Options/init

<includeonly><!-- 
set flag:
-->{{#vardefine:optionsInitialized:{{{1|}}}|y}}<!-- 

-->{{#vardefine:options:{{{1|}}}:<__invalid__>|{{error|Inexistent option key}}}}<!-- 

all $key=$default_value pairs
-->{{#vardefine:optionsKeys:{{{1|}}}|}}<!-- 
-->{{#forargs:key:|$key|$value|<!-- 
	-->{{#vardefine:optionsKeys:{{{1|}}}|{{#var:optionsKeys:{{{1|}}}}}{{#var:$key}},}}<!-- append to key list
	-->{{#vardefine:optionsAlias:{{{1|}}}:{{#var:$key}}|{{#var:$key}}}}<!-- register key alias (for better performance)
	//default value:
	-->{{#switch:{{#var:$value}}<!-- 
	-->|(bool:true)=<!-- this option is bool type, for stored value: empty means true, nonempty means false.
		-->{{#vardefine:options:{{{1|}}}:{{#var:$key}}|}}<!-- default is empty
		// input mapping: y/yes/on => (empty), n/no/off => n
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:y|}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:yes|}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:on|}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:no|n}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:off|n}}<!-- 
	-->|(bool:false)=<!-- this option is bool type, for stored value: empty means false, nonempty means true.
		-->{{#vardefine:options:{{{1|}}}:{{#var:$key}}|}}<!-- default is empty
		// input mapping: y/yes/on => y, n/no/off => (empty)
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:yes|y}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:on|y}}<!--
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:n|}}<!--
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:no|}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:off|}}<!-- 
	-->|(bool)=<!-- this option is bool type, for stored value: "y" means true, "n" means false, other means undefined.
		-->{{#vardefine:options:{{{1|}}}:{{#var:$key}}|}}<!-- default is empty
		// input mapping: y/yes/on => y, n/no/off => n
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:yes|y}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:on|y}}<!--
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:no|n}}<!-- 
		-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}:off|n}}<!-- 

	-->|#default=<!-- 
		-->{{#vardefine:options:{{{1|}}}:{{#var:$key}}|{{#var:$value}}}}<!-- 
	-->}}<!-- 
-->}}<!-- 
-->{{#arraydefine:optionsKeys:{{{1|}}}|{{#var:optionsKeys:{{{1|}}}}}|,|unique}}<!-- 
key alias:
-->{{#forargs:alias:|$key|$value|<!-- 
	-->{{#vardefine:optionsAlias:{{{1|}}}:{{#var:$key}}|{{#var:$value}}}}<!-- 
-->}}<!-- 
value alias:
-->{{#forargs:value:|$key|$value|<!-- 
	-->{{#vardefine:optionsValueAlias:{{{1|}}}:{{#var:$key}}|{{#var:$value}}}}<!-- here $key is "name:value"
-->}}<!-- 

//make an init snapshot.
//don't use {{options/snap}} here to avoid template loop
-->{{#arrayprint:optionsKeys:{{{1|}}}||@@@@|<!-- 
	-->{{#vardefine:optionsSnap:{{{1|}}}:__RESET__:@@@@|{{#var:options:{{{1|}}}:{{#var:optionsAlias:{{{1|}}}:@@@@|<__invalid__>}}}}}}<!-- 
-->}}<!-- 

==== doc mode: gen doc, table rows ====
-->{{#if:{{#var:__FLAG_OPTIONS_AUTODOC__}}|<!-- 
	key name:
	-->{{#arrayprint:optionsKeys:{{{1|}}}||@@@@|<!-- 
		-->{{#vardefine:optionsDoc:@@@@|<td><code>@@@@</code></td><td>}}<!-- 
	-->}}<!-- 
	key alias:
	-->{{#forargs:alias:|$key|$value|<!-- $key is alias, $value is origin key name.
		-->{{#vardefine:optionsDoc:{{#var:$value}}|{{#var:optionsDoc:{{#var:$value}}}}<code>{{#var:$key}}</code><br/>}}<!-- 
	-->}}<!-- 
	initial value:
	-->{{#arrayprint:optionsKeys:{{{1|}}}||@@@@|<!-- 
		-->{{#vardefine:optionsDoc:@@@@|{{#var:optionsDoc:@@@@}}</td><td><code>{{#var:options:{{{1|}}}:@@@@|<i><small>(empty)</small></i>}}</code></td><td>}}<!-- 
	-->}}<!-- 
	value alias:
	-->{{#forargs:value:|$key|$value|<!-- 
		//here $key is "name:value"
		-->{{#vardefine:_key|{{#explode:{{#var:$key}}|:|0|2}}}}<!-- 
		-->{{#vardefine:_from|{{#explode:{{#var:$key}}|:|1|2}}}}<!-- 
		-->{{#vardefine:optionsDoc:{{#var:_key}}|{{#var:optionsDoc:{{#var:_key}}}}<code>{{#var:_from}}</code> → <code>{{#var:$value|<i><small>(empty)</small></i>}}</code><br/>}}<!-- 
	-->}}<!-- 
	// (bool:true) and (bool:false)
	-->{{#forargs:key:|$key|$value|<!-- 
		-->{{#switch:{{#var:$value}}<!-- 
		-->|(bool:true)=<!-- this option is bool type, for stored value: empty means true, nonempty means false.
			// input mapping: y/yes/on => (empty), n/no/off => n
			-->{{#vardefine:optionsDoc:{{#var:$key}}|{{#var:optionsDoc:{{#var:$key}}}}<!-- 
				--><code>y</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
				--><code>yes</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
				--><code>on</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
				--><code>no</code> → <code>n</code><br/><!-- 
				--><code>off</code> → <code>n</code><br/><!-- 
			-->}}<!-- 
		-->|(bool:false)=<!-- this option is bool type, for stored value: empty means false, nonempty means true.
			// input mapping: y/yes/on => y, n/no/off => (empty)
			-->{{#vardefine:optionsDoc:{{#var:$key}}|{{#var:optionsDoc:{{#var:$key}}}}<!-- 
				--><code>yes</code> → <code>y</code><br/><!-- 
				--><code>on</code> → <code>y</code><br/><!-- 
				--><code>n</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
				--><code>no</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
				--><code>off</code> → <code><i><small>(empty)</small></i></code><br/><!-- 
			-->}}<!-- 
		-->|(bool)=<!-- this option is bool type, for stored value: "y" means true, "n" means false, other means undefined.
			// input mapping: y/yes/on => y, n/no/off => n
			-->{{#vardefine:optionsDoc:{{#var:$key}}|{{#var:optionsDoc:{{#var:$key}}}}<!-- 
				--><code>yes</code> → <code>y</code><br/><!-- 
				--><code>on</code> → <code>y</code><br/><!-- 
				--><code>no</code> → <code>n</code><br/><!-- 
				--><code>off</code> → <code>n</code><br/><!-- 
			-->}}<!-- 
		-->|#default=<!-- nothing 
		-->}}<!-- 
	-->}}<!-- 

	-->{{#vardefine:__FLAG_OPTIONS_AUTODOC__|}}<!-- reset flag
-->}}<!-- 

--></includeonly><noinclude>

example:
<pre>
{{options/init|item<!-- 
-->|key:icons=yes<!-- default value of "icons" option is "yes"
-->|key:small=no<!-- default value of "small" option is "no"
-->|value:small:n=no<!-- value "n" for "small" is same as "no", {{options/set|item|small=n}} is same as {{options/set|item|small=no}}
-->|key:style=<!-- default value of "style" is empty value.
-->|alias:css=style<!-- "css" is an alias of "style", so {{options|item|css}} is same as {{options|item|style}}
-->|key:wrap=(bool:true)<!-- bool value, default value is empty, empty value means true, nonempty value means false
-->|key:nolink=(bool:false)<!-- default value is empty, e, nonempty value means false
-->}}
</pre>

See {{tl|options}} for more info.
{{language info|en=Template:Options/init}}
</noinclude>