/// <summary>
/// Compares two PHP versions.
/// </summary>
/// <param name="ver1">The first version.</param>
/// <param name="ver2">The second version.</param>
/// <returns>The result of comparison (-1,0,+1).</returns>
public static int Compare(string ver1, string ver2)
{
string[] v1 = VersionToArray(ver1);
string[] v2 = VersionToArray(ver2);
int result;
for (int i = 0; i < Math.Max(v1.Length, v2.Length); i++)
{
string item1 = (i < v1.Length) ? v1[i] : " ";
string item2 = (i < v2.Length) ? v2[i] : " ";
if (Char.IsDigit(item1[0]) && Char.IsDigit(item2[0]))
{
result = PhpComparer.CompareInteger(Convert.StringToInteger(v1[i]), Convert.StringToInteger(item2));
}
else
{
result = CompareParts(Char.IsDigit(item1[0]) ? "#" : item1, Char.IsDigit(item2[0]) ? "#" : item2);
}
if (result != 0)
{
return(result);
}
}
return(0);
}
/// <summary>
/// Finds the specified autoload function list element.
/// </summary>
/// <param name="context">Current script context.</param>
/// <param name="autoloadFunction">The PHP representation of callback function to find in list of SPL autoload functions.</param>
/// <returns>List node or null if such a functions does not exist in the list.</returns>
private static LinkedListNode <PhpCallback> FindAutoloadFunction(ScriptContext /*!*/ context, object autoloadFunction)
{
Debug.Assert(context != null);
if (context.IsSplAutoloadEnabled)
{
for (var node = context.SplAutoloadFunctions.First; node != null; node = node.Next)
{
if (PhpComparer.CompareEq(node.Value.ToPhpRepresentation(), autoloadFunction))
{
return(node);
}
}
}
return(null);
}
public static bool CheckAssertion(
object assertion,
string code,
ScriptContext context,
string callerRelativeSourcePath,
int line,
int column,
NamingContext namingContext)
{
// checks assertion:
if (assertion != null && !PhpComparer./*Default.*/ CompareEq(assertion, false))
{
return(true);
}
// calls user callback:
if (context.Config.Assertion.Callback != null)
{
ApplicationConfiguration app_config = Configuration.Application;
FullPath full_path = new FullPath(callerRelativeSourcePath, app_config.Compiler.SourceRoot);
context.Config.Assertion.Callback.Invoke(full_path.FullFileName, line, code);
}
// reports a warning if required:
if (context.Config.Assertion.ReportWarning)
{
PhpException.Throw(PhpError.Warning, CoreResources.GetString("assertion_failed", code));
}
// terminates script execution if required:
if (context.Config.Assertion.Terminate)
{
throw new ScriptDiedException(0);
}
// assertion failed:
return(false);
}
internal override object Evaluate(object leftValue, object rightValue)
{
switch (operation)
{
case Operations.Xor:
return(Convert.ObjectToBoolean(leftValue) ^ Convert.ObjectToBoolean(rightValue));
case Operations.Or:
return(Convert.ObjectToBoolean(leftValue) || Convert.ObjectToBoolean(rightValue));
case Operations.And:
return(Convert.ObjectToBoolean(leftValue) && Convert.ObjectToBoolean(rightValue));
case Operations.BitOr:
return(Operators.BitOperation(leftValue, rightValue, Operators.BitOp.Or));
case Operations.BitXor:
return(Operators.BitOperation(leftValue, rightValue, Operators.BitOp.Xor));
case Operations.BitAnd:
return(Operators.BitOperation(leftValue, rightValue, Operators.BitOp.And));
case Operations.Equal:
return(PhpComparer./*Default.*/ CompareEq(leftValue, rightValue));
case Operations.NotEqual:
return(!PhpComparer./*Default.*/ CompareEq(leftValue, rightValue));
case Operations.Identical:
return(Operators.StrictEquality(leftValue, rightValue));
case Operations.NotIdentical:
return(!Operators.StrictEquality(leftValue, rightValue));
case Operations.LessThan:
return(PhpComparer.Default.Compare(leftValue, rightValue) < 0);
case Operations.GreaterThan:
return(PhpComparer.Default.Compare(leftValue, rightValue) > 0);
case Operations.LessThanOrEqual:
return(PhpComparer.Default.Compare(leftValue, rightValue) <= 0);
case Operations.GreaterThanOrEqual:
return(PhpComparer.Default.Compare(leftValue, rightValue) >= 0);
case Operations.ShiftRight:
return(Operators.ShiftRight(leftValue, rightValue)); // int
case Operations.ShiftLeft:
return(Operators.ShiftLeft(leftValue, rightValue)); // int
case Operations.Add:
return(Operators.Add(leftValue, rightValue));
case Operations.Sub:
return(Operators.Subtract(leftValue, rightValue));
case Operations.Mul:
return(Operators.Multiply(leftValue, rightValue));
case Operations.Div:
return(Operators.Divide(leftValue, rightValue));
case Operations.Mod:
return(Operators.Remainder(leftValue, rightValue));
case Operations.Concat:
return(Operators.Concat(leftValue, rightValue));
default:
throw null;
}
}
