From 2fbdf974338bde8576efdae40a819a76b2391033 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Sun, 5 Nov 2023 11:22:55 +0000
Subject: Initial import of the open source release

---
 tools/iDSK/src/Outils.cpp | 165 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 tools/iDSK/src/Outils.cpp

(limited to 'tools/iDSK/src/Outils.cpp')

diff --git a/tools/iDSK/src/Outils.cpp b/tools/iDSK/src/Outils.cpp
new file mode 100644
index 0000000..54e3c22
--- /dev/null
+++ b/tools/iDSK/src/Outils.cpp
@@ -0,0 +1,165 @@
+#include <iostream>
+#include <cstring>
+#include <cstdio>
+using namespace std;
+#include "Outils.h"
+
+//
+// Initialise une chaine au format hexad�cimal en fonction de la valeur d'entr�e
+//
+void Hex( char Chaine[], int Valeur, int Digit )
+{
+    static char TabDigit[ 17 ] = "0123456789ABCDEF";
+
+    while( Digit )
+        * Chaine++ = TabDigit[ ( Valeur >> ( 4 * ( --Digit ) ) ) & 0x0F ];
+}
+
+
+//
+// Conversion hexa->d�cimal
+//
+int HexToDec( char * Valeur )
+{
+    char * p = strchr( Valeur, 'X' );
+    if ( p )
+        Valeur = ++p;
+
+    p = strchr( Valeur, 'x' );
+    if ( p )
+        Valeur = ++p;
+
+    p = strchr( Valeur, '#' );
+    if ( p )
+        Valeur = ++p;
+
+    p = strchr( Valeur, '$' );
+    if ( p )
+        Valeur = ++p;
+
+    p = strchr( Valeur, '&' );
+    if ( p )
+        Valeur = ++p;
+
+    int Ret = 0, i = 0;
+    while( Valeur[ i ] )
+        {
+        Ret <<= 4;
+        char c = Valeur[ i++ ];
+        if ( c >= '0' && c <= '9' )
+            Ret += c - '0';
+        else
+            Ret += ( c & 0x5F ) - 0x37;
+        }
+    return( Ret );
+}
+
+
+//
+// Conversion d'un secteur (512 octets) en affichage Hexa et ASCII
+//
+void SetBuffViewHexa( unsigned char * src, char * Hex, char * Ascii, unsigned short Offset, int AddOffset)
+{
+    const char * CodeHexa = "0123456789ABCDEF";
+    int q = 0,i;
+
+    //
+    // Parcourir les 512 octets de la source et remplir les buffers
+    //
+    for ( i = 0; i < 512; i++ )
+        {
+        unsigned char b = * src++;
+        if ( b > 32 && b < 127 )
+        {
+            Ascii[ i ] = b;
+           // cout << "b32:" << (int)b <<" Ascii["<<i<<"]:"<< Ascii[ i ] << endl;
+        }
+        else
+        {
+            Ascii[ i ] = '.';
+        }
+        if ( AddOffset && ( ! ( i & 0x0F ) ) )
+            {
+            Hex[ q++ ] = '#';
+            Hex[ q++ ] = CodeHexa[ Offset >> 12 ];
+            Hex[ q++ ] = CodeHexa[ ( Offset >> 8 ) & 0x0F ];
+            Hex[ q++ ] = CodeHexa[ ( Offset >> 4 ) & 0x0F ];
+            Hex[ q++ ] = CodeHexa[ Offset & 0x0F ];
+            Hex[ q++ ] = ':';
+            }
+        Offset++;
+        Hex[ q++ ] = CodeHexa[ b >> 4 ];
+        Hex[ q++ ] = CodeHexa[ b & 0x0F ];
+        Hex[ q++ ] = ' ';
+        }
+    Hex[ q ] = 0;
+    Ascii[ i ] = 0;
+}
+
+
+//
+// Retourne le num�ro d'user sous forme de chaine
+//
+char * GetUser( int u )
+{
+    static char User[ 8 ];
+	sprintf(User, "%d", u);
+    return( User);
+}
+
+
+
+//
+// Retourne la taille du fichier sous forme de chaine
+//
+char * GetTaille( int t )
+{
+    static char Taille[ 16 ];
+
+    sprintf( Taille, "%d Ko", t );
+    return( Taille );
+}
+
+
+//
+// Retourne le nom du fichier formatt� amsdos (8+3)
+//
+char * GetNomAmsdos(const char * AmsName )
+{
+	// Extract the name (without directory components)
+	const char* lastSlash = strrchr(AmsName, '/');
+	const char* lastBackslash = strrchr(AmsName, '\\');
+	if (lastSlash > lastBackslash)
+		AmsName = lastSlash + 1;
+	else if (lastSlash < lastBackslash)
+		AmsName = lastBackslash + 1;
+
+    static char NomAmsdos[ 16 ];
+		int i;
+
+    char * p = NomAmsdos;
+    for ( i = 0; i < 8; i++ ) {
+        if ( * AmsName != ' ' && *AmsName != '.' )
+            * p++ = * AmsName++;
+		/*if ( * AmsName == '-' )
+			* p++ = * AmsName++;*/
+	}
+
+    while( * AmsName != '.' && * AmsName )
+        AmsName++;
+
+	AmsName++;
+	
+    * p = 0;
+    strcat( NomAmsdos, "." );
+
+    for ( i = 0; * AmsName && i < 3; i++ )
+        *++p = * AmsName++;
+
+    * ++p = 0;
+    i = 0;
+    while( NomAmsdos[ i ] )
+        NomAmsdos[ i++ ] &= 0x7F;
+
+    return( NomAmsdos );
+}
-- 
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