373 lines
9.8 KiB
Rust
373 lines
9.8 KiB
Rust
//! 宪法宏元数据模块 - 完整实现
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//!
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//! 提供运行时元数据生成、反射支持和序列化功能。
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use serde::{Deserialize, Serialize};
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use std::collections::HashMap;
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/// 函数元数据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct FunctionMetadata {
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/// 宪法条款ID
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pub clause_id: &'static str,
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/// 函数名称
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pub function_name: &'static str,
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/// 输入参数
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pub inputs: &'static str,
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/// 输出类型
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pub output: &'static str,
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/// 检查表达式
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pub check_expression: &'static str,
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/// 义务类型
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pub obligation_type: &'static str,
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}
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impl FunctionMetadata {
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/// 创建新的函数元数据
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pub const fn new(
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clause_id: &'static str,
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function_name: &'static str,
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inputs: &'static str,
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output: &'static str,
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check_expression: &'static str,
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obligation_type: &'static str,
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) -> Self {
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Self {
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clause_id,
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function_name,
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inputs,
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output,
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check_expression,
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obligation_type,
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}
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}
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/// 获取完整的函数签名
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pub fn signature(&self) -> String {
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format!("{}({}) -> {}", self.function_name, self.inputs, self.output)
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}
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/// 检查是否有检查表达式
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pub fn has_check(&self) -> bool {
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!self.check_expression.is_empty()
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}
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/// 检查是否有义务类型
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pub fn has_obligation(&self) -> bool {
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!self.obligation_type.is_empty()
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}
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/// 转换为JSON字符串
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pub fn to_json(&self) -> Result<String, serde_json::Error> {
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serde_json::to_string_pretty(self)
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}
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/// 从JSON字符串解析
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/// 注意：由于包含 &'static str，实际使用时需要特殊处理
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/// 这个方法仅用于测试目的
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#[cfg(test)]
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pub fn from_json(_json: &str) -> Result<Self, serde_json::Error> {
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// 由于生命周期限制，这里返回一个默认值
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Ok(Self::new("", "", "", "", "", ""))
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}
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}
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/// 条款元数据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ClauseMetadata {
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/// 条款ID
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pub id: String,
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/// 条款名称
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pub name: String,
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/// 条款描述
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pub description: String,
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/// 条款版本
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pub version: String,
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/// 条款参数
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pub parameters: HashMap<String, ParameterMetadata>,
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/// 关联函数
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pub functions: Vec<String>,
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/// 创建时间
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pub created_at: String,
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/// 更新时间
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pub updated_at: String,
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}
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impl ClauseMetadata {
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/// 创建新的条款元数据
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pub fn new(id: impl Into<String>, name: impl Into<String>, description: impl Into<String>) -> Self {
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let now = chrono::Utc::now().to_rfc3339();
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Self {
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id: id.into(),
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name: name.into(),
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description: description.into(),
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version: "1.0.0".to_string(),
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parameters: HashMap::new(),
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functions: Vec::new(),
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created_at: now.clone(),
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updated_at: now,
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}
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}
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/// 添加参数
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pub fn add_parameter(&mut self, name: impl Into<String>, metadata: ParameterMetadata) {
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self.parameters.insert(name.into(), metadata);
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self.update_timestamp();
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}
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/// 添加关联函数
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pub fn add_function(&mut self, function_name: impl Into<String>) {
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self.functions.push(function_name.into());
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self.update_timestamp();
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}
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/// 更新时间戳
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fn update_timestamp(&mut self) {
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self.updated_at = chrono::Utc::now().to_rfc3339();
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}
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/// 获取参数数量
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pub fn parameter_count(&self) -> usize {
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self.parameters.len()
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}
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/// 获取函数数量
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pub fn function_count(&self) -> usize {
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self.functions.len()
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}
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/// 转换为JSON字符串
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pub fn to_json(&self) -> Result<String, serde_json::Error> {
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serde_json::to_string_pretty(self)
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}
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/// 从JSON字符串解析
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pub fn from_json(json: &str) -> Result<Self, serde_json::Error> {
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serde_json::from_str(json)
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}
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}
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/// 参数元数据
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ParameterMetadata {
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/// 参数名称
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pub name: String,
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/// 参数类型
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pub param_type: String,
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/// 参数描述
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pub description: String,
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/// 默认值
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pub default_value: Option<String>,
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/// 最小值
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pub min_value: Option<String>,
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/// 最大值
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pub max_value: Option<String>,
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/// 是否必需
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pub required: bool,
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}
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impl ParameterMetadata {
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/// 创建新的参数元数据
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pub fn new(
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name: impl Into<String>,
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param_type: impl Into<String>,
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description: impl Into<String>,
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) -> Self {
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Self {
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name: name.into(),
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param_type: param_type.into(),
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description: description.into(),
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default_value: None,
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min_value: None,
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max_value: None,
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required: false,
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}
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}
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/// 设置默认值
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pub fn with_default(mut self, value: impl Into<String>) -> Self {
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self.default_value = Some(value.into());
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self
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}
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/// 设置最小值
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pub fn with_min(mut self, value: impl Into<String>) -> Self {
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self.min_value = Some(value.into());
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self
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}
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/// 设置最大值
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pub fn with_max(mut self, value: impl Into<String>) -> Self {
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self.max_value = Some(value.into());
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self
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}
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/// 设置为必需
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pub fn required(mut self) -> Self {
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self.required = true;
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self
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}
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/// 检查值是否在范围内
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pub fn is_in_range(&self, value: &str) -> bool {
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// 简化版本，实际应该根据类型进行比较
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if let Some(min) = &self.min_value {
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if value < min {
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return false;
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}
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}
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if let Some(max) = &self.max_value {
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if value > max {
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return false;
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}
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}
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true
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}
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}
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/// 元数据注册表
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#[derive(Debug, Default)]
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pub struct MetadataRegistry {
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/// 函数元数据映射
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functions: HashMap<String, FunctionMetadata>,
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/// 条款元数据映射
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clauses: HashMap<String, ClauseMetadata>,
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}
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impl MetadataRegistry {
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/// 创建新的注册表
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pub fn new() -> Self {
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Self::default()
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}
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/// 注册函数元数据
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pub fn register_function(&mut self, metadata: FunctionMetadata) {
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self.functions.insert(metadata.function_name.to_string(), metadata);
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}
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/// 注册条款元数据
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pub fn register_clause(&mut self, metadata: ClauseMetadata) {
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self.clauses.insert(metadata.id.clone(), metadata);
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}
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/// 获取函数元数据
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pub fn get_function(&self, name: &str) -> Option<&FunctionMetadata> {
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self.functions.get(name)
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}
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/// 获取条款元数据
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pub fn get_clause(&self, id: &str) -> Option<&ClauseMetadata> {
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self.clauses.get(id)
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}
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/// 获取所有函数元数据
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pub fn all_functions(&self) -> Vec<&FunctionMetadata> {
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self.functions.values().collect()
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}
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/// 获取所有条款元数据
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pub fn all_clauses(&self) -> Vec<&ClauseMetadata> {
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self.clauses.values().collect()
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}
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/// 根据条款ID查找关联函数
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pub fn functions_by_clause(&self, clause_id: &str) -> Vec<&FunctionMetadata> {
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self.functions
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.values()
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.filter(|f| f.clause_id == clause_id)
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.collect()
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}
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/// 导出为JSON
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pub fn export_json(&self) -> Result<String, serde_json::Error> {
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#[derive(Serialize)]
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struct Export<'a> {
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functions: Vec<&'a FunctionMetadata>,
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clauses: Vec<&'a ClauseMetadata>,
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}
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let export = Export {
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functions: self.all_functions(),
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clauses: self.all_clauses(),
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};
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serde_json::to_string_pretty(&export)
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_function_metadata() {
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let metadata = FunctionMetadata::new(
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"TEST_CLAUSE",
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"test_function",
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"amount: u64",
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"Result<(), Error>",
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"amount > 0",
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"test_obligation",
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);
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assert_eq!(metadata.clause_id, "TEST_CLAUSE");
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assert_eq!(metadata.function_name, "test_function");
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assert!(metadata.has_check());
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assert!(metadata.has_obligation());
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}
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#[test]
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fn test_clause_metadata() {
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let mut metadata = ClauseMetadata::new(
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"TEST_CLAUSE",
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"Test Clause",
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"A test clause for testing",
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);
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metadata.add_parameter(
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"min_amount",
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ParameterMetadata::new("min_amount", "u64", "Minimum amount")
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.with_min("0")
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.required(),
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);
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metadata.add_function("test_function");
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assert_eq!(metadata.parameter_count(), 1);
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assert_eq!(metadata.function_count(), 1);
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}
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#[test]
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fn test_parameter_metadata() {
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let param = ParameterMetadata::new("amount", "u64", "Transaction amount")
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.with_default("0")
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.with_min("0")
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.with_max("1000000")
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.required();
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assert_eq!(param.name, "amount");
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assert_eq!(param.param_type, "u64");
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assert!(param.required);
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assert!(param.default_value.is_some());
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}
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#[test]
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fn test_metadata_registry() {
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let mut registry = MetadataRegistry::new();
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let func_metadata = FunctionMetadata::new(
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"TEST_CLAUSE",
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"test_function",
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"amount: u64",
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"Result<(), Error>",
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"amount > 0",
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"test_obligation",
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);
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registry.register_function(func_metadata);
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assert!(registry.get_function("test_function").is_some());
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assert_eq!(registry.all_functions().len(), 1);
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}
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}
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