diff options
Diffstat (limited to 'sbuild/sbuild-basic-keyfile.h')
| -rw-r--r-- | sbuild/sbuild-basic-keyfile.h | 310 |
1 files changed, 308 insertions, 2 deletions
diff --git a/sbuild/sbuild-basic-keyfile.h b/sbuild/sbuild-basic-keyfile.h index 5478080e..6cc00d51 100644 --- a/sbuild/sbuild-basic-keyfile.h +++ b/sbuild/sbuild-basic-keyfile.h @@ -537,6 +537,89 @@ namespace sbuild } /** + * Get a key value as a set. + * + * @param group the group the key is in. + * @param key the key to get. + * @param container the container to store the key's value in. + * The value type must be settable from an istream and be + * copyable. The set must be a container with a standard insert + * method. + * @returns true if the key was found, otherwise false (in which + * case value will be undefined). + */ + template <typename C> + bool + get_set_value (group_name_type const& group, + key_type const& key, + C& container) const + { + value_type item_value; + if (get_value(group, key, item_value)) + { + value_list items = split_string(item_value, + this->separator); + for (typename value_list::const_iterator pos = items.begin(); + pos != items.end(); + ++pos + ) + { + typename C::value_type tmp; + + try + { + parse_value(*pos, tmp); + } + catch (parse_value_error const& e) + { + size_type line = get_line(group, key); + if (line) + { + error ep(line, group, key, PASSTHROUGH_LGK, e); + log_exception_warning(ep); + } + else + { + error ep(group, key, PASSTHROUGH_GK, e); + log_exception_warning(ep); + } + return false; + } + + container.insert(tmp); + } + return true; + } + return false; + } + + /** + * Get a key value as a set. If the value does not exist, is + * deprecated or obsolete, warn appropriately. + * + * @param group the group the key is in. + * @param key the key to get. + * @param priority the priority of the option. + * @param container the container to store the key's value in. + * The value type must be settable from an istream and be + * copyable. The set must be a container with a standard insert + * method. + * @returns true if the key was found, otherwise false (in which + * case value will be undefined). + */ + template <typename C> + bool + get_set_value (group_name_type const& group, + key_type const& key, + priority priority, + C& container) const + { + bool status = get_set_value(group, key, container); + check_priority(group, key, priority, status); + return status; + } + + /** * Set a key value. * * @param group the group the key is in. @@ -671,7 +754,7 @@ namespace sbuild { value_type strval; - for (I pos = begin; pos != end; ++ pos) + for (I pos = begin; pos != end;) { std::ostringstream os; os.imbue(std::locale::classic()); @@ -679,7 +762,7 @@ namespace sbuild if (os) { strval += os.str(); - if (pos + 1 != end) + if (++pos != end) strval += this->separator; } } @@ -688,6 +771,75 @@ namespace sbuild } /** + * Set a key value from a set. + * + * @param group the group the key is in. + * @param key the key to set. + * @param begin an iterator referring to the start of the + * set. The value type must allow output to an ostream. + * @param end an iterator referring to the end of the set. + */ + template <typename I> + void + set_set_value (group_name_type const& group, + key_type const& key, + I begin, + I end) + { + std::vector<typename std::iterator_traits<I>::value_type> l(begin, end); + std::sort(l.begin(), l.end()); + set_list_value(group, key, l.begin(), l.end()); + } + + /** + * Set a key value from a set. + * + * @param group the group the key is in. + * @param key the key to set. + * @param begin an iterator referring to the start of the + * set. The value type must allow output to an ostream. + * @param end an iterator referring to the end of the set. + * @param comment the comment for this key. + */ + template <typename I> + void + set_set_value (group_name_type const& group, + key_type const& key, + I begin, + I end, + comment_type const& comment) + { + std::vector<typename std::iterator_traits<I>::value_type> l(begin, end); + std::sort(l.begin(), l.end()); + set_list_value(group, key, l.begin(), l.end(), comment); + } + + /** + * Set a key value from a set. + * + * @param group the group the key is in. + * @param key the key to set. + * @param begin an iterator referring to the start of the + * set. The value type must allow output to an ostream. + * @param end an iterator referring to the end of the set. + * @param comment the comment for this key. + * @param line the line number in the input file, or 0 otherwise. + */ + template <typename I> + void + set_set_value (group_name_type const& group, + key_type const& key, + I begin, + I end, + comment_type const& comment, + size_type line) + { + std::vector<typename std::iterator_traits<I>::value_type> l(begin, end); + std::sort(l.begin(), l.end()); + set_list_value(group, key, l.begin(), l.end(), comment, line); + } + + /** * Remove a group. * * @param group the group to remove. @@ -1035,6 +1187,75 @@ namespace sbuild } /** + * Set a key set value from an object method return value. The + * method must return a container with begin() and end() methods + * which return forward iterators. This is the same as calling + * set_set_value directly, but handles exceptions being thrown by + * the object method, which are turned into error exceptions. + * + * @param object the object to use. + * @param method the object method to call. + * @param basic_keyfile the basic_keyfile to use. + * @param group the group the key is in. + * @param key the key to set. + */ + template<class C, typename T> + static void + set_object_set_value (C const& object, + T (C::* method)() const, + basic_keyfile& basic_keyfile, + group_name_type const& group, + key_type const& key) + { + try + { + if (method) + basic_keyfile.set_set_value(group, key, + (object.*method)().begin(), + (object.*method)().end()); + } + catch (std::runtime_error const& e) + { + throw error(group, key, PASSTHROUGH_GK, e); + } + } + + /** + * Set a key set value from an object method return value. The + * method must return a container reference with begin() and end() + * methods which return forward iterators. This is the same as + * calling set_set_value directly, but handles exceptions being + * thrown by the object method, which are turned into error + * exceptions. + * + * @param object the object to use. + * @param method the object method to call. + * @param basic_keyfile the basic_keyfile to use. + * @param group the group the key is in. + * @param key the key to set. + */ + template<class C, typename T> + static void + set_object_set_value (C const& object, + T const& (C::* method)() const, + basic_keyfile& basic_keyfile, + group_name_type const& group, + key_type const& key) + { + try + { + if (method) + basic_keyfile.set_set_value(group, key, + (object.*method)().begin(), + (object.*method)().end()); + } + catch (std::runtime_error const& e) + { + throw error(group, key, PASSTHROUGH_GK, e); + } + } + + /** * Get a key value and set it in an object using an object method. * This is the same as calling get_value directly, but handles * exceptions being thrown by the object method, and @@ -1198,6 +1419,91 @@ namespace sbuild group, key, e); } } + + /** + * Get a key set value and set it in an object using an object + * method. This is the same as calling get_set_value directly, + * but handles exceptions being thrown by the object method, and + * deserialisation errors, which are turned into error exceptions + * pointing to the group, key and line number in the input file. + * + * @param object the object to use. + * @param method the object method to call. + * @param basic_keyfile the basic_keyfile to use. + * @param group the group the key is in. + * @param key the key to set. + * @param priority the key priority. + */ + template<class C, typename T> + static void + get_object_set_value (C& object, + void (C::* method)(T param), + basic_keyfile const& basic_keyfile, + group_name_type const& group, + key_type const& key, + basic_keyfile::priority priority) + { + try + { + T value; + if (basic_keyfile.get_set_value(group, key, priority, value) + && method) + (object.*method)(value); + } + catch (std::runtime_error const& e) + { + size_type line = basic_keyfile.get_line(group, key); + if (line) + throw error(line, group, key, PASSTHROUGH_LGK, e); + else + throw error(group, key, PASSTHROUGH_GK, e); + throw error(basic_keyfile.get_line(group, key), + group, key, e); + } + } + + /** + * Get a key set value and set it by reference in an object using + * an object method. This is the same as calling get_set_value + * directly, but handles exceptions being thrown by the object + * method, and deserialisation errors, which are turned into error + * exceptions pointing to the group, key and line number in the + * input file. + * + * @param object the object to use. + * @param method the object method to call. + * @param basic_keyfile the basic_keyfile to use. + * @param group the group the key is in. + * @param key the key to set. + * @param priority the key priority. + */ + template<class C, typename T> + static void + get_object_set_value (C& object, + void (C::* method)(T const& param), + basic_keyfile const& basic_keyfile, + group_name_type const& group, + key_type const& key, + basic_keyfile::priority priority) + { + try + { + T value; + if (basic_keyfile.get_set_value(group, key, priority, value) + && method) + (object.*method)(value); + } + catch (std::runtime_error const& e) + { + size_type line = basic_keyfile.get_line(group, key); + if (line) + throw error(line, group, key, PASSTHROUGH_LGK, e); + else + throw error(group, key, PASSTHROUGH_GK, e); + throw error(basic_keyfile.get_line(group, key), + group, key, e); + } + } }; } |