Шаблон:Xpd/док

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The expansion demo templates (see [1]) show, for documentation:

some wikitext
its rendering
a link to ExpandTemplates applied to the wikitext; thus it shows:
- The expanded wikitext.
- The rendering of this expanded wikitext

Template:xpd (везе уреди) selects one of the following four templates based on the number of unnamed parameters

Template:xpd0 (везе уреди) - simplified version of m:Template:xpdoc (повратни линкови уреди)
Template:xpd1 (везе уреди) - simplified version of m:Template:xpdopec (повратни линкови уреди)
Template:xpd2 (везе уреди) - simplified version of m:Template:xpdopepec (повратни линкови уреди)
Template:xpd3 (везе уреди) - simplified version of m:Template:xpdopepepec (повратни линкови уреди)

Examples

{{xpd|CURRENTDAY}} gives:

"{{CURRENTDAY}}" даје "14" [2]

{{xpd|#expr:2+2}} gives:

"{{#expr:2+2}}" даје "4" [3]

For more examples see the separate templates.

Separator parameter

The default separator is "gives". With gives={{!}}{{!}} to get "||" for use in a table, the same separator is used before the ExpandTemplates link.

Example:

{| class="wikitable"
!wikitext!!result!!ExpandTemplates
|-
|{{xpd|CURRENTDAY|gives={{!}}{{!}}}}
|-
|{{xpd|#expr:2+2|gives={{!}}{{!}}}}
|}

gives

wikitext	result	ExpandTemplates
`"{{CURRENTDAY}}"`	"14"	[4]
`"{{#expr:2+2}}"`	"4"	[5]

Quotes

The quotation marks are needed to see spaces and newlines at the start and end of the result. In other expand demo templates they are also needed to see spaces and newlines at the start and end of the wikitext, and to get a result independent of whether it starts on a line due to parameter {{{gives}}}.

Limitations

This Template:Xpd is a simplified version of some expansion demo templates. If necessary use the proper extended version.

Named parameters and parameter values with equals signs

Named parameters are not supported. Neither are equals signs in parameter values of the template or parser function demonstrated.

Examples:

{{xpd|1x| p{{=}}q }} gives "{{1x|p=q}}" даје " p=q " [6] - wrong result due to the template call in the parameter; is corrected by substitution and putting nowiki tags in the lefthand side (see below), giving {{1x| p{{=}}q }} gives p=q [7].
{{xpd|1x|2= p=q }} gives "{{1x|p=q}}" даје "p=q" [8] - wrong result because the lefthand side would be expanded interpreting p as named parameter, while the righthand side shows the result if the unnamed parameter of 1x has the given value; use {{xpdopec|1x|1|3= p=q }} giving "{{1x|1=p=q}}" даје "p=q" [9] or {{xpdnp|1x|1n=1|1v= p=q }} giving Шаблон:Xpdnp (spaces and newlines are trimmed).
{{xpd|t np|q=s}} gives: "{{t np}}" даје "Шаблон:T np" [10] ("q=s" is ignored); instead, use {{xpdopec|t np|q|s}} giving "{{t np|q=s}}" даје "Шаблон:T np" [11] or {{xpdnp|t np|1n=q|1v=s}} giving Шаблон:Xpdnp.

Even in the case of a parser function called with a parameter containing an equals sign the template for named parameters should be used:

{{xpd|#if:x|p=q}} gives: "{{#if:x}}" даје "" [12] ("p=q" is ignored); instead, use {{xpdnp|#if:x|1n=p|1v=q}} giving Шаблон:Xpdnp.

Rendering of left side

If no value for parameter p is given, the left-hand side, before "gives", does not show the literal wikitext of the parameters of the template or parser function demonstrated, but the rendering. This affects e.g. sequences of more than two spaces, and single newlines. Also link code is shown as a link. Furthermore, any templates and parser functions in the parameters are expanded; m:Template:xpdn (повратни линкови уреди) covers the simpler of such cases.

Examples:

{{xpd|1x|[[Help:Link]]}}

{{xpd|tl|p
q}}

gives:

"{{1x|[[Help:Link]]}}" даје "Help:Link" [13]

"{{tl|p q}}" даје "{{[[Шаблон:p q|p q]]}}" [14]

With substitution of xpd1 etc. (see below) and putting nowiki tags around the list of parameters the left hand side is corrected.

Also the input text of ExpandTemplates in the supplied link is the result of expanding the parameters.

Spaces and newlines

If parameters start or end with a space or newline, these are preserved. Even if the left-hand side, as mentioned, does not show the raw wikitext of the parameters but the rendering, the right-hand side gives the correct result.

Substitution

{{subst:xpd|substnp=subst:|t1|p}} gives the wikitext {{xpd1|t1|p}}
{{subst:xpd|substnp=subst:|t2|p|q}} gives the wikitext {{xpd2|t2|p|q}}
{{subst:xpd|substnp=subst:|concat|p|q|r}} gives the wikitext {{xpd3|concat|p|q|r}}

Note that except in the case of long and complicated parameters, adding the number of parameters after "xpd" is easier than adding "subst:" and "|substnp=subst:".

With substitution of xpd1 etc. and putting nowiki tags around the list of parameters the left hand side is given literally without conversions, see also above.