utils: more useless APIs

diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index 0ac5caa00f15004d8f7901fa99eadf36f966712c..bf8abf4fbc98a8d0ce8de1b687e6b35da9d63cd7 100644 (file)
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
@@ -74,6 +74,9 @@ function forceFilenameExt (const fn, ext: AnsiString): AnsiString;
 // rewrites slashes to '/'
 function fixSlashes (s: AnsiString): AnsiString;
 
+function isAbsolutePath (const s: AnsiString): Boolean;
+function isRootPath (const s: AnsiString): Boolean;
+
 // strips out name from `fn`, leaving trailing slash
 function getFilenamePath (const fn: AnsiString): AnsiString;
 
@@ -347,6 +350,32 @@ begin
 end;
 
 
+function isAbsolutePath (const s: AnsiString): Boolean;
+begin
+  result := false;
+  if (length(s) = 0) then exit;
+  {$IFDEF WINDOWS}
+  if (s[1] = '/') or (s[1] = '\') then begin result := true; exit; end;
+  if (length(s) > 2) and (s[2] = ':') and ((s[3] = '/') or (s[3] = '\')) then begin result := true; exit; end;
+  {$ELSE}
+  result := (s[1] = '/');
+  {$ENDIF}
+end;
+
+
+function isRootPath (const s: AnsiString): Boolean;
+begin
+  result := false;
+  if (length(s) = 0) then exit;
+  {$IFDEF WINDOWS}
+  if (s = '/') or (s = '\') then begin result := true; exit; end;
+  if (length(s) = 3) and (s[2] = ':') and ((s[3] = '/') or (s[3] = '\')) then begin result := true; exit; end;
+  {$ELSE}
+  result := (s = '/');
+  {$ENDIF}
+end;
+
+
 // ////////////////////////////////////////////////////////////////////////// //
 constructor TSimpleList.TEnumerator.Create (const aitems: TItemArr; acount: Integer);
 begin