function HexCharToInt(HexToken : char):Integer; begin {if HexToken>#97 then HexToken:=Chr(Ord(HexToken)-32); { use lowercase aswell } Result:=0; if (HexToken>#47) and (HexToken<#58) then { chars 0....9 } Result:=Ord(HexToken)-48 else if (HexToken>#64) and (HexToken<#71) then { chars A....F } Result:=Ord(HexToken)-65 + 10; end; function HexCharToBin(HexToken : char): string; var DivLeft : integer; begin DivLeft:=HexCharToInt(HexToken); { first HEX->BIN } Result:=''; { Use reverse dividing } repeat { Trick; divide by 2 } if odd(DivLeft) then { result = odd ? then bit = 1 } Result:='1'+Result { result 3D even ? then bit = 0 } else Result:='0'+Result; DivLeft:=DivLeft div 2; { keep dividing till 0 left and length = 4 } until (DivLeft=0) and (length(Result)=4); { 1 token = nibble = 4 bits } end; function HexToBin(HexNr : string): string; { only stringsize is limit of binnr } var Counter : integer; begin Result:=''; for Counter:=1 to length(HexNr) do Result:=Result+HexCharToBin(HexNr[Counter]); end; function pow(base, power: integer): integer; var counter : integer; begin Result:=1; for counter:=1 to power do Result:=Result*base; end; function BinStrToInt(BinStr : string) : integer; var counter : integer; begin if length(BinStr)>16 then 0D raise ERangeError.Create(#13+BinStr+#13+ 'is not within the valid range of a 16 bit binary.'+#13); Result:=0; for counter:=1 to length(BinStr) do if BinStr[Counter]='1' then Result:=Result+pow(2,length(BinStr)-counter); end; function DecodeSMS7Bit(PDU : string):string; var OctetStr : string; OctetBin : string; Charbin : string; PrevOctet: string; Counter : integer; Counter2 : integer; begin PrevOctet:=''; Result:=''; for Counter:=1 to length(PDU) do begin if length(PrevOctet)>=7 then { if 7 Bit overflow on previous } begin if BinStrToInt(PrevOctet)<>0 then Result:=Result+Chr(BinStrToInt(PrevOctet)) 0D else Result:=Result+' '; PrevOctet:=''; end; if Odd(Counter) then { only take two nibbles at a time } begin OctetStr:=Copy(PDU,Counter,2); OctetBin:=HexToBin(OctetStr); Charbin:=''; for Counter2:=1 to length(PrevOctet) do 0A Charbin:=Charbin+PrevOctet[Counter2]; for Counter2:=1 to 7-length(PrevOctet) do 0D Charbin:=OctetBin[8-Counter2+1]+Charbin; if BinStrToInt(Charbin)<>0 then Result:=Result+Chr(BinStrToInt(CharBin)) 0A else Result:=Result+' '; PrevOctet:=Copy(OctetBin,1,length(PrevOctet)+1); end; end; end; function ReverseStr(SourceStr : string) : string; var Counter : integer; begin Result:=''; for Counter:=1 to length(SourceStr) do 0A Result:=SourceStr[Counter]+Result; end; end. ================================================================ 一颗红心向前看,为了革命两茫然,不好意思才囊尽,只能说上一点点。 ★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆ ★ 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 ★ ★ 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP ★ ★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆ =============================================================
{ 函数 : RESULTSTRING = HexToBin(HEXSTRING)
{ 目的 : 把十六进制字符串转换为二进制字符串
{
{===============================================================}
{ 函数 : RESULTINTEGER = HexCharToInt(HEXCHAR)
{ 目的 : 转换一个十六进制字符为整数
{===============================================================}
{ 函数 : RESULTSTRING = HexCharToBin(HEXCHAR)
{ 目的 : 转换一个十六进制字符为二进制字符串
{===============================================================}
{ 函数 : RESULTINTEGER = Pow(BASE,POWER)
{ 目的 : 指数函数
{===============================================================}
{ 函数 : RESULTINTEGER = BinStrToInt(BINSTRING)
{ 目的 : 把二进制字符串转换为整数
{===============================================================}
{ 函数 : RESULTSTRING = DecodeSMS7Bit (PDUSTRING)
{ 目的 : 解码一个7-bit SMS (GSM 03.38) 为ASCII码
{===============================================================}
{ 函数 : RESULTSTRING = ReverseStr (SOURCESTRING)
{ 目的 : 反转一个字符串
{===============================================================}
================================================================
一颗红心向前看,为了革命两茫然,不好意思才囊尽,只能说上一点点。
★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆
★ 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 ★
★ 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP ★
★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆
================================================================
begin
{if HexToken>#97 then HexToken:=Chr(Ord(HexToken)-32);
{ use lowercase aswell } Result:=0; if (HexToken>#47) and (HexToken<#58) then { chars 0....9 }
Result:=Ord(HexToken)-48
else if (HexToken>#64) and (HexToken<#71) then { chars A....F }
Result:=Ord(HexToken)-65 + 10;
end; function HexCharToBin(HexToken : char): string;
var DivLeft : integer;
begin
DivLeft:=HexCharToInt(HexToken); { first HEX->BIN }
Result:='';
{ Use reverse dividing }
repeat { Trick; divide by 2 }
if odd(DivLeft) then { result = odd ? then bit = 1 }
Result:='1'+Result { result 3D even ? then bit = 0 }
else
Result:='0'+Result; DivLeft:=DivLeft div 2; { keep dividing till 0 left and length = 4 }
until (DivLeft=0) and (length(Result)=4); { 1 token = nibble = 4 bits }
end; function HexToBin(HexNr : string): string;
{ only stringsize is limit of binnr }
var Counter : integer;
begin
Result:=''; for Counter:=1 to length(HexNr) do
Result:=Result+HexCharToBin(HexNr[Counter]);
end; function pow(base, power: integer): integer;
var counter : integer;
begin
Result:=1; for counter:=1 to power do
Result:=Result*base;
end; function BinStrToInt(BinStr : string) : integer;
var counter : integer;
begin
if length(BinStr)>16 then 0D
raise ERangeError.Create(#13+BinStr+#13+
'is not within the valid range of a 16 bit binary.'+#13); Result:=0; for counter:=1 to length(BinStr) do
if BinStr[Counter]='1' then
Result:=Result+pow(2,length(BinStr)-counter);
end; function DecodeSMS7Bit(PDU : string):string;
var OctetStr : string;
OctetBin : string;
Charbin : string;
PrevOctet: string;
Counter : integer;
Counter2 : integer;
begin
PrevOctet:='';
Result:=''; for Counter:=1 to length(PDU) do
begin
if length(PrevOctet)>=7 then { if 7 Bit overflow on previous }
begin
if BinStrToInt(PrevOctet)<>0 then
Result:=Result+Chr(BinStrToInt(PrevOctet)) 0D
else Result:=Result+' '; PrevOctet:='';
end; if Odd(Counter) then { only take two nibbles at a time }
begin
OctetStr:=Copy(PDU,Counter,2);
OctetBin:=HexToBin(OctetStr); Charbin:='';
for Counter2:=1 to length(PrevOctet) do
0A Charbin:=Charbin+PrevOctet[Counter2]; for Counter2:=1 to 7-length(PrevOctet) do 0D
Charbin:=OctetBin[8-Counter2+1]+Charbin; if BinStrToInt(Charbin)<>0 then Result:=Result+Chr(BinStrToInt(CharBin))
0A else Result:=Result+' '; PrevOctet:=Copy(OctetBin,1,length(PrevOctet)+1);
end;
end;
end; function ReverseStr(SourceStr : string) : string;
var Counter : integer;
begin
Result:=''; for Counter:=1 to length(SourceStr) do
0A Result:=SourceStr[Counter]+Result;
end; end. ================================================================
一颗红心向前看,为了革命两茫然,不好意思才囊尽,只能说上一点点。
★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆
★ 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 我踢 ★
★ 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP 你UP ★
★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆★☆
=============================================================