public static ArrayList ListOrderBy(
[DekiScriptParam("list value")] ArrayList list,
[DekiScriptParam("key name or list of key names; sort direction is controlled by appendending \" ascending\" or \" descending\" to the key(s); when omitted, the direction is asending by default")] object keys,
DekiScriptRuntime runtime
)
{
// check for trivial sort case
if (keys is string)
{
string key = ((string)keys).Trim();
// the key cannot contain access operators
if (key.IndexOfAny(new[] { '.', '[', ']' }) < 0)
{
return(ListOrderBy_IsReversed(ref key) ? ListSort(list, key, true, null, runtime) : ListSort(list, key, false, null, runtime));
}
// let's change 'keys' into an array list for processing convenience
ArrayList temp = new ArrayList {
keys
};
keys = temp;
}
// check that 'keys' has a valid type
if (!(keys is ArrayList))
{
throw new DekiScriptBadTypeException(Location.None, DekiScriptLiteral.AsScriptType(keys.GetType()), new[] { DekiScriptType.STR, DekiScriptType.LIST });
}
// build comparison expression
StringBuilder compare = new StringBuilder();
foreach (string key in (ArrayList)keys)
{
if (compare.Length > 0)
{
compare.Append(" || ");
}
// process sort field
string field = key;
if (ListOrderBy_IsReversed(ref field))
{
compare.AppendFormat("(if($left.{0} < $right.{0}) 1; else if($left.{0} > $right.{0}) -1; else 0;)", field);
}
else
{
compare.AppendFormat("(if($left.{0} < $right.{0}) -1; else if($left.{0} > $right.{0}) 1; else 0;)", field);
}
}
// sort list
list.Sort(new DekiScriptComparer(runtime, DekiScriptParser.Parse(new Location("list.orderby(compare)"), compare.ToString())));
return(list);
}
//--- Constructors ---
public DekiScriptNativeInvocationTarget(object subject, MethodInfo method, Parameter[] parameters)
{
this.Method = method;
// check if method is a coroutine
Type nativeReturnType;
ConstructorInfo resultTypeConstructor = null;
ParameterInfo[] methodParams = method.GetParameters();
bool isCoroutine = (method.ReturnType == typeof(IEnumerator <IYield>));
if (isCoroutine)
{
// check if enough parameters are present
if (methodParams.Length == 0)
{
throw new ArgumentException("handler is missing Result<T> parameter");
}
// check that the last parameter is of type Result<T>
Type lastParam = methodParams[methodParams.Length - 1].ParameterType;
if (!lastParam.IsGenericType || (lastParam.GetGenericTypeDefinition() != typeof(Result <>)))
{
throw new ArgumentException(string.Format("handler last parameter must be generic type Result<T>, but is {0}", lastParam.FullName));
}
resultTypeConstructor = lastParam.GetConstructor(Type.EmptyTypes);
nativeReturnType = lastParam.GetGenericArguments()[0];
// remove last parameter from array since it represents the return type
methodParams = ArrayUtil.Resize(methodParams, methodParams.Length - 1);
}
else
{
nativeReturnType = method.ReturnType;
}
ReturnType = DekiScriptLiteral.AsScriptType(nativeReturnType);
// check if first parameter is a DekiScriptRuntime
bool usesRuntime = false;
if ((methodParams.Length > 0) && (methodParams[methodParams.Length - 1].ParameterType.IsA <DekiScriptRuntime>()))
{
usesRuntime = true;
methodParams = ArrayUtil.Resize(methodParams, methodParams.Length - 1);
}
// retrieve method parameters and their attributes
Parameters = new DekiScriptParameter[methodParams.Length];
for (int i = 0; i < methodParams.Length; ++i)
{
ParameterInfo param = methodParams[i];
Parameter details = parameters[i] ?? Parameter.Default;
// add hint parameter
Parameters[i] = new DekiScriptParameter(param.Name, DekiScriptLiteral.AsScriptType(param.ParameterType), details.Optional, details.Hint, param.ParameterType, DekiScriptNil.Value);
}
// determine access rights
if (method.IsPrivate || method.IsFamily)
{
this.Access = DreamAccess.Private;
}
else if (method.IsAssembly)
{
this.Access = DreamAccess.Internal;
}
else
{
this.Access = DreamAccess.Public;
}
// create invocation callback
if (resultTypeConstructor != null)
{
if (usesRuntime)
{
// invoke coroutine with runtime
_invoke = (runtime, args) => {
var arguments = new object[args.Length + 2];
AResult result = (AResult)resultTypeConstructor.Invoke(null);
arguments[arguments.Length - 1] = result;
arguments[arguments.Length - 2] = runtime;
Array.Copy(args, arguments, args.Length);
new Coroutine(method, result).Invoke(() => (IEnumerator <IYield>)method.InvokeWithRethrow(subject, arguments));
result.Block();
return(result.UntypedValue);
};
}
else
{
// invoke coroutine without runtime
_invoke = (runtime, args) => {
var arguments = new object[args.Length + 1];
AResult result = (AResult)resultTypeConstructor.Invoke(null);
arguments[arguments.Length - 1] = result;
Array.Copy(args, arguments, args.Length);
new Coroutine(method, result).Invoke(() => (IEnumerator <IYield>)method.InvokeWithRethrow(subject, arguments));
result.Block();
return(result.UntypedValue);
};
}
}
else
{
if (usesRuntime)
{
// invoke method with runtime
_invoke = (runtime, args) => {
var arguments = new object[args.Length + 1];
arguments[arguments.Length - 1] = runtime;
Array.Copy(args, arguments, args.Length);
return(method.InvokeWithRethrow(subject, arguments));
};
}
else
{
// invoke method without runtime
_invoke = (runtime, args) => method.InvokeWithRethrow(subject, args);
}
}
}
public static string StringFormat(
[DekiScriptParam("string with placeholders")] string text,
[DekiScriptParam("values to insert into string", true)] object values
)
{
if (values == null)
{
return(text);
}
// check if values is either a map or a list
Hashtable map = values as Hashtable;
ArrayList list = values as ArrayList;
if ((map == null) && (list == null))
{
throw new DekiScriptBadTypeException(Location.None, DekiScriptLiteral.AsScriptType(values.GetType()), new[] { DekiScriptType.MAP, DekiScriptType.LIST });
}
// loop over string and fetch values from map/list
StringBuilder result = new StringBuilder();
int start = 0;
int end = text.IndexOf('$');
while (end >= 0)
{
// append characters skipped
if (start != end)
{
result.Append(text.Substring(start, end - start));
}
++end;
start = end;
// check if we reached the end of the text or if the current position is followed by a '$' sign
if ((end < text.Length) && (text[end] != '$'))
{
// parse the identifier
while ((end < text.Length) && ((text[end] == '_') || char.IsLetterOrDigit(text[end])))
{
++end;
}
string id = text.Substring(start, end - start);
// fetch value for identifier and insert it if found
if (id.Length > 0)
{
string value = null;
if (map != null)
{
value = SysUtil.ChangeType <string>(map[id]);
}
else
{
int index;
if (int.TryParse(id, out index) && (index >= 0) && (index < list.Count))
{
value = SysUtil.ChangeType <string>(list[index]);
}
}
if (!string.IsNullOrEmpty(value))
{
result.Append(value);
}
}
}
else
{
result.Append("$");
++end;
}
// find next '$' sign
start = end;
end = (end < text.Length) ? text.IndexOf('$', end) : -1;
}
// append rest of the string
if (start < text.Length)
{
result.Append(text.Substring(start));
}
return(result.ToString());
}
