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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `UCXL/src/lib.rs`."><title>lib.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-916cea96.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="ucxl" data-themes="" data-resource-suffix="" data-rustdoc-version="1.87.0 (17067e9ac 2025-05-09)" data-channel="1.87.0" data-search-js="search-e7298875.js" data-settings-js="settings-d72f25bb.js" ><script src="../../static.files/storage-82c7156e.js"></script><script defer src="../../static.files/src-script-63605ae7.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-fb8c74a8.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">ucxl/</div>lib.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! UCXL core data structures and utilities.
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<a href=#2 id=2 data-nosnippet>2</a>//!
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<a href=#3 id=3 data-nosnippet>3</a>//! This module provides the fundamental types used throughout the CHORUS
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<a href=#4 id=4 data-nosnippet>4</a>//! system for addressing resources (UCXL addresses), handling temporal axes,
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<a href=#5 id=5 data-nosnippet>5</a>//! and storing lightweight metadata. The implementation is deliberately
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<a href=#6 id=6 data-nosnippet>6</a>//! lightweight and in‑memory to keep the core fast and dependency‑free.
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<a href=#7 id=7 data-nosnippet>7</a>
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<a href=#8 id=8 data-nosnippet>8</a></span><span class="kw">pub mod </span>watcher;
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<a href=#9 id=9 data-nosnippet>9</a>
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<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>std::collections::HashMap;
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<a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>std::fmt;
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<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>std::str::FromStr;
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<a href=#13 id=13 data-nosnippet>13</a>
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<a href=#14 id=14 data-nosnippet>14</a><span class="doccomment">/// Represents the temporal axis in a UCXL address.
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<a href=#15 id=15 data-nosnippet>15</a>///
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<a href=#16 id=16 data-nosnippet>16</a>/// **What**: An enumeration of the three supported temporal positions –
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<a href=#17 id=17 data-nosnippet>17</a>/// present, past, and future – each represented by a symbolic string in the
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<a href=#18 id=18 data-nosnippet>18</a>/// address format.
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<a href=#19 id=19 data-nosnippet>19</a>///
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<a href=#20 id=20 data-nosnippet>20</a>/// **How**: The enum derives `Debug`, `PartialEq`, `Eq`, `Clone`, and `Copy`
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<a href=#21 id=21 data-nosnippet>21</a>/// for ergonomic usage. Conversions to and from strings are provided via the
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<a href=#22 id=22 data-nosnippet>22</a>/// `FromStr` and `fmt::Display` implementations.
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<a href=#23 id=23 data-nosnippet>23</a>///
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<a href=#24 id=24 data-nosnippet>24</a>/// **Why**: Temporal axes enable UCXL to refer to data at different points in
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<a href=#25 id=25 data-nosnippet>25</a>/// time (e.g. versioned resources). The simple three‑state model matches the
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<a href=#26 id=26 data-nosnippet>26</a>/// CHURUS architectural decision to keep addressing lightweight while still
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<a href=#27 id=27 data-nosnippet>27</a>/// supporting historical and speculative queries.
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<a href=#28 id=28 data-nosnippet>28</a></span><span class="attr">#[derive(Debug, PartialEq, Eq, Clone, Copy)]
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<a href=#29 id=29 data-nosnippet>29</a></span><span class="kw">pub enum </span>TemporalAxis {
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<a href=#30 id=30 data-nosnippet>30</a> <span class="doccomment">/// Present ("#") – the current version of a resource.
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<a href=#31 id=31 data-nosnippet>31</a> </span>Present,
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<a href=#32 id=32 data-nosnippet>32</a> <span class="doccomment">/// Past ("~~") – a historical snapshot of a resource.
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<a href=#33 id=33 data-nosnippet>33</a> </span>Past,
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<a href=#34 id=34 data-nosnippet>34</a> <span class="doccomment">/// Future ("^^") – a speculative or planned version of a resource.
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<a href=#35 id=35 data-nosnippet>35</a> </span>Future,
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<a href=#36 id=36 data-nosnippet>36</a>}
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<a href=#37 id=37 data-nosnippet>37</a>
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<a href=#38 id=38 data-nosnippet>38</a><span class="kw">impl </span>FromStr <span class="kw">for </span>TemporalAxis {
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<a href=#39 id=39 data-nosnippet>39</a> <span class="kw">type </span><span class="prelude-val">Err </span>= String;
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<a href=#40 id=40 data-nosnippet>40</a> <span class="doccomment">/// Parses a temporal axis token from its textual representation.
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<a href=#41 id=41 data-nosnippet>41</a> ///
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<a href=#42 id=42 data-nosnippet>42</a> /// **What**: Accepts "#", "~~" or "^^" and maps them to the corresponding
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<a href=#43 id=43 data-nosnippet>43</a> /// enum variant.
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<a href=#44 id=44 data-nosnippet>44</a> ///
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<a href=#45 id=45 data-nosnippet>45</a> /// **How**: A simple `match` statement is used; an error string is
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<a href=#46 id=46 data-nosnippet>46</a> /// returned for any unrecognised token.
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<a href=#47 id=47 data-nosnippet>47</a> ///
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<a href=#48 id=48 data-nosnippet>48</a> /// **Why**: Centralises validation of temporal markers used throughout the
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<a href=#49 id=49 data-nosnippet>49</a> /// address parsing logic, ensuring consistency.
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<a href=#50 id=50 data-nosnippet>50</a> </span><span class="kw">fn </span>from_str(s: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Err> {
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<a href=#51 id=51 data-nosnippet>51</a> <span class="kw">match </span>s {
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<a href=#52 id=52 data-nosnippet>52</a> <span class="string">"#" </span>=> <span class="prelude-val">Ok</span>(TemporalAxis::Present),
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<a href=#53 id=53 data-nosnippet>53</a> <span class="string">"~~" </span>=> <span class="prelude-val">Ok</span>(TemporalAxis::Past),
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<a href=#54 id=54 data-nosnippet>54</a> <span class="string">"^^" </span>=> <span class="prelude-val">Ok</span>(TemporalAxis::Future),
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<a href=#55 id=55 data-nosnippet>55</a> <span class="kw">_ </span>=> <span class="prelude-val">Err</span>(<span class="macro">format!</span>(<span class="string">"Invalid temporal axis: {}"</span>, s)),
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<a href=#56 id=56 data-nosnippet>56</a> }
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<a href=#57 id=57 data-nosnippet>57</a> }
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<a href=#58 id=58 data-nosnippet>58</a>}
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<a href=#59 id=59 data-nosnippet>59</a>
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<a href=#60 id=60 data-nosnippet>60</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>TemporalAxis {
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<a href=#61 id=61 data-nosnippet>61</a> <span class="doccomment">/// Formats the temporal axis back to its string token.
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<a href=#62 id=62 data-nosnippet>62</a> ///
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<a href=#63 id=63 data-nosnippet>63</a> /// **What**: Returns "#", "~~" or "^^" depending on the variant.
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<a href=#64 id=64 data-nosnippet>64</a> ///
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<a href=#65 id=65 data-nosnippet>65</a> /// **How**: Matches on `self` and writes the corresponding string to the
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<a href=#66 id=66 data-nosnippet>66</a> /// formatter.
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<a href=#67 id=67 data-nosnippet>67</a> ///
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<a href=#68 id=68 data-nosnippet>68</a> /// **Why**: Required for serialising a `UCXLAddress` back to its textual
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<a href=#69 id=69 data-nosnippet>69</a> /// representation.
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<a href=#70 id=70 data-nosnippet>70</a> </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
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<a href=#71 id=71 data-nosnippet>71</a> <span class="kw">let </span>s = <span class="kw">match </span><span class="self">self </span>{
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<a href=#72 id=72 data-nosnippet>72</a> TemporalAxis::Present => <span class="string">"#"</span>,
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<a href=#73 id=73 data-nosnippet>73</a> TemporalAxis::Past => <span class="string">"~~"</span>,
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<a href=#74 id=74 data-nosnippet>74</a> TemporalAxis::Future => <span class="string">"^^"</span>,
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<a href=#75 id=75 data-nosnippet>75</a> };
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<a href=#76 id=76 data-nosnippet>76</a> <span class="macro">write!</span>(f, <span class="string">"{}"</span>, s)
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<a href=#77 id=77 data-nosnippet>77</a> }
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<a href=#78 id=78 data-nosnippet>78</a>}
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<a href=#79 id=79 data-nosnippet>79</a>
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<a href=#80 id=80 data-nosnippet>80</a><span class="doccomment">/// Represents a parsed UCXL address.
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<a href=#81 id=81 data-nosnippet>81</a>///
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<a href=#82 id=82 data-nosnippet>82</a>/// **What**: Holds the components extracted from a UCXL URI – the agent, an
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<a href=#83 id=83 data-nosnippet>83</a>/// optional role, the project identifier, task name, temporal axis, and the
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<a href=#84 id=84 data-nosnippet>84</a>/// resource path within the project.
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<a href=#85 id=85 data-nosnippet>85</a>///
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<a href=#86 id=86 data-nosnippet>86</a>/// **How**: The struct is constructed via the `FromStr` implementation which
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<a href=#87 id=87 data-nosnippet>87</a>/// validates the scheme, splits the address into its constituent parts and
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<a href=#88 id=88 data-nosnippet>88</a>/// populates the fields. The `Display` implementation performs the inverse
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<a href=#89 id=89 data-nosnippet>89</a>/// operation.
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<a href=#90 id=90 data-nosnippet>90</a>///
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<a href=#91 id=91 data-nosnippet>91</a>/// **Why**: UCXL addresses are the primary routing mechanism inside CHORUS.
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<a href=#92 id=92 data-nosnippet>92</a>/// Encapsulating them in a dedicated type provides type‑safety and makes it
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<a href=#93 id=93 data-nosnippet>93</a>/// easy to work with address components in the rest of the codebase.
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<a href=#94 id=94 data-nosnippet>94</a></span><span class="attr">#[derive(Debug, PartialEq, Eq, Clone)]
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<a href=#95 id=95 data-nosnippet>95</a></span><span class="kw">pub struct </span>UCXLAddress {
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<a href=#96 id=96 data-nosnippet>96</a> <span class="doccomment">/// The identifier of the agent (e.g., a user or system component).
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<a href=#97 id=97 data-nosnippet>97</a> </span><span class="kw">pub </span>agent: String,
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<a href=#98 id=98 data-nosnippet>98</a> <span class="doccomment">/// Optional role associated with the agent (e.g., "admin").
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<a href=#99 id=99 data-nosnippet>99</a> </span><span class="kw">pub </span>role: <span class="prelude-ty">Option</span><String>,
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<a href=#100 id=100 data-nosnippet>100</a> <span class="doccomment">/// The project namespace this address belongs to.
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<a href=#101 id=101 data-nosnippet>101</a> </span><span class="kw">pub </span>project: String,
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<a href=#102 id=102 data-nosnippet>102</a> <span class="doccomment">/// The specific task within the project.
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<a href=#103 id=103 data-nosnippet>103</a> </span><span class="kw">pub </span>task: String,
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<a href=#104 id=104 data-nosnippet>104</a> <span class="doccomment">/// Temporal axis indicating present, past or future.
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<a href=#105 id=105 data-nosnippet>105</a> </span><span class="kw">pub </span>temporal: TemporalAxis,
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<a href=#106 id=106 data-nosnippet>106</a> <span class="doccomment">/// Path to the resource relative to the project root.
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<a href=#107 id=107 data-nosnippet>107</a> </span><span class="kw">pub </span>path: String,
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<a href=#108 id=108 data-nosnippet>108</a>}
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<a href=#109 id=109 data-nosnippet>109</a>
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<a href=#110 id=110 data-nosnippet>110</a><span class="kw">impl </span>FromStr <span class="kw">for </span>UCXLAddress {
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<a href=#111 id=111 data-nosnippet>111</a> <span class="kw">type </span><span class="prelude-val">Err </span>= String;
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<a href=#112 id=112 data-nosnippet>112</a> <span class="doccomment">/// Parses a full UCXL address string into a `UCXLAddress` value.
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<a href=#113 id=113 data-nosnippet>113</a> ///
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<a href=#114 id=114 data-nosnippet>114</a> /// **What**: Validates the scheme (`ucxl://`), extracts the agent, optional
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<a href=#115 id=115 data-nosnippet>115</a> /// role, project, task, temporal axis and the trailing resource path.
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<a href=#116 id=116 data-nosnippet>116</a> ///
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<a href=#117 id=117 data-nosnippet>117</a> /// **How**: The implementation performs a series of `split` operations,
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<a href=#118 id=118 data-nosnippet>118</a> /// handling optional components and converting the temporal token via
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<a href=#119 id=119 data-nosnippet>119</a> /// `TemporalAxis::from_str`. Errors are surfaced as descriptive strings.
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<a href=#120 id=120 data-nosnippet>120</a> ///
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<a href=#121 id=121 data-nosnippet>121</a> /// **Why**: Centralises address parsing logic, ensuring that all parts of
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<a href=#122 id=122 data-nosnippet>122</a> /// the system interpret UCXL URIs consistently.
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<a href=#123 id=123 data-nosnippet>123</a> </span><span class="kw">fn </span>from_str(address: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Err> {
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<a href=#124 id=124 data-nosnippet>124</a> <span class="comment">// Ensure the scheme is correct
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<a href=#125 id=125 data-nosnippet>125</a> </span><span class="kw">let </span>scheme_split: Vec<<span class="kw-2">&</span>str> = address.splitn(<span class="number">2</span>, <span class="string">"://"</span>).collect();
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<a href=#126 id=126 data-nosnippet>126</a> <span class="kw">if </span>scheme_split.len() != <span class="number">2 </span>|| scheme_split[<span class="number">0</span>] != <span class="string">"ucxl" </span>{
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<a href=#127 id=127 data-nosnippet>127</a> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="string">"Address must start with 'ucxl://'"</span>.into());
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<a href=#128 id=128 data-nosnippet>128</a> }
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<a href=#129 id=129 data-nosnippet>129</a> <span class="kw">let </span>remainder = scheme_split[<span class="number">1</span>];
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<a href=#130 id=130 data-nosnippet>130</a> <span class="comment">// Split at the first '@' to separate agent/role from project/task
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<a href=#131 id=131 data-nosnippet>131</a> </span><span class="kw">let </span>parts: Vec<<span class="kw-2">&</span>str> = remainder.splitn(<span class="number">2</span>, <span class="string">'@'</span>).collect();
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<a href=#132 id=132 data-nosnippet>132</a> <span class="kw">if </span>parts.len() != <span class="number">2 </span>{
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<a href=#133 id=133 data-nosnippet>133</a> <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="string">"Missing '@' separating agent and project"</span>.into());
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<a href=#134 id=134 data-nosnippet>134</a> }
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<a href=#135 id=135 data-nosnippet>135</a> <span class="comment">// Agent and optional role
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<a href=#136 id=136 data-nosnippet>136</a> </span><span class="kw">let </span>agent_part = parts[<span class="number">0</span>];
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<a href=#137 id=137 data-nosnippet>137</a> <span class="kw">let </span><span class="kw-2">mut </span>agent_iter = agent_part.splitn(<span class="number">2</span>, <span class="string">':'</span>);
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<a href=#138 id=138 data-nosnippet>138</a> <span class="kw">let </span>agent = agent_iter.next().unwrap().to_string();
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<a href=#139 id=139 data-nosnippet>139</a> <span class="kw">let </span>role = agent_iter.next().map(|s| s.to_string());
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<a href=#140 id=140 data-nosnippet>140</a> <span class="comment">// Project and task
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<a href=#141 id=141 data-nosnippet>141</a> </span><span class="kw">let </span>project_task_part = parts[<span class="number">1</span>];
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<a href=#142 id=142 data-nosnippet>142</a> <span class="comment">// Find the first '/' that starts the temporal segment and path
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<a href=#143 id=143 data-nosnippet>143</a> </span><span class="kw">let </span>slash_idx = project_task_part
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<a href=#144 id=144 data-nosnippet>144</a> .find(<span class="string">'/'</span>)
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<a href=#145 id=145 data-nosnippet>145</a> .ok_or(<span class="string">"Missing '/' before temporal segment and path"</span>)<span class="question-mark">?</span>;
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<a href=#146 id=146 data-nosnippet>146</a> <span class="kw">let </span>(proj_task, after_slash) = project_task_part.split_at(slash_idx);
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<a href=#147 id=147 data-nosnippet>147</a> <span class="kw">let </span><span class="kw-2">mut </span>proj_task_iter = proj_task.splitn(<span class="number">2</span>, <span class="string">':'</span>);
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<a href=#148 id=148 data-nosnippet>148</a> <span class="kw">let </span>project = proj_task_iter.next().ok_or(<span class="string">"Missing project"</span>)<span class="question-mark">?</span>.to_string();
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<a href=#149 id=149 data-nosnippet>149</a> <span class="kw">let </span>task = proj_task_iter.next().ok_or(<span class="string">"Missing task"</span>)<span class="question-mark">?</span>.to_string();
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<a href=#150 id=150 data-nosnippet>150</a> <span class="comment">// after_slash starts with '/', remove it
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<a href=#151 id=151 data-nosnippet>151</a> </span><span class="kw">let </span>after = <span class="kw-2">&</span>after_slash[<span class="number">1</span>..];
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<a href=#152 id=152 data-nosnippet>152</a> <span class="comment">// Temporal segment is up to the next '/' if present
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<a href=#153 id=153 data-nosnippet>153</a> </span><span class="kw">let </span>temporal_end = after
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<a href=#154 id=154 data-nosnippet>154</a> .find(<span class="string">'/'</span>)
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<a href=#155 id=155 data-nosnippet>155</a> .ok_or(<span class="string">"Missing '/' after temporal segment"</span>)<span class="question-mark">?</span>;
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<a href=#156 id=156 data-nosnippet>156</a> <span class="kw">let </span>temporal_str = <span class="kw-2">&</span>after[..temporal_end];
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<a href=#157 id=157 data-nosnippet>157</a> <span class="kw">let </span>temporal = TemporalAxis::from_str(temporal_str)<span class="question-mark">?</span>;
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<a href=#158 id=158 data-nosnippet>158</a> <span class="comment">// The rest is the resource path
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<a href=#159 id=159 data-nosnippet>159</a> </span><span class="kw">let </span>path = after[temporal_end + <span class="number">1</span>..].to_string();
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<a href=#160 id=160 data-nosnippet>160</a> <span class="prelude-val">Ok</span>(UCXLAddress {
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<a href=#161 id=161 data-nosnippet>161</a> agent,
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<a href=#162 id=162 data-nosnippet>162</a> role,
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<a href=#163 id=163 data-nosnippet>163</a> project,
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<a href=#164 id=164 data-nosnippet>164</a> task,
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<a href=#165 id=165 data-nosnippet>165</a> temporal,
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<a href=#166 id=166 data-nosnippet>166</a> path,
|
||||
<a href=#167 id=167 data-nosnippet>167</a> })
|
||||
<a href=#168 id=168 data-nosnippet>168</a> }
|
||||
<a href=#169 id=169 data-nosnippet>169</a>}
|
||||
<a href=#170 id=170 data-nosnippet>170</a>
|
||||
<a href=#171 id=171 data-nosnippet>171</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>UCXLAddress {
|
||||
<a href=#172 id=172 data-nosnippet>172</a> <span class="doccomment">/// Serialises the address back to its canonical string form.
|
||||
<a href=#173 id=173 data-nosnippet>173</a> ///
|
||||
<a href=#174 id=174 data-nosnippet>174</a> /// **What**: Constructs a `ucxl://` URI including optional role and path.
|
||||
<a href=#175 id=175 data-nosnippet>175</a> ///
|
||||
<a href=#176 id=176 data-nosnippet>176</a> /// **How**: Conditionally inserts the role component, then formats the
|
||||
<a href=#177 id=177 data-nosnippet>177</a> /// project, task, temporal token and optional path using standard `write!`
|
||||
<a href=#178 id=178 data-nosnippet>178</a> /// semantics.
|
||||
<a href=#179 id=179 data-nosnippet>179</a> ///
|
||||
<a href=#180 id=180 data-nosnippet>180</a> /// **Why**: Needed when emitting addresses (e.g., logging events or
|
||||
<a href=#181 id=181 data-nosnippet>181</a> /// generating links) so that external tools can consume them.
|
||||
<a href=#182 id=182 data-nosnippet>182</a> </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
|
||||
<a href=#183 id=183 data-nosnippet>183</a> <span class="kw">let </span>role_part = <span class="kw">if let </span><span class="prelude-val">Some</span>(r) = <span class="kw-2">&</span><span class="self">self</span>.role {
|
||||
<a href=#184 id=184 data-nosnippet>184</a> <span class="macro">format!</span>(<span class="string">":{}"</span>, r)
|
||||
<a href=#185 id=185 data-nosnippet>185</a> } <span class="kw">else </span>{
|
||||
<a href=#186 id=186 data-nosnippet>186</a> <span class="string">""</span>.to_string()
|
||||
<a href=#187 id=187 data-nosnippet>187</a> };
|
||||
<a href=#188 id=188 data-nosnippet>188</a> <span class="macro">write!</span>(
|
||||
<a href=#189 id=189 data-nosnippet>189</a> f,
|
||||
<a href=#190 id=190 data-nosnippet>190</a> <span class="string">"ucxl://{}{}@{}:{}/{}{}"</span>,
|
||||
<a href=#191 id=191 data-nosnippet>191</a> <span class="self">self</span>.agent,
|
||||
<a href=#192 id=192 data-nosnippet>192</a> role_part,
|
||||
<a href=#193 id=193 data-nosnippet>193</a> <span class="self">self</span>.project,
|
||||
<a href=#194 id=194 data-nosnippet>194</a> <span class="self">self</span>.task,
|
||||
<a href=#195 id=195 data-nosnippet>195</a> <span class="self">self</span>.temporal,
|
||||
<a href=#196 id=196 data-nosnippet>196</a> <span class="kw">if </span><span class="self">self</span>.path.is_empty() {
|
||||
<a href=#197 id=197 data-nosnippet>197</a> <span class="string">""</span>.to_string()
|
||||
<a href=#198 id=198 data-nosnippet>198</a> } <span class="kw">else </span>{
|
||||
<a href=#199 id=199 data-nosnippet>199</a> <span class="macro">format!</span>(<span class="string">"/{}"</span>, <span class="self">self</span>.path)
|
||||
<a href=#200 id=200 data-nosnippet>200</a> }
|
||||
<a href=#201 id=201 data-nosnippet>201</a> )
|
||||
<a href=#202 id=202 data-nosnippet>202</a> }
|
||||
<a href=#203 id=203 data-nosnippet>203</a>}
|
||||
<a href=#204 id=204 data-nosnippet>204</a>
|
||||
<a href=#205 id=205 data-nosnippet>205</a><span class="doccomment">/// Trait defining a simple key‑value metadata store.
|
||||
<a href=#206 id=206 data-nosnippet>206</a>///
|
||||
<a href=#207 id=207 data-nosnippet>207</a>/// **What**: Provides read, write and removal operations for associating a
|
||||
<a href=#208 id=208 data-nosnippet>208</a>/// string of metadata with a file‑system path.
|
||||
<a href=#209 id=209 data-nosnippet>209</a>///
|
||||
<a href=#210 id=210 data-nosnippet>210</a>/// **How**: The trait abstracts over concrete storage implementations –
|
||||
<a href=#211 id=211 data-nosnippet>211</a>/// currently an in‑memory `HashMap` – allowing callers to depend on the trait
|
||||
<a href=#212 id=212 data-nosnippet>212</a>/// rather than a specific type.
|
||||
<a href=#213 id=213 data-nosnippet>213</a>///
|
||||
<a href=#214 id=214 data-nosnippet>214</a>/// **Why**: CHORUS needs a lightweight way to attach auxiliary information to
|
||||
<a href=#215 id=215 data-nosnippet>215</a>/// files without persisting to a database; the trait makes it easy to swap in a
|
||||
<a href=#216 id=216 data-nosnippet>216</a>/// persistent backend later if required.
|
||||
<a href=#217 id=217 data-nosnippet>217</a></span><span class="kw">pub trait </span>MetadataStore {
|
||||
<a href=#218 id=218 data-nosnippet>218</a> <span class="doccomment">/// Retrieves the metadata for `path` if it exists.
|
||||
<a href=#219 id=219 data-nosnippet>219</a> </span><span class="kw">fn </span>get(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>String>;
|
||||
<a href=#220 id=220 data-nosnippet>220</a> <span class="doccomment">/// Stores `metadata` for `path`, overwriting any existing value.
|
||||
<a href=#221 id=221 data-nosnippet>221</a> </span><span class="kw">fn </span>set(<span class="kw-2">&mut </span><span class="self">self</span>, path: <span class="kw-2">&</span>str, metadata: String);
|
||||
<a href=#222 id=222 data-nosnippet>222</a> <span class="doccomment">/// Removes the metadata entry for `path`, returning the old value if any.
|
||||
<a href=#223 id=223 data-nosnippet>223</a> </span><span class="kw">fn </span>remove(<span class="kw-2">&mut </span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><String> {
|
||||
<a href=#224 id=224 data-nosnippet>224</a> <span class="prelude-val">None
|
||||
<a href=#225 id=225 data-nosnippet>225</a> </span>}
|
||||
<a href=#226 id=226 data-nosnippet>226</a>}
|
||||
<a href=#227 id=227 data-nosnippet>227</a>
|
||||
<a href=#228 id=228 data-nosnippet>228</a><span class="doccomment">/// In‑memory implementation of `MetadataStore` backed by a `HashMap`.
|
||||
<a href=#229 id=229 data-nosnippet>229</a>///
|
||||
<a href=#230 id=230 data-nosnippet>230</a>/// **What**: Holds metadata in a hash map where the key is the file path.
|
||||
<a href=#231 id=231 data-nosnippet>231</a>///
|
||||
<a href=#232 id=232 data-nosnippet>232</a>/// **How**: Provides a `new` constructor and implements the `MetadataStore`
|
||||
<a href=#233 id=233 data-nosnippet>233</a>/// trait methods by delegating to the underlying map.
|
||||
<a href=#234 id=234 data-nosnippet>234</a>///
|
||||
<a href=#235 id=235 data-nosnippet>235</a>/// **Why**: Offers a zero‑cost, dependency‑free store suitable for unit tests
|
||||
<a href=#236 id=236 data-nosnippet>236</a>/// and simple scenarios. It can be replaced with a persistent store without
|
||||
<a href=#237 id=237 data-nosnippet>237</a>/// changing callers.
|
||||
<a href=#238 id=238 data-nosnippet>238</a></span><span class="kw">pub struct </span>InMemoryMetadataStore {
|
||||
<a href=#239 id=239 data-nosnippet>239</a> map: HashMap<String, String>,
|
||||
<a href=#240 id=240 data-nosnippet>240</a>}
|
||||
<a href=#241 id=241 data-nosnippet>241</a>
|
||||
<a href=#242 id=242 data-nosnippet>242</a><span class="kw">impl </span>InMemoryMetadataStore {
|
||||
<a href=#243 id=243 data-nosnippet>243</a> <span class="doccomment">/// Creates a fresh, empty `InMemoryMetadataStore`.
|
||||
<a href=#244 id=244 data-nosnippet>244</a> ///
|
||||
<a href=#245 id=245 data-nosnippet>245</a> /// **What**: Returns a struct with an empty internal map.
|
||||
<a href=#246 id=246 data-nosnippet>246</a> ///
|
||||
<a href=#247 id=247 data-nosnippet>247</a> /// **How**: Calls `HashMap::new`.
|
||||
<a href=#248 id=248 data-nosnippet>248</a> ///
|
||||
<a href=#249 id=249 data-nosnippet>249</a> /// **Why**: Convenience constructor for callers.
|
||||
<a href=#250 id=250 data-nosnippet>250</a> </span><span class="kw">pub fn </span>new() -> <span class="self">Self </span>{
|
||||
<a href=#251 id=251 data-nosnippet>251</a> InMemoryMetadataStore {
|
||||
<a href=#252 id=252 data-nosnippet>252</a> map: HashMap::new(),
|
||||
<a href=#253 id=253 data-nosnippet>253</a> }
|
||||
<a href=#254 id=254 data-nosnippet>254</a> }
|
||||
<a href=#255 id=255 data-nosnippet>255</a>}
|
||||
<a href=#256 id=256 data-nosnippet>256</a>
|
||||
<a href=#257 id=257 data-nosnippet>257</a><span class="kw">impl </span>MetadataStore <span class="kw">for </span>InMemoryMetadataStore {
|
||||
<a href=#258 id=258 data-nosnippet>258</a> <span class="kw">fn </span>get(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>String> {
|
||||
<a href=#259 id=259 data-nosnippet>259</a> <span class="self">self</span>.map.get(path)
|
||||
<a href=#260 id=260 data-nosnippet>260</a> }
|
||||
<a href=#261 id=261 data-nosnippet>261</a> <span class="kw">fn </span>set(<span class="kw-2">&mut </span><span class="self">self</span>, path: <span class="kw-2">&</span>str, metadata: String) {
|
||||
<a href=#262 id=262 data-nosnippet>262</a> <span class="self">self</span>.map.insert(path.to_string(), metadata);
|
||||
<a href=#263 id=263 data-nosnippet>263</a> }
|
||||
<a href=#264 id=264 data-nosnippet>264</a> <span class="kw">fn </span>remove(<span class="kw-2">&mut </span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><String> {
|
||||
<a href=#265 id=265 data-nosnippet>265</a> <span class="self">self</span>.map.remove(path)
|
||||
<a href=#266 id=266 data-nosnippet>266</a> }
|
||||
<a href=#267 id=267 data-nosnippet>267</a>}
|
||||
<a href=#268 id=268 data-nosnippet>268</a>
|
||||
<a href=#269 id=269 data-nosnippet>269</a><span class="attr">#[cfg(test)]
|
||||
<a href=#270 id=270 data-nosnippet>270</a></span><span class="kw">mod </span>tests {
|
||||
<a href=#271 id=271 data-nosnippet>271</a> <span class="kw">use super</span>::<span class="kw-2">*</span>;
|
||||
<a href=#272 id=272 data-nosnippet>272</a>
|
||||
<a href=#273 id=273 data-nosnippet>273</a> <span class="attr">#[test]
|
||||
<a href=#274 id=274 data-nosnippet>274</a> </span><span class="kw">fn </span>test_temporal_from_str() {
|
||||
<a href=#275 id=275 data-nosnippet>275</a> <span class="macro">assert_eq!</span>(TemporalAxis::from_str(<span class="string">"#"</span>).unwrap(), TemporalAxis::Present);
|
||||
<a href=#276 id=276 data-nosnippet>276</a> <span class="macro">assert_eq!</span>(TemporalAxis::from_str(<span class="string">"~~"</span>).unwrap(), TemporalAxis::Past);
|
||||
<a href=#277 id=277 data-nosnippet>277</a> <span class="macro">assert_eq!</span>(TemporalAxis::from_str(<span class="string">"^^"</span>).unwrap(), TemporalAxis::Future);
|
||||
<a href=#278 id=278 data-nosnippet>278</a> }
|
||||
<a href=#279 id=279 data-nosnippet>279</a>
|
||||
<a href=#280 id=280 data-nosnippet>280</a> <span class="attr">#[test]
|
||||
<a href=#281 id=281 data-nosnippet>281</a> </span><span class="kw">fn </span>test_ucxl_address_parsing() {
|
||||
<a href=#282 id=282 data-nosnippet>282</a> <span class="kw">let </span>addr_str = <span class="string">"ucxl://alice:admin@myproj:task1/#/docs/readme.md"</span>;
|
||||
<a href=#283 id=283 data-nosnippet>283</a> <span class="kw">let </span>addr = UCXLAddress::from_str(addr_str).unwrap();
|
||||
<a href=#284 id=284 data-nosnippet>284</a> <span class="macro">assert_eq!</span>(addr.agent, <span class="string">"alice"</span>);
|
||||
<a href=#285 id=285 data-nosnippet>285</a> <span class="macro">assert_eq!</span>(addr.role, <span class="prelude-val">Some</span>(<span class="string">"admin"</span>.to_string()));
|
||||
<a href=#286 id=286 data-nosnippet>286</a> <span class="macro">assert_eq!</span>(addr.project, <span class="string">"myproj"</span>);
|
||||
<a href=#287 id=287 data-nosnippet>287</a> <span class="macro">assert_eq!</span>(addr.task, <span class="string">"task1"</span>);
|
||||
<a href=#288 id=288 data-nosnippet>288</a> <span class="macro">assert_eq!</span>(addr.temporal, TemporalAxis::Present);
|
||||
<a href=#289 id=289 data-nosnippet>289</a> <span class="macro">assert_eq!</span>(addr.path, <span class="string">"docs/readme.md"</span>);
|
||||
<a href=#290 id=290 data-nosnippet>290</a> <span class="macro">assert_eq!</span>(addr.to_string(), addr_str);
|
||||
<a href=#291 id=291 data-nosnippet>291</a> }
|
||||
<a href=#292 id=292 data-nosnippet>292</a>
|
||||
<a href=#293 id=293 data-nosnippet>293</a> <span class="attr">#[test]
|
||||
<a href=#294 id=294 data-nosnippet>294</a> </span><span class="kw">fn </span>test_metadata_store() {
|
||||
<a href=#295 id=295 data-nosnippet>295</a> <span class="kw">let </span><span class="kw-2">mut </span>store = InMemoryMetadataStore::new();
|
||||
<a href=#296 id=296 data-nosnippet>296</a> store.set(<span class="string">"/foo.txt"</span>, <span class="string">"meta"</span>.into());
|
||||
<a href=#297 id=297 data-nosnippet>297</a> <span class="macro">assert_eq!</span>(store.get(<span class="string">"/foo.txt"</span>), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="string">"meta"</span>.to_string()));
|
||||
<a href=#298 id=298 data-nosnippet>298</a> store.remove(<span class="string">"/foo.txt"</span>);
|
||||
<a href=#299 id=299 data-nosnippet>299</a> <span class="macro">assert!</span>(store.get(<span class="string">"/foo.txt"</span>).is_none());
|
||||
<a href=#300 id=300 data-nosnippet>300</a> }
|
||||
<a href=#301 id=301 data-nosnippet>301</a>}</code></pre></div></section></main></body></html>
|
||||
91
target/doc/src/ucxl/watcher.rs.html
Normal file
91
target/doc/src/ucxl/watcher.rs.html
Normal file
@@ -0,0 +1,91 @@
|
||||
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `UCXL/src/watcher.rs`."><title>watcher.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-916cea96.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="ucxl" data-themes="" data-resource-suffix="" data-rustdoc-version="1.87.0 (17067e9ac 2025-05-09)" data-channel="1.87.0" data-search-js="search-e7298875.js" data-settings-js="settings-d72f25bb.js" ><script src="../../static.files/storage-82c7156e.js"></script><script defer src="../../static.files/src-script-63605ae7.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-fb8c74a8.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">ucxl/</div>watcher.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! UCXL filesystem watcher.
|
||||
<a href=#2 id=2 data-nosnippet>2</a>//!
|
||||
<a href=#3 id=3 data-nosnippet>3</a>//! This module provides a thin wrapper around the `notify` crate to watch a
|
||||
<a href=#4 id=4 data-nosnippet>4</a>//! directory (or "project") for filesystem events. When a change is detected,
|
||||
<a href=#5 id=5 data-nosnippet>5</a>//! the watcher attempts to construct a corresponding `UCXLAddress` using a
|
||||
<a href=#6 id=6 data-nosnippet>6</a>//! simple heuristic and logs the event. This is primarily used by CHORUS for
|
||||
<a href=#7 id=7 data-nosnippet>7</a>//! reactive workflows such as automatically updating metadata when files are
|
||||
<a href=#8 id=8 data-nosnippet>8</a>//! added, modified or removed.
|
||||
<a href=#9 id=9 data-nosnippet>9</a>
|
||||
<a href=#10 id=10 data-nosnippet>10</a></span><span class="kw">use </span>notify::{Config, RecommendedWatcher, RecursiveMode, Watcher};
|
||||
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>std::path::Path;
|
||||
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>std::sync::mpsc::channel;
|
||||
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">use </span><span class="kw">crate</span>::UCXLAddress;
|
||||
<a href=#14 id=14 data-nosnippet>14</a><span class="kw">use </span>std::str::FromStr;
|
||||
<a href=#15 id=15 data-nosnippet>15</a>
|
||||
<a href=#16 id=16 data-nosnippet>16</a><span class="doccomment">/// Represents a watcher rooted at a specific base path.
|
||||
<a href=#17 id=17 data-nosnippet>17</a>///
|
||||
<a href=#18 id=18 data-nosnippet>18</a>/// **What**: Holds the absolute path that the watcher monitors.
|
||||
<a href=#19 id=19 data-nosnippet>19</a>///
|
||||
<a href=#20 id=20 data-nosnippet>20</a>/// **How**: The path is stored as a `PathBuf`. The watcher is created via the
|
||||
<a href=#21 id=21 data-nosnippet>21</a>/// `new` constructor which accepts any type that can be referenced as a `Path`.
|
||||
<a href=#22 id=22 data-nosnippet>22</a>/// The underlying `notify::RecommendedWatcher` is configured with the default
|
||||
<a href=#23 id=23 data-nosnippet>23</a>/// `Config` and set to watch recursively.
|
||||
<a href=#24 id=24 data-nosnippet>24</a>///
|
||||
<a href=#25 id=25 data-nosnippet>25</a>/// **Why**: Encapsulating the watcher logic in a dedicated struct makes it easy
|
||||
<a href=#26 id=26 data-nosnippet>26</a>/// to instantiate multiple independent watchers and keeps the public API tidy.
|
||||
<a href=#27 id=27 data-nosnippet>27</a></span><span class="kw">pub struct </span>UCXLWatcher {
|
||||
<a href=#28 id=28 data-nosnippet>28</a> base_path: std::path::PathBuf,
|
||||
<a href=#29 id=29 data-nosnippet>29</a>}
|
||||
<a href=#30 id=30 data-nosnippet>30</a>
|
||||
<a href=#31 id=31 data-nosnippet>31</a><span class="kw">impl </span>UCXLWatcher {
|
||||
<a href=#32 id=32 data-nosnippet>32</a> <span class="doccomment">/// Creates a new `UCXLWatcher` for the given path.
|
||||
<a href=#33 id=33 data-nosnippet>33</a> ///
|
||||
<a href=#34 id=34 data-nosnippet>34</a> /// **What**: Accepts any generic `AsRef<Path>` so callers can pass a `&str`,
|
||||
<a href=#35 id=35 data-nosnippet>35</a> /// `Path`, or `PathBuf`.
|
||||
<a href=#36 id=36 data-nosnippet>36</a> ///
|
||||
<a href=#37 id=37 data-nosnippet>37</a> /// **How**: The provided path is converted to a `PathBuf` and stored.
|
||||
<a href=#38 id=38 data-nosnippet>38</a> ///
|
||||
<a href=#39 id=39 data-nosnippet>39</a> /// **Why**: Convenience constructor used throughout CHORUS when a watcher is
|
||||
<a href=#40 id=40 data-nosnippet>40</a> /// needed for a project directory.
|
||||
<a href=#41 id=41 data-nosnippet>41</a> </span><span class="kw">pub fn </span>new<P: AsRef<Path>>(path: P) -> <span class="self">Self </span>{
|
||||
<a href=#42 id=42 data-nosnippet>42</a> <span class="self">Self </span>{
|
||||
<a href=#43 id=43 data-nosnippet>43</a> base_path: path.as_ref().to_path_buf(),
|
||||
<a href=#44 id=44 data-nosnippet>44</a> }
|
||||
<a href=#45 id=45 data-nosnippet>45</a> }
|
||||
<a href=#46 id=46 data-nosnippet>46</a>
|
||||
<a href=#47 id=47 data-nosnippet>47</a> <span class="doccomment">/// Starts the watch loop, blocking indefinitely while handling events.
|
||||
<a href=#48 id=48 data-nosnippet>48</a> ///
|
||||
<a href=#49 id=49 data-nosnippet>49</a> /// **What**: Sets up a channel, creates a `RecommendedWatcher`, and begins
|
||||
<a href=#50 id=50 data-nosnippet>50</a> /// watching the `base_path` recursively. For each incoming event, it
|
||||
<a href=#51 id=51 data-nosnippet>51</a> /// attempts to map the filesystem path to a UCXL address and prints a log.
|
||||
<a href=#52 id=52 data-nosnippet>52</a> ///
|
||||
<a href=#53 id=53 data-nosnippet>53</a> /// **How**: Uses the `notify` crate's event API. The heuristic address
|
||||
<a href=#54 id=54 data-nosnippet>54</a> /// format is `ucxl://system:watcher@local:filesystem/#/<relative_path>`.
|
||||
<a href=#55 id=55 data-nosnippet>55</a> /// It parses this string with `UCXLAddress::from_str` and logs the result.
|
||||
<a href=#56 id=56 data-nosnippet>56</a> /// Errors from parsing are ignored (they simply aren't printed).
|
||||
<a href=#57 id=57 data-nosnippet>57</a> ///
|
||||
<a href=#58 id=58 data-nosnippet>58</a> /// **Why**: Provides a simple, observable bridge between raw filesystem
|
||||
<a href=#59 id=59 data-nosnippet>59</a> /// changes and the UCXL addressing scheme, allowing other components to react
|
||||
<a href=#60 id=60 data-nosnippet>60</a> /// to changes using a uniform identifier.
|
||||
<a href=#61 id=61 data-nosnippet>61</a> </span><span class="kw">pub fn </span>watch_loop(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Box<<span class="kw">dyn </span>std::error::Error>> {
|
||||
<a href=#62 id=62 data-nosnippet>62</a> <span class="kw">let </span>(tx, rx) = channel();
|
||||
<a href=#63 id=63 data-nosnippet>63</a>
|
||||
<a href=#64 id=64 data-nosnippet>64</a> <span class="kw">let </span><span class="kw-2">mut </span>watcher = RecommendedWatcher::new(tx, Config::default())<span class="question-mark">?</span>;
|
||||
<a href=#65 id=65 data-nosnippet>65</a> watcher.watch(<span class="kw-2">&</span><span class="self">self</span>.base_path, RecursiveMode::Recursive)<span class="question-mark">?</span>;
|
||||
<a href=#66 id=66 data-nosnippet>66</a>
|
||||
<a href=#67 id=67 data-nosnippet>67</a> <span class="macro">println!</span>(<span class="string">"UCXL Watcher started on {:?}"</span>, <span class="self">self</span>.base_path);
|
||||
<a href=#68 id=68 data-nosnippet>68</a>
|
||||
<a href=#69 id=69 data-nosnippet>69</a> <span class="kw">for </span>res <span class="kw">in </span>rx {
|
||||
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">match </span>res {
|
||||
<a href=#71 id=71 data-nosnippet>71</a> <span class="prelude-val">Ok</span>(event) => {
|
||||
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">for </span>path <span class="kw">in </span>event.paths {
|
||||
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(rel_path) = path.strip_prefix(<span class="kw-2">&</span><span class="self">self</span>.base_path).ok() {
|
||||
<a href=#74 id=74 data-nosnippet>74</a> <span class="kw">let </span>rel_str = rel_path.to_string_lossy();
|
||||
<a href=#75 id=75 data-nosnippet>75</a> <span class="comment">// Heuristic address mapping: ucxl://system:watcher@local:filesystem/#/path
|
||||
<a href=#76 id=76 data-nosnippet>76</a> </span><span class="kw">let </span>addr_str = <span class="macro">format!</span>(
|
||||
<a href=#77 id=77 data-nosnippet>77</a> <span class="string">"ucxl://system:watcher@local:filesystem/#/{}"</span>,
|
||||
<a href=#78 id=78 data-nosnippet>78</a> rel_str
|
||||
<a href=#79 id=79 data-nosnippet>79</a> );
|
||||
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(addr) = UCXLAddress::from_str(<span class="kw-2">&</span>addr_str) {
|
||||
<a href=#81 id=81 data-nosnippet>81</a> <span class="macro">println!</span>(<span class="string">"[UCXL EVENT] {:?} -> {}"</span>, event.kind, addr);
|
||||
<a href=#82 id=82 data-nosnippet>82</a> }
|
||||
<a href=#83 id=83 data-nosnippet>83</a> }
|
||||
<a href=#84 id=84 data-nosnippet>84</a> }
|
||||
<a href=#85 id=85 data-nosnippet>85</a> }
|
||||
<a href=#86 id=86 data-nosnippet>86</a> <span class="prelude-val">Err</span>(e) => <span class="macro">println!</span>(<span class="string">"watch error: {:?}"</span>, e),
|
||||
<a href=#87 id=87 data-nosnippet>87</a> }
|
||||
<a href=#88 id=88 data-nosnippet>88</a> }
|
||||
<a href=#89 id=89 data-nosnippet>89</a> <span class="prelude-val">Ok</span>(())
|
||||
<a href=#90 id=90 data-nosnippet>90</a> }
|
||||
<a href=#91 id=91 data-nosnippet>91</a>}</code></pre></div></section></main></body></html>
|
||||
Reference in New Issue
Block a user