Module:String: Difference between revisions
m (use tabs instead of spaces, and remove trailing whitespace) |
(export str._match function for use in other modules - syncing from sandbox) |
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| Line 148: | Line 148: | ||
]] | ]] | ||
function str. | -- This sub-routine is exported for use in other modules | ||
function str._match( s, pattern, start, match_index, plain, nomatch ) | |||
if s == '' then | if s == '' then | ||
return str._error( 'Target string is empty' ); | return str._error( 'Target string is empty' ); | ||
| Line 163: | Line 156: | ||
return str._error( 'Pattern string is empty' ); | return str._error( 'Pattern string is empty' ); | ||
end | end | ||
start = tonumber(start) or 1 | |||
if math.abs(start) < 1 or math.abs(start) > mw.ustring.len( s ) then | if math.abs(start) < 1 or math.abs(start) > mw.ustring.len( s ) then | ||
return str._error( 'Requested start is out of range' ); | return str._error( 'Requested start is out of range' ); | ||
| Line 214: | Line 208: | ||
return result; | return result; | ||
end | end | ||
end | |||
-- This is the entry point for #invoke:String|match | |||
function str.match( frame ) | |||
local new_args = str._getParameters( frame.args, {'s', 'pattern', 'start', 'match', 'plain', 'nomatch'} ); | |||
local s = new_args['s'] or ''; | |||
local start = tonumber( new_args['start'] ) or 1; | |||
local plain_flag = str._getBoolean( new_args['plain'] or false ); | |||
local pattern = new_args['pattern'] or ''; | |||
local match_index = math.floor( tonumber(new_args['match']) or 1 ); | |||
local nomatch = new_args['nomatch']; | |||
return str._match( s, pattern, start, match_index, plain, nomatch ) | |||
end | end | ||