diff options
Diffstat (limited to 'lualibs-util-prs.lua')
| -rw-r--r-- | lualibs-util-prs.lua | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/lualibs-util-prs.lua b/lualibs-util-prs.lua index 642968c..302b984 100644 --- a/lualibs-util-prs.lua +++ b/lualibs-util-prs.lua @@ -167,7 +167,7 @@ local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + C((nestedbraces + (1-comma))^0) local pattern = spaces * Ct(value*(separator*value)^0) --- "aap, {noot}, mies" : outer {} removes, leading spaces ignored +-- "aap, {noot}, mies" : outer {} removed, leading spaces ignored patterns.settings_to_array = pattern @@ -195,12 +195,40 @@ end -- -- "{123} , 456 " -> "123" "456" -local separator = space^0 * comma * space^0 -local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) - + C((nestedbraces + (1-(space^0*(comma+P(-1)))))^0) -local withvalue = Carg(1) * value / function(f,s) return f(s) end -local pattern_a = spaces * Ct(value*(separator*value)^0) -local pattern_b = spaces * withvalue * (separator*withvalue)^0 +-- local separator = space^0 * comma * space^0 +-- local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) +-- + C((nestedbraces + (1-(space^0*(comma+P(-1)))))^0) +-- local withvalue = Carg(1) * value / function(f,s) return f(s) end +-- local pattern_a = spaces * Ct(value*(separator*value)^0) +-- local pattern_b = spaces * withvalue * (separator*withvalue)^0 + +local cache_a = { } +local cache_b = { } + +function parsers.groupedsplitat(symbol,withaction) + if not symbol then + symbol = "," + end + local pattern = (withaction and cache_b or cache_a)[symbol] + if not pattern then + local symbols = S(symbol) + local separator = space^0 * symbols * space^0 + local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + + C((nestedbraces + (1-(space^0*(symbols+P(-1)))))^0) + if withaction then + local withvalue = Carg(1) * value / function(f,s) return f(s) end + pattern = spaces * withvalue * (separator*withvalue)^0 + cache_b[symbol] = pattern + else + pattern = spaces * Ct(value*(separator*value)^0) + cache_a[symbol] = pattern + end + end + return pattern +end + +local pattern_a = parsers.groupedsplitat(",",false) +local pattern_b = parsers.groupedsplitat(",",true) function parsers.stripped_settings_to_array(str) if not str or str == "" then @@ -221,8 +249,6 @@ end -- parsers.process_stripped_settings("{123} , 456 ",function(s) print("["..s.."]") end) -- parsers.process_stripped_settings("123 , 456 ",function(s) print("["..s.."]") end) --- - local function set(t,v) t[#t+1] = v end |