* docedit: Started work on parsing a fpdoc description (xml) file.

1 files changed, 181 insertions, 1 deletions

diff --git a/examples/apps/docedit/frm_main.pas b/examples/apps/docedit/frm_main.pas
index cd8fe01f..80791ad9 100644
--- a/examples/apps/docedit/frm_main.pas
+++ b/examples/apps/docedit/frm_main.pas
@@ -2,6 +2,10 @@ unit frm_main;
 
 {$mode objfpc}{$H+}
 
+{
+  NOTE:  This is still work in progress!!!!!!!
+}
+
 interface
 
 uses
@@ -12,12 +16,15 @@ uses
   gui_button,
   gui_edit,
   gui_label,
-  gui_menu;
+  gui_menu,
+  gui_memo,
+  dom, XMLWrite, XMLRead, contnrs;
 
 type
   TMainForm = class(TfpgForm)
   private
     btnQuit: TfpgButton;
+    FDescriptionNode: TDomNode;
     lblXMLFile: TfpgLabel;
     edXMLFile: TfpgEdit;
     btnOpen: TfpgButton;
@@ -26,6 +33,13 @@ type
     miInsert: TfpgPopupMenu;
     miExtra: TfpgPopupMenu;
     miHelp: TfpgPopupMenu;
+    
+    FDoc: TXMLDocument;
+    FModified: Boolean;
+    CurrentModule: TDomElement;
+    FModuleTree: TObjectList;
+    FElementTree: TObjectList;
+    
     procedure   btnQuitClicked(Sender: TObject);
     procedure   btnOpenClicked(Sender: TObject);
     procedure   InitializeComponents;
@@ -34,8 +48,13 @@ type
     procedure   miFileOpenClicked(Sender: TObject);
     procedure   miFileSaveAsClicked(Sender: TObject);
     procedure   miHelpAboutClicked(Sender: TObject);
+    procedure   ProcessXMLFile(pFilename: string);
+    procedure   Refresh;
+    procedure   GetElementList(List: TStrings);
   public
     constructor Create(AOwner: TComponent); override;
+    destructor  Destroy; override;
+    property    DescriptionNode: TDomNode read FDescriptionNode write FDescriptionNode;
   end;
   
 
@@ -47,6 +66,35 @@ uses
   
 const
   cAppName = 'FPDoc Documentation Editor';
+  
+  
+type
+  TNodeTreeItem = class(TObjectList)
+  private
+    FNode: TDomElement;
+  public
+    constructor Create(ANode: TDomElement); virtual;
+    procedure   CheckSubItems;
+    property    Node: TDomElement Read FNode;
+  end;
+
+  TModuleTreeItem   = class(TNodeTreeItem);
+  TTopicTreeItem    = class(TNodeTreeItem);
+  TPackageTreeItem  = class(TNodeTreeItem);
+
+{ TNodeTreeItem }
+
+constructor TNodeTreeItem.Create(ANode: TDomElement);
+begin
+  inherited Create(false);
+  FNode := ANode;
+end;
+
+procedure TNodeTreeItem.CheckSubItems;
+begin
+//  If (SubTree=Nil) then
+//    SubTree:=TFPgtkTree.Create;
+end;
 
 { TMainForm }
 
@@ -138,6 +186,7 @@ begin
     dlg.Filter := 'FPDoc Desc Files (*.xml)|*.xml|All Files (*)|*';
     if dlg.RunOpenFile then
       edXMLFile.Text := dlg.FileName;
+      ProcessXMLFile(dlg.FileName);
   finally
     dlg.Free;
   end;
@@ -167,6 +216,127 @@ begin
       ,'About');
 end;
 
+procedure TMainForm.ProcessXMLFile(pFilename: string);
+var
+  dn: TDOMNode;
+  ls: TStringList;
+begin
+  ReadXMLFile(FDoc, pFilename);
+  FDescriptionNode := FDoc.DocumentElement;
+  Refresh;
+  ls := TStringList.Create;
+  GetElementList(ls);
+  writeln('.......');
+  writeln(ls.Text);
+  ls.Free;
+end;
+
+procedure TMainForm.Refresh;
+
+  procedure DoTopicNode(Node: TDomElement; Parent: TNodeTreeItem);
+  var
+    TTreeNode: TTopicTreeItem;
+    SubNode: TDomNode;
+  begin
+    TTreeNode := TTopicTreeItem.Create(TDomElement(Node));
+//    TTreeNode.ConnectSelect(@SelectTopic,Node);
+//    TTreeNode.ConnectButtonPressEvent(@PopupTopicMenu,Nil);
+//    Parent.CheckSubItems;
+    Parent.Add(TTreeNode);
+//    TFPGtkTree(Parent.SubTree).Append(TTreeNode);
+//    TTreeNode.Show;
+    SubNode := Node.FirstChild;
+    while (SubNode <> nil) do
+    begin
+      if (SubNode.NodeType = ELEMENT_NODE) and (SubNode.NodeName = 'topic') then
+        DoTopicNode(SubNode as TDomElement, TTreeNode);
+      SubNode := SubNode.NextSibling;
+    end;
+  end;
+
+var
+  Node, SubNode, SSnode: TDomNode;
+  FTreeNode: TPackageTreeItem;
+  MTreeNode: TModuleTreeItem;
+
+begin
+  CurrentModule := nil;
+
+//  FModuleTree.Tree.ClearItems(0,-1);
+  if Assigned(FDescriptionNode) then
+  begin
+    Node := FDescriptionNode.FirstChild;
+    while Assigned(Node) do
+    begin
+      if (Node.NodeType = ELEMENT_NODE) and (Node.NodeName = 'package') then
+      begin
+        writeln('package: ', Node.Attributes.GetNamedItem('name').TextContent);
+        FTreeNode := TPackageTreeItem.Create(TDomElement(Node));
+//        FTreeNode.ConnectSelect(@Selectpackage,Node);
+//        FTreeNode.ConnectButtonPressEvent(@PopupModuleMenu,Nil);
+        FModuleTree.Add(FTreeNode);
+//        FTreeNode.Show;
+        SubNode := Node.FirstChild;
+        while Assigned(SubNode) do
+        begin
+          if (SubNode.NodeType = ELEMENT_NODE) and (SubNode.NodeName = 'module') then
+          begin
+            writeln('  module: ', SubNode.Attributes.GetNamedItem('name').TextContent);
+            if not Assigned(CurrentModule) then
+              CurrentModule := TDomElement(SubNode);
+            MTreeNode := TModuleTreeItem.Create(TDomElement(SubNode));
+//            MtreeNode.ConnectSelect(@SelectModule,SubNode);
+//            MTreeNode.ConnectButtonPressEvent(@PopupModuleMenu,Nil);
+//            FTreeNode.CheckSubtree;
+            FTreeNode.Add(MTreeNode);
+//            TFPGtkTree(FTreeNode.SubTree).Append(MTreeNode);
+            //MTreeNode.Show;
+            SSNode := SubNode.FirstChild;
+            while (SSNode <> nil) do
+            begin
+              if (SSNode.NodeType = ELEMENT_NODE) and (SSNode.NodeName = 'topic') then
+              begin
+                writeln('    topic: ', SSNode.Attributes.GetNamedItem('name').TextContent);
+                DoTopicNode(SSNode as TDomElement, MTreeNode);
+              end;
+              SSNode := SSNode.NextSibling;
+            end;
+          end
+          else if (SubNode.NodeType = ELEMENT_NODE) and (SubNode.NodeName = 'topic') then
+          begin
+            writeln('  topic: ', SubNode.Attributes.GetNamedItem('name').TextContent);
+            DoTopicNode(SubNode as TDomElement,FTreeNode);
+          end;
+          SubNode := SubNode.NextSibling;
+        end;
+      end;
+      Node := Node.NextSibling;
+    end;
+  end;
+//  CurrentModule := Nil;
+  FModified := False;
+end;
+
+procedure TMainForm.GetElementList(List: TStrings);
+var
+  N: TDOMNode;
+begin
+ with List do
+ begin
+   Clear;
+   if Assigned(CurrentModule) then
+   begin
+     N := Currentmodule.FirstChild;
+     while (N <> Nil) do
+     begin
+       if (N is TDomElement) and (N.NodeName = 'element') then
+         Add(TDomElement(N)['name']);
+       N := N.NextSibling;
+     end;
+   end;
+ end;
+end;
+
 constructor TMainForm.Create(AOwner: TComponent);
 begin
   inherited Create(AOwner);
@@ -177,6 +347,16 @@ begin
   Height  := 402;
 
   InitializeComponents;
+  
+  FModuleTree := TObjectList.Create;
+  FElementTree := TObjectList.Create;
+end;
+
+destructor TMainForm.Destroy;
+begin
+  FModuleTree.Free;
+  FElementTree.Free;
+  inherited Destroy;
 end;
 
 end.