private void TestRead()
{
XmlDocument doc;
string strFilename = "Books.xml";
bool b = CreateAndLoadXml(out doc, strFilename);
if (b)
{
Element root = new Element();
root.SetDomDoc(doc);
Element all = root["All"];
if (all.Exists == false)
{
Debug.Print("Error: root does not exists!");
return;
}
Debug.Print("Version : {0}\n", all["Version"].GetInt32(0));
Debug.Print("Books");
Debug.Print("=====");
Element books = all["Books"];
if (books.Exists)
{
List <Element> listBooks = books.GetChildren("Book");
for (int i = 0; i < listBooks.Count; ++i)
{
Debug.Print("ISBN: {0}", listBooks[i].Attr("ISBN").GetString("Error: None"));
Debug.Print("Title: {0}", listBooks[i]["Title"].GetString("Error: No title!"));
Debug.Print("Price: {0}", listBooks[i]["Price"].GetFloat(0.0f));
Debug.Print("Desc: {0}", listBooks[i]["Desc"].GetString("Error: None"));
Debug.Print("AuthorID: {0}\n", listBooks[i]["AuthorID"].GetInt32(-1));
}
}
Debug.Print("Authors");
Debug.Print("=======");
Element authors = all["Authors"];
if (authors.Exists)
{
List <Element> listAuthors = authors.GetChildren("Author");
for (int i = 0; i < listAuthors.Count; ++i)
{
Debug.Print("Name: {0}", listAuthors[i].Attr("Name").GetString("Error: None"));
Debug.Print("AuthorID: {0}", listAuthors[i].Attr("AuthorID").GetInt32(-1));
Debug.Print("Bio: {0}\n", listAuthors[i]["Bio"].GetString("Error: No bio!"));
}
}
var vec = HyperElement.JoinOneToMany(authors.GetChildren("Author"), books.GetChildren("Book"),
(x, y) => x.Attr("AuthorID").GetString("a") == y["AuthorID"].GetString("a"));
for (int i = 0; i < vec.Count; ++i)
{
Debug.Print("List of books by {0}", vec[i].Key.Attr("Name").GetString(""));
Debug.Print("=============================================");
for (int j = 0; j < vec[i].Value.Count; ++j)
{
Debug.Print("{0}", vec[i].Value[j]["Title"].GetString("None"));
}
Debug.Print("");
}
}
//DeleteFile(strFilename);
}
public void NetHyperElementJoinOneToManyPred()
{
XmlDocument doc;
bool created = CreateAndInitDom(out doc);
if (created)
{
Element root = new Element();
root.SetDomDoc(doc);
Element elem1 = root["aa|bb|cc"].CreateNew(null);
elem1.SetInt32(11);
Element elem2 = root["aa|bb|cc"].CreateNew(null);
elem2.SetInt32(22);
Element elem3 = root["aa|bb|cc"].CreateNew(null);
elem3.SetInt32(33);
Element elem4 = root["dd|ee"].CreateNew(null);
elem4.Attr("SomeValue").SetInt32(11);
Element elem5 = root["dd|ee"].CreateNew(null);
elem5.Attr("SomeValue").SetInt32(22);
Element elem6 = root["dd|ee"].CreateNew(null);
elem6.Attr("SomeValue").SetInt32(33);
Element elem7 = root["dd|ee"].CreateNew(null);
elem7.Attr("SomeValue").SetInt32(11);
Element elem8 = root["dd|ee"].CreateNew(null);
elem8.Attr("SomeValue").SetInt32(22);
Element elem9 = root["dd|ee"].CreateNew(null);
elem9.Attr("SomeValue").SetInt32(33);
Element elem10 = root["dd|ee"].CreateNew(null);
elem10.Attr("SomeValue").SetInt32(11);
Element elem11 = root["dd|ee"].CreateNew(null);
elem11.Attr("SomeValue").SetInt32(22);
Element elem12 = root["dd|ee"].CreateNew(null);
elem12.Attr("SomeValue").SetInt32(33);
List <KeyValuePair <Elmax.Element, List <Elmax.Element> > > vec =
HyperElement.JoinOneToMany(
elem1.AsCollection(),
elem4.AsCollection(),
(x, y) => x.GetInt32(0) == y.Attr("SomeValue").GetInt32(1));
Assert.AreEqual(vec.Count, 3);
for (int i = 0; i < vec.Count; ++i)
{
Assert.AreEqual(vec[i].Value.Count, 3);
}
XmlDocument doc2;
Assert.IsTrue(CreateAndLoadXmlString(out doc2, doc.OuterXml));
Element root2 = new Element();
root2.SetDomDoc(doc2);
List <KeyValuePair <Elmax.Element, List <Elmax.Element> > > vec2 =
HyperElement.JoinOneToMany(
root2["aa|bb|cc"].AsCollection(),
root2["dd|ee"].AsCollection(),
(x, y) => x.GetInt32(0) == y.Attr("SomeValue").GetInt32(1));
Assert.AreEqual(vec2.Count, 3);
for (int i = 0; i < vec2.Count; ++i)
{
Assert.AreEqual(vec2[i].Value.Count, 3);
}
}
}