/// <summary>
///
/// </summary>
/// <param name="sqlText"></param>
/// <param name="parameterValues"></param>
/// <param name="escapeFunc"></param>
/// <returns></returns>
public KeywordProcessResult Process(string sqlText, IDictionary <string, object> parameterValues, Func <object, string> escapeFunc)
{
ArgumentAssertion.IsNotNull(sqlText, "sqlText");
ArgumentAssertion.IsNotNull(escapeFunc, "escapeFunc");
var result = new KeywordProcessResult();
result.SqlExpression = sqlText;
result.ParameterValues = parameterValues;
ProcessByKeyRegex(InKeyRegex, sqlText, parameterValues, result);
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="sqlText"></param>
/// <param name="parameterValues"></param>
/// <param name="escapeFunc"></param>
/// <returns></returns>
public KeywordProcessResult Process(string sqlText, IDictionary <string, object> parameterValues, Func <object, string> escapeFunc)
{
ArgumentAssertion.IsNotNull(sqlText, "sqlText");
ArgumentAssertion.IsNotNull(escapeFunc, "escapeFunc");
var result = new KeywordProcessResult();
result.SqlExpression = sqlText;
result.ParameterValues = parameterValues;
var macthes = LikeKeyRegex.Matches(sqlText);
foreach (Match macth in macthes)
{
if (false == result.IsMatch)
{
result.IsMatch = macth.Success;
}
if (macth.Success)
{
var paramName = macth.Groups["word"].Value;
var paramKey = FindParamKey(paramName, parameterValues);
if (null == paramKey)
{
throw new ArgumentOutOfRangeException(paramName, string.Format("Must define param :{0}", paramName));
}
var paramValue = parameterValues[paramKey];
if (null != paramValue)
{
var value = paramValue.ToString();
if (false == value.StartsWith("%") && false == value.EndsWith("%"))
{
value = string.Concat("%", value, "%");
parameterValues[paramKey] = value;
}
}
}
}
return(result);
}
private static void ProcessByKeyRegex(Regex keyRegex, string sqlText, IDictionary <string, object> parameterValues, KeywordProcessResult result)
{
var macthes = keyRegex.Matches(sqlText);
var processedParams = new List <string>(macthes.Count);
foreach (Match macth in macthes)
{
if (false == result.IsMatch)
{
result.IsMatch = macth.Success;
}
if (macth.Success)
{
var expression = macth.Value;
var paramName = macth.Groups["param"].Value;
var statement = macth.Groups["statement"].Value;
var paramKey = FindParamKey(paramName, parameterValues);
if (processedParams.Contains(paramName))
{
continue;
}
else if (null == paramKey)
{
throw new ArgumentOutOfRangeException(paramName, string.Format("Must define param :{0}", paramName));
}
var paramValue = parameterValues[paramKey];
var expressionResult = null == paramValue ? "" : statement;
result.SqlExpression = result.SqlExpression.Replace(expression, expressionResult);
}
}
}
private static void ProcessByKeyRegex(Regex keyRegex, string sqlText, IDictionary <string, object> parameterValues, KeywordProcessResult result)
{
var macthes = keyRegex.Matches(sqlText);
var processedParams = new List <string>(macthes.Count);
foreach (Match macth in macthes)
{
if (false == result.IsMatch)
{
result.IsMatch = macth.Success;
}
if (macth.Success)
{
var expression = macth.Value;
var paramName = macth.Groups["word"].Value;
var paramKey = FindParamKey(paramName, parameterValues);
if (processedParams.Contains(paramName))
{
continue;
}
else if (null == paramKey)
{
throw new ArgumentOutOfRangeException(paramName, string.Format("Must define param :{0}", paramName));
}
var paramValue = parameterValues[paramKey];
if (null != paramValue && paramValue is IEnumerable)
{
processedParams.Add(paramName);
parameterValues.Remove(paramKey);
var paramBuilder = new StringBuilder();
var list = (IEnumerable)paramValue;
var index = 0;
foreach (var item in list)
{
var tempName = string.Format("@_{0}_{1}", paramName, index);
paramBuilder.AppendFormat("{0}{1}", index > 0 ? "," : "", tempName);
parameterValues.Add(tempName, item);
index++;
}
var expressionResult = string.Format(" in({0}) ", paramBuilder.ToString());
result.SqlExpression = result.SqlExpression.Replace(expression, expressionResult);
result.ParameterValues = parameterValues;
}
}
}
}
