Help in BIDI Algrothim

Hello ,
I am in Process of Implememting BIDI Algrothim.
The Algrothim is Discussed in UAX# 9 at www.unicode.org ,
Actually i am Not Able to Get How does The Process Works .
What i Have Understood I Will Just Expalin To U all u Can Just 
Point Where Am i Going Wrong .
First Quest?? From Where do We Assign the Character Type to The 
Charcter or is it Provided in Unicode i.e How do We Get the Type 
of Charcter ,do We Get it or We Have to Decide It .
Secondly if We Get The Char Type From Unicode What Are The Types 
Provided By It .
How do Assign The LRE/RLE/LRO/RLO to The Characters,
If i Am Able To Get This Query Answered Then Assigning the Levels 
to The Charcters Is to Be Done With X2-X9 WI-..NI Levels .
After Assiging the Levels Another Quetion Comes
How to Reorder the String .
Is it Using the L2. : Reverse All The Levels Starting From Highest 
Embedding Level to The Lowest Odd Level.
Friends Please Do No Tell me to Go To ths Site I Have Surfed the 
Net But if SomeOne Can Explain these To Queries i WIll Be Grateful 
to Them And will Very Grateful if Some One Can Provide Me With the 
Workable Code in C/C++ As the Code i Have is Not Working
Please Try And Understand Bcos I Have Just Entered The Field of 
Unicode .
Waiting for ur Valuable Suggestions
Regards
Praveen

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