/// <summary>
/// Gets a mapping from a property on <see cref="ContentData"/> to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type that is being mapped to.</typeparam>
/// <param name="sourcePropertyInfo">The property on the <see cref="ContentData"/>.</param>
/// <param name="propertyInfo">The property on T.</param>
/// <returns>An <see cref="Action"/> that maps a single property on <see cref="ContentData"/> to a single property on an instance of T.</returns>
private static Action <ContentData, T> GetPropertyMapping <T>(PropertyInfo sourcePropertyInfo, PropertyInfo propertyInfo) where T : new()
{
var getProperty = ExpressionUtil.GetPropertyGetter <ContentData>(sourcePropertyInfo);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((contentData, t) =>
{
var value = getProperty(contentData);
setProperty(t, value);
});
}
/// <summary>
/// Gets a mapping from a metadata field on <see cref="ContentData"/> to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type that is being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T.</param>
/// <param name="fieldName">The name of the metadata field to map.</param>
/// <returns>An <see cref="Action"/> that maps a single metadata field on <see cref="ContentData"/> to a single property on an instance of T.</returns>
private static Action <ContentData, T> GetPrimitiveMapping <T>(PropertyInfo propertyInfo, string fieldName) where T : new()
{
var mapToPropertyType = StringMapper.GetMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((contentData, t) =>
{
var metadata = GetMetadata(contentData, fieldName);
var value = mapToPropertyType(metadata.Text);
setProperty(t, value);
});
}
/// <summary>
/// Gets a mapping from a metadata field with multiple values on <see cref="ContentData"/> to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type that is being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T.</param>
/// <param name="fieldName">The name of the metadata field with multiple values to map.</param>
/// <returns>An <see cref="Action"/> that maps a single metadata field on <see cref="ContentData"/> to a single property on an instance of T.</returns>
private static Action <ContentData, T> GetEnumerableMapping <T>(PropertyInfo propertyInfo, string fieldName) where T : new()
{
var mapToPropertyType = StringMapper.GetEnumerableMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((contentData, t) =>
{
var metadata = GetMetadata(contentData, fieldName);
var rawValues = metadata.Text.Split(metadata.Separator[0]);
var values = mapToPropertyType(rawValues);
setProperty(t, values);
});
}
/// <summary>
/// Gets a mapping from multiple matching elements Smart Form XML elements to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T being mapped to.</param>
/// <param name="xpath">The xpath for the field values being mapped.</param>
/// <returns>An <see cref="Action"/> that maps an multiple matching fields from the Smart Form XML to a property on an instance of T.</returns>
private static Action <XNode, T> GetEnumerableMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var mapToPropertyType = StringMapper.GetEnumerableMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((xml, t) =>
{
var elements = xml.XPathSelectElements(xpath).ToList();
if (!elements.Any())
{
return;
}
var rawValues = elements.Select(GetXmlInnerText).ToList();
var values = mapToPropertyType(rawValues);
setProperty(t, values);
});
}
/// <summary>
/// Gets a mapping from a single Smart Form XML element to a property on an instance of T.
/// </summary>
/// <typeparam name="T">The type being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T being mapped to.</param>
/// <param name="xpath">The xpath for the field values being mapped.</param>
/// <returns>An <see cref="Action"/> that maps a field value from the Smart Form XML to a property on an instance of T.</returns>
private static Action <XNode, T> GetSingleMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var mapToPropertyType = StringMapper.GetMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((xml, t) =>
{
var element = xml.XPathSelectElement(xpath);
if (element == null)
{
return;
}
var text = GetXmlInnerText(element);
var value = mapToPropertyType(text);
setProperty(t, value);
});
}
private static Action <XNode, T> GetPropertyMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var mapToPropertyType = StringMapper.GetMapping(propertyInfo.PropertyType);
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
return((xml, t) =>
{
var attrResult = (IEnumerable)xml.XPathEvaluate(xpath);
var attr = attrResult.Cast <XAttribute>().FirstOrDefault();
if (attr == null)
{
return;
}
var value = mapToPropertyType(attr.Value);
setProperty(t, value);
});
}
/// <summary>
/// Gets a mapping for a multiple sections (including properties on the object itself) of Smart Form XML onto a given property.
/// </summary>
/// <typeparam name="T">The type being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T.</param>
/// <param name="xpath">The xpath representing the XML section to map.</param>
/// <returns>An <see cref="Action"/> that maps a single Smart Form XML branch onto an instance of type T.</returns>
public static Action <XNode, T> GetEnumerableMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var propertyType = propertyInfo.PropertyType.GetGenericArguments().First();
var setProperty = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
var getObjectCreatorMethod = typeof(SmartFormObjectMapper)
.GetMethod("GetEnumerableObjectCreator", BindingFlags.NonPublic | BindingFlags.Static)
.MakeGenericMethod(propertyType);
var objectCreator = ExpressionUtil.GetMappingFromMethod <IEnumerable <XNode> >(getObjectCreatorMethod);
return((xml, t) =>
{
var elements = xml.XPathSelectElements(xpath).ToList();
if (!elements.Any())
{
return;
}
var obj = objectCreator(elements);
setProperty(t, obj);
});
}
/// <summary>
/// Gets a mapping for a single section (including properties on the object itself) of Smart Form XML onto a given property.
/// </summary>
/// <typeparam name="T">The type being mapped to.</typeparam>
/// <param name="propertyInfo">The property on T.</param>
/// <param name="xpath">The xpath representing the XML section to map.</param>
/// <returns>An <see cref="Action"/> that maps a single Smart Form XML branch onto an instance of type T.</returns>
public static Action <XNode, T> GetSingleMapping <T>(PropertyInfo propertyInfo, string xpath) where T : new()
{
var propertyType = propertyInfo.PropertyType;
var setter = ExpressionUtil.GetPropertySetter <T>(propertyInfo);
var getObjectCreatorMethod = typeof(SmartFormObjectMapper)
.GetMethod("GetObjectCreator", BindingFlags.NonPublic | BindingFlags.Static)
.MakeGenericMethod(propertyType);
var objectCreator = ExpressionUtil.GetMappingFromMethod <XNode>(getObjectCreatorMethod);
return((xml, t) =>
{
var element = xml.XPathSelectElement(xpath);
if (element == null)
{
return;
}
var obj = objectCreator(element);
setter(t, obj);
});
}
