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About simple parsing a text file with objects
Yaroslav_Gaponov
Member Posts: 158
Hi All,
Below you can find some C/AL code for fast parsing text file with NAV objects.
Below you can find some C/AL code for fast parsing text file with NAV objects.
OBJECT Table 50000 C/AL Code
{
OBJECT-PROPERTIES
{
Date=28-11-07;
Time=09:47:38;
Modified=Yes;
Version List=Research;
}
PROPERTIES
{
}
FIELDS
{
{ 1 ; ;Line No. ;Integer }
{ 2 ; ;Line Text ;Text250 }
{ 3 ; ;Nesting ;Integer }
{ 4 ; ;Line Blob ;BLOB }
{ 5 ; ;Object Name ;Text250 }
}
KEYS
{
{ ;Line No. ;Clustered=Yes }
}
CODE
{
BEGIN
END.
}
}
OBJECT Form 50000 C/AL Code
{
OBJECT-PROPERTIES
{
Date=28-11-07;
Time=11:20:52;
Modified=Yes;
Version List=Research;
}
PROPERTIES
{
Width=9790;
Height=6710;
InsertAllowed=No;
TableBoxID=1;
SourceTable=Table50000;
OnOpenForm=BEGIN
CASE Mode OF
Mode::Object:
BEGIN
FILTERGROUP := 2;
SETRANGE(Nesting,0);
SETFILTER("Line Text",'<>%1&<>%2&<>%3','','{','}');
FILTERGROUP := 0;
CurrForm.btnFile.VISIBLE := TRUE;
CurrForm.BtnObject.VISIBLE := TRUE;
END;
Mode::Source:
BEGIN
CurrForm.btnFile.VISIBLE := FALSE;
CurrForm.BtnObject.VISIBLE := FALSE;
END;
END;
IF FIND('-') THEN ;
END;
}
CONTROLS
{
{ 1 ;TableBox ;220 ;220 ;9350 ;5500 ;HorzGlue=Both;
VertGlue=Both;
InlineEditing=Yes }
{ 2 ;TextBox ;0 ;0 ;1693 ;0 ;Visible=No;
ParentControl=1;
InColumn=Yes;
SourceExpr="Line No.";
OnFormat=BEGIN
CurrForm."Line No.".UPDATEFONTBOLD((Nesting = 0) AND ("Line Text" <>''));
END;
}
{ 3 ;Label ;0 ;0 ;0 ;0 ;ParentControl=2;
InColumnHeading=Yes }
{ 4 ;TextBox ;0 ;0 ;4400 ;0 ;HorzGlue=Both;
ParentControl=1;
InColumn=Yes;
SourceExpr="Line Text";
OnFormat=BEGIN
CurrForm."Line Text".UPDATEFONTBOLD((Nesting = 0) AND ("Line Text" <>''));
END;
}
{ 5 ;Label ;0 ;0 ;0 ;0 ;ParentControl=4;
InColumnHeading=Yes }
{ 1060000;TextBox ;6086 ;1980 ;4400 ;440 ;ParentControl=1;
InColumn=Yes;
SourceExpr="Object Name" }
{ 1060001;Label ;0 ;0 ;0 ;0 ;ParentControl=1060000;
InColumnHeading=Yes }
{ 6 ;TextBox ;0 ;0 ;1700 ;0 ;Visible=No;
ParentControl=1;
InColumn=Yes;
SourceExpr=Nesting;
OnFormat=BEGIN
CurrForm.Nesting.UPDATEFONTBOLD((Nesting = 0) AND ("Line Text" <>''));
END;
}
{ 7 ;Label ;0 ;0 ;0 ;0 ;ParentControl=6;
InColumnHeading=Yes }
{ 10 ;CommandButton;7370 ;5940 ;2200 ;550 ;HorzGlue=Right;
VertGlue=Bottom;
PushAction=FormHelp }
{ 8 ;MenuButton ;2750 ;5940 ;2200 ;550 ;Name=btnFile;
HorzGlue=Right;
VertGlue=Bottom;
CaptionML=ENU=&File;
Menu=MENUITEMS
{
{ ID=9;
CaptionML=ENU=Import...;
OnPush=BEGIN
CALCode.Import(SDialog.OpenFile('','',1,'',0));
END;
}
{ ID=11;
CaptionML=ENU=Export...;
OnPush=BEGIN
CurrForm.SETSELECTIONFILTER(recObj);
CALCode.Export(SDialog.OpenFile('','',1,'',1),recObj);
END;
}
}
}
{ 12 ;MenuButton ;5060 ;5940 ;2200 ;550 ;Name=BtnObject;
HorzGlue=Right;
VertGlue=Bottom;
CaptionML=ENU=Object;
Menu=MENUITEMS
{
{ ID=13;
CaptionML=ENU=Show;
OnPush=VAR
StartPos@1001 : Integer;
BEGIN
StartPos := "Line No.";
recObj.RESET;
recObj.SETFILTER("Line No.",'>=%1',"Line No.");
IF recObj.FIND('-') THEN
REPEAT
UNTIL (recObj.NEXT = 0) OR ((recObj.Nesting = 0) AND (recObj."Line Text" = ''));
recObj.FILTERGROUP := 2;
recObj.SETFILTER("Line No.",'%1..%2',StartPos,recObj."Line No.");
recObj.FILTERGROUP := 0;
CLEAR(frmObj);
frmObj.SETTABLEVIEW(recObj);
frmObj.SetMode(Mode::Source);
frmObj.RUN;
END;
}
}
}
{ 1060002;CommandButton;220;5940;880 ;660 ;VertGlue=Bottom;
ShowCaption=No;
BitmapPos=Center;
Bitmap=18;
OnPush=BEGIN
FILTERGROUP := 2;
IF HASFILTER THEN
BEGIN
RESET;
CurrForm.btnFile.VISIBLE := TRUE;
CurrForm.BtnObject.VISIBLE := FALSE;
END
ELSE
BEGIN
SETRANGE(Nesting,0);
SETFILTER("Line Text",'<>%1&<>%2&<>%3','','{','}');
CurrForm.btnFile.VISIBLE := TRUE;
CurrForm.BtnObject.VISIBLE := TRUE;
END;
FILTERGROUP := 0;
END;
}
}
CODE
{
VAR
CALCode@1000 : Codeunit 50000;
SDialog@1001 : Codeunit 412;
frmObj@1002 : Form 50000;
recObj@1003 : Record 50000;
Mode@1004 : 'Object,Source';
PROCEDURE SetMode@1(pMode@1000 : 'Object,Source');
BEGIN
Mode := pMode;
END;
BEGIN
END.
}
}
OBJECT Codeunit 50000 C/AL Code
{
OBJECT-PROPERTIES
{
Date=28-11-07;
Time=11:58:27;
Modified=Yes;
Version List=Research;
}
PROPERTIES
{
OnRun=BEGIN
END;
}
CODE
{
VAR
recObj@1000 : Record 50000;
Window@1001 : Dialog;
PROCEDURE Import@1(Filename@1000 : Text[250]);
VAR
fObj@1001 : File;
strLine@1002 : Text[1024];
i@1003 : Integer;
j@1004 : Integer;
outs@1005 : OutStream;
k@1006 : Integer;
strObjectName@1060000 : Text[250];
ins@1060001 : InStream;
BEGIN
IF Filename <> '' THEN
WITH recObj DO BEGIN
RESET;
IF FIND('-') THEN
DELETEALL;
Window.OPEN('Progress@1@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@');
fObj.TEXTMODE := TRUE;
IF fObj.OPEN(Filename) THEN BEGIN
fObj.CREATEINSTREAM(ins);
WHILE fObj.POS <> fObj.LEN DO BEGIN
Window.UPDATE(1,ROUND(10000*(fObj.POS/fObj.LEN),1));
ins.READTEXT(strLine,1024);
INIT;
"Line No." := i + 1;
"Line Text" := COPYSTR(strLine,1,250);
"Line Blob".CREATEOUTSTREAM(outs);
outs.WRITETEXT(strLine);
Nesting := j;
IF STRLEN(strLine) > 0 THEN
FOR k := 1 TO STRLEN(strLine) DO BEGIN
CASE strLine[k] OF
'{': BEGIN Nesting := j; j += 1; END;
'}': BEGIN j -= 1; Nesting := j; END;
END;
END;
IF (Nesting = 0) AND NOT ("Line Text" IN ['{','}','']) THEN
strObjectName := COPYSTR("Line Text",8);
"Object Name" := strObjectName;
IF fObj.POS <> fObj.LEN THEN
INSERT;
i += 1;
END;
fObj.CLOSE;
Window.CLOSE;
END;
END;
END;
PROCEDURE Export@2(Filename@1000 : Text[250];VAR pRecObj@1003 : Record 50000);
VAR
fObj@1001 : File;
ins@1002 : InStream;
outs@1004 : OutStream;
NewLine@1007 : Text[2];
flag@1006 : Boolean;
BEGIN
IF Filename <> '' THEN
WITH pRecObj DO BEGIN
NewLine[1] := 13;
NewLine[2] := 10;
fObj.WRITEMODE := TRUE;
fObj.CREATE(Filename);
fObj.CREATEOUTSTREAM(outs);
IF FIND('-') THEN
REPEAT
flag := FALSE;
recObj.SETFILTER("Line No.",'>=%1',"Line No.");
IF recObj.FIND('-') THEN
REPEAT
recObj.CALCFIELDS("Line Blob");
IF recObj."Line Blob".HASVALUE THEN BEGIN
recObj."Line Blob".CREATEINSTREAM(ins);
COPYSTREAM(outs,ins);
END;
outs.WRITETEXT(NewLine);
IF (recObj."Line Text" = '}') AND (recObj.Nesting = 0) THEN
flag := TRUE;
UNTIL (recObj.NEXT = 0) OR flag;
outs.WRITETEXT(NewLine);
UNTIL NEXT = 0;
fObj.CLOSE;
END;
END;
PROCEDURE LTrim@3(str@1000 : Text[1024]) : Text[1024];
BEGIN
WHILE (STRLEN(str) > 0) AND (str[1] = ' ') DO
str := DELSTR(str,1,1);
EXIT(str);
END;
PROCEDURE More@4(Sym@1000 : Char;Count@1001 : Integer) Result : Text[1024];
BEGIN
WHILE Count > 0 DO BEGIN
Result := Result + FORMAT(Sym);
Count -= 1;
END;
END;
BEGIN
END.
}
}
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