CFLib.org – Common Function Library Project

TranslateMacromediaResourceFeed(s)

Last updated August 12, 2002

author

Jeffry Houser

Version: 2 | Requires: CF5 | Library: DataManipulationLib

Description:
This Page contains a function to take Macromedia's XML Resource feed and put it into ColdFusion variables. It will turn it into an array of structures. The structure will be in this format: structure.Type ( Type ) structure.Title ( The title ) structure.Author ( The author ) structure.URL ( The URL ) structure.Products ( An Array of Products ) Data Type Definition: http://www.macromedia.com/desdev/resources/macromedia_resources.dtd XML Feed: http://www.macromedia.com/desdev/resources/macromedia_resources.xml

Return Values:
Returns an array of structures.

Example:

<cfhttp url="http://www.macromedia.com/desdev/resources/macromedia_resources.xml" method="GET">
</cfhttp>

<cfset variables.ResourceFeed = TranslateMacromediaResourceFeed(cfhttp.FileContent)>

<cfdump var="#variables.ResourceFeed#">

Parameters:

Name Description Required
s variable containing the contents of the Macromedia XML feed. Usually CFHTTP.FileContent Yes

Full UDF Source:

/**
 * Function to translate Macromedia's XML Resource Feed into ColdFusion variables.
 * 
 * @param s      variable containing the contents of the Macromedia XML feed.  Usually CFHTTP.FileContent (Required)
 * @return Returns an array of structures. 
 * @author Jeffry Houser (jeff@farcryfly.com) 
 * @version 2, August 12, 2002 
 */
function TranslateMacromediaResourceFeed(S) {

    // the current token we are looking at 
    var Token = GetToken(S,1,"<>");
    
    // LoopControl needs to be initialized
    var LoopControl = 1;
    
    // Initialize the Current Query Row 
    var RowNumber = 1;

    // the number of the next token we are looking at 
    var NextToken = 2;
    
    var ResourceStruct = StructNew();

    // Initialize Return Query 
    var ResultQuery = QueryNew("Type, Title, Author, URL, ProductName");
    
    // loop until we are out of tokens 
    while(Token is not "/macromedia_resources"){
    
        switch(Left(Token,7)){

            case "resourc":{
                // if we are getting a resource token, we want to:
                // create a new blank structure 
                // and define the structure's type
                
                // define new structure
                ResourceStruct = StructNew();
                
                // add the type of entry to the structure
                StructInsert(ResourceStruct, "Type", GetToken(Token,  2, """"));

                // increment next token
                NextToken = NextToken + 1;
                break;
            } // end resource case            
            
            case "/resour":{
                // if we are getting a /resource token, we want to:
                // Create a new row in the query for each product 
                // Assuming the structure isn't empty 
                
                // copy existing structure into result array
                if (not StructIsEmpty(ResourceStruct)){
                    
                    for (LoopControl = 1 ; 
                         LoopControl LTE ArrayLen(ResourceStruct.Products) ; 
                         LoopControl = LoopControl+1){
                        
                        // add a new row to the query 
                        RowNumber = QueryAddRow(ResultQuery);
                        
                        // populate Query 
                        QuerySetCell(ResultQuery, "Type", ResourceStruct.Type, RowNumber);
                        QuerySetCell(ResultQuery, "Title", ResourceStruct.Title, RowNumber);
                        QuerySetCell(ResultQuery, "Author", ResourceStruct.Author, RowNumber);
                        QuerySetCell(ResultQuery, "URL", ResourceStruct.URL, RowNumber);
                        QuerySetCell(ResultQuery, "ProductName", ResourceStruct.Products[LoopControl], RowNumber);

                    }
                    
                }
                
                // increment next token
                NextToken = NextToken + 1;
                break;
            } // end resource case            


            case "title":{
                // if we are getting the title token, then we want to:
                // add the next token to our structure, because that will be our title text
                // increment the 'nexttoken' variable two increments past the end title token

                // add the title to the structure
                StructInsert(ResourceStruct, "Title", GetToken(S,  NextToken+1, "<>"));
                
                // increment next token
                NextToken = NextToken + 2;

                break;
            } // end title case

            case "author":{
                // if we are getting the author token, then we want to:
                // add the next token to our structure, because that will be our author text
                // increment the 'nexttoken' variable two increments past the end Author token

                // add the title to the structure
                StructInsert(ResourceStruct, "Author", GetToken(S,  NextToken+1, "<>"));
                
                // increment next token
                NextToken = NextToken + 2;
                
                break;
            } // end author case 


            case "url":{
                // if we are getting the url token, then we want to:
                // add the next token to our structure, because that will be our url text
                // increment the 'nexttoken' variable two increments past the end url token

                // add the title to the structure
                StructInsert(ResourceStruct, "URL", GetToken(S,  NextToken+1, "<>"));
                
                // increment next token
                NextToken = NextToken + 2;
                
                break;
            } // end url case 
            
            case "product":{ 
                // if the case is a product, we want to:
                // Pick out the name from the token and add it to our product array
                // increment the nexttoken variable once
                
                // if product array doesn't exist, create it
                if (not IsDefined("ResourceStruct.Products")){
                    StructInsert(ResourceStruct, "Products", ArrayNew(1));
                }
                
                // add product name to array 
                ArrayAppend(ResourceStruct.Products,GetToken(Token,  2, """"));
                
                // increment next token
                NextToken = NextToken + 1;
                
                break;
            } // end product case 

            
//                case "/title","/author","/url"
//                these cases or anything else not defined, we just ignore, but we still wanna get the 
//             next token
            default: {
                Token = GetToken(S,NextToken,"<>");
                NextToken = NextToken + 1;
                break;
            } // end default case 
        } // end switch
        Token = GetToken(S,NextToken,"<>");
    } // end while

    return (ResultQuery);
}

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