1.0.1 代码格式化移植新版
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@@ -1,100 +1,50 @@
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import * as vscode from 'vscode';
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import { beautifyCode, isSquirrelCode } from '../utils/beautifyHelper';
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// 文档格式化提供者类
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/**
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* 文档格式化提供者类 - 使用 js-beautify.js
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*/
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export class DocumentFormattingProvider implements vscode.DocumentFormattingEditProvider {
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// 提供整个文档的代码格式化功能
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/**
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* 提供整个文档的代码格式化功能
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*/
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async provideDocumentFormattingEdits(
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document: vscode.TextDocument,
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options: vscode.FormattingOptions,
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token: vscode.CancellationToken
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): Promise<vscode.TextEdit[]> {
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const edits: vscode.TextEdit[] = [];
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const lines: string[] = [];
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// 逐行处理文档内容
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for (let i = 0; i < document.lineCount; i++) {
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const line = document.lineAt(i);
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lines.push(line.text);
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try {
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// 获取文档全文
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const fullText = document.getText();
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// 检查是否是 Squirrel 代码
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if (!isSquirrelCode(fullText)) {
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return edits; // 如果不是 Squirrel 代码,不应用格式化
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}
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// 使用 js-beautify 格式化代码
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const formattedText = beautifyCode(fullText, options);
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// 如果格式化后的代码与原代码相同,不需要修改
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if (formattedText === fullText) {
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return edits;
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}
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// 创建编辑操作,替换整个文档
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const fullRange = new vscode.Range(
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document.positionAt(0),
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document.positionAt(fullText.length)
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);
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edits.push(vscode.TextEdit.replace(fullRange, formattedText));
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} catch (error) {
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console.error('文档格式化失败:', error);
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// 如果格式化失败,返回空编辑数组,保持原代码不变
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}
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// 格式化文档
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const formattedLines = this.formatDocument(lines, options);
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// 创建编辑操作
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const fullRange = new vscode.Range(
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document.positionAt(0),
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document.positionAt(document.getText().length)
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);
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edits.push(vscode.TextEdit.replace(fullRange, formattedLines.join('\n')));
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return edits;
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}
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// 格式化文档
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private formatDocument(lines: string[], options: vscode.FormattingOptions): string[] {
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const formattedLines: string[] = [];
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let indentLevel = 0;
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for (let i = 0; i < lines.length; i++) {
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let line = lines[i];
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const trimmedLine = line.trim();
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if (trimmedLine.length === 0) {
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// 空行保持原样或删除
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formattedLines.push('');
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continue;
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}
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// 检查是否需要减少缩进(遇到右大括号等)
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if (trimmedLine.startsWith('}') || trimmedLine.startsWith(')') || trimmedLine.startsWith(']')) {
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indentLevel = Math.max(0, indentLevel - 1);
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}
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// 添加适当的缩进
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const indent = this.createIndent(indentLevel, options);
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const formattedLine = indent + trimmedLine;
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formattedLines.push(formattedLine);
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// 检查是否需要增加缩进(遇到左大括号等)
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if (trimmedLine.endsWith('{') || trimmedLine.endsWith('(') || trimmedLine.endsWith('[')) {
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indentLevel++;
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}
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// 特殊处理else、catch等关键字,它们应该与前面的右大括号在同一行
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if (trimmedLine.startsWith('else') || trimmedLine.startsWith('catch') || trimmedLine.startsWith('elif')) {
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if (formattedLines.length > 1) {
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const prevLine = formattedLines[formattedLines.length - 2];
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if (prevLine.trim().endsWith('}')) {
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// 将else等关键字与前面的右大括号放在同一行
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formattedLines[formattedLines.length - 2] = prevLine.trim() + ' ' + trimmedLine;
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formattedLines.pop(); // 移除当前行
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indentLevel--; // 修正缩进级别
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}
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}
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}
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}
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// 规范化空格(在操作符周围添加适当空格)
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return formattedLines.map(line => this.normalizeSpaces(line));
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}
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// 在操作符周围添加适当空格
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private normalizeSpaces(line: string): string {
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// 在常见的操作符周围添加空格
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return line
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.replace(/([^\s])(==|!=|<=|>=|<|>|=|\+|-|\*|\/|%)([^\s])/g, '$1 $2 $3')
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.replace(/([^\s])(,)([^\s])/g, '$1$2 $3')
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.replace(/\s+/g, ' ') // 将多个空格替换为单个空格
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.trim();
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}
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// 创建指定级别的缩进
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private createIndent(level: number, options: vscode.FormattingOptions): string {
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if (options.insertSpaces) {
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return ' '.repeat(level * options.tabSize);
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} else {
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return '\t'.repeat(level);
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}
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}
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}
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