Navigate PDF outline in Node.js (JavaScript)

1void PrintIndent(Bookmark item) 
2{
3	int ident = item.GetIndent() - 1;
4	for (int i=0; i<ident; ++i) {
5    cout << "  ";
6  }
7}
8void PrintOutlineTree(Bookmark item)
9{
10	for (; item.IsValid(); item=item.GetNext()) {
11		PrintIndent(item);
12    cout << (item.IsOpen() ? "- " : "+ ") << item.GetTitle() << " ACTION -> ";
13		if (item.HasChildren()) {
14			PrintOutlineTree(item.GetFirstChild());
15		}
16	}
17}
18PDFDoc doc(filename);
19Bookmark root = doc.GetFirstBookmark();
20PrintOutlineTree(root);

1func PrintIndent(item Bookmark){
2  indent := item.GetIndent() - 1
3  i := 0
4  for i < indent{
5    os.Stdout.Write([]byte("  "))
6    i = i + 1
7  }
8}
9func PrintOutlineTree (item Bookmark){
10  for item.IsValid(){
11    PrintIndent(item)
12    if item.IsOpen(){
13      os.Stdout.Write([]byte("- " + item.GetTitle() + " ACTION -> "))
14    }else{
15      os.Stdout.Write([]byte("+ " + item.GetTitle() + " ACTION -> "))
16    } 
17    if item.HasChildren(){        
18      PrintOutlineTree(item.GetFirstChild())
19    }
20    item = item.GetNext()
21  }
22}            
23doc := NewPDFDoc(filename)
24root := doc.GetFirstBookmark()
25PrintOutlineTree(root)

1void PrintIndent(Bookmark item) throws PDFNetException {
2  int ident = item.getIndent() - 1;
3  for (int i = 0; i < ident; ++i) {
4    System.out.print("  ");
5  }
6}
7void PrintOutlineTree(Bookmark item) throws PDFNetException {
8  for (; item.isValid(); item = item.getNext()) {
9    PrintIndent(item);
10    System.out.print((item.isOpen() ? "- " : "+ ") + item.getTitle() + " ACTION -> ");
11    if (item.hasChildren()) {
12      PrintOutlineTree(item.getFirstChild());
13    }
14  }
15}
16PDFDoc doc = new PDFDoc(filename);
17Bookmark root = doc.getFirstBookmark();
18PrintOutlineTree(root);

1async function main() {
2  const printIndent = async(item, str) => {
3    const ident = (await item.getIndent()) - 1;
4    for (let i = 0; i < ident; ++i) {
5      str += '  ';
6    }
7    return str;
8  };
9  const printOutlineTree = async(item) => {
10    for (; item != null; item = await item.getNext()) {
11      let IndentString = await printIndent(item, IndentString);
12      let TitleString = await item.getTitle();
13      console.log(IndentString + (await item.isOpen()) ? '- ' : '+ ') + TitleString + ' Action -> ');
14      if (await item.hasChildren()) {
15        await printOutlineTree(await item.getFirstChild());
16      }
17    }
18  };
19  const doc = await PDFNet.PDFDoc.createFromURL(filename);
20  const root = await docOut.getFirstBookmark();
21  await printOutlineTree(root);
22}
23PDFNet.runWithCleanup(main);

1void PrintIndent(PTBookmark *item) 
2{
3	int ident = [item GetIndent] - 1;
4	for (int i=0; i<ident; ++i) {
5    printf("  ");
6  }
7}
8void PrintOutlineTree(PTBookmark *item)
9{
10	for (; [item IsValid]; item=[item GetNext]) {
11		PrintIndent(item);
12		if ([item IsOpen]) {
13			printf("- %s ACTION -> ", [[item GetTitle] UTF8String]);
14		}
15		else {
16			printf("+ %s ACTION -> ", [[item GetTitle] UTF8String]);
17		}
18		if ([item HasChildren]) {
19			PrintOutlineTree([item GetFirstChild]);
20		}
21	}
22}
23PTPDFDoc *doc = [[PTPDFDoc alloc] initWithFilepath: filename];
24PTBookmark *root = [doc GetFirstBookmark];
25PrintOutlineTree(root);

1function PrintIndent ($item) {
2	$ident = $item->GetIndent() - 1;
3	for ($i=0; $i<$ident; ++$i) {
4		echo "     ";
5	}
6}
7function PrintOutlineTree($item) {
8	for (; $item->IsValid(); $item=$item->GetNext()) {
9		PrintIndent($item);
10		echo ($item->IsOpen() ? "- " : "+ ").$item->GetTitle()." ACTION -> ";
11		if ($item->HasChildren()) {
12			PrintOutlineTree($item->GetFirstChild());
13		}
14	}
15}
16$doc = new PDFDoc($filename);
17$root = $doc->GetFirstBookmark();
18PrintOutlineTree($root);

1def PrintIndent(item):
2  indent = item.GetIndent() - 1
3  i = 0
4  while i < indent:
5    sys.stdout.write("  ")
6    i = i + 1
7def PrintOutlineTree (item):
8  while item.IsValid():
9    PrintIndent(item)
10    if item.IsOpen():
11      sys.stdout.write("- " + item.GetTitle() + " ACTION -> ")
12    else:
13      sys.stdout.write("+ " + item.GetTitle() + " ACTION -> ")  
14    if item.HasChildren():        
15      PrintOutlineTree(item.GetFirstChild())
16    item = item.GetNext()
17doc = PDFDoc(filename)
18root = doc.GetFirstBookmark()
19PrintOutlineTree(root)

1def PrintIndent(item)
2	indent = item.GetIndent() - 1
3	i = 0
4	while i < indent do
5		print "  "
6		i = i + 1
7	end
8end
9def PrintOutlineTree (item)
10	while item.IsValid() do
11		PrintIndent(item)
12		if item.IsOpen()
13			print( "- " + item.GetTitle() + " ACTION -> ")
14		else
15			print("+ " + item.GetTitle() + " ACTION -> ")
16		end  
17		if item.HasChildren() 
18			PrintOutlineTree(item.GetFirstChild())
19		end
20		item = item.GetNext()
21	end
22end
23doc = PDFDoc.new(filename)
24root = doc.GetFirstBookmark()
25PrintOutlineTree(root)

1Sub PrintIndent(ByVal item As Bookmark)
2  Dim indent As Integer = item.GetIndent() - 1
3  Dim i As Integer
4  For i = 1 To indent
5    Console.Write("  ")
6  Next
7End Sub
8Public Shared Sub PrintOutlineTree(ByVal item As Bookmark)
9  Do While item.IsValid()
10    PrintIndent(item)
11    If item.IsOpen Then
12      Console.Write("- {0:s} ACTION -> ", item.GetTitle())
13    Else
14      Console.Write("+ {0:s} ACTION -> ", item.GetTitle())
15    End If
16    If item.HasChildren() Then   ' Recursively print children sub-trees
17        PrintOutlineTree(item.GetFirstChild())
18    End If
19    item = item.GetNext()
20  Loop
21End Sub
22Dim doc As PDFDoc = New PDFDoc(filename)
23Dim root As Bookmark = doc1.GetFirstBookmark()
24PrintOutlineTree(root)