private static void CallFunctionFromScriptInstruction(string scriptLine, CanvasRenderingContext2d context)
{
var idxArgs = scriptLine.IndexOf('(');
if (idxArgs < 0)
{
throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
}
idxArgs++;
var rawArgs = scriptLine.Substring(idxArgs, scriptLine.IndexOf(')') - idxArgs);
var args = rawArgs.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(c => c.Trim()).ToList();
var idxFct = scriptLine.IndexOf('.');
if (idxFct < 0 || idxFct >= idxArgs)
{
throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
}
idxFct++;
var fctName = scriptLine.Substring(idxFct, idxArgs - idxFct - 1);
var method = context.GetType().GetMethod(fctName);
if (method == null)
{
throw new NotSupportedException("Could not find method " + fctName);
}
var paramsInfo = method.GetParameters();
if (paramsInfo.Length != args.Count && !paramsInfo.Last().ParameterType.IsArray)
{
throw new NotSupportedException("Could not find method " + fctName + " with this signature ");
}
var oParams = new object[paramsInfo.Length];
for (int i = 0; i < paramsInfo.Length; i++)
{
var info = paramsInfo[i];
if (i + 1 == paramsInfo.Length && paramsInfo[i].ParameterType.IsArray)
{
var elemType = info.ParameterType.GetElementType();
var array = Array.CreateInstance(elemType, args.Count - i);
var idx = 0;
for (int j = i; j < args.Count; j++)
{
array.SetValue(Convert.ChangeType(args[j].Trim('\'', '"'), elemType, CultureInfo.InvariantCulture),
idx++);
}
oParams[i] = array;
}
else
{
oParams[i] = Convert.ChangeType(args[i].Trim('\'', '"'), info.ParameterType, CultureInfo.InvariantCulture);
}
}
method.Invoke(context, oParams);
}
private static void CallAssignFromScriptInstruction(string scriptLine, CanvasRenderingContext2d context)
{
var parts = scriptLine.Split('=').Select(c => c.Trim()).ToList();
if (parts.Count != 2) throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
var idxProp = parts[0].IndexOf('.');
if (idxProp < 0) throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
var propName = parts[0].Substring(idxProp + 1);
var property = context.GetType().GetProperty(propName);
var propRawValue = parts[1].Trim('"', '\'');
var propValue = Convert.ChangeType(propRawValue, property.PropertyType, CultureInfo.InvariantCulture);
property.SetValue(context, propValue, null);
}
private static void CallFunctionFromScriptInstruction(string scriptLine, CanvasRenderingContext2d context)
{
var idxArgs = scriptLine.IndexOf('(');
if (idxArgs < 0) throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
idxArgs++;
var rawArgs = scriptLine.Substring(idxArgs, scriptLine.IndexOf(')') - idxArgs);
var args = rawArgs.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(c => c.Trim()).ToList();
var idxFct = scriptLine.IndexOf('.');
if (idxFct < 0 || idxFct >= idxArgs) throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
idxFct++;
var fctName = scriptLine.Substring(idxFct, idxArgs - idxFct - 1);
var method = context.GetType().GetMethod(fctName);
if (method == null)
throw new NotSupportedException("Could not find method " + fctName);
var paramsInfo = method.GetParameters();
if (paramsInfo.Length != args.Count && !paramsInfo.Last().ParameterType.IsArray)
throw new NotSupportedException("Could not find method " + fctName + " with this signature ");
var oParams = new object[paramsInfo.Length];
for (int i = 0; i < paramsInfo.Length; i++)
{
var info = paramsInfo[i];
if (i + 1 == paramsInfo.Length && paramsInfo[i].ParameterType.IsArray)
{
var elemType = info.ParameterType.GetElementType();
var array = Array.CreateInstance(elemType, args.Count - i);
var idx = 0;
for (int j = i; j < args.Count; j++)
{
array.SetValue(Convert.ChangeType(args[j].Trim('\'', '"'), elemType, CultureInfo.InvariantCulture),
idx++);
}
oParams[i] = array;
}
else
{
oParams[i] = Convert.ChangeType(args[i].Trim('\'', '"'), info.ParameterType, CultureInfo.InvariantCulture);
}
}
method.Invoke(context, oParams);
}
private static void CallAssignFromScriptInstruction(string scriptLine, CanvasRenderingContext2d context)
{
var parts = scriptLine.Split('=').Select(c => c.Trim()).ToList();
if (parts.Count != 2)
{
throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
}
var idxProp = parts[0].IndexOf('.');
if (idxProp < 0)
{
throw new NotSupportedException("Oupps, we don't support fancy js : " + scriptLine);
}
var propName = parts[0].Substring(idxProp + 1);
var property = context.GetType().GetProperty(propName);
var propRawValue = parts[1].Trim('"', '\'');
var propValue = Convert.ChangeType(propRawValue, property.PropertyType, CultureInfo.InvariantCulture);
property.SetValue(context, propValue, null);
}
