///////////////////////////////////////////////////////////////////////
/// <summary>Returns the value of the first attribute of type
/// intUnit, floatUnit or numberUnit with this name.</summary>
/// <param name="name">attribute name</param>
/// <returns>the value of the first attribute, or null</returns>
///////////////////////////////////////////////////////////////////////
public NumberUnit GetNumberUnitAttribute(string name)
{
GBaseAttribute attribute = GetAttribute(name,
GBaseAttributeType.NumberUnit);
return(toNumberUnit(attribute));
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a shipping object given a shipping attribute.
/// </summary>
/// <exception cref="ArgumentException">If the attribute
/// type is not 'shipping' or unknown</exception>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Shipping(GBaseAttribute attribute)
{
GBaseAttributeType type = attribute.Type;
if (type != null && type != GBaseAttributeType.Shipping)
{
throw new ArgumentException("Expected an attribute of " +
"type 'shipping', got an attribute of type '" + type + "'");
}
this.country = GetRequiredAttribute(attribute, "country");
this.service = GetRequiredAttribute(attribute, "service");
string priceString = GetRequiredAttribute(attribute, "price");
try
{
FloatUnit priceUnit = new FloatUnit(priceString);
this.price = priceUnit.Value;
this.currency = priceUnit.Unit;
}
catch (FormatException)
{
this.price = NumberFormat.ToFloat(priceString);
this.currency = null;
}
}
private String ExtractContent(GBaseAttribute attribute)
{
if (attribute == null)
{
return(null);
}
return(attribute.Content);
}
///////////////////////////////////////////////////////////////////////
/// <summary>Parses an XML node and create the corresponding
/// GBaseAttribute.</summary>
///////////////////////////////////////////////////////////////////////
public static GBaseAttribute ParseGBaseAttribute(XmlNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
GBaseAttribute attribute = new GBaseAttribute();
attribute.Name = FromXmlTagName(node.LocalName);
String value = Utilities.GetAttributeValue("type", node);
if (value != null)
{
attribute.Type = GBaseAttributeType.ForName(value);
}
value = Utilities.GetAttributeValue("access", node);
attribute.IsPrivate = "private".Equals(value);
foreach (XmlNode child in node.ChildNodes)
{
if (child.NodeType == XmlNodeType.Element)
{
bool parsed = false;
if (child.NamespaceURI == GBaseNameTable.NSGBaseMeta)
{
object localName = child.LocalName;
if (localName.Equals("adjusted_name"))
{
attribute.AdjustedName = child.InnerText;
parsed = true;
}
else if (localName.Equals("adjusted_value"))
{
attribute.AdjustedValue = child.InnerText;
parsed = true;
}
}
// Keep everything else as XML
if (!parsed)
{
attribute[child.LocalName] = child.InnerXml;
}
}
}
// If there are sub-elements, set the Content to null unless
// there is clearly something in there.
string content = ExtractDirectTextChildren(node);
if (!"".Equals(content.Trim(kXmlWhitespaces)))
{
attribute.Content = content;
}
return(attribute);
}
private static string GetRequiredAttribute(GBaseAttribute attribute, string name)
{
string value = attribute[name];
if (value == null)
{
throw new FormatException("Missing sub-element for shipping attribute: " + name);
}
return(value);
}
//////////////////////////////////////////////////////////////////////
/// <summary>Extracts location information from an attribute.
/// </summary>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Location(GBaseAttribute attribute)
{
this.address = attribute.Content;
if (attribute["latitude"] != null && attribute["longitude"] != null)
{
this.latitude = NumberFormat.ToFloat(attribute["latitude"]);
this.longitude = NumberFormat.ToFloat(attribute["longitude"]);
this.hasCoordinates = true;
}
}
///////////////////////////////////////////////////////////////////////
/// <summary>Adds an attribute at the end of the list.
/// The might exist attributes with the same name, type and even
/// value. This method will not remove them.</summary>
/// <param name="name">attribute name</param>
/// <param name="type">attribute type</param>
/// <param name="content">value, as a string</param>
///////////////////////////////////////////////////////////////////////
public GBaseAttribute Add(String name,
GBaseAttributeType type,
String content)
{
GBaseAttribute attribute =
new GBaseAttribute(name, type, content);
Add(attribute);
return(attribute);
}
//////////////////////////////////////////////////////////////////////
/// <summary>Returns the object representation of an attribute
/// of type location with this name.</summary>
//////////////////////////////////////////////////////////////////////
public Location GetLocationAttributeAsObject(string name)
{
GBaseAttribute attribute = GetAttribute(name, GBaseAttributeType.Location);
if (attribute == null)
{
return(null);
}
return(new Location(attribute));
}
//////////////////////////////////////////////////////////////////////
/// <summary>Returns the object representation for an attribute
/// of type shipping.</summary>
//////////////////////////////////////////////////////////////////////
public Shipping GetShippingAttribute(string name)
{
GBaseAttribute attribute = GetAttribute(name, GBaseAttributeType.Shipping);
if (attribute == null)
{
return(null);
}
return(new Shipping(attribute));
}
//////////////////////////////////////////////////////////////////////
/// <summary>Extracts location information from an attribute.
/// </summary>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Location(GBaseAttribute attribute)
{
this.address = attribute.Content;
if (attribute["latitude"] != null && attribute["longitude"] != null)
{
this.latitude = NumberFormat.ToFloat(attribute["latitude"]);
this.longitude = NumberFormat.ToFloat(attribute["longitude"]);
this.hasCoordinates = true;
}
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a GBaseAttribute of type location corresponding
/// to the current object.</summary>
/// <param name="name">attribute name</param>
//////////////////////////////////////////////////////////////////////
public GBaseAttribute CreateGBaseAttribute(string name)
{
GBaseAttribute retval = new GBaseAttribute(name, GBaseAttributeType.Location);
retval.Content = address;
if (hasCoordinates)
{
retval["latitude"] = NumberFormat.ToString(latitude);
retval["longitude"] = NumberFormat.ToString(longitude);
}
return retval;
}
private NumberUnit toNumberUnit(GBaseAttribute attribute)
{
if (attribute == null)
{
return(null);
}
if (attribute.Type == GBaseAttributeType.IntUnit)
{
return(new IntUnit(attribute.Content));
}
return(new FloatUnit(attribute.Content));
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a GBaseAttribute of type location corresponding
/// to the current object.</summary>
/// <param name="name">attribute name</param>
//////////////////////////////////////////////////////////////////////
public GBaseAttribute CreateGBaseAttribute(string name)
{
GBaseAttribute retval = new GBaseAttribute(name, GBaseAttributeType.Location);
retval.Content = address;
if (hasCoordinates)
{
retval["latitude"] = NumberFormat.ToString(latitude);
retval["longitude"] = NumberFormat.ToString(longitude);
}
return(retval);
}
public override void SetUp()
{
base.SetUp();
aInt = new GBaseAttribute("a", GBaseAttributeType.Int, "12");
aFloat = new GBaseAttribute("a", GBaseAttributeType.Float, "3.14");
largeFloat = new GBaseAttribute("large", GBaseAttributeType.Float, "10000000");
aNumber = new GBaseAttribute("a", GBaseAttributeType.Number, "2.7");
attrs.Add(aInt);
attrs.Add(aFloat);
attrs.Add(aNumber);
attrs.Add(largeFloat);
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a GBaseAttribute of type shipping corresponding
/// to the current object.</summary>
/// <param name="name">attribute name</param>
//////////////////////////////////////////////////////////////////////
public GBaseAttribute CreateGBaseAttribute(string name)
{
GBaseAttribute retval = new GBaseAttribute(name, GBaseAttributeType.Shipping);
retval["country"] = country;
retval["service"] = service;
if (currency != null)
{
retval["price"] = price + " " + currency;
}
else
{
retval["price"] = NumberFormat.ToString(price);
}
return(retval);
}
///////////////////////////////////////////////////////////////////////
/// <summary>Compares two attribute names, types, content and
/// private flag.</summary>
///////////////////////////////////////////////////////////////////////
public override bool Equals(object o)
{
if (!(o is GBaseAttribute))
{
return(false);
}
if (Object.ReferenceEquals(this, o))
{
return(true);
}
GBaseAttribute other = o as GBaseAttribute;
return(name == other.name && type == other.type &&
content == other.content && isPrivate == other.isPrivate &&
adjustedName == other.adjustedName && adjustedValue == other.adjustedValue &&
HashTablesEquals(subElements, other.subElements));
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a shipping object given a shipping attribute.
/// </summary>
/// <exception cref="ArgumentException">If the attribute
/// type is not 'shipping' or unknown</exception>
/// <exception cref="FormatException">If the attribute contains
/// invalid sub-elements or lacks required sub-elements</exception>
//////////////////////////////////////////////////////////////////////
public Shipping(GBaseAttribute attribute)
{
GBaseAttributeType type = attribute.Type;
if (type != null && type != GBaseAttributeType.Shipping)
{
throw new ArgumentException("Expected an attribute of " +
"type 'shipping', got an attribute of type '" + type + "'");
}
this.country = GetRequiredAttribute(attribute, "country");
this.service = GetRequiredAttribute(attribute, "service");
string priceString = GetRequiredAttribute(attribute, "price");
try
{
FloatUnit priceUnit = new FloatUnit(priceString);
this.price = priceUnit.Value;
this.currency = priceUnit.Unit;
}
catch (FormatException)
{
this.price = NumberFormat.ToFloat(priceString);
this.currency = null;
}
}
public void TestContainsAndEqual()
{
GBaseAttribute anAttr =
new GBaseAttribute("w", GBaseAttributeType.Boolean);
GBaseAttribute sameAttr =
new GBaseAttribute("w", GBaseAttributeType.Boolean);
attrs.Add(anAttr);
Assert.IsTrue(attrs.Contains(sameAttr));
}
///////////////////////////////////////////////////////////////////////
/// <summary>Checks whether an attribute can be found in the element.
/// This method looks for an attribute with the exact same name, type
/// and content.</summary>
/// <returns>true if the attribute exists</returns>
///////////////////////////////////////////////////////////////////////
public bool Contains(GBaseAttribute value)
{
return extensionElements.Contains(value);
}
private void AssertRereadIsSame(GBaseAttribute attribute)
{
StringWriter sw = new StringWriter();
XmlWriter writer = new XmlTextWriter(sw);
attribute.Save(writer);
writer.Close();
GBaseAttribute parsed = Parse(sw.ToString());
Assert.AreEqual(attribute.Name, parsed.Name, "name");
Assert.AreEqual(attribute.Type, parsed.Type, "type");
Assert.AreEqual(attribute.Content, parsed.Content, "content");
Assert.AreEqual(attribute.IsPrivate, parsed.IsPrivate, "private");
Assert.AreEqual(attribute, parsed, "GBaseAttribute.Equals()");
}
public void GeneratePrivateTest()
{
GBaseAttribute attribute = new GBaseAttribute("bozo",
GBaseAttributeType.Int,
"oops !");
attribute.IsPrivate = true;
AssertRereadIsSame(attribute);
}
public void RemoveSubElementsTest()
{
GBaseAttribute attribute = new GBaseAttribute("x");
Assert.IsFalse(attribute.HasSubElements, "HasSubElements(Unset)");
attribute["a"] = "hello";
Assert.IsTrue(attribute.HasSubElements, "HasSubElements(Set)");
attribute["a"] = null;
Assert.IsFalse(attribute.HasSubElements, "HasSubElements(Removed)");
// Make sure this can be set without exceptions
attribute.Content = "hello";
}
///////////////////////////////////////////////////////////////////////
/// <summary>Parses an XML node and create the corresponding
/// GBaseAttribute.</summary>
///////////////////////////////////////////////////////////////////////
public static GBaseAttribute ParseGBaseAttribute(XmlNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
GBaseAttribute attribute = new GBaseAttribute();
attribute.Name = FromXmlTagName(node.LocalName);
String value = Utilities.GetAttributeValue("type", node);
if (value != null)
{
attribute.Type = GBaseAttributeType.ForName(value);
}
value = Utilities.GetAttributeValue("access",node);
attribute.IsPrivate = "private".Equals(value);
foreach (XmlNode child in node.ChildNodes)
{
if (child.NodeType == XmlNodeType.Element)
{
bool parsed = false;
if (child.NamespaceURI == GBaseNameTable.NSGBaseMeta)
{
object localName = child.LocalName;
if (localName.Equals("adjusted_name"))
{
attribute.AdjustedName = child.InnerText;
parsed = true;
}
else if (localName.Equals("adjusted_value"))
{
attribute.AdjustedValue = child.InnerText;
parsed = true;
}
}
// Keep everything else as XML
if (!parsed)
{
attribute[child.LocalName] = child.InnerXml;
}
}
}
// If there are sub-elements, set the Content to null unless
// there is clearly something in there.
string content = ExtractDirectTextChildren(node);
if (!"".Equals(content.Trim(kXmlWhitespaces)))
{
attribute.Content = content;
}
return attribute;
}
///////////////////////////////////////////////////////////////////////
/// <summary>Adds an attribute at the end of the list.
/// The might exist attributes with the same name, type and even
/// value. This method will not remove them.</summary>
///////////////////////////////////////////////////////////////////////
public GBaseAttribute Add(GBaseAttribute value)
{
extensionElements.Add(value);
return(value);
}
public override void SetUp()
{
base.SetUp();
aFloatUnit = new GBaseAttribute("a",
GBaseAttributeType.FloatUnit,
aFloatUnitValue.ToString());
aIntUnit = new GBaseAttribute("a",
GBaseAttributeType.IntUnit,
aIntUnitValue.ToString());
aNumberUnit = new GBaseAttribute("a",
GBaseAttributeType.NumberUnit,
aNumberUnitValue.ToString());
attrs.Add(aFloatUnit);
attrs.Add(aIntUnit);
attrs.Add(aNumberUnit);
}
private NumberUnit toNumberUnit(GBaseAttribute attribute)
{
if (attribute == null)
{
return null;
}
if (attribute.Type == GBaseAttributeType.IntUnit)
{
return new IntUnit(attribute.Content);
}
return new FloatUnit(attribute.Content);
}
private static string GetRequiredAttribute(GBaseAttribute attribute, string name)
{
string value = attribute[name];
if (value == null)
{
throw new FormatException("Missing sub-element for shipping attribute: " + name);
}
return value;
}
//////////////////////////////////////////////////////////////////////
/// <summary>Creates a GBaseAttribute of type shipping corresponding
/// to the current object.</summary>
/// <param name="name">attribute name</param>
//////////////////////////////////////////////////////////////////////
public GBaseAttribute CreateGBaseAttribute(string name)
{
GBaseAttribute retval = new GBaseAttribute(name, GBaseAttributeType.Shipping);
retval["country"] = country;
retval["service"] = service;
if (currency != null)
{
retval["price"] = price + " " + currency;
}
else
{
retval["price"] = NumberFormat.ToString(price);
}
return retval;
}
public void GetAttributesWithSubtypes()
{
GBaseAttribute aInt =
new GBaseAttribute("a", GBaseAttributeType.Int, "12");
GBaseAttribute aFloat =
new GBaseAttribute("a", GBaseAttributeType.Float, "3.14");
GBaseAttribute aNumber =
new GBaseAttribute("a", GBaseAttributeType.Number, "2.7");
attrs.Add(aInt);
attrs.Add(aFloat);
attrs.Add(aNumber);
Assert.AreEqual(3, attrs.GetAttributes("a").Count, "by name");
Assert.AreEqual(3, attrs.GetAttributes("a", GBaseAttributeType.Number).Count,
"type=number");
Assert.AreEqual(1, attrs.GetAttributes("a", GBaseAttributeType.Float).Count,
"type=float");
Assert.AreEqual(1, attrs.GetAttributes("a", GBaseAttributeType.Int).Count,
"type=int");
Assert.AreEqual(aInt, attrs.GetAttribute("a", GBaseAttributeType.Int));
Assert.AreEqual(aFloat, attrs.GetAttribute("a", GBaseAttributeType.Float));
Assert.AreEqual(aInt, attrs.GetAttribute("a", GBaseAttributeType.Number));
attrs.Remove(aInt);
Assert.AreEqual(null, attrs.GetAttribute("a", GBaseAttributeType.Int));
Assert.AreEqual(aFloat, attrs.GetAttribute("a", GBaseAttributeType.Number));
attrs.Remove(aFloat);
Assert.AreEqual(null, attrs.GetAttribute("a", GBaseAttributeType.Float));
Assert.AreEqual(aNumber, attrs.GetAttribute("a", GBaseAttributeType.Number));
}
///////////////////////////////////////////////////////////////////////
/// <summary>Remove a specific attribute, if it's there.</summary>
/// <param name="attribute">attribute to remove</param>
///////////////////////////////////////////////////////////////////////
public void Remove(GBaseAttribute attribute)
{
extensionElements.Remove(attribute);
}
private bool HasNameAndType(GBaseAttribute attr,
String name,
GBaseAttributeType type)
{
return(name == attr.Name && (type == null || type.IsSupertypeOf(attr.Type)));
}
///////////////////////////////////////////////////////////////////////
/// <summary>Reads an attribute from XML and add it.</summary>
///////////////////////////////////////////////////////////////////////
public void AddFromXml(XmlNode node)
{
Add(GBaseAttribute.ParseGBaseAttribute(node));
}
public void GenerateSubElementsAndContentTest()
{
GBaseAttribute attribute = new GBaseAttribute("x");
attribute.Content = "x";
attribute["a"] = "b";
attribute["c"] = "d";
AssertRereadIsSame(attribute);
}
public void ReReadAdjustedNameAndValueTest()
{
GBaseAttribute attribute = new GBaseAttribute("x");
attribute.AdjustedName = "hello";
attribute.AdjustedValue = "world";
AssertRereadIsSame(attribute);
}
///////////////////////////////////////////////////////////////////////
/// <summary>Checks whether an attribute can be found in the element.
/// This method looks for an attribute with the exact same name, type
/// and content.</summary>
/// <returns>true if the attribute exists</returns>
///////////////////////////////////////////////////////////////////////
public bool Contains(GBaseAttribute value)
{
return(extensionElements.Contains(value));
}
private bool HasNameAndType(GBaseAttribute attr,
String name,
GBaseAttributeType type)
{
return name == attr.Name && (type == null || type.IsSupertypeOf(attr.Type));
}
public void ContentAndSubElementsTest()
{
GBaseAttribute attribute = new GBaseAttribute("x");
attribute["a"] = "b";
attribute.Content = "c";
Assert.AreEqual("c", attribute.Content);
Assert.AreEqual("b", attribute["a"]);
}
///////////////////////////////////////////////////////////////////////
/// <summary>Adds an attribute at the end of the list.
/// The might exist attributes with the same name, type and even
/// value. This method will not remove them.</summary>
///////////////////////////////////////////////////////////////////////
public GBaseAttribute Add(GBaseAttribute value)
{
extensionElements.Add(value);
return value;
}
public void SubElementsTest()
{
GBaseAttribute attribute = new GBaseAttribute("x");
Assert.IsFalse(attribute.HasSubElements, "HasSubElements(1)");
attribute["a"] = "b";
attribute["c"] = "d";
Assert.IsTrue(attribute.HasSubElements, "HasSubElements(2)");
Assert.AreEqual("b", attribute["a"], "a");
Assert.AreEqual("d", attribute["c"], "c");
}
///////////////////////////////////////////////////////////////////////
/// <summary>Adds an attribute at the end of the list.
/// The might exist attributes with the same name, type and even
/// value. This method will not remove them.</summary>
/// <param name="name">attribute name</param>
/// <param name="type">attribute type</param>
/// <param name="content">value, as a string</param>
///////////////////////////////////////////////////////////////////////
public GBaseAttribute Add(String name,
GBaseAttributeType type,
String content)
{
GBaseAttribute attribute =
new GBaseAttribute(name, type, content);
Add(attribute);
return attribute;
}
private String ExtractContent(GBaseAttribute attribute)
{
if (attribute == null)
{
return null;
}
return attribute.Content;
}
///////////////////////////////////////////////////////////////////////
/// <summary>Remove a specific attribute, if it's there.</summary>
/// <param name="attribute">attribute to remove</param>
///////////////////////////////////////////////////////////////////////
public void Remove(GBaseAttribute attribute)
{
extensionElements.Remove(attribute);
}
