diff options
Diffstat (limited to 'libs/core/luasrc/util.lua')
| -rw-r--r-- | libs/core/luasrc/util.lua | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libs/core/luasrc/util.lua b/libs/core/luasrc/util.lua index 109ccab28..ea1fccbc1 100644 --- a/libs/core/luasrc/util.lua +++ b/libs/core/luasrc/util.lua @@ -261,6 +261,16 @@ function trim(str) return (str:gsub("^%s*(.-)%s*$", "%1")) end +--- Count the occurences of given substring in given string. +-- @param str String to search in +-- @param pattern String containing pattern to find +-- @return Number of found occurences +function cmatch(str, pat) + local count = 0 + for _ in str:gmatch(pat) do count = count + 1 end + return count +end + --- Parse certain units from the given string and return the canonical integer -- value or 0 if the unit is unknown. Upper- or lower case is irrelevant. -- Recognized units are: @@ -320,6 +330,16 @@ function parse_units(ustr) return val end +-- also register functions above in the central string class for convenience +string.escape = escape +string.pcdata = pcdata +string.striptags = striptags +string.split = split +string.trim = trim +string.cmatch = cmatch +string.parse_units = parse_units + + --- Appends numerically indexed tables or single objects to a given table. -- @param src Target table -- @param ... Objects to insert |