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fixed gamelist diff calculations to be O(1) instead of O(n)

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This commit is contained in:
David White 2008-03-12 04:59:47 +00:00
parent 08193ff6a8
commit cda5fbe22c
3 changed files with 9 additions and 5 deletions
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8
src/config.cpp
View File

@ -429,7 +429,12 @@ config::all_children_iterator config::ordered_end() const
config config::get_diff(const config& c) const config config::get_diff(const config& c) const
{ {
config res; config res;
get_diff(c, res);
return res;
}
void config::get_diff(const config& c, config& res) const
{
config* inserts = NULL; config* inserts = NULL;
string_map::const_iterator i; string_map::const_iterator i;
@ -530,9 +535,6 @@ config config::get_diff(const config& c) const
} }
} }
} }
return res;
} }
void config::apply_diff(const config& diff) void config::apply_diff(const config& diff)

1
src/config.hpp
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@ -145,6 +145,7 @@ public:
//! I.e. calling cfg2.apply_diff(cfg1.get_diff(cfg2)) //! I.e. calling cfg2.apply_diff(cfg1.get_diff(cfg2))
//! will make cfg1 identical to cfg2. //! will make cfg1 identical to cfg2.
config get_diff(const config& c) const; config get_diff(const config& c) const;
void get_diff(const config& c, config& res) const;
void apply_diff(const config& diff); //throw error void apply_diff(const config& diff); //throw error

5
src/server/server.cpp
View File

@ -272,8 +272,9 @@ bool server::is_ip_banned(const std::string& ip) const {
config server::games_and_users_list_diff() { config server::games_and_users_list_diff() {
config res; config res;
res.add_child("gamelist_diff",games_and_users_list_.get_diff(old_games_and_users_list_)); config& diff = res.add_child("gamelist_diff");
old_games_and_users_list_ = games_and_users_list_; games_and_users_list_.get_diff(old_games_and_users_list_, diff);
old_games_and_users_list_.apply_diff(diff);
return res; return res;
} }