diff options
| -rw-r--r-- | lib/format.lua | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/lib/format.lua b/lib/format.lua index 0044787..6ef831a 100644 --- a/lib/format.lua +++ b/lib/format.lua @@ -157,22 +157,24 @@ end -- example: format.string_to_table( "Anna, Bob, Charlie,Dolores", ",%s*") function string_to_table ( text, delimiter) local list = {} - -- this would result in endless loops - if string.find("", delimiter) then - -- delimiter matches empty string! - for i=1,#text do - list[#list + 1] = string.sub(text, i, i) - end - else - local pos = 1 - while 1 do - local first, last = string.find(text, delimiter, pos) - if first then -- found? - table.insert(list, string.sub(text, pos, first-1)) - pos = last+1 - else - table.insert(list, string.sub(text, pos)) - break + if text then + -- this would result in endless loops + if string.find("", delimiter) then + -- delimiter matches empty string! + for i=1,#text do + list[#list + 1] = string.sub(text, i, i) + end + else + local pos = 1 + while 1 do + local first, last = string.find(text, delimiter, pos) + if first then -- found? + table.insert(list, string.sub(text, pos, first-1)) + pos = last+1 + else + table.insert(list, string.sub(text, pos)) + break + end end end end |