ceph/src/boost/libs/polygon/doc/tutorial/schematic_database.hpp

   1 /*
   2 Copyright 2010 Intel Corporation
   3
   4 Use, modification and distribution are subject to the Boost Software License,
   5 Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 http://www.boost.org/LICENSE_1_0.txt).
   7 */
   8
   9 //schematic_database.hpp
  10 #ifndef BOOST_POLYGON_TUTORIAL_SCHEMATIC_DATABASE_HPP
  11 #define BOOST_POLYGON_TUTORIAL_SCHEMATIC_DATABASE_HPP
  12 #include <string>
  13 #include <fstream>
  14 #include <map>
  15 #include <set>
  16 #include "device.hpp"
  17
  18 struct schematic_database{
  19   std::vector<device> devices;
  20   std::map<std::string, std::set<std::size_t> > nets;
  21 };
  22
  23 //given a vector of devices populate the map of net name to set of device index
  24 inline void extract_netlist(std::map<std::string, std::set<std::size_t> >& nets,
  25                             std::vector<device>& devices) {
  26   for(std::size_t i = 0; i < devices.size(); ++i) {
  27     for(std::size_t j = 0; j < devices[i].terminals.size(); ++j) {
  28       //create association between net name and device id
  29       nets[devices[i].terminals[j]].insert(nets[devices[i].terminals[j]].end(), i);
  30     }
  31   }
  32 }
  33
  34 inline void parse_schematic_database(schematic_database& schematic,
  35                                      std::ifstream& sin) {
  36   std::vector<device>& devices = schematic.devices;
  37   while(!sin.eof()) {
  38     std::string type_id;
  39     sin >> type_id;
  40     if(type_id == "Device") {
  41       device d;
  42       sin >> d;
  43       devices.push_back(d);
  44     } else if (type_id == "Pin") {
  45       std::string net;
  46       sin >> net;
  47       device d;
  48       d.type = "PIN";
  49       d.terminals.push_back(net);
  50       devices.push_back(d);
  51     } else if (type_id == "") {
  52       break;
  53     }
  54   }
  55   extract_netlist(schematic.nets, devices);
  56 }
  57
  58 #endif