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⟦2c9d38a33⟧ Ada Source

    Length: 6144 (0x1800)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Conversion, seg_05160c

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

with Util_String;
package body Conversion is

    package Us renames Util_String;

    function Char_To_Byte (C : Character) return Gd.Byte is
    begin
        return Character'Pos (C);
    end Char_To_Byte;


    function Byte_To_Char (B : Gd.Byte) return Character is
    begin
        return Character'Val (B);
    end Byte_To_Char;


    function Nat_To_Byte (N : Natural) return Gd.Byte is
    begin  
        if N > 255 then
            raise Byte_Error;
        else
            return Natural'Pos (N);
        end if;
    end Nat_To_Byte;


    function Byte_To_Nat (B : Gd.Byte) return Natural is
    begin
        return Natural'Val (B);
    end Byte_To_Nat;


    function Bs_To_String (Bs : Gd.Byte_String) return String is
        S : String (Bs'First .. Bs'Last);
    begin
        for I in Bs'Range loop
            S (I) := Byte_To_Char (Bs (I));
        end loop;
        return S;
    end Bs_To_String;

    function Byte_To_Hex (B : Gd.Byte) return String is
        I : Natural;
        S : String (1 .. 2);
    begin
        I := Gd.Byte'Pos (B) mod 16;
        case I is
            when 0 .. 9 =>
                S (2 .. 2) := Us.Suppression_Espace_Left (Natural'Image (I));
            when 10 =>
                S (2) := 'A';
            when 11 =>
                S (2) := 'B';
            when 12 =>
                S (2) := 'C';
            when 13 =>
                S (2) := 'D';
            when 14 =>
                S (2) := 'E';
            when 15 =>
                S (2) := 'F';
            when others =>
                null;
        end case;
        I := Gd.Byte'Pos (B) / 16;
        case I is
            when 0 .. 9 =>
                S (1 .. 1) := Us.Suppression_Espace_Left (Natural'Image (I));
            when 10 =>
                S (1) := 'A';
            when 11 =>
                S (1) := 'B';
            when 12 =>
                S (1) := 'C';
            when 13 =>
                S (1) := 'D';
            when 14 =>
                S (1) := 'E';
            when 15 =>
                S (1) := 'F';
            when others =>
                null;
        end case;
        return 'H' & S;
    end Byte_To_Hex;

    function String_To_Bs (S : String) return Gd.Byte_String is
        Bs : Gd.Byte_String (S'First .. S'Last);
    begin
        for I in S'Range loop
            Bs (I) := Char_To_Byte (S (I));
        end loop;
        return Bs;
    end String_To_Bs;

    function Image_Hex (B : Gd.Byte) return String is  
    begin
        return Byte_To_Hex (B);
    end Image_Hex;

    function Image_Hex (Bs : Gd.Byte_String) return String is
    begin  
        if Bs'First = Bs'Last then
            return Byte_To_Hex (Bs (Bs'First));
        else
            return Byte_To_Hex (Bs (Bs'First)) & '|' &
                      Image_Hex (Bs (Bs'First + 1 .. Bs'Last));
        end if;
    end Image_Hex;

    function Image (Bs : Gd.Byte_String) return String is
    begin
        if Bs'First = Bs'Last then
            return Image (Bs (Bs'First));
        else  
            return Image (Bs (Bs'First)) & '|' &
                      Image (Bs (Bs'First + 1 .. Bs'Last));
        end if;
    end Image;

    function Image (B : Gd.Byte) return String is
    begin
        return Us.Suppression_Espace_Left (Natural'Image (Gd.Byte'Pos (B)));
    end Image;

    function Concat (Left, Right : Gd.Byte_String) return Gd.Byte_String is
        Bs : Gd.Byte_String (1 .. Left'Length + Right'Length);
    begin
        Bs (1 .. Left'Length) := Left;
        Bs (Left'Length + 1 .. Bs'Last) := Right;
        return Bs;
    end Concat;

end Conversion;

    nblk1=5
    nid=0
    hdr6=a
        [0x00] rec0=2c rec1=00 rec2=01 rec3=00e
        [0x01] rec0=02 rec1=00 rec2=02 rec3=02e
        [0x02] rec0=21 rec1=00 rec2=03 rec3=028
        [0x03] rec0=22 rec1=00 rec2=05 rec3=064
        [0x04] rec0=18 rec1=00 rec2=04 rec3=000
    tail 0x2154b447e879a5b8946be 0x42a00088462060003