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* Standalone tag fix from Dokkie884

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This commit is contained in:
Michaël Van Canneyt 2022-02-19 17:45:50 +01:00
parent 003d3267f0
commit d7ab530096
1 changed files with 39 additions and 35 deletions
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74
packages/fcl-mustache/src/fpmustache.pp
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@ -977,14 +977,6 @@ Var
PartialPrefix: TMustacheString;
Partial : TMustacheELement;
// check if the current tag is a tag that can occur standalone on a line
// if so, the whole line will be removed as per the specs
function IsStandaloneTag: Boolean;
begin
Result := (NewPos + lStart <= Total) and
(aTemplate[NewPos + lStart] in ['=','#','!','^','>','/']);
end;
function IsPartialTag: Boolean;
begin
Result := (NewPos + lStart <= Total) and (aTemplate[NewPos + lStart] = '>');
@ -992,33 +984,40 @@ Var
// check if the current tag occurs standalone on a line
function CheckStandalone: Boolean;
function LeftOnlyWhiteSpace: Boolean;
var
I: Integer;
begin
I := NewPos - 1;
while (I >= 1) and (aTemplate[I] = ' ') do
Dec(I);
Result := (I < 1) or (aTemplate[I] = #10);
end;
function RightOnlyWhiteSpace: Boolean;
var
I: Integer;
begin
I := Pos(cStop, aTemplate, NewPos + lStart);
if I = 0 then
Exit(False);
Inc(I, lStop);
while (I <= Total) and (aTemplate[I] = ' ') do
Inc(I);
Result := (I > Total) or (aTemplate[I] = #10) or
(Copy(aTemplate, I, 2) = #13#10);
end;
var
I,
pStop: Integer;
begin
Result := IsStandaloneTag and LeftOnlyWhiteSpace and RightOnlyWhiteSpace;
// a tag is considered standalone if it is on a line that consists of:
// - zero or more spaces
// - one or more non-variable tags
// - zero or more spaces
// get start of current line
I := NewPos;
while (I > 1) and (aTemplate[I - 1] <> #10) do
Dec(I);
// skip zero or more spaces
while (I <= Total) and (aTemplate[I] = ' ') do
Inc(I);
// skip one or more non-variable tags
repeat
pStop := Pos(cStop, aTemplate, I + lStart + 1);
if (Copy(aTemplate, I, lStart) = cStart) and (pStop > 0)
and (aTemplate[I + lStart] in ['=','#','!','^','>','/']) then
I := pStop + lStop
else
Break;
until False;
// skip zero or more spaces
while (I <= Total) and (aTemplate[I] = ' ') do
Inc(I);
// now end of line must be reached if tag is standalone
Result := (I > Total) or (aTemplate[I] = #10) or (Copy(aTemplate, I, 2) = #13#10);
end;
function WhiteSpaceRightPos(const S: TMustacheString): Integer;
@ -1032,6 +1031,11 @@ Var
Result := I + 1;
end;
function CurrentIsWhitespace: Boolean;
begin
Result := (Current <= Total) and (aTemplate[Current] in [' ',#13,#10]);
end;
procedure SkipRestOfLine;
var
EndOfLine: Integer;
@ -1152,7 +1156,7 @@ begin
CreateDefault(CurrParent,Current,aName);
end;
Current:=NewPos+clStop;
if IsStandalone then
if IsStandalone and CurrentIsWhitespace then
SkipRestOfLine;
end;
end;