Modul:Check isxn: Unterschied zwischen den Versionen
add error string
imported>Frietjes Keine Bearbeitungszusammenfassung |
imported>Frietjes (add error string) |
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]] | ]] | ||
function check_isbn( isbn_str ) | function check_isbn( isbn_str, error_string ) | ||
if nil ~= isbn_str:match("[^%s-0-9X]") then return false; end -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X | if nil ~= isbn_str:match("[^%s-0-9X]") then return false; end -- fail if isbn_str contains anything but digits, hyphens, or the uppercase X | ||
isbn_str = isbn_str:gsub( "-", "" ):gsub( " ", "" ); -- remove hyphens and spaces | isbn_str = isbn_str:gsub( "-", "" ):gsub( " ", "" ); -- remove hyphens and spaces | ||
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if len ~= 10 and len ~= 13 then | if len ~= 10 and len ~= 13 then | ||
return | return error_string; | ||
end | end | ||
if len == 10 then | if len == 10 then | ||
if isbn_str:match( "^%d*X?$" ) == nil then return false; end | if isbn_str:match( "^%d*X?$" ) == nil then return false; end | ||
return is_valid_isxn(isbn_str, 10) and '' or | return is_valid_isxn(isbn_str, 10) and '' or error_string; | ||
else | else | ||
local temp = 0; | local temp = 0; | ||
if isbn_str:match( "^97[89]%d*$" ) == nil then return false; end -- isbn13 begins with 978 or 979; ismn begins with 979 | if isbn_str:match( "^97[89]%d*$" ) == nil then return false; end -- isbn13 begins with 978 or 979; ismn begins with 979 | ||
return is_valid_isxn_13 (isbn_str) and '' or | return is_valid_isxn_13 (isbn_str) and '' or error_string; | ||
end | end | ||
end | end | ||
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]] | ]] | ||
function check_ismn (id) | function check_ismn (id, error_string) | ||
local text; | local text; | ||
local valid_ismn = true; | local valid_ismn = true; | ||
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end | end | ||
return valid_ismn and '' or | return valid_ismn and '' or error_string | ||
end | end | ||
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]] | ]] | ||
function check_issn(id) | function check_issn(id, error_string) | ||
local issn_copy = id; -- save a copy of unadulterated issn; use this version for display if issn does not validate | local issn_copy = id; -- save a copy of unadulterated issn; use this version for display if issn does not validate | ||
local text; | local text; | ||
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end | end | ||
return valid_issn and '' or | return valid_issn and '' or error_string | ||
end | end | ||
function p.check_isbn(frame) | function p.check_isbn(frame) | ||
return check_issn(frame.args[1] or frame:getParent().args[1]) | return check_issn(frame.args[1] or frame:getParent().args[1], frame.args['error'] or frame:getParent().args['error'] or 'error') | ||
end | end | ||
function p.check_ismn(frame) | function p.check_ismn(frame) | ||
return check_issn(frame.args[1] or frame:getParent().args[1]) | return check_issn(frame.args[1] or frame:getParent().args[1], frame.args['error'] or frame:getParent().args['error'] or 'error') | ||
end | end | ||
function p.check_issn(frame) | function p.check_issn(frame) | ||
return check_issn(frame.args[1] or frame:getParent().args[1]) | return check_issn(frame.args[1] or frame:getParent().args[1], frame.args['error'] or frame:getParent().args['error'] or 'error') | ||
end | end | ||
return p | return p | ||