cache_lite/config.rs
1/*
2 * @filename: config.rs
3 * @description: Configuration structures for cache-lite library
4 * @author: TaimWay <taimway@gmail.com>
5 *
6 * Copyright (C) 2026 TaimWay
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in all
16 * copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
27use serde::{Deserialize, Serialize};
28
29/// Main configuration structure for cache behavior
30///
31/// # Fields
32/// - `path`: Platform-specific storage paths (Windows/Linux)
33/// - `format`: File naming format template
34/// - `lifecycle`: Cache lifecycle policy
35#[derive(Debug, Clone, Serialize, Deserialize)]
36pub struct CacheConfig {
37 pub path: CachePathConfig,
38 pub format: CacheFormatConfig
39}
40
41/// Platform-specific path configuration
42#[derive(Debug, Clone, Serialize, Deserialize)]
43pub struct CachePathConfig {
44 pub windows: String,
45 pub linux: String,
46}
47
48/// File naming format configuration
49#[derive(Debug, Clone, Serialize, Deserialize)]
50pub struct CacheFormatConfig {
51 pub filename: String,
52 pub time: String
53}
54
55/// Cache lifecycle policy
56#[deprecated(note="This enumeration has been temporarily deprecated due to issues. You can use the CacheObject::delete() function to delete cache files.")]
57#[derive(Debug, Clone, Serialize, Deserialize)]
58#[allow(dead_code)]
59pub enum LifecyclePolicy {
60 /// Cache persists until program termination
61 ProgramTerminated,
62 /// Cache persists until it goes out of scope
63 Scope,
64 /// Cache never expires (default)
65 Never
66}
67
68impl CacheConfig {
69 /// Creates a new CacheConfig from JSON string
70 ///
71 /// # Parameters
72 /// - `json_config: &str` - JSON configuration string
73 ///
74 /// # Returns
75 /// New CacheConfig instance
76 pub fn new(json_config: &str) -> Self {
77 // Parse JSON configuration
78 serde_json::from_str(json_config)
79 .unwrap_or_else(|_| Self::default())
80 }
81
82 /// Creates a new CacheConfig with default values
83 pub fn default() -> Self {
84 CacheConfig {
85 path: CachePathConfig {
86 windows: "%temp%/Rust/Cache".to_string(),
87 linux: "/tmp/Rust/Cache".to_string(),
88 },
89 format: CacheFormatConfig {
90 filename: "r{name}.{time}.cache".to_string(),
91 time: "%Y+%m+%d-%H+%M+%S".to_string()
92 }
93 }
94 }
95}