public bool TryGetFromat(ref string name, Type type, out ShaderFieldFormat format)
{
if (TargetType.IsAssignableFrom(type))
{
format = Format;
return(true);
}
format = ShaderFieldFormat.None;
return(false);
}
protected override object ConvertValue(object value)
{
if (Converter != null)
{
value = Converter(value, Parameter, EffectiveCulture);
}
if (Format != null)
{
value = string.Format(EffectiveCulture, Format, value);
}
if (TargetType == null)
{
throw new InvalidOperationException("TargetType cannot be null.");
}
if (value == null) // TODO ???
{
return(null);
}
// Check whether value can be assigned to the property
Type valueType = value.GetType();
if (TargetType.IsAssignableFrom(valueType))
{
return(value);
}
// Try converting using Convert class
if (typeof(IConvertible).IsAssignableFrom(TargetType) && typeof(IConvertible).IsAssignableFrom(valueType))
{
return(Convert.ChangeType(value, TargetType, EffectiveCulture));
}
// Try converting with value's TypeConverter
TypeConverter valueConverter = TypeDescriptor.GetConverter(valueType);
if (valueConverter.CanConvertTo(TargetType))
{
return(valueConverter.ConvertTo(ValueConverterContext.Context, EffectiveCulture, value, TargetType));
}
// Try converting with target's TypeConverter
TypeConverter targetConverter = TypeDescriptor.GetConverter(TargetType);
if (targetConverter.CanConvertFrom(valueType))
{
return(targetConverter.ConvertFrom(ValueConverterContext.Context, EffectiveCulture, value));
}
throw new InvalidOperationException($"Cannot convert from '{valueType}' to '{TargetType}'.");
}
internal void CheckTargetType(object element)
{
// In the most common case TargetType is Default
// and we can avoid a call to IsAssignableFrom() who's performance is unknown.
if (DefaultTargetType == TargetType)
{
return;
}
Type elementType = element.GetType();
if (!TargetType.IsAssignableFrom(elementType))
{
throw new InvalidOperationException(SR.Get(SRID.StyleTargetTypeMismatchWithElement,
this.TargetType.Name,
elementType.Name));
}
}
protected override SelectorMatch Evaluate(IStyleable control, bool subscribe)
{
if (TargetType != null)
{
var controlType = control.StyleKey ?? control.GetType();
if (IsConcreteType)
{
if (controlType != TargetType)
{
return(SelectorMatch.NeverThisType);
}
}
else
{
if (!TargetType.IsAssignableFrom(controlType))
{
return(SelectorMatch.NeverThisType);
}
}
}
if (Name != null && control.Name != Name)
{
return(SelectorMatch.NeverThisInstance);
}
if (_classes.IsValueCreated && _classes.Value.Count > 0)
{
if (subscribe)
{
var observable = new StyleClassActivator(control.Classes, _classes.Value);
return(new SelectorMatch(observable));
}
if (!StyleClassActivator.AreClassesMatching(control.Classes, Classes))
{
return(SelectorMatch.NeverThisInstance);
}
}
return(Name == null ? SelectorMatch.AlwaysThisType : SelectorMatch.AlwaysThisInstance);
}
internal void CheckTargetType(object element)
{
// Note: we do not do this verification in CSHTML5 in order to remain compatible
// with old applications created with prior versions of CSHTML5 (eg. Client_FB).
#if OPENSILVER
if (TargetType == null)
{
throw new InvalidOperationException("Must have non-null value for TargetType.");
}
Type elementType = element.GetType();
if (!TargetType.IsAssignableFrom(elementType))
{
throw new InvalidOperationException(string.Format("'{0}' TargetType does not match type of element '{1}'.",
this.TargetType.Name,
elementType.Name));
}
#endif
}
/// <summary>
/// This is called when the server is starting.
/// </summary>
public void LoadPlugins()
{
//Fetch all types that implement the interface IPlugin and are a class
foreach (var file in Directory.GetFiles(FolderPath))
{
if (file.EndsWith(".dll"))
{
Assembly.LoadFile(Path.GetFullPath(file));
}
}
var assemblies = AppDomain.CurrentDomain.GetAssemblies();
var implemented = assemblies.SelectMany(a => a.GetTypes()).Where(p => TargetType.IsAssignableFrom(p) && p.IsClass).ToArray();
for (int i = 0; i < implemented.Length; i++)
{
var type = implemented[i];
var instance = ((IPlugin)Activator.CreateInstance(type));
if (instance != null)
{
if (instance.HqVersion != ApiVersion)
{
//I will still go ahead, but the user should know that errors may appear.
Master.UnsafeDirectReference.ConsolePluginWarning($"The plugin \"{instance.Name}\" is built on a different API version (current: {ApiVersion}, target: {instance.HqVersion}). This may induce unwanted behavior and/or errors.");
Master.UnsafeDirectReference.LogPlugin(instance.Name, $"Warning: The plugin is targeting version {instance.HqVersion}. Current API version: {ApiVersion}.");
}
Plugins.Add(new PluginInstance()
{
Main = type,
MainClass = instance,
});
Master.UnsafeDirectReference.ConsolePluginStatus($"Loaded \"{instance.Name}\" by \"{instance.Author}\"");
}
}
Stores = new string[Plugins.Count];
for (int i = 0; i < Plugins.Count; i++)
{
var pfs = new PluginFileSystem(Path.Combine("hqplugins", "data"), Plugins[i].MainClass.Name, this);
Plugins[i].MainClass.Load(Master, pfs);
Stores[i] = pfs.Store;
}
Master.UnsafeDirectReference.ConsolePluginStatus($"Loaded {Plugins.Count} plugins.");
}
internal void CheckTargetType(object element)
{
#if OPENSILVER // Note: we do not do this verification in CSHTML5 in order to remain compatible with old applications created with prior versions of CSHTML5 (eg. Client_FB).
// In the most common case TargetType is Default
// and we can avoid a call to IsAssignableFrom() who's performance is unknown.
if (DefaultTargetType == TargetType)
{
return;
}
Type elementType = element.GetType();
if (!TargetType.IsAssignableFrom(elementType))
{
throw new InvalidOperationException(string.Format("'{0}' TargetType does not match type of element '{1}'.",
this.TargetType.Name,
elementType.Name));
}
#endif
}
/// <inheritdoc />
public virtual bool BindModel([NotNull] HttpActionContext actionContext, [NotNull] ModelBindingContext bindingContext)
{
if (!TargetType.IsAssignableFrom(bindingContext.ModelType))
{
throw new TypeInitializationException(bindingContext.ModelType.FullName, new InvalidCastException($"Type {TargetType.FullName} is not assignable from type {bindingContext.ModelType.FullName}."));
}
JsonLoadSettings jsonLoadSettings = JsonHelper.CreateLoadSettings();
IDictionary <string, string> values = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
try
{
HttpRequestMessage request = actionContext.Request;
IHttpRouteData routeData = actionContext.RequestContext.RouteData;
/*
* Route data
* FormData/Body
* Query string
*/
if (routeData != null)
{
foreach (KeyValuePair <string, object> pair in routeData.Values)
{
Type type = pair.Value?.GetType();
if (type != null && !type.IsPrimitive())
{
continue;
}
values[pair.Key] = Convert.ToString(pair.Value);
}
}
string contentType = request.Content.Headers.ContentType.MediaType.ToLowerInvariant();
switch (contentType)
{
case "application/x-www-form-urlencoded":
HandleFormData(request.Content.ReadAsStringAsync().Execute().TrimStart('?'));
break;
case "application/json":
case "text/json":
HandleJson(request.Content.ReadAsStringAsync().Execute().Trim());
break;
case "application/xml":
case "text/xml":
HandleXml(request.Content.ReadAsStringAsync().Execute().Trim());
break;
}
// Query string
HandleQuery(request);
//Initiate primary object
object obj = Activator.CreateInstance(bindingContext.ModelType);
//First call for processing primary object
SetPropertyValues(values, obj);
//Assign completed object tree to Model
bindingContext.Model = obj;
return(true);
}
catch (Exception ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex.CollectMessages());
return(false);
}
void HandleQuery(HttpRequestMessage request)
{
if (string.IsNullOrEmpty(request.RequestUri.Query))
{
return;
}
foreach (KeyValuePair <string, string> pair in request.GetQueryNameValuePairs())
{
string data = pair.Value == null ? null : WebUtility.UrlDecode(pair.Value.Trim());
if (!string.IsNullOrEmpty(data))
{
if (data.StartsWith('{') || data.StartsWith('['))
{
JObject bodyJson = JObject.Parse(data, jsonLoadSettings);
AddJsonProperties(values, bodyJson);
}
else if (data.StartsWith("<?xml", StringComparison.OrdinalIgnoreCase))
{
XDocument xml = XmlHelper.XParse(data);
AddXProperties(values, xml?.Root);
}
else
{
values[pair.Key] = data;
}
}
else if (!values.ContainsKey(pair.Key))
{
values.Add(pair.Key, null);
}
}
}
void HandleFormData(string formData)
{
if (string.IsNullOrEmpty(formData))
{
return;
}
string[] elements = formData.Split('=', '&');
for (int i = 0; i < elements.Length; i += 2)
{
string key = elements[i];
string value = i < elements.Length - 1
? elements[i + 1]
: null;
if (!string.IsNullOrEmpty(value))
{
values[key] = value;
}
else if (!values.ContainsKey(key))
{
values.Add(key, null);
}
}
}
void HandleJson(string jsonData)
{
if (string.IsNullOrEmpty(jsonData))
{
return;
}
jsonData = WebUtility.UrlDecode(jsonData);
JObject bodyJson = JObject.Parse(jsonData, jsonLoadSettings);
AddJsonProperties(values, bodyJson);
}
void HandleXml(string xmlData)
{
if (string.IsNullOrEmpty(xmlData))
{
return;
}
xmlData = WebUtility.UrlDecode(xmlData);
XDocument xml = XmlHelper.XParse(xmlData, true);
AddXProperties(values, xml?.Root);
}
}
public override bool IsAssignableFrom(IType type)
{
return(TargetType.IsAssignableFrom(type));
}
public virtual bool CanSetValue(object value)
{
return
((TargetType.IsValueType && value != null && TargetType.IsAssignableFrom(value.GetType())) ||
(!TargetType.IsValueType && (value == null || TargetType.IsAssignableFrom(value.GetType()))));
}
/// <inheritdoc />
public virtual Task BindModelAsync(ModelBindingContext bindingContext)
{
if (!TargetType.IsAssignableFrom(bindingContext.ModelType))
{
throw new TypeInitializationException(bindingContext.ModelType.FullName, null);
}
CancellationToken token = bindingContext.HttpContext.RequestAborted;
if (token.IsCancellationRequested)
{
return(Task.FromCanceled(token));
}
Dictionary <string, string> values = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
try
{
HttpRequest request = bindingContext.HttpContext.Request;
string contentType = request.ContentType.ToLowerInvariant();
/*
* bindingContext.ValueProvider
* Route data
* FormData/Body
* Query string
*/
// Try to fetch the value of the argument by name
ValueProviderResult valueProviderResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
if (valueProviderResult != ValueProviderResult.None)
{
bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueProviderResult);
switch (contentType)
{
case "application/x-www-form-urlencoded":
HandleFromData(valueProviderResult.FirstValue.ToNullIfEmpty());
break;
case "application/json":
case "text/json":
HandleJson(valueProviderResult.FirstValue.ToNullIfEmpty());
break;
case "application/xml":
case "text/xml":
HandleXml(valueProviderResult.FirstValue.ToNullIfEmpty());
break;
}
}
if (token.IsCancellationRequested)
{
return(Task.FromCanceled(token));
}
RouteData routeData = bindingContext.HttpContext.GetRouteData();
foreach ((string key, object value) in routeData.Values)
{
Type type = value?.GetType();
if (type == null || !type.IsPrimitive())
{
continue;
}
values[key] = Convert.ToString(value);
}
switch (contentType)
{
case "application/x-www-form-urlencoded":
HandleFromData(ReadRequestBodyLocal(request)?.TrimStart('?'));
break;
case "application/json":
case "text/json":
HandleJson(ReadRequestBodyLocal(request)?.TrimStart('?'));
break;
case "application/xml":
case "text/xml":
HandleXml(ReadRequestBodyLocal(request));
break;
}
// Query string
HandleQueryString(request.Query);
//Initiate primary object
object obj = Activator.CreateInstance(bindingContext.ModelType) ?? throw new TypeInitializationException(bindingContext.ModelType.FullName, null);
//First call for processing primary object
SetPropertyValues(values, obj);
//Assign completed object tree to Model
bindingContext.Result = ModelBindingResult.Success(obj);
return(Task.CompletedTask);
}
catch (Exception ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex.CollectMessages());
bindingContext.Result = ModelBindingResult.Failed();
return(Task.FromException(ex));
}
string ReadRequestBodyLocal(HttpRequest request)
{
if (token.IsCancellationRequested)
{
return(null);
}
if (!request.Body.CanSeek)
{
request.EnableBuffering();
request.Body.DrainAsync(token).Wait(token);
if (token.IsCancellationRequested)
{
return(null);
}
request.Body.Seek(0L, SeekOrigin.Begin);
}
using (StreamReader reader = new StreamReader(request.Body))
{
return(reader.ReadToEnd());
}
}
void HandleQueryString(IQueryCollection query)
{
if (token.IsCancellationRequested || query == null || query.Count == 0)
{
return;
}
foreach ((string key, StringValues value) in query)
{
string data = value.FirstOrDefault();
if (!string.IsNullOrEmpty(data))
{
if (StringExtension.StartsWith(data, "%7B") || StringExtension.StartsWith(data, "%5B"))
{
HandleJson(data);
}
else if (StringExtension.StartsWith(data, "%3C%3Fxml"))
{
HandleXml(data);
}
else
{
values[key] = data;
}
}
else if (!values.ContainsKey(key))
{
values.Add(key, null);
}
}
}
void HandleFromData(string formData)
{
if (token.IsCancellationRequested || string.IsNullOrEmpty(formData))
{
return;
}
string[] elements = formData.Split('=', '&');
for (int i = 0; i < elements.Length; i += 2)
{
string key = elements[i];
string value = i < elements.Length - 1
? elements[i + 1]
: null;
if (!string.IsNullOrEmpty(value))
{
values[key] = value;
}
else if (!values.ContainsKey(key))
{
values.Add(key, null);
}
}
}
void HandleJson(string jsonData)
{
if (token.IsCancellationRequested || string.IsNullOrEmpty(jsonData))
{
return;
}
jsonData = WebUtility.UrlDecode(jsonData);
_serializer.Populate(jsonData, values);
}
void HandleXml(string xmlData)
{
if (token.IsCancellationRequested || string.IsNullOrEmpty(xmlData))
{
return;
}
xmlData = WebUtility.UrlDecode(xmlData);
XDocument xml = XmlHelper.XParse(xmlData, true);
AddXProperties(values, xml?.Root);
}
}
