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codetools: directorycacher: cache attr and size

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git-svn-id: trunk@30988 -
This commit is contained in:
mattias 2011-05-31 16:37:55 +00:00
parent ced61b53b4
commit 58a979dfaf
1 changed files with 145 additions and 17 deletions
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162
components/codetools/directorycacher.pas
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@ -105,13 +105,24 @@ type
TCTDirectoryListingTime = longint;
PCTDirectoryListingTime = ^TCTDirectoryListingTime;
TCTDirectoryListingAttr = longint;
PCTDirectoryListingAttr = ^TCTDirectoryListingAttr;
TCTDirectoryListingSize = int64;
PCTDirectoryListingSize = ^TCTDirectoryListingSize;
TCTDirectoryListingHeader = packed record
Time: TCTDirectoryListingTime;
Attr: TCTDirectoryListingAttr;
Size: TCTDirectoryListingSize;
end;
PCTDirectoryListingHeader = ^TCTDirectoryListingHeader;
{ TCTDirectoryListing }
TCTDirectoryListing = class
public
FileTimeStamp: integer;
Files: PChar; { all filenames: each: time:TCTDirectoryListingTime+filename+#0
Files: PChar; { all filenames: each: time:TCTDirectoryListingHeader+filename+#0
sorted: first case insensitive then sensitive }
Count: integer; // number of filenames
Size: PtrInt; // length of Names in bytes
@ -121,6 +132,8 @@ type
function CalcMemSize: PtrUInt;
function GetFilename(Index: integer): PChar;
function GetTime(Index: integer): TCTDirectoryListingTime;
function GetAttr(Index: integer): TCTDirectoryListingAttr;
function GetSize(Index: integer): TCTDirectoryListingSize;
end;
TCTOnIterateFile = procedure(const Filename: string) of object;
@ -162,6 +175,8 @@ type
function FindFile(const ShortFilename: string;
const FileCase: TCTSearchFileCase): string;
function FileAge(const ShortFilename: string): TCTDirectoryListingTime;
function FileAttr(const ShortFilename: string): TCTDirectoryListingAttr;
function FileSize(const ShortFilename: string): TCTDirectoryListingSize;
function FindUnitSource(const AUnitName: string; AnyCase: boolean): string;
function FindUnitSourceInCleanSearchPath(const AUnitName,
SearchPath: string; AnyCase: boolean): string;
@ -219,6 +234,8 @@ type
procedure IncreaseConfigTimeStamp; inline;
function FileExists(Filename: string): boolean;
function FileAge(Filename: string): TCTDirectoryListingTime;
function FileAttr(Filename: string): TCTDirectoryListingAttr;
function FileSize(Filename: string): TCTDirectoryListingSize;
function FindUnitInUnitLinks(const Directory, AUnitName: string): string;
function FindUnitInUnitSet(const Directory, AUnitName: string): string;
function FindCompiledUnitInUnitSet(const Directory, AUnitName: string): string;
@ -268,10 +285,12 @@ function CompareUnitNameWithUnitLinkNode(AUnitName: Pointer;
implementation
const
NameOffset = SizeOf(TCTDirectoryListingHeader);
type
TWorkFileInfo = record
Header: TCTDirectoryListingHeader;
FileName: string;
Time: TCTDirectoryListingTime;
end;
PWorkFileInfo = ^TWorkFileInfo;
PPWorkFileInfo = ^PWorkFileInfo;
@ -562,14 +581,16 @@ begin
if WorkingListingCapacity>0 then
NewCapacity:=WorkingListingCapacity*2
else
NewCapacity:=8;
NewCapacity:=64;
ReAllocMem(WorkingListing,SizeOf(TWorkFileInfo)*NewCapacity);
FillChar(WorkingListing[WorkingListingCount],
SizeOf(TWorkFileInfo)*(NewCapacity-WorkingListingCapacity),0);
WorkingListingCapacity:=NewCapacity;
end;
WorkingItem:=@WorkingListing[WorkingListingCount];
WorkingItem^.Time:=FileInfo.Time;
WorkingItem^.Header.Time:=FileInfo.Time;
WorkingItem^.Header.Attr:=FileInfo.Attr;
WorkingItem^.Header.Size:=FileInfo.Size;
WorkingItem^.FileName:=FileInfo.Name;
inc(WorkingListingCount);
until FindNextUTF8(FileInfo)<>0;
@ -587,7 +608,7 @@ begin
// create listing
TotalLen:=0;
for i:=0 to WorkingListingCount-1 do
inc(TotalLen,length(WorkingListing[i].FileName)+1+SizeOf(TCTDirectoryListingTime));
inc(TotalLen,length(WorkingListing[i].FileName)+1+SizeOf(TCTDirectoryListingHeader));
GetMem(FListing.Files,TotalLen);
FListing.Size:=TotalLen;
FListing.Count:=WorkingListingCount;
@ -596,9 +617,8 @@ begin
for i:=0 to WorkingListingCount-1 do begin
FListing.Starts[i]:=p-FListing.Files;
WorkingItem:=SortMap[i];
// time
PCTDirectoryListingTime(p)^:=WorkingItem^.Time;
inc(p,SizeOf(TCTDirectoryListingTime));
PCTDirectoryListingHeader(p)^:=WorkingItem^.Header;
inc(p,SizeOf(TCTDirectoryListingHeader));
// filename
CurFilenameLen:=length(WorkingItem^.FileName);
if CurFilenameLen>0 then begin
@ -758,7 +778,7 @@ begin
r:=FListing.Count-1;
while r>=l do begin
m:=(l+r) shr 1;
CurFilename:=@Files[FListing.Starts[m]+SizeOf(TCTDirectoryListingTime)];
CurFilename:=@Files[FListing.Starts[m]+NameOffset];
cmp:=ComparePCharCaseInsensitive(ShortFilename,CurFilename);// pointer type cast avoids #0 check
if cmp>0 then
l:=m+1
@ -789,7 +809,7 @@ begin
r:=FListing.Count-1;
while r>=l do begin
m:=(l+r) shr 1;
CurFilename:=@Files[FListing.Starts[m]+SizeOf(TCTDirectoryListingTime)];
CurFilename:=@Files[FListing.Starts[m]+NameOffset];
cmp:=ComparePCharFirstCaseInsThenCase(ShortFilename,CurFilename);// pointer type cast avoids #0 check
if cmp>0 then
l:=m+1
@ -920,10 +940,48 @@ begin
Result:=FListing.GetTime(i);
end;
function TCTDirectoryCache.FileAttr(const ShortFilename: string
): TCTDirectoryListingAttr;
var
i: Integer;
begin
Result:=0;
if ShortFilename='' then exit;
if Directory='' then begin
// this is a virtual directory
exit;
end;
{$IFDEF CaseInsensitiveFilenames}
i:=IndexOfFileCaseInsensitive(Pointer(ShortFilename));// pointer type cast avoids #0 check
{$ELSE}
i:=IndexOfFileCaseSensitive(Pointer(ShortFilename));
{$ENDIF}
if i>=0 then
Result:=FListing.GetAttr(i);
end;
function TCTDirectoryCache.FileSize(const ShortFilename: string
): TCTDirectoryListingSize;
var
i: Integer;
begin
Result:=-1;
if ShortFilename='' then exit;
if Directory='' then begin
// this is a virtual directory
exit;
end;
{$IFDEF CaseInsensitiveFilenames}
i:=IndexOfFileCaseInsensitive(Pointer(ShortFilename));// pointer type cast avoids #0 check
{$ELSE}
i:=IndexOfFileCaseSensitive(Pointer(ShortFilename));
{$ENDIF}
if i>=0 then
Result:=FListing.GetSize(i);
end;
function TCTDirectoryCache.FindUnitSource(const AUnitName: string;
AnyCase: boolean): string;
const
NameOffset = SizeOf(TCTDirectoryListingTime);
var
l: Integer;
r: Integer;
@ -1234,7 +1292,7 @@ var
begin
writeln('TCTDirectoryCache.WriteListing Count=',FListing.Count,' Size=',FListing.Size);
for i:=0 to FListing.Count-1 do begin
Filename:=@FListing.Files[FListing.Starts[i]+SizeOf(TCTDirectoryListingTime)];
Filename:=@FListing.Files[FListing.Starts[i]+NameOffset];
writeln(i,' "',Filename,'"');
end;
end;
@ -1255,7 +1313,7 @@ begin
UpdateListing;
ListedFiles:=FListing.Files;
for i:=0 to FListing.Count-1 do
Files.Add(PChar(@ListedFiles[FListing.Starts[i]+SizeOf(TCTDirectoryListingTime)]));
Files.Add(PChar(@ListedFiles[FListing.Starts[i]+NameOffset]));
end;
{ TCTDirectoryCachePool }
@ -1413,6 +1471,50 @@ begin
Result:=FileStateCache.FileAgeCached(Filename);
end;
function TCTDirectoryCachePool.FileAttr(Filename: string
): TCTDirectoryListingAttr;
var
Directory: String;
Cache: TCTDirectoryCache;
ShortFilename: String;
begin
Filename:=TrimFilename(Filename);
if (Filename<>'') and FilenameIsAbsolute(Filename) then begin
ShortFilename:=ExtractFilename(Filename);
if (ShortFilename<>'') and (ShortFilename<>'.') and (ShortFilename<>'..')
then begin
Directory:=ExtractFilePath(Filename);
Cache:=GetCache(Directory,true,false);
Result:=Cache.FileAttr(ShortFilename);
exit;
end;
end;
// fallback
Result:=0;
end;
function TCTDirectoryCachePool.FileSize(Filename: string
): TCTDirectoryListingSize;
var
Directory: String;
Cache: TCTDirectoryCache;
ShortFilename: String;
begin
Filename:=TrimFilename(Filename);
if (Filename<>'') and FilenameIsAbsolute(Filename) then begin
ShortFilename:=ExtractFilename(Filename);
if (ShortFilename<>'') and (ShortFilename<>'.') and (ShortFilename<>'..')
then begin
Directory:=ExtractFilePath(Filename);
Cache:=GetCache(Directory,true,false);
Result:=Cache.FileSize(ShortFilename);
exit;
end;
end;
// fallback
Result:=-1;
end;
function TCTDirectoryCachePool.FindUnitInUnitLinks(const Directory,
AUnitName: string): string;
@ -1645,20 +1747,46 @@ function TCTDirectoryListing.GetFilename(Index: integer): PChar;
begin
if (Index<0) or (Index>=Count) then
RaiseIndexOutOfBounds;
Result:=@Files[Starts[Index]+SizeOf(TCTDirectoryListingTime)];
Result:=@Files[Starts[Index]+NameOffset];
end;
function TCTDirectoryListing.GetTime(Index: integer): TCTDirectoryListingTime;
procedure RaiseIndexOutOfBounds;
begin
raise Exception.Create('TCTDirectoryListing.GetFilename: Index out of bounds');
raise Exception.Create('TCTDirectoryListing.GetTime: Index out of bounds');
end;
begin
if (Index<0) or (Index>=Count) then
RaiseIndexOutOfBounds;
Result:=PCTDirectoryListingTime(@Files[Starts[Index]])^;
Result:=PCTDirectoryListingHeader(@Files[Starts[Index]])^.Time;
end;
function TCTDirectoryListing.GetAttr(Index: integer): TCTDirectoryListingAttr;
procedure RaiseIndexOutOfBounds;
begin
raise Exception.Create('TCTDirectoryListing.GetAttr: Index out of bounds');
end;
begin
if (Index<0) or (Index>=Count) then
RaiseIndexOutOfBounds;
Result:=PCTDirectoryListingHeader(@Files[Starts[Index]])^.Attr;
end;
function TCTDirectoryListing.GetSize(Index: integer): TCTDirectoryListingSize;
procedure RaiseIndexOutOfBounds;
begin
raise Exception.Create('TCTDirectoryListing.GetSize: Index out of bounds');
end;
begin
if (Index<0) or (Index>=Count) then
RaiseIndexOutOfBounds;
Result:=PCTDirectoryListingHeader(@Files[Starts[Index]])^.Size;
end;
{ TUnitFileNameLink }