public static bool Ceq(string sx, PhpValue y)
{
switch (y.TypeCode)
{
case PhpTypeCode.Boolean: return(Convert.ToBoolean(sx) == y.Boolean);
case PhpTypeCode.Long: return(Compare(sx, y.Long) == 0);
case PhpTypeCode.Double: return(Compare(sx, y.Double) == 0);
case PhpTypeCode.PhpArray: return(false);
case PhpTypeCode.String: return(Ceq(sx, y.String));
case PhpTypeCode.MutableString: return(Ceq(sx, y.MutableString.ToString()));
case PhpTypeCode.Object: return(CompareStringToObject(sx, y.Object) == 0);
case PhpTypeCode.Alias: return(Ceq(sx, y.Alias.Value));
case PhpTypeCode.Null: return(sx.Length == 0);
}
throw InvalidTypeCodeException("ceq", PhpVariable.TypeNameString, PhpVariable.GetDebugType(y));
}
public static int Compare(PhpString.Blob sx, PhpValue y)
{
switch (y.TypeCode)
{
case PhpTypeCode.Null: return((sx.Length == 0) ? 0 : 1);
case PhpTypeCode.Boolean: return(Compare(sx.ToBoolean(), y.Boolean));
case PhpTypeCode.Long: return(Compare(sx.ToString(), y.Long));
case PhpTypeCode.Double: return(Compare(sx.ToString(), y.Double));
case PhpTypeCode.PhpArray: return(-1); // - 1 * (array.CompareTo(string))
case PhpTypeCode.String: return(Compare(sx.ToString(), y.String));
case PhpTypeCode.MutableString: return(Compare(sx, y.MutableStringBlob));
case PhpTypeCode.Object: return(CompareStringToObject(sx.ToString(), y.Object));
case PhpTypeCode.Alias: return(Compare(sx, y.Alias.Value));
}
throw InvalidTypeCodeException("compare", PhpVariable.TypeNameString, PhpVariable.GetDebugType(y));
}
public static int Compare(double dx, PhpValue y)
{
switch (y.TypeCode)
{
case PhpTypeCode.Null: return((dx == 0.0) ? 0 : 1);
case PhpTypeCode.Boolean: return(Compare(dx != 0.0, y.Boolean));
case PhpTypeCode.Long: return(Compare(dx, (double)y.Long));
case PhpTypeCode.Double: return(Compare(dx, y.Double));
case PhpTypeCode.PhpArray: return(-1);
case PhpTypeCode.String: return(-Compare(y.String, dx));
case PhpTypeCode.MutableString: return(-Compare(y.MutableString.ToString(), dx));
case PhpTypeCode.Object:
// we cannot use ToNumber(object) because it treats some builtin classes as numbers
if (y.Object is decimal yd)
{
return(Compare(dx, (double)yd));
}
// Notice: Object of class {0} could not be converted to int
PhpException.Throw(PhpError.Notice, string.Format(Resources.ErrResources.object_could_not_be_converted, PhpVariable.GetDebugType(y), PhpVariable.TypeNameDouble));
return(Compare(dx, 1.0)); // object is treated as '1'
case PhpTypeCode.Alias: return(Compare(dx, y.Alias.Value));
}
throw InvalidTypeCodeException("compare", PhpVariable.TypeNameDouble, PhpVariable.GetDebugType(y));
}
public static int Compare(object x, PhpValue y)
{
Debug.Assert(x != null);
if (x.Equals(y.Object))
{
return(0);
}
if (x is IPhpComparable)
{
return(((IPhpComparable)x).Compare(y));
}
if (y.Object is IPhpComparable)
{
return(-((IPhpComparable)y.Object).Compare(PhpValue.FromClass(x)));
}
if (x is decimal xd)
{
return(Compare((double)xd, y));
}
switch (y.TypeCode)
{
case PhpTypeCode.Null:
return(1);
case PhpTypeCode.Boolean:
return(y.Boolean ? 0 : 1);
case PhpTypeCode.Long:
// Notice: Object of class {0} could not be converted to int
PhpException.Throw(PhpError.Notice, string.Format(Resources.ErrResources.object_could_not_be_converted, PhpVariable.GetDebugType(y), PhpVariable.TypeNameInt));
return(Compare(1L, y.Long));
case PhpTypeCode.Double:
// Notice: Object of class {0} could not be converted to float
PhpException.Throw(PhpError.Notice, string.Format(Resources.ErrResources.object_could_not_be_converted, PhpVariable.GetDebugType(y), PhpVariable.TypeNameFloat));
return(Compare(1L, y.Long));
case PhpTypeCode.String:
return(-CompareStringToObject(y.String, x));
case PhpTypeCode.Object:
Debug.Assert(y.Object != null);
var result = CompareObjects(x, y.Object, PhpComparer.Default, out var incomparable);
if (incomparable)
{
PhpException.Throw(PhpError.Warning,
Resources.ErrResources.incomparable_objects_compared_exception,
x.GetPhpTypeInfo().Name,
y.Object.GetPhpTypeInfo().Name);
return(1);
}
return(result);
case PhpTypeCode.Alias:
return(Compare(x, y.Alias.Value));
default:
PhpException.Throw(PhpError.Notice,
string.Format(Resources.ErrResources.incomparable_objects_compared_exception,
x.GetPhpTypeInfo().Name,
PhpVariable.GetDebugType(y)));
return(0);
}
}
