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https://issues.apache.org/jira/browse/MYFACES-3612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460606#comment-13460606
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Leonardo Uribe commented on MYFACES-3612:
-----------------------------------------
If no objections, I'll commit the attached patch soon.
> [perf] compress/remove spaces for facelets html markup
> ------------------------------------------------------
>
> Key: MYFACES-3612
> URL: https://issues.apache.org/jira/browse/MYFACES-3612
> Project: MyFaces Core
> Issue Type: New Feature
> Components: JSR-314
> Reporter: Leonardo Uribe
> Attachments: MYFACES-3612-compressSpaces-2.patch
>
>
> Facelets algorithm usually takes almost all spaces in a page and output them
> directly. The algorithm only trim the spaces on the right, but it doesn't do
> anything about the spaces/tabs on the left.
> Thinking about how to solve this properly, I notice html markup is compiled
> in a list of Instruction instances, that follows a command pattern to do
> calls over ResponseWriter. It is possible to use that information and decide
> when remove all spaces between two elements or when just let one space or
> line break in between or at the begin/end of the html markup.
> This optimization can reduce effectively the amount of information sent to
> the client with minimal side effects. Anyway, to keep compatibility with the
> reference implementation (and keep running some tests) we cannot enable this
> one by default.
> The proposal is add an extra element in faces-config file like this:
> <faces-config xmlns="http://java.sun.com/xml/ns/javaee";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
>
> http://java.sun.com/xml/ns/javaee/web-facesconfig_2_1.xsd";
> version="2.1">
> <faces-config-extension>
> <facelets-processing>
> <file-extension>.xhtml</file-extension>
> <process-as>xhtml</process-as>
> <oam-compress-spaces>true</oam-compress-spaces>
> </facelets-processing>
> </faces-config>
> Suggestions are welcome.
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