Exemple #1
0
            private bool ProcessVariable(VarSpec varSpec, bool multiVariableExpression = false)
            {
                var varname = varSpec.VarName.ToString();
                if (_ParameterNames != null) _ParameterNames.Add(varname);

                if (!_Parameters.ContainsKey(varname)
                    || _Parameters[varname] == null
                    || (_Parameters[varname] is IList && ((IList) _Parameters[varname]).Count == 0)
                    || (_Parameters[varname] is IDictionary && ((IDictionary) _Parameters[varname]).Count == 0))
                {
                    if (_resolvePartially == true)
                    {
                        if (multiVariableExpression)
                        {
                            if (varSpec.First)
                            {
                                _Result.Append("{");
                            }

                            _Result.Append(varSpec.ToString());
                        }
                        else
                        {
                            _Result.Append("{");
                            _Result.Append(varSpec.ToString());
                            _Result.Append("}");
                        }
                        return false;
                    }
                    return false;
                }

                if (varSpec.First)
                {
                    _Result.Append(varSpec.OperatorInfo.First);
                }
                else
                {
                    _Result.Append(varSpec.OperatorInfo.Seperator);
                }

                object value = _Parameters[varname];

                // Handle Strings
                if (value is string)
                {
                    var stringValue = (string)value;
                    if (varSpec.OperatorInfo.Named)
                    {
                        _Result.AppendName(varname, varSpec.OperatorInfo, string.IsNullOrEmpty(stringValue));
                    }
                    _Result.AppendValue(stringValue, varSpec.PrefixLength, varSpec.OperatorInfo.AllowReserved);
                }
                else
                {
                    // Handle Lists
                    var list = value as IList;
                    if (list == null && value is IEnumerable<string>)
                    {
                        list = ((IEnumerable<string>)value).ToList<string>();
                    } ;
                    if (list != null)
                    {
                        if (varSpec.OperatorInfo.Named && !varSpec.Explode)  // exploding will prefix with list name
                        {
                            _Result.AppendName(varname, varSpec.OperatorInfo, list.Count == 0);
                        }

                        _Result.AppendList(varSpec.OperatorInfo, varSpec.Explode, varname, list);
                    }
                    else
                    {

                        // Handle associative arrays
                        var dictionary = value as IDictionary<string, string>;
                        if (dictionary != null)
                        {
                            if (varSpec.OperatorInfo.Named && !varSpec.Explode)  // exploding will prefix with list name
                            {
                                _Result.AppendName(varname, varSpec.OperatorInfo, dictionary.Count() == 0);
                            }
                            _Result.AppendDictionary(varSpec.OperatorInfo, varSpec.Explode, dictionary);
                        }
                        else
                        {
                            // If above all fails, convert the object to string using the default object.ToString() implementation
                            var stringValue = value.ToString();
                            if (varSpec.OperatorInfo.Named)
                            {
                                _Result.AppendName(varname, varSpec.OperatorInfo, string.IsNullOrEmpty(stringValue));
                            }
                            _Result.AppendValue(stringValue, varSpec.PrefixLength, varSpec.OperatorInfo.AllowReserved);
                        }

                    }

                }
                return true;
            }
Exemple #2
0
            private void ProcessExpression(StringBuilder currentExpression)
            {

                if (currentExpression.Length == 0)
                {
                    _ErrorDetected = true;
                    _Result.Append("{}");
                    return;
                }

                OperatorInfo op = GetOperator(currentExpression[0]);

                var firstChar = op.Default ? 0 : 1;
                bool multivariableExpression = false;

                var varSpec = new VarSpec(op);
                for (int i = firstChar; i < currentExpression.Length; i++)
                {
                    char currentChar = currentExpression[i];
                    switch (currentChar)
                    {
                        case '*':
                            varSpec.Explode = true;
                            break;

                        case ':':  // Parse Prefix Modifier
                            var prefixText = new StringBuilder();
                            currentChar = currentExpression[++i];
                            while (currentChar >= '0' && currentChar <= '9' && i < currentExpression.Length)
                            {
                                prefixText.Append(currentChar);
                                i++;
                                if (i < currentExpression.Length) currentChar = currentExpression[i];
                            }
                            varSpec.PrefixLength = int.Parse(prefixText.ToString());
                            i--;
                            break;

                        case ',':
                            multivariableExpression = true;
                            var success = ProcessVariable(varSpec, multivariableExpression);
                            bool isFirst = varSpec.First;
                            // Reset for new variable
                            varSpec = new VarSpec(op);
                            if (success || !isFirst || _resolvePartially) varSpec.First = false;
                            if (!success && _resolvePartially) {_Result.Append(",") ; }
                            break; 
                        

                        default:
                            if (IsVarNameChar(currentChar))
                            {
                                varSpec.VarName.Append(currentChar);
                            }
                            else
                            {
                                _ErrorDetected = true;
                            }
                            break;
                    }
                }

                ProcessVariable(varSpec, multivariableExpression);
                if (multivariableExpression && _resolvePartially) _Result.Append("}");
            }