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124 lines
5.0 KiB
124 lines
5.0 KiB
package com.claudecode.console;
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import java.io.PrintStream;
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import java.util.regex.Pattern;
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/**
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* Banner 打印器 —— 对应 claude-code/src/components/Banner.tsx。
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* <p>
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* 在启动时打印带边框的 Logo 和版本信息。
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* 参考 Copilot CLI / Claude Code 的边框样式。
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*/
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public class BannerPrinter {
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private static final String VERSION = "0.1.0";
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// 匹配 ANSI 转义序列的正则
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private static final Pattern ANSI_PATTERN = Pattern.compile("\033\\[[0-9;]*m");
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/**
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* 打印带边框的启动 Banner。
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*/
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public static void printBoxed(PrintStream out, String provider, String model,
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String baseUrl, String workDir,
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int toolCount, int cmdCount, String termInfo) {
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// 内容宽度(不含左右边框 │)
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int innerWidth = 88;
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// Logo(ASCII 冒烟咖啡杯 — 每行精确 19 字符宽)
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String[] logo = {
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" ) ) ) ",
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" ╭────────╮ ",
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" │ ~~~~~~ │─╮ ",
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" │ CLAUDE │ │ ",
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" │ CODE │─╯ ",
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" ╰─┬────┬─╯ "
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};
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int logoVisualWidth = 19;
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// 右侧信息(纯可见文本 + ANSI 颜色)
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String[] rightInfo = {
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"",
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AnsiStyle.BOLD + "Welcome!" + AnsiStyle.RESET,
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AnsiStyle.DIM + "API: " + AnsiStyle.RESET + AnsiStyle.CYAN + baseUrl + AnsiStyle.RESET,
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AnsiStyle.DIM + "Protocol: " + AnsiStyle.RESET + AnsiStyle.CYAN + provider.toUpperCase() + AnsiStyle.RESET
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+ AnsiStyle.DIM + " Model: " + AnsiStyle.RESET + AnsiStyle.CYAN + model + AnsiStyle.RESET,
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AnsiStyle.DIM + "Work Dir: " + workDir + AnsiStyle.RESET,
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AnsiStyle.DIM + "Tools: " + toolCount + " | Commands: " + cmdCount + " | " + termInfo + AnsiStyle.RESET,
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};
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// ── 顶部边框 ──
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// 格式: ╭─── Claude Code Java v0.1.0-SNAPSHOT ───...───╮
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String title = "Claude Code Java";
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String versionStr = " v" + VERSION + " ";
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String prefix = "─── ";
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// 可见宽度: prefix + title + versionStr + 补充的 ─
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int titleVisibleLen = prefix.length() + title.length() + versionStr.length();
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int trailingDashes = innerWidth - titleVisibleLen;
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if (trailingDashes < 1) trailingDashes = 1;
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out.println();
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out.println(" ╭" + prefix
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+ AnsiStyle.BOLD + AnsiStyle.BRIGHT_CYAN + title + AnsiStyle.RESET
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+ AnsiStyle.DIM + versionStr + AnsiStyle.RESET
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+ "─".repeat(trailingDashes) + "╮");
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// ── 内容行(双列布局) ──
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// 每行格式: │ [logo] │ [rightInfo] ... padding ... │
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// 中间分隔符 " │ " 占 3 个可见字符
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int separatorWidth = 3;
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int rightAreaWidth = innerWidth - logoVisualWidth - separatorWidth;
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int maxRows = Math.max(logo.length, rightInfo.length);
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for (int i = 0; i < maxRows; i++) {
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String leftPart = i < logo.length ? logo[i] : "";
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String rightPart = i < rightInfo.length ? rightInfo[i] : "";
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// 左侧 logo(纯文本,直接 pad)
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String paddedLeft = padRight(leftPart, logoVisualWidth);
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// 右侧信息需要计算可见长度,补齐空格到 rightAreaWidth
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int rightVisible = visibleLength(rightPart);
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int rightPadding = rightAreaWidth - rightVisible;
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if (rightPadding < 0) rightPadding = 0;
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out.println(" │"
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+ AnsiStyle.BRIGHT_CYAN + paddedLeft + AnsiStyle.RESET
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+ AnsiStyle.DIM + " │ " + AnsiStyle.RESET
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+ rightPart + " ".repeat(rightPadding)
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+ "│");
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}
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// ── 底部边框 ──
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out.println(" ╰" + "─".repeat(innerWidth) + "╯");
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}
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/**
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* 精简版 banner(用于窄终端或 Scanner 模式)。
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*/
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public static void printCompact(PrintStream out) {
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out.println();
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out.println(AnsiStyle.BRIGHT_CYAN + AnsiStyle.BOLD + " ◆ Claude Code (Java)" + AnsiStyle.RESET
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+ AnsiStyle.dim(" v" + VERSION));
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out.println(AnsiStyle.dim(" Type /help for commands • Ctrl+D to exit"));
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out.println();
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}
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/** 计算去除 ANSI 转义后的可见字符宽度 */
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private static int visibleLength(String s) {
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if (s == null || s.isEmpty()) return 0;
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return ANSI_PATTERN.matcher(s).replaceAll("").length();
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}
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/** 右侧补空格到指定视觉宽度 */
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private static String padRight(String s, int width) {
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int len = s.length();
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if (len >= width) return s;
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return s + " ".repeat(width - len);
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}
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/** 获取版本号 */
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public static String getVersion() {
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return VERSION;
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}
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}
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