webmcp
annotate framework/env/format/string.lua @ 108:08c107cc4fce
Documentation of "hide_seconds" flag for format.time and format.timestamp
| author | jbe | 
|---|---|
| date | Sun Nov 04 18:46:29 2012 +0100 (2012-11-04) | 
| parents | 9fdfb27f8e67 | 
| children | 0c4841af07a5 | 
| rev | line source | 
|---|---|
| jbe/bsw@0 | 1 --[[-- | 
| jbe/bsw@0 | 2 text = -- a string | 
| jbe/bsw@0 | 3 format.string( | 
| jbe/bsw@0 | 4 value, -- any value where tostring(value) gives a reasonable result | 
| jbe/bsw@0 | 5 { | 
| jbe/bsw@0 | 6 nil_as = nil_text -- text to be returned for a nil value | 
| jbe/bsw@0 | 7 } | 
| jbe/bsw@0 | 8 ) | 
| jbe/bsw@0 | 9 | 
| jbe/bsw@0 | 10 Formats a value as a text by calling tostring(...), unless the value is nil, in which case the text returned is chosen by the 'nil_as' option. | 
| jbe/bsw@0 | 11 | 
| jbe/bsw@0 | 12 --]]-- | 
| jbe/bsw@0 | 13 | 
| jbe/bsw@0 | 14 function format.string(str, options) | 
| jbe/bsw@0 | 15 local options = options or {} | 
| jbe/bsw@0 | 16 if str == nil then | 
| jbe/bsw@0 | 17 return options.nil_as or "" | 
| jbe/bsw@0 | 18 else | 
| jbe/bsw@0 | 19 return tostring(str) | 
| jbe/bsw@0 | 20 end | 
| jbe/bsw@0 | 21 end |