Пример #1
0
        /// <summary>
        /// Processes the dynamic elements with old syntax $property$
        /// </summary>
        /// <param name="parameterObject">The parameter object.</param>
        /// <returns></returns>
        private string ProcessDynamicElementsOldSyntax(object parameterObject)
        {
            var textPropertyProbe = new TextPropertyProbe(sqlStatement);

            // code that was here has been moved as is into appropriate classes using a strategy pattern.
            return(textPropertyProbe.Process(new SimpleDynamicSqlTextTokenHandler(this.dataExchangeFactory, parameterObject)));
        }
Пример #2
0
        /// <summary>
        /// Processes the body children.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <param name="ctx">The CTX.</param>
        /// <param name="parameterObject">The parameter object.</param>
        /// <param name="childEnumerator">The child enumerator.</param>
        /// <param name="buffer">The buffer.</param>
        private void ProcessBodyChildren(
            RequestScope request,
            SqlTagContext ctx,
            object parameterObject,
            IEnumerator <ISqlChild> childEnumerator,
            StringBuilder buffer)
        {
            while (childEnumerator.MoveNext())
            {
                ISqlChild child = childEnumerator.Current;

                if (child is SqlText)
                {
                    // this represents the content within a mybatis xml tag, typically the hand-crafted sql itself
                    var sqlText = (SqlText)child;

                    if (sqlText.IsWhiteSpace)
                    {
                        buffer.Append(sqlText.Text);
                    }
                    else
                    {
                        // BODY OUT

                        var textPropertyProbe = new TextPropertyProbe(sqlText.Text);
                        // process the sql text content, replacing bindings and property usage.
                        var sqlStatment = textPropertyProbe.Process(new DynamicSqlTextTokenHandler(ctx, sqlText));

                        buffer.Append(" ");
                        buffer.Append(sqlStatment);

                        ctx.AddParameterMappings(sqlText);
                    }
                }
                else if (child is SqlTag)
                {
                    SqlTag         tag      = (SqlTag)child;
                    ISqlTagHandler handler  = tag.Handler;
                    int            response = BaseTagHandler.INCLUDE_BODY;

                    do
                    {
                        var body = new StringBuilder();

                        // if the tag is a bind element, add the bind element to a list so that we can later on work out how to replace variable usage.
                        if (tag is Bind)
                        {
                            ctx.RememberBinding((Bind)tag);
                        }

                        response = handler.DoStartFragment(ctx, tag, parameterObject);

                        // replace any bind variables found within the body content.
                        // what's a bit confusing here is that the body element is essentially populated by actions that take place after this line
                        // a recursive call could then be made which results in this being called again.
                        ctx.ReplaceBindingVariables(body);

                        if (response == BaseTagHandler.SKIP_BODY)
                        {
                            break;
                        }

                        ctx.CheckAssignFirstDynamicTagWithPrepend(tag);

                        ProcessBodyChildren(request, ctx, parameterObject, tag.GetChildrenEnumerator(), body);

                        response = handler.DoEndFragment(ctx, tag, parameterObject, body);

                        handler.DoPrepend(ctx, tag, parameterObject, body);

                        if (response == BaseTagHandler.SKIP_BODY)
                        {
                            break;
                        }

                        if (body.Length > 0)
                        {
                            // BODY OUT

                            if (handler.IsPostParseRequired)
                            {
                                var sqlText = InlineParameterMapParser.ParseInlineParameterMap(dataExchangeFactory, statement.Id, null, body.ToString());

                                sqlText.Parent = tag;

                                buffer.Append(sqlText.Text);

                                ctx.AddParameterMappings(sqlText);
                            }
                            else
                            {
                                buffer.Append(" ");
                                buffer.Append(body.ToString());
                            }
                            if (tag.IsPrependAvailable && tag == ctx.FirstNonDynamicTagWithPrepend)
                            {
                                ctx.IsOverridePrepend = false;
                            }
                        }
                    }while (response == BaseTagHandler.REPEAT_BODY);
                }
            }
        }