/// <summary>
/// 将json字符串归一化，将有用的信息保留，让其更加紧凑
/// </summary>
public string PretreatmentProc()
{
string temp = "";
//string tempWord = "";
int i = 0;
int end = 0;
while (i < originData.Length)
{
//跳过那些无用的字符 ' ', '\t', '\r' '\n'
if (!string.IsNullOrEmpty(LexicalAnalysis.isSpecialSymbol(originData, i, ref end)))
{
i = end;
continue;
}
//跳过注释
if (!string.IsNullOrEmpty(/*tempWord = */ LexicalAnalysis.isComment(originData, i, ref end)))
{
//Debug.Log(tempWord);
i = end;
continue;
}
temp += originData[i];
i++;
}
return(temp);
}
private JsonSymbolItem buildSymbolItem(JsonSymbolItem rLastSymbol, int begin, ref int end)
{
if (originData[begin] == '{')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = "{", type = JsonSymbolType.ObjStart
});
}
else if (originData[begin] == '}')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = "}", type = JsonSymbolType.ObjEnd
});
}
else if (originData[begin] == '[')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = "[", type = JsonSymbolType.ArrayStart
});
}
else if (originData[begin] == ']')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = "]", type = JsonSymbolType.ArrayEnd
});
}
else if (originData[begin] == ',')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = ",", type = JsonSymbolType.ObjSplit
});
}
else if (originData[begin] == ':')
{
end = begin + 1;
return(new JsonSymbolItem()
{
value = ":", type = JsonSymbolType.ElementSplit
});
}
string tempWord = "";
//如果是关键字、数字或者字符串
if (!string.IsNullOrEmpty(tempWord = LexicalAnalysis.isKeyword(originData, begin, ref end)))
{
JsonSymbolItem rSymbol = new JsonSymbolItem()
{
value = tempWord, type = JsonSymbolType.Value, node = new JsonData(tempWord)
};
LexicalAnalysis.isSpecialSymbol(originData, end, ref end);
if (originData[end] == ':')
{
rSymbol.type = JsonSymbolType.Key;
rSymbol.node = null;
}
return(rSymbol);
}
if (!string.IsNullOrEmpty(tempWord = LexicalAnalysis.isDigit(originData, begin, ref end)))
{
JsonSymbolItem rSymbol = new JsonSymbolItem()
{
value = tempWord, type = JsonSymbolType.Value, node = new JsonData(tempWord)
};
LexicalAnalysis.isSpecialSymbol(originData, end, ref end);
if (originData[end] == ':')
{
rSymbol.type = JsonSymbolType.Key;
rSymbol.node = null;
}
return(rSymbol);
}
if (!string.IsNullOrEmpty(tempWord = LexicalAnalysis.isString(originData, begin, ref end)))
{
tempWord = tempWord.Substring(1, tempWord.Length - 2);
JsonSymbolItem rSymbol = new JsonSymbolItem()
{
value = tempWord, type = JsonSymbolType.Value, node = new JsonData(tempWord)
};
LexicalAnalysis.isSpecialSymbol(originData, end, ref end);
if (originData[end] == ':')
{
rSymbol.type = JsonSymbolType.Key;
rSymbol.node = null;
}
return(rSymbol);
}
//Debug.Log(string.Format("Json parse symbol item error! LastSymbol = {0}",
// rLastSymbol != null ? rLastSymbol.value : "null"));
isValid = false;
return(null);
}
/// <summary>
/// 解析Json
/// </summary>
public JsonNode Parser()
{
this.isValid = true;
int end = 0;
int i = 0;
JsonSymbolItem rCurSymbol = null;
JsonSymbolItem rLastSymbol = null;
Stack <JsonSymbolItem> rNodeStack = new Stack <JsonSymbolItem>();
while (i < this.originData.Length)
{
//跳过那些无用的字符 ' ', '\t', '\r' '\n' 注释
if (!string.IsNullOrEmpty(LexicalAnalysis.isSpecialSymbol(originData, i, ref end)) || !string.IsNullOrEmpty(LexicalAnalysis.isComment(originData, i, ref end)))
{
i = end;
continue;
}
rCurSymbol = buildSymbolItem(rLastSymbol, i, ref end);
if (rCurSymbol != null)
{
switch (rCurSymbol.type)
{
case JsonSymbolType.Unknown:
Model.Log.Error("Json format error.");
break;
case JsonSymbolType.ObjStart:
rCurSymbol.node = new JsonClass();
rNodeStack.Push(rCurSymbol);
break;
case JsonSymbolType.ObjEnd:
JsonNode rObject0 = new JsonClass();
while (rNodeStack.Count != 0 && rNodeStack.Peek().type != JsonSymbolType.ObjStart)
{
var rTopSymbol = rNodeStack.Pop();
if (rTopSymbol.type == JsonSymbolType.ObjSplit)
{
continue;
}
else if (rTopSymbol.type == JsonSymbolType.Element)
{
rObject0.AddHead(rTopSymbol.node.Key, rTopSymbol.node[rTopSymbol.node.Key]);
}
}
rNodeStack.Pop();
var rSymbol0 = new JsonSymbolItem();
rSymbol0.type = JsonSymbolType.Value;
rSymbol0.node = rObject0;
rSymbol0.value = rObject0.ToString();
Generate_ElementSymbol(ref rNodeStack, rSymbol0);
break;
case JsonSymbolType.ArrayStart:
rCurSymbol.node = new JsonArray();
rNodeStack.Push(rCurSymbol);
break;
case JsonSymbolType.ArrayEnd:
JsonNode rArray = new JsonArray();
while (rNodeStack.Peek().type != JsonSymbolType.ArrayStart)
{
var rTopSymbol = rNodeStack.Pop();
if (rTopSymbol.type == JsonSymbolType.ObjSplit)
{
continue;
}
else if (rTopSymbol.type == JsonSymbolType.Element)
{
rArray.AddHead(rTopSymbol.node);
}
}
rNodeStack.Pop();
var rSymbol = new JsonSymbolItem();
rSymbol.type = JsonSymbolType.Value;
rSymbol.node = rArray;
rSymbol.value = rArray.ToString();
Generate_ElementSymbol(ref rNodeStack, rSymbol);
break;
case JsonSymbolType.ObjSplit:
rNodeStack.Push(rCurSymbol);
break;
case JsonSymbolType.ElementSplit:
rNodeStack.Push(rCurSymbol);
break;
case JsonSymbolType.Key:
rNodeStack.Push(rCurSymbol);
break;
case JsonSymbolType.Value:
Generate_ElementSymbol(ref rNodeStack, rCurSymbol);
break;
default:
break;
}
i = end;
rLastSymbol = rCurSymbol;
continue;
}
i++;
}
return(rNodeStack.Peek().node);
}
