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plurk-user-list.vala
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plurk-user-list.vala
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using Json;
public class Roguso.UserList : GLib.Object {
private HashTable<string, User> user_by_id = new HashTable<string, User>(GLib.str_hash, GLib.str_equal);
private List<User> user_list = new List<User>();
/*
* Constructors
*/
public UserList() { }
public UserList.from_data(string buffer) {
this();
Parser parser = new Parser();
try {
parser.load_from_data(buffer);
build(parser.get_root());
} catch ( Error e) {
stdout.printf("Error: %s\n", e.message);
}
}
public UserList.from_node(Json.Node node) {
this();
build(node);
}
public void load_from_data(string buffer) {
clean();
Parser parser = new Parser();
try {
parser.load_from_data(buffer);
build(parser.get_root());
} catch ( Error e ) {
stdout.printf("Error: %s\n", e.message);
}
}
private void clean() {
user_by_id = new HashTable<string, User>(GLib.str_hash, GLib.str_equal);
user_list = new List<User>();
}
private void build(Json.Node node) {
if ( node.get_node_type() != NodeType.OBJECT && node.get_node_type() != NodeType.ARRAY ) {
return;
}
if ( node.get_node_type() == NodeType.OBJECT ) {
Json.Object object = node.get_object();
/*
List<string> mnames = object.get_members();
foreach ( string name in mnames ) {
unowned Json.Node user_node = object.get_member(name);
User user = new User.from_node(user_node);
user_by_id.replace(name, (User) user.ref_sink());
user_list.prepend(user);
}
*/
object.foreach_member(build_user);
user_list.reverse();
} else if ( node.get_node_type() == NodeType.ARRAY ) {
foreach ( unowned Json.Node user_node in node.get_array().get_elements() ) {
User user = new User.from_node(user_node);
user_by_id.replace(user.user_id, (User) user.ref_sink());
user_list.prepend(user);
}
user_list.reverse();
}
}
public void build_user(Json.Object object, string member_name, Json.Node member_node) {
User user = new User.from_node(member_node);
user_by_id.replace(member_name, (User) user.ref_sink());
user_list.prepend(user);
}
public uint get_count() {
return user_by_id.size();
}
public User get_id(string user_id) {
return user_by_id.lookup(user_id);
}
public User get_pos(uint index) {
if ( index >= 0 ) {
return user_list.nth_data(index);
} else {
uint roll = user_list.length();
roll += index;
return user_list.nth_data(roll);
}
}
public List<User> get_all() {
return user_list.copy();
}
}