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Vorlage:Code snippet

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Wraps a short span of text in <syntaxhighlight> tags (see mw:Extension:SyntaxHighlight GeSHi). This template should be used for short samples; longer content should use <pre>...</pre> or <syntaxhighlight>...</syntaxhighlight>. See Help:Wiki markup for an explanation of what the various tags do.

If the content includes an equals sign (=), you must specify the parameter explicitly: {{code snippet|1=date=30 Feb 2010}}.

The template uses the <syntaxhighlight> tag with the attribute enclose="none". This works like the combination of the <code> and <nowiki> tags, applied to the expanded wikitext. For example, {{code snippet|some '''wiki''' text}} will not render the word "wiki" in bold, and will render the tripled-single-quotes:

some '''wiki''' text

However, {{code snippet|a {{tl}} call}} will still invoke the template:

a &#123;&#123;[[Template:{{{1}}}|{{{1}}}]]&#125;&#125; call

Use <nowiki>...</nowiki> around the template name to avoid this problem:

a {{tl}} call

When used inline with regular text, {{code}} generally looks best and is easiest to read when it is explicitly spaced apart from the regular text:

foo &nbsp;{{code|bar baz}}&nbsp; quux.

is well spaced:

foo  bar baz  quux.


foo {{code snippet|bar baz}} quux.

which is going to be visually confusing for many:

foo bar baz quux.

because "foo" and "bar" will seem more closely associated than "bar" and "baz"; the width of the space character in a monospaced font is almost always larger than in a proportional font.

Use parameter {{{2}}} (unnamed, as |2=, or more explicitly as |lang=) to specify a language for mw:Extension:SyntaxHighlight GeSHi. This option defaults to plain-text, i.e. no highlighting. There is no highlighting option for wikitext as a markup language, though html4strict and html5 are valid values, as are php, perl, css, javascript, mysql and many others. Attempting to use an invalid one causes a list of valid ones to be displayed in place of the template output, when the page is previewed or saved.

if {{{3}}} is set to yes, the template will append a "copy-to-clipboard"-link.

This template does not need to be substituted.


Markup Renders as
Lorem {{code snippet|ipsum '''dolor'''}} sit amet
Lorem ipsum '''dolor''' sit amet
The declaration {{code snippet|lang=cpp |int foo(const std::string& bar, const std::vector<long double*>& baz);}} is the prototype for a function defined later.
The declaration int foo(const std::string& bar, const std::vector<long double*>& baz); is the prototype for a function defined later.
If the code contains an [[wpen:equals sign]], such as {{code snippet|lang=javascript |code=var img = document.getElementsByTagName("img");|3=yes}}, you must identify the first parameter explicitly as {{{1}}} or {{{code}}}; see also [[:mediazilla:5138]].
If the code contains an wpen:equals sign, such as var img = document.getElementsByTagName("img"); , you must identify the first parameter explicitly as {{{1}}} or {{{code}}}; see also mediazilla:5138.

Included templates

Embedded templates do not function as expected inside {{code snippet}}; for longer, free-form blocks of code, which can contain templates such as {{var}}, use <code snippet>...</code snippet> as a wrapper instead of this template.

Templates used inside {{code snippet}} expose the rendered HTML— this can be useful. For example:

Markup Renders as
{{code snippet|
{{hidden |title=Title |content=}}
<div class="NavFrame collapsed" style="border:none;"><div class="NavHead" style="font-weight:bold;background:transparent;text-align:center;">Title</div><div class="NavContent" style="font-weight:normal;background:transparent;text-align:left;"></div></div>

The above example shows the HTML rendered by the mediawiki collapse mechanism.

See also