public IEnumerable <ExpressionInfo> DoAnalyse(string expression)
{
IKeyWordProvider keyWordProvider = UtilContainer.Resolve <IKeyWordProvider>();
var param = keyWordProvider.Param;
if (expression.IndexOf(param) < 0)
{
return(Enumerable.Empty <ExpressionInfo>());
}
IExpressionInfoBuilder builder = UtilContainer.Resolve <IExpressionInfoBuilder>();
ICollection <ExpressionInfo> expressionInfos = new List <ExpressionInfo>();
var paramStrArray = expression.Split(keyWordProvider.SplitChar).Where(p => p.StartsWith(keyWordProvider.Param)).Select(p => p.Replace(keyWordProvider.Param, string.Empty)).ToArray();
int index = 0;
foreach (var paramStr in paramStrArray)
{
var ei = builder.Build(expression, paramStr, keyWordProvider);
ei.StartIndex = expression.IndexOf(paramStr, index);
index = paramStr.Length + ei.StartIndex;
expressionInfos.Add(ei);
}
return(expressionInfos);
}
public string Regular(string expression, IEnumerable <ExpressionInfo> expressionInfos, Expression exps, IEnumerable <Type> staticTypes)
{
foreach (var expressionInfo in expressionInfos.OrderByDescending(e => e.StartIndex))
{
var regular = Create(expressionInfo);
if (regular == null)
{
continue;
}
expression = regular.Regular(expression, expressionInfo, exps, staticTypes);
}
IKeyWordProvider keyWordProvider = UtilContainer.Resolve <IKeyWordProvider>();
return(expression.Replace(keyWordProvider.Param, string.Empty));
}
public ExpressionInfo Build(string expression, string paramStr, IKeyWordProvider provider)
{
ParamMode mode;
if (paramStr.StartsWith(provider.ExpressionString))
{
mode = ParamMode.Expression;
}
else if (paramStr.StartsWith(provider.FuncString))
{
mode = ParamMode.Func;
}
else
{
mode = ParamMode.Param;
}
return(Build(expression, mode, paramStr, provider));
}
protected ExpressionInfo Build(string expression, ParamMode mode, string paramStr, IKeyWordProvider provider)
{
ExpressionInfo expressionInfo;
switch (mode)
{
case ParamMode.Expression:
{
var relatedExpressionInfo = new RelatedExpressionInfo();
var strArry = paramStr.Replace(provider.ExpressionString, string.Empty).Split(provider.ExpressionSplitChar);
relatedExpressionInfo.InvokeName = strArry[0];
if (strArry.Length == 2)
{
relatedExpressionInfo.ReturnTypeName = strArry[1];
}
expressionInfo = relatedExpressionInfo;
}
break;
case ParamMode.Func:
{
var funcExpressionInfo = new FuncExpressionInfo();
var strArry = paramStr.Replace(provider.FuncString, string.Empty).Split(provider.ExpressionSplitChar);
funcExpressionInfo.Name = strArry[0];
if (strArry.Length > 1)
{
funcExpressionInfo.InvokeName = strArry[1];
}
expressionInfo = funcExpressionInfo;
}
break;
default:
expressionInfo = new ExpressionInfo();
break;
}
expressionInfo.Mode = mode;
expressionInfo.Str = paramStr;
return(expressionInfo);
}
