diff options
| -rw-r--r-- | misc/freeswitch/scripts/common/str.lua | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/misc/freeswitch/scripts/common/str.lua b/misc/freeswitch/scripts/common/str.lua index 72ff388..541199f 100644 --- a/misc/freeswitch/scripts/common/str.lua +++ b/misc/freeswitch/scripts/common/str.lua @@ -146,3 +146,37 @@ end function blank(value) return (value == nil or to_s(value) == ''); end + +-- concatenate string to buffer +function append(buffer, value, separator, prefix, suffix) + separator = separator or ''; + prefix = prefix or ''; + suffix = suffix or ''; + if buffer ~= '' then + buffer = buffer .. separator .. prefix .. value .. suffix; + else + buffer = prefix .. value .. suffix; + end + + return buffer; +end + +-- concatenate array values to string +function concat(array, separator, prefix, suffix) + local buffer = ''; + for key, value in pairs(array) do + buffer = append(buffer, value, separator, prefix, suffix); + end + + return buffer; +end + +-- concatenate array keys to string +function concat_keys(array, separator, prefix, suffix) + local buffer = ''; + for key, value in pairs(array) do + buffer = append(buffer, key, separator, prefix, suffix); + end + + return buffer; +end |