use rbx::RbxInstance;
use vfs::VfsItem;
use core::Route;
pub enum TransformFileResult {
Value(Option<RbxInstance>),
Pass,
}
pub enum FileChangeResult {
MarkChanged(Option<Vec<Route>>),
Pass,
}
pub trait Plugin {
fn transform_file(&self, plugins: &PluginChain, vfs_item: &VfsItem) -> TransformFileResult;
fn handle_file_change(&self, route: &Route) -> FileChangeResult;
}
pub struct PluginChain {
plugins: Vec<Box<Plugin + Send + Sync>>,
}
impl PluginChain {
pub fn new(plugins: Vec<Box<Plugin + Send + Sync>>) -> PluginChain {
PluginChain {
plugins,
}
}
pub fn transform_file(&self, vfs_item: &VfsItem) -> Option<RbxInstance> {
for plugin in &self.plugins {
match plugin.transform_file(self, vfs_item) {
TransformFileResult::Value(rbx_item) => return rbx_item,
TransformFileResult::Pass => {},
}
}
None
}
pub fn handle_file_change(&self, route: &Route) -> Option<Vec<Route>> {
for plugin in &self.plugins {
match plugin.handle_file_change(route) {
FileChangeResult::MarkChanged(changes) => return changes,
FileChangeResult::Pass => {},
}
}
None
}
}