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{
This program takes an W3 IDL XML file with interface definitions and
dumps a interface definition.
}
{$MODE objfpc}
{$H+}
program htdump;
uses sysutils, DOM, xmlread;
Var DoImplementation : Boolean;
procedure DumpNode(node: TDOMNode; spc: String);forward;
procedure DumpMethodNode(node: TDOMElement; spc: String);
var N,NN : TDOMNode;
rettype : DOMString;
firstparam : boolean;
i : longint;
begin
N:=Node.FindNode('returns');
If N<>Nil then
rettype:=TDomElement(N).GetAttribute('type');
If Not DoImplementation then
Write (spc);
If RetType='void' then
Write ('Procedure ')
else
Write ('Function ');
If DoImplementation then
Write(TDomElement(Node.ParentNode).GetAttribute('name'),'.');
Write (Node.GetAttribute('name'));
N:=Node.FindNode('params');
If N<>Nil then
begin
FirstParam:=True;
for I:=1 to N.ChildNodes.Count-1 do
begin
NN:=N.ChildNodes.Item[i];
If NN.NodeName<>'param' then
begin
If Firstparam then
begin
Write('(');
FirstParam:=False
end
else
Write(';');
writeln (spc,NN.NodeName,' : ',TDOMElement(NN).GetAttribute('type'));
end;
end;
If Not FirstParam then
Write (')');
end;
If RetType <>'void' then
Write (' : ',Rettype);
Writeln(';');
If DoImplementation then
begin
Writeln;
Writeln('Begin');
Writeln('End;');
Writeln;
Writeln;
end;
end;
procedure DumpAttributeNode(Doprivate: Boolean;node: TDOMElement; spc: String);
Var PropName : DOMString;
begin
PropName:=Node.GetAttribute('name');
If DOPrivate then
Write (spc,'F')
else
Write (spc,'Property ');
Write (PropName,' : ',Node.getAttribute('type'));
If Not DoPrivate then
begin
Write (' Read F',PropName);
If not(Node.getAttribute('readonly')='yes') then
Write (' Write F',PropName)
end;
Writeln(';');
end;
Procedure DumpInterfaceNode (node : TDomElement; spc : String);
Var N : TDOMNode;
C : TDOMNodeList;
I : longint;
begin
If not DoImplementation then
begin
Write(spc,Node.GetAttribute('name'),' = Class');
N:=Node.Attributes.GetNamedItem('inherits');
If N<>Nil then
Write('(',N.NodeValue,')');
Writeln;
// Dump Property fields
Writeln (Spc+' Private');
N:=Node.FirstChild;
While N<>Nil do
begin
If N.NodeName='attribute' then
DumpAttributeNode(True,TDOMElement(N), spc + ' ');
N:=N.NextSibling;
end;
Writeln (Spc,' Public');
end;
N:=Node.FirstChild;
While N<>Nil do
begin
If N.NodeName='method' then
DumpMethodNode(TDomElement(N), spc + ' ');
N:=N.NextSibling;
end;
If Not DoImplementation then
begin
N:=Node.FirstChild;
While N<>Nil do
begin
If N.NodeName='attribute' then
DumpAttributeNode(False,TDomElement(N), spc + ' ');
N:=N.NextSibling;
end;
writeln (spc,'End;')
end;
end;
procedure DumpNode(node: TDOMNode; spc: String);
var
i: Integer;
attr: TDOMNode;
begin
If Node.NodeName='interface' then
DumpInterfaceNode(TDOMElement(Node),Spc)
else if Node.NodeName='method' then
DumpMethodNode(TDOMELEMENt(Node),Spc)
else if Node.NodeName='attribute' then
DumpAttributeNode(True,TDomelement(node),spc)
else
if node.FirstChild <> nil then
DumpNode(node.FirstChild, spc + ' ');
if node.NextSibling <> nil then
DumpNode(node.NextSibling, spc);
end;
var
i : longint;
xml: TXMLDocument;
begin
if (ParamCount <1) or (paramcount>2) then begin
WriteLn('htdump -m <xml>');
exit;
end;
I:=1;
If paramstr(1)='-m' then
begin
I:=2;
DoImplementation:=True;
end;
ReadXMLFile(xml, ParamStr(i));
WriteLn ('// Created From file ',paramstr(I));
DumpNode(xml, '');
end.
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