diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index a854ca45bc922f155465ed98a32daad0710ced8c..20706c661dae397f8a0b4914ab00e9caa765a252 100644 (file)
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
interface
uses
- SysUtils, Classes;
+ SysUtils, Classes, md5;
// ////////////////////////////////////////////////////////////////////////// //
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;
// they throws
function openDiskFileRO (pathname: AnsiString): TStream;
function createDiskFile (pathname: AnsiString): TStream;
+// creates file if necessary
+function openDiskFileRW (pathname: AnsiString): TStream;
// little endian
procedure writeSign (st: TStream; const sign: AnsiString);
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;
+const wadExtensions: array [0..6] of AnsiString = (
+ '.dfz',
+ '.wad',
+ '.dfwad',
+ '.pk3',
+ '.pak',
+ '.zip',
+ '.dfzip'
+);
+
// ////////////////////////////////////////////////////////////////////////// //
procedure CopyMemory (Dest: Pointer; Src: Pointer; Len: LongWord); inline;
function hasWadExtension (const fn: AnsiString): Boolean;
var
- ext: AnsiString;
+ ext, newExt: AnsiString;
begin
ext := getFilenameExt(fn);
- result := StrEquCI1251(ext, '.wad') or StrEquCI1251(ext, '.pk3') or StrEquCI1251(ext, '.zip') or StrEquCI1251(ext, '.dfz');
+ 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;
if not hasWadExtension(result) then result := result+'.wad';
end;
+
function isWadData (data: Pointer; len: LongWord): Boolean;
var p: PChar;
begin
result := ch;
end;
+function IsValid1251 (ch: Word): Boolean;
+begin
+ result := (ch = Ord('?')) or (wc2shitmap[ch] <> '?')
+end;
+
+function IsPrintable1251 (ch: AnsiChar): Boolean;
+begin
+ result := (ch >= #32) and (ch <> #127)
+end;
+
function strEquCI1251 (const s0, s1: AnsiString): Boolean;
var
end;
-const fileExtensions: array [0..6] of AnsiString = ('.dfz', '.wad', '.dfwad', '.pk3', '.pak', '.zip', '.dfzip');
-
function isWadNamesEqu (wna, wnb: AnsiString): Boolean;
var
ext, newExt: AnsiString;
// check first ext
ext := getFilenameExt(wna);
found := false;
- for newExt in fileExtensions do if (StrEquCI1251(ext, newExt)) then begin found := true; break; end;
+ 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 fileExtensions do if (StrEquCI1251(ext, newExt)) then begin found := true; break; end;
+ 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, '');
origExt := getFilenameExt(fname);
fname := forceFilenameExt(fname, '');
//writeln(' findDiskWad01: fname=<', fname, '>; origExt=<', origExt, '>');
- for newExt in fileExtensions do
+ for newExt in wadExtensions do
begin
//writeln(' findDiskWad02: fname=<', fname, '>; origExt=<', origExt, '>; newExt=<', newExt, '>');
if (StrEquCI1251(newExt, origExt)) then
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;
+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;