PixelConfigList.h

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#ifndef PixelConfigList_h
#define PixelConfigList_h

#include <stdlib.h>

namespace pos{
  class PixelConfigList {

  public:

    void writefile(){

      std::string directory=getenv("PIXELCONFIGURATIONBASE");
/*       directory+="/PixelConfigDataExamples/"; */
      directory+="/";
    
      std::string filename=directory+"/configurations.txt";

      std::ofstream out(filename.c_str());
      assert(out.good());

      for (unsigned int i=0;i<configs.size();i++){
    //std::cout << "key "<<i<<std::endl; 
    out << "key "<<i<<std::endl;
    configs[i].write(out);
    out <<std::endl;
    //std::cout <<std::endl; 
      }


    }


    void readfile(std::string filename){

      std::ifstream in(filename.c_str());

      std::string tag;
        
      in >> tag;
      while(tag.substr(0,1) == "#") {
    in.ignore(4096, '\n'); //skips to endl;
    in >> tag;
      }

      unsigned int version=0;

      while(!in.eof()){
    if (tag!="key"){
      std::cout << "PixelConfigDB: tag="<<tag<<std::endl;
      assert(0);
    }
    unsigned int tmp_version;
    in >> tmp_version;
    if (version!=tmp_version){
      std::cout << "PixelConfigDB: read version: "<<tmp_version<<" while expected "
            << version << std::endl;
      assert(0);
    }

    in >> tag;
    while(tag.substr(0,1) == "#") {
      in.ignore(4096, '\n'); //skips to endl;
      in >> tag;
    }

    PixelConfig aConfig;
    while (tag!="key"&&in.good()){
      unsigned int tmp;
      in >>tmp;
      //std::cout << "adding: "<<tag<<" "<<tmp<<std::endl;
      aConfig.add(tag,tmp);
      in >> tag;
      while(tag.substr(0,1) == "#") {
        in.ignore(4096, '\n'); //skips to endl;
        in >> tag;
      }
    }
      
    configs.push_back(aConfig);
    version++;
      
      };
        
      in.close();

    }

    //Method will return new key
    unsigned int clone(unsigned int oldkey, std::string path, unsigned int version){
      PixelConfig aConfig=configs[oldkey];
    
      unsigned int oldversion;
    
      if (-1==aConfig.update(path,oldversion,version)){
    std::cout << "Old version not found for path="<<path<<" in config "<<oldkey<<std::endl;
    assert(0);
      }

      configs.push_back(aConfig);
    
      return configs.size()-1;

    }


    //Method will return new key
    unsigned int add(PixelConfig& aConfig){

      configs.push_back(aConfig);
    
      return configs.size()-1;

    }

    unsigned int size(){ return configs.size(); }

    PixelConfig& operator[](unsigned int i) {return configs[i];}
    
    void reload(std::string filename)
    {
      configs.clear() ;
      readfile(filename) ;
    }

    unsigned int numberOfConfigs() { return configs.size(); }

  private:

    std::vector<PixelConfig> configs;

  };
}
#endif