/// <summary>
/// 将每个 AI 编码及其对应的数据编码部分分离出来，以键值对的形式存入 List
/// </summary>
/// <returns></returns>
private void ParseInput()
{
if (rawData[0] != '(')
{
throw new ArgumentException("GS1-128 编码必须以小括号括起的 AI 代码开始！");
}
aiSet.Clear();
int left = -1; //左括号位置索引
int right = -1; //右括号位置索引
StringBuilder ai_Num = new StringBuilder();
StringBuilder ai_Data = new StringBuilder();
for (int i = 0; i < rawData.Length; i++)
{
if (rawData[i] == '(')
{
left = i;
right = -1;
if (ai_Num.Length != 0)
{
aiSet.Add(new KeyValuePair <string, string>(ai_Num.ToString(), ai_Data.ToString()));
}
ai_Num.Clear();
ai_Data.Clear();
continue;
}
else if (rawData[i] == ')')
{
right = i;
left = -1;
continue;
}
if (left != -1 && i > left)
{
ai_Num.Append(rawData[i]);
}
if (right != -1 && i > right)
{
ai_Data.Append(rawData[i]);
}
}
aiSet.Add(new KeyValuePair <string, string>(ai_Num.ToString(), ai_Data.ToString()));
//检查 AI 合法性
foreach (var pair in aiSet)
{
if (!CheckNumericOnly(pair.Key))
{
throw new ArgumentException("小括号中的 AI 代码必须为数字！");
}
AI_Struct ai_struct = ais[pair.Key];
CheckAIData(ai_struct, pair.Value);
//加入提示
Errors.Add("(" + ai_struct.AI_Num + ")：" + ai_struct.Name);
}
}
/// <summary>
/// 检查 AI 数据编码部分是否合法
/// </summary>
/// <param name="ai"></param>
/// <param name="ai_data"></param>
public void CheckAIData(AI_Struct ai, string ai_data)
{
if (ai_data.Length < ai.MinLen || ai_data.Length > ai.MaxLen)
{
throw new ArgumentException("AI：" + ai + "的数据编码部分长度不正确！");
}
if (ai.Comprise == CharType.Number)
{
if (!CheckNumericOnly(ai_data))
{
throw new ArgumentException("AI：" + ai + "的数据编码部分只能为数字！");
}
}
else
{
foreach (char c in ai_data)
{
if (!CheckChar(c))
{
throw new ArgumentException("AI：" + ai + "的数据编码部分存在非法字符！");
}
}
}
}
