private static bool CheckValue(LogicalCheckItem item)
{
if (item.Value != null)
{
return(item.Value.Value);
}
bool value = CodeAnalyzerContext.Current.IncludeCondition.Contains(item.Word);
item.Value = item.IsNo ? !value : value;
return(item.Value.Value);
}
/// <summary>
/// 编译条件检查
/// </summary>
/// <param name="conditionWords">编译条件</param>
/// <returns>是否符合条件</returns>
private static bool CheckCondition(IEnumerable <string> conditionWords)
{
FixStack <List <LogicalCheckItem> > logicalStack = new FixStack <List <LogicalCheckItem> >();
logicalStack.Push(new List <LogicalCheckItem>());
bool nowIsNot = false;
int nowLogical = 0;
foreach (string word in conditionWords)
{
switch (word)
{
case "!":
nowIsNot = true;
continue;
case "(":
logicalStack.Current.Add(new LogicalCheckItem
{
IsNo = nowIsNot,
Logical = nowLogical
});
logicalStack.Push(new List <LogicalCheckItem>());
nowLogical = 0;
continue;
case ")":
bool value = CheckValue(logicalStack.Current);
logicalStack.Pop();
LogicalCheckItem cnt = logicalStack.Current.Last();
cnt.Value = cnt.IsNo ? !value : value;
continue;
case "&&":
nowLogical = 1;
continue;
case "||":
nowLogical = 2;
continue;
}
logicalStack.Current.Add(new LogicalCheckItem
{
IsNo = nowIsNot,
Word = word,
Logical = nowLogical
});
}
return(CheckValue(logicalStack.Current));
}
private static bool CheckValue(IList <LogicalCheckItem> items)
{
LogicalCheckItem pre = items[0];
CheckValue(pre);
if (items.Count == 1)
{
return(pre.Value.Value);
}
LogicalCheckItem[] array = items.Skip(1).ToArray();
//处理与关系
List <bool> values = new List <bool>
{
pre.Value.Value
};
foreach (LogicalCheckItem item in array)
{
//与逻辑的,直接和前一个进行与计算
if (item.Logical == 1)
{
if (values[values.Count - 1]) //值为真才需要计算,否则任何计算都是否
{
values[values.Count - 1] = CheckValue(item);
}
}
else
{
//或逻辑已有真值,直接返回
if (values.Any(p => p))
{
return(true);
}
//或逻辑的,保存在列表中或返回
values.Add(CheckValue(item));
}
}
//与关系只要一个真就可以
return(values.Any(p => p));
}
