Teamplaid:Escape

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(eisimpleir)

Ùsaid - Usage[deasaich]

While primarily intended for use by other Lua modules, it can provide an alternative to multiple <nowiki>...</nowiki> tags when part of the desired output should be executed.

For example, {{Demo}} normally requires the demonstrated template to be wrapped in <nowiki>...</nowiki>. However, you may want part of the value to be shown in the 'pre' Tag to be processed before it reaches {{Demo}}, such as in the example below where the result of {{#invoke:Escape/testcases|test_string2}} is shown inside the <pre>...</pre> tags.

Còd - Code Buil - Result
{{Demo
|<!--not escaped: -->{{Escape | mode = kill 
  | char=; 
  | {*{#invoke:Escape ; main ; mode {{=}} kill ;
<!--unescaped:-->{{#invoke:Escape/testcases|test_string2}}<br>; { }*} 
  | * 
  | {{!}} }}
}}
{{#invoke:Escape | main | mode &#61| kill |
test { test {\{ test, \test, \{,test\ \ \ {\
| { }}

Lua error in Mòideal:Escape at line 63: attempt to call field '?' (a nil value).

Note how the * character, used to break up the {{ to prevent execution, is removed and how the ; character is replaced by |.

Neo-gnìomhadh - Non-execution[deasaich]

After removal of the Escape chars, the returned text is inert; i.e. not executed even without <pre>...</pre>. (The above example is executed only because {{Demo}} forces execution.)

For example, setting |mode=kill with \{\{done\}\} as the first parameter and nothing else will simply cause the default Escape character \ to be removed:

{{done}}

Eisimpleirean - Examples[deasaich]

Module talk:Escape/testcases