private void WriteAttribute(XmlWriter writer, XmlAttribute attribute, List <StyleResource> styleResources)
{
if (ParsingHelper.IsXmlOnlyAttribute(attribute))
{
WriteSpecificAttribute(writer, attribute, styleResources);
}
else
{
if (!string.IsNullOrWhiteSpace(attribute.NamespaceUri))
{
string namespaceUri = attribute.NamespaceUri;
string localName = attribute.LocalName;
string namespaceName = attribute.FullName.Split(':')[0];
if (_nsDictionary.ContainsKey(namespaceUri))
{
namespaceName = _nsDictionary[namespaceUri];
}
else
{
_nsDictionary.Add(namespaceUri, namespaceName);
}
writer.WriteAttributeString(namespaceName, localName, namespaceUri, attribute.Value);
}
else
{
writer.WriteAttributeString(attribute.FullName, attribute.Value);
}
}
}
private void WriteSpecificAttribute(XmlWriter writer, XmlAttribute attribute, List <StyleResource> styleResources)
{
if (ParsingHelper.IsStyleAttribute(attribute))
{
BindingLanguageParser compiler = new BindingLanguageParser();
bool result;
Expression resultExpression = compiler.Parse(attribute.Value, out result);
if (!result)
{
throw new CompileException(string.Format("Can not compile expression {0}", attribute.Value));
}
if (!resultExpression.IsOfType(ExpressionType.Resource))
{
throw new CompileException(string.Format("Expecting resource expression for style, got {0}", attribute.Value));
}
string resourceKey = resultExpression.GetValue(ResourceExpression.KEY);
//find correct resource
StyleResource styleResource = styleResources.FirstOrDefault(x => resourceKey.Equals(x.Key, StringComparison.InvariantCultureIgnoreCase));
if (styleResource == null)
{
throw new IndexOutOfRangeException(string.Format("Resource with key {0} does not exists", resourceKey));
}
foreach (XmlAttribute attr in styleResource.ResourceElement.Attributes.Where(x => !ParsingHelper.IsResourceKeyAttribute(x)))
{
// write all attributes embedded in the style
WriteAttribute(writer, attr, styleResources);
}
}
}
private void WriteAttribute(XmlWriter writer, XmlAttribute attribute, List<StyleResource> styleResources)
{
if (ParsingHelper.IsXmlOnlyAttribute(attribute))
{
WriteSpecificAttribute(writer, attribute, styleResources);
}
else
{
if (!string.IsNullOrWhiteSpace(attribute.NamespaceUri))
{
string namespaceUri = attribute.NamespaceUri;
string localName = attribute.LocalName;
string namespaceName = attribute.FullName.Split(':')[0];
if (_nsDictionary.ContainsKey(namespaceUri))
{
namespaceName = _nsDictionary[namespaceUri];
}
else
{
_nsDictionary.Add(namespaceUri, namespaceName);
}
writer.WriteAttributeString(namespaceName, localName, namespaceUri, attribute.Value);
}
else
{
writer.WriteAttributeString(attribute.FullName, attribute.Value);
}
}
}
public static bool IsStyleAttribute(XmlAttribute attribute)
{
return IsAttributeNamed(attribute, DefaultConfiguration.XmlStyleAttribute);
}
public static bool IsResourceKeyAttribute(XmlAttribute attribute)
{
return IsAttributeNamed(attribute, RESOURCE_KEY_ATTRIBUTE);
}
public static bool IsIdAttribute(XmlAttribute attribute)
{
return IsAttributeNamed(attribute, ID_ATTRIBUTE);
}
public static bool IsCustomAttribute(XmlAttribute attribute)
{
return DefaultConfiguration.CustomAttribute.Any(x => IsAttributeNamed(attribute, x));
}
public static bool IsAttributeWithExpression(XmlAttribute attribute)
{
return IsExpressionValue(attribute.Value);
}
private static bool IsAttributeNamed(XmlAttribute attribute, string name)
{
return name.Equals(attribute.LocalName, StringComparison.InvariantCultureIgnoreCase);
}
public static bool IsXmlOnlyAttribute(XmlAttribute attribute)
{
return DefaultConfiguration.XmlOnlyAttributes.Any(x => IsAttributeNamed(attribute, x));
}
private void WriteSpecificAttribute(XmlWriter writer, XmlAttribute attribute, List<StyleResource> styleResources)
{
if (ParsingHelper.IsStyleAttribute(attribute))
{
BindingLanguageParser compiler = new BindingLanguageParser();
bool result;
Expression resultExpression = compiler.Parse(attribute.Value, out result);
if (!result)
{
throw new CompileException(string.Format("Can not compile expression {0}", attribute.Value));
}
if (!resultExpression.IsOfType(ExpressionType.Resource))
{
throw new CompileException(string.Format("Expecting resource expression for style, got {0}", attribute.Value));
}
string resourceKey = resultExpression.GetValue(ResourceExpression.KEY);
//find correct resource
StyleResource styleResource = styleResources.FirstOrDefault(x => resourceKey.Equals(x.Key, StringComparison.InvariantCultureIgnoreCase));
if (styleResource == null)
{
throw new IndexOutOfRangeException(string.Format("Resource with key {0} does not exists", resourceKey));
}
foreach (XmlAttribute attr in styleResource.ResourceElement.Attributes.Where(x => !ParsingHelper.IsResourceKeyAttribute(x)))
{
// write all attributes embedded in the style
WriteAttribute(writer, attr, styleResources);
}
}
}
