diff options
Diffstat (limited to 'src/lib/util.cc')
| -rw-r--r-- | src/lib/util.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/lib/util.cc b/src/lib/util.cc index c2b24944d..cc201a0af 100644 --- a/src/lib/util.cc +++ b/src/lib/util.cc @@ -615,6 +615,12 @@ Rectangle::intersection (Rectangle const & other) const ); } +/** Round a number up to the nearest multiple of another number. + * @param a Number to round. + * @param t Multiple to round to. + * @return Rounded number. + */ + int round_up (int a, int t) { @@ -622,6 +628,13 @@ round_up (int a, int t) return a - (a % t); } +/** Read a sequence of key / value pairs from a text stream; + * the keys are the first words on the line, and the values are + * the remainder of the line following the key. Lines beginning + * with # are ignored. + * @param s Stream to read. + * @return key/value pairs. + */ multimap<string, string> read_key_value (istream &s) { @@ -675,6 +688,13 @@ get_required_int (multimap<string, string> const & kv, string k) return lexical_cast<int> (v); } +float +get_required_float (multimap<string, string> const & kv, string k) +{ + string const v = get_required_string (kv, k); + return lexical_cast<float> (v); +} + string get_optional_string (multimap<string, string> const & kv, string k) { |