diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index f61035e5c4ac6a6fbf736df86b64e53901c4550e..59a49f251dbb3b927cfea195b442f38ab3656ae8 100644 (file)
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
SysUtils, Classes;
+// ////////////////////////////////////////////////////////////////////////// //
+type
+ SSArray = array of ShortString;
+
+
// ////////////////////////////////////////////////////////////////////////// //
type
TUtf8DecoderFast = packed record
function addWadExtension (const fn: AnsiString): AnsiString;
// convert number to strig with nice commas
-function Int64ToStrComma (i: Int64): AnsiString;
+function int64ToStrComma (i: Int64): AnsiString;
-function UpCase1251 (ch: Char): Char;
-function LoCase1251 (ch: Char): Char;
+function upcase1251 (ch: AnsiChar): AnsiChar; inline;
+function locase1251 (ch: AnsiChar): AnsiChar; inline;
function toLowerCase1251 (const s: AnsiString): AnsiString;
// `true` if strings are equal; ignoring case for cp1251
-function StrEquCI1251 (const s0, s1: AnsiString): Boolean;
+function strEquCI1251 (const s0, s1: AnsiString): Boolean;
function utf8Valid (const s: AnsiString): Boolean;
function createDiskFile (pathname: AnsiString): TStream;
// little endian
+procedure writeSign (st: TStream; const sign: AnsiString);
+function checkSign (st: TStream; const sign: AnsiString): Boolean;
+
+procedure writeBool (st: TStream; b: Boolean);
+function readBool (st: TStream): Boolean;
+
+procedure writeStr (st: TStream; const str: AnsiString; maxlen: LongWord=65535);
+function readStr (st: TStream; maxlen: LongWord=65535): AnsiString;
+
procedure writeInt (st: TStream; v: Byte); overload;
procedure writeInt (st: TStream; v: ShortInt); overload;
procedure writeInt (st: TStream; v: Word); overload;
TFormatStrFCallback = procedure (constref buf; len: SizeUInt);
// returns formatted string if `writerCB` is `nil`, empty string otherwise
-function formatstrf (const fmt: AnsiString; args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
+function formatstrf (const fmt: AnsiString; const args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
function wchar2win (wc: WideChar): AnsiChar; inline;
function utf2win (const s: AnsiString): AnsiString;
procedure clear (); inline;
procedure append (constref it: ItemT); inline;
+ procedure delete (idx: Integer); inline;
+ function remove (idx: Integer): ItemT; inline;
public
property count: Integer read mCount;
end;
+procedure FillMemory (Dest: Pointer; Len: LongWord; Ch: Byte); inline;
+procedure CopyMemory (Dest: Pointer; Src: Pointer; Len: LongWord); inline;
+procedure ZeroMemory (Dest: Pointer; Len: LongWord); inline;
+
+
implementation
+uses
+ xstreams;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+procedure CopyMemory (Dest: Pointer; Src: Pointer; Len: LongWord); inline;
+begin
+ Move(Src^, Dest^, Len);
+end;
+
+procedure FillMemory (Dest: Pointer; Len: LongWord; Ch: Byte); inline;
+begin
+ FillChar(Dest^, Len, Ch);
+end;
+
+procedure ZeroMemory (Dest: Pointer; Len: LongWord); inline;
+begin
+ FillChar(Dest^, Len, 0);
+end;
+
// ////////////////////////////////////////////////////////////////////////// //
constructor TSimpleList.TEnumerator.Create (const aitems: TItemArr; acount: Integer);
procedure TSimpleList.append (constref it: ItemT); inline;
+var
+ newsz: Integer;
begin
- if (mCount = Length(mItems)) then
+ if (mCount >= Length(mItems)) then
begin
- if (mCount = 0) then SetLength(mItems, 128) else SetLength(mItems, mCount*2);
+ newsz := mCount+(mCount div 3)+128;
+ SetLength(mItems, newsz);
end;
mItems[mCount] := it;
Inc(mCount);
end;
+procedure TSimpleList.delete (idx: Integer); inline;
+var
+ f: Integer;
+begin
+ if (idx >= 0) and (idx < mCount) then
+ begin
+ for f := idx+1 to mCount-1 do mItems[f-1] := mItems[f];
+ end;
+end;
+
+
+function TSimpleList.remove (idx: Integer): ItemT; inline;
+var
+ f: Integer;
+begin
+ if (idx >= 0) and (idx < mCount) then
+ begin
+ result := mItems[idx];
+ for f := idx+1 to mCount-1 do mItems[f-1] := mItems[f];
+ end
+ else
+ begin
+ result := Default(ItemT);
+ end;
+end;
+
+
// ////////////////////////////////////////////////////////////////////////// //
var
wc2shitmap: array[0..65535] of AnsiChar;
if (code < 0) or (code > $10FFFF) then begin result := '?'; exit; end;
if (code <= $7f) then
begin
- result := Char(code and $ff);
+ result := AnsiChar(code and $ff);
end
else if (code <= $7FF) then
begin
- result := Char($C0 or (code shr 6));
- result += Char($80 or (code and $3F));
+ result := AnsiChar($C0 or (code shr 6));
+ result += AnsiChar($80 or (code and $3F));
end
else if (code <= $FFFF) then
begin
- result := Char($E0 or (code shr 12));
- result += Char($80 or ((code shr 6) and $3F));
- result += Char($80 or (code and $3F));
+ result := AnsiChar($E0 or (code shr 12));
+ result += AnsiChar($80 or ((code shr 6) and $3F));
+ result += AnsiChar($80 or (code and $3F));
end
else if (code <= $10FFFF) then
begin
- result := Char($F0 or (code shr 18));
- result += Char($80 or ((code shr 12) and $3F));
- result += Char($80 or ((code shr 6) and $3F));
- result += Char($80 or (code and $3F));
+ result := AnsiChar($F0 or (code shr 18));
+ result += AnsiChar($80 or ((code shr 12) and $3F));
+ result += AnsiChar($80 or ((code shr 6) and $3F));
+ result += AnsiChar($80 or (code and $3F));
end
else
begin
end;
-function Int64ToStrComma (i: Int64): AnsiString;
+function int64ToStrComma (i: Int64): AnsiString;
var
f: Integer;
begin
end;
-function UpCase1251 (ch: Char): Char;
+function upcase1251 (ch: AnsiChar): AnsiChar; inline;
begin
if ch < #128 then
begin
end;
-function LoCase1251 (ch: Char): Char;
+function locase1251 (ch: AnsiChar): AnsiChar; inline;
begin
if ch < #128 then
begin
end;
-function StrEquCI1251 (const s0, s1: AnsiString): Boolean;
+function strEquCI1251 (const s0, s1: AnsiString): Boolean;
var
i: Integer;
begin
);
-function decodeUtf8Char (s: AnsiString; var pos: Integer): char;
+function decodeUtf8Char (s: AnsiString; var pos: Integer): AnsiChar;
var
b, c: Integer;
begin
b := Byte(s[pos]);
Inc(pos);
- if b < $80 then begin result := char(b); exit; end;
+ if b < $80 then begin result := AnsiChar(b); exit; end;
// mask out unused bits
if (b and $FE) = $FC then b := b and $01
end;
// done, try 1251
- for c := 128 to 255 do if uni2wint[c] = b then begin result := char(c and $FF); exit; end;
+ for c := 128 to 255 do if uni2wint[c] = b then begin result := AnsiChar(c and $FF); exit; end;
// alas
end;
end;
{$ENDIF}
+procedure writeSign (st: TStream; const sign: AnsiString);
+begin
+ if (Length(sign) > 0) then st.WriteBuffer(sign[1], Length(sign));
+end;
+
+function checkSign (st: TStream; const sign: AnsiString): Boolean;
+var
+ buf: packed array[0..7] of AnsiChar;
+ f: Integer;
+begin
+ result := false;
+ if (Length(sign) > 0) then
+ begin
+ if (Length(sign) <= 8) then
+ begin
+ st.ReadBuffer(buf[0], Length(sign));
+ for f := 1 to Length(sign) do if (buf[f-1] <> sign[f]) then exit;
+ end
+ else
+ begin
+ for f := 1 to Length(sign) do
+ begin
+ st.ReadBuffer(buf[0], 1);
+ if (buf[0] <> sign[f]) then exit;
+ end;
+ end;
+ end;
+ result := true;
+end;
+
procedure writeInt (st: TStream; v: Byte); overload; begin writeIntegerLE(st, @v, 1); end;
procedure writeInt (st: TStream; v: ShortInt); overload; begin writeIntegerLE(st, @v, 1); end;
procedure writeInt (st: TStream; v: Word); overload; begin writeIntegerLE(st, @v, 2); end;
@@ -1126,6 +1227,31 @@ procedure writeIntBE (st: TStream; v: LongInt); overload; begin writeIntegerBE(s
procedure writeIntBE (st: TStream; v: Int64); overload; begin writeIntegerBE(st, @v, 8); end;
procedure writeIntBE (st: TStream; v: UInt64); overload; begin writeIntegerBE(st, @v, 8); end;
+procedure writeBool (st: TStream; b: Boolean); begin writeInt(st, Byte(b)); end;
+function readBool (st: TStream): Boolean; begin result := (readByte(st) <> 0); end;
+
+
+procedure writeStr (st: TStream; const str: AnsiString; maxlen: LongWord=65535);
+begin
+ if (Length(str) > maxlen) then raise XStreamError.Create('string too long');
+ if (maxlen <= 65535) then writeInt(st, Word(Length(str))) else writeInt(st, LongWord(Length(str)));
+ if (Length(str) > 0) then st.WriteBuffer(str[1], Length(str));
+end;
+
+function readStr (st: TStream; maxlen: LongWord=65535): AnsiString;
+var
+ len: Integer;
+begin
+ result := '';
+ if (maxlen <= 65535) then len := readWord(st) else len := Integer(readLongWord(st));
+ if (len < 0) or (len > maxlen) then raise XStreamError.Create('string too long');
+ if (len > 0) then
+ begin
+ SetLength(result, len);
+ st.ReadBuffer(result[1], len);
+ end;
+end;
+
procedure readIntegerLE (st: TStream; vp: Pointer; size: Integer);
{$IFDEF ENDIAN_LITTLE}
*)
-function formatstrf (const fmt: AnsiString; args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
+function formatstrf (const fmt: AnsiString; const args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
const
PadSpaces: AnsiString = ' ';
PadZeroes: AnsiString = '00000000000000000000000000000000000000000000000000000000000000000000000';