source: trunk/gsdl/src/checkis/checkis.cpp@ 3036

#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <memory.h>
#pragma hdrstop

int __stdcall WinMain(HINSTANCE Instance, HINSTANCE /*PrevInstance*/, LPSTR CmdLineStr, int /*CmdShow*/) {
  HKEY hk1, hk2, hk3, hk4, hk5, lk;
  char command[2048];
  command[0] = '\0';
  
  // try to find the command to start the library
  if (RegOpenKey(HKEY_LOCAL_MACHINE, "SOFTWARE", &hk1) == ERROR_SUCCESS) {
    if (RegOpenKey(hk1, "Waikato University", &hk2) == ERROR_SUCCESS) {
      if (RegOpenKey(hk2, "sjnew", &hk3) == ERROR_SUCCESS) {
    if (RegOpenKey(hk3, "1", &hk4) == ERROR_SUCCESS) {
      if (RegOpenKey(hk4, "2.26.000", &hk5) == ERROR_SUCCESS) {

        if (RegOpenKey(hk3, "2.26.000", &lk) == ERROR_SUCCESS) {
        
          // look for the command to start the browser
          DWORD dwIndex = 0;
          char key[256];
          key[0] = '\0';
          DWORD keysize = 256;
          DWORD type;
          DWORD comsize = 2048;
          while (RegEnumValue(lk, dwIndex, key, &keysize, NULL, &type, 
                  (unsigned char *)command, &comsize) == ERROR_SUCCESS) {
        // see if this is the right key (yes, this should always be library, NOT
        // the name of the executable
        if (strcmp (key, "library") == 0) break;
        else command[0] = '\0';
          
        // prepare for next iteration
        dwIndex++;
        keysize = 256;
        comsize = 2048;
          }
          RegCloseKey(lk);
        }
        RegCloseKey(hk5);
      }    
      RegCloseKey(hk4);
    }
    RegCloseKey(hk3);
      }
      RegCloseKey(hk2);
    }
    RegCloseKey(hk1);
  }
  
  if (strlen (command) == 0) { 
    // not installed, try to run the setup program
    WinExec ("setup.exe", SW_SHOW);
  } else { 
    // installed ask the user whether they want to run the library now
    if (MessageBox (NULL, 
            "Would you like to view the School Journal Collection?",
            "Greenstone Digital Library",
            MB_YESNO) == IDYES) {
      WinExec (command, SW_SHOW);
    }
  }
  
  return 0;
}