public List <Gemstones> Search(Gemstones gemstone)
{
var doc = XDocument.Load(@"H:\visual_studio_c#\XmlLab3\XmlLab3\Gemstones.xml");
List <Gemstones> OurResult = new List <Gemstones>();
var result = from obj in doc.Descendants("Gemstone")
where
((obj.Attribute("Type").Value.Equals(gemstone.Type) || gemstone.Type.Equals(String.Empty)) &&
(obj.Attribute("Category").Value.Equals(gemstone.Category) || gemstone.Category.Equals(String.Empty)) &&
(obj.Attribute("Hardness").Value.Equals(gemstone.Hardness) || gemstone.Hardness.Equals(String.Empty)) &&
(obj.Attribute("Density").Value.Equals(gemstone.Density) || gemstone.Density.Equals(String.Empty)) &&
(obj.Attribute("Mineral").Value.Equals(gemstone.Mineral) || gemstone.Mineral.Equals(String.Empty)) &&
(obj.Attribute("Color").Value.Equals(gemstone.Color) || gemstone.Color.Equals(String.Empty)))
select new
{
type = (string)obj.Attribute("Type"),
category = (string)obj.Attribute("Category"),
hardness = (string)obj.Attribute("Hardness"),
density = (string)obj.Attribute("Density"),
mineral = (string)obj.Attribute("Mineral"),
color = (string)obj.Attribute("Color")
};
foreach (var res in result)
{
Gemstones ourGemstone = new Gemstones();
ourGemstone.Type = res.type;
ourGemstone.Category = res.category;
ourGemstone.Density = res.density;
ourGemstone.Hardness = res.hardness;
ourGemstone.Mineral = res.mineral;
ourGemstone.Color = res.color;
OurResult.Add(ourGemstone);
}
return(OurResult);
}
public List <Gemstones> Search(Gemstones gemstones)
{
List <Gemstones> OurResult = new List <Gemstones>();
XmlDocument doc = new XmlDocument();
doc.Load(@"H:\visual_studio_c#\XmlLab3\XmlLab3\Gemstones.xml");
XmlNode node = doc.DocumentElement;
foreach (XmlNode nod in node.ChildNodes)
{
string Type = "";
string Category = "";
string Density = "";
string Mineral = "";
string Hardness = "";
string Color = "";
foreach (XmlAttribute attribute in nod.Attributes)
{
if (attribute.Name.Equals("Type") && (attribute.Value.Equals(gemstones.Type) || gemstones.Type.Equals(String.Empty)))
{
Type = attribute.Value;
}
if (attribute.Name.Equals("Category") && (attribute.Value.Equals(gemstones.Category) || gemstones.Category.Equals(String.Empty)))
{
Category = attribute.Value;
}
if (attribute.Name.Equals("Density") && (attribute.Value.Equals(gemstones.Density) || gemstones.Density.Equals(String.Empty)))
{
Density = attribute.Value;
}
if (attribute.Name.Equals("Mineral") && (attribute.Value.Equals(gemstones.Mineral) || gemstones.Mineral.Equals(String.Empty)))
{
Mineral = attribute.Value;
}
if (attribute.Name.Equals("Hardness") && (attribute.Value.Equals(gemstones.Hardness) || gemstones.Hardness.Equals(String.Empty)))
{
Hardness = attribute.Value;
}
if (attribute.Name.Equals("Color") && (attribute.Value.Equals(gemstones.Color) || gemstones.Color.Equals(String.Empty)))
{
Color = attribute.Value;
}
}
if (Type != "" && Category != "" && Density != "" && Mineral != "" && Hardness != "" && Color != "")
{
Gemstones ourGemstone = new Gemstones();
ourGemstone.Type = Type;
ourGemstone.Category = Category;
ourGemstone.Density = Density;
ourGemstone.Mineral = Mineral;
ourGemstone.Hardness = Hardness;
ourGemstone.Color = Color;
OurResult.Add(ourGemstone);
}
}
return(OurResult);
}
private void Search()
{
try
{
FoundRichTextBox.Text = "";
Gemstones gemstone = new Gemstones();
if (TypeCheckBox.Checked)
{
gemstone.Type = TypeComboBox.SelectedItem.ToString();
}
if (CategoryCheckBox.Checked)
{
gemstone.Category = CategoryComboBox.SelectedItem.ToString();
}
if (HardnessCheckBox.Checked)
{
gemstone.Hardness = HardnessComboBox.SelectedItem.ToString();
}
if (DensityCheckBox.Checked)
{
gemstone.Density = DensityComboBox.SelectedItem.ToString();
}
if (ColorCheckBox.Checked)
{
gemstone.Color = ColorComboBox.SelectedItem.ToString();
}
if (MineralCheckBox.Checked)
{
gemstone.Mineral = MineralComboBox.SelectedItem.ToString();
}
ISearchAlgorithmStrategy myStrategy = new DOMSearchAlgorithmStrategy();
if (DOMRadioButton.Checked)
{
myStrategy = new DOMSearchAlgorithmStrategy();
}
if (SAXRadioButton.Checked)
{
myStrategy = new SAXSearchAlgorithmStrategy();
}
if (LinqToXMLRadioButton.Checked)
{
myStrategy = new LinqToXMLSearchAlgorithmStrategy();
}
List <Gemstones> result = SearchWithStrategy(myStrategy, gemstone);
foreach (Gemstones res in result)
{
FoundRichTextBox.Text += "Type: " + res.Type + '\n';
FoundRichTextBox.Text += "Category: " + res.Category + '\n';
FoundRichTextBox.Text += "Density: " + res.Density + '\n';
FoundRichTextBox.Text += "Hardness: " + res.Hardness + '\n';
FoundRichTextBox.Text += "Mineral: " + res.Mineral + '\n';
FoundRichTextBox.Text += "Color: " + res.Color + '\n';
FoundRichTextBox.Text += "\n\n";
}
}
catch (NullReferenceException)
{
MessageBox.Show("Error! Enter data!");
}
}
public List <Gemstones> Search(Gemstones gemstone)
{
List <Gemstones> OurResult = new List <Gemstones>();
var xmlReader = new XmlTextReader(@"H:\visual_studio_c#\XmlLab3\XmlLab3\Gemstones.xml");
while (xmlReader.Read())
{
if (xmlReader.HasAttributes)
{
while (xmlReader.MoveToNextAttribute())
{
string Type = "";
string Category = "";
string Density = "";
string Mineral = "";
string Hardness = "";
string Color = "";
if (xmlReader.Name.Equals("Type") && (xmlReader.Value.Equals(gemstone.Type) || gemstone.Type.Equals(String.Empty)))
{
Type = xmlReader.Value;
xmlReader.MoveToNextAttribute();
if (xmlReader.Name.Equals("Category") && (xmlReader.Value.Equals(gemstone.Category) || gemstone.Category.Equals(String.Empty)))
{
Category = xmlReader.Value;
xmlReader.MoveToNextAttribute();
if (xmlReader.Name.Equals("Density") && (xmlReader.Value.Equals(gemstone.Density) || gemstone.Density.Equals(String.Empty)))
{
Density = xmlReader.Value;
xmlReader.MoveToNextAttribute();
if (xmlReader.Name.Equals("Mineral") && (xmlReader.Value.Equals(gemstone.Mineral) || gemstone.Mineral.Equals(String.Empty)))
{
Mineral = xmlReader.Value;
xmlReader.MoveToNextAttribute();
if (xmlReader.Name.Equals("Hardness") && (xmlReader.Value.Equals(gemstone.Hardness) || gemstone.Hardness.Equals(String.Empty)))
{
Hardness = xmlReader.Value;
xmlReader.MoveToNextAttribute();
if (xmlReader.Name.Equals("Color") && (xmlReader.Value.Equals(gemstone.Color) || gemstone.Color.Equals(String.Empty)))
{
Color = xmlReader.Value;
xmlReader.MoveToNextAttribute();
}
}
}
}
}
}
if (Type != "" && Category != "" && Density != "" && Mineral != "" && Hardness != "" && Color != "")
{
Gemstones ourGemstone = new Gemstones();
ourGemstone.Type = Type;
ourGemstone.Category = Category;
ourGemstone.Density = Density;
ourGemstone.Mineral = Mineral;
ourGemstone.Hardness = Hardness;
ourGemstone.Color = Color;
OurResult.Add(ourGemstone);
}
}
}
}
xmlReader.Close();
return(OurResult);
}
private List <Gemstones> SearchWithStrategy(ISearchAlgorithmStrategy myStrategy, Gemstones gemstone)
{
return(myStrategy.Search(gemstone));
}
