/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
else
{
string propertyName = ((BaseTag)tag).Property;
object value = null;
if (propertyName != null && propertyName.Length>0)
{
value = ObjectProbe.GetMemberValue(parameterObject, propertyName, this.AccessorFactory);
}
else
{
value = parameterObject;
}
if (value is ICollection)
{
return ((value == null) || (((ICollection) value).Count< 1));
}
else if (value != null && typeof(Array).IsAssignableFrom(value.GetType())) //value.GetType().IsArray
{
return ((Array) value).GetLength(0) == 0;
}
else
{
return ((value == null) || (System.Convert.ToString(value).Equals("")));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject)
{
ctx.FirstNonDynamicTagWithPrepend = null ;
if (tag.IsPrependAvailable)
{
ctx.IsOverridePrepend = true;
}
return BaseTagHandler.INCLUDE_BODY;
}
/// <summary>
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return false;
}
else
{
return ObjectProbe.HasReadableProperty(parameterObject, ((BaseTag)tag).Property);
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
public override int DoEndFragment(SqlTagContext ctx, SqlTag tag,
object parameterObject, StringBuilder bodyContent)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate.MoveNext())
{
string propertyName = ((BaseTag)tag).Property;
if (propertyName == null)
{
propertyName = "";
}
string find = propertyName + "[]";
string replace = propertyName + "[" + iterate.Index + "]";//Parameter-index-Dynamic
Replace(bodyContent, find, replace);
if (iterate.IsFirst)
{
string open = ((Iterate)tag).Open;
if (open != null)
{
bodyContent.Insert(0,open);
bodyContent.Insert(0,' ');
}
}
if (!iterate.IsLast)
{
string conjunction = ((Iterate)tag).Conjunction;
if (conjunction != null)
{
bodyContent.Append(conjunction);
bodyContent.Append(' ');
}
}
if (iterate.IsLast)
{
string close = ((Iterate)tag).Close;
if (close != null)
{
bodyContent.Append(close);
}
}
return BaseTagHandler.REPEAT_BODY;
}
else
{
return BaseTagHandler.INCLUDE_BODY;
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
if (parameterObject == null)
{
return true;
}
else
{
string propertyName = ((BaseTag)tag).Property;
object value;
if (propertyName != null && propertyName.Length>0 )
{
value = ObjectProbe.GetMemberValue(parameterObject, propertyName, this.AccessorFactory);
}
else
{
value = parameterObject;
}
return (value == null);
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
public virtual void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
if (tag.IsPrependAvailable)
{
if (bodyContent.ToString().Trim().Length > 0)
{
if (ctx.IsOverridePrepend && tag == ctx.FirstNonDynamicTagWithPrepend)
{
ctx.IsOverridePrepend = false;
}
else
{
bodyContent.Insert(0, tag.Prepend);
}
}
else
{
if (ctx.FirstNonDynamicTagWithPrepend != null)
{
ctx.FirstNonDynamicTagWithPrepend = null;
ctx.IsOverridePrepend =true;
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
long x = this.Compare(ctx, tag, parameterObject);
return ((x <= 0) && (x != ConditionalTagHandler.NOT_COMPARABLE));
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return (parameterObject != null);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject)
{
if (IsCondition(ctx, tag, parameterObject))
{
return BaseTagHandler.INCLUDE_BODY;
}
else
{
return BaseTagHandler.SKIP_BODY;
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return !base.IsCondition(ctx, tag, parameterObject);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="sqlTag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
protected long Compare(SqlTagContext ctx, SqlTag sqlTag, object parameterObject)
{
Conditional tag = (Conditional)sqlTag;
string propertyName = tag.Property;
string comparePropertyName = tag.CompareProperty;
string compareValue = tag.CompareValue;
object value1 = null;
Type type = null;
if (propertyName != null && propertyName.Length > 0)
{
value1 = ObjectProbe.GetMemberValue(parameterObject, propertyName, this.AccessorFactory);
type = value1.GetType();
}
else
{
value1 = parameterObject;
if (value1 != null)
{
type = parameterObject.GetType();
}
else
{
type = typeof(object);
}
}
if (comparePropertyName != null && comparePropertyName.Length > 0)
{
object value2 = ObjectProbe.GetMemberValue(parameterObject, comparePropertyName, this.AccessorFactory);
return CompareValues(type, value1, value2);
}
else if (compareValue != null && compareValue != "")
{
return CompareValues(type, value1, compareValue);
}
else
{
throw new DataMapperException("Error comparing in conditional fragment. Uknown 'compare to' values.");
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
public override int DoEndFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject, StringBuilder bodyContent)
{
return BaseTagHandler.INCLUDE_BODY;
}
/// <summary> /// /// </summary> /// <param name="ctx"></param> /// <param name="tag"></param> /// <param name="parameterObject"></param> /// <returns></returns> public abstract bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject);
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public virtual int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return BaseTagHandler.INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
public override void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate.IsFirst)
{
base.DoPrepend(ctx, tag, parameterObject, bodyContent);
}
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override bool IsCondition(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return (this.Compare(ctx, tag, parameterObject) == 0);
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
IterateContext iterate = (IterateContext) ctx.GetAttribute(tag);
if (iterate == null)
{
string propertyName = ((BaseTag)tag).Property;
object collection;
if (propertyName != null && propertyName.Length>0)
{
collection = ObjectProbe.GetMemberValue(parameterObject, propertyName, this.AccessorFactory);
}
else
{
collection = parameterObject;
}
iterate = new IterateContext(collection);
ctx.AddAttribute(tag, iterate);
}
if (iterate != null && iterate.HasNext)
{
return BaseTagHandler.INCLUDE_BODY;
}
else
{
return BaseTagHandler.SKIP_BODY;
}
}
