diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index 49408d77a7ac88ab8481e9b1e7bb5e3d8be19e8a..49f7ef1e4f1a9b2ec39be9cdd79760cb929ba538 100644 (file)
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
function readUInt64BE (st: TStream): UInt64;
+function nmin (a, b: Byte): Byte; inline; overload;
+function nmin (a, b: ShortInt): ShortInt; inline; overload;
+function nmin (a, b: Word): Word; inline; overload;
+function nmin (a, b: SmallInt): SmallInt; inline; overload;
+function nmin (a, b: LongWord): LongWord; inline; overload;
+function nmin (a, b: LongInt): LongInt; inline; overload;
+function nmin (a, b: Int64): Int64; inline; overload;
+function nmin (a, b: UInt64): UInt64; inline; overload;
+function nmin (a, b: Single): Single; inline; overload;
+function nmin (a, b: Double): Double; inline; overload;
+function nmin (a, b: Extended): Extended; inline; overload;
+
+function nmax (a, b: Byte): Byte; inline; overload;
+function nmax (a, b: ShortInt): ShortInt; inline; overload;
+function nmax (a, b: Word): Word; inline; overload;
+function nmax (a, b: SmallInt): SmallInt; inline; overload;
+function nmax (a, b: LongWord): LongWord; inline; overload;
+function nmax (a, b: LongInt): LongInt; inline; overload;
+function nmax (a, b: Int64): Int64; inline; overload;
+function nmax (a, b: UInt64): UInt64; inline; overload;
+function nmax (a, b: Single): Single; inline; overload;
+function nmax (a, b: Double): Double; inline; overload;
+function nmax (a, b: Extended): Extended; inline; overload;
+
+function nclamp (v, a, b: Byte): Byte; inline; overload;
+function nclamp (v, a, b: ShortInt): ShortInt; inline; overload;
+function nclamp (v, a, b: Word): Word; inline; overload;
+function nclamp (v, a, b: SmallInt): SmallInt; inline; overload;
+function nclamp (v, a, b: LongWord): LongWord; inline; overload;
+function nclamp (v, a, b: LongInt): LongInt; inline; overload;
+function nclamp (v, a, b: Int64): Int64; inline; overload;
+function nclamp (v, a, b: UInt64): UInt64; inline; overload;
+function nclamp (v, a, b: Single): Single; inline; overload;
+function nclamp (v, a, b: Double): Double; inline; overload;
+function nclamp (v, a, b: Extended): Extended; inline; overload;
+
+
type
TFormatStrFCallback = procedure (constref buf; len: SizeUInt);
@@ -130,6 +167,7 @@ function formatstrf (const fmt: AnsiString; args: array of const; writerCB: TFor
function wchar2win (wc: WideChar): AnsiChar; inline;
function utf2win (const s: AnsiString): AnsiString;
+function win2utf (const s: AnsiString): AnsiString;
function digitInBase (ch: AnsiChar; base: Integer): Integer;
// returns string in single or double quotes
type
generic TSimpleList<ItemT> = class
private
- type PItemT = ^ItemT;
+ //type PItemT = ^ItemT;
+ type TItemArr = array of ItemT;
public
type
TEnumerator = record
private
- mItems: PItemT;
+ mItems: TItemArr;
mCount: Integer;
mCurrent: Integer;
public
- constructor Create (aitems: PItemT; acount: Integer);
+ constructor Create (const aitems: TItemArr; acount: Integer);
function MoveNext: Boolean;
function getCurrent (): ItemT;
property Current: ItemT read getCurrent;
end;
private
- mItems: array of ItemT;
+ mItems: TItemArr;
mCount: Integer; // can be less than `mItems` size
private
function getAt (idx: Integer): ItemT; inline;
+ procedure setAt (idx: Integer; const it: ItemT); inline;
+
+ function getCapacity (): Integer; inline;
+ procedure setCapacity (v: Integer); inline;
public
- constructor Create ();
+ constructor Create (acapacity: Integer=-1);
destructor Destroy (); override;
+ //WARNING! don't change list contents in `for ... in`!
function GetEnumerator (): TEnumerator;
procedure reset (); inline; // won't resize `mItems`
public
property count: Integer read mCount;
- property at[idx: Integer]: ItemT read getAt; default;
+ property capacity: Integer read getCapacity write setCapacity;
+ property at[idx: Integer]: ItemT read getAt write setAt; default;
end;
// ////////////////////////////////////////////////////////////////////////// //
-constructor TSimpleList.TEnumerator.Create (aitems: PItemT; acount: Integer);
+constructor TSimpleList.TEnumerator.Create (const aitems: TItemArr; acount: Integer);
begin
mItems := aitems;
- mCount := acount;
mCurrent := -1;
+ mCount := acount;
end;
function TSimpleList.TEnumerator.MoveNext: Boolean;
// ////////////////////////////////////////////////////////////////////////// //
-constructor TSimpleList.Create ();
+constructor TSimpleList.Create (acapacity: Integer=-1);
begin
mItems := nil;
+ if (acapacity > 0) then SetLength(mItems, acapacity);
mCount := 0;
end;
end;
+function TSimpleList.getCapacity (): Integer; inline;
+begin
+ result := Length(mItems);
+end;
+
+
+procedure TSimpleList.setCapacity (v: Integer); inline;
+begin
+ if (v < mCount) then v := mCount;
+ if (v <> Length(mItems)) then SetLength(mItems, v);
+end;
+
+
function TSimpleList.GetEnumerator (): TEnumerator;
begin
- if (Length(mItems) > 0) then result := TEnumerator.Create(@mItems[0], mCount)
+ if (Length(mItems) > 0) then result := TEnumerator.Create(mItems, mCount)
else result := TEnumerator.Create(nil, -1);
end;
end;
+procedure TSimpleList.setAt (idx: Integer; const it: ItemT); inline;
+begin
+ if (idx >= 0) and (idx < mCount) then mItems[idx] := it;
+end;
+
+
procedure TSimpleList.append (constref it: ItemT); inline;
begin
if (mCount = Length(mItems)) then
// ////////////////////////////////////////////////////////////////////////// //
-procedure initShitMap ();
const
cp1251: array[0..127] of Word = (
$0402,$0403,$201A,$0453,$201E,$2026,$2020,$2021,$20AC,$2030,$0409,$2039,$040A,$040C,$040B,$040F,
$0430,$0431,$0432,$0433,$0434,$0435,$0436,$0437,$0438,$0439,$043A,$043B,$043C,$043D,$043E,$043F,
$0440,$0441,$0442,$0443,$0444,$0445,$0446,$0447,$0448,$0449,$044A,$044B,$044C,$044D,$044E,$044F
);
+
+
+procedure initShitMap ();
var
f: Integer;
begin
end;
+function win2utf (const s: AnsiString): AnsiString;
+var
+ f, c: Integer;
+
+ function utf8Encode (code: Integer): AnsiString;
+ begin
+ if (code < 0) or (code > $10FFFF) then begin result := '?'; exit; end;
+ if (code <= $7f) then
+ begin
+ result := Char(code and $ff);
+ end
+ else if (code <= $7FF) then
+ begin
+ result := Char($C0 or (code shr 6));
+ result += Char($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));
+ 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));
+ end
+ else
+ begin
+ result := '?';
+ end;
+ end;
+
+begin
+ for f := 1 to Length(s) do
+ begin
+ if (Byte(s[f]) > 127) then
+ begin
+ result := '';
+ for c := 1 to Length(s) do
+ begin
+ if (Byte(s[c]) < 128) then
+ begin
+ result += s[c];
+ end
+ else
+ begin
+ result += utf8Encode(cp1251[Byte(s[c])-128])
+ end;
+ end;
+ exit;
+ end;
+ end;
+ result := s;
+end;
+
+
// ////////////////////////////////////////////////////////////////////////// //
function digitInBase (ch: AnsiChar; base: Integer): Integer;
begin
@@ -886,6 +1012,44 @@ function readInt64BE (st: TStream): Int64; begin readIntegerBE(st, @result, 8);
function readUInt64BE (st: TStream): UInt64; begin readIntegerBE(st, @result, 8); end;
+// ////////////////////////////////////////////////////////////////////////// //
+function nmin (a, b: Byte): Byte; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: ShortInt): ShortInt; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: Word): Word; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: SmallInt): SmallInt; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: LongWord): LongWord; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: LongInt): LongInt; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: Int64): Int64; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: UInt64): UInt64; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: Single): Single; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: Double): Double; inline; overload; begin if (a < b) then result := a else result := b; end;
+function nmin (a, b: Extended): Extended; inline; overload; begin if (a < b) then result := a else result := b; end;
+
+function nmax (a, b: Byte): Byte; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: ShortInt): ShortInt; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: Word): Word; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: SmallInt): SmallInt; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: LongWord): LongWord; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: LongInt): LongInt; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: Int64): Int64; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: UInt64): UInt64; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: Single): Single; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: Double): Double; inline; overload; begin if (a > b) then result := a else result := b; end;
+function nmax (a, b: Extended): Extended; inline; overload; begin if (a > b) then result := a else result := b; end;
+
+function nclamp (v, a, b: Byte): Byte; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: ShortInt): ShortInt; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: Word): Word; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: SmallInt): SmallInt; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: LongWord): LongWord; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: LongInt): LongInt; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: Int64): Int64; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: UInt64): UInt64; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: Single): Single; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: Double): Double; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+function nclamp (v, a, b: Extended): Extended; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+
+
// ////////////////////////////////////////////////////////////////////////// //
{$IFDEF WINDOWS}
function snprintf (buf: PAnsiChar; bufsize: SizeUInt; const fmt: PAnsiChar): SizeUInt; cdecl; varargs; external 'msvcrt.dll' name '_snprintf';
while (len > 0) do
begin
if (len > 255) then slen := 255 else slen := Integer(len);
- Move(b^, ss[1], len);
+ Move(b^, ss[1], slen);
ss[0] := AnsiChar(slen);
result += ss;
b += slen;