Editeur de matrices et de propriétés

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Description

Si vous avez regardé mes autres programmes en vb, celui-la vous semblera redondant , il utilise des fichiers communs a tout mes anciens programmes en vb (iostream.txt, property.txt).
Vous-êtes vous déja demmandé comment écrire en temps réel dans un fichier-matrice ou un fichier stoquant des propriétés ?
Voila ce que le prog fait. Il exploite ma property.txt. Le programme crée des matfile et datfile (fichier de matrices et respectivement de propriétés).
Mon property.txt a été créé pour un jeu de role que je n'ai même pas commancé, j'ai abandonné le vb avant .
###
comme d'habitude, pour les exe allez a http://magus54.free.fr/prog
###

Source / Exemple :

'Voici le sourcecode de property.txt
'Ce fichier à été créé en un moi de sueurs suite à ma
'découverte de php&mysql
' ... alors RESPECT
'       Read an write variables directely from an BIN file
'
' Mk_Datfile(templatefile$,outfile$ ,2) to create an dat file
'               NEVER FORGET THE ',2'
' Open_DatFile(datfile$) opens a datfile and return its id
' Add_Item(id) Creates an new item in the file and
'   reserve space for its propertys, and return is number
'   NOTA: you can NOT delete items in an datfile

' Chg_Prop_Int(id,no,prop$,newval$)
' Chg_Prop_Str(id,no,prop$,newval$)
' Read_Prop_Int(id,no,prop$) return the number in the prop
' Read_Prop_Str(id,no,prop$) return the str in the prop
' Close_DatFile(id) close the datfile opened before
' Update_Datfile_With_Inifile (id, Filename$) fill a datfile
'   with the contains of the filename$. Easy:
'       [number_of_the_element]
'       property=value    // Achtnung ! For a number, value must
'                         // start with & ("&d255"=255 "&hFF"=255)
'       ...

'
' You must use this basfile with Iostream.bas

'---------------------------------------------------
'MatriX Functions:
'Mk_matfile (X_dim , Y_Dim, L_Dim, OutputFile) create a matfile
' Nota: The matrix will be earsed after its creation.
'        This will take a lot of time events its dims
'        are big
'Open_Matfile(filename) open a matfile and returns its id
'Close_Matfile(id)
'Read_Matrix_int(id,x,y) return a number in the matrix
'Read_Matrix_Str(id,x,y) return a string in the matrix
'Write_Matrix_int(id,x,y,valu)
'Write_Matrix_Str(id,x,y,valu$)

'Declarations for this file:
Const DATFILE_INIT_STRING = "DATZ"  '// the begenning of each datfile
Dim FILE_PROPERTIES_FILEID(-1 To 100) As Integer
Dim FILE_PROPERTIES_MAX(-1 To 100) As Integer
Dim FILE_PROPERTIES_ZERO(-1 To 100) As Integer
Dim FILE_PROPERTIES_Nom(-1 To 100, 255) As String
Dim FILE_PROPERTIES_FileName(-1 To 100) As String
Dim FILE_PROPERTIES_Start(-1 To 100, 255) As Integer
Dim FILE_PROPERTIES_End(-1 To 100, 255) As Integer
Dim BUILDING_Template As String


Const MATFILE_INIT_STRING = "MATZ"  '// the begenning of each matfile
Dim FILE_MATRIX_FILEID(-1 To 255) As Integer
Dim FILE_MATRIX_X(-1 To 255) As Integer
Dim FILE_MATRIX_Y(-1 To 255) As Integer
Dim FILE_MATRIX_ZERO(-1 To 255) As Integer
Dim FILE_MATRIX_FileName(-1 To 255) As String
Dim FILE_MATRIX_DIM(-1 To 255) As Integer




Dim ForEach_i(-1 To 255) As Integer
Dim ForEach_n(-1 To 255) As String

Sub Mk_Datfile (TemplateFile As String, OutputFile As String, Ini_n As Integer)
On Error GoTo STOP_MKYINGDATFILE
Ini_n = 2
dis$ = DATFILE_INIT_STRING
nul$ = Chr$(0): onee$ = Chr$(1): nlen$ = Chr$(Ini_n)
Dim StartProp As Integer, EndProp As Integer
'Préparation du fichier
Out = Open_DosFile(OutputFile, "output"): Close Out: Kill OutputFile

    Out = Open_DosFile(OutputFile, "binary")
        Put #Out, 1, dis$ '//Verif la validité du fichier
        Put #Out, 1 + Len(dis$), nlen$ '// Nb d'octets à lire pour localiser les prop
        Put #Out, 2 + Len(dis$), nul$  '// Nb occupé par la déclaration des props
        Put #Out, 3 + Len(dis$), nul$  '// Nb occupé par la déclaration des props
        Put #Out, 4 + Len(dis$), nul$  '// Occupé pour le nb d'échantillons
        Put #Out, 5 + Len(dis$), nul$  '// Occupé pour le nb d'échantillons
        Put #Out, 6 + Len(dis$), nul$  '// Occupé pour le nb d'échantillons
        Put #Out, 7 + Len(dis$), nul$  '// ne sers à rien
    Close #Out
EndProp = 0: prop_name_decl = Len(dis$) + 8
        

In = Open_DosFile(TemplateFile, "input")
Out = Open_DosFile(OutputFile, "binary")
    
    Do While Not EOF(In)
        Line Input #In, txt$
            prop_n$ = Get_Word(txt$, 0, " "): Prop_len = Val(Get_Word(txt$, 1, " "))
            StartProp = EndProp + 1: EndProp = StartProp + Prop_len
            Str_p$ = Chr$(0) + Trs_Int(StartProp, Ini_n) + Trs_Int(EndProp, Ini_n) + prop_n$
            
            Put #Out, prop_name_decl, Str_p$
            prop_name_decl = prop_name_decl + Len(Str_p$)
    Loop

        'Valider le nb de props
        StartProp = prop_name_decl
        Str_p$ = Trs_Int(StartProp, 2): Put #Out, 2 + Len(dis$), Str_p$
        
STOP_MKYINGDATFILE: If Err <> 0 Then Resume STOP_MKYINGDATFILE
Close #In: Close #Out

End Sub



Function Open_Datfile (fichier As String) As Integer
'Debug.Print "OPEN_DATFILE:" + fichier
'Déclarations
    Dim C As String * 1: dis$ = DATFILE_INIT_STRING

'Obtenir un id de DATFILE =>id
    For i = 0 To 16: If FILE_PROPERTIES_FILEID(i) = 0 Then Exit For
    Next: If FILE_PROPERTIES_FILEID(i) <> 0 Then Open_Datfile = -1: Exit Function
    id = i: FILE_PROPERTIES_FileName(id) = fichier
    Open_Datfile = id

'Ouvrir le fichier =>FileID
    FileID = Open_DosFile(fichier, "binary"): If FileID = -1 Then Open_Datfile = -1: Exit Function
    FILE_PROPERTIES_FILEID(i) = FileID

'Verifier qu'il sagit bien d'un fichier DATZ
    d$ = Read_From_File(FileID, 1, Len(dis$))
    If d$ <> dis$ Then Open_Datfile = -1: Exit Function


'Obtenir la déclaration des propriétés
    prop_name_decl = Val("&h" + From_Bin_To_Hex(Read_From_File(FileID, 2 + Len(dis$), 2)))
    Start_p = Len(dis$) + 8
    Property_String$ = Read_From_File(FileID, Start_p, prop_name_decl)
    FILE_PROPERTIES_ZERO(id) = Start_p + prop_name_decl


'Traiter cette déclaration
    x = 1: maxp = 0
    Do: x = x + 1
        np$ = ""
        Start_Str$ = Mid$(Property_String$, x, 2): x = x + 2
        If Val("&h" + From_Bin_To_Hex(Start_Str$)) = 0 Then Exit Do
        FILE_PROPERTIES_Start(id, maxp) = Val("&h" + From_Bin_To_Hex(Start_Str$))
        End_Str$ = Mid$(Property_String$, x, 2): x = x + 2
        FILE_PROPERTIES_End(id, maxp) = Val("&h" + From_Bin_To_Hex(End_Str$))
    
        Do While Mid$(Property_String$, x, 1) <> Chr$(0)
            np$ = np$ + Mid$(Property_String$, x, 1): x = x + 1
        Loop
        FILE_PROPERTIES_Nom(id, maxp) = np$
        'Debug.Print "OPEN_DATFILE: "; np$ + "=>[" + Str$(FILE_PROPERTIES_Start(id, maxp)) + ";" + Str$(FILE_PROPERTIES_End(id, maxp)) + "]:" + Str$(FILE_PROPERTIES_End(id, maxp) - FILE_PROPERTIES_Start(id, maxp))
        maxp = maxp + 1
    Loop While x < Len(Property_String$)
    
    FILE_PROPERTIES_MAX(id) = maxp

'Terminé !! Renvoyer l'id du fichier DAT
    Open_Datfile = id
End Function


Sub Close_Datfile (id_datfile)
Close FILE_PROPERTIES_FILEID(id_datfile): FILE_PROPERTIES_FILEID(id_datfile) = 0
End Sub

Function Get_Number_Of_Items (nb)
    dis$ = DATFILE_INIT_STRING
    FileID = FILE_PROPERTIES_FILEID(nb)
    t$ = From_Bin_To_Hex(Read_From_File(FileID, 4 + Len(dis$), 3))
    Get_Number_Of_Items = Val("&h" + t$)

End Function


Sub Change_number_of_Items (id, nb)
    dis$ = DATFILE_INIT_STRING
    FileID = FILE_PROPERTIES_FILEID(id)
    hexx$ = Hex$(nb)
    binn$ = Expand_Bin(From_Hex_To_Bin(hexx$), 3)

    Put #FileID, 4 + Len(dis$), binn$

End Sub

Function Add_Item (id)
FileID = FILE_PROPERTIES_FILEID(id)

n = Get_Number_Of_Items(id) + 1

Change_number_of_Items id, n

Add_Item = n

maxp = FILE_PROPERTIES_MAX(id)
Start_Item = FILE_PROPERTIES_ZERO(id) + (FILE_PROPERTIES_End(id, maxp - 1) + 1) * n
End_Item = FILE_PROPERTIES_ZERO(id) + (FILE_PROPERTIES_End(id, maxp - 1) + 1) * (n + 1)
Len_Item = End_Item - Start_Item

    t$ = String$(Len_Item, Chr$(0))
    Put #FileID, Start_Item + 1, t$

End Function

Sub Chg_Prop_Str (ByVal id, ByVal no_item, prop_n$, ByVal NewVal$)
Dim LenI As Integer
Dim C As String * 1

maxp = FILE_PROPERTIES_MAX(id)
FileID = FILE_PROPERTIES_FILEID(id)
For i = 0 To maxp - 1
    If LCase$(FILE_PROPERTIES_Nom(id, i)) = LCase$(prop_n$) Then Exit For
Next
If LCase$(FILE_PROPERTIES_Nom(id, i)) <> LCase$(prop_n$) Then Exit Sub
no_prop = i

Start_Item = FILE_PROPERTIES_ZERO(id) + (FILE_PROPERTIES_End(id, maxp - 1) + 1) * no_item
StartI = FILE_PROPERTIES_Start(id, i)
EndI = FILE_PROPERTIES_End(id, i)
LenI = EndI - StartI
NV$ = Expand_Bin(NewVal$, LenI)

For x = 0 To LenI - 1
    C = Mid$(NV$, x + 1, 1)
    Put #FileID, Start_Item + StartI + x, C
Next

End Sub



Function Read_Prop_Str (ByVal id, ByVal no_item, prop_n$) As String
Dim C As String * 1

maxp = FILE_PROPERTIES_MAX(id)
FileID = FILE_PROPERTIES_FILEID(id)
For i = 0 To maxp - 1
    If LCase$(FILE_PROPERTIES_Nom(id, i)) = LCase$(prop_n$) Then Exit For
Next
If LCase$(FILE_PROPERTIES_Nom(id, i)) <> LCase$(prop_n$) Then Exit Function
no_prop = i

Start_Item = FILE_PROPERTIES_ZERO(id) + (FILE_PROPERTIES_End(id, maxp - 1) + 1) * no_item
StartI = FILE_PROPERTIES_Start(id, no_prop)
EndI = FILE_PROPERTIES_End(id, no_prop)
LenI = EndI - StartI
Read_Prop_Str = Read_From_File(FileID, Start_Item + StartI, LenI)
End Function

Sub Chg_Prop_Int (id, no_item, prop_n$, NewVal)
hexx$ = Hex$(NewVal)
NewVall$ = From_Hex_To_Bin(hexx$)
Chg_Prop_Str id, no_item, prop_n$, NewVall$
End Sub


Function Read_Prop_Int (ByVal id, ByVal no_item, ByVal prop_n$) As Integer

    stred$ = Read_Prop_Str(id, no_item, prop_n$)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Prop_Int = Val("&h" + hexx$)

End Function

Sub Close_MatFile (id_matfile)
Close FILE_MATRIX_FILEID(id_matfile): FILE_MATRIX_FILEID(id_matfile) = 0
End Sub

Sub Mk_MatFile (X_dim As Integer, Y_Dim As Integer, L_Dim As Integer, OutputFile As String)
Dim e As Long, i    As Long
'On Error GoTo STOP_MKYINGMATFILE
mis$ = MATFILE_INIT_STRING
nul$ = Chr$(0): nlen$ = Chr$(L_Dim)
X_d$ = Trs_Int(X_dim, 2): Y_D$ = Trs_Int(Y_Dim, 2)

Out = Open_DosFile(OutputFile, "output"): Close Out: Kill OutputFile

    Out = Open_DosFile(OutputFile, "binary")
        Put #Out, 1, mis$ '//Verif la validité du fichier
        Put #Out, 1 + Len(mis$), nlen$ '// Nb d'octets à lire pour chaque elem de la mat
        Put #Out, 2 + Len(mis$), X_d$  '// X_Dimenstion (2 chars)
        Put #Out, 4 + Len(mis$), Y_D$  '// Y_Dim
        Rem Put #Out, 5 + Len(mis$), nul$  '// ne sers à rien
        
        ' Faire un fichier VIDE
        s = 6 + Len(mis$): e = X_dim * L_Dim: e = e * Y_Dim: e = e + s
        
        For i = s To e: Put #Out, i, nul$: Next
        
         

     

STOP_MKYINGMATFILE: If Err <> 0 Then Resume STOP_MKYINGMATFILE
    Close #Out
End Sub

Function Open_MatFile (ByVal fichier As String) As Integer
'Déclarations
    Dim C As String * 1: mis$ = MATFILE_INIT_STRING

'Obtenir un id de DATFILE =>id
    For i = 0 To 16: If FILE_MATRIX_FILEID(i) = 0 Then Exit For
    Next: If FILE_MATRIX_FILEID(i) <> 0 Then Open_MatFile = -1: Exit Function
    id = i: FILE_MATRIX_FileName(id) = fichier
    Open_MatFile = id

'Ouvrir le fichier =>FileID
    FileID = Open_DosFile(fichier, "binary"): If FileID = -1 Then Open_MatFile = -1: Exit Function
    FILE_MATRIX_FILEID(i) = FileID

'Verifier qu'il sagit bien d'un fichier MATZ
    d$ = Read_From_File(FileID, 1, Len(mis$))
    If d$ <> mis$ Then Open_MatFile = -1: Exit Function


'Obtenir les dimensions de la matrice
        nlen$ = Read_From_File(FileID, 1 + Len(mis$), 1)
        X_d$ = Read_From_File(FileID, 2 + Len(mis$), 2)
        Y_D$ = Read_From_File(FileID, 4 + Len(mis$), 2)
        FILE_MATRIX_ZERO(id) = 6 + Len(mis$)
        FILE_MATRIX_ZERO(id) = 6 + Len(mis$)
        FILE_MATRIX_X(id) = Val("&h" + From_Bin_To_Hex(X_d$))
        FILE_MATRIX_Y(id) = Val("&h" + From_Bin_To_Hex(Y_D$))
        FILE_MATRIX_DIM(id) = Val("&h" + From_Bin_To_Hex(nlen$))
End Function


Function Read_MatriX_Str (id_matfile, x, Y) As String

    pos = Pos_Matrix(id_matfile, x, Y)
    FileID = FILE_MATRIX_FILEID(id_matfile)
    l = FILE_MATRIX_DIM(id_matfile)

Read_MatriX_Str = Read_From_File(FileID, pos, l)

End Function




Sub Write_Matrix_Str (id_matfile, x, Y, valu As String)
Dim l As Integer
pos = Pos_Matrix(id_matfile, x, Y)
FileID = FILE_MATRIX_FILEID(id_matfile)
l = FILE_MATRIX_DIM(id_matfile)

valu2$ = Expand_Bin(valu, l)
Put #FileID, pos, valu2$
End Sub

Function Read_Matrix_Int (id_matfile, x, Y) As Integer

    stred$ = Read_MatriX_Str(id_matfile, x, Y)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Matrix_Int = Val("&h" + hexx$)

End Function

Sub Write_Matrix_Int (id_matfile, x, Y, NewVal As Integer)
    hexx$ = Hex$(NewVal)
    NewVall$ = From_Hex_To_Bin(hexx$)
Write_Matrix_Str id_matfile, x, Y, NewVall$

End Sub

Sub Update_Datfile_With_Inifile (id_datfile, Filename As String)
On Error GoTo ERROR_UPDATING_DATFILE

'Récupérer le nom du fichier DAT et ouvrir le template
    DatNam$ = FILE_PROPERTIES_FileName(id_datfile)
    FileID = FILE_PROPERTIES_FILEID(id_datfile)
    template = Open_DosFile(Filename, "input")
        
'Traiter le template
    Do While Not EOF(template)
        Line Input #template, txt$
        'Traiter txt$
            If text$ <> "" And Left$(txt$, 1) <> ";" Then
                If Left$(txt$, 1) = "[" And Right$(txt$, 1) = "]" Then
                    np = Val(Mid$(txt$, 2, Len(txt$) - 2))
                    Change_number_of_Items id_datfile, np
                ElseIf InStr(txt$, "=") Then
                       PropNam$ = Get_Word2(txt$, 0, "=")
                       valu$ = Get_Word2(txt$, 1, "=")
                        Select Case UCase$(Left$(valu$, 2))
                            Case "&D"
                                vval$ = Hex$(Val(Mid$(valu$, 3)))
                                Resu$ = From_Hex_To_Bin(vval$)
                            Case "&H"
                                vval$ = Hex$(Val(valu$))
                                Resu$ = From_Hex_To_Bin(vval$)
                            Case Else
                                Resu$ = valu$
                        End Select
                        Chg_Prop_Str id_datfile, np, PropNam$, Resu$
                End If
            End If
    Loop




'Terminer la Sub
ERROR_UPDATING_DATFILE: If Err <> 0 Then Resume ERROR_UPDATING_DATFILE
    Close #template
End Sub

Function Pos_Matrix (id_matfile, x, Y) As Double
    zero = FILE_MATRIX_ZERO(id_matfile)
    l = FILE_MATRIX_DIM(id_matfile)
    Xmax = FILE_MATRIX_X(id_matfile)

Dim one As Double
    one = (Xmax + 1) * Y
    one = one + x
    one = one * l
    one = one + zero
Pos_Matrix = one
End Function

Sub Create_Template ()
BUILDING_Template = ""
End Sub

Sub Add_Prop_toTemplate (nomprop$, lenght)
template$ = BUILDING_Template
If template$ <> "" Then
  template$ = template$ + Chr$(13) + Chr$(10) + nomprop$ + Str$(lenght)
Else
  template$ = nomprop$ + Str$(lenght)
End If
BUILDING_Template = template$
End Sub


Sub Write_templateFile (file$)
fileref = Open_DosFile(file$, "output")
Print #fileref, BUILDING_Template
Close fileref
End Sub

Function Read_Matrix_Double (id_matfile, x, Y) As Double
    stred$ = Read_MatriX_Str(id_matfile, x, Y)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Matrix_Double = Val("&h" + hexx$)

End Function

Function Read_Matrix_Long (id_matfile, x, Y) As Long
    stred$ = Read_MatriX_Str(id_matfile, x, Y)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Matrix_Long = From_Hex_To_Int(hexx$)

End Function

Function Read_Prop_Double (id, no_item, prop_n$) As Double
    stred$ = Read_Prop_Str(id, no_item, prop_n$)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Prop_Double = Val("&h" + hexx$)

End Function

Function Read_Prop_Long (id, no_item, prop_n$) As Long
    stred$ = Read_Prop_Str(id, no_item, prop_n$)
    hexx$ = From_Bin_To_Hex(stred$)
    Read_Prop_Long = From_Hex_To_Int(hexx$)'Val("&h" + hexx$)

End Function

Function Get_PropName (id, no) As String
Get_PropName = FILE_PROPERTIES_Nom(id, no)

End Function

Function Whatis_This_Propfile (fichier As String)

fich = Open_DosFile(fichier, "binary")
    id$ = Read_From_File(fich, 1, 4)
Close fich
    Select Case id$
    Case "DATZ": Whatis_This_Propfile = 1
    Case "MATZ": Whatis_This_Propfile = 2
    Case Else: Whatis_This_Propfile = -1
    End Select
End Function

Function Matrix_Get_XDIM (id) As Integer
Matrix_Get_XDIM = FILE_MATRIX_X(id)

End Function

Function Matrix_Get_YDIM (id) As Integer
Matrix_Get_YDIM = FILE_MATRIX_Y(id)

End Function

Function Matrix_Get_LDIM (id) As Integer
Matrix_Get_LDIM = FILE_MATRIX_DIM(id)

End Function

Function Get_Prop_Dim (id, prop_n$)
maxp = FILE_PROPERTIES_MAX(id)
FileID = FILE_PROPERTIES_FILEID(id)
For i = 0 To maxp - 1
    If LCase$(FILE_PROPERTIES_Nom(id, i)) = LCase$(prop_n$) Then Exit For
Next
If LCase$(FILE_PROPERTIES_Nom(id, i)) <> LCase$(prop_n$) Then Exit Function

StartI = FILE_PROPERTIES_Start(id, i)
EndI = FILE_PROPERTIES_End(id, i)
Get_Prop_Dim = EndI - StartI

End Function

Function ForEach_str (id, prop_n$) As String
If prop_n$ <> ForEach_n(id) Then ForEach_i(id) = 0: ForEach_n(id) = prop_n$
If prop_n$ = "" Or ForEach_i(id) + 1 > Get_Number_Of_Items(id) Then Exit Function
x = ForEach_i(id) + 1: ForEach_i(id) = x
    ForEach_str = Read_Prop_Str(id, x, prop_n$)
End Function

Function Where (ByVal id, ByVal prop$, ByVal valu$)

     max = Get_Number_Of_Items(id): Where = -1
     For i = 1 To max
        If Short_String(Read_Prop_Str(ByVal id, ByVal i, prop$)) = valu$ Then Where = i: Exit Function
     Next

End Function

Conclusion :

Par exemple, pour créér une matrice 8x8 (pour une de mes anciennes passions, les échecs), il suffit de faire
Mk_matfile (8 , 8, 1, "sauvegarde.mat")
Attention ! la matrice part de zéro , pas de 1 !!
on ouvre la matrice:
echequier=Open_Matfile("sauvegarde.mat")
on place un pion sur l'échiquier:
Write_Matrix_int(echequier,3,2,PION)
(on définira PION avant)
on ferme et on enregistre:
Close_Matfile(echequier)
et voilaaa !! Comment faire plus simple ?
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