แม่แบบ:Yesno-yes
yes
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{{Yesno}} (or {{YesNo}}) evaluates any input and produces a normalized yes or nil output, based on the content of the input and several configurable options. It is not used in article prose, but in coding complex templates.
การใช้งาน
The template distinguishes five different types of input, supplied on the first unnamed parameter:
- Yes: Case-insensitive forms of
Yes,y,true,on, and1; e.g.{{Yesno|yEs|yes=foo}}} → foo - No: Case-insensitive forms of
No,n,false,off, and0; e.g.{{Yesno|off|no=bar}}} → bar - Blank: When the input is defined but either contains no value or consists of whitespace characters only; i.e.
{{Yesno||blank=bax}}or{{Yesno| |blank=qux}}} → bax and qux - Negation: When the input is either
¬(alt code 170) or entirely missing; i.e.{{Yesno|¬|¬=lorem}}} or{{Yesno|¬=ipsum}}→ lorem and ipsum - Anything else: e.g.
{{Yesno|foo bar lorem ipsum|def=foo bar lorem ipsum}}→ foo bar lorem ipsum
By default, the template returns "yes" in the 1st and 5th case but returns nil (blank, empty string) in the other cases (case 2, 3 and 4).
Two short-hand templates for the most common uses that override the default behavior:
{{yesno-yes}}or{{YesNo-Yes}}– always returns "yes" (or the specified replacement result in|yes=) unless an explicit negative value is given (case 4); i.e., it evaluates to "yes" even when the value is empty or missing (cases 2 and 3).{{yesno-no}}or{{YesNo-No}}– always returns "no" (or the specified replacement result in|no=) unless an explicit positive value is given (case 1); i.e., it evaluates to "no" even when the value is present, as long as it does not contain anything that resolves to "yes".
Customizing the output
Template's default output can be customized with five named parameters, respectively: |yes=, |no=, |blank=, |¬= and |def=. If these parameters are specified, the template response is as follows:
- Yes: Template returns the contents of
|yes=, otherwise returns "yes". For example: - No: Template returns the contents of
|no=, otherwise returns blank. For example: - Nothing: Template returns the contents of
|blank=, or of|no=in absence of the former; otherwise, returns blank. - Negation: Template returns the contents of
|¬=, otherwise returns blank. For example:{{yesno|¬|¬=sausage}}results in "sausage"
- Anything else: Template returns the contents of
|def=, or of|yes=in absence of the former; otherwise, returns "yes".
For the named parameters, use of a blank value is not the same as omitting the parameter. A blank named parameter tells the template that the customized return value is blank. For example:
Logical distinctions
Overview of {{yesno}} logical values and their associated texts | ||||||
|---|---|---|---|---|---|---|
| Input parameter 1 ( 1=) |
In code | Logical return value | Default return text |
Return text when set:yes=Posno=Negblank=Blank¬=Undefineddef=Def |
Note | |
| yes, y, true, 1* | {{yesno|yes}} |
yes by definition |
"yes" | "Pos" | * Case-insensitive (Y=y) | |
| Some Text | {{yesno|Some Text}} |
yes by default |
"yes" | "Def" | "Pos" when def=[omitted] | |
| no, n, false, 0* | {{yesno|no}} |
no by definition |
"" [blank] | "Neg" | * Case-insensitive (N=n) | |
| [blank] | {{yesno|}} |
blank |
"" [blank] | "Blank" | "Neg" when blank=[omitted] | |
| 1=[blank] | {{yesno|1=}} |
blank |
"" [blank] | "Blank" | "Neg" when blank=[omitted] | |
| ¬ | {{yesno|¬}} |
¬ |
"" [blank] | "Undefined" | ||
| [omitted] | {{yesno}} |
¬ |
"" [blank] | "Undefined" | ||
| Comparison with related templates | |||
|---|---|---|---|
Input parameter 1 (1=) |
{{yesno}} | {{yesno-yes}} | {{yesno-no}} |
| yes, y, true, 1* | "yes" | "yes" | "yes" |
| Some Text | "yes" | "yes" | "no" |
| no, n, false, 0* | "" [blank] | "no" | "no" |
| [blank] | "" [blank] | "yes" | "no" |
| 1=[blank] | "" [blank] | "yes" | "no" |
| ¬ | "" [blank] | "yes" | "no" |
| [omitted] | "" [blank] | "yes" | "no" |
Full parameter list
Unnamed parameter 1= the input value to be evaluated. The other parameters (all named, all optional), are the return values for their respective logical outcome. When set, each one overrules their default return value.
{{yesno
| Input value
| yes = Output on yes
| no = Output on no
| blank = Output on blank input
| ¬ = Output on ¬
| def = Definite output
}}
See also
- U+00AC ¬ NOT SIGN (¬)
- Module:yesno
{{Yesno-yes}}– variant of Yesno that defaults to "yes" if value is not explicitly negative{{Yesno-no}}– variant of Yesno that defaults to "no" if value is not explicitly positive
TemplateData
ข้อมูลแม่แบบสำหรับ Yesno-yes
This template normalises an input to be a yes or nil output.
| พารามิเตอร์ | คำอธิบาย | ชนิด | สถานะ | |
|---|---|---|---|---|
| Input value | 1 | The value to be evaluated | สตริง | แนะนำ |
| Output on yes | yes | Specifies the output of the template when the input value is a case-insensitive forms of 'Yes', 'Y', 'True' or '1' | สตริง | ไม่บังคับ |
| Output on no | no | Specifies the output of the template when the input value is a case-insensitive forms of 'No', 'N', 'False, or '0' | สตริง | ไม่บังคับ |
| Output on blank input | blank | Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s) | สตริง | ไม่บังคับ |
| Output on ¬ | ¬ | Specifies the output of the template when the input value is either '¬' (negation) or entirely missing (undefined) | สตริง | ไม่บังคับ |
| Definite output | def | Specifies the output of the template when the input value is defined but not a form of 'yes', 'no', '1', '0', '¬' or blank | สตริง | ไม่บังคับ |