/// <summary>
/// Imports the specified object intto this <see cref="ScriptObject"/> context. See remarks.
/// </summary>
/// <param name="obj">The object.</param>
/// <param name="filter">Optional member filterer</param>
/// <param name="renamer">Optional renamer</param>
/// <remarks>
/// <ul>
/// <li>If <paramref name="obj"/> is a <see cref="System.Type"/>, this method will import only the static field/properties of the specified object.</li>
/// <li>If <paramref name="obj"/> is a <see cref="ScriptObject"/>, this method will import the members of the specified object into the new object.</li>
/// <li>If <paramref name="obj"/> is a plain object, this method will import the public fields/properties of the specified object into the <see cref="ScriptObject"/>.</li>
/// </ul>
/// </remarks>
public static void Import(this IScriptObject script, object obj, FilterMemberDelegate filter = null, MemberRenamerDelegate renamer = null)
{
if (obj is IScriptObject)
{
script.Import((IScriptObject)obj);
return;
}
script.Import(obj, ScriptMemberImportFlags.All, filter, renamer);
}
/// <summary>
/// Imports the specified object.
/// </summary>
/// <param name="obj">The object.</param>
/// <param name="flags">The import flags.</param>
/// <param name="filter">A filter applied on each member</param>
/// <param name="renamer">The member renamer.</param>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public static void Import(this IScriptObject script, object obj, ScriptMemberImportFlags flags, FilterMemberDelegate filter = null, MemberRenamerDelegate renamer = null)
{
if (obj == null)
{
return;
}
if (!ScriptObject.IsImportable(obj))
{
throw new ArgumentOutOfRangeException(nameof(obj), $"Unsupported object type [{obj.GetType()}]. Expecting plain class or struct");
}
var typeInfo = (obj as Type ?? obj.GetType()).GetTypeInfo();
bool useStatic = false;
bool useInstance = false;
bool useMethodInstance = false;
if (obj is Type)
{
useStatic = true;
obj = null;
}
else
{
useInstance = true;
useMethodInstance = (flags & ScriptMemberImportFlags.MethodInstance) != 0;
}
renamer = renamer ?? StandardMemberRenamer.Default;
if ((flags & ScriptMemberImportFlags.Field) != 0)
{
foreach (var field in typeInfo.GetDeclaredFields())
{
if (!field.IsPublic)
{
continue;
}
if (filter != null && !filter(field.Name))
{
continue;
}
var keep = field.GetCustomAttribute <ScriptMemberIgnoreAttribute>() == null;
if (keep && ((field.IsStatic && useStatic) || useInstance))
{
var newFieldName = renamer(field.Name);
if (String.IsNullOrEmpty(newFieldName))
{
newFieldName = field.Name;
}
// If field is init only or literal, it cannot be set back so we mark it as read-only
script.SetValue(null, new SourceSpan(), newFieldName, field.GetValue(obj), field.IsInitOnly || field.IsLiteral);
}
}
}
if ((flags & ScriptMemberImportFlags.Property) != 0)
{
foreach (var property in typeInfo.GetDeclaredProperties())
{
if (!property.CanRead || !property.GetGetMethod().IsPublic)
{
continue;
}
if (filter != null && !filter(property.Name))
{
continue;
}
var keep = property.GetCustomAttribute <ScriptMemberIgnoreAttribute>() == null;
if (keep && (((property.GetGetMethod().IsStatic&& useStatic) || useInstance)))
{
var newPropertyName = renamer(property.Name);
if (String.IsNullOrEmpty(newPropertyName))
{
newPropertyName = property.Name;
}
script.SetValue(null, new SourceSpan(), newPropertyName, property.GetValue(obj), property.GetSetMethod() == null || !property.GetSetMethod().IsPublic);
}
}
}
if ((flags & ScriptMemberImportFlags.Method) != 0 && (useStatic || useMethodInstance))
{
foreach (var method in typeInfo.GetDeclaredMethods())
{
if (filter != null && !filter(method.Name))
{
continue;
}
var keep = method.GetCustomAttribute <ScriptMemberIgnoreAttribute>() == null;
if (keep && method.IsPublic && ((useMethodInstance && !method.IsStatic) || (useStatic && method.IsStatic)) && !method.IsSpecialName)
{
var newMethodName = renamer(method.Name);
if (String.IsNullOrEmpty(newMethodName))
{
newMethodName = method.Name;
}
script.SetValue(null, new SourceSpan(), newMethodName, new ObjectFunctionWrapper(obj, method), true);
}
}
}
}
/// <summary>
/// Imports the specified object.
/// </summary>
/// <param name="obj">The object.</param>
/// <param name="flags">The import flags.</param>
/// <param name="filter">A filter applied on each member</param>
/// <param name="renamer">The member renamer.</param>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public static void Import(this IScriptObject script, object obj, ScriptMemberImportFlags flags, FilterMemberDelegate filter = null, IMemberRenamer renamer = null)
{
if (obj == null)
{
return;
}
if (!ScriptObject.IsImportable(obj))
{
throw new ArgumentOutOfRangeException(nameof(obj), $"Unsupported object type [{obj.GetType()}]. Expecting plain class or struct");
}
var typeInfo = (obj as Type ?? obj.GetType()).GetTypeInfo();
bool useStatic = false;
bool useInstance = false;
bool useMethodInstance = false;
if (obj is Type)
{
useStatic = true;
obj = null;
}
else
{
useInstance = true;
useMethodInstance = (flags & ScriptMemberImportFlags.MethodInstance) != 0;
}
renamer = renamer ?? StandardMemberRenamer.Default;
if ((flags & ScriptMemberImportFlags.Field) != 0)
{
foreach (var field in typeInfo.GetDeclaredFields())
{
if (!field.IsPublic)
{
continue;
}
if (filter != null && !filter(field.Name))
{
continue;
}
var keep = field.GetCustomAttribute<ScriptMemberIgnoreAttribute>() == null;
if (keep && ((field.IsStatic && useStatic) || useInstance))
{
var newFieldName = renamer.GetName(field.Name);
if (String.IsNullOrEmpty(newFieldName))
{
newFieldName = field.Name;
}
// If field is init only or literal, it cannot be set back so we mark it as read-only
script.SetValue(newFieldName, field.GetValue(obj), field.IsInitOnly || field.IsLiteral);
}
}
}
if ((flags & ScriptMemberImportFlags.Property) != 0)
{
foreach (var property in typeInfo.GetDeclaredProperties())
{
if (!property.CanRead || !property.GetGetMethod().IsPublic)
{
continue;
}
if (filter != null && !filter(property.Name))
{
continue;
}
var keep = property.GetCustomAttribute<ScriptMemberIgnoreAttribute>() == null;
if (keep && (((property.GetGetMethod().IsStatic && useStatic) || useInstance)))
{
var newPropertyName = renamer.GetName(property.Name);
if (String.IsNullOrEmpty(newPropertyName))
{
newPropertyName = property.Name;
}
script.SetValue(newPropertyName, property.GetValue(obj), property.GetSetMethod() == null || !property.GetSetMethod().IsPublic);
}
}
}
if ((flags & ScriptMemberImportFlags.Method) != 0 && (useStatic || useMethodInstance))
{
foreach (var method in typeInfo.GetDeclaredMethods())
{
if (filter != null && !filter(method.Name))
{
continue;
}
var keep = method.GetCustomAttribute<ScriptMemberIgnoreAttribute>() == null;
if (keep && method.IsPublic && ((useMethodInstance && !method.IsStatic) || (useStatic && method.IsStatic)) && !method.IsSpecialName)
{
var newMethodName = renamer.GetName(method.Name);
if (String.IsNullOrEmpty(newMethodName))
{
newMethodName = method.Name;
}
script.SetValue(newMethodName, new ObjectFunctionWrapper(obj, method), true);
}
}
}
}
