X-Git-Url: http://deadsoftware.ru/gitweb?p=d2df-sdl.git;a=blobdiff_plain;f=src%2Fsfs%2Fsfs.pas;h=157fbac3c2ccb3d20d5a811fecc34e9a1b6ea142;hp=69e4368573d2546f6ddbaaceff5da34d34ae5fbf;hb=844441154d1220d6c83f75043300c2851ec87109;hpb=56fe3537337bec115cae2b73922752488ff298a4 diff --git a/src/sfs/sfs.pas b/src/sfs/sfs.pas index 69e4368..157fbac 100644 --- a/src/sfs/sfs.pas +++ b/src/sfs/sfs.pas @@ -208,22 +208,12 @@ procedure sfsGCEnable (); // for completeness sake procedure sfsGCCollect (); - function SFSReplacePathDelims (const s: TSFSString; newDelim: TSFSChar): TSFSString; -// èãíîðèðóåò ðåãèñòð ñèìâîëîâ -function SFSStrEqu (const s0, s1: TSFSString): Boolean; // ðàçîáðàòü òîëñòîå èìÿ ôàéëà, âåðíóòü âèðòóàëüíîå èìÿ ïîñëåäíåãî ñïèñêà // èëè ïóñòóþ ñòîðîêó, åñëè ñïèñêîâ íå áûëî. function SFSGetLastVirtualName (const fn: TSFSString): string; -// ïðåîáðàçîâàòü ÷èñëî â ñòðîêó, êðàñèâî ðàçáàâëÿÿ çàïÿòûìè -function Int64ToStrComma (i: Int64): string; - -// `name` will be modified -// return `true` if file was found -function sfsFindFileCI (path: string; var name: string): Boolean; - // Wildcard matching // this code is meant to allow wildcard pattern matches. tt is VERY useful // for matching filename wildcard patterns. tt allows unix grep-like pattern @@ -244,10 +234,6 @@ function WildMatch (pattern, text: TSFSString): Boolean; function WildListMatch (wildList, text: TSFSString; delimChar: AnsiChar=':'): Integer; function HasWildcards (const pattern: TSFSString): Boolean; -function SFSUpCase (ch: Char): Char; - -function utf8to1251 (s: TSFSString): TSFSString; - var // ïðàâäà: ðàçðåøåíî èñêàòü ôàéëî íå òîëüêî â ôàéëàõ äàííûõ, íî è íà äèñêå. @@ -268,47 +254,7 @@ var implementation uses - xstreams; - - -function Int64ToStrComma (i: Int64): string; -var - f: Integer; -begin - Str(i, result); - f := Length(result)+1; - while f > 4 do - begin - Dec(f, 3); Insert(',', result, f); - end; -end; - - -// `name` will be modified -function sfsFindFileCI (path: string; var name: string): Boolean; -var - sr: TSearchRec; - bestname: string = ''; -begin - if length(path) = 0 then path := '.'; - while (length(path) > 0) and (path[length(path)] = '/') do Delete(path, length(path), 1); - if (length(path) = 0) or (path[length(path)] <> '/') then path := path+'/'; - if FileExists(path+name) then begin result := true; exit; end; - if FindFirst(path+'*', faAnyFile, sr) = 0 then - repeat - if (sr.name = '.') or (sr.name = '..') then continue; - if (sr.attr and faDirectory) <> 0 then continue; - if sr.name = name then - begin - FindClose(sr); - result := true; - exit; - end; - if (length(bestname) = 0) and SFSStrEqu(sr.name, name) then bestname := sr.name; - until FindNext(sr) <> 0; - FindClose(sr); - if length(bestname) > 0 then begin result := true; name := bestname; end else result := false; -end; + xstreams, utils; const @@ -624,7 +570,7 @@ begin vi := TVolumeInfo(volumes[f]); if not onlyPerm or vi.fPermanent then begin - if SFSStrEqu(vi.fPackName, dataFileName) then + if StrEquCI1251(vi.fPackName, dataFileName) then begin result := f; exit; @@ -651,42 +597,6 @@ begin end; end; -function SFSUpCase (ch: Char): Char; -begin - if ch < #128 then - begin - if (ch >= 'a') and (ch <= 'z') then Dec(ch, 32); - end - else - begin - if (ch >= #224) and (ch <= #255) then - begin - Dec(ch, 32); - end - else - begin - case ch of - #184, #186, #191: Dec(ch, 16); - #162, #179: Dec(ch); - end; - end; - end; - result := ch; -end; - -function SFSStrEqu (const s0, s1: TSFSString): Boolean; -var - i: Integer; -begin - //result := (AnsiCompareText(s0, s1) == 0); - result := false; - if length(s0) <> length(s1) then exit; - for i := 1 to length(s0) do - begin - if SFSUpCase(s0[i]) <> SFSUpCase(s1[i]) then exit; - end; - result := true; -end; // adds '/' too function normalizePath (fn: string): string; @@ -901,8 +811,8 @@ begin Dec(result); if fFiles[result] <> nil then begin - if SFSStrEqu(fPath, TSFSFileInfo(fFiles[result]).fPath) and - SFSStrEqu(fName, TSFSFileInfo(fFiles[result]).fName) then exit; + if StrEquCI1251(fPath, TSFSFileInfo(fFiles[result]).fPath) and + StrEquCI1251(fName, TSFSFileInfo(fFiles[result]).fName) then exit; end; end; result := -1; @@ -1353,124 +1263,6 @@ begin end; -// ////////////////////////////////////////////////////////////////////////// // -// utils -// `ch`: utf8 start -// -1: invalid utf8 -function utf8CodeLen (ch: Word): Integer; -begin - if ch < $80 then begin result := 1; exit; end; - if (ch and $FE) = $FC then begin result := 6; exit; end; - if (ch and $FC) = $F8 then begin result := 5; exit; end; - if (ch and $F8) = $F0 then begin result := 4; exit; end; - if (ch and $F0) = $E0 then begin result := 3; exit; end; - if (ch and $E0) = $C0 then begin result := 2; exit; end; - result := -1; // invalid -end; - - -function utf8Valid (s: string): Boolean; -var - pos, len: Integer; -begin - result := false; - pos := 1; - while pos <= length(s) do - begin - len := utf8CodeLen(Byte(s[pos])); - if len < 1 then exit; // invalid sequence start - if pos+len-1 > length(s) then exit; // out of chars in string - Dec(len); - Inc(pos); - // check other sequence bytes - while len > 0 do - begin - if (Byte(s[pos]) and $C0) <> $80 then exit; - Dec(len); - Inc(pos); - end; - end; - result := true; -end; - - -// ////////////////////////////////////////////////////////////////////////// // -const - // TODO: move this to a separate file - 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, - $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, - $0420,$0421,$0422,$0423,$0424,$0425,$0426,$0427,$0428,$0429,$042A,$042B,$042C,$042D,$042E,$042F, - $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 - ); - - -function decodeUtf8Char (s: TSFSString; var pos: Integer): char; -var - b, c: Integer; -begin - (* The following encodings are valid, except for the 5 and 6 byte - * combinations: - * 0xxxxxxx - * 110xxxxx 10xxxxxx - * 1110xxxx 10xxxxxx 10xxxxxx - * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - * 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - * 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - *) - result := '?'; - if pos > length(s) then exit; - - b := Byte(s[pos]); - Inc(pos); - if b < $80 then begin result := char(b); exit; end; - - // mask out unused bits - if (b and $FE) = $FC then b := b and $01 - else if (b and $FC) = $F8 then b := b and $03 - else if (b and $F8) = $F0 then b := b and $07 - else if (b and $F0) = $E0 then b := b and $0F - else if (b and $E0) = $C0 then b := b and $1F - else exit; // invalid utf8 - - // now continue - while pos <= length(s) do - begin - c := Byte(s[pos]); - if (c and $C0) <> $80 then break; // no more - b := b shl 6; - b := b or (c and $3F); - Inc(pos); - end; - - // done, try 1251 - for c := 128 to 255 do if uni2wint[c] = b then begin result := char(c and $FF); exit; end; - // alas -end; - - -function utf8to1251 (s: TSFSString): TSFSString; -var - pos: Integer; -begin - if not utf8Valid(s) then begin result := s; exit; end; - pos := 1; - while pos <= length(s) do - begin - if Byte(s[pos]) >= $80 then break; - Inc(pos); - end; - if pos > length(s) then begin result := s; exit; end; // nothing to do here - result := ''; - pos := 1; - while pos <= length(s) do result := result+decodeUtf8Char(s, pos); -end; - - initialization factories := TObjectList.Create(true); volumes := TObjectList.Create(true);