Ejemplo n.º 1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="ctx"></param>
        /// <param name="tag"></param>
        /// <param name="parameterObject"></param>
        /// <returns></returns>
        /// Updated By: Richard Beacroft
        /// Updated Date: 11\10\2013
        /// Description: Enables one to be able to have sql text within an iterate element that references the current item as "[]."
        /// This is then parsed, along with any reflection path suffix to get the object instance the used is interested in.
        /// and add it to an attributes collection for later use.
        public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
        {
            var iterate = (IterateContext)ctx.GetAttribute(tag);

            if (iterate == null)
            {
                var baseTag = (BaseTag)tag;

                object collection;

                if (!string.IsNullOrEmpty(baseTag.Property))
                {
                    // this will either leave the property name as it is, or if it starts with "[].", the
                    // current iterate context item value will be used, with the rest of the property name
                    // walked to determine the field/property to get the value from.
                    collection = _tagPropertyProbe.GetMemberPropertyValue(ctx, baseTag, parameterObject);
                }
                else
                {
                    collection = parameterObject;
                }

                iterate = new IterateContext(collection);

                ctx.AddAttribute(tag, iterate);

                // if there is another item in the iterate array, then we need to include the body.
                if (iterate.MoveNext())
                {
                    return(INCLUDE_BODY);
                }

                iterate.IsCompleted = true;

                return(SKIP_BODY);
            }

            if (iterate.IsCompleted)
            {
                // reset the context to cater for nested iterations.
                ctx.RemoveAttibute(tag);
                // now re-process the tag which will re-add the now modified tag element back to the attributes collection.
                return(DoStartFragment(ctx, tag, parameterObject));
            }
            else if (iterate.HasNext || iterate.IsLast)
            {
                if (iterate.MoveNext())
                {
                    return(INCLUDE_BODY);
                }
            }

            return(SKIP_BODY);
        }
Ejemplo n.º 2
0
        /// <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(REPEAT_BODY);
            }
            return(INCLUDE_BODY);
        }
Ejemplo n.º 3
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="ctx"></param>
        /// <param name="tag"></param>
        /// <param name="parameterObject"></param>
        /// <returns></returns>
        /// Updated By: Richard Beacroft
        /// Updated Date: 11\10\2013
        /// Description: Enables one to be able to have sql text within an iterate element that references the current item as "[]."
        /// This is then parsed, along with any reflection path suffix to get the object instance the used is interested in.
        /// and add it to an attributes collection for later use.
        public override int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
        {
            var iterate = (IterateContext)ctx.GetAttribute(tag);

            if (iterate == null)
            {
                var baseTag = (BaseTag)tag;

                object collection;

                if (!string.IsNullOrEmpty(baseTag.Property))
                {
                    // this will either leave the property name as it is, or if it starts with "[].", the 
                    // current iterate context item value will be used, with the rest of the property name
                    // walked to determine the field/property to get the value from.
                    collection = _tagPropertyProbe.GetMemberPropertyValue(ctx, baseTag, parameterObject);
                }
                else
                {
                    collection = parameterObject;
                }

                iterate = new IterateContext(collection);

                ctx.AddAttribute(tag, iterate);

                // if there is another item in the iterate array, then we need to include the body.
                if (iterate.MoveNext())
                    return INCLUDE_BODY;

                iterate.IsCompleted = true;

                return SKIP_BODY;
            }

            if (iterate.IsCompleted)
            {
                // reset the context to cater for nested iterations.
                ctx.RemoveAttibute(tag);
                // now re-process the tag which will re-add the now modified tag element back to the attributes collection.
                return DoStartFragment(ctx, tag, parameterObject);
            }
            else if (iterate.HasNext || iterate.IsLast)
            {
                if (iterate.MoveNext())
                    return INCLUDE_BODY;
            }

            return SKIP_BODY;
        }