kotoba_server/frontend/
framework.rs

1//! App Routerフレームワークのコア実装
2//!
3//! Next.js風App Routerフレームワークの主要コンポーネントを実装します。
4
5use kotoba_core::prelude::*;
6use kotoba_core::types::Value;
7use crate::frontend::component_ir::ExecutionEnvironment;
8use crate::frontend::component_ir::*;
9use crate::frontend::route_ir::*;
10use crate::frontend::render_ir::*;
11use crate::frontend::build_ir::*;
12use crate::frontend::api_ir::*;
13use std::collections::HashMap;
14use std::sync::Arc;
15use tokio::sync::RwLock;
16
17/// Web Framework - フルスタックWebフレームワーク
18pub struct WebFramework {
19    route_table: Arc<RwLock<RouteTableIR>>,
20    component_registry: Arc<RwLock<ComponentRegistry>>,
21    renderer: ComponentRenderer,
22    config: WebFrameworkConfigIR,
23    current_route: Arc<RwLock<Option<RouteIR>>>,
24}
25
26
27impl WebFramework {
28    pub fn new(config: WebFrameworkConfigIR) -> Result<Self> {
29        let renderer = ComponentRenderer::new();
30
31        Ok(Self {
32            route_table: Arc::new(RwLock::new(RouteTableIR::new())),
33            component_registry: Arc::new(RwLock::new(ComponentRegistry::new())),
34            renderer,
35            config,
36            current_route: Arc::new(RwLock::new(None)),
37        })
38    }
39
40    /// HTTPリクエストを処理
41    pub async fn handle_request(&self, path: &str) -> Result<String> {
42        // ページルートをチェック
43        let table = self.route_table.read().await;
44        if let Some((route, params)) = table.find_route(path) {
45            // ページルートが見つかった場合
46            let render_result = self.render_route_with_params(&route, params).await?;
47            let response = self.create_page_response(render_result)?;
48            return Ok(response);
49        }
50
51        // 404 Not Found
52        let html = r#"<!DOCTYPE html>
53<html>
54<head><title>404 Not Found</title></head>
55<body><h1>404 Not Found</h1></body>
56</html>"#;
57        Ok(html.to_string())
58    }
59
60
61
62    /// ページレスポンスを作成
63    fn create_page_response(&self, render_result: RenderResultIR) -> Result<String> {
64        Ok(render_result.html)
65    }
66
67    /// ルートを追加
68    pub async fn add_route(&self, route: RouteIR) -> Result<()> {
69        let mut table = self.route_table.write().await;
70        table.add_route(route);
71        Ok(())
72    }
73
74    /// コンポーネントを登録
75    pub async fn register_component(&self, component: ComponentIR) -> Result<()> {
76        let mut registry = self.component_registry.write().await;
77        registry.register(component);
78        Ok(())
79    }
80
81    /// パスによるナビゲーション
82    pub async fn navigate(&self, path: &str) -> Result<RenderResultIR> {
83        let table = self.route_table.read().await;
84
85        if let Some((route, params)) = table.find_route(path) {
86            self.render_route_with_params(&route, params).await
87        } else {
88            Err(KotobaError::NotFound(format!("Route not found: {}", path)))
89        }
90    }
91
92    /// パスとパラメータによるルートレンダリング
93    async fn render_route_with_params(&self, route: &RouteIR, params: HashMap<String, String>) -> Result<RenderResultIR> {
94        // ルートパラメータをグローバル状態に設定
95        let mut global_props = HashMap::new();
96        for (key, value) in params {
97            global_props.insert(key, Value::String(value));
98        }
99
100        let context = RenderContext {
101            environment: ExecutionEnvironment::Universal,
102            route_params: global_props,
103            query_params: HashMap::new(),
104            global_state: HashMap::new(),
105            is_server_side: true,
106            is_client_side: false,
107            hydration_id: Some(format!("route_{}", uuid::Uuid::new_v4())),
108        };
109
110        // 現在のルートを更新
111        let mut current_route = self.current_route.write().await;
112        *current_route = Some(route.clone());
113
114        // ルートをレンダリング
115        self.render_route(route, context).await
116    }
117
118    /// ルートをレンダリング
119    async fn render_route(&self, route: &RouteIR, context: RenderContext) -> Result<RenderResultIR> {
120        // レイアウトツリーを構築
121        let layout_tree = self.build_layout_tree(route).await?;
122
123        // レンダリング
124        self.renderer.render_component_tree(&layout_tree, context).await
125    }
126
127    /// レイアウトツリーを構築（ネストされたレイアウト）
128    async fn build_layout_tree(&self, route: &RouteIR) -> Result<ComponentTreeIR> {
129        let mut root_component = if let Some(layout) = &route.components.layout {
130            layout.clone()
131        } else {
132            // デフォルトルートレイアウト
133            ComponentIR::new("RootLayout".to_string(), ComponentType::Layout)
134        };
135
136        // 子コンポーネントとしてページを追加
137        if let Some(page) = &route.components.page {
138            root_component.add_child(page.clone());
139        }
140
141        // ローディング状態がある場合は追加
142        if let Some(loading) = &route.components.loading {
143            let mut loading_component = loading.clone();
144            loading_component.add_child(root_component);
145            Ok(ComponentTreeIR::new(loading_component))
146        } else {
147            Ok(ComponentTreeIR::new(root_component))
148        }
149    }
150
151    /// 現在のルートを取得
152    pub async fn get_current_route(&self) -> Option<RouteIR> {
153        self.current_route.read().await.clone()
154    }
155
156    /// ルートテーブルを取得
157    pub async fn get_route_table(&self) -> RouteTableIR {
158        self.route_table.read().await.clone()
159    }
160
161    /// 設定を取得
162    pub fn get_config(&self) -> &WebFrameworkConfigIR {
163        &self.config
164    }
165}
166
167/// コンポーネントレジストリ
168pub struct ComponentRegistry {
169    components: HashMap<String, ComponentIR>,
170}
171
172impl ComponentRegistry {
173    pub fn new() -> Self {
174        Self {
175            components: HashMap::new(),
176        }
177    }
178
179    pub fn register(&mut self, component: ComponentIR) {
180        self.components.insert(component.id.clone(), component);
181    }
182
183    pub fn get(&self, id: &str) -> Option<&ComponentIR> {
184        self.components.get(id)
185    }
186
187    pub fn get_by_name(&self, name: &str) -> Option<&ComponentIR> {
188        self.components.values().find(|c| c.name == name)
189    }
190}
191
192/// コンポーネントレンダラー
193pub struct ComponentRenderer {
194    render_engine: RenderEngineIR,
195    component_cache: Arc<RwLock<HashMap<String, RenderResultIR>>>,
196}
197
198impl ComponentRenderer {
199    pub fn new() -> Self {
200        Self {
201            render_engine: RenderEngineIR {
202                strategies: vec![RenderStrategy::SSR],
203                optimizers: vec![RenderOptimizer::TreeShaking],
204                cache_config: RenderCacheConfig {
205                    enable_cache: true,
206                    cache_strategy: crate::frontend::render_ir::CacheStrategy::LRU,
207                    max_cache_size: 100,
208                    ttl_seconds: 300,
209                },
210            },
211            component_cache: Arc::new(RwLock::new(HashMap::new())),
212        }
213    }
214
215    /// コンポーネントツリーをレンダリング
216    pub async fn render_component_tree(
217        &self,
218        tree: &ComponentTreeIR,
219        context: RenderContext,
220    ) -> Result<RenderResultIR> {
221        let cache_key = format!("tree_{}_{}", tree.root.id, context.hydration_id.clone().unwrap_or_default());
222
223        // キャッシュチェック
224        if self.render_engine.cache_config.enable_cache {
225            if let Some(cached) = self.component_cache.read().await.get(&cache_key) {
226                return Ok(cached.clone());
227            }
228        }
229
230        // 仮想DOMを構築
231        let virtual_dom = self.build_virtual_dom(&tree.root, &context)?;
232
233        // HTML生成
234        let html = self.generate_html(&virtual_dom, &context)?;
235        let hydration_script = self.generate_hydration_script(&tree.root, &context).await?;
236
237        let result = RenderResultIR {
238            html,
239            css: String::new(), // TODO: CSS生成
240            js: String::new(),  // TODO: JSバンドル
241            hydration_script: Some(hydration_script),
242            head_elements: Vec::new(), // TODO: ヘッド要素生成
243            virtual_dom,
244            render_stats: RenderStats {
245                render_time_ms: 0, // TODO: 実際の計測
246                component_count: self.count_components(&tree.root),
247                dom_node_count: 0, // TODO: DOMノード数カウント
248                memory_usage_kb: 0, // TODO: メモリ使用量
249            },
250        };
251
252        // キャッシュ保存
253        if self.render_engine.cache_config.enable_cache {
254            self.component_cache.write().await.insert(cache_key, result.clone());
255        }
256
257        Ok(result)
258    }
259
260    /// 仮想DOMを構築
261    fn build_virtual_dom(
262        &self,
263        component: &ComponentIR,
264        context: &RenderContext,
265    ) -> Result<VirtualNodeIR> {
266        match component.component_type {
267            ComponentType::Server | ComponentType::Client => {
268                // JSXから仮想DOMを生成（簡略化）
269                let mut element = VirtualNodeIR::element("div".to_string());
270                if let VirtualNodeIR::Element(ref mut el) = element {
271                    // Propsを属性に変換
272                    for (key, value) in &component.props {
273                        el.add_attribute(key.clone(), value.clone());
274                    }
275
276                    // 子コンポーネントを追加
277                    for child in &component.children {
278                        let child_dom = self.build_virtual_dom(child, context)?;
279                        match child_dom {
280                            VirtualNodeIR::Element(child_el) => {
281                                el.add_child(ElementChild::Element(child_el));
282                            },
283                            VirtualNodeIR::Text(text) => {
284                                el.add_child(ElementChild::Text(text));
285                            },
286                            VirtualNodeIR::Component(comp) => {
287                                el.add_child(ElementChild::Component(comp));
288                            },
289                            VirtualNodeIR::Fragment(_) => {
290                                // Fragmentの場合はスキップ（簡略化）
291                            },
292                        }
293                    }
294                }
295                Ok(element)
296            },
297            ComponentType::Layout => {
298                // レイアウトコンポーネント
299                let mut layout = VirtualNodeIR::element("div".to_string());
300                if let VirtualNodeIR::Element(ref mut el) = layout {
301                    el.add_attribute("data-layout".to_string(), Value::String(component.name.clone()));
302
303                    for child in &component.children {
304                        let child_dom = self.build_virtual_dom(child, context)?;
305                        match child_dom {
306                            VirtualNodeIR::Element(child_el) => {
307                                el.add_child(ElementChild::Element(child_el));
308                            },
309                            VirtualNodeIR::Text(text) => {
310                                el.add_child(ElementChild::Text(text));
311                            },
312                            VirtualNodeIR::Component(comp) => {
313                                el.add_child(ElementChild::Component(comp));
314                            },
315                            VirtualNodeIR::Fragment(_) => {
316                                // Fragmentの場合はスキップ（簡略化）
317                            },
318                        }
319                    }
320                }
321                Ok(layout)
322            },
323            ComponentType::Page => {
324                // ページコンポーネント
325                let mut page = VirtualNodeIR::element("main".to_string());
326                if let VirtualNodeIR::Element(ref mut el) = page {
327                    el.add_attribute("data-page".to_string(), Value::String(component.name.clone()));
328
329                    // ページコンテンツ（簡略化）
330                    let content = format!("Content of {}", component.name);
331                    el.add_child(ElementChild::Text(content));
332                }
333                Ok(page)
334            },
335            _ => {
336                // その他のコンポーネントタイプ
337                Ok(VirtualNodeIR::text(format!("Component: {}", component.name)))
338            }
339        }
340    }
341
342    /// HTMLを生成
343    fn generate_html(&self, virtual_dom: &VirtualNodeIR, context: &RenderContext) -> Result<String> {
344        match virtual_dom {
345            VirtualNodeIR::Element(element) => {
346                let mut html = format!("<{}", element.tag_name);
347
348                // 属性を追加
349                for (key, value) in &element.attributes {
350                    if let Value::String(val) = value {
351                        html.push_str(&format!(" {}=\"{}\"", key, val));
352                    }
353                }
354
355                if context.is_server_side && context.hydration_id.is_some() {
356                    html.push_str(&format!(" data-hydrate=\"{}\"", context.hydration_id.as_ref().unwrap()));
357                }
358
359                html.push_str(">");
360
361                    // 子要素を追加
362                for child in &element.children {
363                    match child {
364                        ElementChild::Text(text) => html.push_str(text),
365                        ElementChild::Element(child_element) => {
366                            let child_html = self.generate_html(&VirtualNodeIR::Element(child_element.clone()), context)?;
367                            html.push_str(&child_html);
368                        },
369                        ElementChild::Component(_) => {
370                            html.push_str("<!-- Component -->");
371                        },
372                        ElementChild::Expression(_) => {
373                            html.push_str("<!-- Expression -->");
374                        },
375                    }
376                }
377
378                html.push_str(&format!("</{}>", element.tag_name));
379                Ok(html)
380            },
381            VirtualNodeIR::Text(text) => Ok(text.clone()),
382            VirtualNodeIR::Component(_) => Ok("<!-- Component -->".to_string()),
383            VirtualNodeIR::Fragment(children) => {
384                let mut html = String::new();
385                for child in children {
386                    html.push_str(&self.generate_html(child, context)?);
387                }
388                Ok(html)
389            },
390        }
391    }
392
393    /// ハイドレーションスクリプトを生成
394    async fn generate_hydration_script(&self, component: &ComponentIR, context: &RenderContext) -> Result<String> {
395        let hydration_id = context.hydration_id.as_ref()
396            .ok_or_else(|| KotobaError::InvalidArgument("Hydration ID required".to_string()))?;
397
398        let script = format!(
399            r#"
400// Kotoba Hydration Script
401window.Kotoba = window.Kotoba || {{}};
402window.Kotoba.hydrate('{hydration_id}', {{
403  component: '{component_name}',
404  props: {props},
405  route: {route_params}
406}});
407"#,
408            hydration_id = hydration_id,
409            component_name = component.name,
410            props = "{}",
411            route_params = "{}"
412        );
413
414        Ok(script)
415    }
416
417    /// コンポーネント数をカウント
418    fn count_components(&self, component: &ComponentIR) -> usize {
419        1 + component.children.iter().map(|child| self.count_components(child)).sum::<usize>()
420    }
421}
422
423/// ビルドエンジン
424pub struct BuildEngine {
425    config: BuildConfigIR,
426    route_table: Arc<RwLock<RouteTableIR>>,
427}
428
429impl BuildEngine {
430    pub fn new(config: BuildConfigIR) -> Self {
431        Self {
432            config,
433            route_table: Arc::new(RwLock::new(RouteTableIR::new())),
434        }
435    }
436
437    /// ビルドを実行
438    pub async fn build(&self) -> Result<BundleResultIR> {
439        println!("🚀 Starting Kotoba frontend build...");
440
441        // エントリーポイントを処理
442        let mut chunks = Vec::new();
443        let mut assets = Vec::new();
444
445        for entry in &self.config.entry_points {
446            let chunk = self.process_entry_point(entry).await?;
447            chunks.push(chunk);
448        }
449
450        // 最適化を適用
451        for optimization in &self.config.optimizations {
452            self.apply_optimization(optimization, &mut chunks, &mut assets).await?;
453        }
454
455        // バンドル結果を作成
456        let chunk_count = chunks.len();
457        let module_count = chunks.iter().map(|c| c.modules.len()).sum();
458        let asset_count = assets.len();
459
460        let result = BundleResultIR {
461            chunks: chunks.clone(),
462            assets: assets.clone(),
463            stats: BuildStats {
464                build_time_ms: 1000, // TODO: 実際の計測
465                total_size: 1024000, // 1MB (仮)
466                gzip_size: 256000,   // 256KB (仮)
467                brotli_size: 200000, // 200KB (仮)
468                chunk_count,
469                module_count,
470                asset_count,
471                warnings: Vec::new(),
472                errors: Vec::new(),
473            },
474            manifest: BundleManifest {
475                entries: HashMap::new(), // TODO: エントリーマッピング
476                chunks: HashMap::new(),  // TODO: チャンクマッピング
477                modules: HashMap::new(), // TODO: モジュールマッピング
478            },
479        };
480
481        println!("✅ Build completed successfully!");
482        println!("📊 Chunks: {}, Assets: {}, Size: {} KB",
483                 result.stats.chunk_count,
484                 result.stats.asset_count,
485                 result.stats.total_size / 1024);
486
487        Ok(result)
488    }
489
490    /// エントリーポイントを処理
491    async fn process_entry_point(&self, entry: &EntryPoint) -> Result<ChunkIR> {
492        let chunk_id = format!("chunk_{}", uuid::Uuid::new_v4());
493
494        Ok(ChunkIR {
495            id: chunk_id.clone(),
496            name: Some(entry.name.clone()),
497            entry: true,
498            initial: true,
499            files: vec![format!("{}.js", entry.name)],
500            hash: ContentHash::sha256([1; 32]),
501            size: 102400, // 100KB (仮)
502            modules: vec![
503                ModuleIR {
504                    id: entry.name.clone(),
505                    name: entry.path.clone(),
506                    size: 102400,
507                    dependencies: Vec::new(), // TODO: 依存関係分析
508                    is_entry: true,
509                    chunks: vec![chunk_id.clone()],
510                }
511            ],
512        })
513    }
514
515    /// 最適化を適用
516    async fn apply_optimization(
517        &self,
518        optimization: &OptimizationIR,
519        chunks: &mut Vec<ChunkIR>,
520        assets: &mut Vec<AssetIR>,
521    ) -> Result<()> {
522        match optimization {
523            OptimizationIR::CodeSplitting { .. } => {
524                // コード分割の適用（簡略化）
525                println!("📦 Applying code splitting...");
526            },
527            OptimizationIR::Minification { .. } => {
528                // ミニファイの適用（簡略化）
529                println!("🔧 Applying minification...");
530                for chunk in chunks.iter_mut() {
531                    chunk.size = (chunk.size as f64 * 0.7) as usize; // 30%削減（仮）
532                }
533            },
534            OptimizationIR::Compression { algorithm, .. } => {
535                // 圧縮の適用
536                match algorithm {
537                    CompressionAlgorithm::Gzip => {
538                        println!("🗜️  Applying gzip compression...");
539                        let compressed_asset = AssetIR {
540                            name: "app.js.gz".to_string(),
541                            path: "dist/app.js.gz".to_string(),
542                            size: 256000, // 仮の圧縮サイズ
543                            content_type: "application/gzip".to_string(),
544                            hash: ContentHash::sha256([2; 32]),
545                        };
546                        assets.push(compressed_asset);
547                    },
548                    _ => {},
549                }
550            },
551            _ => {},
552        }
553        Ok(())
554    }
555
556    /// 開発サーバーを起動
557    pub async fn start_dev_server(&self, port: u16) -> Result<()> {
558        println!("🚀 Starting Kotoba development server on port {}", port);
559
560        // ファイル監視とホットリロードの設定（簡略化）
561        println!("🔥 Hot reload enabled");
562        println!("📁 Watching for file changes...");
563
564        Ok(())
565    }
566}
567
568#[cfg(test)]
569mod tests {
570    use super::*;
571    use crate::frontend::component_ir::ComponentType;
572    use crate::frontend::api_ir::*;
573
574    #[tokio::test]
575    async fn test_web_framework_creation() {
576        let config = WebFrameworkConfigIR {
577            server: crate::frontend::api_ir::ServerConfig {
578                host: "localhost".to_string(),
579                port: 3000,
580                tls: None,
581                workers: 4,
582                max_connections: 1000,
583            },
584            database: None,
585            api_routes: Vec::new(),
586            web_sockets: Vec::new(),
587            graph_ql: None,
588            middlewares: Vec::new(),
589            static_files: Vec::new(),
590            authentication: None,
591            session: None,
592        };
593
594        let framework = WebFramework::new(config).unwrap();
595        assert_eq!(framework.get_config().server.port, 3000);
596    }
597
598
599    #[tokio::test]
600    async fn test_component_rendering() {
601        let renderer = ComponentRenderer::new();
602
603        // テストコンポーネント
604        let component = ComponentIR::new("TestComponent".to_string(), ComponentType::Server);
605        let tree = ComponentTreeIR::new(component);
606
607        let context = RenderContext::server_side();
608        let result = renderer.render_component_tree(&tree, context).await.unwrap();
609
610        assert!(!result.html.is_empty());
611        assert_eq!(result.render_stats.component_count, 1);
612    }
613
614    #[test]
615    fn test_build_engine_creation() {
616        let config = BuildConfigIR::new(BundlerType::Vite);
617        let engine = BuildEngine::new(config);
618
619        // 設定が正しく適用されていることを確認
620        assert_eq!(engine.config.bundler, BundlerType::Vite);
621    }
622
623}
kotoba_server/frontend/framework.rs

kotoba_server/frontend/
framework.rs
