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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 file system operations with parallel processing,
<a href=#4 id=4 data-nosnippet>4</a>//! serialization support, and async I/O capabilities.
<a href=#5 id=5 data-nosnippet>5</a>//!
<a href=#6 id=6 data-nosnippet>6</a>//! ## Overview
<a href=#7 id=7 data-nosnippet>7</a>//!
<a href=#8 id=8 data-nosnippet>8</a>//! The `path` module offers:
<a href=#9 id=9 data-nosnippet>9</a>//! - **Path Manipulation**: Normalization, joining, extension extraction
<a href=#10 id=10 data-nosnippet>10</a>//! - **File Metadata**: Size, modification time, type checking
<a href=#11 id=11 data-nosnippet>11</a>//! - **Parallel Operations**: Batch metadata retrieval and file searching
<a href=#12 id=12 data-nosnippet>12</a>//! - **Serialization**: JSON serialization for file information
<a href=#13 id=13 data-nosnippet>13</a>//! - **Async I/O**: Non-blocking file operations
<a href=#14 id=14 data-nosnippet>14</a>//! - **Recursive Operations**: Directory traversal and file discovery
<a href=#15 id=15 data-nosnippet>15</a>//!
<a href=#16 id=16 data-nosnippet>16</a>//! ## Usage Patterns
<a href=#17 id=17 data-nosnippet>17</a>//!
<a href=#18 id=18 data-nosnippet>18</a>//! ### Basic Path Operations
<a href=#19 id=19 data-nosnippet>19</a>//! ```rust
<a href=#20 id=20 data-nosnippet>20</a>//! use trash_analyzer::sys::path::*;
<a href=#21 id=21 data-nosnippet>21</a>//!
<a href=#22 id=22 data-nosnippet>22</a>//! let normalized = normalize_path("./foo/../bar");
<a href=#23 id=23 data-nosnippet>23</a>//! let joined = join_paths("home", &["user", "docs"]);
<a href=#24 id=24 data-nosnippet>24</a>//! let ext = get_file_extension("file.txt");
<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>//! ### File Metadata
<a href=#28 id=28 data-nosnippet>28</a>//! ```rust,no_run
<a href=#29 id=29 data-nosnippet>29</a>//! use trash_analyzer::sys::path::*;
<a href=#30 id=30 data-nosnippet>30</a>//!
<a href=#31 id=31 data-nosnippet>31</a>//! let size = get_file_size("file.txt").unwrap();
<a href=#32 id=32 data-nosnippet>32</a>//! let modified = get_file_modified_time("file.txt").unwrap();
<a href=#33 id=33 data-nosnippet>33</a>//! let is_file = is_file("file.txt");
<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><span class="kw">use </span><span class="kw">crate</span>::parallel;
<a href=#37 id=37 data-nosnippet>37</a><span class="kw">use </span><span class="kw">crate</span>::serde;
<a href=#38 id=38 data-nosnippet>38</a><span class="kw">use </span>::serde::Serialize;
<a href=#39 id=39 data-nosnippet>39</a><span class="kw">use </span>serde_json::Value;
<a href=#40 id=40 data-nosnippet>40</a><span class="kw">use </span>std::collections::HashMap;
<a href=#41 id=41 data-nosnippet>41</a><span class="kw">use </span>std::path::Path;
<a href=#42 id=42 data-nosnippet>42</a><span class="kw">use </span>tempfile::NamedTempFile;
<a href=#43 id=43 data-nosnippet>43</a>
<a href=#44 id=44 data-nosnippet>44</a><span class="doccomment">/// Normalizes a file path, resolving `.` and `..` components.
<a href=#45 id=45 data-nosnippet>45</a>///
<a href=#46 id=46 data-nosnippet>46</a>/// # Parameters
<a href=#47 id=47 data-nosnippet>47</a>/// - `path`: The path to normalize.
<a href=#48 id=48 data-nosnippet>48</a>///
<a href=#49 id=49 data-nosnippet>49</a>/// # Returns
<a href=#50 id=50 data-nosnippet>50</a>/// A normalized path as a `String`.
<a href=#51 id=51 data-nosnippet>51</a>///
<a href=#52 id=52 data-nosnippet>52</a>/// # Examples
<a href=#53 id=53 data-nosnippet>53</a>/// ```rust
<a href=#54 id=54 data-nosnippet>54</a>/// use trash_analyzer::sys::path::normalize_path;
<a href=#55 id=55 data-nosnippet>55</a>///
<a href=#56 id=56 data-nosnippet>56</a>/// let normalized = normalize_path("./foo/../bar");
<a href=#57 id=57 data-nosnippet>57</a>/// assert_eq!(normalized, "bar");
<a href=#58 id=58 data-nosnippet>58</a>/// ```
<a href=#59 id=59 data-nosnippet>59</a></span><span class="attr">#[must_use]
<a href=#60 id=60 data-nosnippet>60</a></span><span class="kw">pub fn </span>normalize_path(path: <span class="kw-2">&</span>str) -> String {
<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">let </span>path = Path::new(path);
<a href=#62 id=62 data-nosnippet>62</a> path.components()
<a href=#63 id=63 data-nosnippet>63</a> .fold(std::path::PathBuf::new(), |<span class="kw-2">mut </span>acc, comp| {
<a href=#64 id=64 data-nosnippet>64</a> <span class="kw">match </span>comp {
<a href=#65 id=65 data-nosnippet>65</a> std::path::Component::Normal(s) => acc.push(s),
<a href=#66 id=66 data-nosnippet>66</a> std::path::Component::ParentDir => {
<a href=#67 id=67 data-nosnippet>67</a> acc.pop();
<a href=#68 id=68 data-nosnippet>68</a> }
<a href=#69 id=69 data-nosnippet>69</a> std::path::Component::CurDir => {}
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">_ </span>=> acc.push(comp.as_os_str()),
<a href=#71 id=71 data-nosnippet>71</a> }
<a href=#72 id=72 data-nosnippet>72</a> acc
<a href=#73 id=73 data-nosnippet>73</a> })
<a href=#74 id=74 data-nosnippet>74</a> .to_string_lossy()
<a href=#75 id=75 data-nosnippet>75</a> .to_string()
<a href=#76 id=76 data-nosnippet>76</a>}
<a href=#77 id=77 data-nosnippet>77</a>
<a href=#78 id=78 data-nosnippet>78</a><span class="doccomment">/// Joins multiple path components into a single path.
<a href=#79 id=79 data-nosnippet>79</a>///
<a href=#80 id=80 data-nosnippet>80</a>/// # Parameters
<a href=#81 id=81 data-nosnippet>81</a>/// - `base`: The base path.
<a href=#82 id=82 data-nosnippet>82</a>/// - `components`: Additional path components to join.
<a href=#83 id=83 data-nosnippet>83</a>///
<a href=#84 id=84 data-nosnippet>84</a>/// # Returns
<a href=#85 id=85 data-nosnippet>85</a>/// The joined path as a `String`.
<a href=#86 id=86 data-nosnippet>86</a>///
<a href=#87 id=87 data-nosnippet>87</a>/// # Examples
<a href=#88 id=88 data-nosnippet>88</a>/// ```rust
<a href=#89 id=89 data-nosnippet>89</a>/// use trash_analyzer::sys::path::join_paths;
<a href=#90 id=90 data-nosnippet>90</a>///
<a href=#91 id=91 data-nosnippet>91</a>/// let path = join_paths("home", &["user", "docs", "file.txt"]);
<a href=#92 id=92 data-nosnippet>92</a>/// // On Unix: "home/user/docs/file.txt"
<a href=#93 id=93 data-nosnippet>93</a>/// ```
<a href=#94 id=94 data-nosnippet>94</a></span><span class="attr">#[must_use]
<a href=#95 id=95 data-nosnippet>95</a></span><span class="kw">pub fn </span>join_paths(base: <span class="kw-2">&</span>str, components: <span class="kw-2">&</span>[<span class="kw-2">&</span>str]) -> String {
<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">let </span><span class="kw-2">mut </span>path = std::path::PathBuf::from(base);
<a href=#97 id=97 data-nosnippet>97</a> <span class="kw">for </span>comp <span class="kw">in </span>components {
<a href=#98 id=98 data-nosnippet>98</a> path.push(comp);
<a href=#99 id=99 data-nosnippet>99</a> }
<a href=#100 id=100 data-nosnippet>100</a> path.to_string_lossy().to_string()
<a href=#101 id=101 data-nosnippet>101</a>}
<a href=#102 id=102 data-nosnippet>102</a>
<a href=#103 id=103 data-nosnippet>103</a><span class="doccomment">/// Gets the file extension from a path.
<a href=#104 id=104 data-nosnippet>104</a>///
<a href=#105 id=105 data-nosnippet>105</a>/// # Parameters
<a href=#106 id=106 data-nosnippet>106</a>/// - `path`: The file path.
<a href=#107 id=107 data-nosnippet>107</a>///
<a href=#108 id=108 data-nosnippet>108</a>/// # Returns
<a href=#109 id=109 data-nosnippet>109</a>/// - `Some(String)` containing the extension if present.
<a href=#110 id=110 data-nosnippet>110</a>/// - `None` if no extension.
<a href=#111 id=111 data-nosnippet>111</a>///
<a href=#112 id=112 data-nosnippet>112</a>/// # Examples
<a href=#113 id=113 data-nosnippet>113</a>/// ```rust
<a href=#114 id=114 data-nosnippet>114</a>/// use trash_analyzer::sys::path::get_file_extension;
<a href=#115 id=115 data-nosnippet>115</a>///
<a href=#116 id=116 data-nosnippet>116</a>/// assert_eq!(get_file_extension("file.txt"), Some("txt".to_string()));
<a href=#117 id=117 data-nosnippet>117</a>/// assert_eq!(get_file_extension("file"), None);
<a href=#118 id=118 data-nosnippet>118</a>/// ```
<a href=#119 id=119 data-nosnippet>119</a></span><span class="attr">#[must_use]
<a href=#120 id=120 data-nosnippet>120</a></span><span class="kw">pub fn </span>get_file_extension(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><String> {
<a href=#121 id=121 data-nosnippet>121</a> Path::new(path)
<a href=#122 id=122 data-nosnippet>122</a> .extension()
<a href=#123 id=123 data-nosnippet>123</a> .and_then(|s| s.to_str())
<a href=#124 id=124 data-nosnippet>124</a> .map(std::string::ToString::to_string)
<a href=#125 id=125 data-nosnippet>125</a>}
<a href=#126 id=126 data-nosnippet>126</a>
<a href=#127 id=127 data-nosnippet>127</a><span class="doccomment">/// Gets the file name without extension.
<a href=#128 id=128 data-nosnippet>128</a>///
<a href=#129 id=129 data-nosnippet>129</a>/// # Parameters
<a href=#130 id=130 data-nosnippet>130</a>/// - `path`: The file path.
<a href=#131 id=131 data-nosnippet>131</a>///
<a href=#132 id=132 data-nosnippet>132</a>/// # Returns
<a href=#133 id=133 data-nosnippet>133</a>/// - `Some(String)` containing the file name without extension.
<a href=#134 id=134 data-nosnippet>134</a>/// - `None` if the path has no file name.
<a href=#135 id=135 data-nosnippet>135</a>///
<a href=#136 id=136 data-nosnippet>136</a>/// # Examples
<a href=#137 id=137 data-nosnippet>137</a>/// ```rust
<a href=#138 id=138 data-nosnippet>138</a>/// use trash_analyzer::sys::path::get_file_stem;
<a href=#139 id=139 data-nosnippet>139</a>///
<a href=#140 id=140 data-nosnippet>140</a>/// assert_eq!(get_file_stem("file.txt"), Some("file".to_string()));
<a href=#141 id=141 data-nosnippet>141</a>/// assert_eq!(get_file_stem("dir/"), None);
<a href=#142 id=142 data-nosnippet>142</a>/// ```
<a href=#143 id=143 data-nosnippet>143</a></span><span class="attr">#[must_use]
<a href=#144 id=144 data-nosnippet>144</a></span><span class="kw">pub fn </span>get_file_stem(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Option</span><String> {
<a href=#145 id=145 data-nosnippet>145</a> Path::new(path)
<a href=#146 id=146 data-nosnippet>146</a> .file_stem()
<a href=#147 id=147 data-nosnippet>147</a> .and_then(|s| s.to_str())
<a href=#148 id=148 data-nosnippet>148</a> .map(std::string::ToString::to_string)
<a href=#149 id=149 data-nosnippet>149</a>}
<a href=#150 id=150 data-nosnippet>150</a>
<a href=#151 id=151 data-nosnippet>151</a><span class="doccomment">/// Gets file metadata synchronously.
<a href=#152 id=152 data-nosnippet>152</a>///
<a href=#153 id=153 data-nosnippet>153</a>/// # Parameters
<a href=#154 id=154 data-nosnippet>154</a>/// - `path`: The file path.
<a href=#155 id=155 data-nosnippet>155</a>///
<a href=#156 id=156 data-nosnippet>156</a>/// # Returns
<a href=#157 id=157 data-nosnippet>157</a>/// - `Ok(std::fs::Metadata)` containing file metadata.
<a href=#158 id=158 data-nosnippet>158</a>/// - `Err(std::io::Error)` if metadata cannot be read.
<a href=#159 id=159 data-nosnippet>159</a>///
<a href=#160 id=160 data-nosnippet>160</a>/// # Errors
<a href=#161 id=161 data-nosnippet>161</a>/// Returns an `std::io::Error` if the file does not exist, permission is denied, or other I/O error occurs.
<a href=#162 id=162 data-nosnippet>162</a>///
<a href=#163 id=163 data-nosnippet>163</a>/// # Examples
<a href=#164 id=164 data-nosnippet>164</a>/// ```rust,no_run
<a href=#165 id=165 data-nosnippet>165</a>/// use trash_analyzer::sys::path::get_file_metadata;
<a href=#166 id=166 data-nosnippet>166</a>///
<a href=#167 id=167 data-nosnippet>167</a>/// let metadata = get_file_metadata("file.txt").unwrap();
<a href=#168 id=168 data-nosnippet>168</a>/// println!("File size: {}", metadata.len());
<a href=#169 id=169 data-nosnippet>169</a>/// ```
<a href=#170 id=170 data-nosnippet>170</a></span><span class="kw">pub fn </span>get_file_metadata(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><std::fs::Metadata, std::io::Error> {
<a href=#171 id=171 data-nosnippet>171</a> std::fs::metadata(path)
<a href=#172 id=172 data-nosnippet>172</a>}
<a href=#173 id=173 data-nosnippet>173</a>
<a href=#174 id=174 data-nosnippet>174</a><span class="doccomment">/// Gets file size.
<a href=#175 id=175 data-nosnippet>175</a>///
<a href=#176 id=176 data-nosnippet>176</a>/// # Parameters
<a href=#177 id=177 data-nosnippet>177</a>/// - `path`: The file path.
<a href=#178 id=178 data-nosnippet>178</a>///
<a href=#179 id=179 data-nosnippet>179</a>/// # Returns
<a href=#180 id=180 data-nosnippet>180</a>/// - `Ok(u64)` containing the file size in bytes.
<a href=#181 id=181 data-nosnippet>181</a>/// - `Err(std::io::Error)` if the file cannot be accessed.
<a href=#182 id=182 data-nosnippet>182</a>///
<a href=#183 id=183 data-nosnippet>183</a>/// # Errors
<a href=#184 id=184 data-nosnippet>184</a>/// Returns an `std::io::Error` if the file cannot be accessed or metadata cannot be read.
<a href=#185 id=185 data-nosnippet>185</a>///
<a href=#186 id=186 data-nosnippet>186</a>/// # Examples
<a href=#187 id=187 data-nosnippet>187</a>/// ```rust,no_run
<a href=#188 id=188 data-nosnippet>188</a>/// use trash_analyzer::sys::path::get_file_size;
<a href=#189 id=189 data-nosnippet>189</a>///
<a href=#190 id=190 data-nosnippet>190</a>/// let size = get_file_size("file.txt").unwrap();
<a href=#191 id=191 data-nosnippet>191</a>/// println!("File size: {} bytes", size);
<a href=#192 id=192 data-nosnippet>192</a>/// ```
<a href=#193 id=193 data-nosnippet>193</a></span><span class="kw">pub fn </span>get_file_size(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><u64, std::io::Error> {
<a href=#194 id=194 data-nosnippet>194</a> <span class="prelude-val">Ok</span>(get_file_metadata(path)<span class="question-mark">?</span>.len())
<a href=#195 id=195 data-nosnippet>195</a>}
<a href=#196 id=196 data-nosnippet>196</a>
<a href=#197 id=197 data-nosnippet>197</a><span class="doccomment">/// Checks if a path exists and is a file.
<a href=#198 id=198 data-nosnippet>198</a>///
<a href=#199 id=199 data-nosnippet>199</a>/// # Parameters
<a href=#200 id=200 data-nosnippet>200</a>/// - `path`: The path to check.
<a href=#201 id=201 data-nosnippet>201</a>///
<a href=#202 id=202 data-nosnippet>202</a>/// # Returns
<a href=#203 id=203 data-nosnippet>203</a>/// `true` if the path exists and is a file, `false` otherwise.
<a href=#204 id=204 data-nosnippet>204</a>///
<a href=#205 id=205 data-nosnippet>205</a>/// # Examples
<a href=#206 id=206 data-nosnippet>206</a>/// ```rust
<a href=#207 id=207 data-nosnippet>207</a>/// use trash_analyzer::sys::path::is_file;
<a href=#208 id=208 data-nosnippet>208</a>///
<a href=#209 id=209 data-nosnippet>209</a>/// assert!(is_file("Cargo.toml"));
<a href=#210 id=210 data-nosnippet>210</a>/// assert!(!is_file("nonexistent.txt"));
<a href=#211 id=211 data-nosnippet>211</a>/// ```
<a href=#212 id=212 data-nosnippet>212</a></span><span class="attr">#[must_use]
<a href=#213 id=213 data-nosnippet>213</a></span><span class="kw">pub fn </span>is_file(path: <span class="kw-2">&</span>str) -> bool {
<a href=#214 id=214 data-nosnippet>214</a> Path::new(path).is_file()
<a href=#215 id=215 data-nosnippet>215</a>}
<a href=#216 id=216 data-nosnippet>216</a>
<a href=#217 id=217 data-nosnippet>217</a><span class="doccomment">/// Checks if a path exists and is a directory.
<a href=#218 id=218 data-nosnippet>218</a>///
<a href=#219 id=219 data-nosnippet>219</a>/// # Parameters
<a href=#220 id=220 data-nosnippet>220</a>/// - `path`: The path to check.
<a href=#221 id=221 data-nosnippet>221</a>///
<a href=#222 id=222 data-nosnippet>222</a>/// # Returns
<a href=#223 id=223 data-nosnippet>223</a>/// `true` if the path exists and is a directory, `false` otherwise.
<a href=#224 id=224 data-nosnippet>224</a>///
<a href=#225 id=225 data-nosnippet>225</a>/// # Examples
<a href=#226 id=226 data-nosnippet>226</a>/// ```rust
<a href=#227 id=227 data-nosnippet>227</a>/// use trash_analyzer::sys::path::is_directory;
<a href=#228 id=228 data-nosnippet>228</a>///
<a href=#229 id=229 data-nosnippet>229</a>/// assert!(is_directory("src"));
<a href=#230 id=230 data-nosnippet>230</a>/// assert!(!is_directory("Cargo.toml"));
<a href=#231 id=231 data-nosnippet>231</a>/// ```
<a href=#232 id=232 data-nosnippet>232</a></span><span class="attr">#[must_use]
<a href=#233 id=233 data-nosnippet>233</a></span><span class="kw">pub fn </span>is_directory(path: <span class="kw-2">&</span>str) -> bool {
<a href=#234 id=234 data-nosnippet>234</a> Path::new(path).is_dir()
<a href=#235 id=235 data-nosnippet>235</a>}
<a href=#236 id=236 data-nosnippet>236</a>
<a href=#237 id=237 data-nosnippet>237</a><span class="doccomment">/// Gets the last modified time of a file.
<a href=#238 id=238 data-nosnippet>238</a>///
<a href=#239 id=239 data-nosnippet>239</a>/// # Parameters
<a href=#240 id=240 data-nosnippet>240</a>/// - `path`: The file path.
<a href=#241 id=241 data-nosnippet>241</a>///
<a href=#242 id=242 data-nosnippet>242</a>/// # Returns
<a href=#243 id=243 data-nosnippet>243</a>/// - `Ok(SystemTime)` representing the last modified time.
<a href=#244 id=244 data-nosnippet>244</a>/// - `Err(std::io::Error)` if the time cannot be retrieved.
<a href=#245 id=245 data-nosnippet>245</a>///
<a href=#246 id=246 data-nosnippet>246</a>/// # Errors
<a href=#247 id=247 data-nosnippet>247</a>/// Returns an `std::io::Error` if the file does not exist or metadata cannot be read.
<a href=#248 id=248 data-nosnippet>248</a>///
<a href=#249 id=249 data-nosnippet>249</a>/// # Examples
<a href=#250 id=250 data-nosnippet>250</a>/// ```rust,no_run
<a href=#251 id=251 data-nosnippet>251</a>/// use trash_analyzer::sys::path::get_file_modified_time;
<a href=#252 id=252 data-nosnippet>252</a>/// use std::time::SystemTime;
<a href=#253 id=253 data-nosnippet>253</a>///
<a href=#254 id=254 data-nosnippet>254</a>/// let modified = get_file_modified_time("file.txt").unwrap();
<a href=#255 id=255 data-nosnippet>255</a>/// println!("Last modified: {:?}", modified);
<a href=#256 id=256 data-nosnippet>256</a>/// ```
<a href=#257 id=257 data-nosnippet>257</a></span><span class="kw">pub fn </span>get_file_modified_time(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><std::time::SystemTime, std::io::Error> {
<a href=#258 id=258 data-nosnippet>258</a> get_file_metadata(path)<span class="question-mark">?</span>.modified()
<a href=#259 id=259 data-nosnippet>259</a>}
<a href=#260 id=260 data-nosnippet>260</a>
<a href=#261 id=261 data-nosnippet>261</a><span class="doccomment">/// Creates a new temporary file.
<a href=#262 id=262 data-nosnippet>262</a>///
<a href=#263 id=263 data-nosnippet>263</a>/// The file is created in the system's temporary directory and will be
<a href=#264 id=264 data-nosnippet>264</a>/// automatically deleted when the `NamedTempFile` is dropped, unless
<a href=#265 id=265 data-nosnippet>265</a>/// `keep()` is called on it.
<a href=#266 id=266 data-nosnippet>266</a>///
<a href=#267 id=267 data-nosnippet>267</a>/// # Returns
<a href=#268 id=268 data-nosnippet>268</a>/// - `Ok(NamedTempFile)` if the temporary file was created successfully.
<a href=#269 id=269 data-nosnippet>269</a>/// - `Err(std::io::Error)` if creation failed.
<a href=#270 id=270 data-nosnippet>270</a>///
<a href=#271 id=271 data-nosnippet>271</a>/// # Errors
<a href=#272 id=272 data-nosnippet>272</a>/// Returns an `std::io::Error` if the temporary file cannot be created.
<a href=#273 id=273 data-nosnippet>273</a>///
<a href=#274 id=274 data-nosnippet>274</a>/// # Examples
<a href=#275 id=275 data-nosnippet>275</a>/// ```rust,no_run
<a href=#276 id=276 data-nosnippet>276</a>/// use trash_analyzer::sys::path::create_temp_file;
<a href=#277 id=277 data-nosnippet>277</a>/// use std::io::Write;
<a href=#278 id=278 data-nosnippet>278</a>///
<a href=#279 id=279 data-nosnippet>279</a>/// let mut temp_file = create_temp_file().unwrap();
<a href=#280 id=280 data-nosnippet>280</a>/// temp_file.write_all(b"Hello, temp!").unwrap();
<a href=#281 id=281 data-nosnippet>281</a>/// // File is automatically deleted when temp_file goes out of scope
<a href=#282 id=282 data-nosnippet>282</a>/// ```
<a href=#283 id=283 data-nosnippet>283</a></span><span class="kw">pub fn </span>create_temp_file() -> <span class="prelude-ty">Result</span><NamedTempFile, std::io::Error> {
<a href=#284 id=284 data-nosnippet>284</a> NamedTempFile::new()
<a href=#285 id=285 data-nosnippet>285</a>}
<a href=#286 id=286 data-nosnippet>286</a>
<a href=#287 id=287 data-nosnippet>287</a><span class="doccomment">/// Gets metadata for multiple files in parallel using our parallel module.
<a href=#288 id=288 data-nosnippet>288</a>///
<a href=#289 id=289 data-nosnippet>289</a>/// # Parameters
<a href=#290 id=290 data-nosnippet>290</a>/// - `paths`: A slice of file paths to get metadata for.
<a href=#291 id=291 data-nosnippet>291</a>///
<a href=#292 id=292 data-nosnippet>292</a>/// # Returns
<a href=#293 id=293 data-nosnippet>293</a>/// A `HashMap` where keys are file paths and values are `Result<Metadata, std::io::Error>`.
<a href=#294 id=294 data-nosnippet>294</a>/// This allows checking which files succeeded/failed individually.
<a href=#295 id=295 data-nosnippet>295</a>///
<a href=#296 id=296 data-nosnippet>296</a>/// # Examples
<a href=#297 id=297 data-nosnippet>297</a>/// ```rust,no_run
<a href=#298 id=298 data-nosnippet>298</a>/// use trash_analyzer::sys::path::get_files_metadata_parallel;
<a href=#299 id=299 data-nosnippet>299</a>///
<a href=#300 id=300 data-nosnippet>300</a>/// let paths = vec!["file1.txt", "file2.txt", "file3.txt"];
<a href=#301 id=301 data-nosnippet>301</a>/// let results = get_files_metadata_parallel(&paths);
<a href=#302 id=302 data-nosnippet>302</a>/// for (path, result) in results {
<a href=#303 id=303 data-nosnippet>303</a>/// match result {
<a href=#304 id=304 data-nosnippet>304</a>/// Ok(metadata) => println!("{}: {} bytes", path, metadata.len()),
<a href=#305 id=305 data-nosnippet>305</a>/// Err(e) => println!("{}: error {}", path, e),
<a href=#306 id=306 data-nosnippet>306</a>/// }
<a href=#307 id=307 data-nosnippet>307</a>/// }
<a href=#308 id=308 data-nosnippet>308</a>/// ```
<a href=#309 id=309 data-nosnippet>309</a></span><span class="attr">#[must_use]
<a href=#310 id=310 data-nosnippet>310</a></span><span class="kw">pub fn </span>get_files_metadata_parallel(
<a href=#311 id=311 data-nosnippet>311</a> paths: <span class="kw-2">&</span>[<span class="kw-2">&</span>str],
<a href=#312 id=312 data-nosnippet>312</a>) -> HashMap<String, <span class="prelude-ty">Result</span><std::fs::Metadata, std::io::Error>> {
<a href=#313 id=313 data-nosnippet>313</a> parallel::parallel_map(paths.to_vec(), |path| {
<a href=#314 id=314 data-nosnippet>314</a> <span class="kw">let </span>result = get_file_metadata(path);
<a href=#315 id=315 data-nosnippet>315</a> (path.to_string(), result)
<a href=#316 id=316 data-nosnippet>316</a> })
<a href=#317 id=317 data-nosnippet>317</a> .into_iter()
<a href=#318 id=318 data-nosnippet>318</a> .collect()
<a href=#319 id=319 data-nosnippet>319</a>}
<a href=#320 id=320 data-nosnippet>320</a>
<a href=#321 id=321 data-nosnippet>321</a><span class="doccomment">/// Serializes file metadata to JSON using our serde module.
<a href=#322 id=322 data-nosnippet>322</a>///
<a href=#323 id=323 data-nosnippet>323</a>/// # Parameters
<a href=#324 id=324 data-nosnippet>324</a>/// - `metadata`: The file metadata to serialize.
<a href=#325 id=325 data-nosnippet>325</a>///
<a href=#326 id=326 data-nosnippet>326</a>/// # Returns
<a href=#327 id=327 data-nosnippet>327</a>/// - `Ok(String)` containing the JSON representation.
<a href=#328 id=328 data-nosnippet>328</a>/// - `Err` if serialization fails.
<a href=#329 id=329 data-nosnippet>329</a>///
<a href=#330 id=330 data-nosnippet>330</a>/// # Errors
<a href=#331 id=331 data-nosnippet>331</a>/// Returns a boxed error if JSON serialization fails.
<a href=#332 id=332 data-nosnippet>332</a>///
<a href=#333 id=333 data-nosnippet>333</a>/// # Examples
<a href=#334 id=334 data-nosnippet>334</a>/// ```rust,no_run
<a href=#335 id=335 data-nosnippet>335</a>/// use trash_analyzer::sys::path::{get_file_metadata, serialize_file_info};
<a href=#336 id=336 data-nosnippet>336</a>///
<a href=#337 id=337 data-nosnippet>337</a>/// let metadata = get_file_metadata("file.txt").unwrap();
<a href=#338 id=338 data-nosnippet>338</a>/// let json = serialize_file_info(&metadata).unwrap();
<a href=#339 id=339 data-nosnippet>339</a>/// println!("File info: {}", json);
<a href=#340 id=340 data-nosnippet>340</a>/// ```
<a href=#341 id=341 data-nosnippet>341</a></span><span class="kw">pub fn </span>serialize_file_info(
<a href=#342 id=342 data-nosnippet>342</a> metadata: <span class="kw-2">&</span>std::fs::Metadata,
<a href=#343 id=343 data-nosnippet>343</a>) -> <span class="prelude-ty">Result</span><String, Box<<span class="kw">dyn </span>std::error::Error>> {
<a href=#344 id=344 data-nosnippet>344</a> <span class="comment">// Create a simple struct for serialization
<a href=#345 id=345 data-nosnippet>345</a> </span><span class="attr">#[derive(Serialize)]
<a href=#346 id=346 data-nosnippet>346</a> </span><span class="kw">struct </span>FileInfo {
<a href=#347 id=347 data-nosnippet>347</a> size: u64,
<a href=#348 id=348 data-nosnippet>348</a> is_file: bool,
<a href=#349 id=349 data-nosnippet>349</a> is_dir: bool,
<a href=#350 id=350 data-nosnippet>350</a> modified: <span class="prelude-ty">Option</span><String>,
<a href=#351 id=351 data-nosnippet>351</a> }
<a href=#352 id=352 data-nosnippet>352</a>
<a href=#353 id=353 data-nosnippet>353</a> <span class="kw">let </span>modified = metadata
<a href=#354 id=354 data-nosnippet>354</a> .modified()
<a href=#355 id=355 data-nosnippet>355</a> .ok()
<a href=#356 id=356 data-nosnippet>356</a> .and_then(|t| t.duration_since(std::time::UNIX_EPOCH).ok())
<a href=#357 id=357 data-nosnippet>357</a> .map(|d| d.as_secs().to_string());
<a href=#358 id=358 data-nosnippet>358</a>
<a href=#359 id=359 data-nosnippet>359</a> <span class="kw">let </span>info = FileInfo {
<a href=#360 id=360 data-nosnippet>360</a> size: metadata.len(),
<a href=#361 id=361 data-nosnippet>361</a> is_file: metadata.is_file(),
<a href=#362 id=362 data-nosnippet>362</a> is_dir: metadata.is_dir(),
<a href=#363 id=363 data-nosnippet>363</a> modified,
<a href=#364 id=364 data-nosnippet>364</a> };
<a href=#365 id=365 data-nosnippet>365</a>
<a href=#366 id=366 data-nosnippet>366</a> serde::serialize_to_json(<span class="kw-2">&</span>info).map_err(|e| Box::new(e) <span class="kw">as </span>Box<<span class="kw">dyn </span>std::error::Error>)
<a href=#367 id=367 data-nosnippet>367</a>}
<a href=#368 id=368 data-nosnippet>368</a>
<a href=#369 id=369 data-nosnippet>369</a><span class="doccomment">/// Deserializes JSON to file info (for completeness, though metadata can't be fully reconstructed).
<a href=#370 id=370 data-nosnippet>370</a>///
<a href=#371 id=371 data-nosnippet>371</a>/// # Parameters
<a href=#372 id=372 data-nosnippet>372</a>/// - `json`: The JSON string to deserialize.
<a href=#373 id=373 data-nosnippet>373</a>///
<a href=#374 id=374 data-nosnippet>374</a>/// # Returns
<a href=#375 id=375 data-nosnippet>375</a>/// - `Ok` with a simple struct containing file info.
<a href=#376 id=376 data-nosnippet>376</a>/// - `Err` if deserialization fails.
<a href=#377 id=377 data-nosnippet>377</a>///
<a href=#378 id=378 data-nosnippet>378</a>/// # Errors
<a href=#379 id=379 data-nosnippet>379</a>/// Returns a boxed error if JSON deserialization fails.
<a href=#380 id=380 data-nosnippet>380</a>///
<a href=#381 id=381 data-nosnippet>381</a>/// # Examples
<a href=#382 id=382 data-nosnippet>382</a>/// ```rust
<a href=#383 id=383 data-nosnippet>383</a>/// use trash_analyzer::sys::path::deserialize_file_info;
<a href=#384 id=384 data-nosnippet>384</a>///
<a href=#385 id=385 data-nosnippet>385</a>/// let json = r#"{"size":1024,"is_file":true,"is_dir":false,"modified":"1234567890"}"#;
<a href=#386 id=386 data-nosnippet>386</a>/// let info = deserialize_file_info(json).unwrap();
<a href=#387 id=387 data-nosnippet>387</a>/// ```
<a href=#388 id=388 data-nosnippet>388</a></span><span class="kw">pub fn </span>deserialize_file_info(json: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Value, Box<<span class="kw">dyn </span>std::error::Error>> {
<a href=#389 id=389 data-nosnippet>389</a> serde::deserialize_from_json(json).map_err(|e| Box::new(e) <span class="kw">as </span>Box<<span class="kw">dyn </span>std::error::Error>)
<a href=#390 id=390 data-nosnippet>390</a>}
<a href=#391 id=391 data-nosnippet>391</a>
<a href=#392 id=392 data-nosnippet>392</a><span class="doccomment">/// Gets file metadata synchronously (placeholder for future async version).
<a href=#393 id=393 data-nosnippet>393</a>///
<a href=#394 id=394 data-nosnippet>394</a>/// # Parameters
<a href=#395 id=395 data-nosnippet>395</a>/// - `path`: The file path.
<a href=#396 id=396 data-nosnippet>396</a>///
<a href=#397 id=397 data-nosnippet>397</a>/// # Returns
<a href=#398 id=398 data-nosnippet>398</a>/// - `Ok(std::fs::Metadata)` containing file metadata.
<a href=#399 id=399 data-nosnippet>399</a>/// - `Err(std::io::Error)` if metadata cannot be read.
<a href=#400 id=400 data-nosnippet>400</a>///
<a href=#401 id=401 data-nosnippet>401</a>/// # Errors
<a href=#402 id=402 data-nosnippet>402</a>/// Returns an `std::io::Error` if the file does not exist, permission is denied, or other I/O error occurs.
<a href=#403 id=403 data-nosnippet>403</a>///
<a href=#404 id=404 data-nosnippet>404</a>/// # Examples
<a href=#405 id=405 data-nosnippet>405</a>/// ```rust,no_run
<a href=#406 id=406 data-nosnippet>406</a>/// use trash_analyzer::sys::path::get_file_metadata_sync;
<a href=#407 id=407 data-nosnippet>407</a>///
<a href=#408 id=408 data-nosnippet>408</a>/// let metadata = get_file_metadata_sync("file.txt").unwrap();
<a href=#409 id=409 data-nosnippet>409</a>/// println!("Size: {}", metadata.len());
<a href=#410 id=410 data-nosnippet>410</a>/// ```
<a href=#411 id=411 data-nosnippet>411</a></span><span class="kw">pub fn </span>get_file_metadata_sync(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><std::fs::Metadata, std::io::Error> {
<a href=#412 id=412 data-nosnippet>412</a> <span class="comment">// For now, just wrap the sync version since we don't have async fs in dependencies
<a href=#413 id=413 data-nosnippet>413</a> // In a real implementation, you'd use async-std or tokio
<a href=#414 id=414 data-nosnippet>414</a> </span>get_file_metadata(path)
<a href=#415 id=415 data-nosnippet>415</a>}
<a href=#416 id=416 data-nosnippet>416</a>
<a href=#417 id=417 data-nosnippet>417</a><span class="doccomment">/// Lists directory contents synchronously.
<a href=#418 id=418 data-nosnippet>418</a>///
<a href=#419 id=419 data-nosnippet>419</a>/// # Parameters
<a href=#420 id=420 data-nosnippet>420</a>/// - `path`: The directory path.
<a href=#421 id=421 data-nosnippet>421</a>///
<a href=#422 id=422 data-nosnippet>422</a>/// # Returns
<a href=#423 id=423 data-nosnippet>423</a>/// - `Ok(Vec<String>)` containing entry names.
<a href=#424 id=424 data-nosnippet>424</a>/// - `Err(std::io::Error)` if directory cannot be read.
<a href=#425 id=425 data-nosnippet>425</a>///
<a href=#426 id=426 data-nosnippet>426</a>/// # Errors
<a href=#427 id=427 data-nosnippet>427</a>/// Returns an `std::io::Error` if the directory does not exist, permission is denied, or other I/O error occurs.
<a href=#428 id=428 data-nosnippet>428</a>///
<a href=#429 id=429 data-nosnippet>429</a>/// # Examples
<a href=#430 id=430 data-nosnippet>430</a>/// ```rust,no_run
<a href=#431 id=431 data-nosnippet>431</a>/// use trash_analyzer::sys::path::list_directory;
<a href=#432 id=432 data-nosnippet>432</a>///
<a href=#433 id=433 data-nosnippet>433</a>/// let entries = list_directory(".").unwrap();
<a href=#434 id=434 data-nosnippet>434</a>/// for entry in entries {
<a href=#435 id=435 data-nosnippet>435</a>/// println!("{}", entry);
<a href=#436 id=436 data-nosnippet>436</a>/// }
<a href=#437 id=437 data-nosnippet>437</a>/// ```
<a href=#438 id=438 data-nosnippet>438</a></span><span class="kw">pub fn </span>list_directory(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Vec<String>, std::io::Error> {
<a href=#439 id=439 data-nosnippet>439</a> <span class="kw">let </span><span class="kw-2">mut </span>entries = Vec::new();
<a href=#440 id=440 data-nosnippet>440</a> <span class="kw">for </span>entry <span class="kw">in </span>std::fs::read_dir(path)<span class="question-mark">? </span>{
<a href=#441 id=441 data-nosnippet>441</a> <span class="kw">let </span>entry = entry<span class="question-mark">?</span>;
<a href=#442 id=442 data-nosnippet>442</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = entry.file_name().to_str() {
<a href=#443 id=443 data-nosnippet>443</a> entries.push(name.to_string());
<a href=#444 id=444 data-nosnippet>444</a> }
<a href=#445 id=445 data-nosnippet>445</a> }
<a href=#446 id=446 data-nosnippet>446</a> <span class="prelude-val">Ok</span>(entries)
<a href=#447 id=447 data-nosnippet>447</a>}
<a href=#448 id=448 data-nosnippet>448</a>
<a href=#449 id=449 data-nosnippet>449</a><span class="doccomment">/// Recursively walks a directory and returns all file paths.
<a href=#450 id=450 data-nosnippet>450</a>///
<a href=#451 id=451 data-nosnippet>451</a>/// # Parameters
<a href=#452 id=452 data-nosnippet>452</a>/// - `root`: The root directory to start walking from.
<a href=#453 id=453 data-nosnippet>453</a>///
<a href=#454 id=454 data-nosnippet>454</a>/// # Returns
<a href=#455 id=455 data-nosnippet>455</a>/// - `Ok(Vec<String>)` containing all file paths found.
<a href=#456 id=456 data-nosnippet>456</a>/// - `Err(std::io::Error)` if directory traversal fails.
<a href=#457 id=457 data-nosnippet>457</a>///
<a href=#458 id=458 data-nosnippet>458</a>/// # Errors
<a href=#459 id=459 data-nosnippet>459</a>/// Returns an `std::io::Error` if the root directory does not exist, permission is denied, or other I/O error occurs during traversal.
<a href=#460 id=460 data-nosnippet>460</a>///
<a href=#461 id=461 data-nosnippet>461</a>/// # Examples
<a href=#462 id=462 data-nosnippet>462</a>/// ```rust,no_run
<a href=#463 id=463 data-nosnippet>463</a>/// use trash_analyzer::sys::path::walk_directory;
<a href=#464 id=464 data-nosnippet>464</a>///
<a href=#465 id=465 data-nosnippet>465</a>/// let files = walk_directory("src").unwrap();
<a href=#466 id=466 data-nosnippet>466</a>/// for file in files {
<a href=#467 id=467 data-nosnippet>467</a>/// println!("{}", file);
<a href=#468 id=468 data-nosnippet>468</a>/// }
<a href=#469 id=469 data-nosnippet>469</a>/// ```
<a href=#470 id=470 data-nosnippet>470</a></span><span class="kw">pub fn </span>walk_directory(root: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Vec<String>, std::io::Error> {
<a href=#471 id=471 data-nosnippet>471</a> <span class="kw">fn </span>walk(dir: <span class="kw-2">&</span>Path, files: <span class="kw-2">&mut </span>Vec<String>) -> <span class="prelude-ty">Result</span><(), std::io::Error> {
<a href=#472 id=472 data-nosnippet>472</a> <span class="kw">for </span>entry <span class="kw">in </span>std::fs::read_dir(dir)<span class="question-mark">? </span>{
<a href=#473 id=473 data-nosnippet>473</a> <span class="kw">let </span>entry = entry<span class="question-mark">?</span>;
<a href=#474 id=474 data-nosnippet>474</a> <span class="kw">let </span>path = entry.path();
<a href=#475 id=475 data-nosnippet>475</a> <span class="kw">if </span>path.is_dir() {
<a href=#476 id=476 data-nosnippet>476</a> walk(<span class="kw-2">&</span>path, files)<span class="question-mark">?</span>;
<a href=#477 id=477 data-nosnippet>477</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(path_str) = path.to_str() {
<a href=#478 id=478 data-nosnippet>478</a> files.push(path_str.to_string());
<a href=#479 id=479 data-nosnippet>479</a> }
<a href=#480 id=480 data-nosnippet>480</a> }
<a href=#481 id=481 data-nosnippet>481</a> <span class="prelude-val">Ok</span>(())
<a href=#482 id=482 data-nosnippet>482</a> }
<a href=#483 id=483 data-nosnippet>483</a> <span class="kw">let </span><span class="kw-2">mut </span>files = Vec::new();
<a href=#484 id=484 data-nosnippet>484</a> walk(Path::new(root), <span class="kw-2">&mut </span>files)<span class="question-mark">?</span>;
<a href=#485 id=485 data-nosnippet>485</a> <span class="prelude-val">Ok</span>(files)
<a href=#486 id=486 data-nosnippet>486</a>}
<a href=#487 id=487 data-nosnippet>487</a>
<a href=#488 id=488 data-nosnippet>488</a><span class="doccomment">/// Finds files matching a pattern in parallel using our parallel module.
<a href=#489 id=489 data-nosnippet>489</a>///
<a href=#490 id=490 data-nosnippet>490</a>/// This is a basic implementation that searches for files by extension.
<a href=#491 id=491 data-nosnippet>491</a>/// For more complex patterns, consider using the `glob` crate.
<a href=#492 id=492 data-nosnippet>492</a>///
<a href=#493 id=493 data-nosnippet>493</a>/// # Parameters
<a href=#494 id=494 data-nosnippet>494</a>/// - `root`: The root directory to search from.
<a href=#495 id=495 data-nosnippet>495</a>/// - `extension`: The file extension to match (without the dot).
<a href=#496 id=496 data-nosnippet>496</a>///
<a href=#497 id=497 data-nosnippet>497</a>/// # Returns
<a href=#498 id=498 data-nosnippet>498</a>/// - `Ok(Vec<String>)` containing matching file paths.
<a href=#499 id=499 data-nosnippet>499</a>/// - `Err(std::io::Error)` if directory traversal fails.
<a href=#500 id=500 data-nosnippet>500</a>///
<a href=#501 id=501 data-nosnippet>501</a>/// # Errors
<a href=#502 id=502 data-nosnippet>502</a>/// Returns an `std::io::Error` if the root directory does not exist, permission is denied, or other I/O error occurs during traversal.
<a href=#503 id=503 data-nosnippet>503</a>///
<a href=#504 id=504 data-nosnippet>504</a>/// # Examples
<a href=#505 id=505 data-nosnippet>505</a>/// ```rust,no_run
<a href=#506 id=506 data-nosnippet>506</a>/// use trash_analyzer::sys::path::find_files_parallel;
<a href=#507 id=507 data-nosnippet>507</a>///
<a href=#508 id=508 data-nosnippet>508</a>/// let rs_files = find_files_parallel("src", "rs").unwrap();
<a href=#509 id=509 data-nosnippet>509</a>/// for file in rs_files {
<a href=#510 id=510 data-nosnippet>510</a>/// println!("{}", file);
<a href=#511 id=511 data-nosnippet>511</a>/// }
<a href=#512 id=512 data-nosnippet>512</a>/// ```
<a href=#513 id=513 data-nosnippet>513</a></span><span class="kw">pub fn </span>find_files_parallel(root: <span class="kw-2">&</span>str, extension: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Vec<String>, std::io::Error> {
<a href=#514 id=514 data-nosnippet>514</a> <span class="kw">let </span>all_files = walk_directory(root)<span class="question-mark">?</span>;
<a href=#515 id=515 data-nosnippet>515</a> <span class="kw">let </span>matching: Vec<String> = parallel::parallel_filter(all_files, |path| {
<a href=#516 id=516 data-nosnippet>516</a> get_file_extension(path) == <span class="prelude-val">Some</span>(extension.to_string())
<a href=#517 id=517 data-nosnippet>517</a> });
<a href=#518 id=518 data-nosnippet>518</a> <span class="prelude-val">Ok</span>(matching)
<a href=#519 id=519 data-nosnippet>519</a>}</code></pre></div></section></main></body></html>