feat(cli): 优化 log 子命令并引入 LogLevel 强类型解析,重构 commands.lua 注册表解析与校验逻辑
- 调整 LogLevel 的 FromStr 错误类型为 String,适配 clap 的 value_parser - log 子命令直接绑定 LogLevel 枚举,消除硬编码校验与类型转换 - 规范化日志级别更新与配置读取逻辑 - handler 类型有 Function 改为 String
This commit is contained in:
16
mirror-core/Cargo.toml
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16
mirror-core/Cargo.toml
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@@ -0,0 +1,16 @@
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[package]
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name = "mirror-core"
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version = { workspace = true }
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edition = { workspace = true }
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[dependencies]
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anyhow = { workspace = true }
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mlua = { workspace = true }
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dunce = { workspace = true }
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tinyjson = { workspace = true }
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windows-sys = { workspace = true }
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serde = { workspace = true }
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# 日志
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tracing = { workspace = true }
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tracing-subscriber = { workspace = true }
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tracing-appender = { workspace = true }
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25
mirror-core/src/error.rs
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25
mirror-core/src/error.rs
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@@ -0,0 +1,25 @@
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// 构造一个带上下文的 FromLua 转换错误,便于定位配置问题
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/// 配置校验错误
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pub fn validation_error(message: impl Into<String>) -> mlua::Error {
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mlua::Error::RuntimeError(message.into())
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}
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/// 将底层 Lua 语法错误转换为用户友好的提示
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pub fn syntax_error(err: mlua::Error) -> mlua::Error {
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match &err {
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mlua::Error::SyntaxError { message, .. } => {
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if message.contains("invalid escape sequence") || message.contains("unfinished string")
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{
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return validation_error(format!(
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"配置文件语法错误:检测到非法的字符串转义。\n\
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提示:在 Windows 路径末尾或字符串中使用反斜杠 '\\' 时:\n\
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1. 请使用双反斜杠转义,例如: \"D:\\\\CNWei\\\\CNW\\\\Rust\\\\\"\n\
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2. 或使用 Lua 原始字符串 (Raw String),例如: [[D:\\CNWei\\CNW\\Rust\\]]\n\
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底层错误: {}",
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message
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));
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}
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}
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_ => {}
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}
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err
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}
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72
mirror-core/src/layout.rs
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72
mirror-core/src/layout.rs
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@@ -0,0 +1,72 @@
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use anyhow::{Context, Result, bail};
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use std::env;
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use std::path::{Path, PathBuf};
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use tracing::debug;
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pub struct Layout {
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pub base_dir: PathBuf,
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pub bin_dir: PathBuf,
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pub target_name: String,
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}
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impl Layout {
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/// 自动解析目录布局:
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/// 1. 优先使用环境变量 MIRROR_HOME
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/// 2. 兜底回退到当前垫片可执行文件所在目录推断 (exe -> bin -> root)
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pub fn from(current_exe: &Path) -> Result<Self> {
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let target_name = current_exe
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.file_stem()
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.and_then(|s| s.to_str())
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.with_context(|| format!("无法从路径 [{}] 提取有效的程序名称", current_exe.display()))?
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.to_lowercase();
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// 策略 1: 环境变量优先
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if let Ok(home_val) = env::var("MIRROR_HOME") {
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let trimmed = home_val.trim();
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if !trimmed.is_empty() {
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debug!(home = %trimmed, "检测到 MIRROR_HOME,采用环境变量配置");
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return Self::from_base_dir(PathBuf::from(trimmed), target_name);
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}
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}
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// 策略 2: 相对路径自动推断兜底
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debug!("未配置 MIRROR_HOME,尝试从当前可执行文件路径推断根目录");
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Self::from_executable(current_exe, target_name)
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}
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/// 基于确定的根目录构建完整布局
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fn from_base_dir(base_dir: PathBuf, target_name: String) -> Result<Self> {
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if !base_dir.is_dir() {
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bail!("指定的根目录不存在或不是有效目录: [{}]", base_dir.display());
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}
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let bin_dir = base_dir.join("bin");
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Ok(Self {
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base_dir,
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bin_dir,
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target_name,
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})
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}
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/// 从当前可执行文件解析 shim 安装目录布局
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fn from_executable(exe_path: &Path, target_name: String) -> Result<Self> {
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// let exe_path = exe_path.as_ref();
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let bin_dir = exe_path
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.parent()
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.with_context(|| format!("无法获取程序 [{}] 的父级 bin 目录", exe_path.display()))?
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.to_path_buf();
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debug!("bin_dir目录 {}", bin_dir.display());
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let base_dir = bin_dir
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.parent()
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.with_context(|| format!("无法获取 bin 目录 [{}] 的父级 root 目录", bin_dir.display()))?
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.to_path_buf();
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debug!("base_dir 目录 {}", base_dir.display());
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Self::from_base_dir(base_dir, target_name)
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}
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}
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14
mirror-core/src/lib.rs
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14
mirror-core/src/lib.rs
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@@ -0,0 +1,14 @@
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pub mod error;
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mod layout;
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mod logger;
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mod mirror;
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mod runtime;
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mod utils;
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pub mod validators;
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pub use layout::Layout;
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pub use mirror::Mirror;
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pub use runtime::LuaRuntime;
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pub use logger::{init_logging_from, Logger,LogLevel};
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pub use utils::{lua_string_2_os_string, normalize_path_for_lua, parse_tokens};
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185
mirror-core/src/logger.rs
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185
mirror-core/src/logger.rs
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@@ -0,0 +1,185 @@
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use crate::Layout;
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use serde::Deserialize;
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use std::fs;
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use std::path::PathBuf;
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use std::str::FromStr;
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use tracing_appender::non_blocking::{NonBlocking, WorkerGuard};
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use tracing_subscriber::layer::SubscriberExt;
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use tracing_subscriber::util::SubscriberInitExt;
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use tracing_subscriber::{EnvFilter, fmt};
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, serde::Deserialize, Default)]
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#[serde(rename_all = "lowercase")]
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pub enum LogLevel {
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Off,
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Error,
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#[default]
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Warn,
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Info,
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Debug,
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Trace,
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}
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impl std::fmt::Display for LogLevel {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.as_str())
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}
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}
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impl LogLevel {
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/// 是否需要激活写盘排查模式(Info 及以上更详细的级别)
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pub fn is_verbose(&self) -> bool {
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*self >= LogLevel::Info
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}
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pub fn as_str(&self) -> &'static str {
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match self {
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LogLevel::Off => "off",
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LogLevel::Error => "error",
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LogLevel::Warn => "warn",
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LogLevel::Info => "info",
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LogLevel::Debug => "debug",
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LogLevel::Trace => "trace",
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}
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}
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}
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impl FromStr for LogLevel {
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type Err = String;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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match s.to_ascii_lowercase().as_str() {
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"off" => Ok(LogLevel::Off),
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"error" => Ok(LogLevel::Error),
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"warn" => Ok(LogLevel::Warn),
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"info" => Ok(LogLevel::Info),
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"debug" => Ok(LogLevel::Debug),
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"trace" => Ok(LogLevel::Trace),
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_ => Err(format!(
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"无效的日志级别 '{s}',可选值为: off, error, warn, info, debug, trace"
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)),
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}
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}
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}
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#[derive(Debug, Deserialize, Default)]
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pub struct Logger {
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#[serde(default)]
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pub level: LogLevel,
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pub log_dir: Option<PathBuf>,
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}
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impl Logger {
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/// 零依赖解析 ini / key-value 文本内容
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pub fn parse_ini(content: &str) -> Self {
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let mut logger = Self::default();
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for line in content.lines() {
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let line = line.trim();
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// 跳过空行、注释行 (# 或 ;) 和 section 头 ([...])
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if line.is_empty()
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|| line.starts_with('#')
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|| line.starts_with(';')
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|| line.starts_with('[')
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{
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continue;
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}
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if let Some((key, val)) = line.split_once('=') {
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let key = key.trim();
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let val = val.trim().trim_matches('"').trim_matches('\'');
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match key {
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"level" => {
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if let Ok(lvl) = LogLevel::from_str(val) {
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logger.level = lvl;
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}
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}
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"log_dir" => {
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if !val.is_empty() {
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logger.log_dir = Some(PathBuf::from(val));
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}
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}
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_ => {}
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}
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}
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}
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logger
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}
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}
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/// 基于 Layout 自动寻址 mirror.toml 并初始化日志系统。
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/// 仅在开启详细日志(如 info/debug/trace)时激活异步文件记录并返回 `WorkerGuard`。
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pub fn init_logging_from(layout: &Layout) -> Option<WorkerGuard> {
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// 1. 在 layout.base_dir 目录下寻找 log.toml
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// let config_path = layout.base_dir.join("mirror.toml");
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let config_path = layout.base_dir.join("../../mirror.ini");
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// 读取配置文件(如不存在或解析失败,降级回退到默认设置)
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let config = if config_path.exists() {
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fs::read_to_string(&config_path)
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.map(|s| Logger::parse_ini(&s))
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// .ok()
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// .and_then(|s| toml::from_str::<Logger>(&s).ok())
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.unwrap_or_default()
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} else {
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Logger::default()
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};
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// 1. 优先读取环境变量 MIRROR_LOG_LEVEL,解析失败或未设置则退回到 config.level
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let effective_level = std::env::var("MIRROR_LOG_LEVEL")
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.ok()
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.and_then(|val| LogLevel::from_str(&val).ok())
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.unwrap_or(config.level);
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if effective_level == LogLevel::Off {
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return None;
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}
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let filter = EnvFilter::new(effective_level.as_str());
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// 基础终端输出层
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let stderr_layer = fmt::layer().with_writer(std::io::stderr).with_target(false);
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// 2. 根据强类型枚举判断是否激活落盘模式
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if effective_level.is_verbose() {
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let (non_blocking, guard) = create_file_appender(layout, config.log_dir);
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let file_layer = fmt::layer()
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.with_writer(non_blocking)
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.with_ansi(false)
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.with_target(false);
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let _ = tracing_subscriber::registry()
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.with(filter)
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.with(stderr_layer)
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.with(file_layer)
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.try_init();
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Some(guard)
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} else {
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let _ = tracing_subscriber::registry()
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.with(filter)
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.with(stderr_layer)
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.try_init();
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None
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}
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}
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fn create_file_appender(
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layout: &Layout,
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log_dir_override: Option<PathBuf>,
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) -> (NonBlocking, WorkerGuard) {
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let output_dir = match log_dir_override {
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Some(user_path) => {
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if user_path.is_relative() {
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layout.base_dir.join(user_path)
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} else {
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user_path
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}
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}
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None => layout.base_dir.join("logs"),
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};
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if let Err(err) = fs::create_dir_all(&output_dir) {
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eprintln!("[WARN] 创建日志目录 {} 失败: {}", output_dir.display(), err);
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}
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let file_appender = tracing_appender::rolling::daily(output_dir, "mirror.log");
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tracing_appender::non_blocking(file_appender)
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}
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156
mirror-core/src/mirror.rs
Normal file
156
mirror-core/src/mirror.rs
Normal file
@@ -0,0 +1,156 @@
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use crate::error::validation_error;
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use crate::validators::LuaValidator;
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use crate::{Layout, LuaRuntime};
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use anyhow::{Context, Result, bail};
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use mlua::{FromLua, Lua, Table, Value};
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use std::collections::HashMap;
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use std::env;
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use std::ffi::OsString;
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use std::path::PathBuf;
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use std::process::Command;
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use tracing::{debug, trace};
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#[derive(Debug, Clone, Default)]
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pub struct Mirror {
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pub target: PathBuf,
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pub args: Vec<OsString>,
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pub aliases: HashMap<String, Vec<OsString>>,
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pub env: HashMap<String, OsString>,
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}
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impl Mirror {
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pub fn load(layout: &Layout) -> Result<Self> {
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// 策略 1: 尝试加载全局配置文件 mirror.lua
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let global_config = layout.base_dir.join("../../mirror.lua");
|
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|
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if !global_config.is_file() {
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bail!("主配置文件不存在: {}", global_config.display());
|
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}
|
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let runtime = LuaRuntime::new(layout)?;
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let root_table: Table = runtime.eval_script(&global_config)?;
|
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let target_name = layout.target_name.as_str();
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// 检查 mirror.lua 中是否存在以 target_name 命名的 Table 节点
|
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let target_val: Mirror = root_table
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.get::<Option<Mirror>>(target_name)
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.with_context(|| format!("读取目标配置 [{}] 失败", target_name))?
|
||||
.ok_or_else(|| {
|
||||
anyhow::anyhow!(
|
||||
"在 'mirror.lua' 中未找到目标程序 [{}] 的配置注册",
|
||||
target_name
|
||||
)
|
||||
})?;
|
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debug!(
|
||||
target = %target_name,
|
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source = %global_config.display(),
|
||||
"成功从全局配置文件中匹配到目标工具"
|
||||
);
|
||||
|
||||
Ok(target_val)
|
||||
}
|
||||
|
||||
/// 1. 核心参数路由解析(Delegation 到 Spec 的路由逻辑)
|
||||
fn resolve_args<I, S>(&self, args: I) -> Vec<OsString>
|
||||
where
|
||||
I: IntoIterator<Item = S>,
|
||||
S: AsRef<std::ffi::OsStr>,
|
||||
{
|
||||
let arg_iter = args.into_iter();
|
||||
|
||||
// 1. 预分配容量:利用迭代器的下限提示,避免多次 Realloc
|
||||
let (lower_bound, _) = arg_iter.size_hint();
|
||||
let mut expanded_args: Vec<OsString> = Vec::with_capacity(lower_bound);
|
||||
|
||||
for i in arg_iter {
|
||||
let os_str = i.as_ref();
|
||||
|
||||
let arg_str = os_str.to_string_lossy();
|
||||
|
||||
// 检查参数是否带有 mr: 前缀
|
||||
if let Some(alias_key) = arg_str.strip_prefix("mr:") {
|
||||
// 如果在加载期打平好的字典中找到了对应的别名,直接展开追加
|
||||
if let Some(alias_values) = self.aliases.get(alias_key) {
|
||||
expanded_args.extend(alias_values.iter().cloned());
|
||||
} else {
|
||||
// 如果找不到对应的别名,按原样参数追加
|
||||
expanded_args.push(os_str.to_os_string());
|
||||
}
|
||||
} else {
|
||||
// 普通参数,直接追加
|
||||
expanded_args.push(os_str.to_os_string());
|
||||
}
|
||||
}
|
||||
expanded_args
|
||||
}
|
||||
|
||||
pub fn to_command<I, S>(&self, combined_args: I) -> Command
|
||||
where
|
||||
I: IntoIterator<Item = S>,
|
||||
S: AsRef<std::ffi::OsStr>,
|
||||
{
|
||||
let mut cmd = Command::new(&self.target);
|
||||
|
||||
// 2. 传入预打平的别名字典,查表并展开所有以 `mr:` 为前缀的别名
|
||||
let final_args = self.resolve_args(combined_args);
|
||||
debug!("拼接后的命令行参数{:?}", final_args);
|
||||
// 3. 将解析展开后的无环参数一次性注入 Command
|
||||
cmd.args(&final_args);
|
||||
|
||||
// 4. 注入配置好的环境变量
|
||||
for (key, val) in &self.env {
|
||||
// 直接应用环境变量(Lua 端已经处理好字符串拼接或列表合并)
|
||||
cmd.env(key, val);
|
||||
}
|
||||
|
||||
cmd
|
||||
}
|
||||
}
|
||||
impl FromLua for Mirror {
|
||||
fn from_lua(value: Value, _lua: &Lua) -> mlua::Result<Self> {
|
||||
// 脚本返回必须是一个 Table 变体
|
||||
let table = match value {
|
||||
Value::Table(t) => t,
|
||||
_ => {
|
||||
return Err(validation_error(format!(
|
||||
"期望得到一个 Lua Table 配置对象,实际是 {}",
|
||||
value.type_name()
|
||||
)));
|
||||
}
|
||||
};
|
||||
|
||||
// 必填字段: target(严格限定为字符串,避免数字被 mlua 宽松转为字符串后掩盖错误)
|
||||
let target = match table.get::<Option<Value>>("target")? {
|
||||
None | Some(Value::Nil) => {
|
||||
return Err(validation_error("缺少必填字段 target(应为字符串路径)"));
|
||||
}
|
||||
Some(target_val) => LuaValidator::parse_target(&target_val)?,
|
||||
};
|
||||
|
||||
// 可选字段: args(缺失或 nil 时默认空列表;保留空字符串参数,与提权路径的 "" 语义一致)
|
||||
let args = match table.get::<Option<Value>>("args")? {
|
||||
None | Some(Value::Nil) => Vec::new(),
|
||||
Some(args_val) => LuaValidator::parse_args(&args_val)?,
|
||||
};
|
||||
|
||||
// 可选字段: env(只允许缺失/nil,其他类型由 Option<Table> 转换报错,不再静默忽略)
|
||||
let env = match table.get::<Option<Value>>("env")? {
|
||||
None | Some(Value::Nil) => HashMap::new(),
|
||||
Some(env_val) => LuaValidator::parse_env(&env_val)?,
|
||||
};
|
||||
|
||||
// 可选字段: aliases(只允许缺失/nil,其他类型由 Option<Table> 转换报错,不再静默忽略)
|
||||
let aliases = match table.get::<Option<Value>>("aliases")? {
|
||||
None | Some(Value::Nil) => HashMap::new(),
|
||||
Some(env_val) => LuaValidator::parse_aliases(&env_val)?,
|
||||
};
|
||||
// println!("环境变量结果:{:?}", env);
|
||||
Ok(Self {
|
||||
target,
|
||||
args,
|
||||
aliases,
|
||||
env,
|
||||
})
|
||||
}
|
||||
}
|
||||
333
mirror-core/src/runtime.rs
Normal file
333
mirror-core/src/runtime.rs
Normal file
@@ -0,0 +1,333 @@
|
||||
use crate::Layout;
|
||||
use crate::error::syntax_error;
|
||||
use crate::utils::normalize_path_for_lua;
|
||||
use anyhow::{Context, Result};
|
||||
use mlua::{FromLua, Lua, StdLib, Table, Value};
|
||||
use std::path::Path;
|
||||
use std::{env, fs};
|
||||
use tracing::{debug, trace, warn};
|
||||
|
||||
const MIRROR_DIR: &str = "__MIRROR_DIR__";
|
||||
|
||||
pub struct LuaRuntime {
|
||||
lua: Lua,
|
||||
}
|
||||
|
||||
impl LuaRuntime {
|
||||
/// 初始化限定权限的 Lua 沙箱环境
|
||||
pub fn new(layout: &Layout) -> Result<Self> {
|
||||
// 只加载安全的标准库,剥离 os / io 等风险模块
|
||||
let lua = Lua::new_with(
|
||||
StdLib::TABLE | StdLib::STRING | StdLib::MATH | StdLib::PACKAGE,
|
||||
mlua::LuaOptions::default(),
|
||||
)
|
||||
.context("初始化 Lua 失败")?;
|
||||
|
||||
// 统一使用 POSIX 风格路径规范化路径字符串
|
||||
let base_dir = normalize_path_for_lua(&layout.base_dir);
|
||||
// let tools_dir = normalize_path_for_lua(&layout.tools_dir);
|
||||
|
||||
// 1. 注入锚点变量 __MIRROR_DIR__(shim 安装根目录)
|
||||
Self::register_mirror_dir(&lua, &base_dir)?;
|
||||
|
||||
// 2. 安全暴露 get_env 供配置读取环境变量
|
||||
// 返回按平台路径分隔符拆分后的段数组(自动剥离引号包裹),
|
||||
// 便于 PATH 等列表变量直接嵌入数组:PATH = { prefix, get_env("PATH") }
|
||||
Self::register_get_env(&lua)?;
|
||||
// 3. 初始化并配置安全/容错的 require 机制
|
||||
Self::setup_require(&lua, &base_dir)?;
|
||||
|
||||
Ok(Self { lua })
|
||||
}
|
||||
|
||||
/// 执行指定脚本文件,直接返回完整的 Lua Table
|
||||
pub fn eval_script<T: FromLua>(&self, path: impl AsRef<Path>) -> Result<T> {
|
||||
let path = path.as_ref();
|
||||
|
||||
let bytes =
|
||||
fs::read(path).with_context(|| format!("无法读取配置文件: {}", path.display()))?;
|
||||
|
||||
let code = String::from_utf8(bytes).with_context(|| {
|
||||
format!(
|
||||
"{} 不是有效的 UTF-8 文件(请将 Lua 配置文件保存为 UTF-8 编码)",
|
||||
path.display()
|
||||
)
|
||||
})?;
|
||||
debug!("code {:?}", code);
|
||||
// 使用 @<path> 格式标记 Chunk 名称,确保 Lua 报错时能精确回溯到对应的源文件名与行号。
|
||||
let chunk_name = format!("@{}", path.display());
|
||||
|
||||
self.lua
|
||||
.load(&code)
|
||||
.set_name(&chunk_name)
|
||||
.eval::<T>()
|
||||
.map_err(syntax_error)
|
||||
.with_context(|| format!("执行 {} 配置文件失败: {}", chunk_name,path.display()))
|
||||
}
|
||||
|
||||
/// 传入注册表的 handler key 与命令行原始参数,内部完成调用
|
||||
pub fn call_handler(
|
||||
&self,
|
||||
handler_key: &mlua::RegistryKey,
|
||||
args: Vec<String>,
|
||||
) -> Result<()> {
|
||||
let handler: mlua::Function = self.lua.registry_value(handler_key)?;
|
||||
let lua_args = self.lua.create_sequence_from(args)?;
|
||||
|
||||
if let Err(err) = handler.call::<()>(lua_args) {
|
||||
let msg = err.to_string();
|
||||
// 内部消化类似 argparse 的帮助退出信号
|
||||
if msg.contains("__ARGPARSE_HELP__") {
|
||||
return Ok(());
|
||||
}
|
||||
anyhow::bail!("{msg}");
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn require_and_run(&self, module_name: &str, raw_args: Vec<String>) -> Result<()> {
|
||||
let require: mlua::Function = self.lua.globals().get("require")?;
|
||||
let handler_val: mlua::Value = require.call(module_name)?;
|
||||
|
||||
let func = match handler_val {
|
||||
mlua::Value::Function(f) => f,
|
||||
other => anyhow::bail!("模块 '{module_name}' 必须返回一个函数,实际为 {}", other.type_name()),
|
||||
};
|
||||
|
||||
let lua_args = self.lua.create_sequence_from(raw_args)?;
|
||||
func.call::<()>(lua_args)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
}
|
||||
impl LuaRuntime {
|
||||
/// 注入全局锚点变量
|
||||
fn register_mirror_dir(lua: &Lua, base_dir: &str) -> Result<()> {
|
||||
lua.globals()
|
||||
.set(MIRROR_DIR, base_dir)
|
||||
.context(format!("设置 {MIRROR_DIR} 环境变量失败"))?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
///注入 get_env 供配置读取环境变量
|
||||
fn register_get_env(lua: &Lua) -> Result<()> {
|
||||
let globals = lua.globals();
|
||||
let get_env = lua
|
||||
.create_function(|lua, key: String| -> mlua::Result<Table> {
|
||||
// 缺失变量视为空字符串,拆分后得到空表(不贡献任何路径段)
|
||||
let value = env::var_os(key).unwrap_or_default();
|
||||
// 空输入返回空表;否则按平台分隔符拆分(split_paths 会剥离引号包裹)
|
||||
if value.is_empty() {
|
||||
return lua.create_table();
|
||||
}
|
||||
let table = lua.create_table()?;
|
||||
for (i, p) in env::split_paths(&value).enumerate() {
|
||||
// 3. 跨平台提取原始字节并转为 LuaString,保证 100% 无损
|
||||
#[cfg(unix)]
|
||||
let lua_str = {
|
||||
use std::os::unix::ffi::OsStrExt;
|
||||
lua.create_string(p.as_os_str().as_bytes())?
|
||||
};
|
||||
|
||||
#[cfg(windows)]
|
||||
let lua_str = {
|
||||
// Windows 路径是 UTF-16,转成字符串或保持其字节表达
|
||||
let s = p.to_string_lossy();
|
||||
lua.create_string(s.as_bytes())?
|
||||
};
|
||||
|
||||
table.set(i + 1, lua_str)?;
|
||||
}
|
||||
|
||||
Ok(table)
|
||||
})
|
||||
.context("注册 get_env 函数失败")?;
|
||||
|
||||
globals
|
||||
.set("get_env", get_env)
|
||||
.context("挂载 get_env 全局函数失败")?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// 配置 package.path 并包装 require,拦截加载失败以提高容错性
|
||||
fn setup_require(lua: &Lua, base_dir: &str) -> Result<()> {
|
||||
let globals = lua.globals();
|
||||
|
||||
// 1. 安全加固并拓展 package 搜索路径
|
||||
let package = globals.get::<Table>("package")?;
|
||||
|
||||
let _ = package.set("cpath", "");
|
||||
let _ = package.set("loadlib", Value::Nil);
|
||||
|
||||
let commands_dir = format!("{}/commands", base_dir);
|
||||
let vendor_dir = format!("{}/vendor", base_dir);
|
||||
|
||||
let path = package.get::<String>("path")?;
|
||||
let new_path = format!(
|
||||
"{};{}/?.lua;{}/?/init.lua;{}/?.lua;{}/?/init.lua;{}/?.lua;{}/?/init.lua;",
|
||||
path, base_dir, base_dir, commands_dir, commands_dir, vendor_dir, vendor_dir
|
||||
);
|
||||
|
||||
debug!("重新写入的 package 查找路径");
|
||||
package.set("path", new_path)?;
|
||||
|
||||
// 2. 获取原生 require 并通过闭包直接持有(无需向全局表注入备份变量)
|
||||
let original_require: mlua::Function = globals
|
||||
.get("require")
|
||||
.context("获取内置 require 函数失败")?;
|
||||
|
||||
let wrapped_require = lua
|
||||
.create_function(move |_lua, module: String| -> mlua::Result<Value> {
|
||||
match original_require.call::<Value>(module.as_str()) {
|
||||
Ok(value) => Ok(value),
|
||||
Err(e) => {
|
||||
warn!(
|
||||
module = %module,
|
||||
error = %e,
|
||||
"配置模块加载失败,已跳过该条目(可在独立配置文件中定义)"
|
||||
);
|
||||
Ok(Value::Nil)
|
||||
}
|
||||
}
|
||||
})
|
||||
.context("创建包装版 require 函数失败")?;
|
||||
|
||||
// 3. 覆盖全局 require
|
||||
globals
|
||||
.set("require", wrapped_require)
|
||||
.context("重载 require 函数失败")?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use crate::{Layout, Mirror};
|
||||
|
||||
fn test_layout() -> Layout {
|
||||
let root = std::env::temp_dir().join("rshim-test-layout");
|
||||
Layout {
|
||||
base_dir: root.clone(),
|
||||
bin_dir: root.join("bin"),
|
||||
target_name: "muna".to_string(),
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn missing_module_require_returns_nil() {
|
||||
let runtime = LuaRuntime::new(&test_layout()).unwrap();
|
||||
let value: Value = runtime
|
||||
.lua
|
||||
.load(r#"return require("rshim_test_no_such_module")"#)
|
||||
.eval()
|
||||
.unwrap();
|
||||
assert!(matches!(value, Value::Nil));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn builtin_module_require_still_works() {
|
||||
let runtime = LuaRuntime::new(&test_layout()).unwrap();
|
||||
let value: Value = runtime
|
||||
.lua
|
||||
.load(r#"return pcall(require, "string")"#)
|
||||
.eval()
|
||||
.unwrap();
|
||||
assert!(matches!(value, Value::Boolean(true)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn get_env_returns_split_table() {
|
||||
let runtime = LuaRuntime::new(&test_layout()).unwrap();
|
||||
let value: Value = runtime
|
||||
.lua
|
||||
.load(r#"return get_env("PATH")"#)
|
||||
.eval()
|
||||
.unwrap();
|
||||
let table = match value {
|
||||
Value::Table(t) => t,
|
||||
other => panic!("expected table, got {}", other.type_name()),
|
||||
};
|
||||
assert!(
|
||||
table.raw_len() >= 1,
|
||||
"PATH should have at least one segment"
|
||||
);
|
||||
|
||||
// split_paths 会剥离引号包裹,拆分段不应再含双引号
|
||||
for i in 1..=table.raw_len() {
|
||||
let seg: String = table.raw_get(i).unwrap();
|
||||
assert!(
|
||||
!seg.contains('"'),
|
||||
"segment should not contain quote: {seg:?}"
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn get_env_missing_returns_empty_table() {
|
||||
let runtime = LuaRuntime::new(&test_layout()).unwrap();
|
||||
let value: Value = runtime
|
||||
.lua
|
||||
.load(r#"return get_env("RSHIM_TEST_NO_SUCH_VAR_12345")"#)
|
||||
.eval()
|
||||
.unwrap();
|
||||
match value {
|
||||
Value::Table(t) => assert_eq!(t.raw_len(), 0),
|
||||
other => panic!("expected table, got {}", other.type_name()),
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn path_with_get_env_joins_without_quote_error() {
|
||||
// 复现用户场景:PATH = { base_dir .. "/tools/numa", get_env("PATH") }
|
||||
// 宿主 PATH 即使含双引号,也应拆分后正常拼接,而不是报错
|
||||
let runtime = LuaRuntime::new(&test_layout()).unwrap();
|
||||
let cfg: Mirror = runtime
|
||||
.lua
|
||||
.load(
|
||||
r#"
|
||||
return {
|
||||
target = __SHIM_DIR__ .. "/tools/numa/numa.exe",
|
||||
args = { "--help" },
|
||||
env = {
|
||||
PATH = { __SHIM_DIR__ .. "/tools/numa", get_env("PATH") }
|
||||
}
|
||||
}
|
||||
"#,
|
||||
)
|
||||
.eval()
|
||||
.unwrap();
|
||||
|
||||
let path = cfg.env.get("PATH").unwrap().to_str().unwrap();
|
||||
let prefix = std::env::temp_dir()
|
||||
.join("rshim-test-layout")
|
||||
.to_string_lossy()
|
||||
.replace('\\', "/")
|
||||
+ "/tools/numa;";
|
||||
assert!(path.starts_with(&prefix), "unexpected PATH: {path}");
|
||||
|
||||
// 宿主 PATH 的段应被附加在配置前缀之后
|
||||
let host = std::env::var("PATH").unwrap_or_default();
|
||||
if !host.is_empty() {
|
||||
let host_first = std::env::split_paths(&host)
|
||||
.next()
|
||||
.unwrap()
|
||||
.to_string_lossy()
|
||||
.into_owned();
|
||||
assert!(
|
||||
path.contains(&host_first),
|
||||
"missing host PATH segment: {host_first}"
|
||||
);
|
||||
}
|
||||
|
||||
// 宿主 PATH 里引号包裹的畸形段(如 "D:\\...\\bin;")应被原样保留,
|
||||
// 而不是让整个配置加载失败
|
||||
if host.contains('"') {
|
||||
assert!(
|
||||
path.contains('"'),
|
||||
"quoted host segments should be preserved"
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
233
mirror-core/src/utils.rs
Normal file
233
mirror-core/src/utils.rs
Normal file
@@ -0,0 +1,233 @@
|
||||
use mlua::LuaString;
|
||||
use std::ffi::OsString;
|
||||
use std::path::Path;
|
||||
|
||||
/// 将 Path 转换为适合 Lua 使用的安全字符串路径
|
||||
pub fn normalize_path_for_lua(path: &Path) -> String {
|
||||
// 自动将 Windows UNC 规范路径转回传统路径
|
||||
let simplified = dunce::simplified(path);
|
||||
simplified.to_string_lossy().replace('\\', "/")
|
||||
}
|
||||
|
||||
/// 将 Lua 字符串转为 Rust 字符串;非 UTF-8 按系统默认的 ANSI/OEM (如 GBK) 进行安全解码
|
||||
pub fn lua_string_2_os_string(s: &LuaString) -> mlua::Result<OsString> {
|
||||
let raw_bytes = &s.as_bytes();
|
||||
// 1. Unix 平台:直接零拷贝透传原始字节(无损支持任意编码)
|
||||
#[cfg(unix)]
|
||||
{
|
||||
use std::os::unix::ffi::OsStrExt;
|
||||
Ok(OsStr::from_bytes(raw_bytes).to_os_string())
|
||||
}
|
||||
// 2. Windows 平台:优先按 UTF-8 解码,失败则按当前系统本地代码页 (ANSI/GBK) 转换
|
||||
#[cfg(windows)]
|
||||
{
|
||||
// 先尝试标准的 UTF-8
|
||||
if let Ok(utf8_str) = std::str::from_utf8(raw_bytes) {
|
||||
return Ok(OsString::from(utf8_str));
|
||||
}
|
||||
|
||||
unsafe {
|
||||
use std::os::windows::ffi::OsStringExt;
|
||||
use windows_sys::Win32::Globalization::{
|
||||
CP_ACP, MB_ERR_INVALID_CHARS, MultiByteToWideChar,
|
||||
};
|
||||
|
||||
if raw_bytes.is_empty() {
|
||||
return Ok(OsString::new());
|
||||
}
|
||||
|
||||
let len = MultiByteToWideChar(
|
||||
CP_ACP,
|
||||
MB_ERR_INVALID_CHARS,
|
||||
raw_bytes.as_ptr(),
|
||||
raw_bytes.len() as i32,
|
||||
std::ptr::null_mut(),
|
||||
0,
|
||||
);
|
||||
|
||||
if len <= 0 {
|
||||
// 构造一个带上下文的 FromLua 转换错误,便于定位配置问题
|
||||
return Err(mlua::Error::FromLuaConversionError {
|
||||
from: "LuaString",
|
||||
to: "OsString".to_string(),
|
||||
message: Some(
|
||||
format!("字符串{:?}包含无效或当前系统无法识别的编码字节", s).to_string(),
|
||||
),
|
||||
});
|
||||
}
|
||||
|
||||
let mut buf = vec![0u16; len as usize];
|
||||
MultiByteToWideChar(
|
||||
CP_ACP,
|
||||
MB_ERR_INVALID_CHARS,
|
||||
raw_bytes.as_ptr(),
|
||||
raw_bytes.len() as i32,
|
||||
buf.as_mut_ptr(),
|
||||
len,
|
||||
);
|
||||
|
||||
Ok(OsString::from_wide(&buf))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// 将输入的字符串按 Shell 规则切分为独立的 CLI 参数 Token
|
||||
/// - 自动过滤连续空格
|
||||
/// - 支持单引号 `'...'` 和双引号 `"..."` 包裹包含空格的参数
|
||||
pub fn parse_tokens(input: &str) -> Vec<OsString> {
|
||||
let mut tokens = Vec::new();
|
||||
let mut current_token = String::new();
|
||||
let mut in_quote: Option<char> = None;
|
||||
let mut chars = input.chars().peekable();
|
||||
|
||||
while let Some(ch) = chars.next() {
|
||||
match (ch, in_quote) {
|
||||
// 处理转义字符 (例如 \")
|
||||
('\\', _quote) => {
|
||||
if let Some(&next_ch) = chars.peek() {
|
||||
let should_escape = if cfg!(windows) {
|
||||
// Windows 策略:只有在转义引号、反斜杠本身时才剥离 \
|
||||
// (如果在双引号内部,空格也不应该被 \ 转义)
|
||||
next_ch == '"' || next_ch == '\'' || next_ch == '\\'
|
||||
} else {
|
||||
// Unix 策略:标准 Shell 转义(引号、反斜杠、空格等)
|
||||
next_ch == '"'
|
||||
|| next_ch == '\''
|
||||
|| next_ch == '\\'
|
||||
|| next_ch.is_whitespace()
|
||||
};
|
||||
|
||||
if should_escape {
|
||||
chars.next(); // 消耗掉下一个字符
|
||||
current_token.push(next_ch);
|
||||
} else {
|
||||
// 保留 Windows 路径分隔符或未知转义中的 \
|
||||
current_token.push('\\');
|
||||
}
|
||||
} else {
|
||||
// 结尾孤立的 \
|
||||
current_token.push('\\');
|
||||
}
|
||||
}
|
||||
// 遇到引号:开启或关闭引号包裹
|
||||
('"' | '\'', None) => {
|
||||
in_quote = Some(ch);
|
||||
}
|
||||
('"' | '\'', Some(q)) if q == ch => {
|
||||
in_quote = None;
|
||||
}
|
||||
// 引号外部遇到空白字符:切分出一个完整的 Token
|
||||
(ch, None) if ch.is_whitespace() => {
|
||||
if !current_token.is_empty() {
|
||||
tokens.push(OsString::from(std::mem::take(&mut current_token)));
|
||||
}
|
||||
}
|
||||
// 其他字符或引号内部字符:直接追加
|
||||
(ch, _) => {
|
||||
current_token.push(ch);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 收尾最后一个 Token
|
||||
if !current_token.is_empty() {
|
||||
tokens.push(OsString::from(current_token));
|
||||
}
|
||||
|
||||
tokens
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use std::ffi::OsString;
|
||||
/// 辅助宏:简化声明与断言对比
|
||||
macro_rules! assert_tokens {
|
||||
($input:expr, $expected:expr) => {
|
||||
let actual = parse_tokens($input);
|
||||
let expected_os: Vec<OsString> = $expected.into_iter().map(OsString::from).collect();
|
||||
assert_eq!(
|
||||
actual, expected_os,
|
||||
"\n测试输入: {:?}\n期望输出: {:?}\n实际输出: {:?}",
|
||||
$input, expected_os, actual
|
||||
);
|
||||
};
|
||||
}
|
||||
#[test]
|
||||
fn test_parse_tokens_basic_split() {
|
||||
// 场景 1:基础多参数拆分(空格分隔)
|
||||
assert_tokens!("cargo run --verbose", vec!["cargo", "run", "--verbose"]);
|
||||
assert_tokens!("git status", vec!["git", "status"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_multi_alias_ref() {
|
||||
// 场景 2:多别名混合与组合引用
|
||||
assert_tokens!(
|
||||
"mr:run --bin mr:base_flags",
|
||||
vec!["mr:run", "--bin", "mr:base_flags"]
|
||||
);
|
||||
assert_tokens!(
|
||||
"mr:app1 mr:app2 --flag",
|
||||
vec!["mr:app1", "mr:app2", "--flag"]
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_continuous_whitespaces() {
|
||||
// 场景 3:连续多空格与制表符过滤
|
||||
assert_tokens!(
|
||||
"mr:run --bin \t my_app",
|
||||
vec!["mr:run", "--bin", "my_app"]
|
||||
);
|
||||
assert_tokens!(" cargo build ", vec!["cargo", "build"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_double_quotes() {
|
||||
// 场景 4:双引号包裹包含空格的参数
|
||||
assert_tokens!(
|
||||
"git commit -m \"fix a bug\"",
|
||||
vec!["git", "commit", "-m", "fix a bug"]
|
||||
);
|
||||
assert_tokens!("echo \"hello world\"", vec!["echo", "hello world"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_single_quotes() {
|
||||
// 场景 5:单引号包裹包含空格的参数
|
||||
assert_tokens!(
|
||||
"gcc -O2 'my file.c' -o app",
|
||||
vec!["gcc", "-O2", "my file.c", "-o", "app"]
|
||||
);
|
||||
assert_tokens!(
|
||||
"python 'script with space.py'",
|
||||
vec!["python", "script with space.py"]
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_escaped_characters() {
|
||||
// 场景 6:反斜杠转义字符
|
||||
assert_tokens!("echo hello\\ world", vec!["echo", "hello\\", "world"]);
|
||||
assert_tokens!(
|
||||
"echo \"hello \\\"world\\\"\"",
|
||||
vec!["echo", "hello \"world\""]
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_single_scalar_and_edge_cases() {
|
||||
// 场景 7:单标量参数与边界情况
|
||||
assert_tokens!("git", vec!["git"]);
|
||||
assert_tokens!("8000", vec!["8000"]);
|
||||
assert_tokens!("", Vec::<&str>::new());
|
||||
assert_tokens!(" ", Vec::<&str>::new());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_tokens_unclosed_quotes() {
|
||||
// 场景 8:未闭合引号的容错处理(会尽量追加到当前 Token 中)
|
||||
assert_tokens!("echo \"hello world", vec!["echo", "hello world"]);
|
||||
}
|
||||
}
|
||||
706
mirror-core/src/validators.rs
Normal file
706
mirror-core/src/validators.rs
Normal file
@@ -0,0 +1,706 @@
|
||||
use crate::error::validation_error;
|
||||
use crate::{lua_string_2_os_string, parse_tokens};
|
||||
use anyhow::{Context, Result, anyhow};
|
||||
use mlua::{LuaString, Table, Value};
|
||||
use std::collections::{HashMap, HashSet};
|
||||
use std::ffi::OsString;
|
||||
use std::fmt;
|
||||
use std::path::PathBuf;
|
||||
use std::str::FromStr;
|
||||
use tinyjson::JsonValue;
|
||||
use tracing::debug;
|
||||
|
||||
/// Lua 值校验器:针对不同上下文定义校验规则
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum LuaValidator {
|
||||
/// 目标程序路径:必须是字符串路径
|
||||
Target,
|
||||
/// 命令行参数元素:仅支持一维基础标量,禁止嵌套 Table
|
||||
Args,
|
||||
/// 环境变量值:支持基础标量及多维嵌套 Table(递归展平)
|
||||
Env,
|
||||
Aliases,
|
||||
}
|
||||
|
||||
impl fmt::Display for LuaValidator {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
match self {
|
||||
Self::Target => write!(f, "目标路径 (target)"),
|
||||
Self::Args => write!(f, "命令行参数 (args)"),
|
||||
Self::Env => write!(f, "环境变量 (env)"),
|
||||
Self::Aliases => write!(f, "命令行别名 (aliases)"),
|
||||
}
|
||||
}
|
||||
}
|
||||
impl LuaValidator {
|
||||
fn parse_sequence(&self, index: i64, item: &Value) -> mlua::Result<()> {
|
||||
match item {
|
||||
Value::String(_) | Value::Integer(_) | Value::Number(_) | Value::Boolean(_) => Ok(()),
|
||||
Value::Table(tbl) => match self {
|
||||
Self::Env | Self::Aliases => self.validate_sequence_table(tbl),
|
||||
Self::Args => Err(validation_error(format!(
|
||||
"{} 仅支持一维数组,不能包含嵌套 Table,索引位置: {index}",
|
||||
self
|
||||
))),
|
||||
Self::Target => Err(validation_error(format!("{} 仅支持字符串", self))),
|
||||
},
|
||||
other => Err(validation_error(format!(
|
||||
"{} 第 {} 个元素类型无效: {}",
|
||||
self,
|
||||
index,
|
||||
other.type_name()
|
||||
))),
|
||||
}
|
||||
}
|
||||
|
||||
/// 校验 Table 是否为严格连续的纯数组,并递归校验其内部元素
|
||||
fn validate_sequence_table(&self, tbl: &Table) -> mlua::Result<()> {
|
||||
let mut index = 1i64;
|
||||
|
||||
// 1. 顺序遍历连续整数索引 1..N
|
||||
loop {
|
||||
let item: Value = tbl.raw_get(index)?;
|
||||
if matches!(&item, Value::Nil) {
|
||||
break;
|
||||
}
|
||||
self.parse_sequence(index, &item)?;
|
||||
|
||||
index += 1;
|
||||
}
|
||||
|
||||
// 2. 查漏:校验是否存在空洞索引或字典键 (Key-Value 键值对)
|
||||
for pair in tbl.pairs::<Value, Value>() {
|
||||
let (key, _) = pair?;
|
||||
match key {
|
||||
Value::Integer(i) if i >= 1 && i < index => {} // 已遍历放行
|
||||
Value::Integer(_) => {
|
||||
return Err(validation_error(format!(
|
||||
"{} 第 {} 个元素为 nil 或不存在(请检查漏写引号或变量未定义)",
|
||||
self, index
|
||||
)));
|
||||
}
|
||||
_ => {
|
||||
return Err(validation_error(format!(
|
||||
"{} 必须是纯列表,不能包含键值对/字典结构",
|
||||
self
|
||||
)));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// 底层 NUL 字符跨平台安全检查
|
||||
fn ensure_no_nul(context: &impl fmt::Display, os_str: &std::ffi::OsStr) -> mlua::Result<()> {
|
||||
#[cfg(unix)]
|
||||
{
|
||||
use std::os::unix::ffi::OsStrExt;
|
||||
if os_str.as_bytes().contains(&0) {
|
||||
return Err(conversion_error(format!(
|
||||
"{} 的值不能包含 NUL 字符",
|
||||
context
|
||||
)));
|
||||
}
|
||||
}
|
||||
#[cfg(windows)]
|
||||
{
|
||||
use std::os::windows::ffi::OsStrExt;
|
||||
if os_str.encode_wide().any(|c| c == 0) {
|
||||
return Err(validation_error(format!(
|
||||
"{} 的值不能包含 NUL 字符",
|
||||
context
|
||||
)));
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// 【纯粹数据转换与展开】将已通过校验的 Value 递归解析为 OsString 动态数组
|
||||
fn collect_value_into(&self, value: &Value, out: &mut Vec<OsString>) -> mlua::Result<()> {
|
||||
match value {
|
||||
Value::Nil => {}
|
||||
Value::String(s) => {
|
||||
let os_str = lua_string_2_os_string(s)?;
|
||||
match self {
|
||||
Self::Args | Self::Aliases => {
|
||||
if let Some(str_ref) = os_str.to_str() {
|
||||
// 使用 Tokenizer 切分空格与引号
|
||||
out.extend(parse_tokens(str_ref));
|
||||
} else {
|
||||
// 对于无法转为 UTF-8 的特殊二进制数据,作为整体追加
|
||||
out.push(os_str);
|
||||
}
|
||||
}
|
||||
Self::Env => {
|
||||
out.push(os_str);
|
||||
}
|
||||
Self::Target => {}
|
||||
}
|
||||
}
|
||||
Value::Integer(i) => out.push(OsString::from(i.to_string())),
|
||||
Value::Number(n) => {
|
||||
tracing::warn!(%self, value = %n, "浮点数将按十进制格式转换为字符串");
|
||||
out.push(OsString::from(n.to_string()));
|
||||
}
|
||||
Value::Boolean(b) => {
|
||||
tracing::warn!(%self, value = %b, "布尔值将转换为字符串");
|
||||
out.push(OsString::from(b.to_string()));
|
||||
}
|
||||
Value::Table(tbl) => {
|
||||
let mut index = 1i64;
|
||||
loop {
|
||||
let item: Value = tbl.raw_get(index)?;
|
||||
if matches!(item, Value::Nil) {
|
||||
break;
|
||||
}
|
||||
|
||||
Self::collect_value_into(self, &item, out)?;
|
||||
index += 1;
|
||||
}
|
||||
}
|
||||
_ => unreachable!("传入收集器的 Value 应已通过 validate 校验"),
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
fn parse_name(name: &Value) -> mlua::Result<String> {
|
||||
let name_str = match name {
|
||||
Value::String(s) => match s.to_str() {
|
||||
Ok(str_ref) => str_ref.to_string(),
|
||||
Err(_) => return Err(validation_error("环境变量名必须是合法的 UTF-8 字符串")),
|
||||
},
|
||||
other => {
|
||||
return Err(validation_error(format!(
|
||||
"环境变量键名类型错误:期望 string,实际是 {}",
|
||||
other.type_name()
|
||||
)));
|
||||
}
|
||||
};
|
||||
if name_str.is_empty() {
|
||||
return Err(validation_error("环境变量名不能为空"));
|
||||
}
|
||||
if name_str.contains('=') {
|
||||
return Err(validation_error(format!(
|
||||
"环境变量名 [{}] 不能包含 '='",
|
||||
name_str
|
||||
)));
|
||||
}
|
||||
if name_str.contains('\0') {
|
||||
return Err(validation_error(format!(
|
||||
"环境变量名 [{}] 不能包含 NUL 字符",
|
||||
name_str
|
||||
)));
|
||||
}
|
||||
Ok(name_str)
|
||||
}
|
||||
fn parse_val(&self, name: &str, value: &Value) -> mlua::Result<()> {
|
||||
match value {
|
||||
Value::Nil
|
||||
| Value::String(_)
|
||||
| Value::Integer(_)
|
||||
| Value::Number(_)
|
||||
| Value::Boolean(_) => Ok(()),
|
||||
Value::Table(tbl) => self.validate_sequence_table(tbl),
|
||||
other => Err(validation_error(format!(
|
||||
"{} [{}]不支持 {} 类型, 仅支持 string/number/boolean 或嵌套数组",
|
||||
self,
|
||||
name,
|
||||
other.type_name()
|
||||
))),
|
||||
}
|
||||
}
|
||||
}
|
||||
impl LuaValidator {
|
||||
/// 解析并校验 `target`
|
||||
pub fn parse_target(value: &Value) -> mlua::Result<PathBuf> {
|
||||
let ctx = Self::Target;
|
||||
match value {
|
||||
Value::String(s) => {
|
||||
let os_str = lua_string_2_os_string(&s)?;
|
||||
Self::ensure_no_nul(&ctx, &os_str)?;
|
||||
Ok(PathBuf::from(os_str))
|
||||
}
|
||||
Value::Nil => Err(validation_error("缺少必填字段 target(应为字符串路径)")),
|
||||
other => Err(validation_error(format!(
|
||||
"{} 需为有效的路径且类型必须是字符串,实际类型是 {}",
|
||||
ctx,
|
||||
other.type_name()
|
||||
))),
|
||||
}
|
||||
}
|
||||
|
||||
/// 解析并校验 `args`
|
||||
pub fn parse_args(value: &Value) -> mlua::Result<Vec<OsString>> {
|
||||
{
|
||||
debug!("args 配置已关闭 ");
|
||||
#[cfg(not(feature = "args"))]
|
||||
Ok(Vec::new())
|
||||
}
|
||||
#[cfg(feature = "args")]
|
||||
{
|
||||
debug!("args 配置已开启");
|
||||
let ctx = Self::Args;
|
||||
match value {
|
||||
Value::Table(tbl) => {
|
||||
ctx.validate_sequence_table(tbl)?;
|
||||
|
||||
let capacity = tbl.raw_len().min(128);
|
||||
|
||||
let mut raw_parts = Vec::with_capacity(capacity);
|
||||
|
||||
Self::collect_value_into(&ctx, value, &mut raw_parts)?;
|
||||
|
||||
for part in &raw_parts {
|
||||
Self::ensure_no_nul(&ctx, &part)?;
|
||||
}
|
||||
Ok(raw_parts)
|
||||
}
|
||||
other => Err(validation_error(format!(
|
||||
"{} 必须是数组列表,实际类型是 {}",
|
||||
ctx,
|
||||
other.type_name()
|
||||
)))?,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// 校验环境变量名的合法性(Windows 约束:非空、不含 '='、不含 NUL)
|
||||
fn parse_env_name(name: &Value) -> mlua::Result<String> {
|
||||
Self::parse_name(name)
|
||||
}
|
||||
|
||||
/// 解析、校验并拼接单个环境变量键值对 (`key`, `value`) -> (`OsString`)
|
||||
fn parse_env_val(
|
||||
context: &LuaValidator,
|
||||
name: &str,
|
||||
raw_val: &Value,
|
||||
) -> mlua::Result<OsString> {
|
||||
context.parse_val(name, raw_val)?;
|
||||
|
||||
// let ctx = format!("{} [{}]", context, name);
|
||||
let capacity = match raw_val {
|
||||
Value::Table(t) => t.raw_len().min(128),
|
||||
Value::Nil => 0,
|
||||
_ => 1,
|
||||
};
|
||||
|
||||
let mut parts = Vec::with_capacity(capacity);
|
||||
|
||||
Self::collect_value_into(&context, raw_val, &mut parts)?;
|
||||
// context.collect_value_into(raw_val, &mut parts)?;
|
||||
|
||||
// 校验每个展开元素的 NUL 字符
|
||||
for part in &parts {
|
||||
Self::ensure_no_nul(&name, part)?;
|
||||
}
|
||||
// 3. 使用系统路径分隔符拼接数组列表
|
||||
let joined_os_str = std::env::join_paths(parts).map_err(|e| {
|
||||
validation_error(format!("{} 的值无法用系统路径分隔符拼接: {}", context, e))
|
||||
})?;
|
||||
Ok(joined_os_str)
|
||||
}
|
||||
|
||||
/// 解析整个 `env` Table,直接返回安全的环境变量 Map
|
||||
pub fn parse_env(value: &Value) -> mlua::Result<HashMap<String, OsString>> {
|
||||
let ctx = Self::Env;
|
||||
|
||||
let Value::Table(tbl) = value else {
|
||||
// 这里作为防御性校验,外部虽然 match 过了,但内层仍保持强类型安全
|
||||
return Err(validation_error(format!(
|
||||
"{} 必须是键值表 (table),实际类型是 {}",
|
||||
ctx,
|
||||
value.type_name()
|
||||
)));
|
||||
};
|
||||
|
||||
let mut env_map = HashMap::new();
|
||||
let mut n = 0i32;
|
||||
|
||||
for pair in tbl.pairs::<Value, Value>() {
|
||||
n += 1;
|
||||
|
||||
let (raw_key, raw_val) = pair?;
|
||||
debug!("env {} {}", n, raw_val.type_name());
|
||||
|
||||
// 1. 解析并校验 Key,拿到安全的 String
|
||||
let key = Self::parse_env_name(&raw_key)?;
|
||||
|
||||
// 2. 借用 &name 传递给 Value 解析器作为上下文
|
||||
let val = Self::parse_env_val(&ctx, &key, &raw_val)?;
|
||||
|
||||
env_map.insert(key, val);
|
||||
}
|
||||
|
||||
Ok(env_map)
|
||||
}
|
||||
}
|
||||
|
||||
impl LuaValidator {
|
||||
/// 校验环境变量名的合法性(Windows 约束:非空、不含 '='、不含 NUL)
|
||||
fn parse_aliases_name(name: &Value) -> mlua::Result<String> {
|
||||
Self::parse_name(name)
|
||||
}
|
||||
fn parse_aliases_val(
|
||||
context: &LuaValidator,
|
||||
name: &str,
|
||||
raw_val: &Value,
|
||||
) -> mlua::Result<Vec<OsString>> {
|
||||
context.parse_val(name, raw_val)?;
|
||||
|
||||
// let ctx = format!("{} [{}]", context, name);
|
||||
// 预估容量:标量为 1,表取其实际长度(设置上限以防止异常输入)
|
||||
let capacity = match raw_val {
|
||||
Value::Table(t) => (t.raw_len() as usize).min(16),
|
||||
Value::Nil => 0,
|
||||
_ => 1,
|
||||
};
|
||||
|
||||
let mut parts = Vec::with_capacity(capacity);
|
||||
Self::collect_value_into(context, raw_val, &mut parts)?;
|
||||
Ok(parts)
|
||||
}
|
||||
/// 解析并打平别名表 (aliases)
|
||||
/// - 支持输入为 Nil / None / Table
|
||||
/// - 别名的值支持:String, Number, Boolean, Nil, " " 空白串, Table(连续数组)
|
||||
/// - 字符串作为整体参数保存,仅做 trim() 清理首尾空格,不按空格拆分
|
||||
/// - 包含拓扑展开与死环检测
|
||||
pub fn parse_aliases(value: &Value) -> mlua::Result<HashMap<String, Vec<OsString>>> {
|
||||
let ctx = Self::Aliases;
|
||||
// 1. 处理 nil / None 的情况,直接返回空 HashMap
|
||||
let Value::Table(table) = value else {
|
||||
return Err(validation_error(format!(
|
||||
"{} 必须是键值表 (table) ,当前类型: {}",
|
||||
ctx,
|
||||
value.type_name()
|
||||
)));
|
||||
};
|
||||
|
||||
// 阶段一:提取原始别名映射 (Raw Extraction)
|
||||
let mut raw_aliases: HashMap<String, Vec<OsString>> = HashMap::new();
|
||||
|
||||
for pair in table.pairs::<Value, Value>() {
|
||||
let (raw_key, raw_val) = pair?;
|
||||
let key = Self::parse_aliases_name(&raw_key)?;
|
||||
let val = Self::parse_aliases_val(&ctx, &key, &raw_val)?;
|
||||
|
||||
raw_aliases.insert(key, val);
|
||||
}
|
||||
// 阶段二:递归拓扑打平与循环引用检测 (Flattening & Cycle Detection)
|
||||
let mut visited_stack = HashSet::new();
|
||||
|
||||
for key in raw_aliases.keys() {
|
||||
visited_stack.clear();
|
||||
Self::detect_alias_cycle(key, &raw_aliases, &mut visited_stack)?;
|
||||
}
|
||||
|
||||
// 阶段三:无环前提下的高效展开
|
||||
let mut flattened_aliases: HashMap<String, Vec<OsString>> =
|
||||
HashMap::with_capacity(raw_aliases.len());
|
||||
|
||||
let mut resolved_args = Vec::new();
|
||||
|
||||
for key in raw_aliases.keys() {
|
||||
resolved_args.clear();
|
||||
Self::expand_alias_dfs(key, &raw_aliases, &mut resolved_args);
|
||||
flattened_aliases.insert(key.clone(), resolved_args.clone());
|
||||
}
|
||||
|
||||
Ok(flattened_aliases)
|
||||
}
|
||||
|
||||
/// 仅用于校验别名依赖图中是否存在死循环(不消耗额外的参数拼接内存)
|
||||
fn detect_alias_cycle(
|
||||
current_key: &str,
|
||||
raw_aliases: &HashMap<String, Vec<OsString>>,
|
||||
visited_stack: &mut HashSet<String>,
|
||||
) -> mlua::Result<()> {
|
||||
// 递归栈中再次遇到相同的 Key,说明存在死循环
|
||||
if visited_stack.contains(current_key) {
|
||||
return Err(validation_error(format!(
|
||||
"配置加载失败: 检测到别名循环嵌套依赖 'mr:{}'",
|
||||
current_key
|
||||
)));
|
||||
}
|
||||
|
||||
if let Some(args) = raw_aliases.get(current_key) {
|
||||
// 压栈
|
||||
visited_stack.insert(current_key.to_string());
|
||||
|
||||
for arg in args {
|
||||
let arg_str = arg.to_string_lossy();
|
||||
if let Some(sub_key) = arg_str.strip_prefix("mr:") {
|
||||
// 如果引用的子别名在映射表中存在,则深度优先校验
|
||||
if raw_aliases.contains_key(sub_key) {
|
||||
Self::detect_alias_cycle(sub_key, raw_aliases, visited_stack)?;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 出栈(回溯)
|
||||
visited_stack.remove(current_key);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
/// 安全拓扑展开:在保证绝对无环的前提下递归展开 mr: 前缀参数
|
||||
fn expand_alias_dfs(
|
||||
current_key: &str,
|
||||
raw_aliases: &HashMap<String, Vec<OsString>>,
|
||||
out: &mut Vec<OsString>,
|
||||
) {
|
||||
if let Some(args) = raw_aliases.get(current_key) {
|
||||
for arg in args {
|
||||
let arg_str = arg.to_string_lossy();
|
||||
if let Some(sub_key) = arg_str.strip_prefix("mr:") {
|
||||
if raw_aliases.contains_key(sub_key) {
|
||||
// 安全地直接递归展开,无需再检查死循环
|
||||
Self::expand_alias_dfs(sub_key, raw_aliases, out);
|
||||
} else {
|
||||
// 找不到对应的别名,按原样参数输出
|
||||
out.push(arg.clone());
|
||||
}
|
||||
} else {
|
||||
// 普通参数,直接输出
|
||||
out.push(arg.clone());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use crate::Mirror;
|
||||
use mlua::{FromLua, Lua};
|
||||
|
||||
fn parse(src: &str) -> mlua::Result<Mirror> {
|
||||
let lua = Lua::new();
|
||||
// 模拟 runtime 注入的 get_env:返回按平台分隔符拆分的段数组(空变量返回空表)
|
||||
let get_env = lua
|
||||
.create_function(|lua, key: String| -> mlua::Result<Table> {
|
||||
let value = std::env::var(key).unwrap_or_default();
|
||||
let segments: Vec<String> = if value.is_empty() {
|
||||
Vec::new()
|
||||
} else {
|
||||
std::env::split_paths(std::ffi::OsStr::new(&value))
|
||||
.map(|p| p.to_string_lossy().into_owned())
|
||||
.collect()
|
||||
};
|
||||
lua.create_sequence_from(segments)
|
||||
})
|
||||
.unwrap();
|
||||
lua.globals().set("get_env", get_env).unwrap();
|
||||
|
||||
let value = lua.load(src).eval::<Value>()?;
|
||||
let t = Mirror::from_lua(value, &lua);
|
||||
println!("读取出的数据:{:?}", t.clone()?);
|
||||
t
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parses_basic_config() {
|
||||
let cfg = parse(
|
||||
r#"
|
||||
return {
|
||||
target = "C:/tools/git.exe",
|
||||
args = { "--no-pager",2},
|
||||
env = {
|
||||
PATH = { "C:/tools/git/bin", "C:/Windows", get_env("PATH")},
|
||||
HOME = "C:/tools/home",
|
||||
CONST = 3,
|
||||
BOOL = true,
|
||||
},
|
||||
aliases = {
|
||||
-- 1. 整体字符串(会自动 trim 首尾空格,保留为单个参数)
|
||||
st = "status -s",
|
||||
|
||||
-- 2. 连续数组表 (Sequence Table)
|
||||
lg = { "log", "--oneline", "-n", 10 },
|
||||
|
||||
-- 3. 标量数字与布尔值支持
|
||||
v = 1,
|
||||
quiet = true,
|
||||
|
||||
-- 4. 嵌套别名组合(加载期会自动展开并进行死环检测)
|
||||
base_log = "log --graph",
|
||||
all_log = { "mr:base_log", "--all","D:\\CNWei\\CNW\\Rust","D:/CNWei/CNW/Rust/" ,[[D:\CNWei\CNW\Rust\]]},
|
||||
|
||||
-- 5. nil 或空字符串(解析为空参数列表)
|
||||
empty_alias = nil,
|
||||
blank = " "
|
||||
}
|
||||
}
|
||||
"#,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(cfg.target, PathBuf::from("C:/tools/git.exe"));
|
||||
// assert_eq!(cfg.args, vec!["--no-pager", "2"]);
|
||||
assert_eq!(cfg.env.get("HOME").unwrap().to_str(), Some("C:/tools/home"));
|
||||
// PATH 前缀来自配置,随后附加 get_env("PATH") 拆出的宿主 PATH 段
|
||||
let path = cfg.env.get("PATH").unwrap().to_str().unwrap();
|
||||
assert!(
|
||||
path == "C:/tools/git/bin;C:/Windows"
|
||||
|| path.starts_with("C:/tools/git/bin;C:/Windows;"),
|
||||
"unexpected PATH: {path}"
|
||||
);
|
||||
// ==================== aliases 断言校验 ====================
|
||||
|
||||
// 1. 整体字符串:保留原样(trim 后),不切分空格
|
||||
assert_eq!(
|
||||
cfg.aliases.get("st").unwrap(),
|
||||
&vec![OsString::from("status"), OsString::from("-s")]
|
||||
);
|
||||
|
||||
// 2. 连续数组表:按顺序转为 OsString 列表
|
||||
assert_eq!(
|
||||
cfg.aliases.get("lg").unwrap(),
|
||||
&vec![
|
||||
OsString::from("log"),
|
||||
OsString::from("--oneline"),
|
||||
OsString::from("-n"),
|
||||
OsString::from("10")
|
||||
]
|
||||
);
|
||||
|
||||
// 3. 标量数字与布尔值支持
|
||||
assert_eq!(cfg.aliases.get("v").unwrap(), &vec![OsString::from("1")]);
|
||||
assert_eq!(
|
||||
cfg.aliases.get("quiet").unwrap(),
|
||||
&vec![OsString::from("true")]
|
||||
);
|
||||
|
||||
// 4. 嵌套别名组合:加载期递归拓扑打平
|
||||
// base_log 本身为 "log --graph"
|
||||
assert_eq!(
|
||||
cfg.aliases.get("base_log").unwrap(),
|
||||
&vec![OsString::from("log"), OsString::from("--graph")]
|
||||
);
|
||||
// all_log 展开 mr:base_log 替换为 "log --graph",追加 "--all"
|
||||
assert_eq!(
|
||||
cfg.aliases.get("all_log").unwrap(),
|
||||
&vec![
|
||||
OsString::from("log"),
|
||||
OsString::from("--graph"),
|
||||
OsString::from("--all"),
|
||||
OsString::from("D:\\CNWei\\CNW\\Rust"),
|
||||
OsString::from("D:/CNWei/CNW/Rust/"),
|
||||
OsString::from("D:\\CNWei\\CNW\\Rust\\"),
|
||||
]
|
||||
);
|
||||
|
||||
// 5. nil 与纯空白字符串:解析为空 Vec
|
||||
assert_eq!(cfg.aliases.get("blank").unwrap(), &Vec::<OsString>::new());
|
||||
// nil 键在遍历表时会被当作空或不存在,不产生 key 或值为空 Vec
|
||||
assert!(
|
||||
cfg.aliases
|
||||
.get("empty_alias")
|
||||
.map_or(true, |v| v.is_empty())
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn missing_args_and_env_are_empty() {
|
||||
let cfg = parse(r#"return { target = "t.exe" }"#).unwrap();
|
||||
assert!(cfg.args.is_empty());
|
||||
assert!(cfg.env.is_empty());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn keeps_empty_args() {
|
||||
let cfg = parse(r#"return { target = "t.exe", args = { "" } }"#).unwrap();
|
||||
assert_eq!(cfg.args, vec![""]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn keeps_empty_env_value() {
|
||||
let cfg = parse(r#"return { target = "t.exe", env = { FOO = "" } }"#).unwrap();
|
||||
assert_eq!(cfg.env.get("FOO").unwrap().to_str(), Some(""));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn empty_array_clears_env_var() {
|
||||
let cfg = parse(r#"return { target = "t.exe", env = { PATH = {} } }"#).unwrap();
|
||||
assert_eq!(cfg.env.get("PATH").unwrap().to_str(), Some(""));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn expands_nested_env_array() {
|
||||
// get_env("PATH") 现在返回拆分后的段数组,嵌套表应被递归展开
|
||||
let cfg = parse(
|
||||
r#"return { target = "t.exe", env = { PATH = { "C:/a", { "C:/b", "C:/c" } } } }"#,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(
|
||||
cfg.env.get("PATH").unwrap().to_str(),
|
||||
Some("C:/a;C:/b;C:/c")
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_wrong_env_type() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = "PATH=C:/x" }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_sparse_env_array() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = { P = { "a", nil, "b" } } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_mixed_key_env_array() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = { P = { a = "b" } } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_invalid_env_key() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = { ["FOO=1"] = "x" } }"#).is_err());
|
||||
assert!(parse(r#"return { target = "t.exe", env = { [""] = "x" } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_nul_in_env_value() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = { P = { string.char(0) } } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_quote_in_env_value() {
|
||||
// Windows 的 join_paths 对含双引号的路径元素返回错误
|
||||
assert!(
|
||||
parse(r#"return { target = "t.exe", env = { P = { string.char(34) } } }"#).is_err()
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_unsupported_env_value_type() {
|
||||
assert!(parse(r#"return { target = "t.exe", env = { F = function() end } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn missing_target_is_error() {
|
||||
assert!(parse(r#"return { args = { "x" } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_non_string_target() {
|
||||
assert!(parse(r#"return { target = 123 }"#).is_err());
|
||||
assert!(parse(r#"return { target = false }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_non_string_args_element() {
|
||||
// ValueShunt::Args 允许基础标量(数字/布尔)转字符串,仅禁止嵌套表
|
||||
let cfg = parse(r#"return { target = "t.exe", args = { 1, true } }"#).unwrap();
|
||||
assert_eq!(cfg.args, vec!["1", "true"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_sparse_args() {
|
||||
assert!(parse(r#"return { target = "t.exe", args = { "a", nil, "b" } }"#).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rejects_non_table_args() {
|
||||
assert!(parse(r#"return { target = "t.exe", args = "-B" }"#).is_err());
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user