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Implements case insensitive search for SynEdit - From bug #18842: [Patch] Find Dialog with UTF8 - case sensitive

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git-svn-id: trunk@33031 -
This commit is contained in:
sekelsenmat 2011-10-22 19:27:30 +00:00
parent 7b99f8bda3
commit 956f7e0bab
2 changed files with 40 additions and 12 deletions
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2
components/synedit/synedit.pp
View File

@ -7235,7 +7235,7 @@ begin
IncPaintLock;
try
//DebugLn(['TCustomSynEdit.SearchReplace ptStart=',dbgs(ptStart),' ptEnd=',dbgs(ptEnd),' ASearch="',dbgstr(ASearch),'" AReplace="',dbgstr(AReplace),'"']);
while fTSearch.FindNextOne(FTheLinesView,ptStart,ptEnd,ptFoundStart,ptFoundEnd) do
while fTSearch.FindNextOne(FTheLinesView,ptStart,ptEnd,ptFoundStart,ptFoundEnd, True) do
begin
//DebugLn(['TCustomSynEdit.SearchReplace FOUND ptStart=',dbgs(ptStart),' ptEnd=',dbgs(ptEnd),' ptFoundStart=',dbgs(ptFoundStart),' ptFoundEnd=',dbgs(ptFoundEnd)]);
// check if found place is entirely in range

50
components/synedit/syneditsearch.pp
View File

@ -109,7 +109,7 @@ type
function Next: Integer;
{$IFDEF SYN_LAZARUS}
function FindNextOne(Lines: TStrings; StartPos, EndPos: TPoint;
out FoundStartPos, FoundEndPos: TPoint): boolean;
out FoundStartPos, FoundEndPos: TPoint; ASupportUnicodeCase: Boolean=False): boolean;
{$ENDIF}
property Count: Integer read fCount write fCount;
property Finished: Boolean read GetFinished;
@ -408,8 +408,10 @@ begin
end;
{$IFDEF SYN_LAZARUS}
// ASupportUnicodeCase -> If we will support Unicode lowercase/uppercase
// by default this is off to increase the speed of the routine
function TSynEditSearch.FindNextOne(Lines: TStrings; StartPos, EndPos: TPoint;
out FoundStartPos, FoundEndPos: TPoint): boolean;
out FoundStartPos, FoundEndPos: TPoint; ASupportUnicodeCase: Boolean=False): boolean;
// Note: all points are 1 based
// only local variables are 0 based
var
@ -799,6 +801,8 @@ var
var
i: integer;
SearchForStr: string;
FCondition: Boolean;
begin
Result:=false;
if Pattern='' then exit;
@ -841,8 +845,18 @@ begin
end else
FirstPattern:=copy(Pat,1,SearchLineEndPos-1);
end;
SearchFor:=PChar(FirstPattern);
SearchLen:=length(FirstPattern);
if ASupportUnicodeCase then
begin
SearchForStr := FirstPattern;
if not fSensitive then SearchForStr := UTF8LowerCase(SearchForStr);
SearchFor:=PChar(SearchForStr);
SearchLen:=Length(SearchForStr);
end
else
begin
SearchFor:=PChar(FirstPattern);
SearchLen:=length(FirstPattern);
end;
if fRegExpr then begin
RegExprEngine.ModifierI:=not fSensitive;
@ -865,6 +879,7 @@ begin
// regex multi line whole word
repeat
LineStr:=Lines[y];
if ASupportUnicodeCase and (not fSensitive) then LineStr := UTF8LowerCase(LineStr);
LineLen:=length(LineStr);
Line:=PChar(LineStr);
if not IsFirstLine then begin
@ -906,7 +921,8 @@ begin
end else begin
// normal search
MaxPos:=LineLen-SearchLen;
if (SearchLen=0) and ((LineLen=0) or IsMultiLinePattern) then begin
if (SearchLen=0) and ((LineLen=0) or IsMultiLinePattern) then
begin
// first (last if backwards) line of pattern is empty line
if FBackwards then
FoundStartPos:=Point(LineLen,y+1)
@ -919,14 +935,26 @@ begin
//DebugLn(['TSynEditSearch.FindNextOne x=',x,' MaxPos=',MaxPos,' Line="',Line,'"']);
while (x>=0) and (x<=MaxPos) do begin
//DebugLn(['TSynEditSearch.FindNextOne x=',x]);
if (SearchLen=0) or (CompTable[Line[x]]=CompTable[SearchFor^]) then begin
if ASupportUnicodeCase then FCondition := (SearchLen=0) or (Line[x]=SearchFor^)
else FCondition := (SearchLen=0) or (CompTable[Line[x]]=CompTable[SearchFor^]);
if FCondition then
begin
//DebugLn(['TSynEditSearch.FindNextOne First character found x=',x,' Line[x]=',Line[x]]);
if (not fWhole)
or (x=0) or (not (Line[x-1] in FIdentChars)) then begin
if (not fWhole) or (x=0) or (not (Line[x-1] in FIdentChars)) then
begin
i:=1;
while (i<SearchLen) and (CompTable[Line[x+i]]=CompTable[SearchFor[i]])
do
inc(i);
if ASupportUnicodeCase then
begin
while (i<SearchLen) and (Line[x+i]=SearchFor[i]) do
inc(i);
end
else
begin
while (i<SearchLen) and (CompTable[Line[x+i]]=CompTable[SearchFor[i]]) do
inc(i);
end;
//DebugLn(['TSynEditSearch.FindNextOne x=',x,' SearchLen=',SearchLen,' i=',i]);
if i=SearchLen then begin
// the pattern fits to this position