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authorJuan J. Martinez <jjm@usebox.net>2021-05-03 08:21:10 +0100
committerJuan J. Martinez <jjm@usebox.net>2021-05-03 10:00:00 +0100
commitc3b0fa04a663fe233765b83d3be41a42aa08c25d (patch)
tree0befda349001ef6ce306b39378f9c70ad917363e /tools/iDSK/src/Outils.cpp
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Initial import for public releaseHEADmain
Diffstat (limited to 'tools/iDSK/src/Outils.cpp')
-rw-r--r--tools/iDSK/src/Outils.cpp165
1 files changed, 165 insertions, 0 deletions
diff --git a/tools/iDSK/src/Outils.cpp b/tools/iDSK/src/Outils.cpp
new file mode 100644
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+++ b/tools/iDSK/src/Outils.cpp
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+#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 );
+}