54 lines
1.1 KiB
TypeScript
54 lines
1.1 KiB
TypeScript
import Key from '../../shared/settings/Key';
|
|
|
|
export default class KeySequence {
|
|
constructor(
|
|
public readonly keys: Key[],
|
|
) {
|
|
}
|
|
|
|
push(key: Key): number {
|
|
return this.keys.push(key);
|
|
}
|
|
|
|
length(): number {
|
|
return this.keys.length;
|
|
}
|
|
|
|
startsWith(o: KeySequence): boolean {
|
|
if (this.keys.length < o.keys.length) {
|
|
return false;
|
|
}
|
|
for (let i = 0; i < o.keys.length; ++i) {
|
|
if (!this.keys[i].equals(o.keys[i])) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static fromMapKeys(keys: string): KeySequence {
|
|
const fromMapKeysRecursive = (
|
|
remaining: string, mappedKeys: Key[],
|
|
): Key[] => {
|
|
if (remaining.length === 0) {
|
|
return mappedKeys;
|
|
}
|
|
|
|
let nextPos = 1;
|
|
if (remaining.startsWith('<')) {
|
|
let ltPos = remaining.indexOf('>');
|
|
if (ltPos > 0) {
|
|
nextPos = ltPos + 1;
|
|
}
|
|
}
|
|
|
|
return fromMapKeysRecursive(
|
|
remaining.slice(nextPos),
|
|
mappedKeys.concat([Key.fromMapKey(remaining.slice(0, nextPos))])
|
|
);
|
|
};
|
|
|
|
let data = fromMapKeysRecursive(keys, []);
|
|
return new KeySequence(data);
|
|
}
|
|
}
|