protected override object HandleDictionaryType(object currentObj, HandleModelAttributesContext context)
{
Func <object, object> handler = s => Handler.Handle(s, context);
HandleGenericItemsHelper.HandleIDictionary(currentObj, s => Handler.Handle(s, context));
return(currentObj);
}
private string GetHrefFromRoot(string originalHref, HandleModelAttributesContext context)
{
if (context.FileAndType == null || string.IsNullOrEmpty(originalHref) || !RelativePath.IsRelativePath(originalHref))
{
return(originalHref);
}
var result = originalHref;
var ft = context.FileAndType;
var path = (RelativePath)ft.File + (RelativePath)UriUtility.GetPath(originalHref);
var file = path.GetPathFromWorkingFolder().UrlDecode();
if (context.Host.SourceFiles.ContainsKey(file))
{
result = file.UrlEncode().ToString() + UriUtility.GetQueryStringAndFragment(originalHref);
}
List <LinkSourceInfo> sources;
if (!context.FileLinkSources.TryGetValue(file, out sources))
{
sources = new List <LinkSourceInfo>();
context.FileLinkSources[file] = sources;
}
sources.Add(new LinkSourceInfo
{
Target = file,
Anchor = UriUtility.GetFragment(originalHref),
SourceFile = ft.File,
});
context.LinkToFiles.Add(file);
return(result);
}
protected virtual void BuildArticleCore(IHostService host, FileModel model, IModelAttributeHandler handlers = null, HandleModelAttributesContext handlerContext = null, bool shouldSkipMarkup = false)
{
if (handlers == null)
{
handlers = _defaultHandler;
}
if (handlerContext == null)
{
handlerContext = new HandleModelAttributesContext
{
EnableContentPlaceholder = false,
Host = host,
FileAndType = model.OriginalFileAndType,
SkipMarkup = shouldSkipMarkup,
};
}
handlers.Handle(model.Content, handlerContext);
model.LinkToUids = model.LinkToUids.Union(handlerContext.LinkToUids);
model.LinkToFiles = model.LinkToFiles.Union(handlerContext.LinkToFiles);
model.FileLinkSources = model.FileLinkSources.ToDictionary(v => v.Key, v => v.Value.ToList())
.Merge(handlerContext.FileLinkSources.Select(i => new KeyValuePair <string, IEnumerable <LinkSourceInfo> >(i.Key, i.Value)))
.ToImmutableDictionary(v => v.Key, v => v.Value.ToImmutableList());
model.UidLinkSources = model.UidLinkSources.ToDictionary(v => v.Key, v => v.Value.ToList())
.Merge(handlerContext.UidLinkSources.Select(i => new KeyValuePair <string, IEnumerable <LinkSourceInfo> >(i.Key, i.Value)))
.ToImmutableDictionary(v => v.Key, v => v.Value.ToImmutableList());
}
public object Handle(object obj, HandleModelAttributesContext context)
{
if (obj == null)
{
return(null);
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (context.Host == null)
{
throw new ArgumentNullException(nameof(context.Host));
}
if (context.SkipMarkup)
{
return(obj);
}
var type = obj.GetType();
return(_cache.GetOrAdd(type, t => new MarkdownContentHandlerImpl(t, this)).Handle(obj, context));
}
protected IEnumerable <T> Transform <T>(FileModel model, string uid, IHostService host) where T : class, IOverwriteDocumentViewModel
{
var overwrites = ((List <OverwriteDocumentModel>)model.Content).Where(s => s.Uid == uid);
return(overwrites.Select(s =>
{
try
{
var placeholderContent = s.Conceptual;
s.Conceptual = null;
var item = s.ConvertTo <T>();
var context = new HandleModelAttributesContext
{
EnableContentPlaceholder = true,
Host = host,
PlaceholderContent = placeholderContent,
FileAndType = model.OriginalFileAndType,
};
_handler.Handle(item, context);
if (!context.ContainsPlaceholder)
{
item.Conceptual = placeholderContent;
}
return item;
}
catch (YamlException ye)
{
throw new DocumentException($"Unable to deserialize YAML header from \"{s.Documentation.Path}\" Line {s.Documentation.StartLine} to TYPE {typeof(T).Name}: {ye.Message}", ye);
}
}));
}
public object Handle(object obj, HandleModelAttributesContext context)
{
var type = obj.GetType();
if (type != _type)
{
throw new InvalidOperationException($"Input type {type} is not the supported type {_type}");
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (obj == null)
{
return(null);
}
object result;
if (ShouldHandle(obj, null, null, context))
{
result = HandleCurrent(obj, null, null, context);
}
else
{
if (context.NestedLevel > MaximumNestedLevel)
{
// If maximum nested level reached, return the object directly
return(obj);
}
context.NestedLevel++;
if (_typeInfo.TypeOfType == TypeOfType.IDictionary)
{
result = HandleDictionaryType(obj, context);
}
else if (_typeInfo.TypeOfType == TypeOfType.IEnumerable)
{
result = HandleIEnumerableType(obj, context);
}
else if (_typeInfo.TypeOfType == TypeOfType.Primitive)
{
result = ProcessPrimitiveType(obj, context);
}
else
{
result = ProcessNonPrimitiveType(obj, context);
}
context.NestedLevel--;
}
return(result);
}
public object Handle(object obj, HandleModelAttributesContext context)
{
if (obj == null)
{
return(null);
}
var type = obj.GetType();
return(_cache.GetOrAdd(type, t => new UniqueIdentityHandlerImpl(t, this)).Handle(obj, context));
}
private static string MarkupCore(string content, HandleModelAttributesContext context)
{
var host = context.Host;
var mr = host.Markup(content, context.FileAndType);
context.LinkToUids.UnionWith(mr.LinkToUids);
context.LinkToFiles.UnionWith(mr.LinkToFiles);
context.FileLinkSources = context.FileLinkSources.Merge(mr.FileLinkSources.Select(s => new KeyValuePair <string, IEnumerable <LinkSourceInfo> >(s.Key, s.Value)));
context.UidLinkSources = context.UidLinkSources.Merge(mr.UidLinkSources.Select(s => new KeyValuePair <string, IEnumerable <LinkSourceInfo> >(s.Key, s.Value)));
return(mr.Html);
}
/// <summary>
/// By default enumerate Enumerable type if it does not have defined Attribute
/// </summary>
/// <param name="currentObj"></param>
/// <param name="context"></param>
protected virtual object HandleIEnumerableType(object currentObj, HandleModelAttributesContext context)
{
if (currentObj == null)
{
return(null);
}
Func <object, object> handler = s => Handler.Handle(s, context);
HandleGenericItemsHelper.EnumerateIEnumerable(currentObj, s => Handler.Handle(s, context));
return(currentObj);
}
private bool TryMarkupPlaceholderContent(string currentValue, HandleModelAttributesContext context, out string result)
{
result = null;
if (context.EnableContentPlaceholder && IsPlaceholderContent(currentValue))
{
context.ContainsPlaceholder = true;
result = context.PlaceholderContent;
return(true);
}
return(false);
}
private string Markup(string content, HandleModelAttributesContext context)
{
if (string.IsNullOrEmpty(content))
{
return(content);
}
if (TryMarkupPlaceholderContent(content, context, out string result))
{
return(result);
}
return(MarkupCore(content, context));
}
/// <summary>
/// By default enumerate Dictionary's value if it does not have defined Attribute
/// </summary>
/// <param name="declaringObject"></param>
/// <param name="currentPropertyInfo"></param>
/// <param name="context"></param>
protected virtual object HandleDictionaryType(object currentObj, HandleModelAttributesContext context)
{
if (currentObj == null)
{
return(null);
}
Func <object, object> handler = s => Handler.Handle(s, context);
if (!HandleGenericItemsHelper.EnumerateIDictionary(currentObj, handler))
{
HandleGenericItemsHelper.EnumerateIReadonlyDictionary(currentObj, handler);
}
return(currentObj);
}
/// <summary>
/// By default step into NonPrimitive type if it does not have defined Attribute
/// </summary>
/// <param name="currentObj"></param>
/// <param name="context"></param>
protected virtual object ProcessNonPrimitiveType(object currentObj, HandleModelAttributesContext context)
{
// skip string type
if (currentObj != null && !(currentObj is string))
{
foreach (var prop in _typeInfo.PropInfos)
{
var value = ReflectionHelper.GetPropertyValue(currentObj, prop.Prop);
if (ShouldHandle(value, currentObj, prop, context))
{
HandleCurrent(value, currentObj, prop.Prop, context);
}
else
{
Handler.Handle(value, context);
}
}
}
return(currentObj);
}
protected override object HandleCurrent(object currentObj, object declaringObject, PropertyInfo currentPropertyInfo, HandleModelAttributesContext context)
{
if (currentObj == null && currentPropertyInfo != null && declaringObject != null)
{
currentObj = currentPropertyInfo.GetValue(declaringObject);
}
if (currentObj == null)
{
return(null);
}
if (currentObj is string val)
{
var updated = GetHrefFromRoot(val, context);
if (currentPropertyInfo != null)
{
ReflectionHelper.SetPropertyValue(declaringObject, currentPropertyInfo, updated);
}
return(updated);
}
if (currentObj is IList <string> list)
{
for (var i = 0; i < list.Count; i++)
{
var item = list[i];
if (item != null)
{
list[i] = GetHrefFromRoot(item, context);
}
}
return(list);
}
throw new NotSupportedException($"Type {currentObj.GetType()} is NOT a supported type for {nameof(UrlContentAttribute)}");
}
protected virtual bool ShouldHandle(object currentObj, object declaringObject, PropInfo currentPropInfo, HandleModelAttributesContext context)
{
return(currentPropInfo != null && currentPropInfo.Attr != null);
}
protected override object HandleIEnumerableType(object currentObj, HandleModelAttributesContext context)
{
HandleGenericItemsHelper.HandleIList(currentObj, s => Handler.Handle(s, context));
return(currentObj);
}
protected abstract object HandleCurrent(object currentObj, object declaringObject, PropertyInfo currentPropertyInfo, HandleModelAttributesContext context);
/// <summary>
/// By default skip Primitive type if it does not have defined Attribute
/// </summary>
/// <param name="currentObj"></param>
/// <param name="context"></param>
protected virtual object ProcessPrimitiveType(object currentObj, HandleModelAttributesContext context)
{
return(currentObj);
}
protected override object HandleCurrent(object currentObj, object declaringObject, PropertyInfo currentPropertyInfo, HandleModelAttributesContext context)
{
if (currentObj == null && currentPropertyInfo != null && declaringObject != null)
{
currentObj = currentPropertyInfo.GetValue(declaringObject);
}
if (currentObj == null)
{
return(null);
}
if (currentObj is string val)
{
context.LinkToUids.Add(val);
}
else
{
if (currentObj is IEnumerable list)
{
foreach (var i in list)
{
if (i != null)
{
if (i is string item)
{
context.LinkToUids.Add(item);
}
else
{
throw new NotSupportedException($"Type {currentObj.GetType()} inside IEnumerable is NOT a supported item type for {nameof(UniqueIdentityReferenceAttribute)}");
}
}
}
}
else
{
throw new NotSupportedException($"Type {currentObj.GetType()} is NOT a supported type for {nameof(UniqueIdentityReferenceAttribute)}");
}
}
return(currentObj);
}
protected override object HandleCurrent(object currentObj, object declaringObject, PropertyInfo currentPropertyInfo, HandleModelAttributesContext context)
{
if (currentObj == null && currentPropertyInfo != null && declaringObject != null)
{
currentObj = currentPropertyInfo.GetValue(declaringObject);
}
if (currentObj == null)
{
return(null);
}
var val = currentObj as string;
if (val != null)
{
var marked = Markup(val, context);
if (currentPropertyInfo != null)
{
ReflectionHelper.SetPropertyValue(declaringObject, currentPropertyInfo, marked);
}
return(marked);
}
var list = currentObj as IList <string>;
if (list != null)
{
for (var i = 0; i < list.Count; i++)
{
var item = list[i];
if (item != null)
{
list[i] = Markup(item, context);
}
}
return(list);
}
throw new NotSupportedException($"Type {currentObj.GetType()} is NOT a supported type for {nameof(MarkdownContentAttribute)}");
}
protected override bool ShouldHandle(object currentObj, object declaringObject, PropInfo currentPropInfo, HandleModelAttributesContext context)
{
if (context.EnableContentPlaceholder)
{
var str = currentObj as string;
if (IsPlaceholderContent(str))
{
return(true);
}
}
return(base.ShouldHandle(currentObj, declaringObject, currentPropInfo, context));
}
