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2.3.0：手表界面精简 + 播放器 + 鼠标重做
手表端 - 功能页从 10 个杂项精简到 7 个（屏幕/鼠标/媒体/文件/电脑/语音/电源） - 删掉：游戏封锁、待办、掷骰子、抽奖、壁纸、显示器开关、定时关机、 剪贴板历史、性能/磁盘/电量、文件夹浏览、教室限制等 - 改成显式列按钮，不再把电脑端所有功能组无脑铺到表盘 - 远程鼠标控制重做：滑动区 + 左键/滚轮/右键三按钮 滚轮点按=中键、上下滑=滚动 - 新增视频/音乐播放器（手表本地播放）：进度拖动、左右滑快进退10秒、 点画面播放暂停、上一/下一、播完自动下一首 电脑端 - 新增 kill_all（结束所有进程），白名单保护系统关键进程和自身 - 新增 media_list / media_pull（播放器数据源） 安全边界：只允许媒体目录，用 relative_to 判断，防同前缀兄弟目录绕过 中转站 - known_devices 从 ID 集合改成「设备ID -> 配对码」映射 - 修复：管理员改码后关机超过 6 小时，改码会被超时清理冲掉 - 老格式 state 文件平滑升级
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xmz7891
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# -*- coding: utf-8 -*-
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"""删掉指定名字的 Java 方法（按大括号配对，不用正则瞎猜）。
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== 为什么不用正则 ==
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方法体里可能有字符串、注释、嵌套大括号。正则很难正确跳过这些，
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删一半会把文件搞坏。这里做一个**简单但正确**的扫描器：
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* 逐字符走
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* 跳过 `//` 行注释、`/* */` 块注释、`"..."` 字符串、`'c'` 字符字面量
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* 统计 `{` `}` 深度，深度回到 0 就是方法结束
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* 顺便把方法**前面的 javadoc / 注解行**一起删干净（否则留下一堆
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没头没脑的注释）
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== 安全措施 ==
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* 名字必须能唯一定位到一个方法定义
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* 删完立刻检查大括号总数是否守恒（删之前总的 `{`/`}` 数减去
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这个方法里的数量，应该等于删之后的）
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* 任何一步不对就抛异常，不写文件
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"""
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from __future__ import annotations
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import re
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import sys
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from pathlib import Path
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JAVA = (Path(__file__).resolve().parent.parent
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/ "android" / "src" / "com" / "lanremote" / "watch" / "MainActivity.java")
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def find_method_span(text: str, name: str):
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"""返回 (start, end) —— 整个方法（含前面的注释/注解）的字符区间。"""
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# 找到定义行
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pat = re.compile(
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r"^[ \t]*(?:@\w+(?:\([^)]*\))?\s*)*"
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r"(?:private|protected|public|static|final|synchronized|\s)*"
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r"(?:[\w<>\[\],.?\s]+?)\s+" + re.escape(name) + r"\s*\([^)]*\)\s*"
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r"(?:throws [\w,.\s]+)?\s*\{",
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re.M)
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matches = list(pat.finditer(text))
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if len(matches) != 1:
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raise SystemExit("✗ %s: 找到 %d 个定义（要恰好 1 个）"
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% (name, len(matches)))
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m = matches[0]
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def_start = m.start()
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# 往上吃掉紧邻的注释行和注解行
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line_start = text.rfind("\n", 0, def_start) + 1
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start = line_start
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while True:
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prev_end = start - 1
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if prev_end <= 0:
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break
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prev_start = text.rfind("\n", 0, prev_end) + 1
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line = text[prev_start:prev_end].strip()
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if not line:
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break
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if (line.startswith(("*", "//", "/*")) or line.endswith("*/")
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or line.startswith("@")):
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start = prev_start
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continue
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break
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# 从 { 开始找匹配的 }
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i = text.index("{", m.start())
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depth = 0
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n = len(text)
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while i < n:
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ch = text[i]
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# 行注释
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if ch == "/" and i + 1 < n and text[i + 1] == "/":
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i = text.find("\n", i)
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if i < 0:
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raise SystemExit("✗ %s: 行注释没结束" % name)
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continue
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# 块注释
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if ch == "/" and i + 1 < n and text[i + 1] == "*":
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i = text.find("*/", i + 2)
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if i < 0:
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raise SystemExit("✗ %s: 块注释没结束" % name)
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i += 2
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continue
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# 字符串
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if ch == '"':
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i += 1
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while i < n and text[i] != '"':
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if text[i] == "\\":
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i += 1
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i += 1
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i += 1
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continue
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# 字符字面量
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if ch == "'":
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i += 1
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while i < n and text[i] != "'":
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if text[i] == "\\":
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i += 1
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i += 1
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i += 1
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continue
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if ch == "{":
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depth += 1
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elif ch == "}":
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depth -= 1
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if depth == 0:
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return start, i + 1
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i += 1
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raise SystemExit("✗ %s: 大括号没配平" % name)
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def main() -> int:
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names = sys.argv[1:]
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if not names:
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print("用法: find_orphans.py <方法名> [方法名...]")
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return 1
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text = JAVA.read_text(encoding="utf-8")
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before_open = text.count("{")
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before_close = text.count("}")
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removed_total = 0
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for name in names:
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start, end = find_method_span(text, name)
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chunk = text[start:end]
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removed_total += chunk.count("{")
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# 连同后面的空行一起删
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tail = end
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while tail < len(text) and text[tail] in "\r\n":
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tail += 1
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text = text[:start] + text[tail:]
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print(" ✓ 删除 %-22s %4d 字符" % (name, tail - start))
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# 大括号守恒检查
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if text.count("{") != before_open - removed_total:
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raise SystemExit("✗ 大括号数量不对（删前 %d，删掉 %d，现在 %d）"
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% (before_open, removed_total, text.count("{")))
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if text.count("{") != text.count("}"):
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raise SystemExit("✗ 大括号不配对：{ %d 个，} %d 个"
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% (text.count("{"), text.count("}")))
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JAVA.write_text(text, encoding="utf-8", newline="\n")
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print()
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print(" 大括号守恒 ✓（{%d / }%d）" % (text.count("{"), text.count("}")))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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