Revert "fix, dcd ddoc mouse hint, decl finder, location is not based on the speific document line ending kind but on the system one"

This reverts commit 6aed308035.

src/ce_common.pas

@@ -205,8 +205,10 @@ type
   function AppIsRunning(const ExeName: string):Boolean;
 
   (**
-   * Returns the length of the line ending of the system
+   * Returns the length of the line ending in aFilename;
    *)
+  //function getLineEndingLength(const aFilename: string): byte;
+
   function getSysLineEndLen: byte;
 
 implementation
@@ -756,6 +758,36 @@ begin
   aProcess.Options := aProcess.Options + [poNewConsole];
 end;
 
+// TODO-cbugfix: confirm that DCD location info are based on system Line ending and not the one existing in a specific file
+
+//function getLineEndingLength(const aFilename: string): byte;
+//var
+//  value: char;
+//  le: string;
+//begin
+//  value := #0;
+//  le := LineEnding;
+//  result := length(le);
+//  if not fileExists(aFilename) then
+//    exit;
+//  with TMemoryStream.Create do
+//  try
+//    LoadFromFile(aFilename);
+//    while true do
+//    begin
+//      if Position = Size then
+//        exit;
+//      read(value,1);
+//      if value = #10 then
+//        exit(1);
+//      if value = #13 then
+//        exit(2);
+//    end;
+//  finally
+//    Free;
+//  end;
+//end;
+
 function getSysLineEndLen: byte;
 begin
   {$IFDEF WINDOWS}

src/ce_editor.pas

@@ -375,7 +375,10 @@ begin
     openDocument(fname);
   if srcpos <> -1 then
   begin
+    // note: SelStart only matches srcpos if the target file has the same line ending
+    // as the operating system: the pos has to be found manually.
     sum := 0;
+    //len := getLineEndingLength(fDoc.fileName);
     len := getSysLineEndLen;
     for i := 0 to fDoc.Lines.Count-1 do
     begin

src/ce_synmemo.pas

@@ -620,9 +620,9 @@ var
   i, len: Integer;
 begin
   result := 0;
-  len := getSysLineEndLen;
+  //len := getLineEndingLength(fFilename);
   for i:= 0 to fMousePos.y-2 do
-    result += length(Lines.Strings[i]) + len;
+    result += length(Lines.Strings[i]) + getSysLineEndLen;
   result += fMousePos.x;
 end;