From fed2c32e7166a65e87d1afb3faff12075dcd7789 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 27 Jul 2015 14:56:17 +0200
Subject: substitution in mystringlistunit.pas eingebaut

---
 mystringlistunit.pas | 30 ++++++++++++++++++++++--------
 1 file changed, 22 insertions(+), 8 deletions(-)

diff --git a/mystringlistunit.pas b/mystringlistunit.pas
index fe6283c..47bc37c 100644
--- a/mystringlistunit.pas
+++ b/mystringlistunit.pas
@@ -24,8 +24,7 @@ type
     line:  longint;
     prot:  tProtokollant;
   public
-    constructor create; overload;
-    constructor create(protokollant: tProtokollant); overload;
+    constructor create(protokollant: tProtokollant);
     procedure loadFromFile(const s: ansiString); override;
     procedure loadFromGz(const s: ansiString);
     procedure saveToGz(const s: ansiString);
@@ -35,6 +34,7 @@ type
     procedure rewind;
     function stillNeed(bez: string): boolean;
     function unfoldMacros: boolean;
+    procedure subst(regex,ersatz: string);
   end;
 
 procedure _del(var s: string; p,c: longint); inline;  // identisch zu delete(s,p,c) -- lediglich um delete innerhalb von tMyStringlist verfügbar zu haben
@@ -77,11 +77,6 @@ end;
 
 // tMyStringlist ***************************************************************
 
-constructor tMyStringlist.create;
-begin
- create(nil);
-end;
-
 constructor tMyStringlist.create(protokollant: tProtokollant);
 begin
  inherited create;
@@ -278,7 +273,7 @@ begin
         t:=erstesArgument(s,':');
         if (length(t)=0) or (t[1]<>'$') then exit;
 
-        SchleifenInhalt:=tMyStringlist.create; // Schleifenkörper merken
+        SchleifenInhalt:=tMyStringlist.create(nil); // Schleifenkörper merken
         Ebene:=0;
         while (i<Count) and ((Ebene<>0) or (self[i]<>'!Schleifenende')) do begin
           SchleifenInhalt.Add(self[i]);
@@ -403,6 +398,25 @@ begin
   result:=true;
 end;
 
+procedure tMyStringlist.subst(regex,ersatz: string);
+var
+  i,cnt: longint;
+  re:    tRegExpr;
+begin
+  re:=tRegExpr.create;
+  re.expression:='^(.*)('+regex+')(.*)$';
+  cnt:=3;
+  for i:=1 to length(regex) do
+    if (regex[i]='(') and
+       ((i=1) or (regex[i-1]<>'\')) then
+      inc(cnt);
+  for i:=0 to count-1 do begin
+    re.exec(self[i]);
+    self[i]:=re.substitute('$1'+ersatz+'$'+inttostr(cnt));
+  end;
+  re.free;
+end;
+
 // allgemeine Funktionen *******************************************************
 
 procedure _del(var s: string; p,c: longint);
-- 
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