tiger-lib 1.18.0

Library used by the tools ck3-tiger, vic3-tiger, and imperator-tiger. This library holds the bulk of the code for them. It can be built either for ck3-tiger with the feature ck3, or for vic3-tiger with the feature vic3, or for imperator-tiger with the feature imperator, but not both at the same time.
Documentation 
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use crate::block::Block;
use crate::ck3::modif::ModifKinds;
use crate::db::{Db, DbKind};
use crate::everything::Everything;
use crate::game::GameFlags;
use crate::item::{Item, ItemLoader};
use crate::modif::validate_modifs;
use crate::token::Token;
use crate::validator::Validator;

#[derive(Clone, Debug)]
pub struct Relation {}

inventory::submit! {
    ItemLoader::Normal(GameFlags::Ck3, Item::Relation, Relation::add)
}

impl Relation {
    pub fn add(db: &mut Db, key: Token, block: Block) {
        db.add(Item::Relation, key, block, Box::new(Self {}));
    }
}

impl DbKind for Relation {
    fn add_subitems(&self, _key: &Token, block: &Block, db: &mut Db) {
        if let Some(list) = block.get_field_list("flags") {
            for token in list {
                db.add_flag(Item::RelationFlag, token);
            }
        }
    }

    fn validate(&self, _key: &Token, block: &Block, data: &Everything) {
        let mut vd = Validator::new(block, data);

        // let modif = format!("scheme_power_against_{key}_add");
        // data.verify_exists_implied(Item::ModifierFormat, &modif, key);
        // let modif = format!("scheme_power_against_{key}_mult");
        // data.verify_exists_implied(Item::ModifierFormat, &modif, key);

        vd.field_item("corresponding", Item::Relation);
        vd.field_bool("title_grant_target");
        vd.field_list_items("opposites", Item::Relation);
        vd.field_list_items("relation_aliases", Item::Relation);
        vd.field_integer("opinion");
        vd.field_numeric("fertility");
        vd.field_list("flags");
        vd.field_value("secret");
        vd.field_bool("special_guest");
        vd.field_bool("hidden");

        vd.field_validated_block("modifier", |block, data| {
            let mut vd = Validator::new(block, data);
            vd.field_value("name");
            // TODO: "This cannot use any references to modifiers generated from other database objects,
            // such as seduce_scheme_power_mult (from schemes) or monthly_diplomacy_lifestyle_xp_gain_mult (from lifestyles)."
            validate_modifs(block, data, ModifKinds::Character, vd);
        });
    }
}