Difference between revisions of "Template:Val/delimitnum"

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blackwiki>Jimp
(handling of ".1" etc.)
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<includeonly>{{#switch:{{#invoke:String|sub|{{{1|0}}}|1|1}}
+
<includeonly><!--
   |-|−={{#ifeq:{{{nosign|off}}}|off
+
-->{{#ifeq: <!-- compare "04" to 4, and if so, output 4-digits pure
    |
+
  What might be "04" is composed of three outputs: dot, len, and fmt -->
  }}{{#ifeq:{{#invoke:String|sub|{{{1|0}}}|2|2}}|.
+
  {{#invoke:String|find|{{{1}}}|.}}<!-- Output the zero if no dot.
    |0
+
   -->{{#invoke:String|len <!-- Length of 4 with sign and spaces filtered? -->
  }}{{#switch:{{{fmt}}}
+
    |{{#invoke:String|replace|{{{1}}}|[-+ ]|plain=false}}}}<!--
    |commas4={{#ifexpr:{{#invoke:String|sub|{{{1|0}}}|2}}<1E4
+
    That replace just filtered out any and all spaces, + or - characters.
        |{{#invoke:String|sub|{{{1|0}}}|2}}
+
    But it's gotta have the minus sign first in the [-charclass].
        |{{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
    Any fmt given?  If so comparison to "4" will fail -->{{{fmt|}}}
      }}
+
| 4 |{{#invoke:String|replace|{{{1}}}|-|&minus;}}<!--
    |commas={{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
If fmt is nil, found . is 0, and filtered len is 4, then 04=4,
    |{{#invoke:Gapnum|main|{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
and we have just output the number, replacing any - with a minus sign
   }}
+
 
   |+={{#ifeq:{{{nosign|off}}}|off
+
Else:
    |+
+
-->|{{#switch: <!-- its not a pure 4-digit number with no fmt options given-->
  }}{{#ifeq:{{#invoke:String|sub|{{{1|0}}}|2|2}}|.
+
{{#invoke:String|sub|{{{1|0}}}|1|1}}
    |0
+
  <!-- If the first char is ... -->
  }}{{#switch:{{{fmt}}}
+
 
    |commas4={{#ifexpr:{{{1|0}}}<1E4
+
  |- <!-- ... one kind of dash, or another -->
         |{{#invoke:String|sub|{{{1|0}}}|2}}
+
  |− = {{#ifeq:{{{nosign|off}}}|off|−}}<!-- output a &minus; sign unless nosign
        |{{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
    -->{{#ifeq:
      }}
+
          {{#invoke:String|sub|{{{1|0}}}|2|2}}|.|0}}<!--And then
    |commas={{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
          then if next char is . then output a zero, else do || nothing.
    |{{#invoke:Gapnum|main|{{#invoke:String|sub|{{{1|0}}}|2}}}}
+
    -->{{#switch: {{{fmt}}} <!-- Format the rest of the number. -->
  }}
+
      |commas={{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
   |.=0{{#switch:{{{fmt}}}
+
      |#default = {{#invoke:Gapnum|main|{{#invoke:String|sub|{{{1|0}}}|2}}}}
    |commas4
+
   }}  
    |commas={{{1|0}}}
+
 
    |{{#invoke:Gapnum|main|{{{1|0}}}}}
+
  <!-- follow same logic for leading + char -->
  }}
+
   |+={{#ifeq:{{{nosign|off}}}|off|+}}<!--
   |{{#switch:{{{fmt}}}
+
    -->{{#ifeq:{{#invoke:String|sub|{{{1|0}}}|2|2}}|.|0}}<!--
    |commas4={{#ifexpr:abs{{{1|0}}}<1E4
+
      -->{{#switch:{{{fmt}}}
        |{{{1|0}}}
+
         |commas = {{formatnum:{{#invoke:String|sub|{{{1|0}}}|2}}}}
        |{{formatnum:{{{1|0}}}}}
+
        |#default = {{#invoke:Gapnum|main|{{#invoke:String|sub|{{{1|0}}}|2}}}}
      }}
+
    }} <!-- follow similar logic for leading . char -->
     |commas={{#ifexpr:{{{1|0}}}<1E4
+
   |.=0<!--
        |{{#switch:{{{u}}}
+
    -->{{#switch:{{{fmt}}}
          |BC|AD|BCE|CE={{{1|0}}}
+
      |commas={{{1|0}}}
          |{{formatnum:{{{1|0}}}}}
+
      |#default = {{#invoke:Gapnum|main|{{{1|0}}}}}
        }}
+
    }}
        |{{formatnum:{{{1|0}}}}}
+
 
      }}
+
  <!-- Else if first char is not . or - or + -->
     |{{#ifexpr:{{{1|0}}}<1E4
+
   |#default = {{#switch:{{{fmt}}}  
        |{{#switch:{{{u}}}
+
     |commas={{formatnum:{{{1|0}}}}}
          |BC|AD|BCE|CE={{{1|0}}}
+
     |#default = {{#invoke:Gapnum|main|{{{1|0}}}}}
          |{{#invoke:Gapnum|main|{{{1|0}}}}}
 
        }}
 
        |{{#invoke:Gapnum|main|{{{1|0}}}}}
 
 
       }}
 
       }}
 
   }}
 
   }}
 
}}</includeonly><noinclude>{{documentation}}</noinclude>
 
}}</includeonly><noinclude>{{documentation}}</noinclude>

Latest revision as of 09:37, 30 September 2020

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