Hello People, I have a project I am working on where there is a need to be able to "extend" a runtime environment with user-defined scripts (all your normal control statements like IF and WHILE etc - but with a controlled variable scope environment).
My question is, do any of you know of any work that has been done, or is in progress, for Cold Fusion in this area? Key Functionality Requirements: * MUST be run server-side (i.e. no Javascript on the client) * MUST NOT use Cold Fusion scripting directly (ie. no <cfinclude> type mechanism or add-in CFC's to be used, or evaluate()) but can mimic the CFSCRIPT syntax * the variable scope MUST be restricted to a defined core set (e.g. there may be a "woggle" collection of things that should be accessible) AND the script MUST NOT be able to access Cold Fusion variables that have not been exposed to the engine * MUST NOT require "code" to be stored in files (ie. code should be able to be in a database) * MUST be "easy to use" (assume some understanding of logic and mathematics - but no "cryptic" languages - CFSCRIPT Syntax is fine and a good example) * MUST NOT run like a dog with one leg (but would not have to handle "huge" scripts) * CF code itself MUST be primarily CFC based with "low level" extensibility in mind * MUST allow easy addition of new functions or objects to the "core" engine * MUST be Open Source I have already begun work on this and the "proof of concept" is sound so I will keep working on that if there is nothing else. But I just thought I would see if there is anything else out there that people know of. I have a prototype expression parser CFC and a prototype stack-based expression execution engine in CFML (being converted to a CFC) already. These are all based on CF syntax for the engine and "work" logically. I do not forsee any major challenges with the code excution engine (the expression engine is key to this). But I am both "lazy" and "urgent" so will take a short cut if there is anything else out there that can meet the requirements. Gary Menzel Web Development Manager IT Operations Brisbane -+- ABN AMRO Morgans Limited Level 29, 123 Eagle Street BRISBANE QLD 4000 PH: 07 333 44 828 FX: 07 3834 0828 **************************************************************************** If this communication is not intended for you and you are not an authorised recipient of this email you are prohibited by law from dealing with or relying on the email or any file attachments. This prohibition includes reading, printing, copying, re-transmitting, disseminating, storing or in any other way dealing or acting in reliance on the information. If you have received this email in error, we request you contact ABN AMRO Morgans Limited immediately by returning the email to [EMAIL PROTECTED] and destroy the original. We will refund any reasonable costs associated with notifying ABN AMRO Morgans. This email is confidential and may contain privileged client information. ABN AMRO Morgans has taken reasonable steps to ensure the accuracy and integrity of all its communications, including electronic communications, but accepts no liability for materials transmitted. Materials may also be transmitted without the knowledge of ABN AMRO Morgans. ABN AMRO Morgans Limited its directors and employees do not accept liability for the results of any actions taken or not on the basis of the information in this report. ABN AMRO Morgans Limited and its associates hold or may hold securities in the companies/trusts mentioned herein. Any recommendation is made on the basis of our research of the investment and may not suit the specific requirements of clients. Assessments of suitability to an individual's portfolio can only be made after an examination of the particular client's investments, financial circumstances and requirements. **************************************************************************** --- You are currently subscribed to cfaussie as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED] MXDU2004 + Macromedia DevCon AsiaPac + Sydney, Australia http://www.mxdu.com/ + 24-25 February, 2004
