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* Allow to set lastindex

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This commit is contained in:
Michaël Van Canneyt 2024-09-10 15:52:12 +02:00
parent af206dfecd
commit 1084346b00
3 changed files with 21 additions and 1 deletions
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1
packages/wasm-utils/src/wasm.regexp.api.pas
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@ -28,6 +28,7 @@ function __wasm_regexp_test(aExprID : TWasmRegExpID; aString : PByte; aStringLen
function __wasm_regexp_get_flags(aExprID : TWasmRegExpID; aFlags : PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetFlags;
function __wasm_regexp_get_expression(aExprID : TWasmRegExpID; aExp : PByte; aExpLen : PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetExpression;
function __wasm_regexp_get_last_index(aExprID : TWasmRegExpID; aLastIndex : PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetLastIndex;
function __wasm_regexp_set_last_index(aExprID : TWasmRegExpID; aLastIndex : Longint) : TWasmRegexpResult; external regexpExportName name regexpFN_SetLastIndex;
function __wasm_regexp_get_result_match(aExprID : TWasmRegExpID; aIndex : Longint; Res : PByte; ResLen : PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetResultMatch;
function __wasm_regexp_get_group_count(aExprID : TWasmRegExpID; aCount: PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetGroupCount;
function __wasm_regexp_get_group_name(aExprID : TWasmRegExpID; aIndex : Longint; aName : PByte; aNameLen : PLongint) : TWasmRegexpResult; external regexpExportName name regexpFN_GetGroupName;

20
packages/wasm-utils/src/wasm.regexp.objects.pas
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@ -17,6 +17,7 @@ unit wasm.regexp.objects;
{$mode ObjFPC}{$H+}
{$modeswitch typehelpers}
{$modeswitch advancedrecords}
interface
@ -57,9 +58,12 @@ Type
Property AsFlags : Longint Read ToFlags Write SetAsFlags;
end;
{ TRegExpMatch }
TRegExpMatch = record
Value : UTF8String;
StartIndex, StopIndex : Integer;
function MatchPos(aStartIndex, aStopIndex : Integer) : Boolean;
end;
TRegExpMatchArray = array of TRegExpMatch;
@ -86,6 +90,7 @@ Type
function GetGroups(aCount: Integer): TRegExpGroupArray;
function GetLastIndex: Longint;
function GetMatches(aCount: Integer): TRegExpMatchArray;
procedure SetLastIndex(AValue: Longint);
protected
function CheckRegExpResult(Res : TWasmRegexpResult; const aOperation : String; aRaise : Boolean = true) : Boolean;
Public
@ -95,7 +100,8 @@ Type
destructor Destroy; override;
Function Exec(const aString : String) : TRegExpResult;
Function Test(const aString : String) : Boolean;
Property LastIndex : Longint Read GetLastIndex;
// 0 - based !
Property LastIndex : Longint Read GetLastIndex Write SetLastIndex;
Property RegexpID : TWasmRegExpID Read FRegexpID;
Property FlagsAsInteger : Integer Read FFlags;
Property Flags : TRegexpFlags Read GetFlags;
@ -166,6 +172,13 @@ begin
Result.AsFlags:=aFlags;
end;
{ TRegExpMatch }
function TRegExpMatch.MatchPos(aStartIndex, aStopIndex: Integer): Boolean;
begin
Result:=(aStartIndex=StartIndex) and (aStopIndex=StopIndex);
end;
{ TWasmRegExp }
@ -244,6 +257,11 @@ begin
end;
end;
procedure TWasmRegExp.SetLastIndex(AValue: Longint);
begin
CheckRegExpResult(__wasm_regexp_set_last_index(FRegexpID,AValue),'set_last_index');
end;
function TWasmRegExp.GetGroups(aCount: Integer): TRegExpGroupArray;
var

1
packages/wasm-utils/src/wasm.regexp.shared.pas
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@ -67,6 +67,7 @@ Const
regexpFN_GetFlags = 'get_flags';
regexpFN_GetExpression = 'get_expression';
regexpFN_GetLastIndex = 'get_last_index';
regexpFN_SetLastIndex = 'set_last_index';
regexpFN_GetResultMatch = 'get_result_match';
regexpFN_GetGroupCount = 'get_group_count';
regexpFN_GetGroupName = 'get_group_name';