeAll) {
// Write simple header as comment.
if (writeAll) os << "! List of all current Pythia ";
else os << "! List of all modified Pythia ";
os << fixed << setprecision(3) << parm("Pythia:versionNumber")
<< " settings.\n";
// Iterators for the flag, mode and parm tables.
map<string, Flag>::iterator flagEntry = flags.begin();
map<string, Mode>::iterator modeEntry = modes.begin();
map<string, Parm>::iterator parmEntry = parms.begin();
map<string, Word>::iterator wordEntry = words.begin();
// Loop while there is something left to do.
while (flagEntry != flags.end() || modeEntry != modes.end()
|| parmEntry != parms.end() || wordEntry != words.end()) {
// Check if a flag is next in lexigraphical order; if so print it.
if ( flagEntry != flags.end()
&& ( modeEntry == modes.end() || flagEntry->first < modeEntry->first )
&& ( parmEntry == parms.end() || flagEntry->first < parmEntry->first )
&& ( wordEntry == words.end() || flagEntry->first < wordEntry->first )
) {
string state[2] = {"off", "on"};
bool valNow = flagEntry->second.valNow;
bool valDefault = flagEntry->second.valDefault;
if ( writeAll || valNow != valDefault )
os << flagEntry->second.name << " = " << state[valNow] << "\n";
++flagEntry;
// Else check if mode is next, and if so print it.
} else if ( modeEntry != modes.end()
&& ( parmEntry == parms.end() || modeEntry->first < parmEntry->first )
&& ( wordEntry == words.end() || modeEntry->first < wordEntry->first )
) {
int valNow = modeEntry->second.valNow;
int valDefault = modeEntry->second.valDefault;
if ( writeAll || valNow != valDefault )
os << modeEntry->second.name << " = " << valNow << "\n";
++modeEntry;
// Else check if parm is next, and if so print it;
// fixed or scientific depending on value.
} else if ( parmEntry != parms.end()
&& ( wordEntry == words.end() || parmEntry->first < wordEntry->first )
) {
double valNow = parmEntry->second.valNow;
double valDefault = parmEntry->second.valDefault;
if ( writeAll || valNow != valDefault ) {
os << parmEntry->second.name << " = ";
if ( valNow == 0. ) os << fixed << setprecision(1);
else if ( abs(valNow) < 0.001 ) os << scientific << setprecision(4);
else if ( abs(valNow) < 0.1 ) os << fixed << setprecision(7);
else if ( abs(valNow) < 1000. ) os << fixed << setprecision(5);
else if ( abs(valNow) < 1000000. ) os << fixed << setprecision(3);
else os << scientific << setprecision(4);
os << valNow << "\n";
}
++parmEntry;
// Else print word.
} else {
string valNow = wordEntry->second.valNow;
string valDefault = wordEntry->second.valDefault;
if ( writeAll || valNow != valDefault )
os << wordEntry->second.name << " = " << valNow << "\n";
++wordEntry;
}
} ;
// Done.
return true;
}
//*********
// Print out table of database in lexigraphical order.
void Settings::list(bool listAll, bool listString, string match,
ostream& os) {
// Table header; output for bool as off/on.
if (listAll)
os << "\n *------- PYTHIA Flag + Mode + Parm + Word Settings (all) "
<< " --------------------------------------------------* \n";
else if (!listString)
os << "\n *------- PYTHIA Flag + Mode + Parm + Word Settings (chang"
<< "es only) -----------------------------------------* \n" ;
else
os << "\n *------- PYTHIA Flag + Mode + Parm + Word Settings (with "
<< "requested string) --------------------------------* \n" ;
os << " | "
<< " | \n"
<< " | Name | "
<< " Now | Default Min Max | \n"
<< " | | "
<< " | | \n";
// Convert input string to lowercase for match.
match = tolower(match);
// Iterators for the flag, mode and parm tables.
map<string, Flag>::iterator flagEntry = flags.begin();
map<string, Mode>::iterator modeEntry = modes.begin();
map<string, Parm>::iterator parmEntry = parms.begin();
map<string, Word>::iterator wordEntry = words.begin();
// Loop while there is something left to do.
while (flagEntry != flags.end() || modeEntry != modes.end()
|| parmEntry != parms.end() || wordEntry != words.end()) {
// Check if a flag is next in lexigraphical order; if so print it.
if ( flagEntry != flags.end()
&& ( modeEntry == modes.end() || flagEntry->first < modeEntry->first )
&& ( parmEntry == parms.end() || flagEntry->first < parmEntry->first )
&& ( wordEntry == words.end() || flagEntry->first < wordEntry->first )
) {
string state[2] = {"off", "on"};
bool valNow = flagEntry->second.valNow;
bool valDefault = flagEntry->second.valDefault;
if ( listAll || (!listString && valNow != valDefault)
|| (listString && flagEntry->first.find(match) != string::npos) )
os << " | " << setw(40) << left
<< flagEntry->second.name << " | " << setw(24) << right
<< state[valNow] << " | " << setw(12) << state[valDefault]
<< " | \n";
++flagEntry;
// Else check if mode is next, and if so print it.
} else if ( modeEntry != modes.end()
&& ( parmEntry == parms.end() || modeEntry->first < parmEntry->first )
&& ( wordEntry == words.end() || modeEntry->first < wordEntry->first )
) {
int valNow = modeEntry->second.valNow;
int valDefault = modeEntry->second.valDefault;
if ( listAll || (!listString && valNow != valDefault)
|| (listString && modeEntry->first.find(match) != string::npos) ) {
os << " | " << setw(40) << left
<< modeEntry->second.name << " | " << setw(24) << right
<< valNow << " | " << setw(12) << valDefault;
if (modeEntry->second.hasMin)
os << setw(12) << modeEntry->second.valMin;
else os << " ";
if (modeEntry->second.hasMax)
os << setw(12) << modeEntry->second.valMax;
else os << " ";
os << " | \n";
}
++modeEntry;
// Else check if parm is next, and if so print it;
// fixed or scientific depending on value.
} else if ( parmEntry != parms.end()
&& ( wordEntry == words.end() || parmEntry->first < wordEntry->first )
) {
double valNow = parmEntry->second.valNow;
double valDefault = parmEntry->second.valDefault;
if ( listAll || (!listString && valNow != valDefault )
|| (listString && parmEntry->first.find(match) != string::npos) ) {
os << " | " << setw(40) << left
<< parmEntry->second.name << right << " | ";
for (int i = 0; i < 4; ++i) {
if (i == 1) valNow = valDefault;
if (i == 2) valNow = parmEntry->second.valMin;
if (i == 3) valNow = parmEntry->second.valMax;
if ( (i == 2 && !parmEntry->second.hasMin)
|| (i == 3 && !parmEntry->second.hasMax) )
os << " ";
else if ( valNow == 0. )
os << fixed << setprecision(1) << setw(12) << valNow;
else if ( abs(valNow) < 0.001 )
os << scientific << setprecision(4) << setw(12) << valNow;
else if ( abs(valNow) < 0.1 )
os << fixed << setprecision(7) << setw(12) << valNow;
else if ( abs(valNow) < 1000. )
os << fixed << setprecision(5) << setw(12) << valNow;
else if ( abs(valNow) < 1000000. )
os << fixed << setprecision(3) << setw(12) << valNow;
else
os << scientific << setprecision(4) << setw(12) << valNow;
if (i == 0) os << " | ";
}
os << " | \n";
}
++parmEntry;
// Else print word.
} else {
string valNow = wordEntry->second.valNow;
string valDefault = wordEntry->second.valDefault;
int blankLeft = max(0, 60 - max(24, int(valNow.length()) )
- max(12, int(valDefault.length()) ) );
string blankPad( blankLeft, ' ');
if ( listAll || (!listString && valNow != valDefault)
|| (listString && wordEntry->first.find(match) != string::npos) )
os << " | " << setw(40) << left
<< wordEntry->second.name << " | " << setw(24) << right
<< valNow << " | " << setw(12) << valDefault << blankPad
<< " | \n";
++wordEntry;
}
} ;
// End of loop over database contents.
os << " | "
<< " | \n"
<< " *------- End PYTHIA Flag + Mode + Parm + Word Settings ---"
<< "-------------------------------------------------* " << endl;
}
//*********
// Reset all values to their defaults.
void Settings::resetAll() {
// Loop through the flags table, resetting all entries.
for (map<string, Flag>::iterator flagEntry = flags.begin();
flagEntry != flags.end(); ++flagEntry) {
string name = flagEntry->first;
resetFlag(name);
}
// Loop through the modes table, resetting all entries.
for (map<string, Mode>::iterator modeEntry = modes.begin();
modeEntry != modes.end(); ++modeEntry) {
string name = modeEntry->first;
resetMode(name);
}
// Loop through the parms table, resetting all entries.
for (map<string, Parm>::iterator parmEntry = parms.begin();
parmEntry != parms.end(); ++parmEntry) {
string name = parmEntry->first;
resetParm(name);
}
// Loop through the words table, resetting all entries.
for (map<string, Word>::iterator wordEntry = words.begin();
wordEntry != words.end(); ++wordEntry) {
string name = wordEntry->first;
resetWord(name);
}
}
//*********
// Change current value, respecting limits.
void Settings::flag(string keyIn, bool nowIn) {
if (isFlag(keyIn)) flags[tolower(keyIn)].valNow = nowIn;
}
void Settings:: mode(string keyIn, int nowIn) {
if (isMode(keyIn)) {
Mode& modeNow = modes[tolower(keyIn)];
if (modeNow.hasMin && nowIn < modeNow.valMin)
modeNow.valNow = modeNow.valMin;
else if (modeNow.hasMax && nowIn > modeNow.valMax)
modeNow.valNow = modeNow.valMax;
else modeNow.valNow = nowIn;
}
}
void Settings::parm(string keyIn, double nowIn) {
if (isParm(keyIn)) {
Parm& parmNow = parms[tolower(keyIn)];
if (parmNow.hasMin && nowIn < parmNow.valMin)
parmNow.valNow = parmNow.valMin;
else if (parmNow.hasMax && nowIn > parmNow.valMax)
parmNow.valNow = parmNow.valMax;
else parmNow.valNow = nowIn;
}
}
void Settings::word(string keyIn, string nowIn) {
if (isWord(keyIn)) words[tolower(keyIn)].valNow = nowIn;
}
//**************************************************************************
} // namespace SpartyJet
} // end namespace Pythia8

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