On Aug 5, 2009, at 1:23 PM, Vincent Massol wrote:

>
> On Aug 5, 2009, at 1:18 PM, Vincent Massol wrote:
>
>> Hi,
>>
>> I'd like to propose the following API changes to the Rendering  
>> module:
>>
>> 1) Modify PrintRendererFactory
>>
>> a) There's now one factory component per Renderer type with the  
>> following interface:
>>
>> public interface PrintRendererFactory
>> {
>>   /**
>>    * @return the Syntax supported by the Renderer type
>>    * @since 2.0M3
>>    */
>>   Syntax getSyntax();
>>
>>   /**
>>    * @param printer the printer to use to output renderer data
>>    * @return a new Renderer instance (stateful)
>>    * @since 2.0M3
>>    */
>>   PrintRenderer createRenderer(WikiPrinter printer);
>> }
>>
>> b) The getAvailableSynatxes() doesn't exist anymore. It's been  
>> moved to SyntaxFactory, see below.
>>
>> 2) Modify SyntaxFactory
>>
>> a) Remove getAvailableSyntaxes() since there are different types of  
>> syntaxes: Parser syntaxes, Renderer syntaxes and even amongst  
>> Parser/Renderer there will be different types of them: streaming,  
>> block. Thus the new strategy is for client code to directly ask for  
>> syntaxes by looking up the objects against the CM.  
>> getAvailableSyntaxes() has been deprecated.
>>
>> 3) Introduce BlockRenderer
>>
>> @ComponentRole
>> public interface BlockRenderer
>> {
>>   /**
>>    * @param block the block to render in the target syntax
>>    * @param printer the object where to output the result of the  
>> rendering
>>    */
>>   void render(Block block, WikiPrinter printer);
>>
>>   /**
>>    * @param blocks the list of blocks to render in the target syntax
>>    * @param printer the object where to output the result of the  
>> rendering
>>    * @todo remove this API once we introduce the notion of  
>> BlockCollection
>>    */
>>   void render(Collection<Block> blocks, WikiPrinter printer);
>> }
>>
>> Goals:
>> a) Have 2 types of Renderers (as we'll have 2 types of Parsers in  
>> the future): Stream and Block
>> b) reduce code duplication since using the BlockRenderer will  
>> simplify the client code
>>
>> 4) Introduce Converter
>>
>> @ComponentRole
>> public interface Converter
>> {
>>   void convert(Reader source, Syntax sourceSyntax, Syntax  
>> targetSyntax, WikiPrinter printer)
>>       throws ConversionException;
>> }
>
> + boolean runTransformations in the parameters in a second signature.

Actually strike this. I think we should always run transformations in  
the converter. If the user doesn't want them then he'll use the parser  
and renderer directly.

-Vincent

>
> -Vincent
>
>>
>> Goal: Simplify client code when the need is pure conversion.
>>
>> 5) Move Renderer's implementation classes (components now) in the  
>> internal package
>>
>> They're now components and thus we can move them in the internal  
>> package.
>>
>> Here's my +1 to all
>>
>> Thanks
>> -Vincent
>

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