libs/web: allow zero-length string literals when parsing datatypes

diff --git a/libs/web/luasrc/cbi.lua b/libs/web/luasrc/cbi.lua
index 88fb8a9..e885e4e 100644 (file)
--- a/libs/web/luasrc/cbi.lua
+++ b/libs/web/luasrc/cbi.lua
@@ -180,8 +180,8 @@ function compile_datatype(code)
 
                                        if #label > 0 and tonumber(label) then
                                                stack[#stack+1] = tonumber(label)
 
                                        if #label > 0 and tonumber(label) then
                                                stack[#stack+1] = tonumber(label)

-                                       elseif label:match("^'.+'$") or label:match('^".+"$') then
-                                               stack[#stack+1] = label:gsub("[\"'](.+)[\"']", "%1")
+                                       elseif label:match("^'.*'$") or label:match('^".*"$') then
+                                               stack[#stack+1] = label:gsub("[\"'](.*)[\"']", "%1")

                                        elseif type(datatypes[label]) == "function" then
                                                stack[#stack+1] = datatypes[label]
                                                stack[#stack+1] = { }
                                        elseif type(datatypes[label]) == "function" then
                                                stack[#stack+1] = datatypes[label]
                                                stack[#stack+1] = { }