Sablon:Header/year forrásának megtekintése

<!--
=== INPUTS TO THIS SUB-TEMPLATE ===
1       = year
noprint = if 1, do not print the year in the header (eg. noyear)
nocat   = if 1, do not categorise the page (eg. noyearcat, disambiguation, [is subpage])
-->{{#if:{{SUBJECTSPACE}}
     |<!-- all but main namespace = no action -->
     |<!-- main namespace

Check if the input is blank or not

-->{{#if:{{{year|{{{1|}}}}}}|<!--if something, continue...

Check if the input is a number

  -->{{#ifeq:{{is number|{{{year|{{{1|}}}}}} }}|1
       |<!-- YES IT IS A NUMBER: perform as normal (nb: have to include years with digits below 4) -->{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:{{{year|{{{1|}}}}}} works]]}}
       |<!-- NO IT IS NOT A NUMBER: more if statements and switches to select the right thing.



          Now some checks to determine the type on non-numeric input:

          -->{{#ifeq:{{{year|{{{1|}}}}}|?
               |{{#ifeq:{{{noprint|}}}|1||&nbsp;(unknown)&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:Works of unknown date‎]]}}
               |<!--ELSE check if the input "unknown"

            -->{{#ifeq:{{{year|{{{1|}}}}}}|unknown
                 |{{#ifeq:{{{noprint|}}}|1||&nbsp;(unknown)&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:Works of unknown date‎]]}}
                 |<!--ELSE check if the input is a decade 

               -->{{#ifeq:{{is decade|{{{year|{{{1|}}}}}}|function=3}}|1
                    |{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:{{{year|{{{1|}}}}}} works]][[Category:Works of uncertain date]]}}
                    |<!--ELSE check if the input is a century

                  -->{{#ifeq:{{is century|{{{year|{{{1|}}}}}}|function=3}}|1
                       |{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:{{{year|{{{1|}}}}}} works]][[Category:Works of uncertain date]]}}
                       |<!--ELSE check if the input is Before Common Era (BCE) 

                     -->{{#ifeq:{{is year|{{{year|{{{1|}}}}}}|function=3}}|1
                         |{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:{{{year|{{{1|}}}}}} works]]}}
                         |<!--ELSE check more complicated 2-part inputs

                       -->{{#if:{{#titleparts:{{{year|{{{1|}}}}}}|1|2}}<!-- if there is a 2nd part to the input, separated by a slash
                         -->|{{#switch:{{lc:{{#titleparts:{{{year|{{{1|}}}}}}|1|1}}}}<!-- check the 1st part -->
                               | c
                               | c.
                               | circa = <!-- year entered as "circa/YYYY" 

                                      -->{{#ifeq:{{Is year
                                                   | input    = {{#titleparts:{{{year|{{{1|}}}}}}|1|2}}
                                                   | function = 3
                                                 }}
                                           |1
                                           |{{#ifeq:{{{noprint|}}}|1||&nbsp;(c. {{#titleparts:{{{year|{{{1|}}}}}}|1|2}})&nbsp;}}{{#ifeq:{{{nocat|}}}|1||[[Category:{{is year|input={{#titleparts:{{{year|{{{1|}}}}}}|1|2}}|function=1}} works]][[Category:Works of uncertain date]]}}<!-- ie. use the corresponding decade-based category for sorting this work with a "circa"-style date -->
                                           |<!-- ELSE

                                         -->{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}<!-- a "circa"-style date with a non-year 2nd part get categorised as unrecognised and undated -->
                                         }}<!-- end ifeq isyear titleparts (2nd part) -->
                               | #default = <!-- ELSE

                                         -->{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}<!-- if a multi-part date but no matches, categorise as unrecognised and undated -->
                             }}<!-- end switch titleparts (1st part) -->
                            |<!-- ELSE 

                          -->{{#ifeq:{{{noprint|}}}|1||&nbsp;({{{year|{{{1|}}}}}})&nbsp;}}<!-- if the input is STILL not recognised, categorise it as unrecognised and undated -->
                          }}<!-- end if titleparts -->
                       }}<!-- end ifeq year BCE -->
                     }}<!-- end ifeq century -->
                  }}<!-- end ifeq decade -->
               }}<!-- end ifeq "unknown" -->
             }}<!-- end ifeq ? -->
       }}<!-- end ifeq isnumber -->
    |{{#ifeq:{{{nocat|}}}|1||[[Category:Undated works‎]]}}
  }}<!-- if value in parameter {{{year|{{{1}}}}}} -->
}}<!-- if SUBJECTSPACE -->

<noinclude>[[Category:Header templates|Header/year]]</noinclude>