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{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: SynEditRegexSearch.pas, released 2002-07-26.
Original Code by Eduardo Mauro, Gerald Nunn and Flávio Etrusco.
All Rights Reserved.
Contributors to the SynEdit project are listed in the Contributors.txt file.
Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.
$Id: syneditregexsearch.pas 56392 2017-11-13 17:33:31Z juha $
You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net
Known Issues:
-------------------------------------------------------------------------------}
unit SynEditRegexSearch;
{$I SynEdit.inc}
interface
uses
Classes, RegExpr, IntegerList,
SynEditTypes,
SynEditMiscClasses;
type
TSynEditRegexSearch = class(TSynEditSearchCustom)
private
fRegex : TRegExpr;
fPositions: TIntegerList;
fLengths: TIntegerList;
protected
function GetPattern: string; override;
procedure SetPattern(const Value: string); override;
procedure SetOptions(const Value: TSynSearchOptions); override;
function GetLength(aIndex: integer): integer; override;
function GetResult(aIndex: integer): integer; override;
function GetResultCount: integer; override;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
function FindAll(const NewText: string): integer; override;
end;
implementation
{ TSynEditRegexSearch }
constructor TSynEditRegexSearch.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
fRegex := TRegExpr.Create;
fPositions := TIntegerList.Create;
fLengths := TIntegerList.Create;
end;
destructor TSynEditRegexSearch.Destroy;
begin
fRegex.Free;
fPositions.Free;
fLengths.Free;
inherited;
end;
function TSynEditRegexSearch.FindAll(const NewText: string): integer;
procedure AddResult(const aPos, aLength: integer);
begin
fPositions.Add(aPos);
fLengths.Add(aLength);
end;
begin
fPositions.Clear;
fLengths.Clear;
if fRegex.Exec( NewText ) then
begin
AddResult( fRegex.MatchPos[0], fRegex.MatchLen[0] );
Result := 1;
while fRegex.ExecNext do
begin
AddResult( fRegex.MatchPos[0], fRegex.MatchLen[0] );
Inc( Result );
end;
end
else
Result := 0;
end;
function TSynEditRegexSearch.GetLength(aIndex: integer): integer;
begin
Result := fLengths[aIndex];
end;
function TSynEditRegexSearch.GetPattern: string;
begin
Result := fRegex.Expression;
end;
function TSynEditRegexSearch.GetResult(aIndex: integer): integer;
begin
Result := fPositions[aIndex];
end;
function TSynEditRegexSearch.GetResultCount: integer;
begin
Result := fPositions.Count;
end;
procedure TSynEditRegexSearch.SetOptions(const Value: TSynSearchOptions);
begin
fRegex.ModifierI := not( ssoMatchCase in Value );
end;
procedure TSynEditRegexSearch.SetPattern(const Value: string);
begin
fRegex.Expression := Value;
end;
end.
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