Changeset 390 for tools/PoConv/UFormMain.pas

Timestamp:

Jun 1, 2021, 1:13:28 AM (3 years ago)

Author:

chronos

Message:

• Modified: Improved PoConv to convert txt files to po and back.

Location:

tools/PoConv

Files:

• . (modified) (1 prop)
• UFormMain.pas (modified) (4 diffs)

tools/PoConv/UFormMain.pas

@@ -14 +14 @@
   TFormMain = class(TForm)
     ButtonTxtToPo: TButton;
+    ButtonPoToTxt: TButton;
+    procedure ButtonPoToTxtClick(Sender: TObject);
     procedure ButtonTxtToPoClick(Sender: TObject);
   private
     procedure TxtToPo(SourceFileName, DestFileName: string);
+    procedure PoToTxt(SourceFileName, DestFileName: string);
     function Escape(Text: string): string;
+    function Unescape(Text: string): string;
+    function Unquote(Text: string): string;
+    procedure EmitPo(Lines: TStrings; Name, Value: string);
+    procedure EmitTxt(Lines: TStrings; Name, Value: string);
   public
 
@@ -39 +46 @@
   TxtToPo(BaseDir + 'Language2.txt', 'Language2.po');
   TxtToPo(BaseDir + 'Help' + DirectorySeparator + 'help.txt', 'help.po');
+end;
+
+procedure TFormMain.ButtonPoToTxtClick(Sender: TObject);
+begin
+  PoToTxt('Language.po', 'Language.txt');
+  PoToTxt('Language2.po', 'Language2.txt');
+  PoToTxt('help.po', 'help.txt');
 end;
 
@@ -65 +79 @@
   Name := '';
   NameIndex := 0;
+  Value := '';
   I := 0;
   while I < SourceLines.Count do begin
-    Line := Trim(SourceLines[I]);
+    Line := SourceLines[I];
     if (Length(Line) > 0) and (Line[1] = '''') then begin
+      if Name <> '' then begin
+        EmitPo(DestLines, Name, Value);
+        Name := '';
+      end;
       DestLines.Add('#' + Copy(Line, 2, Length(Line)));
     end else
     if (Length(Line) > 0) and (Line[1] = '#') and (NameIndex = 0) then begin
+      if Name <> '' then begin
+        EmitPo(DestLines, Name, Value);
+        Name := '';
+      end;
       Index := Pos(' ', Line);
       if Index > 0 then begin
         Name := Copy(Line, 2, Index - 2);
         Value := Copy(Line, Index + 1, Length(Line));
-        NameIndex := 0;
-        DestLines.Add('msgid "' + Name + '"');
-        DestLines.Add('msgstr "' + Escape(Value) + '"');
-        DestLines.Add('');
       end else begin
         Name := Copy(Line, 2, Length(Line));
         Value := '';
-        NameIndex := 1;
-      end;
-    end else begin
-      if (NameIndex > 0) and (Line <> '') then begin
-        DestLines.Add('msgid "' + Name + '_' + IntToStr(NameIndex) + '"');
-        DestLines.Add('msgstr "' + Escape(Line) + '"');
-        DestLines.Add('');
-        Inc(NameIndex);
-      end else
-      if Line = '' then begin
-        NameIndex := 0;
-      end;
-    end;
-    Inc(I);
+      end;
+    end else begin
+      Value := Value + LineEnding + Line;
+    end;
+    Inc(I);
+  end;
+  if Name <> '' then begin
+    EmitPo(DestLines, Name, Value);
+    Name := '';
   end;
   DestLines.SaveToFile(DestFileName);
@@ -103 +117 @@
 end;
 
+procedure TFormMain.PoToTxt(SourceFileName, DestFileName: string);
+var
+  SourceLines: TStringList;
+  DestLines: TStringList;
+  I: Integer;
+  Line: string;
+  Index: Integer;
+  Name: string;
+  Value: string;
+  Cmd: string;
+begin
+  SourceLines := TStringList.Create;
+  DestLines := TStringList.Create;
+  SourceLines.LoadFromFile(SourceFileName);
+  I := 0;
+  Value := '';
+  Name := '';
+  while I < SourceLines.Count do begin
+    Line := Trim(SourceLines[I]);
+    Line := StringReplace(Line, '\n', '', [rfReplaceAll]);
+    if (Length(Line) > 0) and (Line[1] = '#') then begin
+      if Name <> '' then begin
+        EmitTxt(DestLines, Name, Value);
+        Name := '';
+      end;
+      DestLines.Add('''' + Copy(Line, 2, Length(Line)));
+    end else begin
+      if (Length(Line) > 0) and (Line[1] = '"') and (Line[Length(Line)] = '"') then begin
+        Value := Value + LineEnding + Unquote(Line);
+      end else begin
+        Index := Pos(' ', Line);
+        if Index > 0 then begin
+          Cmd := Copy(Line, 1, Index - 1);
+          if Cmd = 'msgid' then begin
+            if Name <> '' then begin
+              EmitTxt(DestLines, Name, Value);
+              Name := '';
+            end;
+            Name := Unquote(Unescape(Copy(Line, Index + 1, Length(Line))));
+          end else
+          if Cmd = 'msgstr' then begin
+            Value := Unquote(Copy(Line, Index + 1, Length(Line)));
+          end;
+        end;
+      end;
+    end;
+    Inc(I);
+  end;
+  if Name <> '' then begin
+    EmitTxt(DestLines, Name, Value);
+    Name := '';
+  end;
+  DestLines.SaveToFile(DestFileName);
+  FreeAndNil(SourceLines);
+  FreeAndNil(DestLines);
+end;
+
 function TFormMain.Escape(Text: string): string;
 begin
-  Result := StringReplace(Text, '\', '\\', [rfReplaceAll]);
+  Result := Text;
+  Result := StringReplace(Result, '\', '\\', [rfReplaceAll]);
   Result := StringReplace(Result, '"', '\"', [rfReplaceAll]);
 end;
 
+function TFormMain.Unescape(Text: string): string;
+begin
+  Result := Text;
+  Result := StringReplace(Result, '\\', '\', [rfReplaceAll]);
+  Result := StringReplace(Result, '\"', '"', [rfReplaceAll]);
+end;
+
+function TFormMain.Unquote(Text: string): string;
+begin
+  Result := Text;
+  if Length(Text) >= 2 then begin
+    if (Text[1] = '"') and (Text[Length(Text)] = '"') then
+      Result := Copy(Text, 2, Length(Text) - 2);
+  end;
+end;
+
+procedure TFormMain.EmitPo(Lines: TStrings; Name, Value: string);
+var
+  MsgStr: string;
+  Index: Integer;
+  I: Integer;
+  Stop: Boolean;
+begin
+  Lines.Add('msgid "' + Name + '"');
+  I := 0;
+  Stop := False;
+  while not Stop do begin
+    Index := Pos(LineEnding, Value);
+    if Index > 0 then begin
+      MsgStr := '"' + Escape(Copy(Value, 1, Index - 1)) + '\n"';
+      Value := Copy(Value, Index + 1, Length(Value));
+    end else begin
+      MsgStr := '"' + Escape(Value) + '"';
+      Value := '';
+      Stop := True;
+    end;
+    if I = 0 then MsgStr := 'msgstr ' + MsgStr;
+    Lines.Add(MsgStr);
+    Inc(I);
+  end;
+  if I = 0 then Lines.Add('msgstr ""');
+  Lines.Add('');
+end;
+
+procedure TFormMain.EmitTxt(Lines: TStrings; Name, Value: string);
+var
+  MsgStr: string;
+  Index: Integer;
+  I: Integer;
+  Stop: Boolean;
+begin
+  I := 0;
+  Stop := False;
+  while not Stop do begin
+    Index := Pos(LineEnding, Value);
+    if Index > 0 then begin
+      MsgStr := Unescape(Copy(Value, 1, Index - 1));
+      Value := Copy(Value, Index + 1, Length(Value));
+    end else begin
+      MsgStr := Unescape(Value);
+      Stop := True;
+    end;
+    if I = 0 then begin
+      if Length(MsgStr) > 0 then MsgStr := ' ' + MsgStr;
+      MsgStr := '#' + Name + MsgStr;
+    end;
+    Lines.Add(MsgStr);
+    Inc(I);
+  end;
+  if I = 0 then begin
+    Lines.Add('#' + Name);
+  end;
+end;
+
 end.