//整数出栈
public IntConstant PopIntConst()
{
IConstant constant = operandStack.Pop();
if (constant.Type != NumericType.INT)
{
throw reporter.Throw("值类型错误", VMExceptionType.WRONG_TYPE);
}
return((IntConstant)constant);
}
private int GetIntFromArg(String arg)
{
int retVal = 0;
try
{
retVal = Convert.ToInt32(arg);
}
catch
{
throw reporter.Throw("参数类型错误", VMExceptionType.WRONG_TYPE);
}
return retVal;
}
/// <summary>
/// Updates a providers user information
/// </summary>
/// <param name="user">MembershipUser object</param>
public override void UpdateUser(MembershipUser user)
{
// Check User object is not null
if (user == null)
{
ExceptionReporter.ThrowArgumentNull("MEMBERSHIP", "MEMBERSHIPUSERNULL");
}
// Update User
int updateStatus = DB.UpdateUser(this.ApplicationName, user, this.RequiresUniqueEmail);
// Check update was not successful
if (updateStatus != 0)
{
// An error has occurred, determine which one.
switch (updateStatus)
{
case 1: ExceptionReporter.Throw("MEMBERSHIP", "USERKEYNULL");
break;
case 2: ExceptionReporter.Throw("MEMBERSHIP", "DUPLICATEEMAIL");
break;
}
}
}
/// <summary>
/// Decrypt string using passwordFormat.
/// </summary>
/// <param name="pass">Password to be decrypted</param>
/// <param name="passwordFormat">Method of encryption</param>
/// <returns> Unencrypted string</returns>
private static string DecodeString(string pass, int passwordFormat)
{
switch (( MembershipPasswordFormat )Enum.ToObject(typeof(MembershipPasswordFormat), passwordFormat))
{
case MembershipPasswordFormat.Clear: // MembershipPasswordFormat.Clear:
return(pass);
case MembershipPasswordFormat.Hashed: // MembershipPasswordFormat.Hashed:
ExceptionReporter.Throw("MEMBERSHIP", "DECODEHASH");
break;
case MembershipPasswordFormat.Encrypted:
byte [] bIn = Convert.FromBase64String(pass);
byte [] bRet = (new YafMembershipProvider()).DecryptPassword(bIn);
if (bRet == null)
{
return(null);
}
return(Encoding.Unicode.GetString(bRet, 16, bRet.Length - 16));
default:
ExceptionReporter.Throw("MEMBERSHIP", "DECODEHASH");
break;
}
return(String.Empty); // Removes "Not all paths return a value" warning.
}
//依据嵌套逐层查找变量
public IConstant GetValue(String varName)
{
foreach (VariableTable table in tableStack.ToArray())
{
//找到最近层定义的变量后立即退出
if (table.GetValue(varName, out IConstant value))
{
return(value);
}
}
throw reporter.Throw("不能使用未定义的变量", VMExceptionType.UNDEFINED_VAR);
}
public bool DeclareIntVar(String varName)
{
if (varDict.ContainsKey(varName))
{
throw reporter.Throw("重复定义变量或函数名", VMExceptionType.REPEAT_DEFINE);
}
varDict.Add(varName, new IntConstant(0));
return(true);
}
/// <summary>
/// Initialie Membership Provider
/// </summary>
/// <param name="name">Membership Provider Name</param>
/// <param name="config">NameValueCollection of configuration items</param>
public override void Initialize(string name, NameValueCollection config)
{
// Verify that the configuration section was properly passed
if (config == null)
{
ExceptionReporter.ThrowArgument("ROLES", "CONFIGNOTFOUND");
}
// Retrieve information for provider from web config
// config ints
// Minimum Required Password Length from Provider configuration
_minimumRequiredPasswordLength = int.Parse(config ["minRequiredPasswordLength"] ?? "6");
// Minimum Required Non Alpha-numeric Characters from Provider configuration
_minRequiredNonAlphanumericCharacters = int.Parse(config ["minRequiredNonalphanumericCharacters"] ?? "1");
// Maximum number of allowed password attempts
_maxInvalidPasswordAttempts = int.Parse(config ["maxInvalidPasswordAttempts"] ?? "5");
// Password Attempt Window when maximum attempts have been reached
_passwordAttemptWindow = int.Parse(config ["passwordAttemptWindow"] ?? "10");
// Check whething Hashing methods should use Salt
_useSalt = Utils.Transform.ToBool(config ["useSalt"] ?? "false");
// Application Name
_appName = Utils.Transform.ToString(config ["applicationName"], "YetAnotherForum");
_passwordStrengthRegularExpression = Utils.Transform.ToString(config ["passwordStrengthRegularExpression"]);
// Password reset enabled from Provider Configuration
_enablePasswordReset = Utils.Transform.ToBool(config ["enablePasswordReset"] ?? "true");
_enablePasswordRetrieval = Utils.Transform.ToBool(config ["enablePasswordRetrieval"] ?? "false");
_requiresQuestionAndAnswer = Utils.Transform.ToBool(config ["requiresQuestionAndAnswer"] ?? "true");
_requiresUniqueEmail = Utils.Transform.ToBool(config ["requiresUniqueEmail"] ?? "true");
string strPasswordFormat = Utils.Transform.ToString(config ["passwordFormat"], "Hashed");
switch (strPasswordFormat)
{
case "Clear":
_passwordFormat = MembershipPasswordFormat.Clear;
break;
case "Encrypted":
_passwordFormat = MembershipPasswordFormat.Encrypted;
break;
case "Hashed":
_passwordFormat = MembershipPasswordFormat.Hashed;
break;
default:
ExceptionReporter.Throw("MEMBERSHIP", "BADPASSWORDFORMAT");
break;
}
base.Initialize(name, config);
}
public IntConstant AllocIntArray(int size)
{
if (size <= 0 || size > MAXSIZE)
{
throw reporter.Throw("数组下标越界", VMExceptionType.WRONG_INDEX);
}
Int32 address = GetRandomAddress();
int[] intArray;
intArray = new int[1] {
0
};
Array.Resize(ref intArray, size);
Array.Fill(intArray, 0);
heapMap.Add(address, intArray);
return(new IntConstant(address, IntUsage.ARRAYADDR));
}
