diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/dbuffer.lua | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/util/dbuffer.lua b/util/dbuffer.lua index 54e12266..b148a4a6 100644 --- a/util/dbuffer.lua +++ b/util/dbuffer.lua @@ -76,6 +76,20 @@ function dbuffer_methods:read(requested_bytes) return table.concat(chunks); end +-- Read to, and including, the specified character sequence (return nil if not found) +function dbuffer_methods:read_until(char) + local buffer_pos = 0; + for i, chunk in self.items:items() do + local start = 1 + self.front_consumed; + local char_pos = chunk:find(char, start, true); + if char_pos then + return self:read(buffer_pos + (char_pos - start) + #char); + end + buffer_pos = buffer_pos + #chunk; + end + return nil; +end + function dbuffer_methods:discard(requested_bytes) if requested_bytes > self._length then return nil; |