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raw | patch | inline | side by side (parent: 09c7e2f)
| author | DeaDDooMER <deaddoomer@deadsoftware.ru> | |
| Wed, 27 Sep 2023 06:36:01 +0000 (09:36 +0300) | ||
| committer | DeaDDooMER <deaddoomer@deadsoftware.ru> | |
| Wed, 27 Sep 2023 06:36:01 +0000 (09:36 +0300) |
| src/shared/a_modes.inc | patch | blob | history | |
| src/shared/utils.pas | patch | blob | history |
diff --git a/src/shared/a_modes.inc b/src/shared/a_modes.inc
index 05afc88baeddc07d83ea0dd2645973a710d35ce3..73ce2a08a7314c1bddebe052929fedcf3900cbd1 100644 (file)
--- a/src/shared/a_modes.inc
+++ b/src/shared/a_modes.inc
-{$MODE DELPHI}
+{$IFDEF D2DF_FORCE_OBJFPC}
+ {$MODE OBJFPC}
+{$ELSE}
+ {$MODE DELPHI}
+{$ENDIF}
+
+{$MODESWITCH ADVANCEDRECORDS+}
{$INLINE ON}
diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index 10f7f930faa92089fd260571492dc767caf9f40c..4116c3fdd6c374433aab0ca37c506dab6a5a453e 100644 (file)
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
-(* Copyright (C) DooM 2D:Forever Developers
+(* Copyright (C) Doom 2D: Forever Developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*)
+{$DEFINE D2DF_FORCE_OBJFPC}
{$INCLUDE a_modes.inc}
unit utils;
interface
uses
- SysUtils, Classes;
+ SysUtils, Classes, md5;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+type
+ SSArray = array of ShortString;
+
+
+const
+ Invalid1251Char = #$98; // Undefined 1251 char, we use it as replacement for unknown chars
+ InvalidUnicodeCodepoint = $FFFD; // Unicode REPLACEMENT CHARACTER used to replace an unknown, unrecognised, or unrepresentable character
+
+const wadExtensions: array [0..6] of AnsiString = (
+ '.dfz',
+ '.wad',
+ '.dfwad',
+ '.pk3',
+ '.pak',
+ '.zip',
+ '.dfzip'
+);
+
+{$IF DEFINED(FREEBSD) OR DEFINED(DARWIN)}
+const NilThreadId = nil;
+{$ELSE}
+const NilThreadId = 0;
+{$ENDIF}
// ////////////////////////////////////////////////////////////////////////// //
type
TUtf8DecoderFast = packed record
public
- const Replacement = $FFFD; // replacement char for invalid unicode
+ const Replacement = InvalidUnicodeCodepoint; // replacement char for invalid unicode
const Accept = 0;
const Reject = 12;
// ////////////////////////////////////////////////////////////////////////// //
+function getFilenameExt (const fn: AnsiString): AnsiString;
+function setFilenameExt (const fn, ext: AnsiString): AnsiString;
+function forceFilenameExt (const fn, ext: AnsiString): AnsiString;
+
+// rewrites slashes to '/'
+function fixSlashes (s: AnsiString): AnsiString;
+
+// replaces all the shitty characters with '_'
+// (everything except alphanumerics, '_', '.')
+function sanitizeFilename (s: AnsiString): AnsiString;
+
+function isAbsolutePath (const s: AnsiString): Boolean;
+function isRootPath (const s: AnsiString): Boolean;
+
+// strips out name from `fn`, leaving trailing slash
+function getFilenamePath (const fn: AnsiString): AnsiString;
+
+// ends with '/' or '\'?
+function isFilenamePath (const fn: AnsiString): Boolean;
+
+// strips extra trailing slashes in `path, and extra leading slashes in `fn`
+// will add slash to `path`, even if `fn` is empty!
+function filenameConcat (const path, fn: AnsiString): AnsiString;
+
// does filename have one of ".wad", ".pk3", ".zip" extensions?
-function hasWadExtension (fn: AnsiString): Boolean;
+function hasWadExtension (const fn: AnsiString): Boolean;
// does filepath have ".XXX:\" in it?
-function isWadPath (fn: AnsiString): Boolean;
+function isWadPath (const fn: AnsiString): Boolean;
// adds ".wad" extension if filename doesn't have one of ".wad", ".pk3", ".zip"
-function addWadExtension (fn: AnsiString): AnsiString;
+function addWadExtension (const fn: AnsiString): AnsiString;
+
+// check wad signature
+function isWadData (data: Pointer; len: LongWord): Boolean;
// convert number to strig with nice commas
-function Int64ToStrComma (i: Int64): AnsiString;
+function int64ToStrComma (i: Int64): AnsiString;
-function UpCase1251 (ch: AnsiChar): AnsiChar; inline;
-function LoCase1251 (ch: AnsiChar): AnsiChar; inline;
+function upcase1251 (ch: AnsiChar): AnsiChar; inline;
+function locase1251 (ch: AnsiChar): AnsiChar; inline;
+function IsValid1251 (ch: Word): Boolean;
+function IsPrintable1251 (ch: AnsiChar): Boolean;
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 utf8to1251 (s: AnsiString): AnsiString;
-// `pathname` will be modified if path is valid
-// `lastIsDir` should be `true` if we are searching for directory
-// nobody cares about shitdoze, so i'll use the same code path for it
+// findFileCI takes case-insensitive path, traverses it, and rewrites it to
+// a case-sensetive one (using real on-disk names). return value means 'success'.
+// if some dir or file wasn't found, pathname is undefined (destroyed, but not
+// necessarily cleared).
+// last name assumed to be a file, not directory (unless `lastIsDir` flag is set).
function findFileCI (var pathname: AnsiString; lastIsDir: Boolean=false): Boolean;
function findFileCIStr (pathname: AnsiString): AnsiString;
+// findDiskWad tries to find the wad file using common wad extensions
+// (see `wadExtensions` array).
+// returns real on-disk filename, or empty string.
+// original wad extension is used as a hint for the first try.
+// also, this automatically performs `findFileCI()`.
+function findDiskWad (fname: AnsiString): AnsiString;
+// slashes must be normalized!
+function isWadNamesEqu (wna, wnb: AnsiString): Boolean;
+
// they throws
function openDiskFileRO (pathname: AnsiString): TStream;
function createDiskFile (pathname: AnsiString): TStream;
+// create file if necessary, but don't truncate the existing one
+function openDiskFileRW (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;
function readInt64BE (st: TStream): Int64;
function readUInt64BE (st: TStream): UInt64;
+function nlerp (a, b: Integer; t: Single): Integer; inline;
+
+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;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nmin (a, b: Extended): Extended; inline; overload;
+{$ENDIF}
+
+function nmax (a, b: Byte): Byte; inline; overload;
+function nmax (a, b: ShortInt): ShortInt; inline; overload;
+function nmax (a, b: Word): Word; inline; overload;
+function nmax (a, b: SmallInt): SmallInt; inline; overload;
+function nmax (a, b: LongWord): LongWord; inline; overload;
+function nmax (a, b: LongInt): LongInt; inline; overload;
+function nmax (a, b: Int64): Int64; inline; overload;
+function nmax (a, b: UInt64): UInt64; inline; overload;
+function nmax (a, b: Single): Single; inline; overload;
+function nmax (a, b: Double): Double; inline; overload;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nmax (a, b: Extended): Extended; inline; overload;
+{$ENDIF}
+function nclamp (v, a, b: Byte): Byte; inline; overload;
+function nclamp (v, a, b: ShortInt): ShortInt; inline; overload;
+function nclamp (v, a, b: Word): Word; inline; overload;
+function nclamp (v, a, b: SmallInt): SmallInt; inline; overload;
+function nclamp (v, a, b: LongWord): LongWord; inline; overload;
+function nclamp (v, a, b: LongInt): LongInt; inline; overload;
+function nclamp (v, a, b: Int64): Int64; inline; overload;
+function nclamp (v, a, b: UInt64): UInt64; inline; overload;
+function nclamp (v, a, b: Single): Single; inline; overload;
+function nclamp (v, a, b: Double): Double; inline; overload;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nclamp (v, a, b: Extended): Extended; inline; overload;
+{$ENDIF}
type
TFormatStrFCallback = procedure (constref buf; len: SizeUInt);
+// returns formatted string if `writerCB` is `nil`, empty string otherwise
+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;
function win2utf (const s: AnsiString): AnsiString;
// double quotes supports c-style escapes
// function will select quote mode automatically
function quoteStr (const s: AnsiString): AnsiString;
+// separate single-quote and double-quote escape functions
+function squoteStr (const s: AnsiString): AnsiString;
+function dquoteStr (const s: AnsiString): AnsiString;
+
+
+type
+ generic TSimpleList<ItemT> = class
+ private
+ //type PItemT = ^ItemT;
+ type TItemArr = array of ItemT;
+
+ public
+ type
+ TEnumerator = record
+ private
+ mItems: TItemArr;
+ mCount: Integer;
+ mCurrent: Integer;
+ public
+ constructor Create (const aitems: TItemArr; acount: Integer);
+ function MoveNext: Boolean;
+ function getCurrent (): ItemT;
+ property Current: ItemT read getCurrent;
+ end;
+
+ private
+ 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 (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`
+ 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;
+ property capacity: Integer read getCapacity write setCapacity;
+ property at[idx: Integer]: ItemT read getAt write setAt; default;
+ 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;
+
+
+type
+ TDiskFileInfo = record
+ diskName: AnsiString;
+ size: LongInt;
+ age: LongInt;
+ // not changed by info getter; used in other parts of the code
+ userName: AnsiString;
+ tag: Integer;
+ hash: TMD5Digest;
+ udata: Pointer;
+ end;
+
+function GetDiskFileInfo (fname: AnsiString; var info: TDiskFileInfo): Boolean;
+
+
+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;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+// rewrites slashes to '/'
+function fixSlashes (s: AnsiString): AnsiString;
+{$IFDEF WINDOWS}
+var
+ f: Integer;
+{$ENDIF}
+begin
+ result := s;
+ {$IFDEF WINDOWS}
+ for f := 1 to length(result) do if (result[f] = '\') then result[f] := '/';
+ {$ENDIF}
+end;
+
+// replaces all the shitty characters with '_'
+// (everything except alphanumerics, '_', '.')
+function sanitizeFilename (s: AnsiString): AnsiString;
+var
+ i: Integer;
+const
+ leaveChars: set of Char = [ '0'..'9', 'A'..'Z', 'a'..'z', '_', '.', #192..#255 ];
+ replaceWith: Char = '_';
+begin
+ result := s;
+ for i := 1 to length(result) do
+ if not (result[i] in leaveChars) then
+ result[i] := replaceWith;
+end;
+
+function isAbsolutePath (const s: AnsiString): Boolean;
+begin
+ result := false;
+ if (length(s) = 0) then exit;
+ {$IFDEF WINDOWS}
+ if (s[1] = '/') or (s[1] = '\') then begin result := true; exit; end;
+ if (length(s) > 2) and (s[2] = ':') and ((s[3] = '/') or (s[3] = '\')) then begin result := true; exit; end;
+ {$ELSE}
+ result := (s[1] = '/');
+ {$ENDIF}
+end;
+
+
+function isRootPath (const s: AnsiString): Boolean;
+begin
+ result := false;
+ if (length(s) = 0) then exit;
+ {$IFDEF WINDOWS}
+ if (s = '/') or (s = '\') then begin result := true; exit; end;
+ if (length(s) = 3) and (s[2] = ':') and ((s[3] = '/') or (s[3] = '\')) then begin result := true; exit; end;
+ {$ELSE}
+ result := (s = '/');
+ {$ENDIF}
+end;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+constructor TSimpleList.TEnumerator.Create (const aitems: TItemArr; acount: Integer);
+begin
+ mItems := aitems;
+ mCurrent := -1;
+ mCount := acount;
+end;
+
+function TSimpleList.TEnumerator.MoveNext: Boolean;
+begin
+ Inc(mCurrent);
+ result := (mCurrent < mCount);
+end;
+
+function TSimpleList.TEnumerator.getCurrent (): ItemT;
+begin
+ result := mItems[mCurrent];
+end;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+constructor TSimpleList.Create (acapacity: Integer=-1);
+begin
+ mItems := nil;
+ if (acapacity > 0) then SetLength(mItems, acapacity);
+ mCount := 0;
+end;
+
+
+destructor TSimpleList.Destroy ();
+begin
+ mItems := nil;
+ inherited;
+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, mCount)
+ else result := TEnumerator.Create(nil, -1);
+end;
+
+
+procedure TSimpleList.reset (); inline;
+begin
+ mCount := 0;
+end;
+
+
+procedure TSimpleList.clear (); inline;
+begin
+ mItems := nil;
+ mCount := 0;
+end;
+
+
+function TSimpleList.getAt (idx: Integer): ItemT; inline;
+begin
+ if (idx >= 0) and (idx < mCount) then result := mItems[idx] else result := Default(ItemT);
+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;
+var
+ newsz: Integer;
+begin
+ if (mCount >= Length(mItems)) then
+ begin
+ 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;
// ////////////////////////////////////////////////////////////////////////// //
const
cp1251: array[0..127] of Word = (
$0402,$0403,$201A,$0453,$201E,$2026,$2020,$2021,$20AC,$2030,$0409,$2039,$040A,$040C,$040B,$040F,
- $0452,$2018,$2019,$201C,$201D,$2022,$2013,$2014,$003F,$2122,$0459,$203A,$045A,$045C,$045B,$045F,
+ $0452,$2018,$2019,$201C,$201D,$2022,$2013,$2014,InvalidUnicodeCodepoint,$2122,$0459,$203A,$045A,$045C,$045B,$045F,
$00A0,$040E,$045E,$0408,$00A4,$0490,$00A6,$00A7,$0401,$00A9,$0404,$00AB,$00AC,$00AD,$00AE,$0407,
$00B0,$00B1,$0406,$0456,$0491,$00B5,$00B6,$00B7,$0451,$2116,$0454,$00BB,$0458,$0405,$0455,$0457,
$0410,$0411,$0412,$0413,$0414,$0415,$0416,$0417,$0418,$0419,$041A,$041B,$041C,$041D,$041E,$041F,
$0440,$0441,$0442,$0443,$0444,$0445,$0446,$0447,$0448,$0449,$044A,$044B,$044C,$044D,$044E,$044F
);
-implementation
procedure initShitMap ();
var
f: Integer;
begin
- for f := 0 to High(wc2shitmap) do wc2shitmap[f] := '?';
+ for f := 0 to High(wc2shitmap) do wc2shitmap[f] := Invalid1251Char;
for f := 0 to 127 do wc2shitmap[f] := AnsiChar(f);
for f := 0 to 127 do wc2shitmap[cp1251[f]] := AnsiChar(f+128);
wc2shitmapInited := true;
function wchar2win (wc: WideChar): AnsiChar; inline;
begin
if not wc2shitmapInited then initShitMap();
- if (LongWord(wc) > 65535) then result := '?' else result := wc2shitmap[LongWord(wc)];
+ if (LongWord(wc) > 65535) then result := Invalid1251Char else result := wc2shitmap[LongWord(wc)];
end;
function utf8Encode (code: Integer): AnsiString;
begin
- if (code < 0) or (code > $10FFFF) then begin result := '?'; exit; end;
+ if (code < 0) or (code > $10FFFF) then
+ code := InvalidUnicodeCodepoint;
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 $3F));
- end
- else
- begin
- result := '?';
+ result := AnsiChar($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;
end;
// ////////////////////////////////////////////////////////////////////////// //
+function squoteStr (const s: AnsiString): AnsiString;
+var
+ f: Integer;
+begin
+ result := '''';
+ for f := 1 to Length(s) do
+ begin
+ if (s[f] = '''') then result += '''';
+ result += s[f];
+ end;
+ result += '''';
+end;
+
+function dquoteStr (const s: AnsiString): AnsiString;
+var
+ f: Integer;
+ ch: AnsiChar;
+begin
+ result := '"';
+ for f := 1 to Length(s) do
+ begin
+ ch := s[f];
+ if (ch = #0) then result += '\z'
+ else if (ch = #9) then result += '\t'
+ else if (ch = #10) then result += '\n'
+ else if (ch = #13) then result += '\r'
+ else if (ch = #27) then result += '\e'
+ else if (ch < ' ') or (ch = #127) then
+ begin
+ result += '\x';
+ result += LowerCase(IntToHex(Integer(ch), 2));
+ end
+ else if (ch = '"') or (ch = '\') then
+ begin
+ result += '\';
+ result += ch;
+ end
+ else
+ begin
+ result += ch;
+ end;
+ end;
+ result += '"';
+end;
+
function quoteStr (const s: AnsiString): AnsiString;
+var
+ needSingle: Boolean = false;
+ f: Integer;
+begin
+ for f := 1 to Length(s) do
+ begin
+ if (s[f] = '''') then begin needSingle := true; continue; end;
+ if (s[f] < ' ') or (s[f] = #127) then begin result := dquoteStr(s); exit; end;
+ end;
+ if needSingle then result := squoteStr(s) else result := ''''+s+'''';
+end;
- function squote (const s: AnsiString): AnsiString;
- var
- f: Integer;
+
+// ////////////////////////////////////////////////////////////////////////// //
+function getFilenameExt (const fn: AnsiString): AnsiString;
+var
+ pos: Integer;
+ ch: AnsiChar;
+begin
+ pos := Length(fn);
+ while (pos > 0) do
begin
- result := '''';
- for f := 1 to Length(s) do
+ ch := fn[pos];
+ if (ch = '.') then
begin
- if (s[f] = '''') then result += '''';
- result += s[f];
+ if (pos = Length(fn)) then result := '' else result := Copy(fn, pos, Length(fn)-pos+1);
+ exit;
end;
- result += '''';
+ if (ch = '/') or (ch = '\') then break;
+ Dec(pos);
end;
+ result := ''; // no extension
+end;
- function dquote (const s: AnsiString): AnsiString;
- var
- f: Integer;
- ch: AnsiChar;
- begin
- result := '"';
- for f := 1 to Length(s) do
- begin
- ch := s[f];
- if (ch = #0) then result += '\z'
- else if (ch = #9) then result += '\t'
- else if (ch = #10) then result += '\n'
- else if (ch = #13) then result += '\r'
- else if (ch = #27) then result += '\e'
- else if (ch < ' ') or (ch = #127) then
- begin
- result += '\x';
- result += LowerCase(IntToHex(Integer(ch), 2));
- end
- else if (ch = '"') or (ch = '\') then
+
+function setFilenameExt (const fn, ext: AnsiString): AnsiString;
+var
+ pos: Integer;
+ ch: AnsiChar;
+begin
+ result := fn;
+ if (Length(ext) = 0) or (ext = '.') then exit;
+ pos := Length(fn);
+ while (pos > 0) do
+ begin
+ ch := fn[pos];
+ if (ch = '.') then exit;
+ if (ch = '/') or (ch = '\') then break;
+ Dec(pos);
+ end;
+ if (ext[1] <> '.') then result += '.';
+ result += ext;
+end;
+
+
+function forceFilenameExt (const fn, ext: AnsiString): AnsiString;
+var
+ pos: Integer;
+ ch: AnsiChar;
+begin
+ result := fn;
+ pos := Length(fn);
+ while (pos > 0) do
+ begin
+ ch := fn[pos];
+ if (ch = '.') then
+ begin
+ if (Length(ext) = 0) or (ext = '.') then
begin
- result += '\';
- result += ch;
+ result := Copy(fn, 1, pos-1);
end
else
begin
- result += ch;
+ if (ext[1] = '.') then result := Copy(fn, 1, pos-1) else result := Copy(fn, 1, pos);
+ result += ext;
+ exit;
end;
end;
- result += '"';
+ if (ch = '/') or (ch = '\') then break;
+ Dec(pos);
end;
+ if (Length(ext) > 0) then
+ begin
+ if (ext[1] <> '.') then result += '.';
+ result += ext;
+ end;
+end;
+
+// strips out name from `fn`, leaving trailing slash
+function getFilenamePath (const fn: AnsiString): AnsiString;
var
- needSingle: Boolean = false;
- f: Integer;
+ pos: Integer;
+ ch: AnsiChar;
begin
- for f := 1 to Length(s) do
+ if (Length(fn) = 0) then begin result := './'; exit; end;
+ if (fn[Length(fn)] = '/') or (fn[Length(fn)] = '\') then begin result := fn; exit; end;
+ pos := Length(fn);
+ while (pos > 0) do
begin
- if (s[f] = '''') then begin needSingle := true; continue; end;
- if (s[f] < ' ') or (s[f] = #127) then begin result := dquote(s); exit; end;
+ ch := fn[pos];
+ if (ch = '/') or (ch = '\') then begin result := Copy(fn, 1, pos); exit; end;
+ Dec(pos);
end;
- if needSingle then result := squote(s) else result := ''''+s+'''';
+ result := './'; // no path -> current dir
end;
-// ////////////////////////////////////////////////////////////////////////// //
-function hasWadExtension (fn: AnsiString): Boolean;
+// ends with '/' or '\'?
+function isFilenamePath (const fn: AnsiString): Boolean;
begin
- fn := ExtractFileExt(fn);
- result := StrEquCI1251(fn, '.wad') or StrEquCI1251(fn, '.pk3') or StrEquCI1251(fn, '.zip');
+ if (Length(fn) = 0) then
+ begin
+ result := false;
+ end
+ else
+ begin
+ result := (fn[Length(fn)] = '/') or (fn[Length(fn)] = '\');
+ end;
end;
-function addWadExtension (fn: AnsiString): AnsiString;
+// strips extra trailing slashes in `path, and extra leading slashes in `fn`
+// will add slash to `path`, even if `fn` is empty!
+function filenameConcat (const path, fn: AnsiString): AnsiString;
+var
+ pos: Integer;
+begin
+ pos := 1;
+ while (pos <= Length(fn)) and ((fn[pos] = '/') or (fn[pos] = '\')) do Inc(pos);
+ result := path;
+ if (Length(result) > 0) and ((result[Length(result)] <> '/') and (result[Length(result)] <> '\')) then result += '/';
+ if (pos <= Length(fn)) then
+ begin
+ result += Copy(fn, pos, Length(fn)-pos+1);
+ //FIXME: make this faster!
+ while (Length(result) > 0) and ((result[Length(result)] = '/') or (result[Length(result)] = '\')) do
+ begin
+ Delete(result, Length(result), 1);
+ end;
+ if (fn[Length(fn)] = '/') or (fn[Length(fn)] = '\') then result += '/';
+ end;
+end;
+
+
+function hasWadExtension (const fn: AnsiString): Boolean;
+var
+ ext, newExt: AnsiString;
+begin
+ ext := getFilenameExt(fn);
+ result := true;
+ for newExt in wadExtensions do if (StrEquCI1251(ext, newExt)) then exit;
+ result := false;
+ //result := StrEquCI1251(ext, '.wad') or StrEquCI1251(ext, '.pk3') or StrEquCI1251(ext, '.zip') or StrEquCI1251(ext, '.dfz');
+end;
+
+
+function addWadExtension (const fn: AnsiString): AnsiString;
begin
result := fn;
if not hasWadExtension(result) then result := result+'.wad';
end;
-function isWadPath (fn: AnsiString): Boolean;
+function isWadData (data: Pointer; len: LongWord): Boolean;
+ var p: PChar;
+begin
+ p := PChar(data);
+ Result :=
+ (* ZIP *)
+ ((len > 3) and (p[0] = 'P') and (p[1] = 'K') and (p[2] = #03) and (p[3] = #04)) or
+ ((len > 3) and (p[0] = 'P') and (p[1] = 'K') and (p[2] = #05) and (p[3] = #06)) or
+ (* PACK *)
+ ((len > 3) and (p[0] = 'P') and (p[1] = 'A') and (p[2] = 'C') and (p[3] = 'K')) or
+ ((len > 3) and (p[0] = 'S') and (p[1] = 'P') and (p[2] = 'A') and (p[3] = 'K')) or
+ (* DFWAD *)
+ ((len > 5) and (p[0] = 'D') and (p[1] = 'F') and (p[2] = 'W') and (p[3] = 'A') and (p[4] = 'D') and (p[5] = #01))
+end;
+
+
+function isWadPath (const fn: AnsiString): Boolean;
var
- p: Integer;
- s: AnsiString;
+ pos: Integer;
+ s, wext: AnsiString;
begin
result := false;
- while true do
+ pos := 1;
+ while (pos <= Length(fn)) do
begin
- p := Pos(':', fn);
- if (p = 0) or (length(fn)-p < 1) then break;
- if (p-4 > 1) and (fn[p-4] = '.') and ((fn[p+1] = '\') or (fn[p+1] = '/')) then
+ if (fn[pos] = ':') then
begin
- s := Copy(fn, p-4, 4);
- if StrEquCI1251(s, '.wad') or StrEquCI1251(s, '.pk3') or StrEquCI1251(s, '.zip') then
+ if (Length(fn)-pos < 1) then break;
+ if (pos-4 > 1) and (fn[pos-4] = '.') and ((fn[pos+1] = '\') or (fn[pos+1] = '/')) then
begin
- result := true;
- exit;
+ s := Copy(fn, pos-4, 4);
+ for wext in wadExtensions do
+ begin
+ if strEquCI1251(s, wext) then
+ begin
+ result := true;
+ exit;
+ end;
+ end;
end;
end;
- Delete(fn, 1, p);
+ Inc(pos);
end;
end;
-function Int64ToStrComma (i: Int64): AnsiString;
+function int64ToStrComma (i: Int64): AnsiString;
var
f: Integer;
begin
end;
-function UpCase1251 (ch: AnsiChar): AnsiChar; inline;
+function upcase1251 (ch: AnsiChar): AnsiChar; inline;
begin
if ch < #128 then
begin
end;
-function LoCase1251 (ch: AnsiChar): AnsiChar; inline;
+function locase1251 (ch: AnsiChar): AnsiChar; inline;
begin
if ch < #128 then
begin
result := ch;
end;
+function IsValid1251 (ch: Word): Boolean;
+begin
+ result := wc2shitmap[ch] <> Invalid1251Char
+end;
+
+function IsPrintable1251 (ch: AnsiChar): Boolean;
+begin
+ result := (ch >= #32) and (ch <> #127) and (ch <> Invalid1251Char)
+end;
+
-function StrEquCI1251 (const s0, s1: AnsiString): Boolean;
+function strEquCI1251 (const s0, s1: AnsiString): Boolean;
var
i: Integer;
begin
const
uni2wint: array [128..255] of Word = (
$0402,$0403,$201A,$0453,$201E,$2026,$2020,$2021,$20AC,$2030,$0409,$2039,$040A,$040C,$040B,$040F,
- $0452,$2018,$2019,$201C,$201D,$2022,$2013,$2014,$003F,$2122,$0459,$203A,$045A,$045C,$045B,$045F,
+ $0452,$2018,$2019,$201C,$201D,$2022,$2013,$2014,InvalidUnicodeCodepoint,$2122,$0459,$203A,$045A,$045C,$045B,$045F,
$00A0,$040E,$045E,$0408,$00A4,$0490,$00A6,$00A7,$0401,$00A9,$0404,$00AB,$00AC,$00AD,$00AE,$0407,
$00B0,$00B1,$0406,$0456,$0491,$00B5,$00B6,$00B7,$0451,$2116,$0454,$00BB,$0458,$0405,$0455,$0457,
$0410,$0411,$0412,$0413,$0414,$0415,$0416,$0417,$0418,$0419,$041A,$041B,$041C,$041D,$041E,$041F,
);
-function decodeUtf8Char (s: AnsiString; var pos: Integer): char;
+function decodeUtf8Char (s: AnsiString; var pos: Integer): AnsiChar;
var
b, c: Integer;
begin
* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
*)
- result := '?';
+ result := Invalid1251Char;
if pos > length(s) then exit;
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;
// ////////////////////////////////////////////////////////////////////////// //
-// `pathname` will be modified if path is valid
-// `lastIsDir` should be `true` if we are searching for directory
-// nobody cares about shitdoze, so i'll use the same code path for it
+// findFileCI eats case-insensitive path, traverses it and rewrites it to a
+// case-sensetive. result value means success.
+// if file/dir not founded than pathname is in undefined state!
function findFileCI (var pathname: AnsiString; lastIsDir: Boolean=false): Boolean;
var
sr: TSearchRec;
if result then pathname := newname;
end;
+
function findFileCIStr (pathname: AnsiString): AnsiString;
begin
- result := pathname;
- findFileCI(result);
+ Result := pathname;
+ if findFileCI(Result) = False then
+ Result := pathname;
+end;
+
+
+function isWadNamesEqu (wna, wnb: AnsiString): Boolean;
+var
+ ext, newExt: AnsiString;
+ found: Boolean;
+begin
+ result := StrEquCI1251(wna, wnb);
+ if result then exit;
+ // check first ext
+ ext := getFilenameExt(wna);
+ found := false;
+ for newExt in wadExtensions do if (StrEquCI1251(ext, newExt)) then begin found := true; break; end;
+ if not found then exit;
+ // check second ext
+ ext := getFilenameExt(wnb);
+ found := false;
+ for newExt in wadExtensions do if (StrEquCI1251(ext, newExt)) then begin found := true; break; end;
+ if not found then exit;
+ wna := forceFilenameExt(wna, '');
+ wnb := forceFilenameExt(wnb, '');
+ result := StrEquCI1251(wna, wnb);
+end;
+
+function findDiskWad (fname: AnsiString): AnsiString;
+var
+ origExt: AnsiString = '';
+ newExt: AnsiString = '';
+begin
+ result := '';
+ //writeln('findDiskWad00: fname=<', fname, '>');
+ if (findFileCI(fname)) then begin result := fname; exit; end;
+ origExt := getFilenameExt(fname);
+ fname := forceFilenameExt(fname, '');
+ //writeln(' findDiskWad01: fname=<', fname, '>; origExt=<', origExt, '>');
+ for newExt in wadExtensions do
+ begin
+ //writeln(' findDiskWad02: fname=<', fname, '>; origExt=<', origExt, '>; newExt=<', newExt, '>');
+ if (StrEquCI1251(newExt, origExt)) then
+ begin
+ //writeln(' SKIP');
+ continue;
+ end;
+ result := fname+newExt;
+ if (findFileCI(result)) then exit;
+ end;
+ result := '';
end;
+
function openDiskFileRO (pathname: AnsiString): TStream;
begin
- if not findFileCI(pathname) then raise Exception.Create('can''t open file "'+pathname+'"');
+ if not findFileCI(pathname) then raise EFileNotFoundException.Create('can''t open file "'+pathname+'"');
result := TFileStream.Create(pathname, fmOpenRead or {fmShareDenyWrite}fmShareDenyNone);
end;
end;
+function openDiskFileRW (pathname: AnsiString): TStream;
+var
+ path: AnsiString;
+ oldname: AnsiString;
+begin
+ //writeln('*** TRYING R/W FILE "', pathname, '"');
+ path := ExtractFilePath(pathname);
+ if length(path) > 0 then
+ begin
+ if not findFileCI(path, true) then raise Exception.Create('can''t create file "'+pathname+'"');
+ end;
+ oldname := pathname;
+ if findFileCI(oldname) then
+ begin
+ //writeln('*** found old file "', oldname, '"');
+ result := TFileStream.Create(oldname, fmOpenReadWrite or fmShareDenyWrite);
+ end
+ else
+ begin
+ result := TFileStream.Create(path+ExtractFileName(pathname), fmCreate);
+ end;
+end;
+
+
procedure writeIntegerLE (st: TStream; vp: Pointer; size: Integer);
{$IFDEF ENDIAN_LITTLE}
begin
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;
@@ -797,6 +1462,31 @@ 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 EStreamError.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 EStreamError.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}
@@ -854,5 +1544,623 @@ function readLongIntBE (st: TStream): LongInt; begin readIntegerBE(st, @result,
function readInt64BE (st: TStream): Int64; begin readIntegerBE(st, @result, 8); end;
function readUInt64BE (st: TStream): UInt64; begin readIntegerBE(st, @result, 8); end;
-end.
+// ////////////////////////////////////////////////////////////////////////// //
+function nlerp (a, b: Integer; t: Single): Integer; inline; begin result := round((1.0 - t) * a + t * b); 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;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nmin (a, b: Extended): Extended; inline; overload; begin if (a < b) then result := a else result := b; end;
+{$ENDIF}
+
+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;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nmax (a, b: Extended): Extended; inline; overload; begin if (a > b) then result := a else result := b; end;
+{$ENDIF}
+
+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;
+{$IFDEF FPC_HAS_TYPE_EXTENDED}
+function nclamp (v, a, b: Extended): Extended; inline; overload; begin if (v < a) then result := a else if (v > b) then result := b else result := v; end;
+{$ENDIF}
+
+// ////////////////////////////////////////////////////////////////////////// //
+{$IFDEF WINDOWS}
+function snprintf (buf: PAnsiChar; bufsize: SizeUInt; const fmt: PAnsiChar): SizeUInt; cdecl; varargs; external 'msvcrt.dll' name '_snprintf';
+{$ELSE}
+function snprintf (buf: PAnsiChar; bufsize: SizeUInt; const fmt: PAnsiChar): SizeUInt; cdecl; varargs; external 'libc' name 'snprintf';
+{$ENDIF}
+
+
+(*
+procedure conwriter (constref buf; len: SizeUInt);
+var
+ ss: ShortString;
+ slen: Integer;
+ b: PByte;
+begin
+ if (len < 1) then exit;
+ b := PByte(@buf);
+ while (len > 0) do
+ begin
+ if (len > 255) then slen := 255 else slen := Integer(len);
+ Move(b^, ss[1], len);
+ ss[0] := AnsiChar(slen);
+ write(ss);
+ b += slen;
+ len -= slen;
+ end;
+end;
+*)
+
+
+function formatstrf (const fmt: AnsiString; const args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
+const
+ PadSpaces: AnsiString = ' ';
+ PadZeroes: AnsiString = '00000000000000000000000000000000000000000000000000000000000000000000000';
+var
+ curarg: Integer = 0; // current arg in `args`
+ sign, fmtch: AnsiChar;
+ zeropad: Boolean;
+ width, prec: Integer; // width and precision
+ spos, epos: Integer;
+ ch: AnsiChar;
+ strbuf: array[0..256] of AnsiChar;
+ strblen: SizeUInt;
+ fmtbuf: array[0..256] of AnsiChar;
+ fmtblen: Integer;
+ pclen: Integer;
+ pc: PAnsiChar;
+ ccname: ShortString;
+
+ procedure writer (constref buf; len: SizeUInt);
+ var
+ ss: ShortString;
+ slen: Integer;
+ b: PByte;
+ begin
+ if (len < 1) then exit;
+ b := PByte(@buf);
+ if assigned(writerCB) then
+ begin
+ writerCB(b^, len);
+ end
+ else
+ begin
+ while (len > 0) do
+ begin
+ if (len > 255) then slen := 255 else slen := Integer(len);
+ Move(b^, ss[1], slen);
+ ss[0] := AnsiChar(slen);
+ result += ss;
+ b += slen;
+ len -= slen;
+ end;
+ end;
+ end;
+
+ procedure xwrite (const s: AnsiString);
+ begin
+ if (Length(s) > 0) then writer(PAnsiChar(s)^, Length(s));
+ end;
+
+ procedure putFmtChar (ch: AnsiChar);
+ begin
+ fmtbuf[fmtblen] := ch;
+ Inc(fmtblen);
+ end;
+
+ procedure putFmtInt (n: Integer);
+ var
+ len: SizeUInt;
+ begin
+ len := snprintf(@fmtbuf[fmtblen], Length(fmtbuf)-fmtblen, '%d', n);
+ if (len > 0) then Inc(fmtblen, len);
+ end;
+
+ procedure buildCFormat (const pfx: AnsiString='');
+ var
+ f: Integer;
+ begin
+ fmtblen := 0;
+ for f := 1 to Length(pfx) do putFmtChar(pfx[f]);
+ putFmtChar('%');
+ if (sign <> ' ') then putFmtChar(sign);
+ if (width >= 0) then
+ begin
+ if (zeropad) then putFmtChar('0');
+ putFmtInt(width);
+ if (prec >= 0) then
+ begin
+ putFmtChar('.');
+ putFmtInt(prec);
+ end;
+ end;
+ putFmtChar(fmtch);
+ fmtbuf[fmtblen] := #0;
+ end;
+
+ procedure writeStrBuf ();
+ begin
+ if (strblen > 0) then writer(strbuf, strblen);
+ end;
+
+ function i642str (n: Int64; hex: Boolean; hexup: Boolean): PAnsiChar;
+ var
+ neg: Boolean;
+ xpos: Integer;
+ begin
+ if (n = $8000000000000000) then
+ begin
+ if hex then snprintf(@strbuf[0], Length(strbuf), '-8000000000000000')
+ else snprintf(@strbuf[0], Length(strbuf), '-9223372036854775808');
+ result := @strbuf[0];
+ end
+ else
+ begin
+ neg := (n < 0);
+ if neg then n := -n;
+ xpos := High(strbuf);
+ strbuf[xpos] := #0; Dec(xpos);
+ repeat
+ if not hex then
+ begin
+ strbuf[xpos] := AnsiChar((n mod 10)+48);
+ Dec(xpos);
+ n := n div 10;
+ end
+ else
+ begin
+ if (n mod 16 > 9) then
+ begin
+ strbuf[xpos] := AnsiChar((n mod 16)+48+7);
+ if not hexup then Inc(strbuf[xpos], 32);
+ end
+ else strbuf[xpos] := AnsiChar((n mod 16)+48);
+ Dec(xpos);
+ n := n div 16;
+ end;
+ until (n = 0);
+ if neg then begin strbuf[xpos] := '-'; Dec(xpos); end;
+ result := @strbuf[xpos+1];
+ end;
+ end;
+
+ function ui642str (n: UInt64; hex: Boolean; hexup: Boolean): PAnsiChar;
+ var
+ xpos: Integer;
+ begin
+ xpos := High(strbuf);
+ strbuf[xpos] := #0; Dec(xpos);
+ repeat
+ if not hex then
+ begin
+ strbuf[xpos] := AnsiChar((n mod 10)+48);
+ Dec(xpos);
+ n := n div 10;
+ end
+ else
+ begin
+ if (n mod 16 > 9) then
+ begin
+ strbuf[xpos] := AnsiChar((n mod 16)+48+7);
+ if not hexup then Inc(strbuf[xpos], 32);
+ end
+ else strbuf[xpos] := AnsiChar((n mod 16)+48);
+ Dec(xpos);
+ n := n div 16;
+ end;
+ until (n = 0);
+ result := @strbuf[xpos+1];
+ end;
+
+ procedure indent (len: Integer);
+ var
+ ilen: Integer;
+ begin
+ while (len > 0) do
+ begin
+ if (len > Length(PadSpaces)) then ilen := Length(PadSpaces) else ilen := len;
+ writer(PAnsiChar(PadSpaces)^, ilen);
+ Dec(len, ilen);
+ end;
+ end;
+
+ procedure indent0 (len: Integer);
+ var
+ ilen: Integer;
+ begin
+ while (len > 0) do
+ begin
+ if (len > Length(PadZeroes)) then ilen := Length(PadZeroes) else ilen := len;
+ writer(PAnsiChar(PadZeroes)^, ilen);
+ Dec(len, ilen);
+ end;
+ end;
+
+begin
+ result := '';
+ spos := 1;
+ while (spos <= Length(fmt)) do
+ begin
+ // print literal part
+ epos := spos;
+ while (epos <= Length(fmt)) and (fmt[epos] <> '%') do Inc(epos);
+ // output literal part
+ if (epos > spos) then
+ begin
+ if (epos > Length(fmt)) then
+ begin
+ writer((PAnsiChar(fmt)+spos-1)^, epos-spos);
+ break;
+ end;
+ if (epos+1 > Length(fmt)) then Inc(epos) // last percent, output literally
+ else if (fmt[epos+1] = '%') then // special case
+ begin
+ Inc(epos);
+ writer((PAnsiChar(fmt)+spos-1)^, epos-spos);
+ spos := epos+1;
+ end
+ else
+ begin
+ writer((PAnsiChar(fmt)+spos-1)^, epos-spos);
+ spos := epos;
+ end;
+ continue;
+ end;
+ // check if we have argument for this format string
+ if (curarg > High(args)) then
+ begin
+ xwrite('<OUT OF ARGS>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ // skip percent
+ if (spos+1 > Length(fmt)) then break; // oops
+ assert(fmt[spos] = '%');
+ Inc(spos);
+ // parse format; check for sign
+ if (fmt[spos] = '-') then begin sign := '-'; Inc(spos); end
+ else if (fmt[spos] = '+') then begin sign := '+'; Inc(spos); end
+ else sign := ' ';
+ // parse width
+ if (spos > Length(fmt)) then begin xwrite('<INVALID FORMAT>'); break; end;
+ if (sign <> ' ') or ((fmt[spos] >= '0') and (fmt[spos] <= '9')) then
+ begin
+ if (fmt[spos] < '0') or (fmt[spos] > '9') then begin xwrite('<INVALID FORMAT>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ zeropad := (fmt[spos] = '0');
+ width := 0;
+ while (spos <= Length(fmt)) do
+ begin
+ ch := fmt[spos];
+ if (ch < '0') or (ch > '9') then break;
+ width := width*10+Integer(ch)-48;
+ Inc(spos);
+ end;
+ end
+ else
+ begin
+ width := -1;
+ zeropad := false;
+ end;
+ // parse precision
+ prec := -1;
+ if (spos <= Length(fmt)) and (fmt[spos] = '.') then
+ begin
+ Inc(spos);
+ if (spos > Length(fmt)) then begin xwrite('<INVALID FORMAT>'); break; end;
+ if (fmt[spos] < '0') or (fmt[spos] > '9') then begin xwrite('<INVALID FORMAT>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ prec := 0;
+ while (spos <= Length(fmt)) do
+ begin
+ ch := fmt[spos];
+ if (ch < '0') or (ch > '9') then break;
+ prec := prec*10+Integer(ch)-48;
+ Inc(spos);
+ end;
+ end;
+ // get format char
+ if (spos > Length(fmt)) then begin xwrite('<INVALID FORMAT>'); break; end;
+ fmtch := fmt[spos];
+ Inc(spos);
+ // done parsing format, check for valid format chars
+ if not (fmtch in ['s','u','d','x','X','p','f','g','c']) then begin xwrite('<INVALID FORMAT CHAR>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ // now write formatted string
+ case args[curarg].VType of
+ vtInteger: // args[curarg].VInteger
+ begin
+ if not (fmtch in ['s','u','d','x','X']) then begin xwrite('<INVALID FORMAT CHAR>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ if (fmtch = 's') then fmtch := 'd';
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], args[curarg].VInteger);
+ writeStrBuf();
+ end;
+ vtBoolean: // args[curarg].VBoolean
+ case fmtch of
+ 's':
+ begin
+ buildCFormat();
+ if args[curarg].VBoolean then strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], 'true')
+ else strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], 'false');
+ writeStrBuf();
+ end;
+ 'c':
+ begin
+ buildCFormat();
+ if args[curarg].VBoolean then strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], AnsiChar('t'))
+ else strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], AnsiChar('f'));
+ writeStrBuf();
+ end;
+ 'u', 'd', 'x', 'X':
+ begin
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], Integer(args[curarg].VBoolean));
+ writeStrBuf();
+ end;
+ else
+ begin
+ xwrite('<INVALID FORMAT CHAR>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ end;
+ vtChar: // args[curarg].VChar
+ case fmtch of
+ 's', 'c':
+ begin
+ fmtch := 'c';
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], args[curarg].VChar);
+ writeStrBuf();
+ end;
+ 'u', 'd', 'x', 'X':
+ begin
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], Integer(args[curarg].VChar));
+ writeStrBuf();
+ end;
+ else
+ begin
+ xwrite('<INVALID FORMAT CHAR>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ end;
+ //vtWideChar: begin end; // args[curarg].VWideChar (WideChar)
+ vtExtended: // args[curarg].VExtended^
+ case fmtch of
+ 's', 'g':
+ begin
+ fmtch := 'g';
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], Double(args[curarg].VExtended^));
+ writeStrBuf();
+ end;
+ 'f':
+ begin
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], Double(args[curarg].VExtended^));
+ writeStrBuf();
+ end;
+ 'd':
+ begin
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], Integer(trunc(args[curarg].VExtended^)));
+ writeStrBuf();
+ end;
+ 'u', 'x', 'X':
+ begin
+ buildCFormat();
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], LongWord(trunc(args[curarg].VExtended^)));
+ writeStrBuf();
+ end;
+ else
+ begin
+ xwrite('<INVALID FORMAT CHAR>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ end;
+ vtString: // args[curarg].VString^ (PShortString)
+ begin
+ if (sign <> '-') then indent(width-Length(args[curarg].VString^));
+ writer(args[curarg].VString^[1], Length(args[curarg].VString^));
+ if (sign = '-') then indent(width-Length(args[curarg].VString^));
+ end;
+ vtPointer: // args[curarg].VPointer
+ case fmtch of
+ 's':
+ begin
+ fmtch := 'x';
+ if (width < 8) then width := 8;
+ zeropad := true;
+ buildCFormat('0x');
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], PtrUInt(args[curarg].VPointer));
+ writeStrBuf();
+ end;
+ 'u', 'd', 'x', 'p', 'X':
+ begin
+ if (fmtch = 'p') then fmtch := 'x';
+ if (width < 8) then width := 8;
+ zeropad := true;
+ buildCFormat('0x');
+ strblen := snprintf(@strbuf[0], Length(strbuf), @fmtbuf[0], PtrUInt(args[curarg].VPointer));
+ writeStrBuf();
+ end;
+ else
+ begin
+ xwrite('<INVALID FORMAT CHAR>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ end;
+ vtPChar: // args[curarg].VPChar
+ if (args[curarg].VPChar = nil) then
+ begin
+ if (sign <> '-') then indent(width-3);
+ xwrite('nil');
+ if (sign = '-') then indent(width-3);
+ end
+ else
+ begin
+ pclen := 0;
+ while (args[curarg].VPChar[pclen] <> #0) do Inc(pclen);
+ if (sign <> '-') then indent(width-pclen);
+ writer(args[curarg].VPChar^, pclen);
+ if (sign = '-') then indent(width-pclen);
+ end;
+ vtObject: // args[curarg].VObject.Classname (TObject)
+ begin
+ if (args[curarg].VObject <> nil) then ccname := args[curarg].VObject.Classname else ccname := '<nil>';
+ if (sign <> '-') then indent(width-Length(ccname));
+ xwrite(ccname);
+ if (sign = '-') then indent(width-Length(ccname));
+ end;
+ vtClass: // args[curarg].VClass.Classname (TClass)
+ begin
+ if (args[curarg].VClass <> nil) then ccname := args[curarg].VClass.Classname else ccname := '<nil>';
+ if (sign <> '-') then indent(width-Length(ccname));
+ xwrite(ccname);
+ if (sign = '-') then indent(width-Length(ccname));
+ end;
+ //vtPWideChar: begin end; // args[curarg].VPWideChar (PWideChar)
+ vtAnsiString: // AnsiString(args[curarg].VAnsiString) (Pointer)
+ begin
+ if (sign <> '-') then indent(width-Length(AnsiString(args[curarg].VAnsiString)));
+ xwrite(AnsiString(args[curarg].VAnsiString));
+ if (sign = '-') then indent(width-Length(AnsiString(args[curarg].VAnsiString)));
+ end;
+ //vtCurrency: begin end; // args[curarg].VCurrency (PCurrency)
+ //vtVariant: begin end; // args[curarg].VVariant^ (PVariant)
+ //vtInterface: begin end; // args[curarg].VInterface (Pointer);
+ //vtWideString: begin end; // args[curarg].VWideString (Pointer);
+ vtInt64: // args[curarg].VInt64^ (PInt64)
+ begin
+ case fmtch of
+ 's','d','u': pc := i642str(args[curarg].VInt64^, false, false);
+ 'x': pc := i642str(args[curarg].VInt64^, true, false);
+ 'X': pc := i642str(args[curarg].VInt64^, true, true);
+ else begin xwrite('<INVALID FORMAT CHAR>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ end;
+ pclen := 0;
+ while (pc[pclen] <> #0) do Inc(pclen);
+ if (sign <> '-') and (width > pclen) then
+ begin
+ if zeropad then
+ begin
+ if (pc[0] = '-') or (pc[0] = '+') then
+ begin
+ writer(pc^, 1);
+ indent0(width-pclen-1);
+ Inc(pc);
+ Dec(pclen);
+ end
+ else
+ begin
+ indent0(width-pclen);
+ end;
+ end
+ else
+ begin
+ indent(width-pclen);
+ end;
+ end;
+ writer(pc^, pclen);
+ if (sign = '-') then indent(width-pclen);
+ end;
+ vtQWord: // args[curarg].VQWord^ (PQWord)
+ begin
+ case fmtch of
+ 's','d','u': pc := ui642str(args[curarg].VInt64^, false, false);
+ 'x': pc := ui642str(args[curarg].VInt64^, true, false);
+ 'X': pc := ui642str(args[curarg].VInt64^, true, true);
+ else begin xwrite('<INVALID FORMAT CHAR>'); writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1); break; end;
+ end;
+ pclen := 0;
+ while (pc[pclen] <> #0) do Inc(pclen);
+ if (sign <> '-') then begin if zeropad then indent0(width-pclen) else indent(width-pclen); end;
+ writer(pc^, pclen);
+ if (sign = '-') then indent(width-pclen);
+ end;
+ else
+ begin
+ xwrite('<INVALID TYPE>');
+ writer((PAnsiChar(fmt)+spos-1)^, Length(fmt)-spos+1);
+ break;
+ end;
+ end;
+ Inc(curarg);
+ end;
+end;
+
+
+function GetDiskFileInfo (fname: AnsiString; var info: TDiskFileInfo): Boolean;
+var
+ age: LongInt;
+ size: LongInt;
+ handle: THandle;
+begin
+ result := false;
+ if (length(fname) = 0) then exit;
+ if not findFileCI(fname) then exit;
+ // get age
+ age := FileAge(fname);
+ if (age = -1) then exit;
+ // get size
+ handle := FileOpen(fname, fmOpenRead or fmShareDenyNone);
+ if (handle = THandle(-1)) then exit;
+ size := FileSeek(handle, 0, fsFromEnd);
+ FileClose(handle);
+ if (size = -1) then exit;
+ // fill info
+ info.diskName := fname;
+ info.size := size;
+ info.age := age;
+ result := true;
+end;
+
+
+(*
+var
+ ss: ShortString;
+ ls: AnsiString;
+ i64: Int64 = -$A000000000;
+ ui64: UInt64 = $A000000000;
+begin
+ writef(conwriter, 'test int:<%s> bool:<%s:%02d:%c> bool:<%s:%02d:%c>; char:<%2s;%c;%d>!'#10, [42, true, true, true, false, false, false, 'A', 'A', 'A']);
+ writef(conwriter, 'test float:<%s;%u;%f;%g>'#10, [666.6942, 666.6942, 666.6942, 666.6942]);
+ ss := 'fuckit';
+ ls := 'FUCKIT';
+ writef(conwriter, 'test ss:<%5s;%040s>'#10, [ss, ss]);
+ writef(conwriter, 'test ls:<%5s;%040s>'#10, [ls, ls]);
+ writef(conwriter, 'test pointer:<%s;%x;%p>'#10, [@ss, @ss, @ss]);
+ writef(conwriter, 'test i64:<%s;%x;%015d;%u;%X>'#10, [i64, i64, i64, i64, i64]);
+ writef(conwriter, 'test ui64:<%s;%x;%15d;%015u;%X>'#10, [ui64, ui64, ui64, ui64, ui64]);
+*)
+end.