webmcp
annotate framework/env/format/string.lua @ 0:9fdfb27f8e67
Version 1.0.0
author | jbe/bsw |
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date | Sun Oct 25 12:00:00 2009 +0100 (2009-10-25) |
parents | |
children | 0c4841af07a5 |
rev | line source |
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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 |