No file loadedLoad a binary or right-click a file in Explorer.
`;
}
}
class ToolPanel {
constructor(context, bridge, tool, options = {}) {
this.context = context;
this.bridge = bridge;
this.tool = tool;
this.fileState = options.fileState || null;
const meta = TOOLS.find(t => t.id === tool) || { name: tool };
const title = this.fileState?.name ? `${meta.name}: ${this.fileState.name}` : meta.name;
this.panel = vscode.window.createWebviewPanel('leviathanTool', title, vscode.ViewColumn.Active, { enableScripts: true, retainContextWhenHidden: true });
this.panel.webview.html = this.tool === 'hex' ? this.hexHtml(meta) : this.html(meta);
this.panel.webview.onDidReceiveMessage(msg => {
if (msg.type === 'run') this.run(msg.params);
if (msg.type === 'hexLoad') this.loadHex(msg);
if (msg.type === 'hexSet') this.setHexByte(msg);
if (msg.type === 'hexSearch') this.searchHex(msg);
if (msg.type === 'undo') this.stateAction('LeviathanUndo', msg);
if (msg.type === 'redo') this.stateAction('LeviathanRedo', msg);
if (msg.type === 'revert') this.stateAction('LeviathanRevert', msg);
});
this.panel.webview.postMessage({ type: 'fileState', state: this.fileState });
this.refreshState();
if (options.autoRun) {
if (this.tool === 'hex') {
setTimeout(() => this.loadHex(DEFAULTS.hex), 150);
} else {
setTimeout(() => this.run(JSON.stringify(DEFAULTS[this.tool] || {})), 150);
}
}
}
async refreshState() {
try {
const state = await this.bridge.rpc('LeviathanState');
this.fileState = state;
this.panel.webview.postMessage({ type: 'fileState', state });
} catch (err) {
this.error(err);
}
}
async run(paramsText) {
try {
const params = JSON.parse(paramsText || '{}');
const result = await this.bridge.rpc('LeviathanRunTool', [this.tool, params]);
this.panel.webview.postMessage({ type: 'result', result });
} catch (err) {
this.error(err);
}
}
error(err) {
this.panel.webview.postMessage({ type: 'error', error: err.message || String(err) });
}
async loadHex(params = {}) {
try {
const start = Number(params.start || 0);
const bytes = Number(params.bytes || 2048);
const width = Number(params.width || 16);
const result = await this.bridge.rpc('LeviathanRunTool', ['hex', { start, bytes, width }]);
this.panel.webview.postMessage({ type: 'hexRows', rows: result.rows || [], start, bytes, width });
await this.refreshState();
} catch (err) {
this.error(err);
}
}
async setHexByte(msg) {
try {
const offset = Number(msg.offset);
const value = String(msg.value || '').trim();
const payload = await this.bridge.rpc('LeviathanSetByte', [offset, value]);
if (payload && payload.state) {
this.fileState = payload.state;
this.panel.webview.postMessage({ type: 'fileState', state: payload.state });
}
await this.loadHex({ start: msg.start, bytes: msg.bytes, width: msg.width });
} catch (err) {
this.panel.webview.postMessage({ type: 'hexEditError', offset: msg.offset, error: err.message || String(err) });
}
}
async searchHex(msg) {
try {
const mode = msg.mode === 'hex' ? 'hex' : 'text';
const query = String(msg.query || '');
const result = await this.bridge.rpc('LeviathanRunTool', ['search', { mode, query, max: 2000 }]);
this.panel.webview.postMessage({ type: 'hexSearchResults', hits: result.hits || [], mode, query });
} catch (err) {
this.error(err);
}
}
async stateAction(method, msg = {}) {
try {
const state = await this.bridge.rpc(method);
this.panel.webview.postMessage({ type: 'state', state });
this.panel.webview.postMessage({ type: 'fileState', state });
if (this.tool === 'hex') {
await this.loadHex(msg.start === undefined ? DEFAULTS.hex : msg);
}
} catch (err) {
this.error(err);
}
}
hexHtml(meta) {
const nonce = String(Date.now());
const initialFileState = JSON.stringify(this.fileState || null);
const name = escapeHtml(meta.name);
return `