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File indexing completed on 2021-02-14 13:31:11

 /**
  * \class L1GtVhdlTemplateFile
  *
  *
  * Description: a class to deal with VHDL template files
  *
  * Implementation:
  *    <TODO: enter implementation details>
  *
  * \author: Philipp Wagner
  *
  *
  */
 
 // this class header
 #include "L1TriggerConfig/L1GtConfigProducers/interface/L1GtVhdlTemplateFile.h"
 
 // system include files
 #include <iostream>
 #include <fstream>
 #include <sstream>
 #include <map>
 #include <string>
 #include <vector>
 
 // constructor(s)
 
 //standard constructor for a empty file
 L1GtVhdlTemplateFile::L1GtVhdlTemplateFile() { intern_ = false; }
 
 //constructor which already loads a file
 L1GtVhdlTemplateFile::L1GtVhdlTemplateFile(const std::string &filename) {
   if (!open(filename, false))
     std::cout << "Error while opening file: " << filename << std::endl;
 }
 
 //copy constructor
 L1GtVhdlTemplateFile::L1GtVhdlTemplateFile(const L1GtVhdlTemplateFile &rhs) {
   lines_ = rhs.lines_;
   intern_ = rhs.intern_;
   parameterMap_ = rhs.parameterMap_;
 }
 
 // destructor
 L1GtVhdlTemplateFile::~L1GtVhdlTemplateFile() {
   // empty
 }
 
 const bool L1GtVhdlTemplateFile::findAndReplaceString(std::string &paramString,
                                                       const std::string &searchString,
                                                       const std::string &replaceString) {
   size_t position;
   position = paramString.find(searchString);
   if (position == std::string::npos)
     return false;
   paramString.replace(position, searchString.length(), replaceString);
   return true;
 }
 
 bool L1GtVhdlTemplateFile::open(const std::string &fileName, bool internal) {
   const char paramIndicator = '#';
   const char commentIndicator = '%';
   char buffer[2000];
   std::string stringBuffer;
 
   std::fstream inputFile(fileName.c_str(), std::ios::in);
   //check weather file has been opened successfully
   if (!inputFile.is_open())
     return false;
 
   //store content of the template in Vector lines
   while (!inputFile.eof()) {
     inputFile.getline(buffer, 2000);
     stringBuffer = buffer;
     //Remove DOS seperators (For example if the template file was created under NT)
     if (stringBuffer[stringBuffer.length() - 1] == 13) {
       stringBuffer.replace(stringBuffer.length() - 1, 1, "");
     }
     //the current buffer + a seperator to the vector lines
     lines_.push_back(stringBuffer /*+"\n"*/);
   }
 
   inputFile.close();
 
   if (internal) {
     //Delete lines containing parameters after moving them to parameterMap_
     std::vector<std::string>::iterator iter = lines_.begin();
     while (iter != lines_.end()) {
       while ((*iter)[0] == commentIndicator && (*iter)[1] == commentIndicator)
         lines_.erase(iter);
 
       if ((*iter)[0] == paramIndicator) {
         std::vector<std::string>::iterator iter2 = iter;
 
         // get the first line of content
         iter2++;
 
         while (iter2 != lines_.end()) {
           if ((*iter2)[0] == paramIndicator && (*iter2)[1] == paramIndicator) {
             iter2++;
             break;
           }
 
           parameterMap_[(*iter).substr(1)] += (*iter2);
 
           // overtake the newlines
           std::vector<std::string>::iterator tmpIter = iter2;
           tmpIter++;
 
           // check weather the next line is the end of the block
           if (!((*tmpIter)[0] == paramIndicator && (*tmpIter)[1] == paramIndicator))
             parameterMap_[(*iter).substr(1)] += "\n";
 
           iter2++;
         }
 
         // there has been a syntax error in the internal template
         // stop the routine
         if (iter2 == lines_.end())
           return false;
 
         // deletes the content, thas has been added to parameter map before
         // (iter one at the moment is at the beginnig of the block, iter2 at its end)
         lines_.erase(iter, iter2);
       }
 
       // just for security
       if (iter != lines_.end())
         iter++;
     }
 
     //remove empty lines
     iter = lines_.begin();
     while (iter != lines_.end()) {
       if ((*iter).empty() || (*iter).length() == 0 || (*iter) == "    ")
         lines_.erase(iter);
       else
         iter++;
     }
   }
 
   return true;
 }
 
 bool L1GtVhdlTemplateFile::save(const std::string &fileName) {
   std::ofstream outputFile(fileName.c_str());
   std::vector<std::string>::iterator iter = lines_.begin();
 
   //Write content of lines_ into the outputfile.
   while (iter != lines_.end()) {
     //std::cout<<"Last sign: "<<*iter[(*iter).length()-3];
     outputFile << *iter << std::endl;
     iter++;
   }
 
   outputFile.close();
 
   return true;
 }
 
 bool L1GtVhdlTemplateFile::substitute(const std::string &searchString, const std::string &replaceString) {
   bool success = false;
 
   std::vector<std::string>::iterator iter = lines_.begin();
   while (iter != lines_.end()) {
     //The substitution parameter always appears as follows: $(parameter)
     while (findAndReplaceString(*iter, ("$(" + searchString + ")"), replaceString)) {
       findAndReplaceString(*iter, ("$(" + searchString + ")"), replaceString);
       success = true;
     }
     iter++;
   }
 
   return success;
 }
 
 bool L1GtVhdlTemplateFile::insert(const std::string &atLine, const std::vector<std::string> &content) {
   bool success = false;
   std::vector<std::string>::iterator iter = lines_.begin();
 
   //Loop until the substitution parameter is discovered the first time
   while (iter != lines_.end()) {
     //check, weather the current line is containing the substitution parameter
     if ((*iter).find(atLine) != std::string::npos) {
       //Delete the line with the subsitution parameter
       iter = lines_.erase(iter);
       //insert the content of file
       lines_.insert(iter, content.begin(), content.end());
 
       success = true;
       break;
     }
 
     iter++;
   }
 
   return success;
 }
 
 bool L1GtVhdlTemplateFile::insert(const std::string atLine, const L1GtVhdlTemplateFile &_file) {
   std::vector<std::string> temp = _file.returnLines();
 
   if (insert(atLine, temp))
     return true;
 
   return false;
 }
 
 bool L1GtVhdlTemplateFile::close() {
   //empty
   return true;
 }
 
 void L1GtVhdlTemplateFile::print() const {
   std::vector<std::string>::const_iterator iter = lines_.begin();
   while (iter != lines_.end()) {
     std::cout << *iter << std::endl;
     iter++;
   }
 }
 
 std::vector<std::string> L1GtVhdlTemplateFile::returnLines() const { return lines_; }
 
 void L1GtVhdlTemplateFile::printParameterMap() const {
   std::cout << "Enter parametermap" << std::endl;
 
   std::map<std::string, std::string>::const_iterator iter = parameterMap_.begin();
 
   while (iter != parameterMap_.end()) {
     std::cout << (*iter).first << ": " << (*iter).second << std::endl;
     iter++;
     ;
   }
 }
 
 std::map<std::string, std::string> L1GtVhdlTemplateFile::returnParameterMap() const { return parameterMap_; }
 
 bool L1GtVhdlTemplateFile::extractParametersFromString(const std::string &str,
                                                        std::vector<std::string> &parameters) const {
   // check, weather the current line is containing a substitution parameter
   // the routine is making sure, that it's not extracting a parameter from
   // a comment
   if (int pos1 = str.find("$(") != std::string::npos && str.substr(0, 2) != "--") {
     int pos2 = str.find(')');
     // get the substituion parameter
     std::string tempStr = (str.substr(pos1 + 1, (pos2 - pos1 - 1)));
     // return a pair with the substitution parameter and the
     // the rest of the string after the substitution parameter
 
     // here a should be checked, weather the vector is already containing
     // the parameter befor adding it.
 
     parameters.push_back(tempStr);
     //recursive call
     while (extractParametersFromString(str.substr(pos2), parameters))
       extractParametersFromString(str.substr(pos2), parameters);
 
     return true;
   } else {
     return false;
   }
 
   return true;
 }
 
 std::vector<std::string> L1GtVhdlTemplateFile::getSubstitutionParametersFromTemplate() const {
   std::vector<std::string> temp;
   std::vector<std::string>::const_iterator iter = lines_.begin();
 
   // loop until the substitution parameter is discovered the first time
   while (iter != lines_.end()) {
     extractParametersFromString((*iter), temp);
     iter++;
   }
 
   return temp;
 }
 
 void L1GtVhdlTemplateFile::append(const std::string &str) { lines_.push_back(str); }
 
 void L1GtVhdlTemplateFile::append(const L1GtVhdlTemplateFile &file) {
   for (unsigned int i = 0; i < file.lines_.size(); i++) {
     lines_.push_back(file.lines_.at(i));
   }
 }
 
 bool L1GtVhdlTemplateFile::removeLineWithContent(const std::string &str) {
   bool success = false;
 
   std::vector<std::string>::iterator iter = lines_.begin();
   while (iter != lines_.end()) {
     size_t position;
     position = (*iter).find(str);
 
     if (position != std::string::npos) {
       lines_.erase(iter);
       success = true;
     } else
       iter++;
   }
   return success;
 }
 
 bool L1GtVhdlTemplateFile::removeEmptyLines() {
   std::vector<std::string>::iterator iter = lines_.begin();
 
   while (iter != lines_.end()) {
     if ((*iter).empty() || (*iter).length() == 0 || (*iter) == "    ")
       lines_.erase(iter);
     else
       iter++;
   }
 
   return true;
 }
 
 bool L1GtVhdlTemplateFile::isBlank(const char &chr) const {
   if (chr == ' ')
     return true;
   return false;
 }
 
 bool L1GtVhdlTemplateFile::split(const std::string &param, std::vector<std::string> &result) const {
   unsigned int i = 0;
   while (isBlank(param[i])) {
     i++;
   }
 
   std::string temp = param.substr(i);
   std::size_t pos = temp.find(' ');
 
   if (pos != std::string::npos) {
     std::string temp2 = temp.substr(0, pos);
     result.push_back(temp2);
     while (split(temp.substr(pos), result))
       split(temp.substr(pos), result);
 
   } else if (!isBlank(temp[pos + 1])) {
     result.push_back(temp);
     return false;
   } else
     return false;
 
   return false;
 }
 
 void L1GtVhdlTemplateFile::getConditionsFromAlgo(std::string condString, std::vector<std::string> &result) const {
   std::vector<std::string> operators;
 
   operators.push_back("AND");
   operators.push_back("OR");
   operators.push_back("NOT");
   operators.push_back("(");
   operators.push_back(")");
 
   for (unsigned int i = 0; i < operators.size(); i++) {
     while (findAndReplaceString(condString, operators.at(i), ""))
       findAndReplaceString(condString, operators.at(i), "");
   }
 
   split(condString, result);
 }
 
 std::string L1GtVhdlTemplateFile::lines2String() const {
   std::vector<std::string>::const_iterator iter = lines_.begin();
   std::ostringstream buffer;
 
   while (iter != lines_.end()) {
     buffer << (*iter) << std::endl;
     iter++;
   }
 
   return buffer.str();
 }
 
 std::string L1GtVhdlTemplateFile::getInternalParameter(const std::string &indentifier) {
   return parameterMap_[indentifier];
 }

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