private static void ParseBrushes(ParseContext cxt, XmlDocument dom)
{
foreach (XmlNode brushes in dom.GetElementsByTagName("brushes"))
{
if (brushes is System.Xml.XmlComment)
continue;
foreach (XmlNode brush in brushes.ChildNodes)
{
if (brush is System.Xml.XmlComment)
continue;
String tag = brush.Name;
if (cxt.HasDefine(tag))
{
throw new Exception(String.Format("��ˢ�ڵ�{0}��Ԥ����{1}�Ѵ���!", brush.OuterXml, tag));
}
cxt.AddDefine(tag, cxt.ParseToBrush(brush));
}
}
}
public static List<VectorObject> ParseXMLDom(XmlDocument dom, ParseCallback cbk)
{
ParseContext cxt = new ParseContext();
// Ԥ����Ԥ����ͼ��
ParseShapes(cxt, dom);
// Ԥ����ֵ
ParseValues(cxt, dom);
// Ԥ���ڻ�ˢ
ParseBrushes(cxt, dom);
// Ԥ���ڻ���
ParsePens(cxt, dom);
// Ԥ��������
ParseFonts(cxt, dom);
// ��������ͼ������
return ParseData(cxt, dom, cbk);
}
private static List<VectorObject> ParseData(ParseContext cxt, XmlDocument dom, ParseCallback cbk)
{
XmlNode objects = dom.GetElementsByTagName("vectors").Item(0);
List<VectorObject> list = new List<VectorObject>(objects.ChildNodes.Count);
foreach (XmlNode obj in objects)
{
if (obj is System.Xml.XmlComment)
continue;
VectorObject vo = cxt.ParseToVector(obj, cbk);
// �������֮���������Ƿ��㹻
vo.CheckRequire();
if (vo != null)
list.Add(vo);
}
return list;
}
private static void ParseValues(ParseContext cxt, XmlDocument dom)
{
foreach (XmlNode values in dom.GetElementsByTagName("values"))
{
if (values is System.Xml.XmlComment)
continue;
foreach (XmlNode val in values.ChildNodes)
{
if (val is System.Xml.XmlComment)
continue;
String tag = val.Name;
if (cxt.Values.Contains(tag))
{
throw new Exception(String.Format("ֵ�ڵ�{0}��Ԥ����{1}�Ѵ���!", val.OuterXml, tag));
}
cxt.Values.Add(tag, val);
}
}
}
private static void ParseShapes(ParseContext cxt, XmlDocument dom)
{
foreach (XmlNode shapes in dom.GetElementsByTagName("shapes"))
{
if (shapes is System.Xml.XmlComment)
continue;
foreach (XmlNode shape in shapes.ChildNodes)
{
if (shape is System.Xml.XmlComment)
continue;
String tag = shape.Name;
if (cxt.Shapes.Contains(tag))
{
throw new Exception(String.Format("ͼ�νڵ�{0}��Ԥ����{1}�Ѵ���!", shape.OuterXml, tag));
}
cxt.Shapes.Add(tag, shape);
}
}
}
private static void ParsePens(ParseContext cxt, XmlDocument dom)
{
foreach (XmlNode pens in dom.GetElementsByTagName("pens"))
{
if (pens is System.Xml.XmlComment)
continue;
foreach (XmlNode pen in pens.ChildNodes)
{
if (pen is System.Xml.XmlComment)
continue;
String tag = pen.Name;
if (cxt.HasDefine(tag))
{
throw new Exception(String.Format("���ʽڵ�{0}��Ԥ����{1}�Ѵ���!", pen.OuterXml, tag));
}
cxt.AddDefine(tag, cxt.ParseToPen(pen));
}
}
}
private static void ParseFonts(ParseContext cxt, XmlDocument dom)
{
foreach (XmlNode fonts in dom.GetElementsByTagName("fonts"))
{
if (fonts is System.Xml.XmlComment)
continue;
foreach (XmlNode font in fonts.ChildNodes)
{
if (font is System.Xml.XmlComment)
continue;
String tag = font.Name;
if (cxt.HasDefine(tag))
{
throw new Exception(String.Format("����{0}��Ԥ����{1}�Ѵ���!", font.OuterXml, tag));
}
cxt.AddDefine(tag, cxt.ParseToFont(font));
}
}
}