Fixed logic for excluding link text from search

PROMS/SQL/PROMS2010.SQL

@@ -10364,33 +10364,6 @@ IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_FirstLink]'
     DROP FUNCTION [vefn_FirstLink];
 GO
 
-/*
-select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 2)
-select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 1)
-select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 0)
-*/
-
-CREATE FUNCTION [dbo].[vefn_FirstLink](@text nvarchar(MAX),@includeLink int)
-RETURNS int
-WITH EXECUTE AS OWNER
-AS
-BEGIN
-DECLARE @index int
-SET @index = 0
-if(@includeLink = 2)
-	RETURN 0
-if(@includeLink = 1)
-	return CHARINDEX('\v' , @text)
-DECLARE @index2 int
-SET @index = PATINDEX('%[' + nchar(9574)+nchar(9516)+nchar(21) + ']%',@text)
-return @index
-END
-GO
--- Display the status of Proc creation
-IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_FirstLink Succeeded'
-ELSE PRINT 'ScalarFunction Creation: vefn_FirstLink Error on Creation'
-GO
-
 /****** Object:  StoredProcedure [vefn_FixSearchString] ******/
 IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_FixSearchString]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
     DROP FUNCTION [vefn_FixSearchString];
@@ -10603,13 +10576,11 @@ AS
 BEGIN
 DECLARE @index int
 DECLARE @index2 int
-SET @index = .dbo.vefn_FirstLink(@text,@includeLink)
+-- Strip Links
-while (@index != 0)
+IF @includeLink = 0 -- Remove Links
-  BEGIN
+	SET @text = [dbo].[vefn_RemoveRange](@text,'<START]' ,'[END>')
-		SET @index2 = CHARINDEX('\v0' , @text)
+IF @includeLink < 2 -- Remove Comments
-		SET @text = substring(@text,1,@index-1) + substring(@text,@index2+3,len(@text))
+	SET @text = [dbo].[vefn_RemoveRange](@text,'\v' ,'\v0')
-		SET @index = .dbo.vefn_FirstLink(@text,@includeLink)
- END
 if(@includeRtfFormatting=0)
 	-- Remove Rtf Formatting
 	BEGIN
@@ -10675,6 +10646,49 @@ IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_RemoveExtraText Succeeded'
 ELSE PRINT 'ScalarFunction Creation: vefn_RemoveExtraText Error on Creation'
 GO
 
+/****** Object:  StoredProcedure [vefn_RemoveRange] ******/
+IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_RemoveRange]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
+    DROP FUNCTION [vefn_RemoveRange];
+GO
+	
+/*
+SELECT ContentID, text, [dbo].[vefn_RemoveRange](text,'<START]','[END>') StrippedText
+from contents
+where contentid in (select top 25 ContentID from contents where text like '%[[]END>%')
+
+select top 25 * from contents where text like '%[[]END>%'
+
+SELECT ContentID, [dbo].[vefn_RemoveRange](text,'<START]','[END>') StrippedText
+from contents
+where contentid =189
+*/
+
+CREATE FUNCTION [dbo].[vefn_RemoveRange](@text nvarchar(MAX),@startToken nvarchar(MAX), @endToken nvarchar(MAX))
+RETURNS varchar(MAX)
+WITH EXECUTE AS OWNER
+AS
+BEGIN
+	DECLARE @index int
+	DECLARE @index2 int
+	DECLARE @lenStartToken int
+	DECLARE @lenEndToken int
+	SET @lenStartToken = len(@startToken)
+	SET @lenEndToken = len(@endToken)
+	SET @index = CHARINDEX(@startToken , @text)
+	while (@index != 0)
+		BEGIN
+			SET @index2 = CHARINDEX(@endToken , @text, @index + @lenStartToken)
+			SET @text = substring(@text,1,@index-1) + substring(@text,@index2+@lenEndToken,len(@text))
+			SET @index = CHARINDEX(@startToken , @text)
+		END
+	RETURN @text
+END
+GO
+-- Display the status of Proc creation
+IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_RemoveRange Succeeded'
+ELSE PRINT 'ScalarFunction Creation: vefn_RemoveRange Error on Creation'
+GO
+
 /****** Object:  StoredProcedure [vefn_SiblingAndChildrenItems] ******/
 IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_SiblingAndChildrenItems]') AND OBJECTPROPERTY(id,N'IsTableFunction') = 1)
     DROP FUNCTION [vefn_SiblingAndChildrenItems];