<!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 `src\common\json.rs`."><title>json.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"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><script id="default-settings"
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<a href=#2 id=2 data-nosnippet>2</a>///
<a href=#3 id=3 data-nosnippet>3</a>/// This module provides comprehensive JSON parsing, serialization,
<a href=#4 id=4 data-nosnippet>4</a>/// validation, and manipulation utilities with error handling.
<a href=#5 id=5 data-nosnippet>5</a></span><span class="comment">// External crate imports
<a href=#6 id=6 data-nosnippet>6</a></span><span class="kw">use </span>serde::{Deserialize, Serialize};
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">use </span>serde_json;
<a href=#8 id=8 data-nosnippet>8</a>
<a href=#9 id=9 data-nosnippet>9</a><span class="doccomment">/// JSON utilities with error handling
<a href=#10 id=10 data-nosnippet>10</a>///
<a href=#11 id=11 data-nosnippet>11</a>/// # Errors
<a href=#12 id=12 data-nosnippet>12</a>///
<a href=#13 id=13 data-nosnippet>13</a>/// Returns a `serde_json::Error` if parsing fails.
<a href=#14 id=14 data-nosnippet>14</a></span><span class="kw">pub fn </span>parse_json_value<T: <span class="kw">for</span><<span class="lifetime">'de</span>> Deserialize<<span class="lifetime">'de</span>>>(json: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><T, serde_json::Error> {
<a href=#15 id=15 data-nosnippet>15</a> serde_json::from_str(json)
<a href=#16 id=16 data-nosnippet>16</a>}
<a href=#17 id=17 data-nosnippet>17</a>
<a href=#18 id=18 data-nosnippet>18</a><span class="doccomment">/// Serialize a value to JSON string
<a href=#19 id=19 data-nosnippet>19</a>///
<a href=#20 id=20 data-nosnippet>20</a>/// # Errors
<a href=#21 id=21 data-nosnippet>21</a>///
<a href=#22 id=22 data-nosnippet>22</a>/// Returns a `serde_json::Error` if serialization fails.
<a href=#23 id=23 data-nosnippet>23</a></span><span class="kw">pub fn </span>to_json_value<T: Serialize>(value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><String, serde_json::Error> {
<a href=#24 id=24 data-nosnippet>24</a> serde_json::to_string(value)
<a href=#25 id=25 data-nosnippet>25</a>}
<a href=#26 id=26 data-nosnippet>26</a>
<a href=#27 id=27 data-nosnippet>27</a><span class="doccomment">/// Serialize a value to pretty-printed JSON string
<a href=#28 id=28 data-nosnippet>28</a>///
<a href=#29 id=29 data-nosnippet>29</a>/// # Errors
<a href=#30 id=30 data-nosnippet>30</a>///
<a href=#31 id=31 data-nosnippet>31</a>/// Returns a `serde_json::Error` if serialization fails.
<a href=#32 id=32 data-nosnippet>32</a></span><span class="kw">pub fn </span>pretty_json_value<T: Serialize>(value: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Result</span><String, serde_json::Error> {
<a href=#33 id=33 data-nosnippet>33</a> serde_json::to_string_pretty(value)
<a href=#34 id=34 data-nosnippet>34</a>}
<a href=#35 id=35 data-nosnippet>35</a>
<a href=#36 id=36 data-nosnippet>36</a><span class="doccomment">/// Validate JSON structure
<a href=#37 id=37 data-nosnippet>37</a></span><span class="attr">#[must_use]
<a href=#38 id=38 data-nosnippet>38</a></span><span class="kw">pub fn </span>validate_json(json: <span class="kw-2">&</span>str) -> bool {
<a href=#39 id=39 data-nosnippet>39</a> serde_json::from_str::<serde_json::Value>(json).is_ok()
<a href=#40 id=40 data-nosnippet>40</a>}
<a href=#41 id=41 data-nosnippet>41</a>
<a href=#42 id=42 data-nosnippet>42</a><span class="doccomment">/// Merge two JSON objects
<a href=#43 id=43 data-nosnippet>43</a>///
<a href=#44 id=44 data-nosnippet>44</a>/// # Errors
<a href=#45 id=45 data-nosnippet>45</a>///
<a href=#46 id=46 data-nosnippet>46</a>/// Returns a `serde_json::Error` if parsing or serialization fails.
<a href=#47 id=47 data-nosnippet>47</a></span><span class="kw">pub fn </span>merge_json(a: <span class="kw-2">&</span>str, b: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><String, serde_json::Error> {
<a href=#48 id=48 data-nosnippet>48</a> <span class="kw">let </span><span class="kw-2">mut </span>a_val: serde_json::Value = serde_json::from_str(a)<span class="question-mark">?</span>;
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">let </span>b_val: serde_json::Value = serde_json::from_str(b)<span class="question-mark">?</span>;
<a href=#50 id=50 data-nosnippet>50</a>
<a href=#51 id=51 data-nosnippet>51</a> <span class="kw">if let </span>(<span class="prelude-val">Some</span>(a_obj), <span class="prelude-val">Some</span>(b_obj)) = (a_val.as_object_mut(), b_val.as_object()) {
<a href=#52 id=52 data-nosnippet>52</a> <span class="kw">for </span>(k, v) <span class="kw">in </span>b_obj {
<a href=#53 id=53 data-nosnippet>53</a> a_obj.insert(k.clone(), v.clone());
<a href=#54 id=54 data-nosnippet>54</a> }
<a href=#55 id=55 data-nosnippet>55</a> }
<a href=#56 id=56 data-nosnippet>56</a>
<a href=#57 id=57 data-nosnippet>57</a> serde_json::to_string(<span class="kw-2">&</span>a_val)
<a href=#58 id=58 data-nosnippet>58</a>}
<a href=#59 id=59 data-nosnippet>59</a>
<a href=#60 id=60 data-nosnippet>60</a><span class="doccomment">/// Extract values from JSON by path
<a href=#61 id=61 data-nosnippet>61</a>///
<a href=#62 id=62 data-nosnippet>62</a>/// # Errors
<a href=#63 id=63 data-nosnippet>63</a>///
<a href=#64 id=64 data-nosnippet>64</a>/// Returns an error if the JSON is invalid, the path is not found, or traversal fails.
<a href=#65 id=65 data-nosnippet>65</a></span><span class="kw">pub fn </span>extract_json_path(
<a href=#66 id=66 data-nosnippet>66</a> json: <span class="kw-2">&</span>str,
<a href=#67 id=67 data-nosnippet>67</a> path: <span class="kw-2">&</span>str,
<a href=#68 id=68 data-nosnippet>68</a>) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><serde_json::Value>, Box<<span class="kw">dyn </span>std::error::Error>> {
<a href=#69 id=69 data-nosnippet>69</a> <span class="kw">let </span>value: serde_json::Value = serde_json::from_str(json)<span class="question-mark">?</span>;
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">let </span><span class="kw-2">mut </span>current = <span class="kw-2">&</span>value;
<a href=#71 id=71 data-nosnippet>71</a>
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">for </span>segment <span class="kw">in </span>path.split(<span class="string">'.'</span>) {
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">match </span>current {
<a href=#74 id=74 data-nosnippet>74</a> serde_json::Value::Object(obj) => {
<a href=#75 id=75 data-nosnippet>75</a> current = obj.get(segment).ok_or_else(|| {
<a href=#76 id=76 data-nosnippet>76</a> std::io::Error::new(
<a href=#77 id=77 data-nosnippet>77</a> std::io::ErrorKind::NotFound,
<a href=#78 id=78 data-nosnippet>78</a> <span class="macro">format!</span>(<span class="string">"Path segment '{segment}' not found"</span>),
<a href=#79 id=79 data-nosnippet>79</a> )
<a href=#80 id=80 data-nosnippet>80</a> })<span class="question-mark">?</span>;
<a href=#81 id=81 data-nosnippet>81</a> }
<a href=#82 id=82 data-nosnippet>82</a> <span class="kw">_ </span>=> {
<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">return </span><span class="prelude-val">Err</span>(Box::new(std::io::Error::new(
<a href=#84 id=84 data-nosnippet>84</a> std::io::ErrorKind::InvalidData,
<a href=#85 id=85 data-nosnippet>85</a> <span class="string">"Cannot traverse into non-object"</span>,
<a href=#86 id=86 data-nosnippet>86</a> )));
<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> }
<a href=#90 id=90 data-nosnippet>90</a>
<a href=#91 id=91 data-nosnippet>91</a> <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(current.clone()))
<a href=#92 id=92 data-nosnippet>92</a>}</code></pre></div></section></main></body></html>