Re: [xwiki-devs] Ending macro syntax as macro content

Vincent Massol wrote:

On Apr 9, 2010, at 2:14 PM, Andreas Jonsson wrote:

...

Hi,

I prefer a solution where the end token is changed rather than the content. Look at the embedded parser construction in MoinMoin syntax for an example.

I instead propose to introduce an instruction to the parser in the start-tag to expect a different end token. Something like:

{{foo #endtag:foobar}} content {{/foo}} still content {{/foobar}}

Not a bad idea. It would be backward compatible too.

...

For verbatim we could use the same technique as MoinMoin, either:

{{{{ content }}} more content }}}}

or:

{{{arbitrarystringofalphanumerics content }}} more content arbitrarystringofalphanumerics}}}

This would change our syntax since right now we can write: {{{hello}}}

Your solution would loose the ability to have inline verbatim.

I am not proposing that this style is used for inlined verbatim only for blocks. So the start token is only a start token if it stands on a line by itself outside of any pargraph. Best regards, Andreas Jonsson

Thanks -Vincent

...

Best regards,

Andreas Jonsson

Thomas Mortagne wrote:

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Hi devs,

We have a limitation in the xwiki/2.0 parser related to the way macros are parsed: impossible to have the ending syntax of a macro as content of this macro.

Here is the related jira issue: http://jira.xwiki.org/jira/browse/XWIKI-5077

A good example is: i want to have "{{/code}}" alone as the content of a code macro. That's impossible.

The only way to have {{/code}} in the content is with:

{{code}} {{code}} {{/code}} {{/code}}

or

{{code}} ~{{/code}} {{/code}}

but in the first case you get "{{code}}" you did not want and in the second you get "~" you did not want.

Only solution i can see is to specifically handle escaping of ending macro syntax inside macros of the same name.

Here is some examples:

1)

{{code}} ~{{/code}} {{/code}}

would give code macro containing "{{/code}}"

2)

{{code}} ~{{/somemacro}} {{/code}}

would give code macro containing "~{{/somemacro}}"

3)

{{code}} ~~{{/code}} {{/code}}

would give code macro containing "~" followed by the text "{{/code}}"

4)

{{code}} ~~~{{/code}} {{/code}}

would give code macro containing "~{{/code}}"

5)

Then double escaping for each level to escape:

{{box}} {{box}} ~~~{{/box}} {{/box}} {{/box}}

would give box macro containing a box macro containing the text "{{/box}}": the first pass change "~~~{{/box}}" into "~{{/box}}" like in example 4) and the second pass escape "{{/box}}" like in example 1).

So WDYT ?

Here is my +1

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