//TH-Header
//*****************************************************************************************
// Copyright (c)  2005 KURANT Project
// All rights reserved.
//
// $FileName    : cSortArray.pkg
// $ProjectName : The Hammer v 2.0
// $Author      : Wil van Antwerpen
// $Created     : 03.12.2005  10:18
// $Type        : OptionWare
//
// Contents:
// For whatever stupid reason sorting the array using item_sort doesn't work
// This was supposed to be fixed in VDF7 SP3, since this is just
// for a little bit of data, implementing a sorting algorithm is
// our quickest catch-it-all workaround that will work for ALL
// vdf versions.
//
//*****************************************************************************************
//TH-RevisionStart
//TH-RevisionEnd
Use cWorkspaceHandlerEx.pkg
Use cSystemStrUtils.pkg
Use vWin32fh.pkg

// *WvA Oct 14, 2005 Renamed from cSortArray into cWorkspaceSortArray
// in order to avoid a naming conflict with the sort array used in
// filelist.vw
Class cWorkspaceSortArray Is a Array

  Procedure Construct_Object
    Forward Send Construct_Object
    Property Boolean pbCheckRuntimeInstalled false
  End_Procedure // Construct_Object


  // Private
  // Used by bubblesort algo
  //
  Procedure DoSwapValues Integer iFirst Integer iSecond
    String sFirst
    String sSecond
    Get Value Item iFirst  To sFirst
    Get Value Item iSecond To sSecond
    Set Value Item iFirst  To sSecond
    Set Value Item iSecond To sFirst
  End_Procedure // DoSwapValues

  // Private
  // Use by bubblesort algo, fixed to sort on integer values
  //
  Function SortRequired Integer iFirst Integer iSecond Returns Boolean
    Integer iLeft
    Integer iRight
    Boolean bSort
    Get Value Item iFirst  To iLeft
    Get Value Item iSecond To iRight
    Move (iLeft>iRight) To bSort
    Function_Return bSort
  End_Function // SortRequired

  Procedure BubbleSort
    Integer j
    Integer iCount
    Integer iLoop
    Boolean bSorted
    Boolean bSortRequired
    Move (False) To bSorted
    Move (Item_Count(Self)) To iCount
    Move iCount To iLoop
    While ((iLoop > 0) And (Not(bSorted)))
      Move (True) To bSorted
      For j From 0 To (iLoop-2)
        Get SortRequired j (j+1) To bSortRequired
        If (bSortRequired) Begin
          Send DoSwapValues j (j+1)
          Move (False) To bSorted
        End
      Loop
      Decrement iLoop
    Loop
  End_Procedure // BubbleSort


  Function VDFversion Integer iItem Returns String
    Integer iVersion
    Integer iMajor
    Integer iMinor
    String  sVersion

    Get Value Item iItem To iVersion
    If (iVersion>=80) Begin
      Move (mod(iVersion,10)) To iMinor
      Move (iVersion/10) To iMajor
      Move (String(iMajor)+"."+String(iMinor)) To sVersion
    End
    Else Begin
      // Pre VDF8 versions are only denominated by
      // their main version number (no concurrent VDF7 versions can be running on the same system)
      Move (String(iVersion/10)) To sVersion
    End
    Function_Return sVersion
  End_Function // VDFversion
  
  Function IsStringNumeric String sData Returns Boolean
    Handle  hoStr
    Boolean bIsNumeric
    
    Move False to bIsNumeric
    Get Create (RefClass(cSystemStrUtils)) To hoStr
    If (hoStr) Begin
      Get IsNumeric Of hoStr sData To bIsNumeric
      Send Destroy Of hoStr
    End
    Function_Return bIsNumeric
  End_Function // IsStringNumeric

  Function VirtualMachineName String sVersion Returns String
    String  sBaseName
    String  sSuffix
    String  sVMName
    Number  nVersion
    Integer iPos

    Get StringVdfVersionToNum Of ghoWorkspaceHandlerEx sVersion To nVersion
    If (nVersion>=8.0) Move "vdfvm" to sBaseName
    Else Move "dfrun" To sBaseName
    Move (Pos(".",sVersion)) To iPos
    If (iPos>0) Move (Left(sVersion,iPos-1)) To sSuffix
    Else Move sVersion To sSuffix
    Move (sBaseName+sSuffix+".dll") To sVMName
    Function_Return sVMName
  End_Function // VirtualMachineName

  //
  // Current VDF installers completely wipe the registry of their presence after an uninstall.
  // Older VDF setups did not do that, besides having a broken VDF setup listed as a "valid VDF"
  // is not that useful.
  // This check queries the VDF registry for the vdfrootdir and see if the
  // dfrunXX.dll/vdfvmXX.dll lives in that folder.
  // We only return "true" if that is the case.
  Function RuntimeVdfVersionInstalled String sVersion Returns Boolean
    Boolean bExists
    String  sVdfRootFolder
    String  sFileName

    Move False To bExists
    Get fsVdfRootFolder Of ghoWorkspaceHandlerEx sVersion To sVdfRootFolder
    If (sVdfRootFolder<>"\") Begin
      // Technically the above test is sufficient, the additional "runtime exists" test below
      // just confirms the install is OK as even the virtual machine is available.
      Get VirtualMachineName sVersion To sFileName
      Get vFilePathExists (sVdfRootFolder+"bin\"+sFileName) To bExists
    End
    Function_Return bExists
  End_Function // RuntimeVdfVersionInstalled

  Function RuntimeInstallPath String sVersion Returns String
    Boolean bExists
    Number  nVersion
    String  sVdfRootFolder

    Move (Cast(sVersion,Number)) To nVersion
    If (nVersion<8.0) Begin
      Move (String(Integer(nVersion))) To sVersion
    End
    Get fsVdfRootFolder Of ghoWorkspaceHandlerEx sVersion To sVdfRootFolder
    Get vFolderFormat sVdfRootFolder To sVdfRootFolder
    Function_Return sVdfRootFolder
  End_Function // RuntimeInstallPath

  //
  // Gets the folder name where the Virtual Machine for VDF lives for the version
  // of VDF that you pass on. Version passed is a number like 4, 7 (always without
  // SP number under 8),
  // or 8.0, 12.1 etc. starting from version 8.
  // Will also check if the folder exists.
  //
  // Returns the bin folder with ending "\" or simply "" if not found or not exists.
  //
  Function VdfVersionBinPath String sVersion Returns String
    Boolean bExists
    String  sVdfRootFolder
    String  sBinPath

    Move "" To sBinPath
    Get RuntimeInstallPath sVersion To sVdfRootFolder
    If (sVdfRootFolder<>"\") Begin
      Move (sVdfRootFolder+"bin\") To sBinPath
      Get vFilePathExists (sBinPath+"*") to bExists
      If (bExists=false) Move "" To sBinPath
    End
    Function_Return sBinPath
  End_Function // VdfVersionBinPath

  //
  // Returns the help folder with ending "\" or simply "" if not found or not exists.
  //
  // Based on VdfVersionBinPath
  Function VdfVersionHelpPath String sVersion Returns String
    Boolean bExists
    String  sVdfRootFolder
    String  sHelpPath

    Move "" To sHelpPath
    Get RuntimeInstallPath sVersion To sVdfRootFolder
    If (sVdfRootFolder<>"\") Begin
      Move (sVdfRootFolder+"Help\") To sHelpPath
      Get vFilePathExists (sHelpPath+"*") to bExists
      If (bExists=false) Move "" To sHelpPath
    End
    Function_Return sHelpPath
  End_Function // VdfVersionHelpPath

  Function NormalizeVersionNumber String sVersion Returns String
    Integer iVersion
    Boolean bIsNumeric

    Move (Replaces(".",sVersion,"")) To sVersion
    If (sVersion<>"") Begin
      Move 0 To iVersion
      Get IsStringNumeric sVersion To bIsNumeric  // version number must be a number
      If (bIsNumeric) Begin
        Move (Replaces(",",sVersion,"")) To sVersion  // comma's are ignored
        Move (Integer(sVersion)) To iVersion
        If (iVersion<40) Begin
          // DAW wasn't consistent in naming their .0 releases
          // in the regkey, so add a 0 if version 6.0 or 7.0
          // so that we can sort our array properly
          Move (iVersion*10) To iVersion
        End
      End
      Move (Number(iVersion)) to sVersion
    End
    Function_Return sVersion
  End_Function // NormalizeVersionNumber

  Procedure EnumerateDataFlexRegistryKey String sBaseKey
    String  sValue
    Boolean bOpen
    Boolean bExists
    Boolean bCheckRT
    Integer iKeyCount
    Integer iGetCount
    Integer iCount
    Integer iItem
    Handle  hoRegistry
    Handle  hoArray


    Get pbCheckRuntimeInstalled to bCheckRT
    Move True To bExists

    Get Create U_cRegistry To hoRegistry
    If (hoRegistry) Begin

      Set pfAccessRights Of hoRegistry To KEY_READ
      Set phRootKey Of hoRegistry To HKEY_LOCAL_MACHINE
      Get OpenKey Of hoRegistry sBaseKey To bOpen
      If (bOpen) Begin
        Get Create U_Array To hoArray
        Get CountOfSubkeys Of hoRegistry To iKeyCount
        Get GetSubkeys Of hoRegistry hoArray To iGetCount
        Get Item_Count Of hoArray To iCount
        For iItem From 0 To (iCount-1)
          Get Value Of hoArray Item iItem To sValue
          If (bCheckRT) Begin
            Get RuntimeVdfVersionInstalled sValue To bExists
          End
          If (bExists) Begin
            Get NormalizeVersionNumber sValue To sValue
            If (sValue<>"") Begin
              Set Value Item (Item_Count(Self)) To sValue
            End
          End
        Loop
        Send Destroy Of hoArray
        Send CloseKey Of hoRegistry
      End
      Send Destroy Of hoRegistry
    End
  End_Procedure //


  Procedure LoadArray
    String  sKey
    Integer iCount

    // Add VDF4..VDF7
    Move (CS_SWDACVDF)  To sKey
    Move (Left(sKey,(Length(sKey)-1))) To sKey
    Send EnumerateDataFlexRegistryKey sKey

    // Read VDF8..VDF17.1 versions
    Move (CS_SWDAWVDF)  To sKey
    Move (Left(sKey,(Length(sKey)-1))) To sKey
    Send EnumerateDataFlexRegistryKey sKey

    // Read DF versions
    Move (CS_SWDAWDF)  To sKey
    Move (Left(sKey,(Length(sKey)-1))) To sKey
    Send EnumerateDataFlexRegistryKey sKey

    Get Item_Count to iCount
    If (iCount>0) Begin
      Send BubbleSort
    End
  End_Procedure // LoadArray

End_Class // cWorkspaceSortArray