#usage "<b>Exports a schematic drawing.</b>\n"
       "<p>"
       "This ULP exports all elements of a schematic drawing so that it may be regenerated with a script file."
       "<p>"
       "<author>Author: kevin.callan@mbitworks.com"

if (schematic)

  schematic(S) {

    string partlist[];  // holds an array of which reference designators have been ADDed
    int partlistindex;
    int x;
    string key;
    string options;

    partlistindex = 0;
    key = "";
    string wirestyle;

    string p = "";
    string s = "";
    string e = "";

    s = S.name;
    char c = '/';
    int pos = strrchr(s, c);
    if (pos >= 0) {
      p = strsub(s, 0, pos + 1);
    }

    string fileName = p + "temp.scr";

    output(fileName) {
      printf("GRID INCH 0.005\n");

      S.layers(LAY) {
        printf("LAYER %d %s;\n", LAY.number, LAY.name);
      }

      printf("DISPLAY -PINS\n\n");

      S.sheets(SH) {
        printf("EDIT .S%d\n", SH.number);

        SH.circles(CIR) {
          printf("LAYER %d;\n", CIR.layer);
          printf("CIRCLE %5.3f (%5.3f %5.3f) (%5.3f %5.3f);\n", u2inch(CIR.width), u2inch(CIR.x), u2inch(CIR.y), u2inch(CIR.x + CIR.radius), u2inch(CIR.y));
        }
        
        SH.rectangles(REC) {
          printf("LAYER %d;\n", REC.layer);
          printf("RECT %5.3f (%5.3f %5.3f) (%5.3f %5.3f);\n", REC.angle, u2inch(REC.x1), u2inch(REC.y1), u2inch(REC.x2), u2inch(REC.y2));
        }

        SH.texts(TEX) {
          printf("LAYER %d\n", TEX.layer);
          printf("TEXT '%s' R%f (%5.3f %5.3f);\n", TEX.value, TEX.angle, u2inch(TEX.x), u2inch(TEX.y));
          printf("CHANGE SIZE %5.3f (%5.3f %5.3f);\n", u2inch(TEX.size), u2inch(TEX.x), u2inch(TEX.y));
        }

        printf("SET WIRE_BEND 2;\n");
        SH.wires(WIR) {
          printf("LAYER %d\n", WIR.layer);
          switch (WIR.style) {
            case 0: wirestyle = "Continuous"; break;
            case 1: wirestyle = "LongDash"; break;
            case 2: wirestyle = "ShortDash"; break;
            case 3: wirestyle = "DashDot"; break;
            default: wirestyle = "Continuous"; break;
          }
          printf("CHANGE STYLE '%s';\n", wirestyle);
          printf("WIRE %5.3f (%5.3f %5.3f) (%5.3f %5.3f);\n", u2inch(WIR.width), u2inch(WIR.x1), u2inch(WIR.y1), u2inch(WIR.x2), u2inch(WIR.y2));
        }
        printf("CHANGE STYLE 'Continuous'\n");

        SH.parts(PAR) {
          options = "";
          PAR.instances(PARINS) {

            if(PARINS.mirror) {
              options = "MR";
            }
            else {
              options = "R";
            }

            key = lookup(partlist, PAR.name, 1);
            if(key == "") {  // part has not been added yet
              printf("ADD '%s' '%s' %s@%s %s%5.3f (%5.3f %5.3f);\n", PAR.name, PARINS.gate.name, PAR.device.name, PAR.device.library, options, PARINS.angle, u2inch(PARINS.x), u2inch(PARINS.y));
              if((PAR.device.value == "On") && (PARINS.value != "")) {
                printf("VALUE '%s' (%5.3f %5.3f);\n", PARINS.value, u2inch(PARINS.x), u2inch(PARINS.y));
              }
              partlist[partlistindex] = PAR.name + '\t' + '1';  // the part has been seen now so next time use INVOKE
              partlistindex += 1;
            }
            else {
              printf("INVOKE '%s' '%s' %s%5.3f (%5.3f %5.3f);\n", PAR.name, PARINS.gate.name, options, PARINS.angle, u2inch(PARINS.x), u2inch(PARINS.y));
            }
          }
        }

        SH.busses(BUS) {
          BUS.segments(BUSSEG) {
            int bsx, bsy;

            printf("SET WIRE_BEND 2;\n");
            BUSSEG.wires(BUSSEGWIR) {
              printf("BUS '%s' (%5.3f %5.3f) (%5.3f %5.3f);\n", BUS.name, u2inch(BUSSEGWIR.x1), u2inch(BUSSEGWIR.y1), u2inch(BUSSEGWIR.x2), u2inch(BUSSEGWIR.y2));
              bsx = BUSSEGWIR.x1;
              bsy = BUSSEGWIR.y1;
            }

            printf("NAME '%s' (%5.3f %5.3f);\n", BUS.name, u2inch(bsx), u2inch(bsy));

            BUSSEG.texts(BUSSEGTEX) {
              printf("LABEL (%5.3f %5.3f) (%5.3f %5.3f);\n", u2inch(bsx), u2inch(bsy), u2inch(BUSSEGTEX.x), u2inch(BUSSEGTEX.y));
              printf("CHANGE SIZE %5.3f (%5.3f %5.3f);\n", u2inch(BUSSEGTEX.size), u2inch(BUSSEGTEX.x), u2inch(BUSSEGTEX.y));
            }
          }
        }

        SH.nets(NET) {
          NET.segments(NETSEG) {
            int nsx, nsy;

            printf("SET WIRE_BEND 2;\n");
            NETSEG.wires(NETSEGWIR) {
              printf("NET '%s' (%5.3f %5.3f) (%5.3f %5.3f);\n", NET.name, u2inch(NETSEGWIR.x1), u2inch(NETSEGWIR.y1), u2inch(NETSEGWIR.x2), u2inch(NETSEGWIR.y2));
              nsx = NETSEGWIR.x1;
              nsy = NETSEGWIR.y1;
            }

            printf("NAME '%s' (%5.3f %5.3f);\n", NET.name, u2inch(nsx), u2inch(nsy));

            NETSEG.texts(NETSEGTEX) {
              printf("LABEL (%5.3f %5.3f) (%5.3f %5.3f);\n", u2inch(nsx), u2inch(nsy), u2inch(NETSEGTEX.x), u2inch(NETSEGTEX.y));
              printf("CHANGE SIZE %5.3f (%5.3f %5.3f);\n", u2inch(NETSEGTEX.size), u2inch(NETSEGTEX.x), u2inch(NETSEGTEX.y));
            }
          }
        }

      }

    printf("GRID LAST\n");

    }
//    sprintf(e, "SCRIPT '%s'", fileName);
//    exit(e);
  }

else {
   dlgMessageBox("\n    Start this ULP in a schematic    \n");
   exit(0);
}