diff options
Diffstat (limited to 'builtin/misc_helpers.lua')
| -rw-r--r-- | builtin/misc_helpers.lua | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/builtin/misc_helpers.lua b/builtin/misc_helpers.lua index 38909ec1d..55c5798d7 100644 --- a/builtin/misc_helpers.lua +++ b/builtin/misc_helpers.lua @@ -205,6 +205,62 @@ function tbl.formspec_escape(text) return text end + +function tbl.splittext(text,charlimit) + local retval = {} + + local current_idx = 1 + + local start,stop = string.find(text," ",current_idx) + local nl_start,nl_stop = string.find(text,"\n",current_idx) + local gotnewline = false + if nl_start ~= nil and (start == nil or nl_start < start) then + start = nl_start + stop = nl_stop + gotnewline = true + end + local last_line = "" + while start ~= nil do + if string.len(last_line) + (stop-start) > charlimit then + table.insert(retval,last_line) + last_line = "" + end + + if last_line ~= "" then + last_line = last_line .. " " + end + + last_line = last_line .. string.sub(text,current_idx,stop -1) + + if gotnewline then + table.insert(retval,last_line) + last_line = "" + gotnewline = false + end + current_idx = stop+1 + + start,stop = string.find(text," ",current_idx) + nl_start,nl_stop = string.find(text,"\n",current_idx) + + if nl_start ~= nil and (start == nil or nl_start < start) then + start = nl_start + stop = nl_stop + gotnewline = true + end + end + + --add last part of text + if string.len(last_line) + (string.len(text) - current_idx) > charlimit then + table.insert(retval,last_line) + table.insert(retval,string.sub(text,current_idx)) + else + last_line = last_line .. " " .. string.sub(text,current_idx) + table.insert(retval,last_line) + end + + return retval +end + -------------------------------------------------------------------------------- if minetest then |