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codetools: saving includelinks compressed

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git-svn-id: trunk@25688 -
This commit is contained in:
mattias 2010-05-27 13:08:11 +00:00
parent b35fff5bcc
commit 5c3930c99d
2 changed files with 199 additions and 75 deletions
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269
components/codetools/codecache.pas
View File

@ -38,11 +38,11 @@ uses
{$IFDEF MEM_CHECK}
MemCheck,
{$ENDIF}
Classes, SysUtils, SourceLog, LinkScanner, FileProcs,
Math, Classes, SysUtils, SourceLog, LinkScanner, FileProcs,
Avl_Tree, Laz_XMLCfg;
const
IncludeLinksFileVersion = 1;
IncludeLinksFileVersion = 2;
type
TCodeCache = class;
@ -177,11 +177,13 @@ type
function LastIncludedByFile(const IncludeFilename: string): string;
function LoadFile(const AFilename: string): TCodeBuffer;
procedure RemoveCodeBuffer(Buffer: TCodeBuffer);
procedure LoadIncludeLinksDataFromList(List: TStrings);
function LoadIncludeLinksFromFile(const AFilename: string): boolean;
function LoadIncludeLinksFromXML(XMLConfig: TXMLConfig;
const XMLPath: string): boolean;
function SaveBufferAs(OldBuffer: TCodeBuffer; const AFilename: string;
out NewBuffer: TCodeBuffer): boolean;
procedure SaveIncludeLinksDataToList(List: TStrings);
function SaveIncludeLinksToFile(const AFilename: string;
OnlyIfChanged: boolean): boolean;
function SaveIncludeLinksToXML(XMLConfig: TXMLConfig;
@ -358,6 +360,96 @@ begin
FItems.Remove(Buffer);
end;
procedure TCodeCache.LoadIncludeLinksDataFromList(List: TStrings);
{ First line is the base date as DateToCfgStr
The following lines are compressed. Each line starting with a number of
characters to use from the previous line. Then a colon and the rest of the
line.
Each include link has two lines, the first is the IncludeFilename, the
second the the IncludedByFile plus semicolon and the age in days.
}
var
BaseDate: TDateTime;
LastLine: string;
Index: integer;
function NextLine: string;
begin
// skip empty lines
repeat
if Index>=List.Count then begin
Result:='';
exit;
end;
Result:=List[Index];
inc(Index);
until Result<>'';
end;
function NextUncompressedLine: string;
var
p: Integer;
Same: Integer;
begin
Result:=NextLine;
p:=1;
Same:=0;
while (p<=length(Result)) and (Result[p] in ['0'..'9']) do begin
Same:=Same*10+ord(Result[p])-ord('0');
inc(p);
end;
inc(p);
Result:=copy(LastLine,1,Same)+copy(Result,p,length(Result));
LastLine:=Result;
end;
var
IncludeFilename: String;
IncludedByFile: String;
p: Longint;
Days: LongInt;
Link: TIncludedByLink;
LastTimeUsed: TDateTime;
CurrDate: TDateTime;
begin
FIncludeLinks.FreeAndClear;
Index:=0;
CurrDate:=Date;
LastLine:='';
if not CfgStrToDate(NextLine,BaseDate) then BaseDate:=Date;
repeat
IncludeFilename:=NextUncompressedLine;
if IncludeFilename='' then exit;
IncludedByFile:=NextUncompressedLine;
if IncludedByFile='' then begin
debugln(['TCodeCache.LoadIncludeLinksDataFromList missing IncludedByFile: IncludeFilename=',IncludeFilename,' line=',Index]);
exit;
end;
p:=System.Pos(';',IncludedByFile);
if p<1 then begin
debugln(['TCodeCache.LoadIncludeLinksDataFromList missing age in IncludedByFile line: ',IncludedByFile,' line=',Index]);
exit;
end;
Days:=StrToIntDef(copy(IncludedByFile,p+1,length(IncludedByFile)),0);
IncludedByFile:=copy(IncludedByFile,1,p-1);
LastTimeUsed:=BaseDate-Days;
//debugln(['TCodeCache.LoadIncludeLinksDataFromList ',IncludeFilename,' ',IncludedByFile,' ',LastTimeUsed]);
if (FExpirationTimeInDays<=0)
or (CurrDate-LastTimeUsed<=FExpirationTimeInDays) then begin
Link:=FindIncludeLinkNode(IncludeFilename);
if Link=nil then begin
Link:=TIncludedByLink.Create(IncludeFilename,IncludedByFile,
BaseDate-Days);
FIncludeLinks.Add(Link);
end else if Link.LastTimeUsed<=LastTimeUsed then begin
Link.IncludedByFile:=IncludedByFile;
Link.LastTimeUsed:=LastTimeUsed;
end;
end;
until false;
end;
function TCodeCache.CreateFile(const AFilename: string): TCodeBuffer;
begin
Result:=FindFile(AFileName);
@ -420,6 +512,58 @@ begin
end;
end;
procedure TCodeCache.SaveIncludeLinksDataToList(List: TStrings);
{ First line is the base date as DateToCfgStr
The following lines are compressed. Each line starting with a number of
characters to use from the previous line. Then a colon and the rest of the
line.
Each include link has two lines, the first is the IncludeFilename, the
second the the IncludedByFile plus semicolon and the age in days.
}
var
LastLine: String;
CurrDate: TDateTime;
ExpirationTime: TDateTime;
procedure AddLine(Line: string);
var
p: Integer;
begin
p:=1;
while (p<=length(Line)) and (p<=length(LastLine))
and (Line[p]=LastLine[p]) do
inc(p);
List.Add(IntToStr(p-1)+':'+copy(Line,p,length(Line)));
LastLine:=Line;
end;
procedure SaveLinkTree(ANode: TAVLTreeNode);
var
ALink: TIncludedByLink;
DiffTime: TDateTime;
begin
if ANode=nil then exit;
SaveLinkTree(ANode.Left);
ALink:=TIncludedByLink(ANode.Data);
DiffTime:=CurrDate-ALink.LastTimeUsed;
if (FExpirationTimeInDays<=0) or (DiffTime<ExpirationTime) then begin
AddLine(ALink.IncludeFilename);
AddLine(ALink.IncludedByFile+';'+IntToStr(round(CurrDate-ALink.LastTimeUsed)));
end;
SaveLinkTree(ANode.Right);
end;
begin
UpdateIncludeLinks;
if FIncludeLinks.Count=0 then exit;
ExpirationTime:=TDateTime(FExpirationTimeInDays);
LastLine:='';
CurrDate:=Date;
List.Add(DateToCfgStr(CurrDate));
SaveLinkTree(FIncludeLinks.Root);
end;
function TCodeCache.LastIncludedByFile(const IncludeFilename: string): string;
var Code: TCodeBuffer;
begin
@ -547,8 +691,7 @@ begin
ANode:=FIncludeLinks.Root;
while ANode<>nil do begin
Result:=TIncludedByLink(ANode.Data);
cmp:=CompareFilenames(
IncludeFilename,Result.IncludeFilename);
cmp:=CompareFilenames(IncludeFilename,Result.IncludeFilename);
if cmp<0 then ANode:=ANode.Left
else if cmp>0 then ANode:=ANode.Right
else begin
@ -562,7 +705,7 @@ function TCodeCache.FindIncludeLinkAVLNode(const IncludeFilename: string
): TAVLTreeNode;
begin
Result:=FIncludeLinks.FindKey(@IncludeFilename,
@ComparePAnsiStringWithIncludedByLink);
@ComparePAnsiStringWithIncludedByLink);
end;
function TCodeCache.FindIncludeLink(const IncludeFilename: string): string;
@ -631,6 +774,7 @@ begin
and FileExistsCached(AFilename)
and (FileAgeCached(AFilename)=fLastIncludeLinkFileAge)
then begin
//debugln(['TCodeCache.SaveIncludeLinksToFile file valid']);
exit;
end;
XMLConfig:=TXMLConfig.CreateClean(AFilename);
@ -672,46 +816,20 @@ end;
function TCodeCache.SaveIncludeLinksToXML(XMLConfig: TXMLConfig;
const XMLPath: string): boolean;
var
Index: integer;
CurrDate: TDateTime;
ExpirationTime: TDateTime;
procedure SaveLinkTree(ANode: TAVLTreeNode);
var ALink: TIncludedByLink;
APath: string;
DiffTime: TDateTime;
begin
if ANode=nil then exit;
SaveLinkTree(ANode.Left);
ALink:=TIncludedByLink(ANode.Data);
DiffTime:=CurrDate-ALink.LastTimeUsed;
if (FExpirationTimeInDays<=0) or (DiffTime<ExpirationTime) then begin
APath:=XMLPath+'IncludeLinks/Link'+IntToStr(Index)+'/';
XMLConfig.SetValue(APath+'IncludeFilename/Value',ALink.IncludeFilename);
XMLConfig.SetValue(APath+'IncludedByFilename/Value',ALink.IncludedByFile);
XMLConfig.SetValue(APath+'LastTimeUsed/Value',
DateToCfgStr(ALink.LastTimeUsed));
inc(Index);
end;
SaveLinkTree(ANode.Right);
end;
List: TStringList;
begin
UpdateIncludeLinks;
XMLConfig.SetValue(XMLPath+'IncludeLinks/Version',IncludeLinksFileVersion);
XMLConfig.SetDeleteValue(XMLPath+'IncludeLinks/ExpirationTimeInDays',
FExpirationTimeInDays,0);
List:=TStringList.Create;
try
CurrDate:=Date;
ExpirationTime:=TDateTime(FExpirationTimeInDays);
UpdateIncludeLinks;
XMLConfig.SetValue(XMLPath+'IncludeLinks/Version',IncludeLinksFileVersion);
XMLConfig.SetDeleteValue(XMLPath+'IncludeLinks/ExpirationTimeInDays',
FExpirationTimeInDays,0);
XMLConfig.SetValue(XMLPath+'IncludeLinks/BaseDate',DateToCfgStr(CurrDate));
Index:=0;
SaveLinkTree(FIncludeLinks.Root);
XMLConfig.SetDeleteValue(XMLPath+'IncludeLinks/Count',Index,0);
Result:=true;
except
Result:=false;
SaveIncludeLinksDataToList(List);
XMLConfig.SetDeleteValue(XMLPath+'IncludeLinks/Data',List.Text,'');
finally
List.Free;
end;
Result:=true;
end;
function TCodeCache.LoadIncludeLinksFromXML(XMLConfig: TXMLConfig;
@ -722,44 +840,49 @@ var LinkCnt, i: integer;
NewLink: TIncludedByLink;
CurrDateStr: String;
FileVersion: longint;
List: TStringList;
begin
try
FIncludeLinks.FreeAndClear;
FileVersion:=XMLConfig.GetValue(XMLPath+'IncludeLinks/Version',0);
FExpirationTimeInDays:=XMLConfig.GetValue(
XMLPath+'IncludeLinks/ExpirationTimeInDays',
FExpirationTimeInDays);
//debugln(['TCodeCache.LoadIncludeLinksFromXML FExpirationTimeInDays=',FExpirationTimeInDays]);
FIncludeLinks.FreeAndClear;
FileVersion:=XMLConfig.GetValue(XMLPath+'IncludeLinks/Version',0);
FExpirationTimeInDays:=XMLConfig.GetValue(
XMLPath+'IncludeLinks/ExpirationTimeInDays',
FExpirationTimeInDays);
if FileVersion=2 then begin
List:=TStringList.Create;
try
List.Text:=XMLConfig.GetValue(XMLPath+'IncludeLinks/Data','');
LoadIncludeLinksDataFromList(List);
finally
List.Free;
end;
end else if FileVersion<=1 then begin
CurrDate:=Date;
CurrDateStr:=DateToCfgStr(CurrDate);
if FileVersion<=1 then begin
LinkCnt:=XMLConfig.GetValue(XMLPath+'IncludeLinks/Count',0);
for i:=0 to LinkCnt-1 do begin
APath:=XMLPath+'IncludeLinks/Link'+IntToStr(i)+'/';
if not CfgStrToDate(XMLConfig.GetValue(APath+'LastTimeUsed/Value',
CurrDateStr),LastTimeUsed)
then begin
debugln(['TCodeCache.LoadIncludeLinksFromXML invalid date: ',XMLConfig.GetValue(APath+'LastTimeUsed/Value','')]);
LastTimeUsed:=CurrDate;
end;
// ToDo: check if link has expired
LinkCnt:=XMLConfig.GetValue(XMLPath+'IncludeLinks/Count',0);
for i:=0 to LinkCnt-1 do begin
APath:=XMLPath+'IncludeLinks/Link'+IntToStr(i)+'/';
if not CfgStrToDate(XMLConfig.GetValue(APath+'LastTimeUsed/Value',
CurrDateStr),LastTimeUsed)
then begin
debugln(['TCodeCache.LoadIncludeLinksFromXML invalid date: ',XMLConfig.GetValue(APath+'LastTimeUsed/Value','')]);
LastTimeUsed:=CurrDate;
end;
// ToDo: check if link has expired
IncludeFilename:=XMLConfig.GetValue(APath+'IncludeFilename/Value','');
//debugln(['TCodeCache.LoadIncludeLinksFromXML CurrDate=',DateToStr(CurrDate),' xml=',XMLConfig.GetValue(APath+'LastTimeUsed/Value',''),' Days=',CurrDate-LastTimeUsed,' ',IncludeFilename]);
if IncludeFilename='' then continue;
IncludedByFile:=XMLConfig.GetValue(APath+'IncludedByFilename/Value','');
if (FExpirationTimeInDays<=0)
or (CurrDate-LastTimeUsed<=FExpirationTimeInDays) then begin
NewLink:=TIncludedByLink.Create(IncludeFilename,IncludedByFile,
LastTimeUsed);
FIncludeLinks.Add(NewLink);
end;
IncludeFilename:=XMLConfig.GetValue(APath+'IncludeFilename/Value','');
//debugln(['TCodeCache.LoadIncludeLinksFromXML CurrDate=',DateToStr(CurrDate),' xml=',XMLConfig.GetValue(APath+'LastTimeUsed/Value',''),' Days=',CurrDate-LastTimeUsed,' ',IncludeFilename]);
if IncludeFilename='' then continue;
IncludedByFile:=XMLConfig.GetValue(APath+'IncludedByFilename/Value','');
if (FExpirationTimeInDays<=0)
or (CurrDate-LastTimeUsed<=FExpirationTimeInDays) then begin
NewLink:=TIncludedByLink.Create(IncludeFilename,IncludedByFile,
LastTimeUsed);
FIncludeLinks.Add(NewLink);
end;
end;
Result:=true;
except
Result:=false;
end;
Result:=true;
end;
procedure TCodeCache.ConsistencyCheck;

5
components/codetools/laz_xmlcfg.pas
View File

@ -444,6 +444,7 @@ begin
{$ELSE}
Laz_XMLWrite.WriteXMLFile(ADoc,AFileName);
{$ENDIF}
InvalidateFileStateCache(AFileName);
end;
procedure TXMLConfig.FreeDoc;
@ -570,8 +571,8 @@ begin
end;
doc:=nil;
if (not fDoNotLoadFromFile) and FileExistsCached(AFilename) then
ReadXMLFile(doc,AFilename)
if (not fDoNotLoadFromFile) and FileExistsCached(Filename) then
ReadXMLFile(doc,Filename)
else if fAutoLoadFromSource<>'' then begin
ms:=TMemoryStream.Create;
try